Remove broken impress backend

21 files changed, 0 insertions, 5311 deletions

diff --git a/backend/impress/Makefile.am b/backend/impress/Makefile.am
deleted file mode 100644
index 17dafce0..00000000
--- a/backend/impress/Makefile.am
+++ /dev/null
@@ -1,57 +0,0 @@
-AM_CPPFLAGS =					\
-	-I$(top_srcdir)				\
-	-I$(top_srcdir)/libdocument		\
-	-DMATELOCALEDIR=\"$(datadir)/locale\"	\
-	-DATRILDATADIR=\""$(datadir)"\"	\
-	-DATRIL_COMPILATION			\
-	$(BACKEND_CFLAGS)			\
-	$(WARN_CFLAGS)				\
-	$(DISABLE_DEPRECATED)
-
-backend_LTLIBRARIES = libimpressdocument.la
-
-libimpressdocument_la_SOURCES =	\
-	$(IMPOSTER_SOURCE_FILES)	\
-	$(IMPOSTER_INCLUDE_FILES)	\
-	impress-document.c		\
-	impress-document.h
-
-IMPOSTER_SOURCE_FILES =			\
-	document.c			\
-	f_oasis.c			\
-	f_oo13.c			\
-	iksemel.c			\
-	r_back.c			\
-	r_draw.c			\
-	render.c			\
-	r_geometry.c			\
-	r_gradient.c			\
-	r_style.c			\
-	r_text.c			\
-	zip.c
-IMPOSTER_INCLUDE_FILES =		\
-	common.h			\
-	iksemel.h			\
-	imposter.h			\
-	internal.h			\
-	zip.h
-IMPOSTER_RENDER_SOURCE_FILES =		\
-	render.c
-IMPOSTER_RENDER_INCLUDE_FILES =		\
-	render.h
-
-libimpressdocument_la_LDFLAGS = $(BACKEND_LIBTOOL_FLAGS)
-libimpressdocument_la_LIBADD =				\
-	$(top_builddir)/libdocument/libatrildocument.la     \
-	$(BACKEND_LIBS) -lz
-
-backend_in_files = impressdocument.atril-backend.in
-backend_DATA = $(backend_in_files:.atril-backend.in=.atril-backend)
-
-EXTRA_DIST = $(backend_in_files)
-
-CLEANFILES = $(backend_DATA)
-
-@EV_INTLTOOL_ATRIL_BACKEND_RULE@
-
--include $(top_srcdir)/git.mk
diff --git a/backend/impress/common.h b/backend/impress/common.h
deleted file mode 100644
index 73e4ac19..00000000
--- a/backend/impress/common.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/* imposter (OO.org Impress viewer)
-** Copyright (C) 2003-2005 Gurer Ozen
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU General Public License.
-*/
-
-#ifndef COMMON_H
-#define COMMON_H 1
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <sys/types.h>
-#include <stdio.h>
-
-#ifdef STDC_HEADERS
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
-#elif HAVE_STRINGS_H
-#include <strings.h>
-#endif
-
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#ifdef HAVE_ERRNO_H
-#include <errno.h>
-#endif
-#ifndef errno
-extern int errno;
-#endif
-
-#include <iksemel.h>
-#include "imposter.h"
-
-
-#endif	/* COMMON_H */
diff --git a/backend/impress/document.c b/backend/impress/document.c
deleted file mode 100644
index b01c0e18..00000000
--- a/backend/impress/document.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/* imposter (OO.org Impress viewer)
-** Copyright (C) 2003-2005 Gurer Ozen
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU General Public License.
-*/
-
-#include <config.h>
-#include "common.h"
-#include "internal.h"
-
-static iks *
-_imp_load_xml(ImpDoc *doc, const char *xmlfile)
-{
-	int e;
-	iks *x;
-
-	x = zip_load_xml (doc->zfile, xmlfile, &e);
-	return x;
-}
-
-ImpDoc *
-imp_open(const char *filename, int *err)
-{
-	ImpDoc *doc;
-	int e;
-
-	doc = calloc(1, sizeof(ImpDoc));
-	if (!doc) {
-		*err = IMP_NOMEM;
-		return NULL;
-	}
-
-	doc->stack = iks_stack_new(sizeof(ImpPage) * 32, 0);
-	if (!doc->stack) {
-		*err = IMP_NOMEM;
-		imp_close(doc);
-		return NULL;
-	}
-
-	doc->zfile = zip_open(filename, &e);
-	if (e) {
-		*err = IMP_NOTZIP;
-		imp_close(doc);
-		return NULL;
-	}
-
-	doc->content = _imp_load_xml(doc, "content.xml");
-	doc->styles = _imp_load_xml(doc, "styles.xml");
-	doc->meta = _imp_load_xml(doc, "meta.xml");
-
-	if (!doc->content || !doc->styles) {
-		*err = IMP_BADDOC;
-		imp_close(doc);
-		return NULL;
-	}
-
-	e = _imp_oo13_load(doc);
-	if (e && e != IMP_NOTIMP) {
-		*err = e;
-		imp_close(doc);
-		return NULL;
-	}
-
-	if (e == IMP_NOTIMP) {
-		e = _imp_oasis_load(doc);
-		if (e) {
-			*err = e;
-			imp_close(doc);
-			return NULL;
-		}
-	}
-
-	return doc;
-}
-
-int
-imp_nr_pages(ImpDoc *doc)
-{
-	return doc->nr_pages;
-}
-
-ImpPage *
-imp_get_page(ImpDoc *doc, int page_no)
-{
-	if (page_no == IMP_LAST_PAGE) {
-		return doc->last_page;
-	} else {
-		ImpPage *page;
-		if (page_no < 0 || page_no > doc->nr_pages) return NULL;
-		for (page = doc->pages; page_no; --page_no) {
-			page = page->next;
-		}
-		return page;
-	}
-}
-
-ImpPage *
-imp_next_page(ImpPage *page)
-{
-	return page->next;
-}
-
-ImpPage *
-imp_prev_page(ImpPage *page)
-{
-	return page->prev;
-}
-
-int
-imp_get_page_no(ImpPage *page)
-{
-	return page->nr;
-}
-
-const char *
-imp_get_page_name(ImpPage *page)
-{
-	return page->name;
-}
-
-void *
-imp_get_xml(ImpDoc *doc, const char *filename)
-{
-	if (strcmp(filename, "content.xml") == 0)
-		return doc->content;
-	else if (strcmp(filename, "styles.xml") == 0)
-		return doc->styles;
-	else if (strcmp(filename, "meta.xml") == 0)
-		return doc->meta;
-	else
-		return NULL;
-}
-
-void
-imp_close(ImpDoc *doc)
-{
-	if (doc->stack) iks_stack_delete(doc->stack);
-	if (doc->zfile) zip_close(doc->zfile);
-	free(doc);
-}
diff --git a/backend/impress/f_oasis.c b/backend/impress/f_oasis.c
deleted file mode 100644
index 8fe6ee1a..00000000
--- a/backend/impress/f_oasis.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/* imposter (OO.org Impress viewer)
-** Copyright (C) 2003-2005 Gurer Ozen
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU General Public License.
-*/
-
-#include <config.h>
-#include "common.h"
-#include "internal.h"
-
-static void
-render_object(ImpRenderCtx *ctx, void *drw_data, iks *node)
-{
-	char *tag, *t;
-	ImpColor fg;
-
-	tag = iks_name(node);
-	if (strcmp(tag, "draw:g") == 0) {
-		iks *x;
-		for (x = iks_first_tag(node); x; x = iks_next_tag(x)) {
-			render_object(ctx, drw_data, x);
-		}
-	} else if (strcmp(tag, "draw:frame") == 0) {
-		iks *x;
-		for (x = iks_first_tag(node); x; x = iks_next_tag(x)) {
-			render_object(ctx, drw_data, x);
-		}
-	} else if (strcmp(tag, "draw:line") == 0) {
-		r_get_color(ctx, node, "svg:stroke-color", &fg);
-		ctx->drw->set_fg_color(drw_data, &fg);
-		ctx->drw->draw_line(drw_data,
-			r_get_x(ctx, node, "svg:x1"), r_get_y(ctx, node, "svg:y1"),
-			r_get_x(ctx, node, "svg:x2"), r_get_y(ctx, node, "svg:y2")
-		);
-	} else if (strcmp(tag, "draw:rect") == 0) {
-		int x, y, w, h, r = 0;
-		char *t;
-		x = r_get_x(ctx, node, "svg:x");
-		y = r_get_y(ctx, node, "svg:y");
-		w = r_get_x(ctx, node, "svg:width");
-		h = r_get_y(ctx, node, "svg:height");
-		t = r_get_style(ctx, node, "draw:corner-radius");
-		if (t) r = atof(t) * ctx->fact_x;
-		if (r_get_style(ctx, node, "draw:fill")) {
-			r_get_color(ctx, node, "draw:fill-color", &fg);
-			ctx->drw->set_fg_color(drw_data, &fg);
-			_imp_draw_rect(ctx, drw_data, 1, x, y, w, h, r);
-		}
-		r_get_color(ctx, node, "svg:stroke-color", &fg);
-		ctx->drw->set_fg_color(drw_data, &fg);
-		_imp_draw_rect(ctx, drw_data, 0, x, y, w, h, r);
-		r_text(ctx, drw_data, node);
-	} else if (strcmp(tag, "draw:ellipse") == 0 || strcmp(tag, "draw:circle") == 0) {
-		int sa, ea, fill = 0;
-		r_get_color(ctx, node, "svg:stroke-color", &fg);
-		sa = r_get_angle(node, "draw:start-angle", 0);
-		ea = r_get_angle(node, "draw:end-angle", 360);
-		if (ea > sa) ea = ea - sa; else ea = 360 + ea - sa;
-		t = r_get_style(ctx, node, "draw:fill");
-		if (t) fill = 1;
-		ctx->drw->set_fg_color(drw_data, &fg);
-		ctx->drw->draw_arc(drw_data,
-			fill,
-			r_get_x(ctx, node, "svg:x"), r_get_y(ctx, node, "svg:y"),
-			r_get_x(ctx, node, "svg:width"), r_get_y(ctx, node, "svg:height"),
-			sa, ea
-		);
-	} else if (strcmp(tag, "draw:polygon") == 0) {
-		// FIXME:
-		r_polygon(ctx, drw_data, node);
-	} else if (strcmp(tag, "draw:text-box") == 0) {
-		// FIXME:
-		r_text(ctx, drw_data, node);
-	} else if (strcmp(tag, "draw:image") == 0) {
-		char *name;
-
-		name = iks_find_attrib(node, "xlink:href");
-		if (!name) return;
-		if (name[0] == '#') ++name;
-
-		_imp_draw_image(ctx, drw_data,
-			name,
-			r_get_x(ctx, node, "svg:x"),
-			r_get_y(ctx, node, "svg:y"),
-			r_get_x(ctx, node, "svg:width"),
-			r_get_y(ctx, node, "svg:height")
-		);
-	} else {
-		printf("Unknown element: %s\n", tag);
-	}
-}
-
-static void
-render_page(ImpRenderCtx *ctx, void *drw_data)
-{
-	iks *x;
-	char *element;
-	int i;
-
-	i = _imp_fill_back(ctx, drw_data, ctx->page->page);
-	element = iks_find_attrib(ctx->page->page, "draw:master-page-name");
-	if (element) {
-		x = iks_find_with_attrib(
-			iks_find(ctx->page->doc->styles, "office:master-styles"),
-			"style:master-page", "style:name", element
-		);
-		if (x) {
-			if (i == 0) _imp_fill_back(ctx, drw_data, x);
-			for (x = iks_first_tag(x); x; x = iks_next_tag(x)) {
-				if (iks_find_attrib(x, "presentation:class"))
-					continue;
-				render_object(ctx, drw_data, x);
-			}
-		}
-	}
-	for (x = iks_first_tag(ctx->page->page); x; x = iks_next_tag(x)) {
-		render_object(ctx, drw_data, x);
-	}
-}
-
-static void
-get_geometry(ImpRenderCtx *ctx)
-{
-	char *tmp;
-	iks *x, *y;
-
-	tmp = iks_find_attrib(ctx->page->page, "draw:master-page-name");
-	x = iks_find(ctx->page->doc->styles, "office:master-styles");
-	y = iks_find_with_attrib(x, "style:master-page", "style:name", tmp);
-	x = iks_find(ctx->page->doc->styles, "office:automatic-styles");
-	y = iks_find_with_attrib(x, "style:page-layout", "style:name",
-		iks_find_attrib(y, "style:page-layout-name"));
-	ctx->cm_w = atof(iks_find_attrib(iks_find(y, "style:page-layout-properties"), "fo:page-width"));
-	ctx->cm_h = atof(iks_find_attrib(iks_find(y, "style:page-layout-properties"), "fo:page-height"));
-}
-
-int
-_imp_oasis_load(ImpDoc *doc)
-{
-	ImpPage *page;
-	iks *x, *pres;
-	int i;
-
-	pres = iks_find(iks_find(doc->content, "office:body"), "office:presentation");
-	if (!pres) return IMP_NOTIMP;
-
-	x = iks_find(pres, "draw:page");
-	if (!x) return IMP_NOTIMP;
-	i = 0;
-	for (; x; x = iks_next_tag(x)) {
-		if (strcmp(iks_name(x), "draw:page") == 0) {
-			page = iks_stack_alloc(doc->stack, sizeof(ImpPage));
-			if (!page) return IMP_NOMEM;
-			memset(page, 0, sizeof(ImpPage));
-			page->page = x;
-			page->nr = ++i;
-			page->name = iks_find_attrib(x, "draw:name");
-			page->doc = doc;
-			if (!doc->pages) doc->pages = page;
-			page->prev = doc->last_page;
-			if (doc->last_page) doc->last_page->next = page;
-			doc->last_page = page;
-		}
-	}
-	doc->nr_pages = i;
-	doc->get_geometry = get_geometry;
-	doc->render_page = render_page;
-
-	return 0;
-}
diff --git a/backend/impress/f_oo13.c b/backend/impress/f_oo13.c
deleted file mode 100644
index 7bfeeb53..00000000
--- a/backend/impress/f_oo13.c
+++ /dev/null
@@ -1,181 +0,0 @@
-/* imposter (OO.org Impress viewer)
-** Copyright (C) 2003-2005 Gurer Ozen
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU General Public License.
-*/
-
-#include <config.h>
-#include "common.h"
-#include "internal.h"
-
-//	{ "draw:text-box", r_text },
-//	{ "draw:connector", r_line },
-//	{ "draw:polyline", r_polyline },
-//	{ "draw:polygon", r_polygon },
-//	{ "draw:path", r_path },
-
-static void
-render_object(ImpRenderCtx *ctx, void *drw_data, iks *node)
-{
-	char *tag, *t;
-	ImpColor fg;
-
-	tag = iks_name(node);
-	if (strcmp(tag, "draw:g") == 0) {
-		iks *x;
-		for (x = iks_first_tag(node); x; x = iks_next_tag(x)) {
-			render_object(ctx, drw_data, x);
-		}
-	} else if (strcmp(tag, "draw:line") == 0) {
-		int x1, y1, x2, y2;
-		r_get_color(ctx, node, "svg:stroke-color", &fg);
-		ctx->drw->set_fg_color(drw_data, &fg);
-		x1 = r_get_x(ctx, node, "svg:x1");
-		y1 = r_get_y(ctx, node, "svg:y1");
-		x2 = r_get_x(ctx, node, "svg:x2");
-		y2 = r_get_y(ctx, node, "svg:y2");
-		ctx->drw->draw_line(drw_data, x1, y1, x2, y2);
-		if (r_get_style(ctx, node, "draw:marker-start")) {
-			_imp_draw_line_end(ctx, drw_data, 0, 0, x2, y2, x1, y1);
-		}
-		if (r_get_style(ctx, node, "draw:marker-end")) {
-			_imp_draw_line_end(ctx, drw_data, 0, 0, x1, y1, x2, y2);
-		}
-	} else if (strcmp(tag, "draw:rect") == 0) {
-		int x, y, w, h, r = 0;
-		char *t;
-		x = r_get_x(ctx, node, "svg:x");
-		y = r_get_y(ctx, node, "svg:y");
-		w = r_get_x(ctx, node, "svg:width");
-		h = r_get_y(ctx, node, "svg:height");
-		t = r_get_style(ctx, node, "draw:corner-radius");
-		if (t) r = atof(t) * ctx->fact_x;
-		t = r_get_style(ctx, node, "draw:fill");
-		if (t && strcmp(t, "none") != 0) {
-			r_get_color(ctx, node, "draw:fill-color", &fg);
-			ctx->drw->set_fg_color(drw_data, &fg);
-			_imp_draw_rect(ctx, drw_data, 1, x, y, w, h, r);
-		}
-		r_get_color(ctx, node, "svg:stroke-color", &fg);
-		ctx->drw->set_fg_color(drw_data, &fg);
-		_imp_draw_rect(ctx, drw_data, 0, x, y, w, h, r);
-		r_text(ctx, drw_data, node);
-	} else if (strcmp(tag, "draw:ellipse") == 0 || strcmp(tag, "draw:circle") == 0) {
-		int sa, ea, fill = 0;
-		r_get_color(ctx, node, "svg:stroke-color", &fg);
-		sa = r_get_angle(node, "draw:start-angle", 0);
-		ea = r_get_angle(node, "draw:end-angle", 360);
-		if (ea > sa) ea = ea - sa; else ea = 360 + ea - sa;
-		t = r_get_style(ctx, node, "draw:fill");
-		if (t) fill = 1;
-		ctx->drw->set_fg_color(drw_data, &fg);
-		ctx->drw->draw_arc(drw_data,
-			fill,
-			r_get_x(ctx, node, "svg:x"), r_get_y(ctx, node, "svg:y"),
-			r_get_x(ctx, node, "svg:width"), r_get_y(ctx, node, "svg:height"),
-			sa, ea
-		);
-	} else if (strcmp(tag, "draw:polygon") == 0) {
-		// FIXME:
-		r_polygon(ctx, drw_data, node);
-	} else if (strcmp(tag, "draw:text-box") == 0) {
-		// FIXME:
-		r_text(ctx, drw_data, node);
-	} else if (strcmp(tag, "draw:image") == 0) {
-		char *name;
-
-		name = iks_find_attrib(node, "xlink:href");
-		if (!name) return;
-		if (name[0] == '#') ++name;
-
-		_imp_draw_image(ctx, drw_data,
-			name,
-			r_get_x(ctx, node, "svg:x"),
-			r_get_y(ctx, node, "svg:y"),
-			r_get_x(ctx, node, "svg:width"),
-			r_get_y(ctx, node, "svg:height")
-		);
-	} else {
-		printf("Unknown element: %s\n", tag);
-	}
-}
-
-static void
-render_page(ImpRenderCtx *ctx, void *drw_data)
-{
-	iks *x;
-	char *element;
-	int i;
-
-	i = _imp_fill_back(ctx, drw_data, ctx->page->page);
-	element = iks_find_attrib(ctx->page->page, "draw:master-page-name");
-	if (element) {
-		x = iks_find_with_attrib(
-			iks_find(ctx->page->doc->styles, "office:master-styles"),
-			"style:master-page", "style:name", element
-		);
-		if (x) {
-			if (i == 0) _imp_fill_back(ctx, drw_data, x);
-			for (x = iks_first_tag(x); x; x = iks_next_tag(x)) {
-				if (iks_find_attrib(x, "presentation:class"))
-					continue;
-				render_object(ctx, drw_data, x);
-			}
-		}
-	}
-	for (x = iks_first_tag(ctx->page->page); x; x = iks_next_tag(x)) {
-		render_object(ctx, drw_data, x);
-	}
-}
-
-static void
-get_geometry(ImpRenderCtx *ctx)
-{
-	char *tmp;
-	iks *x, *y;
-
-	tmp = iks_find_attrib(ctx->page->page, "draw:master-page-name");
-	x = iks_find(ctx->page->doc->styles, "office:master-styles");
-	y = iks_find_with_attrib(x, "style:master-page", "style:name", tmp);
-	x = iks_find(ctx->page->doc->styles, "office:automatic-styles");
-	y = iks_find_with_attrib(x, "style:page-master", "style:name",
-		iks_find_attrib(y, "style:page-master-name"));
-	ctx->cm_w = atof(iks_find_attrib(iks_find(y, "style:properties"), "fo:page-width"));
-	ctx->cm_h = atof(iks_find_attrib(iks_find(y, "style:properties"), "fo:page-height"));
-}
-
-int
-_imp_oo13_load(ImpDoc *doc)
-{
-	ImpPage *page;
-	char *class;
-	iks *x;
-	int i;
-
-	class = iks_find_attrib(doc->content, "office:class");
-	if (iks_strcmp(class, "presentation") != 0) return IMP_NOTIMP;
-
-	x = iks_find(iks_find(doc->content, "office:body"), "draw:page");
-	if (!x) return IMP_NOTIMP;
-	i = 0;
-	for (; x; x = iks_next_tag(x)) {
-		if (strcmp(iks_name(x), "draw:page") == 0) {
-			page = iks_stack_alloc(doc->stack, sizeof(ImpPage));
-			if (!page) return IMP_NOMEM;
-			memset(page, 0, sizeof(ImpPage));
-			page->page = x;
-			page->nr = ++i;
-			page->name = iks_find_attrib(x, "draw:name");
-			page->doc = doc;
-			if (!doc->pages) doc->pages = page;
-			page->prev = doc->last_page;
-			if (doc->last_page) doc->last_page->next = page;
-			doc->last_page = page;
-		}
-	}
-	doc->nr_pages = i;
-	doc->get_geometry = get_geometry;
-	doc->render_page = render_page;
-
-	return 0;
-}
diff --git a/backend/impress/iksemel.c b/backend/impress/iksemel.c
deleted file mode 100644
index 9908e132..00000000
--- a/backend/impress/iksemel.c
+++ /dev/null
@@ -1,1882 +0,0 @@
-/* iksemel (XML parser for Jabber)
-** Copyright (C) 2000-2003 Gurer Ozen <[email protected]>
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU Lesser General Public License.
-*/
-
-/* minimum sax buffer size */
-#define SAX_BUFFER_MIN_SIZE 128
-
-/* sax parser structure plus extra data of dom parser */
-#define DEFAULT_DOM_CHUNK_SIZE 256
-
-/* sax parser structure plus extra data of stream parser */
-#define DEFAULT_STREAM_CHUNK_SIZE 256
-
-/* iks structure, its data, child iks structures, for stream parsing */
-#define DEFAULT_IKS_CHUNK_SIZE 1024
-
-/* iks structure, its data, child iks structures, for file parsing */
-#define DEFAULT_DOM_IKS_CHUNK_SIZE 2048
-
-/* rule structure and from/to/id/ns strings */
-#define DEFAULT_RULE_CHUNK_SIZE 128
-
-/* file is read by blocks with this size */
-#define FILE_IO_BUF_SIZE 4096
-
-/* network receive buffer */
-#define NET_IO_BUF_SIZE 4096
-/* iksemel (XML parser for Jabber)
-** Copyright (C) 2000-2003 Gurer Ozen <[email protected]>
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU Lesser General Public License.
-*/
-
-#include <config.h>
-#include <errno.h>
-
-#include "common.h"
-#include "iksemel.h"
-
-/*****  malloc wrapper  *****/
-
-static void *(*my_malloc_func)(size_t size);
-static void (*my_free_func)(void *ptr);
-
-void *
-iks_malloc (size_t size)
-{
-	if (my_malloc_func)
-		return my_malloc_func (size);
-	else
-		return malloc (size);
-}
-
-void
-iks_free (void *ptr)
-{
-	if (my_free_func)
-		my_free_func (ptr);
-	else
-		free (ptr);
-}
-
-void
-iks_set_mem_funcs (void *(*malloc_func)(size_t size), void (*free_func)(void *ptr))
-{
-	my_malloc_func = malloc_func;
-	my_free_func = free_func;
-}
-
-/*****  NULL-safe Functions  *****/
-
-char *
-iks_strdup (const char *src)
-{
-	if (src) return strdup(src);
-	return NULL;
-}
-
-char *
-iks_strcat (char *dest, const char *src)
-{
-	size_t len;
-
-	if (!src) return dest;
-
-	len = strlen (src);
-	memcpy (dest, src, len);
-	dest[len] = '\0';
-	return dest + len;
-}
-
-int
-iks_strcmp (const char *a, const char *b)
-{
-	if (!a || !b) return -1;
-	return strcmp (a, b);
-}
-
-int
-iks_strcasecmp (const char *a, const char *b)
-{
-	if (!a || !b) return -1;
-	return strcasecmp (a, b);
-}
-
-int
-iks_strncmp (const char *a, const char *b, size_t n)
-{
-	if (!a || !b) return -1;
-	return strncmp (a, b, n);
-}
-
-int
-iks_strncasecmp (const char *a, const char *b, size_t n)
-{
-	if (!a || !b) return -1;
-	return strncasecmp (a, b, n);
-}
-
-size_t
-iks_strlen (const char *src)
-{
-	if (!src) return 0;
-	return strlen (src);
-}
-
-/*****  XML Escaping  *****/
-
-char *
-iks_escape (ikstack *s, char *src, size_t len)
-{
-	char *ret;
-	int i, j, nlen;
-
-	if (!src || !s) return NULL;
-	if (len == -1) len = strlen (src);
-
-	nlen = len;
-	for (i=0; i<len; i++) {
-		switch (src[i]) {
-		case '&': nlen += 4; break;
-		case '<': nlen += 3; break;
-		case '>': nlen += 3; break;
-		case '\'': nlen += 5; break;
-		case '"': nlen += 5; break;
-		}
-	}
-	if (len == nlen) return src;
-
-	ret = iks_stack_alloc (s, nlen + 1);
-	if (!ret) return NULL;
-
-	for (i=j=0; i<len; i++) {
-		switch (src[i]) {
-		case '&': memcpy (&ret[j], "&amp;", 5); j += 5; break;
-		case '\'': memcpy (&ret[j], "&apos;", 6); j += 6; break;
-		case '"': memcpy (&ret[j], "&quot;", 6); j += 6; break;
-		case '<': memcpy (&ret[j], "&lt;", 4); j += 4; break;
-		case '>': memcpy (&ret[j], "&gt;", 4); j += 4; break;
-		default: ret[j++] = src[i];
-		}
-	}
-	ret[j] = '\0';
-
-	return ret;
-}
-
-char *
-iks_unescape (ikstack *s, char *src, size_t len)
-{
-	int i,j;
-	char *ret;
-
-	if (!s || !src) return NULL;
-	if (!strchr (src, '&')) return src;
-	if (len == -1) len = strlen (src);
-
-	ret = iks_stack_alloc (s, len + 1);
-	if (!ret) return NULL;
-
-	for (i=j=0; i<len; i++) {
-		if (src[i] == '&') {
-			i++;
-			if (strncmp (&src[i], "amp;", 4) == 0) {
-				ret[j] = '&';
-				i += 3;
-			} else if (strncmp (&src[i], "quot;", 5) == 0) {
-				ret[j] = '"';
-				i += 4;
-			} else if (strncmp (&src[i], "apos;", 5) == 0) {
-				ret[j] = '\'';
-				i += 4;
-			} else if (strncmp (&src[i], "lt;", 3) == 0) {
-				ret[j] = '<';
-				i += 2;
-			} else if (strncmp (&src[i], "gt;", 3) == 0) {
-				ret[j] = '>';
-				i += 2;
-			} else {
-				ret[j] = src[--i];
-			}
-		} else {
-			ret[j] = src[i];
-		}
-		j++;
-	}
-	ret[j] = '\0';
-
-	return ret;
-}
-/* iksemel (XML parser for Jabber)
-** Copyright (C) 2000-2004 Gurer Ozen <[email protected]>
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU Lesser General Public License.
-*/
-
-#include "common.h"
-#include "iksemel.h"
-
-struct align_test { char a; double b; };
-#define DEFAULT_ALIGNMENT  ((size_t) ((char *) &((struct align_test *) 0)->b - (char *) 0))
-#define ALIGN_MASK ( DEFAULT_ALIGNMENT - 1 )
-#define MIN_CHUNK_SIZE ( DEFAULT_ALIGNMENT * 8 )
-#define MIN_ALLOC_SIZE DEFAULT_ALIGNMENT
-#define ALIGN(x) ( (x) + (DEFAULT_ALIGNMENT - ( (x) & ALIGN_MASK)) )
-
-typedef struct ikschunk_struct {
-	struct ikschunk_struct *next;
-	size_t size;
-	size_t used;
-	size_t last;
-	char data[4];
-} ikschunk;
-
-struct ikstack_struct {
-	size_t allocated;
-	ikschunk *meta;
-	ikschunk *data;
-};
-
-static ikschunk *
-find_space (ikstack *s, ikschunk *c, size_t size)
-{
-	/* FIXME: dont use *2 after over allocated chunks */
-	while (1) {
-		if (c->size - c->used >= size) return c;
-		if (!c->next) {
-			if ((c->size * 2) > size) size = c->size * 2;
-			c->next = iks_malloc (sizeof (ikschunk) + size);
-			if (!c->next) return NULL;
-			s->allocated += sizeof (ikschunk) + size;
-			c = c->next;
-			c->next = NULL;
-			c->size = size;
-			c->used = 0;
-			c->last = (size_t) -1;
-			return c;
-		}
-		c = c->next;
-	}
-	return NULL;
-}
-
-ikstack *
-iks_stack_new (size_t meta_chunk, size_t data_chunk)
-{
-	ikstack *s;
-	size_t len;
-
-	if (meta_chunk < MIN_CHUNK_SIZE) meta_chunk = MIN_CHUNK_SIZE;
-	if (meta_chunk & ALIGN_MASK) meta_chunk = ALIGN (meta_chunk);
-	if (data_chunk < MIN_CHUNK_SIZE) data_chunk = MIN_CHUNK_SIZE;
-	if (data_chunk & ALIGN_MASK) data_chunk = ALIGN (data_chunk);
-
-	len = sizeof (ikstack) + meta_chunk + data_chunk + (sizeof (ikschunk) * 2);
-	s = iks_malloc (len);
-	if (!s) return NULL;
-	s->allocated = len;
-	s->meta = (ikschunk *) ((char *) s + sizeof (ikstack));
-	s->meta->next = NULL;
-	s->meta->size = meta_chunk;
-	s->meta->used = 0;
-	s->meta->last = (size_t) -1;
-	s->data = (ikschunk *) ((char *) s + sizeof (ikstack) + sizeof (ikschunk) + meta_chunk);
-	s->data->next = NULL;
-	s->data->size = data_chunk;
-	s->data->used = 0;
-	s->data->last = (size_t) -1;
-	return s;
-}
-
-void *
-iks_stack_alloc (ikstack *s, size_t size)
-{
-	ikschunk *c;
-	void *mem;
-
-	if (size < MIN_ALLOC_SIZE) size = MIN_ALLOC_SIZE;
-	if (size & ALIGN_MASK) size = ALIGN (size);
-
-	c = find_space (s, s->meta, size);
-	if (!c) return NULL;
-	mem = c->data + c->used;
-	c->used += size;
-	return mem;
-}
-
-char *
-iks_stack_strdup (ikstack *s, const char *src, size_t len)
-{
-	ikschunk *c;
-	char *dest;
-
-	if (!src) return NULL;
-	if (0 == len) len = strlen (src);
-
-	c = find_space (s, s->data, len + 1);
-	if (!c) return NULL;
-	dest = c->data + c->used;
-	c->last = c->used;
-	c->used += len + 1;
-	memcpy (dest, src, len);
-	dest[len] = '\0';
-	return dest;
-}
-
-char *
-iks_stack_strcat (ikstack *s, char *old, size_t old_len, const char *src, size_t src_len)
-{
-	char *ret;
-	ikschunk *c;
-
-	if (!old) {
-		return iks_stack_strdup (s, src, src_len);
-	}
-	if (0 == old_len) old_len = strlen (old);
-	if (0 == src_len) src_len = strlen (src);
-
-	for (c = s->data; c; c = c->next) {
-		if (c->data + c->last == old) break;
-	}
-	if (!c) {
-		c = find_space (s, s->data, old_len + src_len + 1);
-		if (!c) return NULL;
-		ret = c->data + c->used;
-		c->last = c->used;
-		c->used += old_len + src_len + 1;
-		memcpy (ret, old, old_len);
-		memcpy (ret + old_len, src, src_len);
-		ret[old_len + src_len] = '\0';
-		return ret;
-	}
-
-	if (c->size - c->used > src_len) {
-		ret = c->data + c->last;
-		memcpy (ret + old_len, src, src_len);
-		c->used += src_len;
-		ret[old_len + src_len] = '\0';
-	} else {
-		/* FIXME: decrease c->used before moving string to new place */
-		c = find_space (s, s->data, old_len + src_len + 1);
-		if (!c) return NULL;
-		c->last = c->used;
-		ret = c->data + c->used;
-		memcpy (ret, old, old_len);
-		c->used += old_len;
-		memcpy (c->data + c->used, src, src_len);
-		c->used += src_len;
-		c->data[c->used] = '\0';
-		c->used++;
-	}
-	return ret;
-}
-
-void
-iks_stack_stat (ikstack *s, size_t *allocated, size_t *used)
-{
-	ikschunk *c;
-
-	if (allocated) {
-		*allocated = s->allocated;
-	}
-	if (used) {
-		*used = 0;
-		for (c = s->meta; c; c = c->next) {
-			(*used) += c->used;
-		}
-		for (c = s->data; c; c = c->next) {
-			(*used) += c->used;
-		}
-	}
-}
-
-void
-iks_stack_delete (ikstack *s)
-{
-	ikschunk *c, *tmp;
-
-	c = s->meta->next;
-	while (c) {
-		tmp = c->next;
-		iks_free (c);
-		c = tmp;
-	}
-	c = s->data->next;
-	while (c) {
-		tmp = c->next;
-		iks_free (c);
-		c = tmp;
-	}
-	iks_free (s);
-}
-/* iksemel (XML parser for Jabber)
-** Copyright (C) 2000-2004 Gurer Ozen <[email protected]>
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU Lesser General Public License.
-*/
-
-#include "common.h"
-#include "iksemel.h"
-
-enum cons_e {
-	C_CDATA = 0,
-	C_TAG_START,
-	C_TAG,
-	C_TAG_END,
-	C_ATTRIBUTE,
-	C_ATTRIBUTE_1,
-	C_ATTRIBUTE_2,
-	C_VALUE,
-	C_VALUE_APOS,
-	C_VALUE_QUOT,
-	C_WHITESPACE,
-	C_ENTITY,
-	C_COMMENT,
-	C_COMMENT_1,
-	C_COMMENT_2,
-	C_COMMENT_3,
-	C_MARKUP,
-	C_MARKUP_1,
-	C_SECT,
-	C_SECT_CDATA,
-	C_SECT_CDATA_1,
-	C_SECT_CDATA_2,
-	C_SECT_CDATA_3,
-	C_SECT_CDATA_4,
-	C_SECT_CDATA_C,
-	C_SECT_CDATA_E,
-	C_SECT_CDATA_E2,
-	C_PI
-};
-
-/* if you add a variable here, dont forget changing iks_parser_reset */
-struct iksparser_struct {
-	ikstack *s;
-	void *user_data;
-	iksTagHook *tagHook;
-	iksCDataHook *cdataHook;
-	iksDeleteHook *deleteHook;
-	/* parser context */
-	char *stack;
-	size_t stack_pos;
-	size_t stack_max;
-
-	enum cons_e context;
-	enum cons_e oldcontext;
-
-	char *tag_name;
-	enum ikstagtype tagtype;
-
-	unsigned int attmax;
-	unsigned int attcur;
-	int attflag;
-	char **atts;
-	int valflag;
-
-	unsigned int entpos;
-	char entity[8];
-
-	unsigned long nr_bytes;
-	unsigned long nr_lines;
-
-	int uni_max;
-	int uni_len;
-};
-
-iksparser *
-iks_sax_new (void *user_data, iksTagHook *tagHook, iksCDataHook *cdataHook)
-{
-	iksparser *prs;
-
-	prs = iks_malloc (sizeof (iksparser));
-	if (NULL == prs) return NULL;
-	memset (prs, 0, sizeof (iksparser));
-	prs->user_data = user_data;
-	prs->tagHook = tagHook;
-	prs->cdataHook = cdataHook;
-	return prs;
-}
-
-iksparser *
-iks_sax_extend (ikstack *s, void *user_data, iksTagHook *tagHook, iksCDataHook *cdataHook, iksDeleteHook *deleteHook)
-{
-	iksparser *prs;
-
-	prs = iks_stack_alloc (s, sizeof (iksparser));
-	if (NULL == prs) return NULL;
-	memset (prs, 0, sizeof (iksparser));
-	prs->s = s;
-	prs->user_data = user_data;
-	prs->tagHook = tagHook;
-	prs->cdataHook = cdataHook;
-	prs->deleteHook = deleteHook;
-	return prs;
-}
-
-ikstack *
-iks_parser_stack (iksparser *prs)
-{
-	return prs->s;
-}
-
-void *
-iks_user_data (iksparser *prs)
-{
-	return prs->user_data;
-}
-
-unsigned long
-iks_nr_bytes (iksparser *prs)
-{
-	return prs->nr_bytes;
-}
-
-unsigned long
-iks_nr_lines (iksparser *prs)
-{
-	return prs->nr_lines;
-}
-
-#define IS_WHITESPACE(x) ' ' == (x) || '\t' == (x) || '\r' == (x) || '\n' == (x)
-#define NOT_WHITESPACE(x) ' ' != (x) && '\t' != (x) && '\r' != (x) && '\n' != (x)
-
-static int
-stack_init (iksparser *prs)
-{
-	prs->stack = iks_malloc (128);
-	if (!prs->stack) return 0;
-	prs->stack_max = 128;
-	prs->stack_pos = 0;
-	return 1;
-}
-
-static int
-stack_expand (iksparser *prs, int len)
-{
-	size_t need;
-	off_t diff;
-	char *tmp;
-	need = len - (prs->stack_max - prs->stack_pos);
-	if (need < prs->stack_max) {
-		need = prs->stack_max * 2;
-	} else {
-		need = prs->stack_max + (need * 1.2);
-	}
-	tmp = iks_malloc (need);
-	if (!tmp) return 0;
-	diff = tmp - prs->stack;
-	memcpy (tmp, prs->stack, prs->stack_max);
-	iks_free (prs->stack);
-	prs->stack = tmp;
-	prs->stack_max = need;
-	prs->tag_name += diff;
-	if (prs->attflag != 0) {
-		int i = 0;
-		while (i < (prs->attmax * 2)) {
-			if (prs->atts[i]) prs->atts[i] += diff;
-			i++;
-		}
-	}
-	return 1;
-}
-
-#define STACK_INIT \
-	if (NULL == prs->stack && 0 == stack_init (prs)) return IKS_NOMEM
-
-#define STACK_PUSH_START (prs->stack + prs->stack_pos)
-
-#define STACK_PUSH(buf,len) \
-{ \
-	char *sbuf = (buf); \
-	size_t slen = (len); \
-	if (prs->stack_max - prs->stack_pos <= slen) { \
-		if (0 == stack_expand (prs, slen)) return IKS_NOMEM; \
-	} \
-	memcpy (prs->stack + prs->stack_pos, sbuf, slen); \
-	prs->stack_pos += slen; \
-}
-
-#define STACK_PUSH_END \
-{ \
-	if (prs->stack_pos >= prs->stack_max) { \
-		if (0 == stack_expand (prs, 1)) return IKS_NOMEM; \
-	} \
-	prs->stack[prs->stack_pos] = '\0'; \
-	prs->stack_pos++; \
-}
-
-static enum ikserror
-sax_core (iksparser *prs, char *buf, int len)
-{
-	enum ikserror err;
-	int pos = 0, old = 0, re, stack_old = -1;
-	unsigned char c;
-
-	while (pos < len) {
-		re = 0;
-		c = buf[pos];
-		if (0 == c || 0xFE == c || 0xFF == c) return IKS_BADXML;
-		if (prs->uni_max) {
-			if ((c & 0xC0) != 0x80) return IKS_BADXML;
-			prs->uni_len++;
-			if (prs->uni_len == prs->uni_max) prs->uni_max = 0;
-			goto cont;
-		} else {
-			if (c & 0x80) {
-				unsigned char mask;
-				if ((c & 0x60) == 0x40) {
-					prs->uni_max = 2;
-					mask = 0x1F;
-				} else if ((c & 0x70) == 0x60) {
-					prs->uni_max = 3;
-					mask = 0x0F;
-				} else if ((c & 0x78) == 0x70) {
-					prs->uni_max = 4;
-					mask = 0x07;
-				} else if ((c & 0x7C) == 0x78) {
-					prs->uni_max = 5;
-					mask = 0x03;
-				} else if ((c & 0x7E) == 0x7C) {
-					prs->uni_max = 6;
-					mask = 0x01;
-				} else {
-					return IKS_BADXML;
-				}
-				if ((c & mask) == 0) return IKS_BADXML;
-				prs->uni_len = 1;
-				if (stack_old == -1) stack_old = pos;
-				goto cont;
-			}
-		}
-
-		switch (prs->context) {
-			case C_CDATA:
-				if ('&' == c) {
-					if (old < pos && prs->cdataHook) {
-						err = prs->cdataHook (prs->user_data, &buf[old], pos - old);
-						if (IKS_OK != err) return err;
-					}
-					prs->context = C_ENTITY;
-					prs->entpos = 0;
-					break;
-				}
-				if ('<' == c) {
-					if (old < pos && prs->cdataHook) {
-						err = prs->cdataHook (prs->user_data, &buf[old], pos - old);
-						if (IKS_OK != err) return err;
-					}
-					STACK_INIT;
-					prs->tag_name = STACK_PUSH_START;
-					if (!prs->tag_name) return IKS_NOMEM;
-					prs->context = C_TAG_START;
-				}
-				break;
-
-			case C_TAG_START:
-				prs->context = C_TAG;
-				if ('/' == c) {
-					prs->tagtype = IKS_CLOSE;
-					break;
-				}
-				if ('?' == c) {
-					prs->context = C_PI;
-					break;
-				}
-				if ('!' == c) {
-					prs->context = C_MARKUP;
-					break;
-				}
-				prs->tagtype = IKS_OPEN;
-				stack_old = pos;
-				break;
-
-			case C_TAG:
-				if (IS_WHITESPACE(c)) {
-					if (IKS_CLOSE == prs->tagtype)
-						prs->oldcontext = C_TAG_END;
-					else
-						prs->oldcontext = C_ATTRIBUTE;
-					prs->context = C_WHITESPACE;
-					if (stack_old != -1) STACK_PUSH (buf + stack_old, pos - stack_old);
-					stack_old = -1;
-					STACK_PUSH_END;
-					break;
-				}
-				if ('/' == c) {
-					if (IKS_CLOSE == prs->tagtype) return IKS_BADXML;
-					prs->tagtype = IKS_SINGLE;
-					prs->context = C_TAG_END;
-					if (stack_old != -1) STACK_PUSH (buf + stack_old, pos - stack_old);
-					stack_old = -1;
-					STACK_PUSH_END;
-					break;
-				}
-				if ('>' == c) {
-					prs->context = C_TAG_END;
-					if (stack_old != -1) STACK_PUSH (buf + stack_old, pos - stack_old);
-					stack_old = -1;
-					STACK_PUSH_END;
-					re = 1;
-				}
-				if (stack_old == -1) stack_old = pos;
-				break;
-
-			case C_TAG_END:
-				if (c != '>') return IKS_BADXML;
-				if (prs->tagHook) {
-					char **tmp;
-					if (prs->attcur == 0) tmp = NULL; else tmp = prs->atts;
-					err = prs->tagHook (prs->user_data, prs->tag_name, tmp, prs->tagtype);
-					if (IKS_OK != err) return err;
-				}
-				prs->stack_pos = 0;
-				stack_old = -1;
-				prs->attcur = 0;
-				prs->attflag = 0;
-				prs->context = C_CDATA;
-				old = pos + 1;
-				break;
-
-			case C_ATTRIBUTE:
-				if ('/' == c) {
-					prs->tagtype = IKS_SINGLE;
-					prs->context = C_TAG_END;
-					break;
-				}
-				if ('>' == c) {
-					prs->context = C_TAG_END;
-					re = 1;
-					break;
-				}
-				if (!prs->atts) {
-					prs->attmax = 12;
-					prs->atts = iks_malloc (sizeof(char *) * 2 * 12);
-					if (!prs->atts) return IKS_NOMEM;
-					memset (prs->atts, 0, sizeof(char *) * 2 * 12);
-					prs->attcur = 0;
-				} else {
-					if (prs->attcur >= (prs->attmax * 2)) {
-						void *tmp;
-						prs->attmax += 12;
-						tmp = iks_malloc (sizeof(char *) * (2 * prs->attmax + 1));
-						if (!tmp) return IKS_NOMEM;
-						memset (tmp, 0, sizeof(char *) * (2 * prs->attmax + 1));
-						memcpy (tmp, prs->atts, sizeof(char *) * prs->attcur);
-						iks_free (prs->atts);
-						prs->atts = tmp;
-					}
-				}
-				prs->attflag = 1;
-				prs->atts[prs->attcur] = STACK_PUSH_START;
-				stack_old = pos;
-				prs->context = C_ATTRIBUTE_1;
-				break;
-
-			case C_ATTRIBUTE_1:
-				if ('=' == c) {
-					if (stack_old != -1) STACK_PUSH (buf + stack_old, pos - stack_old);
-					stack_old = -1;
-					STACK_PUSH_END;
-					prs->context = C_VALUE;
-					break;
-				}
-				if (stack_old == -1) stack_old = pos;
-				break;
-
-			case C_ATTRIBUTE_2:
-				if ('/' == c) {
-					prs->tagtype = IKS_SINGLE;
-					prs->atts[prs->attcur] = NULL;
-					prs->context = C_TAG_END;
-					break;
-				}
-				if ('>' == c) {
-					prs->atts[prs->attcur] = NULL;
-					prs->context = C_TAG_END;
-					re = 1;
-					break;
-				}
-				prs->context = C_ATTRIBUTE;
-				re = 1;
-				break;
-
-			case C_VALUE:
-				prs->atts[prs->attcur + 1] = STACK_PUSH_START;
-				if ('\'' == c) {
-					prs->context = C_VALUE_APOS;
-					break;
-				}
-				if ('"' == c) {
-					prs->context = C_VALUE_QUOT;
-					break;
-				}
-				return IKS_BADXML;
-
-			case C_VALUE_APOS:
-				if ('\'' == c) {
-					if (stack_old != -1) STACK_PUSH (buf + stack_old, pos - stack_old);
-					stack_old = -1;
-					STACK_PUSH_END;
-					prs->oldcontext = C_ATTRIBUTE_2;
-					prs->context = C_WHITESPACE;
-					prs->attcur += 2;
-				}
-				if (stack_old == -1) stack_old = pos;
-				break;
-
-			case C_VALUE_QUOT:
-				if ('"' == c) {
-					if (stack_old != -1) STACK_PUSH (buf + stack_old, pos - stack_old);
-					stack_old = -1;
-					STACK_PUSH_END;
-					prs->oldcontext = C_ATTRIBUTE_2;
-					prs->context = C_WHITESPACE;
-					prs->attcur += 2;
-				}
-				if (stack_old == -1) stack_old = pos;
-				break;
-
-			case C_WHITESPACE:
-				if (NOT_WHITESPACE(c)) {
-					prs->context = prs->oldcontext;
-					re = 1;
-				}
-				break;
-
-			case C_ENTITY:
-				if (';' == c) {
-					char hede[2];
-					char t = '?';
-					prs->entity[prs->entpos] = '\0';
-					if (strcmp(prs->entity, "amp") == 0)
-						t = '&';
-					else if (strcmp(prs->entity, "quot") == 0)
-						t = '"';
-					else if (strcmp(prs->entity, "apos") == 0)
-						t = '\'';
-					else if (strcmp(prs->entity, "lt") == 0)
-						t = '<';
-					else if (strcmp(prs->entity, "gt") == 0)
-						t = '>';
-					old = pos + 1;
-					hede[0] = t;
-					if (prs->cdataHook) {
-						err = prs->cdataHook (prs->user_data, &hede[0], 1);
-						if (IKS_OK != err) return err;
-					}
-					prs->context = C_CDATA;
-				} else {
-					prs->entity[prs->entpos++] = buf[pos];
-					if (prs->entpos > 7) return IKS_BADXML;
-				}
-				break;
-
-			case C_COMMENT:
-				if ('-' != c) return IKS_BADXML;
-				prs->context = C_COMMENT_1;
-				break;
-
-			case C_COMMENT_1:
-				if ('-' == c) prs->context = C_COMMENT_2;
-				break;
-
-			case C_COMMENT_2:
-				if ('-' == c)
-					prs->context = C_COMMENT_3;
-				else
-					prs->context = C_COMMENT_1;
-				break;
-
-			case C_COMMENT_3:
-				if ('>' != c) return IKS_BADXML;
-				prs->context = C_CDATA;
-				old = pos + 1;
-				break;
-
-			case C_MARKUP:
-				if ('[' == c) {
-					prs->context = C_SECT;
-					break;
-				}
-				if ('-' == c) {
-					prs->context = C_COMMENT;
-					break;
-				}
-				prs->context = C_MARKUP_1;
-
-			case C_MARKUP_1:
-				if ('>' == c) {
-					old = pos + 1;
-					prs->context = C_CDATA;
-				}
-				break;
-
-			case C_SECT:
-				if ('C' == c) {
-					prs->context = C_SECT_CDATA;
-					break;
-				}
-				return IKS_BADXML;
-
-			case C_SECT_CDATA:
-				if ('D' != c) return IKS_BADXML;
-				prs->context = C_SECT_CDATA_1;
-				break;
-
-			case C_SECT_CDATA_1:
-				if ('A' != c) return IKS_BADXML;
-				prs->context = C_SECT_CDATA_2;
-				break;
-
-			case C_SECT_CDATA_2:
-				if ('T' != c) return IKS_BADXML;
-				prs->context = C_SECT_CDATA_3;
-				break;
-
-			case C_SECT_CDATA_3:
-				if ('A' != c) return IKS_BADXML;
-				prs->context = C_SECT_CDATA_4;
-				break;
-
-			case C_SECT_CDATA_4:
-				if ('[' != c) return IKS_BADXML;
-				old = pos + 1;
-				prs->context = C_SECT_CDATA_C;
-				break;
-
-			case C_SECT_CDATA_C:
-				if (']' == c) {
-					prs->context = C_SECT_CDATA_E;
-					if (prs->cdataHook && old < pos) {
-						err = prs->cdataHook (prs->user_data, &buf[old], pos - old);
-						if (IKS_OK != err) return err;
-					}
-				}
-				break;
-
-			case C_SECT_CDATA_E:
-				if (']' == c) {
-					prs->context = C_SECT_CDATA_E2;
-				} else {
-					if (prs->cdataHook) {
-						err = prs->cdataHook (prs->user_data, "]", 1);
-						if (IKS_OK != err) return err;
-					}
-					old = pos;
-					prs->context = C_SECT_CDATA_C;
-				}
-				break;
-
-			case C_SECT_CDATA_E2:
-				if ('>' == c) {
-					old = pos + 1;
-					prs->context = C_CDATA;
-				} else {
-					if (prs->cdataHook) {
-						err = prs->cdataHook (prs->user_data, "]]", 2);
-						if (IKS_OK != err) return err;
-					}
-					old = pos;
-					prs->context = C_SECT_CDATA_C;
-				}
-				break;
-
-			case C_PI:
-				old = pos + 1;
-				if ('>' == c) prs->context = C_CDATA;
-				break;
-		}
-cont:
-		if (0 == re) {
-			pos++;
-			prs->nr_bytes++;
-			if ('\n' == c) prs->nr_lines++;
-		}
-	}
-
-	if (stack_old != -1)
-		STACK_PUSH (buf + stack_old, pos - stack_old);
-
-	err = IKS_OK;
-	if (prs->cdataHook && (prs->context == C_CDATA || prs->context == C_SECT_CDATA_C) && old < pos)
-		err = prs->cdataHook (prs->user_data, &buf[old], pos - old);
-	return err;
-}
-
-int
-iks_parse (iksparser *prs, const char *data, size_t len, int finish)
-{
-	if (!data) return IKS_OK;
-	if (len == 0) len = strlen (data);
-	return sax_core (prs, (char *) data, len);
-}
-
-void
-iks_parser_reset (iksparser *prs)
-{
-	if (prs->deleteHook) prs->deleteHook (prs->user_data);
-	prs->stack_pos = 0;
-	prs->context = 0;
-	prs->oldcontext = 0;
-	prs->tagtype = 0;
-	prs->attcur = 0;
-	prs->attflag = 0;
-	prs->valflag = 0;
-	prs->entpos = 0;
-	prs->nr_bytes = 0;
-	prs->nr_lines = 0;
-	prs->uni_max = 0;
-	prs->uni_len = 0;
-}
-
-void
-iks_parser_delete (iksparser *prs)
-{
-	if (prs->deleteHook) prs->deleteHook (prs->user_data);
-	if (prs->stack) iks_free (prs->stack);
-	if (prs->atts) iks_free (prs->atts);
-	if (prs->s) iks_stack_delete (prs->s); else iks_free (prs);
-}
-/* iksemel (XML parser for Jabber)
-** Copyright (C) 2000-2004 Gurer Ozen <[email protected]>
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU Lesser General Public License.
-*/
-
-#include "common.h"
-#include "iksemel.h"
-
-#define IKS_COMMON \
-	struct iks_struct *next, *prev; \
-	struct iks_struct *parent; \
-	enum ikstype type; \
-	ikstack *s
-
-struct iks_struct {
-	IKS_COMMON;
-};
-
-struct iks_tag {
-	IKS_COMMON;
-	struct iks_struct *children, *last_child;
-	struct iks_struct *attribs, *last_attrib;
-	char *name;
-};
-
-#define IKS_TAG_NAME(x) ((struct iks_tag *) (x) )->name
-#define IKS_TAG_CHILDREN(x) ((struct iks_tag *) (x) )->children
-#define IKS_TAG_LAST_CHILD(x) ((struct iks_tag *) (x) )->last_child
-#define IKS_TAG_ATTRIBS(x) ((struct iks_tag *) (x) )->attribs
-#define IKS_TAG_LAST_ATTRIB(x) ((struct iks_tag *) (x) )->last_attrib
-
-struct iks_cdata {
-	IKS_COMMON;
-	char *cdata;
-	size_t len;
-};
-
-#define IKS_CDATA_CDATA(x) ((struct iks_cdata *) (x) )->cdata
-#define IKS_CDATA_LEN(x) ((struct iks_cdata *) (x) )->len
-
-struct iks_attrib {
-	IKS_COMMON;
-	char *name;
-	char *value;
-};
-
-#define IKS_ATTRIB_NAME(x) ((struct iks_attrib *) (x) )->name
-#define IKS_ATTRIB_VALUE(x) ((struct iks_attrib *) (x) )->value
-
-/*****  Node Creating & Deleting  *****/
-
-iks *
-iks_new (const char *name)
-{
-	ikstack *s;
-	iks *x;
-
-	s = iks_stack_new (sizeof (struct iks_tag) * 6, 256);
-	if (!s) return NULL;
-	x = iks_new_within (name, s);
-	if (!x) {
-		iks_stack_delete (s);
-		return NULL;
-	}
-	return x;
-}
-
-iks *
-iks_new_within (const char *name, ikstack *s)
-{
-	iks *x;
-	size_t len;
-
-	if (name) len = sizeof (struct iks_tag); else len = sizeof (struct iks_cdata);
-	x = iks_stack_alloc (s, len);
-	if (!x) return NULL;
-	memset (x, 0, len);
-	x->s = s;
-	x->type = IKS_TAG;
-	if (name) {
-		IKS_TAG_NAME (x) = iks_stack_strdup (s, name, 0);
-		if (!IKS_TAG_NAME (x)) return NULL;
-	}
-	return x;
-}
-
-iks *
-iks_insert (iks *x, const char *name)
-{
-	iks *y;
-
-	if (!x) return NULL;
-
-	y = iks_new_within (name, x->s);
-	if (!y) return NULL;
-	y->parent = x;
-	if (!IKS_TAG_CHILDREN (x)) IKS_TAG_CHILDREN (x) = y;
-	if (IKS_TAG_LAST_CHILD (x)) {
-		IKS_TAG_LAST_CHILD (x)->next = y;
-		y->prev = IKS_TAG_LAST_CHILD (x);
-	}
-	IKS_TAG_LAST_CHILD (x) = y;
-	return y;
-}
-
-iks *
-iks_insert_cdata (iks *x, const char *data, size_t len)
-{
-	iks *y;
-
-	if(!x || !data) return NULL;
-	if(len == 0) len = strlen (data);
-
-	y = IKS_TAG_LAST_CHILD (x);
-	if (y && y->type == IKS_CDATA) {
-		IKS_CDATA_CDATA (y) = iks_stack_strcat (x->s, IKS_CDATA_CDATA (y), IKS_CDATA_LEN (y), data, len);
-		IKS_CDATA_LEN (y) += len;
-	} else {
-		y = iks_insert (x, NULL);
-		if (!y) return NULL;
-		y->type = IKS_CDATA;
-		IKS_CDATA_CDATA (y) = iks_stack_strdup (x->s, data, len);
-		if (!IKS_CDATA_CDATA (y)) return NULL;
-		IKS_CDATA_LEN (y) = len;
-	}
-	return y;
-}
-
-iks *
-iks_insert_attrib (iks *x, const char *name, const char *value)
-{
-	iks *y;
-	size_t len;
-
-	if (!x) return NULL;
-
-	y = IKS_TAG_ATTRIBS (x);
-	while (y) {
-		if (strcmp (name, IKS_ATTRIB_NAME (y)) == 0) break;
-		y = y->next;
-	}
-	if (NULL == y) {
-		if (!value) return NULL;
-		y = iks_stack_alloc (x->s, sizeof (struct iks_attrib));
-		if (!y) return NULL;
-		memset (y, 0, sizeof (struct iks_attrib));
-		y->type = IKS_ATTRIBUTE;
-		IKS_ATTRIB_NAME (y) = iks_stack_strdup (x->s, name, 0);
-		y->parent = x;
-		if (!IKS_TAG_ATTRIBS (x)) IKS_TAG_ATTRIBS (x) = y;
-		if (IKS_TAG_LAST_ATTRIB (x)) {
-			IKS_TAG_LAST_ATTRIB (x)->next = y;
-			y->prev = IKS_TAG_LAST_ATTRIB (x);
-		}
-		IKS_TAG_LAST_ATTRIB (x) = y;
-	}
-
-	if (value) {
-		len = strlen (value);
-		IKS_ATTRIB_VALUE (y) = iks_stack_strdup (x->s, value, len);
-		if (!IKS_ATTRIB_VALUE (y)) return NULL;
-	} else {
-		if (y->next) y->next->prev = y->prev;
-		if (y->prev) y->prev->next = y->next;
-		if (IKS_TAG_ATTRIBS (x) == y) IKS_TAG_ATTRIBS (x) = y->next;
-		if (IKS_TAG_LAST_ATTRIB (x) == y) IKS_TAG_LAST_ATTRIB (x) = y->prev;
-	}
-
-	return y;
-}
-
-iks *
-iks_insert_node (iks *x, iks *y)
-{
-	y->parent = x;
-	if (!IKS_TAG_CHILDREN (x)) IKS_TAG_CHILDREN (x) = y;
-	if (IKS_TAG_LAST_CHILD (x)) {
-		IKS_TAG_LAST_CHILD (x)->next = y;
-		y->prev = IKS_TAG_LAST_CHILD (x);
-	}
-	IKS_TAG_LAST_CHILD (x) = y;
-	return y;
-}
-
-void
-iks_hide (iks *x)
-{
-	iks *y;
-
-	if (!x) return;
-
-	if (x->prev) x->prev->next = x->next;
-	if (x->next) x->next->prev = x->prev;
-	y = x->parent;
-	if (y) {
-		if (IKS_TAG_CHILDREN (y) == x) IKS_TAG_CHILDREN (y) = x->next;
-		if (IKS_TAG_LAST_CHILD (y) == x) IKS_TAG_LAST_CHILD (y) = x->prev;
-	}
-}
-
-void
-iks_delete (iks *x)
-{
-	if (x) iks_stack_delete (x->s);
-}
-
-/*****  Node Traversing  *****/
-
-iks *
-iks_next (iks *x)
-{
-	if (x) return x->next;
-	return NULL;
-}
-
-iks *
-iks_next_tag (iks *x)
-{
-	if (x) {
-		while (1) {
-			x = x->next;
-			if (NULL == x) break;
-			if (IKS_TAG == x->type) return x;
-		}
-	}
-	return NULL;
-}
-
-iks *
-iks_prev (iks *x)
-{
-	if (x) return x->prev;
-	return NULL;
-}
-
-iks *
-iks_prev_tag (iks *x)
-{
-	if (x) {
-		while (1) {
-			x = x->prev;
-			if (NULL == x) break;
-			if (IKS_TAG == x->type) return x;
-		}
-	}
-	return NULL;
-}
-
-iks *
-iks_parent (iks *x)
-{
-	if (x) return x->parent;
-	return NULL;
-}
-
-iks *
-iks_root (iks *x)
-{
-	if (x) {
-		while (x->parent)
-			x = x->parent;
-	}
-	return x;
-}
-
-iks *
-iks_child (iks *x)
-{
-	if (x) return IKS_TAG_CHILDREN (x);
-	return NULL;
-}
-
-iks *
-iks_first_tag (iks *x)
-{
-	if (x) {
-		x = IKS_TAG_CHILDREN (x);
-		while (x) {
-			if (IKS_TAG == x->type) return x;
-			x = x->next;
-		}
-	}
-	return NULL;
-}
-
-iks *
-iks_attrib (iks *x)
-{
-	if (x) return IKS_TAG_ATTRIBS (x);
-	return NULL;
-}
-
-iks *
-iks_find (iks *x, const char *name)
-{
-	iks *y;
-
-	if (!x) return NULL;
-	y = IKS_TAG_CHILDREN (x);
-	while (y) {
-		if (IKS_TAG == y->type && IKS_TAG_NAME (y) && strcmp (IKS_TAG_NAME (y), name) == 0) return y;
-		y = y->next;
-	}
-	return NULL;
-}
-
-char *
-iks_find_cdata (iks *x, const char *name)
-{
-	iks *y;
-
-	y = iks_find (x, name);
-	if (!y) return NULL;
-	y = IKS_TAG_CHILDREN (y);
-	if (!y || IKS_CDATA != y->type) return NULL;
-	return IKS_CDATA_CDATA (y);
-}
-
-char *
-iks_find_attrib (iks *x, const char *name)
-{
-	iks *y;
-
-	if (!x) return NULL;
-
-	y = IKS_TAG_ATTRIBS (x);
-	while (y) {
-		if (IKS_ATTRIB_NAME (y) && strcmp (IKS_ATTRIB_NAME (y), name) == 0)
-			return IKS_ATTRIB_VALUE (y);
-		y = y->next;
-	}
-	return NULL;
-}
-
-iks *
-iks_find_with_attrib (iks *x, const char *tagname, const char *attrname, const char *value)
-{
-	iks *y;
-
-	if (NULL == x) return NULL;
-
-	if (tagname) {
-		for (y = IKS_TAG_CHILDREN (x); y; y = y->next) {
-			if (IKS_TAG == y->type
-				&& strcmp (IKS_TAG_NAME (y), tagname) == 0
-				&& iks_strcmp (iks_find_attrib (y, attrname), value) == 0) {
-					return y;
-			}
-		}
-	} else {
-		for (y = IKS_TAG_CHILDREN (x); y; y = y->next) {
-			if (IKS_TAG == y->type
-				&& iks_strcmp (iks_find_attrib (y, attrname), value) == 0) {
-					return y;
-			}
-		}
-	}
-	return NULL;
-}
-
-/*****  Node Information  *****/
-
-ikstack *
-iks_stack (iks *x)
-{
-	if (x) return x->s;
-	return NULL;
-}
-
-enum ikstype
-iks_type (iks *x)
-{
-	if (x) return x->type;
-	return IKS_NONE;
-}
-
-char *
-iks_name (iks *x)
-{
-	if (x) {
-		if (IKS_TAG == x->type)
-			return IKS_TAG_NAME (x);
-		else
-			return IKS_ATTRIB_NAME (x);
-	}
-	return NULL;
-}
-
-char *
-iks_cdata (iks *x)
-{
-	if (x) {
-		if (IKS_CDATA == x->type)
-			return IKS_CDATA_CDATA (x);
-		else
-			return IKS_ATTRIB_VALUE (x);
-	}
-	return NULL;
-}
-
-size_t
-iks_cdata_size (iks *x)
-{
-	if (x) return IKS_CDATA_LEN (x);
-	return 0;
-}
-
-int
-iks_has_children (iks *x)
-{
-	if (x && IKS_TAG == x->type && IKS_TAG_CHILDREN (x)) return 1;
-	return 0;
-}
-
-int
-iks_has_attribs (iks *x)
-{
-	if (x && IKS_TAG == x->type && IKS_TAG_ATTRIBS (x)) return 1;
-	return 0;
-}
-
-/*****  Serializing  *****/
-
-static size_t
-escape_size (char *src, size_t len)
-{
-	size_t sz;
-	char c;
-	int i;
-
-	sz = 0;
-	for (i = 0; i < len; i++) {
-		c = src[i];
-		switch (c) {
-			case '&': sz += 5; break;
-			case '\'': sz += 6; break;
-			case '"': sz += 6; break;
-			case '<': sz += 4; break;
-			case '>': sz += 4; break;
-			default: sz++; break;
-		}
-	}
-	return sz;
-}
-
-static char *
-my_strcat (char *dest, char *src, size_t len)
-{
-	if (0 == len) len = strlen (src);
-	memcpy (dest, src, len);
-	return dest + len;
-}
-
-static char *
-escape (char *dest, char *src, size_t len)
-{
-	char c;
-	int i;
-	int j = 0;
-
-	for (i = 0; i < len; i++) {
-		c = src[i];
-		if ('&' == c || '<' == c || '>' == c || '\'' == c || '"' == c) {
-			if (i - j > 0) dest = my_strcat (dest, src + j, i - j);
-			j = i + 1;
-			switch (c) {
-			case '&': dest = my_strcat (dest, "&amp;", 5); break;
-			case '\'': dest = my_strcat (dest, "&apos;", 6); break;
-			case '"': dest = my_strcat (dest, "&quot;", 6); break;
-			case '<': dest = my_strcat (dest, "&lt;", 4); break;
-			case '>': dest = my_strcat (dest, "&gt;", 4); break;
-			}
-		}
-	}
-	if (i - j > 0) dest = my_strcat (dest, src + j, i - j);
-	return dest;
-}
-
-char *
-iks_string (ikstack *s, iks *x)
-{
-	size_t size;
-	int level, dir;
-	iks *y, *z;
-	char *ret, *t;
-
-	if (!x) return NULL;
-
-	if (x->type == IKS_CDATA) {
-		if (s) {
-			return iks_stack_strdup (s, IKS_CDATA_CDATA (x), IKS_CDATA_LEN (x));
-		} else {
-			ret = iks_malloc (IKS_CDATA_LEN (x));
-			memcpy (ret, IKS_CDATA_CDATA (x), IKS_CDATA_LEN (x));
-			return ret;
-		}
-	}
-
-	size = 0;
-	level = 0;
-	dir = 0;
-	y = x;
-	while (1) {
-		if (dir==0) {
-			if (y->type == IKS_TAG) {
-				size++;
-				size += strlen (IKS_TAG_NAME (y));
-				for (z = IKS_TAG_ATTRIBS (y); z; z = z->next) {
-					size += 4 + strlen (IKS_ATTRIB_NAME (z))
-						+ escape_size (IKS_ATTRIB_VALUE (z), strlen (IKS_ATTRIB_VALUE (z)));
-				}
-				if (IKS_TAG_CHILDREN (y)) {
-					size++;
-					y = IKS_TAG_CHILDREN (y);
-					level++;
-					continue;
-				} else {
-					size += 2;
-				}
-			} else {
-				size += escape_size (IKS_CDATA_CDATA (y), IKS_CDATA_LEN (y));
-			}
-		}
-		z = y->next;
-		if (z) {
-			if (0 == level) {
-				if (IKS_TAG_CHILDREN (y)) size += 3 + strlen (IKS_TAG_NAME (y));
-				break;
-			}
-			y = z;
-			dir = 0;
-		} else {
-			y = y->parent;
-			level--;
-			if (level >= 0) size += 3 + strlen (IKS_TAG_NAME (y));
-			if (level < 1) break;
-			dir = 1;
-		}
-	}
-
-	if (s) ret = iks_stack_alloc (s, size + 1);
-	else ret = iks_malloc (size + 1);
-
-	if (!ret) return NULL;
-
-	t = ret;
-	level = 0;
-	dir = 0;
-	while (1) {
-		if (dir==0) {
-			if (x->type == IKS_TAG) {
-				*t++ = '<';
-				t = my_strcat (t, IKS_TAG_NAME (x), 0);
-				y = IKS_TAG_ATTRIBS (x);
-				while (y) {
-					*t++ = ' ';
-					t = my_strcat (t, IKS_ATTRIB_NAME (y), 0);
-					*t++ = '=';
-					*t++ = '\'';
-					t = escape (t, IKS_ATTRIB_VALUE (y), strlen (IKS_ATTRIB_VALUE (y)));
-					*t++ = '\'';
-					y = y->next;
-				}
-				if (IKS_TAG_CHILDREN (x)) {
-					*t++ = '>';
-					x = IKS_TAG_CHILDREN (x);
-					level++;
-					continue;
-				} else {
-					*t++ = '/';
-					*t++ = '>';
-				}
-			} else {
-				t = escape (t, IKS_CDATA_CDATA (x), IKS_CDATA_LEN (x));
-			}
-		}
-		y = x->next;
-		if (y) {
-			if (0 == level) {
-				if (IKS_TAG_CHILDREN (x)) {
-					*t++ = '<';
-					*t++ = '/';
-					t = my_strcat (t, IKS_TAG_NAME (x), 0);
-					*t++ = '>';
-				}
-				break;
-			}
-			x = y;
-			dir = 0;
-		} else {
-			x = x->parent;
-			level--;
-			if (level >= 0) {
-					*t++ = '<';
-					*t++ = '/';
-					t = my_strcat (t, IKS_TAG_NAME (x), 0);
-					*t++ = '>';
-				}
-			if (level < 1) break;
-			dir = 1;
-		}
-	}
-	*t = '\0';
-
-	return ret;
-}
-
-/*****  Copying  *****/
-
-iks *
-iks_copy_within (iks *x, ikstack *s)
-{
-	int level=0, dir=0;
-	iks *copy = NULL;
-	iks *cur = NULL;
-	iks *y;
-
-	while (1) {
-		if (dir == 0) {
-			if (x->type == IKS_TAG) {
-				if (copy == NULL) {
-					copy = iks_new_within (IKS_TAG_NAME (x), s);
-					cur = copy;
-				} else {
-					cur = iks_insert (cur, IKS_TAG_NAME (x));
-				}
-				for (y = IKS_TAG_ATTRIBS (x); y; y = y->next) {
-					iks_insert_attrib (cur, IKS_ATTRIB_NAME (y), IKS_ATTRIB_VALUE (y));
-				}
-				if (IKS_TAG_CHILDREN (x)) {
-					x = IKS_TAG_CHILDREN (x);
-					level++;
-					continue;
-				} else {
-					cur = cur->parent;
-				}
-			} else {
-				iks_insert_cdata (cur, IKS_CDATA_CDATA (x), IKS_CDATA_LEN (x));
-			}
-		}
-		y = x->next;
-		if (y) {
-			if (0 == level) break;
-			x = y;
-			dir = 0;
-		} else {
-			if (level < 2) break;
-			level--;
-			x = x->parent;
-			cur = cur->parent;
-			dir = 1;
-		}
-	}
-	return copy;
-}
-
-iks *
-iks_copy (iks *x)
-{
-	return iks_copy_within (x, iks_stack_new (sizeof (struct iks_tag) * 6, 256));
-}
-/* iksemel (XML parser for Jabber)
-** Copyright (C) 2000-2003 Gurer Ozen <[email protected]>
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU Lesser General Public License.
-*/
-
-#include "common.h"
-#include "iksemel.h"
-
-struct dom_data {
-	iks **iksptr;
-	iks *current;
-	size_t chunk_size;
-};
-
-static int
-tagHook (struct dom_data *data, char *name, char **atts, int type)
-{
-	iks *x;
-
-	if (IKS_OPEN == type || IKS_SINGLE == type) {
-		if (data->current) {
-			x = iks_insert (data->current, name);
-		} else {
-			ikstack *s;
-			s = iks_stack_new (data->chunk_size, data->chunk_size);
-			x = iks_new_within (name, s);
-		}
-		if (atts) {
-			int i=0;
-			while (atts[i]) {
-				iks_insert_attrib (x, atts[i], atts[i+1]);
-				i += 2;
-			}
-		}
-		data->current = x;
-	}
-	if (IKS_CLOSE == type || IKS_SINGLE == type) {
-		x = iks_parent (data->current);
-		if (x)
-			data->current = x;
-		else {
-			*(data->iksptr) = data->current;
-			data->current = NULL;
-		}
-	}
-	return IKS_OK;
-}
-
-static int
-cdataHook (struct dom_data *data, char *cdata, size_t len)
-{
-	if (data->current) iks_insert_cdata (data->current, cdata, len);
-	return IKS_OK;
-}
-
-static void
-deleteHook (struct dom_data *data)
-{
-	if (data->current) iks_delete (data->current);
-	data->current = NULL;
-}
-
-iksparser *
-iks_dom_new (iks **iksptr)
-{
-	ikstack *s;
-	struct dom_data *data;
-
-	*iksptr = NULL;
-	s = iks_stack_new (DEFAULT_DOM_CHUNK_SIZE, 0);
-	if (!s) return NULL;
-	data = iks_stack_alloc (s, sizeof (struct dom_data));
-	data->iksptr = iksptr;
-	data->current = NULL;
-	data->chunk_size = DEFAULT_DOM_IKS_CHUNK_SIZE;
-	return iks_sax_extend (s, data, (iksTagHook *) tagHook, (iksCDataHook *) cdataHook, (iksDeleteHook *) deleteHook);
-}
-
-void
-iks_set_size_hint (iksparser *prs, size_t approx_size)
-{
-	size_t cs;
-	struct dom_data *data = iks_user_data (prs);
-
-	cs = approx_size / 10;
-	if (cs < DEFAULT_DOM_IKS_CHUNK_SIZE) cs = DEFAULT_DOM_IKS_CHUNK_SIZE;
-	data->chunk_size = cs;
-}
-
-iks *
-iks_tree (const char *xml_str, size_t len, int *err)
-{
-	iksparser *prs;
-	iks *x;
-	int e;
-
-	if (0 == len) len = strlen (xml_str);
-	prs = iks_dom_new (&x);
-	if (!prs) {
-		if (err) *err = IKS_NOMEM;
-		return NULL;
-	}
-	e = iks_parse (prs, xml_str, len, 1);
-	if (err) *err = e;
-	iks_parser_delete (prs);
-	return x;
-}
-
-int
-iks_load (const char *fname, iks **xptr)
-{
-	iksparser *prs;
-	char *buf;
-	FILE *f;
-	int len, done = 0;
-	int ret;
-
-	*xptr = NULL;
-
-	buf = iks_malloc (FILE_IO_BUF_SIZE);
-	if (!buf) return IKS_NOMEM;
-	ret = IKS_NOMEM;
-	prs = iks_dom_new (xptr);
-	if (prs) {
-		f = fopen (fname, "r");
-		if (f) {
-			while (0 == done) {
-				len = fread (buf, 1, FILE_IO_BUF_SIZE, f);
-				if (len < FILE_IO_BUF_SIZE) {
-					if (0 == feof (f)) {
-						ret = IKS_FILE_RWERR;
-						len = 0;
-					}
-					done = 1;
-				}
-				if (len > 0) {
-					int e;
-					e = iks_parse (prs, buf, len, done);
-					if (IKS_OK != e) {
-						ret = e;
-						break;
-					}
-					if (done) ret = IKS_OK;
-				}
-			}
-			fclose (f);
-		} else {
-			if (ENOENT == errno) ret = IKS_FILE_NOFILE;
-			else ret = IKS_FILE_NOACCESS;
-		}
-		iks_parser_delete (prs);
-	}
-	iks_free (buf);
-	return ret;
-}
-
-int
-iks_save (const char *fname, iks *x)
-{
-	FILE *f;
-	char *data;
-	int ret;
-
-	ret = IKS_NOMEM;
-	data = iks_string (NULL, x);
-	if (data) {
-		ret = IKS_FILE_NOACCESS;
-		f = fopen (fname, "w");
-		if (f) {
-			ret = IKS_FILE_RWERR;
-			if (fputs (data, f) >= 0) ret = IKS_OK;
-			fclose (f);
-		}
-		iks_free (data);
-	}
-	return ret;
-}
diff --git a/backend/impress/iksemel.h b/backend/impress/iksemel.h
deleted file mode 100644
index 66c87d61..00000000
--- a/backend/impress/iksemel.h
+++ /dev/null
@@ -1,402 +0,0 @@
-/* iksemel (XML parser for Jabber)
-** Copyright (C) 2000-2004 Gurer Ozen <[email protected]>
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU Lesser General Public License.
-*/
-
-#ifndef IKSEMEL_H
-#define IKSEMEL_H 1
-
-#ifdef __cplusplus
-#include <cstddef>	/* size_t for C++ */
-extern "C" {
-#else
-#include <stddef.h>	/* size_t for C */
-#endif
-
-/*****  object stack  *****/
-
-struct ikstack_struct;
-typedef struct ikstack_struct ikstack;
-
-ikstack *iks_stack_new (size_t meta_chunk, size_t data_chunk);
-void *iks_stack_alloc (ikstack *s, size_t size);
-char *iks_stack_strdup (ikstack *s, const char *src, size_t len);
-char *iks_stack_strcat (ikstack *s, char *old, size_t old_len, const char *src, size_t src_len);
-void iks_stack_stat (ikstack *s, size_t *allocated, size_t *used);
-void iks_stack_delete (ikstack *s);
-
-/*****  utilities  *****/
-
-void *iks_malloc (size_t size);
-void iks_free (void *ptr);
-void iks_set_mem_funcs (void *(*malloc_func)(size_t size), void (*free_func)(void *ptr));
-
-char *iks_strdup (const char *src);
-char *iks_strcat (char *dest, const char *src);
-int iks_strcmp (const char *a, const char *b);
-int iks_strcasecmp (const char *a, const char *b);
-int iks_strncmp (const char *a, const char *b, size_t n);
-int iks_strncasecmp (const char *a, const char *b, size_t n);
-size_t iks_strlen (const char *src);
-char *iks_escape (ikstack *s, char *src, size_t len);
-char *iks_unescape (ikstack *s, char *src, size_t len);
-
-/*****  dom tree  *****/
-
-enum ikstype {
-	IKS_NONE = 0,
-	IKS_TAG,
-	IKS_ATTRIBUTE,
-	IKS_CDATA
-};
-
-struct iks_struct;
-typedef struct iks_struct iks;
-
-iks *iks_new (const char *name);
-iks *iks_new_within (const char *name, ikstack *s);
-iks *iks_insert (iks *x, const char *name);
-iks *iks_insert_cdata (iks *x, const char *data, size_t len);
-iks *iks_insert_attrib (iks *x, const char *name, const char *value);
-iks *iks_insert_node (iks *x, iks *y);
-void iks_hide (iks *x);
-void iks_delete (iks *x);
-iks *iks_next (iks *x);
-iks *iks_next_tag (iks *x);
-iks *iks_prev (iks *x);
-iks *iks_prev_tag (iks *x);
-iks *iks_parent (iks *x);
-iks *iks_root (iks *x);
-iks *iks_child (iks *x);
-iks *iks_first_tag (iks *x);
-iks *iks_attrib (iks *x);
-iks *iks_find (iks *x, const char *name);
-char *iks_find_cdata (iks *x, const char *name);
-char *iks_find_attrib (iks *x, const char *name);
-iks *iks_find_with_attrib (iks *x, const char *tagname, const char *attrname, const char *value);
-ikstack *iks_stack (iks *x);
-enum ikstype iks_type (iks *x);
-char *iks_name (iks *x);
-char *iks_cdata (iks *x);
-size_t iks_cdata_size (iks *x);
-int iks_has_children (iks *x);
-int iks_has_attribs (iks *x);
-char *iks_string (ikstack *s, iks *x);
-iks *iks_copy (iks *x);
-iks *iks_copy_within (iks *x, ikstack *s);
-
-/*****  sax parser  *****/
-
-enum ikserror {
-	IKS_OK = 0,
-	IKS_NOMEM,
-	IKS_BADXML,
-	IKS_HOOK
-};
-
-enum ikstagtype {
-	IKS_OPEN,
-	IKS_CLOSE,
-	IKS_SINGLE
-};
-
-typedef int (iksTagHook)(void *user_data, char *name, char **atts, int type);
-typedef int (iksCDataHook)(void *user_data, char *data, size_t len);
-typedef void (iksDeleteHook)(void *user_data);
-
-struct iksparser_struct;
-typedef struct iksparser_struct  iksparser;
-
-iksparser *iks_sax_new (void *user_data, iksTagHook *tagHook, iksCDataHook *cdataHook);
-iksparser *iks_sax_extend (ikstack *s, void *user_data, iksTagHook *tagHook, iksCDataHook *cdataHook, iksDeleteHook *deleteHook);
-ikstack *iks_parser_stack (iksparser *prs);
-void *iks_user_data (iksparser *prs);
-unsigned long iks_nr_bytes (iksparser *prs);
-unsigned long iks_nr_lines (iksparser *prs);
-int iks_parse (iksparser *prs, const char *data, size_t len, int finish);
-void iks_parser_reset (iksparser *prs);
-void iks_parser_delete (iksparser *prs);
-
-/*****  dom parser  *****/
-
-enum iksfileerror {
-	IKS_FILE_NOFILE = 4,
-	IKS_FILE_NOACCESS,
-	IKS_FILE_RWERR
-};
-
-iksparser *iks_dom_new (iks **iksptr);
-void iks_set_size_hint (iksparser *prs, size_t approx_size);
-iks *iks_tree (const char *xml_str, size_t len, int *err);
-int iks_load (const char *fname, iks **xptr);
-int iks_save (const char *fname, iks *x);
-
-/*****  transport layer  *****/
-
-typedef void (iksTClose)(void *socket);
-typedef int (iksTConnect)(iksparser *prs, void **socketptr, const char *server, int port);
-typedef int (iksTSend)(void *socket, const char *data, size_t len);
-typedef int (iksTRecv)(void *socket, char *buffer, size_t buf_len, int timeout);
-typedef int (iksTConnectFD)(iksparser *prs, void **socketptr, void *fd);
-typedef void *(iksTGetFD)(void *socket);
-
-enum iksasyncevents {
-	IKS_ASYNC_RESOLVED,
-	IKS_ASYNC_CONNECTED,
-	IKS_ASYNC_WRITE,
-	IKS_ASYNC_WRITTEN,
-	IKS_ASYNC_READ,
-	IKS_ASYNC_CLOSED,
-	IKS_ASYNC_ERROR
-};
-
-typedef int (iksAsyncNotify)(void *user_data, int event, void *event_data);
-typedef int (iksTConnectAsync)(iksparser *prs, void **socketptr, const char *server, int port, void *notify_data, iksAsyncNotify *notify_func);
-
-typedef struct ikstransport_struct {
-	/* basic api, connect can be NULL if one of the other connect funcs are used */
-	iksTConnect *connect;
-	iksTSend *send;
-	iksTRecv *recv;
-	iksTClose *close;
-	/* optional fd api */
-	iksTConnectFD *connect_fd;
-	iksTGetFD *get_fd;
-	/* optional async api */
-	iksTConnectAsync *connect_async;
-} ikstransport;
-
-extern ikstransport iks_default_transport;
-
-/*****  stream parser  *****/
-
-enum iksneterror {
-	IKS_NET_NODNS = 4,
-	IKS_NET_NOSOCK,
-	IKS_NET_NOCONN,
-	IKS_NET_RWERR,
-	IKS_NET_NOTSUPP,
-	IKS_NET_TLSFAIL
-};
-
-enum iksnodetype {
-	IKS_NODE_START,
-	IKS_NODE_NORMAL,
-	IKS_NODE_ERROR,
-	IKS_NODE_STOP
-};
-
-enum ikssasltype {
-	IKS_SASL_PLAIN,
-	IKS_SASL_DIGEST_MD5
-};
-
-#define IKS_JABBER_PORT 5222
-
-typedef int (iksStreamHook)(void *user_data, int type, iks *node);
-typedef void (iksLogHook)(void *user_data, const char *data, size_t size, int is_incoming);
-
-iksparser *iks_stream_new (char *name_space, void *user_data, iksStreamHook *streamHook);
-void *iks_stream_user_data (iksparser *prs);
-void iks_set_log_hook (iksparser *prs, iksLogHook *logHook);
-int iks_connect_tcp (iksparser *prs, const char *server, int port);
-int iks_connect_fd (iksparser *prs, int fd);
-int iks_connect_via (iksparser *prs, const char *server, int port, const char *server_name);
-int iks_connect_with (iksparser *prs, const char *server, int port, const char *server_name, ikstransport *trans);
-int iks_connect_async (iksparser *prs, const char *server, int port, void *notify_data, iksAsyncNotify *notify_func);
-int iks_connect_async_with (iksparser *prs, const char *server, int port, const char *server_name, ikstransport *trans, void *notify_data, iksAsyncNotify *notify_func);
-int iks_fd (iksparser *prs);
-int iks_recv (iksparser *prs, int timeout);
-int iks_send_header (iksparser *prs, const char *to);
-int iks_send (iksparser *prs, iks *x);
-int iks_send_raw (iksparser *prs, const char *xmlstr);
-void iks_disconnect (iksparser *prs);
-int iks_has_tls (void);
-int iks_is_secure (iksparser *prs);
-int iks_start_tls (iksparser *prs);
-int iks_start_sasl (iksparser *prs, enum ikssasltype type, char *username, char *pass);
-
-/*****  jabber  *****/
-
-#define IKS_NS_CLIENT     "jabber:client"
-#define IKS_NS_SERVER     "jabber:server"
-#define IKS_NS_AUTH       "jabber:iq:auth"
-#define IKS_NS_AUTH_0K    "jabber:iq:auth:0k"
-#define IKS_NS_REGISTER   "jabber:iq:register"
-#define IKS_NS_ROSTER     "jabber:iq:roster"
-#define IKS_NS_XROSTER	"jabber:x:roster"
-#define IKS_NS_OFFLINE    "jabber:x:offline"
-#define IKS_NS_AGENT      "jabber:iq:agent"
-#define IKS_NS_AGENTS     "jabber:iq:agents"
-#define IKS_NS_BROWSE     "jabber:iq:browse"
-#define IKS_NS_CONFERENCE "jabber:iq:conference"
-#define IKS_NS_DELAY      "jabber:x:delay"
-#define IKS_NS_VERSION    "jabber:iq:version"
-#define IKS_NS_TIME       "jabber:iq:time"
-#define IKS_NS_VCARD      "vcard-temp"
-#define IKS_NS_PRIVATE    "jabber:iq:private"
-#define IKS_NS_SEARCH     "jabber:iq:search"
-#define IKS_NS_OOB        "jabber:iq:oob"
-#define IKS_NS_XOOB       "jabber:x:oob"
-#define IKS_NS_ADMIN      "jabber:iq:admin"
-#define IKS_NS_FILTER     "jabber:iq:filter"
-#define IKS_NS_GATEWAY    "jabber:iq:gateway"
-#define IKS_NS_LAST       "jabber:iq:last"
-#define IKS_NS_SIGNED     "jabber:x:signed"
-#define IKS_NS_ENCRYPTED  "jabber:x:encrypted"
-#define IKS_NS_ENVELOPE   "jabber:x:envelope"
-#define IKS_NS_EVENT      "jabber:x:event"
-#define IKS_NS_EXPIRE     "jabber:x:expire"
-#define IKS_NS_XHTML      "http://www.w3.org/1999/xhtml"
-#define IKS_NS_XMPP_SASL  "urn:ietf:params:xml:ns:xmpp-sasl"
-#define IKS_NS_XMPP_BIND  "urn:ietf:params:xml:ns:xmpp-bind"
-#define IKS_NS_XMPP_SESSION  "urn:ietf:params:xml:ns:xmpp-session"
-
-#define IKS_ID_USER 1
-#define IKS_ID_SERVER 2
-#define IKS_ID_RESOURCE 4
-#define IKS_ID_PARTIAL IKS_ID_USER | IKS_ID_SERVER
-#define IKS_ID_FULL IKS_ID_USER | IKS_ID_SERVER | IKS_ID_RESOURCE
-
-#define IKS_STREAM_STARTTLS                   1
-#define IKS_STREAM_SESSION                    2
-#define IKS_STREAM_BIND                       4
-#define IKS_STREAM_SASL_PLAIN                 8
-#define IKS_STREAM_SASL_MD5                  16
-
-typedef struct iksid_struct {
-	char *user;
-	char *server;
-	char *resource;
-	char *partial;
-	char *full;
-} iksid;
-
-iksid *iks_id_new (ikstack *s, const char *jid);
-int iks_id_cmp (iksid *a, iksid *b, int parts);
-
-enum ikspaktype {
-	IKS_PAK_NONE = 0,
-	IKS_PAK_MESSAGE,
-	IKS_PAK_PRESENCE,
-	IKS_PAK_IQ,
-	IKS_PAK_S10N
-};
-
-enum iksubtype {
-	IKS_TYPE_NONE = 0,
-	IKS_TYPE_ERROR,
-
-	IKS_TYPE_CHAT,
-	IKS_TYPE_GROUPCHAT,
-	IKS_TYPE_HEADLINE,
-
-	IKS_TYPE_GET,
-	IKS_TYPE_SET,
-	IKS_TYPE_RESULT,
-
-	IKS_TYPE_SUBSCRIBE,
-	IKS_TYPE_SUBSCRIBED,
-	IKS_TYPE_UNSUBSCRIBE,
-	IKS_TYPE_UNSUBSCRIBED,
-	IKS_TYPE_PROBE,
-	IKS_TYPE_AVAILABLE,
-	IKS_TYPE_UNAVAILABLE
-};
-
-enum ikshowtype {
-	IKS_SHOW_UNAVAILABLE = 0,
-	IKS_SHOW_AVAILABLE,
-	IKS_SHOW_CHAT,
-	IKS_SHOW_AWAY,
-	IKS_SHOW_XA,
-	IKS_SHOW_DND
-};
-
-typedef struct ikspak_struct {
-	iks *x;
-	iksid *from;
-	iks *query;
-	char *ns;
-	char *id;
-	enum ikspaktype type;
-	enum iksubtype subtype;
-	enum ikshowtype show;
-} ikspak;
-
-ikspak *iks_packet (iks *x);
-
-iks *iks_make_auth (iksid *id, const char *pass, const char *sid);
-iks *iks_make_msg (enum iksubtype type, const char *to, const char *body);
-iks *iks_make_s10n (enum iksubtype type, const char *to, const char *msg);
-iks *iks_make_pres (enum ikshowtype show, const char *status);
-iks *iks_make_iq (enum iksubtype type, const char *xmlns);
-iks *iks_make_resource_bind(iksid *id);
-iks *iks_make_session(void);
-int iks_stream_features(iks *x);
-
-/*****  jabber packet filter  *****/
-
-#define IKS_RULE_DONE 0
-#define IKS_RULE_ID 1
-#define IKS_RULE_TYPE 2
-#define IKS_RULE_SUBTYPE 4
-#define IKS_RULE_FROM 8
-#define IKS_RULE_FROM_PARTIAL 16
-#define IKS_RULE_NS 32
-
-enum iksfilterret {
-	IKS_FILTER_PASS,
-	IKS_FILTER_EAT
-};
-
-typedef int (iksFilterHook)(void *user_data, ikspak *pak);
-
-struct iksfilter_struct;
-typedef struct iksfilter_struct iksfilter;
-struct iksrule_struct;
-typedef struct iksrule_struct iksrule;
-
-iksfilter *iks_filter_new (void);
-iksrule *iks_filter_add_rule (iksfilter *f, iksFilterHook *filterHook, void *user_data, ...);
-void iks_filter_remove_rule (iksfilter *f, iksrule *rule);
-void iks_filter_remove_hook (iksfilter *f, iksFilterHook *filterHook);
-void iks_filter_packet (iksfilter *f, ikspak *pak);
-void iks_filter_delete (iksfilter *f);
-
-/*****  sha1  *****/
-
-struct iksha_struct;
-typedef struct iksha_struct iksha;
-
-iksha *iks_sha_new (void);
-void iks_sha_reset (iksha *sha);
-void iks_sha_hash (iksha *sha, const unsigned char *data, size_t len, int finish);
-void iks_sha_print (iksha *sha, char *hash);
-void iks_sha_delete (iksha *sha);
-void iks_sha (const char *data, char *hash);
-
-/*****  md5  *****/
-
-struct ikmd5_struct;
-typedef struct iksmd5_struct iksmd5;
-
-iksmd5 *iks_md5_new(void);
-void iks_md5_reset(iksmd5 *md5);
-void iks_md5_hash(iksmd5 *md5, const unsigned char *data, size_t slen, int finish);
-void iks_md5_delete(iksmd5 *md5);
-void iks_md5_print(iksmd5 *md5, char *buf);
-void iks_md5_digest(iksmd5 *md5, unsigned char *digest);
-void iks_md5(const char *data, char *buf);
-
-/*****  base64  *****/
-
-char *iks_base64_decode(const char *buf);
-char *iks_base64_encode(const char *buf, int len);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif  /* IKSEMEL_H */
diff --git a/backend/impress/imposter.h b/backend/impress/imposter.h
deleted file mode 100644
index 50c87f2c..00000000
--- a/backend/impress/imposter.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/* imposter (OO.org Impress viewer)
-** Copyright (C) 2003-2005 Gurer Ozen
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU General Public License.
-*/
-
-#ifndef IMPOSTER_H
-#define IMPOSTER_H
-
-#include <sys/types.h>
-
-enum {
-	IMP_OK = 0,
-	IMP_NOMEM,
-	IMP_NOTZIP,
-	IMP_BADZIP,
-	IMP_BADDOC,
-	IMP_NOTIMP
-};
-
-struct ImpDoc_struct;
-typedef struct ImpDoc_struct ImpDoc;
-
-struct ImpPage_struct;
-typedef struct ImpPage_struct ImpPage;
-
-typedef struct ImpPointStruct {
-	int x;
-	int y;
-} ImpPoint;
-
-typedef struct ImpColorStruct {
-	int red;
-	int green;
-	int blue;
-} ImpColor;
-
-#define IMP_NORMAL 0
-#define IMP_BOLD 1
-#define IMP_ITALIC 2
-#define IMP_UNDERLINE 4
-
-typedef struct ImpDrawer_struct {
-	void (*get_size)(void *drw_data, int *w, int *h);
-	void (*set_fg_color)(void *drw_data, ImpColor *color);
-	void (*draw_line)(void *drw_data, int x1, int y1, int x2, int y2);
-	void (*draw_rect)(void *drw_data, int fill, int x, int y, int w, int h);
-	void (*draw_polygon)(void *drw_data, int fill, ImpPoint *pts, int nr_pts);
-	void (*draw_arc)(void *drw_data, int fill, int x, int y, int w, int h, int sa, int ea);
-	void (*draw_bezier)(void *drw_data, int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3);
-	void *(*open_image)(void *drw_data, const unsigned char *pix, size_t size);
-	void (*get_image_size)(void *drw_data, void *img_data, int *w, int *h);
-	void *(*scale_image)(void *drw_data, void *img_data, int w, int h);
-	void (*draw_image)(void *drw_data, void *img_data, int x, int y, int w, int h);
-	void (*close_image)(void *drw_data, void *img_data);
-	void (*get_text_size)(void *drw_data, const char *text, size_t len, int size, int styles, int *w, int *h);
-	void (*draw_text)(void *drw_data, int x, int y, const char *text, size_t len, int size, int styles);
-} ImpDrawer;
-
-struct ImpRenderCtx_struct;
-typedef struct ImpRenderCtx_struct ImpRenderCtx;
-
-#define IMP_LAST_PAGE -1
-
-ImpDoc *imp_open(const char *filename, int *err);
-int imp_nr_pages(ImpDoc *doc);
-ImpPage *imp_get_page(ImpDoc *doc, int page_no);
-void imp_close(ImpDoc *doc);
-
-void *imp_get_xml(ImpDoc *doc, const char *filename);
-
-ImpPage *imp_next_page(ImpPage *page);
-ImpPage *imp_prev_page(ImpPage *page);
-int imp_get_page_no(ImpPage *page);
-const char *imp_get_page_name(ImpPage *page);
-
-ImpRenderCtx *imp_create_context(const ImpDrawer *drw);
-void imp_context_set_page(ImpRenderCtx *ctx, ImpPage *page);
-void imp_context_set_step(ImpRenderCtx *ctx, int step);
-void imp_render(ImpRenderCtx *ctx, void *drw_data);
-void imp_delete_context(ImpRenderCtx *ctx);
-
-
-#endif	/* IMPOSTER_H */
diff --git a/backend/impress/impress-document.c b/backend/impress/impress-document.c
deleted file mode 100644
index 5254a881..00000000
--- a/backend/impress/impress-document.c
+++ /dev/null
@@ -1,548 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
-/*
- * Copyright (C) 2005, Jonathan Blandford <[email protected]>
- * Copyright (C) 2005, Bastien Nocera <[email protected]>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
-
-#include "config.h"
-
-#include <string.h>
-
-#include <glib/gi18n-lib.h>
-#include <gtk/gtk.h>
-
-#include "imposter.h"
-#include "impress-document.h"
-
-#include "ev-document-misc.h"
-#include "ev-document-thumbnails.h"
-
-struct _ImpressDocumentClass
-{
-  EvDocumentClass parent_class;
-};
-
-struct _ImpressDocument
-{
-  EvDocument parent_instance;
-
-  ImpDoc *imp;
-  ImpRenderCtx *ctx;
-
-  GMutex *mutex;
-  GdkPixmap *pixmap;
-  GdkGC *gc;
-  PangoContext *pango_ctx;
-
-  /* Only used while rendering inside the mainloop */
-  int pagenum;
-  GdkPixbuf *pixbuf;
-  GCond *cond;
-};
-
-#define PAGE_WIDTH 1024
-#define PAGE_HEIGHT 768
-
-typedef struct _ImpressDocumentClass ImpressDocumentClass;
-
-static void impress_document_document_thumbnails_iface_init (EvDocumentThumbnailsInterface *iface);
-
-EV_BACKEND_REGISTER_WITH_CODE (ImpressDocument, impress_document,
-		         {
-			   EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
-							   impress_document_document_thumbnails_iface_init);
-			 });
-
-/* Renderer */
-static void
-imp_render_draw_bezier_real (GdkDrawable *d, GdkGC *gc, int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3)
-{
-  int x, y, nx, ny;
-  int ax, bx, cx, ay, by, cy;
-  double t, t2, t3;
-
-  x = x0;
-  y = y0;
-
-  cx = 3 * (x1 - x0);
-  bx = 3 * (x2 - x1) - cx;
-  ax = x3 - x0 - cx - bx;
-  cy = 3 * (y1 - y0);
-  by = 3 * (y2 - y1) - cy;
-  ay = y3 - y0 - cy - by;
-
-  for (t = 0; t < 1; t += 0.01) {
-    t2 = t * t;
-    t3 = t2 * t;
-    nx = ax * t3 + bx * t2 + cx * t + x0;
-    ny = ay * t3 + by * t2 + cy * t + y0;
-    gdk_draw_line (d, gc, x, y, nx, ny);
-    x = nx;
-    y = ny;
-  }
-}
-
-static void
-imp_render_get_size(void *drw_data, int *w, int *h)
-{
-  ImpressDocument *impress_document = IMPRESS_DOCUMENT (drw_data);
-
-	#if GTK_CHECK_VERSION(3, 0, 0)
-		*w = gdk_window_get_width(impress_document->pixmap);
-		*h = gdk_window_get_height(impress_document->pixmap);
-	#else
-		gdk_drawable_get_size(impress_document->pixmap, w, h);
-	#endif
-}
-
-static void
-imp_render_set_fg_color(void *drw_data, ImpColor *color)
-{
-  ImpressDocument *impress_document = IMPRESS_DOCUMENT (drw_data);
-  GdkColor c;
-
-  c.red = color->red;
-  c.green = color->green;
-  c.blue = color->blue;
-  gdk_gc_set_rgb_fg_color(impress_document->gc, &c);
-}
-
-static void
-imp_render_draw_line(void *drw_data, int x1, int y1, int x2, int y2)
-{
-  ImpressDocument *impress_document = IMPRESS_DOCUMENT (drw_data);
-
-  gdk_draw_line(impress_document->pixmap, impress_document->gc, x1, y1, x2, y2);
-}
-
-static void
-imp_render_draw_rect(void *drw_data, int fill, int x, int y, int w, int h)
-{
-  ImpressDocument *impress_document = IMPRESS_DOCUMENT (drw_data);
-
-  gdk_draw_rectangle(impress_document->pixmap, impress_document->gc, fill, x, y, w, h);
-}
-
-static void
-imp_render_draw_polygon(void *drw_data, int fill, ImpPoint *pts, int nr_pts)
-{
-  ImpressDocument *impress_document = IMPRESS_DOCUMENT (drw_data);
-
-  gdk_draw_polygon(impress_document->pixmap, impress_document->gc, fill, (GdkPoint *)pts, nr_pts);
-}
-
-static void
-imp_render_draw_arc(void *drw_data, int fill, int x, int y, int w, int h, int sa, int ea)
-{
-  ImpressDocument *impress_document = IMPRESS_DOCUMENT (drw_data);
-
-  gdk_draw_arc(impress_document->pixmap, impress_document->gc, fill, x, y, w, h, sa * 64, ea * 64);
-}
-
-static void
-imp_render_draw_bezier(void *drw_data, int x0, int y0, int x1, int y1, int x2, int y2, int x3, int y3)
-{
-  ImpressDocument *impress_document = IMPRESS_DOCUMENT (drw_data);
-
-  imp_render_draw_bezier_real (impress_document->pixmap, impress_document->gc, x0, y0, x1, y1, x2, y2, x3, y3);
-}
-
-static void *
-imp_render_open_image(void *drw_data, const unsigned char *pix, size_t size)
-{
-  GdkPixbufLoader *gpl;
-  GdkPixbuf *pb;
-
-  gpl = gdk_pixbuf_loader_new();
-  gdk_pixbuf_loader_write(gpl, pix, size, NULL);
-  gdk_pixbuf_loader_close(gpl, NULL);
-  pb = gdk_pixbuf_loader_get_pixbuf(gpl);
-  return pb;
-}
-
-static void
-imp_render_get_image_size(void *drw_data, void *img_data, int *w, int *h)
-{
-  GdkPixbuf *pb = (GdkPixbuf *) img_data;
-
-  *w = gdk_pixbuf_get_width(pb);
-  *h = gdk_pixbuf_get_height(pb);
-}
-
-static void *
-imp_render_scale_image(void *drw_data, void *img_data, int w, int h)
-{
-  GdkPixbuf *pb = (GdkPixbuf *) img_data;
-
-  return gdk_pixbuf_scale_simple(pb, w, h, GDK_INTERP_BILINEAR);
-}
-
-static void
-imp_render_draw_image(void *drw_data, void *img_data, int x, int y, int w, int h)
-{
-  ImpressDocument *impress_document = IMPRESS_DOCUMENT (drw_data);
-  GdkPixbuf *pb = (GdkPixbuf *) img_data;
-
-  gdk_draw_pixbuf(impress_document->pixmap, impress_document->gc, pb, 0, 0, x, y, w, h, GDK_RGB_DITHER_NONE, 0, 0);
-}
-
-static void
-imp_render_close_image(void *drw_data, void *img_data)
-{
-  GdkPixbuf *pb = (GdkPixbuf *) img_data;
-
-  g_object_unref(G_OBJECT(pb));
-}
-
-static char *
-imp_render_markup(const char *text, size_t len, int styles, int size)
-{
-  double scr_mm, scr_px, dpi;
-  char *esc;
-  char *ret;
-  int sz;
-
-  scr_mm = gdk_screen_get_height_mm(gdk_screen_get_default());
-  scr_px = gdk_screen_get_height(gdk_screen_get_default());
-  dpi = (scr_px / scr_mm) * 25.4;
-  sz = (int) ((double) size * 72.0 * PANGO_SCALE / dpi);
-  esc = g_markup_escape_text(text, len);
-  ret = g_strdup_printf("<span size ='%d'>%s</span>", sz, esc);
-  g_free(esc);
-  return ret;
-}
-
-static void
-imp_render_get_text_size(void *drw_data, const char *text, size_t len, int size, int styles, int *w, int *h)
-{
-  ImpressDocument *impress_document = IMPRESS_DOCUMENT (drw_data);
-  PangoLayout *lay;
-  int pw, ph;
-  char *m;
-
-  g_return_if_fail (impress_document->pango_ctx != NULL);
-
-  lay = pango_layout_new(impress_document->pango_ctx);
-  m = imp_render_markup(text, len, styles, size);
-  pango_layout_set_markup(lay, m, strlen(m));
-  pango_layout_get_size(lay, &pw, &ph);
-  g_object_unref(lay);
-  g_free(m);
-  *w = pw / PANGO_SCALE;
-  *h = ph / PANGO_SCALE;
-}
-
-static void
-imp_render_draw_text(void *drw_data, int x, int y, const char *text, size_t len, int size, int styles)
-{
-  ImpressDocument *impress_document = IMPRESS_DOCUMENT (drw_data);
-  PangoLayout *lay;
-  char *m;
-
-  g_return_if_fail (impress_document->pango_ctx != NULL);
-
-  lay = pango_layout_new(impress_document->pango_ctx);
-  m = imp_render_markup(text, len, styles, size);
-  pango_layout_set_markup(lay, m, strlen(m));
-  gdk_draw_layout(impress_document->pixmap, impress_document->gc, x, y, lay);
-  g_object_unref(lay);
-  g_free(m);
-}
-
-static const ImpDrawer imp_render_functions = {
-  imp_render_get_size,
-  imp_render_set_fg_color,
-  imp_render_draw_line,
-  imp_render_draw_rect,
-  imp_render_draw_polygon,
-  imp_render_draw_arc,
-  imp_render_draw_bezier,
-  imp_render_open_image,
-  imp_render_get_image_size,
-  imp_render_scale_image,
-  imp_render_draw_image,
-  imp_render_close_image,
-  imp_render_get_text_size,
-  imp_render_draw_text
-};
-
-/* Document interface */
-static gboolean
-impress_document_load (EvDocument  *document,
-		    const char  *uri,
-		    GError     **error)
-{
-  ImpressDocument *impress_document = IMPRESS_DOCUMENT (document);
-  gchar *filename;
-  ImpDoc *imp;
-  int err;
-
-  /* FIXME: Could we actually load uris ? */
-  filename = g_filename_from_uri (uri, NULL, error);
-  if (!filename)
-    return FALSE;
-
-  imp = imp_open (filename, &err);
-  g_free (filename);
-
-  if (!imp)
-    {
-      g_set_error_literal (error,
-                           EV_DOCUMENT_ERROR,
-                           EV_DOCUMENT_ERROR_INVALID,
-                           _("Invalid document"));
-      return FALSE;
-    }
-  impress_document->imp = imp;
-
-  return TRUE;
-}
-
-static gboolean
-impress_document_save (EvDocument  *document,
-                       const char  *uri,
-                       GError     **error)
-{
-        g_set_error_literal (error,
-                             EV_DOCUMENT_ERROR,
-                             EV_DOCUMENT_ERROR_INVALID,
-                             "Not supported");
-	return FALSE;
-}
-
-static int
-impress_document_get_n_pages (EvDocument  *document)
-{
-  ImpressDocument *impress_document = IMPRESS_DOCUMENT (document);
-
-  g_return_val_if_fail (IMPRESS_IS_DOCUMENT (document), 0);
-  g_return_val_if_fail (impress_document->imp != NULL, 0);
-
-  return imp_nr_pages (impress_document->imp);
-}
-
-static void
-impress_document_get_page_size (EvDocument   *document,
-				EvPage       *page,
-				double       *width,
-				double       *height)
-{
-  ImpressDocument *impress_document = IMPRESS_DOCUMENT (document);
-
-  g_return_if_fail (IMPRESS_IS_DOCUMENT (document));
-  g_return_if_fail (impress_document->imp != NULL);
-
-  //FIXME
-  *width = PAGE_WIDTH;
-  *height = PAGE_HEIGHT;
-}
-
-static gboolean
-imp_render_get_from_drawable (ImpressDocument *impress_document)
-{
-  ImpPage *page;
-
-  page = imp_get_page (impress_document->imp, impress_document->pagenum);
-
-  g_return_val_if_fail (page != NULL, FALSE);
-
-  ev_document_doc_mutex_lock ();
-  imp_context_set_page (impress_document->ctx, page);
-  imp_render (impress_document->ctx, impress_document);
-  ev_document_doc_mutex_unlock ();
-
-  impress_document->pixbuf = gdk_pixbuf_get_from_drawable (NULL,
-					 GDK_DRAWABLE (impress_document->pixmap),
-					 NULL,
-					 0, 0,
-					 0, 0,
-					 PAGE_WIDTH, PAGE_HEIGHT);
-
-  g_cond_broadcast (impress_document->cond);
-  return FALSE;
-}
-
-static GdkPixbuf *
-impress_document_render_pixbuf (EvDocument      *document,
-				EvRenderContext *rc)
-{
-  ImpressDocument *impress_document = IMPRESS_DOCUMENT (document);
-  GdkPixbuf       *pixbuf;
-
-  g_return_val_if_fail (IMPRESS_IS_DOCUMENT (document), NULL);
-  g_return_val_if_fail (impress_document->imp != NULL, NULL);
-
-  impress_document->pagenum = rc->page->index;
-
-  g_mutex_lock (impress_document->mutex);
-  impress_document->cond = g_cond_new ();
-
-  ev_document_fc_mutex_unlock ();
-  ev_document_doc_mutex_unlock ();
-  g_idle_add ((GSourceFunc) imp_render_get_from_drawable, impress_document);
-  g_cond_wait (impress_document->cond, impress_document->mutex);
-  g_cond_free (impress_document->cond);
-  ev_document_doc_mutex_lock ();
-  ev_document_fc_mutex_lock ();
-
-  g_mutex_unlock (impress_document->mutex);
-
-  pixbuf = impress_document->pixbuf;
-  impress_document->pixbuf = NULL;
-
-  return pixbuf;
-}
-
-static cairo_surface_t *
-impress_document_render (EvDocument      *document,
-			 EvRenderContext *rc)
-{
-  GdkPixbuf *pixbuf;
-  cairo_surface_t *surface, *scaled_surface;
-
-  pixbuf = impress_document_render_pixbuf (document, rc);
-
-  /* FIXME: impress backend should be ported to cairo */
-  surface = ev_document_misc_surface_from_pixbuf (pixbuf);
-  g_object_unref (pixbuf);
-
-  scaled_surface = ev_document_misc_surface_rotate_and_scale (surface,
-							      (PAGE_WIDTH * rc->scale) + 0.5,
-							      (PAGE_HEIGHT * rc->scale) + 0.5,
-							      rc->rotation);
-  cairo_surface_destroy (surface);
-
-  return scaled_surface;
-}
-
-static void
-impress_document_finalize (GObject *object)
-{
-  ImpressDocument *impress_document = IMPRESS_DOCUMENT (object);
-
-  if (impress_document->mutex)
-    g_mutex_free (impress_document->mutex);
-
-  if (impress_document->imp)
-    imp_close (impress_document->imp);
-
-  if (impress_document->ctx)
-    imp_delete_context (impress_document->ctx);
-
-  if (impress_document->pango_ctx)
-    g_object_unref (impress_document->pango_ctx);
-
-  if (impress_document->pixmap)
-    g_object_unref (G_OBJECT (impress_document->pixmap));
-
-  if (impress_document->gc)
-    g_object_unref (impress_document->gc);
-
-  G_OBJECT_CLASS (impress_document_parent_class)->finalize (object);
-}
-
-static void
-impress_document_class_init (ImpressDocumentClass *klass)
-{
-  GObjectClass    *gobject_class = G_OBJECT_CLASS (klass);
-  EvDocumentClass *ev_document_class = EV_DOCUMENT_CLASS (klass);
-
-  gobject_class->finalize = impress_document_finalize;
-
-  ev_document_class->load = impress_document_load;
-  ev_document_class->save = impress_document_save;
-  ev_document_class->get_n_pages = impress_document_get_n_pages;
-  ev_document_class->get_page_size = impress_document_get_page_size;
-  ev_document_class->render = impress_document_render;
-}
-
-static GdkPixbuf *
-impress_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document,
-					   EvRenderContext      *rc,
-					   gboolean              border)
-{
-  GdkPixbuf *pixbuf;
-  GdkPixbuf *scaled_pixbuf;
-
-  pixbuf = impress_document_render_pixbuf (EV_DOCUMENT (document), rc);
-  scaled_pixbuf = gdk_pixbuf_scale_simple (pixbuf,
-					   (PAGE_WIDTH * rc->scale),
-					   (PAGE_HEIGHT * rc->scale),
-					   GDK_INTERP_BILINEAR);
-  g_object_unref (pixbuf);
-
-  if (border)
-    {
-      GdkPixbuf *tmp_pixbuf = scaled_pixbuf;
-
-      scaled_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, tmp_pixbuf);
-      g_object_unref (tmp_pixbuf);
-    }
-
-  return scaled_pixbuf;
-}
-
-static void
-impress_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
-					    EvRenderContext      *rc,
-					    gint                 *width,
-					    gint                 *height)
-{
-  gdouble page_width, page_height;
-
-  impress_document_get_page_size (EV_DOCUMENT (document),
-				  rc->page,
-				  &page_width, &page_height);
-
-  if (rc->rotation == 90 || rc->rotation == 270)
-    {
-      *width = (gint) (page_height * rc->scale);
-      *height = (gint) (page_width * rc->scale);
-    }
-  else
-    {
-      *width = (gint) (page_width * rc->scale);
-      *height = (gint) (page_height * rc->scale);
-    }
-}
-
-static void
-impress_document_document_thumbnails_iface_init (EvDocumentThumbnailsInterface *iface)
-{
-  iface->get_thumbnail = impress_document_thumbnails_get_thumbnail;
-  iface->get_dimensions = impress_document_thumbnails_get_dimensions;
-}
-
-static void
-impress_document_init (ImpressDocument *impress_document)
-{
-  GdkWindow *window;
-
-  impress_document->mutex = g_mutex_new ();
-  impress_document->ctx = imp_create_context(&imp_render_functions);
-
-  window = gdk_screen_get_root_window (gdk_screen_get_default ());
-
-  impress_document->pixmap = gdk_pixmap_new (window,
-					     PAGE_WIDTH, PAGE_HEIGHT, -1);
-  impress_document->gc = gdk_gc_new (impress_document->pixmap);
-  impress_document->pango_ctx = gdk_pango_context_get_for_screen (gdk_screen_get_default ());
-}
-
-/*
- * vim: sw=2 ts=8 cindent noai bs=2
- */
diff --git a/backend/impress/impress-document.h b/backend/impress/impress-document.h
deleted file mode 100644
index ac6469c9..00000000
--- a/backend/impress/impress-document.h
+++ /dev/null
@@ -1,39 +0,0 @@
-
-/* pdfdocument.h: Implementation of EvDocument for impresss
- * Copyright (C) 2005, Jonathan Blandford <[email protected]>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
-
-#ifndef __IMPRESS_DOCUMENT_H__
-#define __IMPRESS_DOCUMENT_H__
-
-#include "ev-document.h"
-
-G_BEGIN_DECLS
-
-#define IMPRESS_TYPE_DOCUMENT             (impress_document_get_type ())
-#define IMPRESS_DOCUMENT(obj)             (G_TYPE_CHECK_INSTANCE_CAST ((obj), IMPRESS_TYPE_DOCUMENT, ImpressDocument))
-#define IMPRESS_IS_DOCUMENT(obj)          (G_TYPE_CHECK_INSTANCE_TYPE ((obj), IMPRESS_TYPE_DOCUMENT))
-
-typedef struct _ImpressDocument ImpressDocument;
-
-GType                 impress_document_get_type (void) G_GNUC_CONST;
-
-G_MODULE_EXPORT GType register_atril_backend   (GTypeModule *module);
-     
-G_END_DECLS
-
-#endif /* __IMPRESS_DOCUMENT_H__ */
diff --git a/backend/impress/impressdocument.atril-backend.in b/backend/impress/impressdocument.atril-backend.in
deleted file mode 100644
index 074c1afd..00000000
--- a/backend/impress/impressdocument.atril-backend.in
+++ /dev/null
@@ -1,4 +0,0 @@
-[Atril Backend]
-Module=impressdocument
-_TypeDescription=Impress Slides
-MimeType=application/vnd.sun.xml.impress;application/vnd.oasis.opendocument.presentation;
diff --git a/backend/impress/internal.h b/backend/impress/internal.h
deleted file mode 100644
index eb99c3ec..00000000
--- a/backend/impress/internal.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/* imposter (OO.org Impress viewer)
-** Copyright (C) 2003-2005 Gurer Ozen
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU General Public License.
-*/
-
-#include "zip.h"
-
-#ifndef INTERNAL_H
-#define INTERNAL_H
-
-struct ImpDoc_struct {
-	ikstack *stack;
-	zip *zfile;
-	iks *content;
-	iks *styles;
-	iks *meta;
-	ImpPage *pages;
-	ImpPage *last_page;
-	int nr_pages;
-	void (*get_geometry)(ImpRenderCtx *ctx);
-	void (*render_page)(ImpRenderCtx *ctx, void *drw_data);
-};
-
-struct ImpPage_struct {
-	struct ImpPage_struct *next;
-	struct ImpPage_struct *prev;
-	ImpDoc *doc;
-	iks *page;
-	const char *name;
-	int nr;
-};
-
-struct ImpRenderCtx_struct {
-	const ImpDrawer *drw;
-	ImpPage *page;
-	iks *content;
-	iks *styles;
-	iks *last_element;
-	int step;
-	int pix_w, pix_h;
-	double cm_w, cm_h;
-	double fact_x, fact_y;
-};
-
-char *r_get_style (ImpRenderCtx *ctx, iks *node, char *attr);
-int r_get_color(ImpRenderCtx *ctx, iks *node, char *name, ImpColor *ic);
-void r_parse_color(const char *color, ImpColor *ic);
-int r_get_x (ImpRenderCtx *ctx, iks *node, char *name);
-int r_get_y (ImpRenderCtx *ctx, iks *node, char *name);
-int r_get_angle (iks *node, char *name, int def);
-
-enum {
-	IMP_LE_NONE = 0,
-	IMP_LE_ARROW,
-	IMP_LE_SQUARE,
-	IMP_LE_DIMENSION,
-	IMP_LE_DOUBLE_ARROW,
-	IMP_LE_SMALL_ARROW,
-	IMP_LE_ROUND_ARROW,
-	IMP_LE_SYM_ARROW,
-	IMP_LE_LINE_ARROW,
-	IMP_LE_ROUND_LARGE_ARROW,
-	IMP_LE_CIRCLE,
-	IMP_LE_SQUARE_45,
-	IMP_LE_CONCAVE_ARROW
-};
-
-void _imp_draw_rect(ImpRenderCtx *ctx, void *drw_data, int fill, int x, int y, int w, int h, int round);
-void _imp_draw_line_end(ImpRenderCtx *ctx, void *drw_data, int type, int size, int x, int y, int x2, int y2);
-void _imp_draw_image(ImpRenderCtx *ctx, void *drw_data, const char *name, int x, int y, int w, int h);
-void _imp_tile_image(ImpRenderCtx *ctx, void *drw_data, const char *name, int x, int y, int w, int h);
-
-int _imp_fill_back(ImpRenderCtx *ctx, void *drw_data, iks *node);
-void r_text(ImpRenderCtx *ctx, void *drw_data, iks *node);
-void r_polygon(ImpRenderCtx *ctx, void *drw_data, iks *node);
-void r_circle(ImpRenderCtx *ctx, void *drw_data, iks *node);
-void r_polyline(ImpRenderCtx *ctx, void *drw_data, iks *node);
-void r_draw_gradient (ImpRenderCtx *ctx, void *drw_data, iks *node);
-
-int _imp_oo13_load(ImpDoc *doc);
-int _imp_oasis_load(ImpDoc *doc);
-
-
-#endif	/* INTERNAL_H */
diff --git a/backend/impress/r_back.c b/backend/impress/r_back.c
deleted file mode 100644
index 3f050d9e..00000000
--- a/backend/impress/r_back.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/* imposter (OO.org Impress viewer)
-** Copyright (C) 2003-2005 Gurer Ozen
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU General Public License.
-*/
-
-#include <config.h>
-#include "common.h"
-#include "internal.h"
-
-int
-_imp_fill_back(ImpRenderCtx *ctx, void *drw_data, iks *node)
-{
-	ImpColor col;
-	char *type;
-	char *stil, *gfx;
-	iks *x;
-
-	type = r_get_style(ctx, node, "draw:fill");
-	if (type == 0) return 0;
-
-	if (strcmp(type, "solid") == 0) {
-		if (r_get_color(ctx, node, "draw:fill-color", &col)) {
-			ctx->drw->set_fg_color(drw_data, &col);
-		}
-		ctx->drw->draw_rect(drw_data, 1, 0, 0, ctx->pix_w, ctx->pix_h);
-	} else if (strcmp (type, "bitmap") == 0) {
-		stil = r_get_style(ctx, node, "draw:fill-image-name");
-		x = iks_find_with_attrib(iks_find(ctx->styles, "office:styles"),
-			"draw:fill-image", "draw:name", stil
-		);
-		gfx = iks_find_attrib(x, "xlink:href");
-		if (gfx) {
-			if (iks_strcmp(r_get_style(ctx, node, "style:repeat"), "stretch") == 0) {
-				_imp_draw_image(ctx, drw_data, gfx, 0, 0, ctx->pix_w, ctx->pix_h);
-			} else {
-				_imp_tile_image(ctx, drw_data, gfx, 0, 0, ctx->pix_w, ctx->pix_h);
-			}
-		}
-	} else if (strcmp(type, "gradient") == 0) {
-		r_draw_gradient(ctx, drw_data, node);
-	} else {
-		return 0;
-	}
-	return 1;
-}
diff --git a/backend/impress/r_draw.c b/backend/impress/r_draw.c
deleted file mode 100644
index aad1655e..00000000
--- a/backend/impress/r_draw.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/* imposter (OO.org Impress viewer)
-** Copyright (C) 2003-2005 Gurer Ozen
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU General Public License.
-*/
-
-#include <config.h>
-#include "common.h"
-#include "internal.h"
-#include <math.h>
-
-void
-_imp_draw_rect(ImpRenderCtx *ctx, void *drw_data, int fill, int x, int y, int w, int h, int round)
-{
-	int a;
-
-	if (0 == round) {
-		ctx->drw->draw_rect(drw_data, fill, x, y, w, h);
-		return;
-	}
-
-	ctx->drw->draw_arc(drw_data, fill,
-		x, y, round, round, 90, 90);
-	ctx->drw->draw_arc(drw_data, fill,
-		x + w - round, y, round, round, 0, 90);
-	ctx->drw->draw_arc(drw_data, fill,
-		x + w - round, y + h - round, round, round, 270, 90);
-	ctx->drw->draw_arc(drw_data, fill,
-		x, y + h - round, round, round, 180, 90);
-
-	a = round / 2;
-	if (fill) {
-		ctx->drw->draw_rect(drw_data, 1, x + a, y, w - a - a, h);
-		ctx->drw->draw_rect(drw_data, 1, x, y + a, w, h - a - a);
-		return;
-	}
-	ctx->drw->draw_line(drw_data, x + a, y, x + w - a, y);
-	ctx->drw->draw_line(drw_data, x + a, y + h, x + w - a, y + h);
-	ctx->drw->draw_line(drw_data, x, y + a, x, y + h - a);
-	ctx->drw->draw_line(drw_data, x + w, y + a, x + w, y + h - a);
-}
-
-void
-_imp_draw_line_end(ImpRenderCtx *ctx, void *drw_data, int type, int size, int x, int y, int x2, int y2)
-{
-	ImpPoint pts[4];
-	double ia, a;
-
-	// FIXME: different types and sizes
-
-	pts[0].x = x2;
-	pts[0].y = y2;
-
-	ia = 20 * 3.14 * 2 / 360;
-
-	if (x2-x == 0) {
-		if (y < y2) a = 3.14 + (3.14 / 2); else a = (3.14 / 2);
-	} else if (y2-y == 0) {
-		if (x < x2) a = 3.14; else a = 0;
-	} else
-		a = atan ((y2-y) / (x2-x)) - 3.14;
-
-	pts[1].x = x2 + 0.3 * ctx->fact_x * cos (a - ia);
-	pts[1].y = y2 + 0.3 * ctx->fact_y * sin (a - ia);
-
-	pts[2].x = x2 + 0.3 * ctx->fact_x * cos (a + ia);
-	pts[2].y = y2 + 0.3 * ctx->fact_y * sin (a + ia);
-
-	ctx->drw->draw_polygon(drw_data, 1, pts, 3);
-}
-
-void
-_imp_draw_image(ImpRenderCtx *ctx, void *drw_data, const char *name, int x, int y, int w, int h)
-{
-	void *img1, *img2;
-	char *pix;
-	size_t len;
-
-	len = zip_get_size(ctx->page->doc->zfile, name);
-	pix = malloc(len);
-	if (!pix) return;
-	zip_load(ctx->page->doc->zfile, name, pix);
-
-	img1 = ctx->drw->open_image(drw_data, pix, len);
-	free(pix);
-	if (!img1) return;
-	img2 = ctx->drw->scale_image(drw_data, img1, w, h);
-	if (img2) {
-		ctx->drw->draw_image(drw_data, img2, x, y, w, h);
-		ctx->drw->close_image(drw_data, img2);
-	}
-	ctx->drw->close_image(drw_data, img1);
-}
-
-void
-_imp_tile_image(ImpRenderCtx *ctx, void *drw_data, const char *name, int x, int y, int w, int h)
-{
-	void *img1;
-	char *pix;
-	size_t len;
-	int gx, gy, gw, gh;
-
-	len = zip_get_size(ctx->page->doc->zfile, name);
-	pix = malloc(len);
-	if (!pix) return;
-	zip_load(ctx->page->doc->zfile, name, pix);
-
-	img1 = ctx->drw->open_image(drw_data, pix, len);
-	free(pix);
-	if (!img1) return;
-
-	ctx->drw->get_image_size(drw_data, img1, &gw, &gh);
-	for (gx = x; gx < w; gx += gw) {
-		for (gy = y; gy < h; gy += gh) {
-			ctx->drw->draw_image(drw_data, img1, gx, gy, gw, gh);
-		}
-	}
-
-	ctx->drw->close_image(drw_data, img1);
-}
diff --git a/backend/impress/r_geometry.c b/backend/impress/r_geometry.c
deleted file mode 100644
index 4819821a..00000000
--- a/backend/impress/r_geometry.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/* imposter (OO.org Impress viewer)
-** Copyright (C) 2003-2005 Gurer Ozen
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU General Public License.
-*/
-
-#include <config.h>
-#include "common.h"
-#include "internal.h"
-#include <math.h>
-
-void
-r_parse_color(const char *color, ImpColor *ic)
-{
-	unsigned int cval;
-
-	if (1 != sscanf(color, "#%X", &cval)) return;
-
-	ic->red = (cval & 0xFF0000) >> 8;
-	ic->green = cval & 0x00FF00;
-	ic->blue = (cval & 0xFF) << 8;
-}
-
-int
-r_get_color(ImpRenderCtx *ctx, iks *node, char *name, ImpColor *ic)
-{
-	char *color;
-
-	color = r_get_style(ctx, node, name);
-	if (!color) return 0;
-	r_parse_color(color, ic);
-
-	return 1;
-}
-
-static void
-fg_color(ImpRenderCtx *ctx, void *drw_data, iks *node, char *name)
-{
-	ImpColor ic;
-
-	if (r_get_color(ctx, node, name, &ic)) {
-		ctx->drw->set_fg_color(drw_data, &ic);
-	}
-}
-
-int
-r_get_x (ImpRenderCtx *ctx, iks *node, char *name)
-{
-	char *val;
-
-	val = iks_find_attrib (node, name);
-	if (!val) return 0;
-	return atof (val) * ctx->fact_x;
-}
-
-int
-r_get_y (ImpRenderCtx *ctx, iks *node, char *name)
-{
-	char *val;
-
-	val = iks_find_attrib (node, name);
-	if (!val) return 0;
-	return atof (val) * ctx->fact_y;
-}
-
-int
-r_get_angle (iks *node, char *name, int def)
-{
-	char *tmp;
-
-	tmp = iks_find_attrib (node, name);
-	if (!tmp) return def;
-	return atof (tmp);
-}
-
-static int x, y, w, h;
-static int px, py, pw, ph;
-
-static void
-r_get_viewbox (iks *node)
-{
-	char *tmp;
-
-	tmp = iks_find_attrib (node, "svg:viewBox");
-	if (!tmp) return;
-	sscanf (tmp, "%d %d %d %d", &px, &py, &pw, &ph);
-}
-
-void
-r_polygon(ImpRenderCtx *ctx, void *drw_data, iks *node)
-{
-	char *data;
-	ImpPoint *points;
-	int i, cnt, j;
-	int num;
-	int fill = 1;
-
-	data = r_get_style (ctx, node, "draw:fill");
-	if (!data || strcmp (data, "solid") != 0) fill = 0;
-
-	x = r_get_x (ctx, node, "svg:x");
-	y = r_get_y (ctx, node, "svg:y");
-	w = r_get_x (ctx, node, "svg:width");
-	h = r_get_y (ctx, node, "svg:height");
-	r_get_viewbox (node);
-
-	data = iks_find_attrib (node, "draw:points");
-	points = malloc (sizeof (ImpPoint) * strlen (data) / 4);
-
-	cnt = 0;
-	j = 0;
-	num = -1;
-	for (i = 0; data[i]; i++) {
-		if (data[i] >= '0' && data[i] <= '9') {
-			if (num == -1) num = i;
-		} else {
-			if (num != -1) {
-				if (j == 0) {
-					points[cnt].x = atoi (data + num);
-					j = 1;
-				} else {
-					points[cnt++].y = atoi (data + num);
-					j = 0;
-				}
-				num = -1;
-			}
-		}
-	}
-	if (num != -1) {
-		if (j == 0) {
-			points[cnt].x = atoi (data + num);
-		} else {
-			points[cnt++].y = atoi (data + num);
-		}
-	}
-	for (i = 0; i < cnt; i++) {
-		points[i].x = x + points[i].x * w / pw;
-		points[i].y = y + points[i].y * h / ph;
-	}
-
-	if (fill) {
-		fg_color(ctx, drw_data, node, "draw:fill-color");
-		ctx->drw->draw_polygon(drw_data, 1, points, cnt);
-	}
-	fg_color(ctx, drw_data, node, "svg:stroke-color");
-	ctx->drw->draw_polygon(drw_data, 0, points, cnt);
-
-	free (points);
-}
-
-void
-r_polyline(ImpRenderCtx *ctx, void *drw_data, iks *node)
-{
-	char *data;
-	ImpPoint *points;
-	int i, cnt, j;
-	int num;
-	int pen_x, pen_y;
-
-	x = r_get_x (ctx, node, "svg:x");
-	y = r_get_y (ctx, node, "svg:y");
-	w = r_get_x (ctx, node, "svg:width");
-	h = r_get_y (ctx, node, "svg:height");
-	r_get_viewbox (node);
-
-	data = iks_find_attrib (node, "draw:points");
-	points = malloc (sizeof (ImpPoint) * strlen (data) / 4);
-
-	cnt = 0;
-	j = 0;
-	num = -1;
-	for (i = 0; data[i]; i++) {
-		if (data[i] >= '0' && data[i] <= '9') {
-			if (num == -1) num = i;
-		} else {
-			if (num != -1) {
-				if (j == 0) {
-					points[cnt].x = atoi (data + num);
-					j = 1;
-				} else {
-					points[cnt++].y = atoi (data + num);
-					j = 0;
-				}
-				num = -1;
-			}
-		}
-	}
-	if (num != -1) {
-		if (j == 0) {
-			points[cnt].x = atoi (data + num);
-		} else {
-			points[cnt++].y = atoi (data + num);
-		}
-	}
-
-	pen_x = x + points[0].x * w /pw;
-	pen_y = y + points[0].y * h / ph;
-	fg_color(ctx, drw_data, node, "svg:stroke-color");
-	for (i = 1; i < cnt; i++) {
-		int tx, ty;
-		tx = x + points[i].x * w / pw;
-		ty = y + points[i].y * h / ph;
-		ctx->drw->draw_line(drw_data, pen_x, pen_y, tx, ty);
-		pen_x = tx;
-		pen_y = ty;
-	}
-	free (points);
-}
diff --git a/backend/impress/r_gradient.c b/backend/impress/r_gradient.c
deleted file mode 100644
index 79636fe2..00000000
--- a/backend/impress/r_gradient.c
+++ /dev/null
@@ -1,387 +0,0 @@
-/* imposter (OO.org Impress viewer)
-** Copyright (C) 2003-2005 Gurer Ozen
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU General Public License.
-*/
-
-#include <config.h>
-#include "common.h"
-#include "internal.h"
-#include <math.h>
-
-#define GRAD_LINEAR 0
-#define GRAD_AXIAL 1
-#define GRAD_SQUARE 2
-#define GRAD_RECTANGULAR 3
-#define GRAD_RADIAL 4
-#define GRAD_ELLIPTICAL 5
-
-typedef struct Gradient_s {
-	int type;
-	ImpColor start;
-	int start_intensity;
-	ImpColor end;
-	int end_intensity;
-	int angle;
-	int border;
-	int steps;
-	int offset_x;
-	int offset_y;
-} Gradient;
-
-typedef struct Rectangle_s {
-	int Left;
-	int Top;
-	int Right;
-	int Bottom;
-} Rectangle;
-
-static void
-poly_rotate (ImpPoint *poly, int n, int cx, int cy, double fAngle)
-{
-	int i;
-	long nX, nY;
-
-	for (i = 0; i < n; i++) {
-		nX = poly->x - cx;
-		nY = poly->y - cy;
-		poly->x = (cos(fAngle) * nX + sin(fAngle) * nY) + cx;
-		poly->y = - (sin(fAngle)* nX - cos(fAngle) * nY) + cy;
-		poly++;
-	}
-}
-
-static void
-r_draw_gradient_simple (ImpRenderCtx *ctx, void *drw_data, Gradient *grad)
-{
-	Rectangle rRect = { 0, 0, ctx->pix_w - 1, ctx->pix_h - 1 };
-	Rectangle aRect, aFullRect;
-	ImpPoint poly[4], tempoly[2];
-	ImpColor gcol;
-	double fW, fH, fDX, fDY, fAngle;
-	double fScanLine, fScanInc;
-	long redSteps, greenSteps, blueSteps;
-	long nBorder;
-	int i, nSteps, nSteps2;
-	int cx, cy;
-
-	cx = rRect.Left + (rRect.Right - rRect.Left) / 2;
-	cy = rRect.Top + (rRect.Bottom - rRect.Top) / 2;
-
-	aRect = rRect;
-	aRect.Top--; aRect.Left--; aRect.Bottom++; aRect.Right++;
-	fW = rRect.Right - rRect.Left;
-	fH = rRect.Bottom - rRect.Top;
-	fAngle = (((double) grad->angle) * 3.14 / 1800.0);
-	fDX = fW * fabs (cos (fAngle)) + fH * fabs (sin (fAngle));
-	fDY = fH * fabs (cos (fAngle)) + fW * fabs (sin (fAngle));
-	fDX = (fDX - fW) * 0.5 - 0.5;
-	fDY = (fDY - fH) * 0.5 - 0.5;
-	aRect.Left -= fDX;
-	aRect.Right += fDX;
-	aRect.Top -= fDY;
-	aRect.Bottom += fDY;
-	aFullRect = aRect;
-
-	nBorder = grad->border * (aRect.Bottom - aRect.Top) / 100;
-	if (grad->type == GRAD_LINEAR) {
-		aRect.Top += nBorder;
-	} else {
-		nBorder >>= 1;
-		aRect.Top += nBorder;
-		aRect.Bottom -= nBorder;
-	}
-
-	if (aRect.Top > (aRect.Bottom - 1))
-		aRect.Top = aRect.Bottom - 1;
-
-	poly[0].x = aFullRect.Left;
-	poly[0].y = aFullRect.Top;
-	poly[1].x = aFullRect.Right;
-	poly[1].y = aFullRect.Top;
-	poly[2].x = aRect.Right;
-	poly[2].y = aRect.Top;
-	poly[3].x = aRect.Left;
-	poly[3].y = aRect.Top;
-	poly_rotate (&poly[0], 4, cx, cy, fAngle);
-
-	redSteps = grad->end.red - grad->start.red;
-	greenSteps = grad->end.green - grad->start.green;
-	blueSteps = grad->end.blue - grad->start.blue;
-	nSteps = grad->steps;
-	if (nSteps == 0) {
-		long mr;
-		mr = aRect.Bottom - aRect.Top;
-		if (mr < 50)
-			nSteps = mr / 2;
-		else
-			nSteps = mr / 4;
-		mr = abs(redSteps);
-		if (abs(greenSteps) > mr) mr = abs(greenSteps);
-		if (abs(blueSteps) > mr) mr = abs(blueSteps);
-		if (mr < nSteps) nSteps = mr;
-	}
-
-	if (grad->type == GRAD_AXIAL) {
-		if (nSteps & 1) nSteps++;
-		nSteps2 = nSteps + 2;
-		gcol = grad->end;
-		redSteps <<= 1;
-		greenSteps <<= 1;
-		blueSteps <<= 1;
-	} else {
-		nSteps2 = nSteps + 1;
-		gcol = grad->start;
-	}
-
-	fScanLine = aRect.Top;
-	fScanInc  = (double)(aRect.Bottom - aRect.Top) / (double)nSteps;
-
-	for (i = 0; i < nSteps2; i++) {
-		// draw polygon
-		ctx->drw->set_fg_color(drw_data, &gcol);
-		ctx->drw->draw_polygon(drw_data, 1, &poly[0], 4);
-		// calc next polygon
-		aRect.Top = (long)(fScanLine += fScanInc);
-		if (i == nSteps) {
-			tempoly[0].x = aFullRect.Left;
-			tempoly[0].y = aFullRect.Bottom;
-			tempoly[1].x = aFullRect.Right;
-			tempoly[1].y = aFullRect.Bottom;
-		} else {
-			tempoly[0].x = aRect.Left;
-			tempoly[0].y = aRect.Top;
-			tempoly[1].x = aRect.Right;
-			tempoly[1].y = aRect.Top;
-		}
-		poly_rotate (&tempoly[0], 2, cx, cy, fAngle);
-		poly[0] = poly[3];
-		poly[1] = poly[2];
-		poly[2] = tempoly[1];
-		poly[3] = tempoly[0];
-		// calc next color
-		if (grad->type == GRAD_LINEAR) {
-			gcol.red = grad->start.red + ((redSteps * i) / nSteps2);
-			gcol.green = grad->start.green + ((greenSteps * i) / nSteps2);
-			gcol.blue = grad->start.blue + ((blueSteps * i) / nSteps2);
-		} else {
-			if (i >= nSteps) {
-				gcol.red = grad->end.red;
-				gcol.green = grad->end.green;
-				gcol.blue = grad->end.blue;
-			} else {
-				if (i <= (nSteps / 2)) {
-					gcol.red = grad->end.red - ((redSteps * i) / nSteps2);
-					gcol.green = grad->end.green - ((greenSteps * i) / nSteps2);
-					gcol.blue = grad->end.blue - ((blueSteps * i) / nSteps2);
-				} else {
-					int i2 = i - nSteps / 2;
-					gcol.red = grad->start.red + ((redSteps * i2) / nSteps2);
-					gcol.green = grad->start.green + ((greenSteps * i2) / nSteps2);
-					gcol.blue = grad->start.blue + ((blueSteps * i2) / nSteps2);
-				}
-			}
-		}
-	}
-}
-
-static void
-r_draw_gradient_complex (ImpRenderCtx *ctx, void *drw_data, Gradient *grad)
-{
-	Rectangle rRect = { 0, 0, ctx->pix_w - 1, ctx->pix_h - 1 };
-	Rectangle aRect = rRect;
-	ImpColor gcol;
-	ImpPoint poly[4];
-	double fAngle = (((double) grad->angle) * 3.14 / 1800.0);
-	long redSteps, greenSteps, blueSteps;
-	long nZW, nZH;
-	long bX, bY;
-	long sW, sH;
-	long cx, cy;
-	int i;
-	long nSteps;
-	double sTop, sLeft, sRight, sBottom, sInc;
-	int minRect;
-
-	redSteps = grad->end.red - grad->start.red;
-	greenSteps = grad->end.green - grad->start.green;
-	blueSteps = grad->end.blue - grad->start.blue;
-
-	if (grad->type == GRAD_SQUARE || grad->type == GRAD_RECTANGULAR) {
-		double fW = aRect.Right - aRect.Left;
-		double fH = aRect.Bottom - aRect.Top;
-		double fDX = fW * fabs (cos (fAngle)) + fH * fabs (sin (fAngle));
-		double fDY = fH * fabs (cos (fAngle)) + fW * fabs (sin (fAngle));
-		fDX = (fDX - fW) * 0.5 - 0.5;
-		fDY = (fDY - fH) * 0.5 - 0.5;
-		aRect.Left -= fDX;
-		aRect.Right += fDX;
-		aRect.Top -= fDY;
-		aRect.Bottom += fDY;
-	}
-
-	sW = aRect.Right - aRect.Left;
-	sH = aRect.Bottom - aRect.Top;
-
-	if (grad->type == GRAD_SQUARE) {
-		if (sW > sH) sH = sW; else sW = sH;
-	} else if (grad->type == GRAD_RADIAL) {
-		sW = 0.5 + sqrt ((double)sW*(double)sW + (double)sH*(double)sH);
-		sH = sW;
-	} else if (grad->type == GRAD_ELLIPTICAL) {
-		sW = 0.5 + (double)sW * 1.4142;
-		sH = 0.5 + (double)sH * 1.4142;
-	}
-
-	nZW = (aRect.Right - aRect.Left) * grad->offset_x / 100;
-	nZH = (aRect.Bottom - aRect.Top) * grad->offset_y / 100;
-	bX = grad->border * sW / 100;
-	bY = grad->border * sH / 100;
-	cx = aRect.Left + nZW;
-	cy = aRect.Top + nZH;
-
-	sW -= bX;
-	sH -= bY;
-
-	aRect.Left = cx - ((aRect.Right - aRect.Left) >> 1);
-	aRect.Top = cy - ((aRect.Bottom - aRect.Top) >> 1);
-
-	nSteps = grad->steps;
-	minRect = aRect.Right - aRect.Left;
-	if (aRect.Bottom - aRect.Top < minRect) minRect = aRect.Bottom - aRect.Top;
-	if (nSteps == 0) {
-		long mr;
-		if (minRect < 50)
-			nSteps = minRect / 2;
-		else
-			nSteps = minRect / 4;
-		mr = abs(redSteps);
-		if (abs(greenSteps) > mr) mr = abs(greenSteps);
-		if (abs(blueSteps) > mr) mr = abs(blueSteps);
-		if (mr < nSteps) nSteps = mr;
-	}
-
-	sLeft = aRect.Left;
-	sTop = aRect.Top;
-	sRight = aRect.Right;
-	sBottom = aRect.Bottom;
-	sInc = (double) minRect / (double) nSteps * 0.5;
-
-	gcol = grad->start;
-	poly[0].x = rRect.Left;
-	poly[0].y = rRect.Top;
-	poly[1].x = rRect.Right;
-	poly[1].y = rRect.Top;
-	poly[2].x = rRect.Right;
-	poly[2].y = rRect.Bottom;
-	poly[3].x = rRect.Left;
-	poly[3].y = rRect.Bottom;
-	ctx->drw->set_fg_color(drw_data, &gcol);
-	ctx->drw->draw_polygon(drw_data, 1, &poly[0], 4);
-
-	for (i = 0; i < nSteps; i++) {
-		aRect.Left = (long) (sLeft += sInc);
-		aRect.Top = (long) (sTop += sInc);
-		aRect.Right = (long) (sRight -= sInc);
-		aRect.Bottom = (long) (sBottom -= sInc);
-		if (aRect.Bottom - aRect.Top < 2 || aRect.Right - aRect.Left < 2)
-			break;
-
-		gcol.red = grad->start.red + (redSteps * (i+1) / nSteps);
-		gcol.green = grad->start.green + (greenSteps * (i+1) / nSteps);
-		gcol.blue = grad->start.blue + (blueSteps * (i+1) / nSteps);
-		ctx->drw->set_fg_color(drw_data, &gcol);
-
-		if (grad->type == GRAD_RADIAL || grad->type == GRAD_ELLIPTICAL) {
-			ctx->drw->draw_arc(drw_data, 1, aRect.Left, aRect.Top,
-				aRect.Right - aRect.Left, aRect.Bottom - aRect.Top,
-				0, 360);
-		} else {
-			poly[0].x = aRect.Left;
-			poly[0].y = aRect.Top;
-			poly[1].x = aRect.Right;
-			poly[1].y = aRect.Top;
-			poly[2].x = aRect.Right;
-			poly[2].y = aRect.Bottom;
-			poly[3].x = aRect.Left;
-			poly[3].y = aRect.Bottom;
-			poly_rotate (&poly[0], 4, cx, cy, fAngle);
-			ctx->drw->draw_polygon(drw_data, 1, &poly[0], 4);
-		}
-	}
-}
-
-void
-r_draw_gradient (ImpRenderCtx *ctx, void *drw_data, iks *node)
-{
-//	GdkGC *gc;
-	Gradient grad;
-	char *stil, *tmp;
-	iks *x;
-
-	stil = r_get_style (ctx, node, "draw:fill-gradient-name");
-	x = iks_find_with_attrib (iks_find (ctx->styles, "office:styles"),
-		"draw:gradient", "draw:name", stil);
-	if (x) {
-		memset (&grad, 0, sizeof (Gradient));
-		grad.type = -1;
-		grad.offset_x = 50;
-		grad.offset_y = 50;
-
-		tmp = iks_find_attrib (x, "draw:start-color");
-		if (tmp) r_parse_color (tmp, &grad.start);
-		tmp = iks_find_attrib (x, "draw:start-intensity");
-		if (tmp) {
-			int val = atoi (tmp);
-			grad.start.red = grad.start.red * val / 100;
-			grad.start.green = grad.start.green * val / 100;
-			grad.start.blue = grad.start.blue * val / 100;
-		}
-		tmp = iks_find_attrib (x, "draw:end-color");
-		if (tmp) r_parse_color (tmp, &grad.end);
-		tmp = iks_find_attrib (x, "draw:end-intensity");
-		if (tmp) {
-			int val = atoi (tmp);
-			grad.end.red = grad.end.red * val / 100;
-			grad.end.green = grad.end.green * val / 100;
-			grad.end.blue = grad.end.blue * val / 100;
-		}
-		tmp = iks_find_attrib (x, "draw:angle");
-		if (tmp) grad.angle = atoi(tmp) % 3600;
-		tmp = iks_find_attrib (x, "draw:border");
-		if (tmp) grad.border = atoi(tmp);
-		tmp = r_get_style (ctx, node, "draw:gradient-step-count");
-		if (tmp) grad.steps = atoi (tmp);
-		tmp = iks_find_attrib (x, "draw:cx");
-		if (tmp) grad.offset_x = atoi (tmp);
-		tmp = iks_find_attrib (x, "draw:cy");
-		if (tmp) grad.offset_y = atoi (tmp);
-		tmp = iks_find_attrib (x, "draw:style");
-		if (iks_strcmp (tmp, "linear") == 0)
-			grad.type = GRAD_LINEAR;
-		else if (iks_strcmp (tmp, "axial") == 0)
-			grad.type = GRAD_AXIAL;
-		else if (iks_strcmp (tmp, "radial") == 0)
-			grad.type = GRAD_RADIAL;
-		else if (iks_strcmp (tmp, "rectangular") == 0)
-			grad.type = GRAD_RECTANGULAR;
-		else if (iks_strcmp (tmp, "ellipsoid") == 0)
-			grad.type = GRAD_ELLIPTICAL;
-		else if (iks_strcmp (tmp, "square") == 0)
-			grad.type = GRAD_SQUARE;
-
-		if (grad.type == -1) return;
-
-//		gc = ctx->gc;
-//		ctx->gc = gdk_gc_new (ctx->d);
-//		gdk_gc_copy (ctx->gc, gc);
-
-		if (grad.type == GRAD_LINEAR || grad.type == GRAD_AXIAL)
-			r_draw_gradient_simple (ctx, drw_data, &grad);
-		else
-			r_draw_gradient_complex (ctx, drw_data, &grad);
-
-//		g_object_unref (ctx->gc);
-//		ctx->gc = gc;
-	}
-}
diff --git a/backend/impress/r_style.c b/backend/impress/r_style.c
deleted file mode 100644
index 39ee9c62..00000000
--- a/backend/impress/r_style.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/* imposter (OO.org Impress viewer)
-** Copyright (C) 2003-2005 Gurer Ozen
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU General Public License.
-*/
-
-#include <config.h>
-#include "common.h"
-#include "internal.h"
-
-static char *
-get_style(ImpRenderCtx *ctx, iks *node, char *style, char *attr)
-{
-	char *ret;
-	iks *x;
-
-	if (!style) return NULL;
-
-	if (iks_root (node) == ctx->content) {
-		x = iks_find_with_attrib (iks_find (ctx->content, "office:automatic-styles"),
-			"style:style", "style:name", style);
-	} else {
-		x = iks_find_with_attrib (iks_find (ctx->styles, "office:automatic-styles"),
-			"style:style", "style:name", style);
-	}
-	if (!x) return NULL;
-
-	while (x) {
-		ret = iks_find_attrib (iks_find (x, "style:properties"), attr);
-		if (ret) return ret;
-		ret = iks_find_attrib (iks_find (x, "style:text-properties"), attr);
-		if (ret) return ret;
-		ret = iks_find_attrib (iks_find (x, "style:paragraph-properties"), attr);
-		if (ret) return ret;
-		ret = iks_find_attrib (iks_find (x, "style:graphic-properties"), attr);
-		if (ret) return ret;
-		ret = iks_find_attrib (iks_find (x, "style:drawing-page-properties"), attr);
-		if (ret) return ret;
-
-		style = iks_find_attrib (x, "style:parent-style-name");
-		if (!style) return NULL;
-
-		x = iks_find_with_attrib (iks_find (ctx->styles, "office:styles"),
-			"style:style", "style:name", style);
-
-	}
-	return NULL;
-}
-
-char *
-r_get_style (ImpRenderCtx *ctx, iks *node, char *attr)
-{
-	char *ret, *s;
-	iks *x;
-
-	ret = iks_find_attrib (node, attr);
-	if (ret) return ret;
-
-	for (x = node; x; x = iks_parent (x)) {
-		s = iks_find_attrib (x, "text:style-name");
-		ret = get_style (ctx, node, s, attr);
-		if (ret) return ret;
-		s = iks_find_attrib (x, "presentation:style-name");
-		ret = get_style (ctx, node, s, attr);
-		if (ret) return ret;
-		s = iks_find_attrib (x, "draw:style-name");
-		ret = get_style (ctx, node, s, attr);
-		if (ret) return ret;
-	}
-	return NULL;
-}
-
-#if 0
-static iks *
-get_style_x (ImpRenderCtx *ctx, iks *node, char *style, char *attr)
-{
-	iks *x;
-
-	if (!style) return NULL;
-
-	if (iks_root (node) == ctx->content) {
-		x = iks_find_with_attrib (iks_find (ctx->content, "office:automatic-styles"),
-			"text:list-style", "style:name", style);
-	} else {
-		x = iks_find_with_attrib (iks_find (ctx->styles, "office:automatic-styles"),
-			"text:list-style", "style:name", style);
-	}
-	return x;
-}
-
-static iks *
-r_get_bullet (ImpRenderCtx *ctx, iks *node, char *attr)
-{
-	iks *ret;
-	char *s;
-	iks *x;
-
-	for (x = node; x; x = iks_parent (x)) {
-		s = iks_find_attrib (x, "text:style-name");
-		ret = get_style_x (ctx, node, s, attr);
-		if (ret) return ret;
-		s = iks_find_attrib (x, "presentation:style-name");
-		ret = get_style_x (ctx, node, s, attr);
-		if (ret) return ret;
-		s = iks_find_attrib (x, "draw:style-name");
-		ret = get_style_x (ctx, node, s, attr);
-		if (ret) return ret;
-	}
-	return NULL;
-}
-#endif
diff --git a/backend/impress/r_text.c b/backend/impress/r_text.c
deleted file mode 100644
index 4b89bcad..00000000
--- a/backend/impress/r_text.c
+++ /dev/null
@@ -1,386 +0,0 @@
-/* imposter (OO.org Impress viewer)
-** Copyright (C) 2003-2005 Gurer Ozen
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU General Public License.
-*/
-
-#include <config.h>
-#include "common.h"
-#include "internal.h"
-
-struct Span {
-	struct Span *next;
-	int x, y;
-	int w, h;
-	char *text;
-	int len;
-	int size;
-	int styles;
-	ImpColor fg;
-};
-
-struct Line {
-	struct Line *next;
-	struct Span *spans;
-	struct Span *last_span;
-	int x, y;
-	int w, h;
-};
-
-struct Layout {
-	ikstack *s;
-	int x, y, w, h;
-	int tw, th;
-	struct Line *lines;
-	struct Line *last_line;
-	char spaces[128];
-};
-
-static struct Line *
-add_line(struct Layout *lay)
-{
-	struct Line *line;
-
-	line = iks_stack_alloc(lay->s, sizeof(struct Line));
-	memset(line, 0, sizeof(struct Line));
-
-	if (!lay->lines) lay->lines = line;
-	if (lay->last_line) lay->last_line->next = line;
-	lay->last_line = line;
-
-	return line;
-}
-
-static struct Span *
-add_span(struct Layout *lay, char *text, int len, int size, int styles)
-{
-	struct Line *line;
-	struct Span *span;
-
-	span = iks_stack_alloc(lay->s, sizeof(struct Span));
-	memset(span, 0, sizeof(struct Span));
-	span->text = text;
-	span->len = len;
-	span->size = size;
-	span->styles = styles;
-
-	line = lay->last_line;
-	if (!line) line = add_line(lay);
-	if (line->spans) {
-		span->x = line->last_span->x + line->last_span->w;
-		span->y = line->last_span->y;
-	} else {
-		span->x = line->x;
-		span->y = line->y;
-	}
-
-	if (!line->spans) line->spans = span;
-	if (line->last_span) line->last_span->next = span;
-	line->last_span = span;
-
-	return span;
-}
-
-static void
-calc_sizes(ImpRenderCtx *ctx, void *drw_data, struct Layout *lay)
-{
-	struct Line *line;
-	struct Span *span;
-
-	for (line = lay->lines; line; line = line->next) {
-		for (span = line->spans; span; span = span->next) {
-			ctx->drw->get_text_size(drw_data,
-				span->text, span->len,
-				span->size, span->styles,
-				&span->w, &span->h
-			);
-			line->w += span->w;
-			if (span->h > line->h) line->h = span->h;
-		}
-		if (line->w > lay->tw) lay->tw = line->w;
-		lay->th += line->h;
-	}
-}
-
-static void
-calc_pos(ImpRenderCtx *ctx, struct Layout *lay)
-{
-	struct Line *line;
-	struct Span *span;
-	int x, y, x2;
-
-	x = lay->x;
-	y = lay->y;
-	for (line = lay->lines; line; line = line->next) {
-		line->x = x;
-		line->y = y;
-		y += line->h;
-		x2 = x;
-		for (span = line->spans; span; span = span->next) {
-			span->x = x2;
-			span->y = y;
-			x2 += span->w;
-		}
-	}
-}
-
-static void
-_imp_draw_layout(ImpRenderCtx *ctx, void *drw_data, struct Layout *lay)
-{
-	struct Line *line;
-	struct Span *span;
-
-	for (line = lay->lines; line; line = line->next) {
-		for (span = line->spans; span; span = span->next) {
-			ctx->drw->set_fg_color(drw_data, &span->fg);
-			ctx->drw->draw_text(drw_data,
-				span->x, span->y,
-				span->text, span->len,
-				span->size,
-				span->styles
-			);
-		}
-	}
-}
-
-static void
-text_span(ImpRenderCtx *ctx, struct Layout *lay, iks *node, char *text, size_t len)
-{
-	struct Span *span;
-	double cm;
-	char *attr, *t, *s;
-	int px = 0, cont = 1;
-	int styles = IMP_NORMAL;
-
-	attr = r_get_style(ctx, node, "fo:font-size");
-	if (attr) {
-		cm = atof(attr);
-		if (strstr(attr, "pt")) cm = cm * 2.54 / 102;
-		px = cm * ctx->fact_y;
-	}
-	attr = r_get_style(ctx, node, "fo:font-weight");
-	if (attr && strcmp(attr, "bold") == 0) styles |= IMP_BOLD;
-	attr = r_get_style(ctx, node, "style:text-underline");
-	if (attr && strcmp(attr, "single") == 0) styles |= IMP_UNDERLINE;
-	attr = r_get_style(ctx, node, "fo:font-style");
-	if (attr && strcmp(attr, "italic") == 0) styles |= IMP_ITALIC;
-
-	t = text;
-	while (cont) {
-		s = strchr(t, '\n');
-		if (s) {
-			int len2 = s - t;
-			span = add_span(lay, t, len2, px, styles);
-			t = s + 1;
-			len -= len2;
-			add_line(lay);
-		} else {
-			span = add_span(lay, text, len, px, styles);
-			cont = 0;
-		}
-		r_get_color(ctx, node, "fo:color", &span->fg);
-	}
-}
-
-static void
-text_p(ImpRenderCtx *ctx, struct Layout *lay, iks *node)
-{
-	iks *n, *n2;
-
-	add_line(lay);
-	for (n = iks_child(node); n; n = iks_next(n)) {
-		if (iks_type(n) == IKS_CDATA) {
-			text_span(ctx, lay, node, iks_cdata(n), iks_cdata_size(n));
-		} else if (iks_strcmp(iks_name(n), "text:span") == 0) {
-			for (n2 = iks_child(n); n2; n2 = iks_next(n2)) {
-				if (iks_type(n2) == IKS_CDATA) {
-					text_span(ctx, lay, n2, iks_cdata(n2), iks_cdata_size(n2));
-				} else if (iks_strcmp(iks_name(n2), "text:s") == 0) {
-					char *attr;
-					int c = 1;
-					attr = iks_find_attrib(n2, "text:c");
-					if (attr) c = atoi(attr);
-					if (c > 127) {
-						c = 127;
-						puts("bork bork");
-					}
-					text_span(ctx, lay, n, lay->spaces, c);
-				} else if (iks_strcmp(iks_name(n2), "text:a") == 0) {
-					text_span(ctx, lay, n, iks_cdata(iks_child(n2)), iks_cdata_size(iks_child(n2)));
-				} else if (iks_strcmp(iks_name(n2), "text:tab-stop") == 0) {
-					text_span(ctx, lay, n, "\t", 1);
-				} else if (iks_strcmp(iks_name(n2), "text:page-number") == 0) {
-					char buf[8];
-					sprintf(buf, "%d", ctx->page->nr);
-					text_span(ctx, lay, n, iks_stack_strdup(lay->s, buf, 0), strlen(buf));
-				}
-			}
-		} else if (iks_strcmp(iks_name(n), "text:line-break") == 0) {
-			add_line(lay);
-		} else if (iks_strcmp(iks_name(n), "text:a") == 0) {
-			text_span(ctx, lay, n, iks_cdata(iks_child(n)), iks_cdata_size(iks_child(n)));
-		} else if (iks_strcmp(iks_name(n), "text:page-number") == 0) {
-			char buf[8];
-			sprintf(buf, "%d", ctx->page->nr);
-			text_span(ctx, lay, n, iks_stack_strdup(lay->s, buf, 0), strlen(buf));
-		}
-	}
-}
-
-static void
-text_list(ImpRenderCtx *ctx, struct Layout *lay, iks *node)
-{
-	iks *n, *n2;
-
-	for (n = iks_first_tag(node); n; n = iks_next_tag(n)) {
-		for (n2 = iks_first_tag(n); n2; n2 = iks_next_tag(n2)) {
-			if (strcmp(iks_name(n2), "text:p") == 0) {
-				text_p(ctx, lay, n2);
-			} else if (strcmp(iks_name(n2), "text:ordered-list") == 0) {
-				text_list(ctx, lay, n2);
-			} else if (strcmp(iks_name(n2), "text:unordered-list") == 0) {
-				text_list(ctx, lay, n2);
-			} else if (strcmp(iks_name(n2), "text:list") == 0) {
-				text_list(ctx, lay, n2);
-			}
-		}
-	}
-}
-
-void
-r_text(ImpRenderCtx *ctx, void *drw_data, iks *node)
-{
-	struct Layout lay;
-	iks *n;
-
-	memset(&lay, 0, sizeof(struct Layout));
-	memset(&lay.spaces, ' ', 128);
-	lay.s = iks_stack_new(sizeof(struct Span) * 16, 0);
-	lay.x = r_get_x(ctx, node, "svg:x");
-	lay.y = r_get_y(ctx, node, "svg:y");
-	lay.w = r_get_y(ctx, node, "svg:width");
-	lay.h = r_get_y(ctx, node, "svg:height");
-
-	for (n = iks_first_tag(node); n; n = iks_next_tag(n)) {
-		if (strcmp(iks_name(n), "text:p") == 0) {
-			text_p(ctx, &lay, n);
-		} else if (strcmp(iks_name(n), "text:ordered-list") == 0) {
-			text_list(ctx, &lay, n);
-		} else if (strcmp(iks_name(n), "text:unordered-list") == 0) {
-			text_list(ctx, &lay, n);
-		} else if (strcmp(iks_name(n), "text:list") == 0) {
-			text_list(ctx, &lay, n);
-		}
-	}
-
-	calc_sizes(ctx, drw_data, &lay);
-	calc_pos(ctx, &lay);
-	_imp_draw_layout(ctx, drw_data, &lay);
-
-	iks_stack_delete(lay.s);
-}
-/*
-static void
-text_span (render_ctx *ctx, text_ctx *tc, struct layout_s *lout, iks *node, char *text, int len)
-{
-	if (tc->bullet_flag && tc->bullet_sz) size = tc->bullet_sz; else size = r_get_font_size (ctx, tc, node);
-}
-
-static int
-is_animated (render_ctx *ctx, text_ctx *tc, iks *node)
-{
-	if (!ctx->step_mode) return 0;
-	if (!tc->id) return 0;
-	while (strcmp (iks_name (node), "draw:page") != 0
-		&& strcmp (iks_name (node), "style:master-page") != 0)
-			node = iks_parent (node);
-	node = iks_find (node, "presentation:animations");
-	if (!node) return 0;
-	if (iks_find_with_attrib (node, "presentation:show-text", "draw:shape-id", tc->id)) return 1;
-	return 0;
-}
-
-static void
-text_p (render_ctx *ctx, text_ctx *tc, iks *node)
-{
-	if (is_animated (ctx, tc, node) && ctx->step_cnt >= ctx->step) lout->flag = 0;
-	ctx->step_cnt++;
-
-	attr = r_get_style (ctx, node, "text:enable-numbering");
-	if (attr && strcmp (attr, "true") == 0) {
-		if (iks_child (node) && tc->bullet) {
-			tc->bullet_flag = 1;
-			text_span (ctx, tc, lout, node, tc->bullet, strlen (tc->bullet));
-			text_span (ctx, tc, lout, node, " ", 1);
-			tc->bullet_flag = 0;
-		}
-	}
-
-	if (!lout->text) {
-lout->h = 0;
-attr = r_get_style (ctx, node, "fo:line-height");
-if (attr) {
-	int ratio = atoi (attr);
-	lout->lh = ratio;
-} else {
-	lout->lh = 100;
-}
-tc->layouts = g_list_append (tc->layouts, lout);
-//		g_object_unref (lout->play);
-//		iks_stack_delete (s);
-		return;
-	}
-
-	attr = r_get_style (ctx, node, "fo:text-align");
-	if (attr) {
-		if (strcmp (attr, "center") == 0)
-			pango_layout_set_alignment (lout->play, PANGO_ALIGN_CENTER);
-		else if (strcmp (attr, "end") == 0)
-			pango_layout_set_alignment (lout->play, PANGO_ALIGN_RIGHT);
-	}
-	pango_layout_set_width (lout->play, tc->w * PANGO_SCALE);
-	pango_layout_set_markup (lout->play, lout->text, lout->text_len);
-	pango_layout_get_pixel_size (lout->play, &lout->w, &lout->h);
-	attr = r_get_style (ctx, node, "fo:line-height");
-	if (attr) {
-		int ratio = atoi (attr);
-		lout->lh = ratio;
-	} else {
-		lout->lh = 100;
-	}
-	tc->layouts = g_list_append (tc->layouts, lout);
-}
-
-static void
-find_bullet (render_ctx *ctx, text_ctx *tc, iks *node)
-{
-	iks *x;
-	char *t;
-	x = r_get_bullet (ctx, node, "text:list-level-style-bullet");
-	x = iks_find (x, "text:list-level-style-bullet");
-	t = iks_find_attrib (x, "text:bullet-char");
-	if (t) tc->bullet = t; else tc->bullet = "*";
-	x = iks_find (x, "style:properties");
-	t = iks_find_attrib (x, "fo:font-size");
-	if (t) tc->bullet_sz = tc->last_sz * atoi (t) / 100;
-	else tc->bullet_sz = 0;
-}
-
-void
-r_text (render_ctx *ctx, iks *node)
-{
-	tc.id = iks_find_attrib (node, "draw:id");
-	ctx->step_cnt = 0;
-	for (n = iks_first_tag (node); n; n = iks_next_tag (n)) {
-		if (strcmp (iks_name (n), "text:p") == 0) {
-			text_p (ctx, &tc, n);
-		} else if (strcmp (iks_name (n), "text:ordered-list") == 0) {
-			text_list (ctx, &tc, n);
-		} else if (strcmp (iks_name (n), "text:unordered-list") == 0) {
-			find_bullet (ctx, &tc, n);
-			text_list (ctx, &tc, n);
-			tc.bullet = 0;
-		}
-	}
-
-*/
diff --git a/backend/impress/render.c b/backend/impress/render.c
deleted file mode 100644
index 67b80756..00000000
--- a/backend/impress/render.c
+++ /dev/null
@@ -1,54 +0,0 @@
-/* imposter (OO.org Impress viewer)
-** Copyright (C) 2003-2005 Gurer Ozen
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU General Public License.
-*/
-
-#include <config.h>
-#include "common.h"
-#include "internal.h"
-
-ImpRenderCtx *
-imp_create_context(const ImpDrawer *drw)
-{
-	ImpRenderCtx *ctx;
-
-	ctx = calloc(1, sizeof(ImpRenderCtx));
-	if (!ctx) return NULL;
-	ctx->drw = drw;
-	return ctx;
-}
-
-void
-imp_context_set_page(ImpRenderCtx *ctx, ImpPage *page)
-{
-	ctx->page = page;
-	ctx->content = page->doc->content;
-	ctx->styles = page->doc->styles;
-}
-
-void
-imp_context_set_step(ImpRenderCtx *ctx, int step)
-{
-	ctx->step = step;
-}
-
-void
-imp_render(ImpRenderCtx *ctx, void *drw_data)
-{
-	// find drawing area size
-	ctx->drw->get_size(drw_data, &ctx->pix_w, &ctx->pix_h);
-	// find page size
-	ctx->page->doc->get_geometry(ctx);
-	// calculate ratio
-	ctx->fact_x = ctx->pix_w / ctx->cm_w;
-	ctx->fact_y = ctx->pix_h / ctx->cm_h;
-	// call renderer
-	ctx->page->doc->render_page(ctx, drw_data);
-}
-
-void
-imp_delete_context(ImpRenderCtx *ctx)
-{
-	free(ctx);
-}
diff --git a/backend/impress/zip.c b/backend/impress/zip.c
deleted file mode 100644
index b1f25c8c..00000000
--- a/backend/impress/zip.c
+++ /dev/null
@@ -1,349 +0,0 @@
-/* imposter (OO.org Impress viewer)
-** Copyright (C) 2003-2005 Gurer Ozen
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU General Public License.
-*/
-
-#include <config.h>
-#include "common.h"
-#include "zip.h"
-#include <zlib.h>
-#define _(x) x
-
-typedef unsigned long ulong;
-
-enum {
-	ZIP_OK = 0,
-	ZIP_NOMEM,
-	ZIP_NOSIG,
-	ZIP_BADZIP,
-	ZIP_NOMULTI,
-	ZIP_EOPEN,
-	ZIP_EREAD,
-	ZIP_NOFILE
-};
-
-struct zipfile {
-	struct zipfile *next;
-	char *name;
-	ulong crc;
-	ulong zip_size;
-	ulong real_size;
-	ulong pos;
-};
-
-struct zip_struct {
-	FILE *f;
-	struct zipfile *files;
-	ulong cd_pos;
-	ulong cd_size;
-	ulong cd_offset;
-	ulong head_size;
-	ulong rem_size;
-	ulong nr_files;
-};
-
-char *
-zip_error (int err)
-{
-	char *ret;
-
-	switch (err) {
-		case ZIP_OK:
-			ret = _("No error");
-			break;
-		case ZIP_NOMEM:
-			ret = _("Not enough memory");
-			break;
-		case ZIP_NOSIG:
-			ret = _("Cannot find ZIP signature");
-			break;
-		case ZIP_BADZIP:
-			ret = _("Invalid ZIP file");
-			break;
-		case ZIP_NOMULTI:
-			ret = _("Multi file ZIPs are not supported");
-			break;
-		case ZIP_EOPEN:
-			ret = _("Cannot open the file");
-			break;
-		case ZIP_EREAD:
-			ret = _("Cannot read data from file");
-			break;
-		case ZIP_NOFILE:
-			ret = _("Cannot find file in the ZIP archive");
-			break;
-		default:
-			ret = _("Unknown error");
-			break;
-	}
-	return ret;
-}
-
-static int
-find_cd (zip *z)
-{
-	FILE *f;
-	char *buf;
-	ulong size, pos, i, flag;
-
-	f = z->f;
-	if (fseek (f, 0, SEEK_END) != 0) return 1;
-	size = ftell (f);
-	if (size < 0xffff) pos = 0; else pos = size - 0xffff;
-	buf = malloc (size - pos + 1);
-	if (!buf) return 1;
-	if (fseek (f, pos, SEEK_SET) != 0) {
-		free (buf);
-		return 1;
-	}
-	if (fread (buf, size - pos, 1, f) != 1) {
-		free (buf);
-		return 1;
-	}
-	flag = 0;
-	for (i = size - pos - 3; i > 0; i--) {
-		if (buf[i] == 0x50 && buf[i+1] == 0x4b && buf[i+2] == 0x05 && buf[i+3] == 0x06) {
-			z->cd_pos = i + pos;
-			flag = 1;
-			break;
-		}
-	}
-	free (buf);
-	if (flag != 1) return 1;
-	return 0;
-}
-
-static unsigned long
-get_long (unsigned char *buf)
-{
-	return buf[0] + (buf[1] << 8) + (buf[2] << 16) + (buf[3] << 24);
-}
-
-static unsigned long
-get_word (unsigned char *buf)
-{
-	return buf[0] + (buf[1] << 8);
-}
-
-static int
-list_files (zip *z)
-{
-	unsigned char buf[46];
-	struct zipfile *zfile;
-	ulong pat, fn_size;
-	int nr = 0;
-
-	pat = z->cd_offset;
-	while (nr < z->nr_files) {
-		fseek (z->f, pat + z->head_size, SEEK_SET);
-
-		if (fread (buf, 46, 1, z->f) != 1) return ZIP_EREAD;
-		if (get_long (buf) != 0x02014b50) return ZIP_BADZIP;
-
-		zfile = malloc (sizeof (struct zipfile));
-		if (!zfile) return ZIP_NOMEM;
-		memset (zfile, 0, sizeof (struct zipfile));
-
-		zfile->crc = get_long (buf + 16);
-		zfile->zip_size = get_long (buf + 20);
-		zfile->real_size = get_long (buf + 24);
-		fn_size = get_word (buf + 28);
-		zfile->pos = get_long (buf + 42);
-
-		zfile->name = malloc (fn_size + 1);
-		if (!zfile->name) {
-			free (zfile);
-			return ZIP_NOMEM;
-		}
-		fread (zfile->name, fn_size, 1, z->f);
-		zfile->name[fn_size] = '\0';
-
-		zfile->next = z->files;
-		z->files = zfile;
-
-		pat += 0x2e + fn_size + get_word (buf + 30) + get_word (buf + 32);
-		nr++;
-	}
-	return ZIP_OK;
-}
-
-zip *
-zip_open (const char *fname, int *err)
-{
-	unsigned char buf[22];
-	zip *z;
-	FILE *f;
-
-	f = fopen (fname, "rb");
-	if (NULL == f) {
-		*err = ZIP_EOPEN;
-		return NULL;
-	}
-
-	z = malloc (sizeof (zip));
-	memset (z, 0, sizeof (zip));
-	z->f = f;
-
-	if (find_cd (z)) {
-		zip_close (z);
-		*err = ZIP_NOSIG;
-		return NULL;
-	}
-
-	fseek (f, z->cd_pos, SEEK_SET);
-	if (fread (buf, 22, 1, f) != 1) {
-		zip_close (z);
-		*err = ZIP_EREAD;
-		return NULL;
-	}
-	z->nr_files = get_word (buf + 10);
-	if (get_word (buf + 8) != z->nr_files) {
-		zip_close (z);
-		*err =  ZIP_NOMULTI;
-		return NULL;
-	}
-	z->cd_size = get_long (buf + 12);
-	z->cd_offset = get_long (buf + 16);
-	z->rem_size = get_word (buf + 20);
-	z->head_size = z->cd_pos - (z->cd_offset + z->cd_size);
-
-	*err = list_files (z);
-	if (*err != ZIP_OK) {
-		zip_close (z);
-		return NULL;
-	}
-
-	*err = ZIP_OK;
-	return z;
-}
-
-void
-zip_close (zip *z)
-{
-	struct zipfile *zfile, *tmp;
-
-	zfile = z->files;
-	while (zfile) {
-		tmp = zfile->next;
-		if (zfile->name) free (zfile->name);
-		free (zfile);
-		zfile = tmp;
-	}
-	z->files = NULL;
-	if (z->f) fclose (z->f);
-	z->f = NULL;
-}
-
-static struct zipfile *
-find_file (zip *z, const char *name)
-{
-	struct zipfile *zfile;
-
-	zfile = z->files;
-	while (zfile) {
-		if (strcmp (zfile->name, name) == 0) return zfile;
-		zfile = zfile->next;
-	}
-	return NULL;
-}
-
-static int
-seek_file (zip *z, struct zipfile *zfile)
-{
-	unsigned char buf[30];
-
-	fseek (z->f, zfile->pos + z->head_size, SEEK_SET);
-	if (fread (buf, 30, 1, z->f) != 1) return ZIP_EREAD;
-	if (get_long (buf) != 0x04034b50) return ZIP_BADZIP;
-	fseek (z->f, get_word (buf + 26) + get_word (buf + 28), SEEK_CUR);
-	return ZIP_OK;
-}
-
-iks *
-zip_load_xml (zip *z, const char *name, int *err)
-{
-	iksparser *prs;
-	char *real_buf;
-	iks *x;
-	struct zipfile *zfile;
-
-	*err = ZIP_OK;
-
-	zfile = find_file (z, name);
-	if (!zfile) {
-		*err = ZIP_NOFILE;
-		return NULL;
-	}
-
-	seek_file (z, zfile);
-
-	real_buf = malloc (zfile->real_size + 1);
-	if (zfile->zip_size < zfile->real_size) {
-		char *zip_buf;
-		z_stream zs;
-		zs.zalloc = NULL;
-		zs.zfree = NULL;
-		zs.opaque = NULL;
-		zip_buf = malloc (zfile->zip_size);
-		fread (zip_buf, zfile->zip_size, 1, z->f);
-		zs.next_in = zip_buf;
-		zs.avail_in = zfile->zip_size;
-		zs.next_out = real_buf;
-		zs.avail_out = zfile->real_size;
-		inflateInit2 (&zs, -MAX_WBITS);
-		inflate (&zs, Z_FINISH);
-		inflateEnd (&zs);
-		free (zip_buf);
-	} else {
-		fread (real_buf, zfile->real_size, 1, z->f);
-	}
-
-	real_buf[zfile->real_size] = '\0';
-	prs = iks_dom_new (&x);
-	iks_parse (prs, real_buf, zfile->real_size, 1);
-	iks_parser_delete (prs);
-	free (real_buf);
-	return x;
-}
-
-unsigned long zip_get_size (zip *z, const char *name)
-{
-	struct zipfile *zf;
-
-	zf = find_file (z, name);
-	if (!zf) return 0;
-	return zf->real_size;
-}
-
-int zip_load (zip *z, const char *name, char *buf)
-{
-	struct zipfile *zfile;
-
-	zfile = find_file (z, name);
-	if (!zfile) return ZIP_NOFILE;
-
-	seek_file (z, zfile);
-
-	if (zfile->zip_size < zfile->real_size) {
-		char *zip_buf;
-		z_stream zs;
-		zs.zalloc = NULL;
-		zs.zfree = NULL;
-		zs.opaque = NULL;
-		zip_buf = malloc (zfile->zip_size);
-		fread (zip_buf, zfile->zip_size, 1, z->f);
-		zs.next_in = zip_buf;
-		zs.avail_in = zfile->zip_size;
-		zs.next_out = buf;
-		zs.avail_out = zfile->real_size;
-		inflateInit2 (&zs, -MAX_WBITS);
-		inflate (&zs, Z_FINISH);
-		inflateEnd (&zs);
-		free (zip_buf);
-	} else {
-		fread (buf, zfile->real_size, 1, z->f);
-	}
-
-	return ZIP_OK;
-}
diff --git a/backend/impress/zip.h b/backend/impress/zip.h
deleted file mode 100644
index 23ff3631..00000000
--- a/backend/impress/zip.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* imposter (OO.org Impress viewer)
-** Copyright (C) 2003-2005 Gurer Ozen
-** This code is free software; you can redistribute it and/or
-** modify it under the terms of GNU General Public License.
-*/
-
-struct zip_struct;
-typedef struct zip_struct zip;
-
-char *zip_error (int err);
-
-zip *zip_open (const char *fname, int *err);
-void zip_close (zip *z);
-
-iks *zip_load_xml (zip *z, const char *name, int *err);
-
-unsigned long zip_get_size (zip *z, const char *name);
-int zip_load (zip *z, const char *name, char *buf);