/* 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); }