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authorPerberos <[email protected]>2011-11-07 19:52:18 -0300
committerPerberos <[email protected]>2011-11-07 19:52:18 -0300
commit5ded9cba8563f336939400303d6a841d5089b107 (patch)
treec5676588cff26ba37e12369fe4de24b54e9f6682 /gedit/gedit-document-output-stream.c
parentf00b3a11a199f9f85a4d46a600f9d14179b37dbf (diff)
downloadpluma-5ded9cba8563f336939400303d6a841d5089b107.tar.bz2
pluma-5ded9cba8563f336939400303d6a841d5089b107.tar.xz
renaming from gedit to pluma
Diffstat (limited to 'gedit/gedit-document-output-stream.c')
-rwxr-xr-xgedit/gedit-document-output-stream.c391
1 files changed, 0 insertions, 391 deletions
diff --git a/gedit/gedit-document-output-stream.c b/gedit/gedit-document-output-stream.c
deleted file mode 100755
index e1ef5af5..00000000
--- a/gedit/gedit-document-output-stream.c
+++ /dev/null
@@ -1,391 +0,0 @@
-/*
- * gedit-document-output-stream.c
- * This file is part of gedit
- *
- * Copyright (C) 2010 - Ignacio Casal Quinteiro
- *
- * gedit 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 of the License, or
- * (at your option) any later version.
- *
- * gedit 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 gedit; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301 USA
- */
-
-#include "config.h"
-
-#include <string.h>
-#include <glib.h>
-#include <glib/gi18n.h>
-#include <gio/gio.h>
-#include "gedit-document-output-stream.h"
-
-/* NOTE: never use async methods on this stream, the stream is just
- * a wrapper around GtkTextBuffer api so that we can use GIO Stream
- * methods, but the undelying code operates on a GtkTextBuffer, so
- * there is no I/O involved and should be accessed only by the main
- * thread */
-
-#define GEDIT_DOCUMENT_OUTPUT_STREAM_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE((object),\
- GEDIT_TYPE_DOCUMENT_OUTPUT_STREAM,\
- GeditDocumentOutputStreamPrivate))
-
-#define MAX_UNICHAR_LEN 6
-
-struct _GeditDocumentOutputStreamPrivate
-{
- GeditDocument *doc;
- GtkTextIter pos;
-
- gchar *buffer;
- gsize buflen;
-
- guint is_initialized : 1;
- guint is_closed : 1;
-};
-
-enum
-{
- PROP_0,
- PROP_DOCUMENT
-};
-
-G_DEFINE_TYPE (GeditDocumentOutputStream, gedit_document_output_stream, G_TYPE_OUTPUT_STREAM)
-
-static gssize gedit_document_output_stream_write (GOutputStream *stream,
- const void *buffer,
- gsize count,
- GCancellable *cancellable,
- GError **error);
-
-static gboolean gedit_document_output_stream_close (GOutputStream *stream,
- GCancellable *cancellable,
- GError **error);
-
-static void
-gedit_document_output_stream_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- GeditDocumentOutputStream *stream = GEDIT_DOCUMENT_OUTPUT_STREAM (object);
-
- switch (prop_id)
- {
- case PROP_DOCUMENT:
- stream->priv->doc = GEDIT_DOCUMENT (g_value_get_object (value));
- break;
-
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gedit_document_output_stream_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- GeditDocumentOutputStream *stream = GEDIT_DOCUMENT_OUTPUT_STREAM (object);
-
- switch (prop_id)
- {
- case PROP_DOCUMENT:
- g_value_set_object (value, stream->priv->doc);
- break;
-
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gedit_document_output_stream_finalize (GObject *object)
-{
- GeditDocumentOutputStream *stream = GEDIT_DOCUMENT_OUTPUT_STREAM (object);
-
- g_free (stream->priv->buffer);
-
- G_OBJECT_CLASS (gedit_document_output_stream_parent_class)->finalize (object);
-}
-
-static void
-gedit_document_output_stream_constructed (GObject *object)
-{
- GeditDocumentOutputStream *stream = GEDIT_DOCUMENT_OUTPUT_STREAM (object);
-
- if (!stream->priv->doc)
- {
- g_critical ("This should never happen, a problem happened constructing the Document Output Stream!");
- return;
- }
-
- /* Init the undoable action */
- gtk_source_buffer_begin_not_undoable_action (GTK_SOURCE_BUFFER (stream->priv->doc));
- /* clear the buffer */
- gtk_text_buffer_set_text (GTK_TEXT_BUFFER (stream->priv->doc),
- "", 0);
- gtk_text_buffer_set_modified (GTK_TEXT_BUFFER (stream->priv->doc),
- FALSE);
-
- gtk_source_buffer_end_not_undoable_action (GTK_SOURCE_BUFFER (stream->priv->doc));
-}
-
-static void
-gedit_document_output_stream_class_init (GeditDocumentOutputStreamClass *klass)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
- GOutputStreamClass *stream_class = G_OUTPUT_STREAM_CLASS (klass);
-
- object_class->get_property = gedit_document_output_stream_get_property;
- object_class->set_property = gedit_document_output_stream_set_property;
- object_class->finalize = gedit_document_output_stream_finalize;
- object_class->constructed = gedit_document_output_stream_constructed;
-
- stream_class->write_fn = gedit_document_output_stream_write;
- stream_class->close_fn = gedit_document_output_stream_close;
-
- g_object_class_install_property (object_class,
- PROP_DOCUMENT,
- g_param_spec_object ("document",
- "Document",
- "The document which is written",
- GEDIT_TYPE_DOCUMENT,
- G_PARAM_READWRITE |
- G_PARAM_CONSTRUCT_ONLY));
-
- g_type_class_add_private (object_class, sizeof (GeditDocumentOutputStreamPrivate));
-}
-
-static void
-gedit_document_output_stream_init (GeditDocumentOutputStream *stream)
-{
- stream->priv = GEDIT_DOCUMENT_OUTPUT_STREAM_GET_PRIVATE (stream);
-
- stream->priv->buffer = NULL;
- stream->priv->buflen = 0;
-
- stream->priv->is_initialized = FALSE;
- stream->priv->is_closed = FALSE;
-}
-
-static GeditDocumentNewlineType
-get_newline_type (GtkTextIter *end)
-{
- GeditDocumentNewlineType res;
- GtkTextIter copy;
- gunichar c;
-
- copy = *end;
- c = gtk_text_iter_get_char (&copy);
-
- if (g_unichar_break_type (c) == G_UNICODE_BREAK_CARRIAGE_RETURN)
- {
- if (gtk_text_iter_forward_char (&copy) &&
- g_unichar_break_type (gtk_text_iter_get_char (&copy)) == G_UNICODE_BREAK_LINE_FEED)
- {
- res = GEDIT_DOCUMENT_NEWLINE_TYPE_CR_LF;
- }
- else
- {
- res = GEDIT_DOCUMENT_NEWLINE_TYPE_CR;
- }
- }
- else
- {
- res = GEDIT_DOCUMENT_NEWLINE_TYPE_LF;
- }
-
- return res;
-}
-
-GOutputStream *
-gedit_document_output_stream_new (GeditDocument *doc)
-{
- return G_OUTPUT_STREAM (g_object_new (GEDIT_TYPE_DOCUMENT_OUTPUT_STREAM,
- "document", doc, NULL));
-}
-
-GeditDocumentNewlineType
-gedit_document_output_stream_detect_newline_type (GeditDocumentOutputStream *stream)
-{
- GeditDocumentNewlineType type;
- GtkTextIter iter;
-
- g_return_val_if_fail (GEDIT_IS_DOCUMENT_OUTPUT_STREAM (stream),
- GEDIT_DOCUMENT_NEWLINE_TYPE_DEFAULT);
-
- type = GEDIT_DOCUMENT_NEWLINE_TYPE_DEFAULT;
-
- gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (stream->priv->doc),
- &iter);
-
- if (gtk_text_iter_ends_line (&iter) || gtk_text_iter_forward_to_line_end (&iter))
- {
- type = get_newline_type (&iter);
- }
-
- return type;
-}
-
-/* If the last char is a newline, remove it from the buffer (otherwise
- GtkTextView shows it as an empty line). See bug #324942. */
-static void
-remove_ending_newline (GeditDocumentOutputStream *stream)
-{
- GtkTextIter end;
- GtkTextIter start;
-
- gtk_text_buffer_get_end_iter (GTK_TEXT_BUFFER (stream->priv->doc), &end);
- start = end;
-
- gtk_text_iter_set_line_offset (&start, 0);
-
- if (gtk_text_iter_ends_line (&start) &&
- gtk_text_iter_backward_line (&start))
- {
- if (!gtk_text_iter_ends_line (&start))
- {
- gtk_text_iter_forward_to_line_end (&start);
- }
-
- /* Delete the empty line which is from 'start' to 'end' */
- gtk_text_buffer_delete (GTK_TEXT_BUFFER (stream->priv->doc),
- &start,
- &end);
- }
-}
-
-static void
-end_append_text_to_document (GeditDocumentOutputStream *stream)
-{
- remove_ending_newline (stream);
-
- gtk_text_buffer_set_modified (GTK_TEXT_BUFFER (stream->priv->doc),
- FALSE);
-
- gtk_source_buffer_end_not_undoable_action (GTK_SOURCE_BUFFER (stream->priv->doc));
-}
-
-static gssize
-gedit_document_output_stream_write (GOutputStream *stream,
- const void *buffer,
- gsize count,
- GCancellable *cancellable,
- GError **error)
-{
- GeditDocumentOutputStream *ostream;
- gchar *text;
- gsize len;
- gboolean freetext = FALSE;
- const gchar *end;
- gsize nvalid;
- gboolean valid;
-
- if (g_cancellable_set_error_if_cancelled (cancellable, error))
- return -1;
-
- ostream = GEDIT_DOCUMENT_OUTPUT_STREAM (stream);
-
- if (!ostream->priv->is_initialized)
- {
- /* Init the undoable action */
- gtk_source_buffer_begin_not_undoable_action (GTK_SOURCE_BUFFER (ostream->priv->doc));
-
- gtk_text_buffer_get_start_iter (GTK_TEXT_BUFFER (ostream->priv->doc),
- &ostream->priv->pos);
- ostream->priv->is_initialized = TRUE;
- }
-
- if (ostream->priv->buflen > 0)
- {
- len = ostream->priv->buflen + count;
- text = g_new (gchar , len + 1);
- memcpy (text, ostream->priv->buffer, ostream->priv->buflen);
- memcpy (text + ostream->priv->buflen, buffer, count);
- text[len] = '\0';
- g_free (ostream->priv->buffer);
- ostream->priv->buffer = NULL;
- ostream->priv->buflen = 0;
- freetext = TRUE;
- }
- else
- {
- text = (gchar *) buffer;
- len = count;
- }
-
- /* validate */
- valid = g_utf8_validate (text, len, &end);
- nvalid = end - text;
-
- if (!valid)
- {
- gsize remainder;
-
- remainder = len - nvalid;
-
- if ((remainder < MAX_UNICHAR_LEN) &&
- (g_utf8_get_char_validated (text + nvalid, remainder) == (gunichar)-2))
- {
- ostream->priv->buffer = g_strndup (end, remainder);
- ostream->priv->buflen = remainder;
- len -= remainder;
- }
- else
- {
- /* TODO: we cuould escape invalid text and tag it in red
- * and make the doc readonly.
- */
- g_set_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA,
- _("Invalid UTF-8 sequence in input"));
-
- if (freetext)
- g_free (text);
-
- return -1;
- }
- }
-
- gtk_text_buffer_insert (GTK_TEXT_BUFFER (ostream->priv->doc),
- &ostream->priv->pos, text, len);
-
- if (freetext)
- g_free (text);
-
- return count;
-}
-
-static gboolean
-gedit_document_output_stream_close (GOutputStream *stream,
- GCancellable *cancellable,
- GError **error)
-{
- GeditDocumentOutputStream *ostream = GEDIT_DOCUMENT_OUTPUT_STREAM (stream);
-
- if (!ostream->priv->is_closed && ostream->priv->is_initialized)
- {
- end_append_text_to_document (ostream);
- ostream->priv->is_closed = TRUE;
- }
-
- if (ostream->priv->buflen > 0)
- {
- g_set_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_DATA,
- _("Incomplete UTF-8 sequence in input"));
- return FALSE;
- }
-
- return TRUE;
-}
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