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app: port gimp_text_buffer_load() and _save() to GIO

This commit is contained in:
Michael Natterer 2014-07-03 12:57:18 +02:00
parent 799a3d4352
commit 0753b5a137
1 changed files with 71 additions and 69 deletions
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140
app/widgets/gimptextbuffer.c
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@ -21,22 +21,6 @@
#include "config.h"
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <glib/gstdio.h>
#include <glib.h>
#ifdef G_OS_WIN32
#include "libgimpbase/gimpwin32-io.h"
#endif
#include <gegl.h>
#include <gtk/gtk.h>
@ -1403,25 +1387,26 @@ gimp_text_buffer_load (GimpTextBuffer *buffer,
GFile *file,
GError **error)
{
gchar *path;
FILE *f;
gchar buf[2048];
gint remaining = 0;
GtkTextIter iter;
GInputStream *input;
gchar buf[2048];
gint to_read;
gsize bytes_read;
gsize total_read = 0;
gint remaining = 0;
GtkTextIter iter;
GError *my_error = NULL;
g_return_val_if_fail (GIMP_IS_TEXT_BUFFER (buffer), FALSE);
g_return_val_if_fail (G_IS_FILE (file), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
path = g_file_get_path (file);
f = g_fopen (path, "r");
g_free (file);
if (! f)
input = G_INPUT_STREAM (g_file_read (file, NULL, &my_error));
if (! input)
{
g_set_error_literal (error, G_FILE_ERROR,
g_file_error_from_errno (errno),
g_strerror (errno));
g_set_error (error, my_error->domain, my_error->code,
_("Could not open '%s' for reading: %s"),
gimp_file_get_utf8_name (file), my_error->message);
g_clear_error (&my_error);
return FALSE;
}
@ -1430,35 +1415,55 @@ gimp_text_buffer_load (GimpTextBuffer *buffer,
gimp_text_buffer_set_text (buffer, NULL);
gtk_text_buffer_get_end_iter (GTK_TEXT_BUFFER (buffer), &iter);
while (! feof (f))
do
{
gboolean success;
const char *leftover;
gint count;
gint to_read = sizeof (buf) - remaining - 1;
count = fread (buf + remaining, 1, to_read, f);
buf[count + remaining] = '\0';
to_read = sizeof (buf) - remaining - 1;
g_utf8_validate (buf, count + remaining, &leftover);
success = g_input_stream_read_all (input, buf + remaining, to_read,
&bytes_read, NULL, &my_error);
total_read += bytes_read;
buf[bytes_read + remaining] = '\0';
g_utf8_validate (buf, bytes_read + remaining, &leftover);
gtk_text_buffer_insert (GTK_TEXT_BUFFER (buffer), &iter,
buf, leftover - buf);
gtk_text_buffer_get_end_iter (GTK_TEXT_BUFFER (buffer), &iter);
remaining = (buf + remaining + count) - leftover;
remaining = (buf + remaining + bytes_read) - leftover;
g_memmove (buf, leftover, remaining);
if (remaining > 6 || count < to_read)
break;
if (! success)
{
if (total_read > 0)
{
g_message (_("Input file '%s' appears truncated: %s"),
gimp_file_get_utf8_name (file),
my_error->message);
g_clear_error (&my_error);
break;
}
gtk_text_buffer_end_user_action (GTK_TEXT_BUFFER (buffer));
g_object_unref (input);
g_propagate_error (error, my_error);
return FALSE;
}
}
while (remaining <= 6 && bytes_read == to_read);
if (remaining)
g_message (_("Invalid UTF-8 data in file '%s'."),
gimp_file_get_utf8_name (file));
fclose (f);
gtk_text_buffer_end_user_action (GTK_TEXT_BUFFER (buffer));
g_object_unref (input);
return TRUE;
}
@ -1469,25 +1474,25 @@ gimp_text_buffer_save (GimpTextBuffer *buffer,
gboolean selection_only,
GError **error)
{
GtkTextIter start_iter;
GtkTextIter end_iter;
gchar *path;
gint fd;
gchar *text_contents;
GOutputStream *output;
GtkTextIter start_iter;
GtkTextIter end_iter;
gchar *text_contents;
GError *my_error = NULL;
g_return_val_if_fail (GIMP_IS_TEXT_BUFFER (buffer), FALSE);
g_return_val_if_fail (G_IS_FILE (file), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
path = g_file_get_path (file);
fd = g_open (path, O_WRONLY | O_CREAT | O_APPEND, 0666);
g_free (path);
if (fd == -1)
output = G_OUTPUT_STREAM (g_file_replace (file,
NULL, FALSE, G_FILE_CREATE_NONE,
NULL, &my_error));
if (! output)
{
g_set_error_literal (error, G_FILE_ERROR,
g_file_error_from_errno (errno),
g_strerror (errno));
g_set_error (error, my_error->domain, my_error->code,
_("Could not open '%s' for writing: %s"),
gimp_file_get_utf8_name (file), my_error->message);
g_clear_error (&my_error);
return FALSE;
}
@ -1503,29 +1508,26 @@ gimp_text_buffer_save (GimpTextBuffer *buffer,
if (text_contents)
{
gint text_length = strlen (text_contents);
gint text_length = strlen (text_contents);
gsize bytes_written;
if (text_length > 0)
if (! g_output_stream_write_all (output, text_contents, text_length,
&bytes_written, NULL, &my_error) ||
bytes_written != text_length)
{
gint bytes_written;
bytes_written = write (fd, text_contents, text_length);
if (bytes_written != text_length)
{
g_free (text_contents);
close (fd);
g_set_error_literal (error, G_FILE_ERROR,
g_file_error_from_errno (errno),
g_strerror (errno));
return FALSE;
}
g_set_error (error, my_error->domain, my_error->code,
_("Writing palette file '%s' failed: %s"),
gimp_file_get_utf8_name (file), my_error->message);
g_clear_error (&my_error);
g_free (text_contents);
g_object_unref (output);
return FALSE;
}
g_free (text_contents);
}
close (fd);
g_object_unref (output);
return TRUE;
}