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cleaned up error handling.

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2006-12-26  Sven Neumann  <sven@gimp.org>

	* plug-ins/print/print-settings.c: cleaned up error handling.
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Sven Neumann 2006-12-26 12:28:57 +00:00 committed by Sven Neumann
parent 3269e65309
commit 3dd2f1d36a
2 changed files with 55 additions and 61 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2006-12-26 Sven Neumann <sven@gimp.org>
* plug-ins/print/print-settings.c: cleaned up error handling.
2006-12-26 Sven Neumann <sven@gimp.org>
* plug-ins/print/print-settings.c (check_version): check keyfile

112
plug-ins/print/print-settings.c
View file

@ -24,11 +24,10 @@
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include <glib/gstdio.h>
#include "print.h"
#include "print-settings.h"
static GKeyFile * print_settings_key_file_from_settings (PrintData *data);
static void save_print_settings_resource_file (GKeyFile *settings_key_file);
@ -143,32 +142,31 @@ print_settings_key_file_from_settings (PrintData *data)
static void
save_print_settings_resource_file (GKeyFile *settings_key_file)
{
gchar *fname;
FILE *settings_file;
gchar *contents;
gsize length;
GError *error = NULL;
gchar *filename;
gchar *contents;
gsize length;
GError *error = NULL;
contents = g_key_file_to_data (settings_key_file, &length, &error);
if (error)
{
g_message ("Unable to get contents of settings key file.");
g_message ("Unable to get contents of settings key file: %s",
error->message);
g_error_free (error);
return;
}
fname = g_build_filename (gimp_directory (), "print-settings", NULL);
settings_file = g_fopen (fname, "w");
if (! settings_file)
filename = g_build_filename (gimp_directory (), "print-settings", NULL);
if (! g_file_set_contents (filename, contents, length, &error))
{
g_message ("Unable to create resource file for print settings.");
return;
g_message ("Unable to write print settings to '%s': %s",
gimp_filename_to_utf8 (filename), error->message);
g_error_free (error);
}
fwrite (contents, sizeof (gchar), length, settings_file);
fclose (settings_file);
g_free (filename);
g_free (contents);
g_free (fname);
}
/*
@ -181,18 +179,19 @@ save_print_settings_as_parasite (GKeyFile *settings_key_file,
{
gchar *contents;
gsize length;
GError *error = NULL;
GError *error = NULL;
contents = g_key_file_to_data (settings_key_file, &length, &error);
if (error)
if (! contents)
{
g_message ("Unable to get contents of settings key file.");
g_message ("Unable to get contents of settings key file: %s",
error->message);
g_error_free (error);
return;
}
gimp_image_attach_new_parasite (image_ID, "print-settings", 0,
length, contents);
gimp_image_attach_new_parasite (image_ID, "print-settings",
0, length, contents);
g_free (contents);
}
@ -216,28 +215,21 @@ static GKeyFile *
print_settings_key_file_from_resource_file (void)
{
GKeyFile *key_file = g_key_file_new ();
gchar *fname;
GError *error = NULL;
gchar *filename;
g_key_file_set_list_separator (key_file, '=');
fname = g_strconcat (gimp_directory (),
G_DIR_SEPARATOR_S,
"print-settings",
NULL);
filename = g_build_filename (gimp_directory (), "print-settings", NULL);
if (! g_key_file_load_from_file (key_file, fname,
G_KEY_FILE_NONE, &error))
if (! g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, NULL))
{
g_key_file_free (key_file);
key_file = NULL;
}
g_free (fname);
g_free (filename);
key_file = check_version (key_file);
return key_file;
return check_version (key_file);
}
/* load information from an image parasite called "print-settings"
@ -249,7 +241,6 @@ print_settings_key_file_from_parasite (gint32 image_ID)
{
GimpParasite *parasite;
GKeyFile *key_file;
GError *error = NULL;
parasite = gimp_image_parasite_find (image_ID, "print-settings");
@ -263,7 +254,7 @@ print_settings_key_file_from_parasite (gint32 image_ID)
if (! g_key_file_load_from_data (key_file,
gimp_parasite_data (parasite),
gimp_parasite_data_size (parasite),
G_KEY_FILE_NONE, &error))
G_KEY_FILE_NONE, NULL))
{
g_key_file_free (key_file);
key_file = NULL;;
@ -271,9 +262,7 @@ print_settings_key_file_from_parasite (gint32 image_ID)
gimp_parasite_free (parasite);
key_file = check_version (key_file);
return key_file;
return check_version (key_file);
}
static gboolean
@ -281,31 +270,34 @@ load_print_settings_from_key_file (PrintData *data,
GKeyFile *key_file)
{
GtkPrintOperation *operation = data->operation;
gchar **keys;
gsize n_keys;
GError *error = NULL;
gint i;
GtkPageSetup *page_setup;
GtkPrintSettings *settings;
gchar **keys;
gsize n_keys;
gint i;
settings = gtk_print_operation_get_print_settings (operation);
if (! settings)
settings = gtk_print_settings_new ();
keys = g_key_file_get_keys (key_file, "print-settings", &n_keys, &error);
keys = g_key_file_get_keys (key_file, "print-settings", &n_keys, NULL);
if (! keys)
return FALSE;
for (i = 0; i < n_keys; i++)
{
gchar *value = g_key_file_get_value (key_file, "print-settings",
keys[i], &error);
gchar *value;
gtk_print_settings_set (settings, keys[i], value);
value = g_key_file_get_value (key_file, "print-settings", keys[i], NULL);
g_free (value);
if (value)
{
gtk_print_settings_set (settings, keys[i], value);
g_free (value);
}
}
g_strfreev (keys);
@ -314,13 +306,12 @@ load_print_settings_from_key_file (PrintData *data,
if (! page_setup)
page_setup = gtk_page_setup_new ();
if (g_key_file_has_key (key_file, "page-setup", "orientation", &error))
if (g_key_file_has_key (key_file, "page-setup", "orientation", NULL))
{
GtkPageOrientation orientation;
orientation = g_key_file_get_integer (key_file,
"page-setup", "orientation",
&error);
"page-setup", "orientation", NULL);
gtk_page_setup_set_orientation (page_setup, orientation);
gtk_print_settings_set_orientation (settings, orientation);
data->orientation = orientation;
@ -329,21 +320,21 @@ load_print_settings_from_key_file (PrintData *data,
gtk_print_operation_set_default_page_setup (operation, page_setup);
/* other settings */
if (g_key_file_has_key (key_file, "other-settings", "show-header", &error))
if (g_key_file_has_key (key_file, "other-settings", "show-header", NULL))
{
data->show_info_header = g_key_file_get_boolean (key_file,
"other-settings",
"show-header", &error);
"show-header", NULL);
}
else
{
data->show_info_header = FALSE;
}
if (g_key_file_has_key (key_file, "other-settings", "unit", &error))
if (g_key_file_has_key (key_file, "other-settings", "unit", NULL))
{
data->unit = g_key_file_get_integer (key_file,
"other-settings", "unit", &error);
"other-settings", "unit", NULL);
}
else
{
@ -358,21 +349,20 @@ load_print_settings_from_key_file (PrintData *data,
static GKeyFile *
check_version (GKeyFile *key_file)
{
gint major_version;
gint minor_version;
GError *error = NULL;
gint major_version;
gint minor_version;
if (! key_file || ! g_key_file_has_group (key_file, "meta"))
return NULL;
major_version = g_key_file_get_integer (key_file,
"meta", "major-version", &error);
"meta", "major-version", NULL);
if (major_version != PRINT_SETTINGS_MAJOR_VERSION)
return NULL;
minor_version = g_key_file_get_integer (key_file,
"meta", "minor-version", &error);
"meta", "minor-version", NULL);
if (minor_version != PRINT_SETTINGS_MINOR_VERSION)
return NULL;