/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Authors:
* Chris Lahey <clahey@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#include <config.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <ctype.h>
#include <math.h>
#include <string.h>
#include <locale.h>
#include <time.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <gio/gio.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h>
#include <libgnome/gnome-init.h>
#include <camel/camel-url.h>
#ifdef G_OS_WIN32
#include <windows.h>
#endif
#include <libedataserver/e-data-server-util.h>
#include <libedataserver/e-categories.h>
#include "filter/filter-option.h"
#include "e-util.h"
#include "e-util-private.h"
/**
* e_get_user_data_dir:
*
* Returns the base directory for Evolution-specific user data.
* The string is owned by Evolution and must not be modified or freed.
*
* Returns: base directory for user data
**/
const gchar *
e_get_user_data_dir (void)
{
static gchar *dirname = NULL;
if (G_UNLIKELY (dirname == NULL))
dirname = g_build_filename (
g_get_home_dir (), ".evolution", NULL);
return dirname;
}
/**
* e_get_accels_filename:
*
* Returns the name of the user data file containing custom keyboard
* accelerator specifications.
*
* Returns: filename for accelerator specifications
**/
const gchar *
e_get_accels_filename (void)
{
static gchar *filename = NULL;
if (G_UNLIKELY (filename == NULL))
filename = g_build_filename (
gnome_user_dir_get (),
"accels", PACKAGE, NULL);
return filename;
}
/**
* e_show_uri:
* @parent: a parent #GtkWindow or %NULL
* @uri: the URI to show
*
* Launches the default application to show the given URI. The URI must
* be of a form understood by GIO. If the URI cannot be shown, it presents
* a dialog describing the error. The dialog is set as transient to @parent
* if @parent is non-%NULL.
**/
void
e_show_uri (GtkWindow *parent,
const gchar *uri)
{
GtkWidget *dialog;
GdkScreen *screen = NULL;
GError *error = NULL;
gchar *decoded_uri;
guint32 timestamp;
g_return_if_fail (uri != NULL);
timestamp = gtk_get_current_event_time ();
if (parent != NULL)
screen = gtk_widget_get_screen (GTK_WIDGET (parent));
decoded_uri = g_strdup (uri);
camel_url_decode (decoded_uri);
if (gtk_show_uri (screen, decoded_uri, timestamp, &error))
goto exit;
dialog = gtk_message_dialog_new_with_markup (
parent, GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
"<big><b>%s</b></big>",
_("Could not open the link."));
gtk_message_dialog_format_secondary_text (
GTK_MESSAGE_DIALOG (dialog), "%s", error->message);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
g_error_free (error);
exit:
g_free (decoded_uri);
}
/**
* e_display_help:
* @parent: a parent #GtkWindow or %NULL
* @link_id: help section to present or %NULL
*
* Opens the user documentation to the section given by @link_id, or to the
* table of contents if @link_id is %NULL. If the user documentation cannot
* be opened, it presents a dialog describing the error. The dialog is set
* as transient to @parent if @parent is non-%NULL.
**/
void
e_display_help (GtkWindow *parent,
const gchar *link_id)
{
GString *uri;
GtkWidget *dialog;
GdkScreen *screen = NULL;
GError *error = NULL;
guint32 timestamp;
uri = g_string_new ("ghelp:" PACKAGE);
timestamp = gtk_get_current_event_time ();
if (parent != NULL)
screen = gtk_widget_get_screen (GTK_WIDGET (parent));
if (link_id != NULL)
g_string_append_printf (uri, "?%s", link_id);
if (gtk_show_uri (screen, uri->str, timestamp, &error))
goto exit;
dialog = gtk_message_dialog_new_with_markup (
parent, GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
"<big><b>%s</b></big>",
_("Could not display help for Evolution."));
gtk_message_dialog_format_secondary_text (
GTK_MESSAGE_DIALOG (dialog), "%s", error->message);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
g_error_free (error);
exit:
g_string_free (uri, TRUE);
}
/**
* e_lookup_action:
* @ui_manager: a #GtkUIManager
* @action_name: the name of an action
*
* Returns the first #GtkAction named @action_name by traversing the
* list of action groups in @ui_manager. If no such action exists, the
* function emits a critical warning before returning %NULL, since this
* probably indicates a programming error and most code is not prepared
* to deal with lookup failures.
*
* Returns: the first #GtkAction named @action_name
**/
GtkAction *
e_lookup_action (GtkUIManager *ui_manager,
const gchar *action_name)
{
GtkAction *action = NULL;
GList *iter;
g_return_val_if_fail (GTK_IS_UI_MANAGER (ui_manager), NULL);
g_return_val_if_fail (action_name != NULL, NULL);
iter = gtk_ui_manager_get_action_groups (ui_manager);
while (iter != NULL) {
GtkActionGroup *action_group = iter->data;
action = gtk_action_group_get_action (
action_group, action_name);
if (action != NULL)
return action;
iter = g_list_next (iter);
}
g_critical ("%s: action `%s' not found", G_STRFUNC, action_name);
return NULL;
}
/**
* e_lookup_action_group:
* @ui_manager: a #GtkUIManager
* @group_name: the name of an action group
*
* Returns the #GtkActionGroup in @ui_manager named @group_name. If no
* such action group exists, the function emits a critical warnings before
* returning %NULL, since this probably indicates a programming error and
* most code is not prepared to deal with lookup failures.
*
* Returns: the #GtkActionGroup named @group_name
**/
GtkActionGroup *
e_lookup_action_group (GtkUIManager *ui_manager,
const gchar *group_name)
{
GList *iter;
g_return_val_if_fail (GTK_IS_UI_MANAGER (ui_manager), NULL);
g_return_val_if_fail (group_name != NULL, NULL);
iter = gtk_ui_manager_get_action_groups (ui_manager);
while (iter != NULL) {
GtkActionGroup *action_group = iter->data;
const gchar *name;
name = gtk_action_group_get_name (action_group);
if (strcmp (name, group_name) == 0)
return action_group;
iter = g_list_next (iter);
}
g_critical ("%s: action group `%s' not found", G_STRFUNC, group_name);
return NULL;
}
/**
* e_load_ui_definition:
* @ui_manager: a #GtkUIManager
* @basename: basename of the UI definition file
*
* Loads a UI definition into @ui_manager from Evolution's UI directory.
* Failure here is fatal, since the application can't function without
* its UI definitions.
*
* Returns: The merge ID for the merged UI. The merge ID can be used to
* unmerge the UI with gtk_ui_manager_remove_ui().
**/
guint
e_load_ui_definition (GtkUIManager *ui_manager,
const gchar *basename)
{
gchar *filename;
guint merge_id;
GError *error = NULL;
g_return_val_if_fail (GTK_IS_UI_MANAGER (ui_manager), 0);
g_return_val_if_fail (basename != NULL, 0);
filename = g_build_filename (EVOLUTION_UIDIR, basename, NULL);
merge_id = gtk_ui_manager_add_ui_from_file (
ui_manager, filename, &error);
g_free (filename);
if (error != NULL) {
g_error ("%s: %s", basename, error->message);
g_assert_not_reached ();
}
return merge_id;
}
/**
* e_action_compare_by_label:
* @action1: a #GtkAction
* @action2: a #GtkAction
*
* Compares the labels for @action1 and @action2 using g_utf8_collate().
*
* Returns: < 0 if @action1 compares before @action2, 0 if they
* compare equal, > 0 if @action1 compares after @action2
**/
gint
e_action_compare_by_label (GtkAction *action1,
GtkAction *action2)
{
gchar *label1;
gchar *label2;
gint result;
/* XXX This is horribly inefficient but will generally only be
* used on short lists of actions during UI construction. */
if (action1 == action2)
return 0;
g_object_get (action1, "label", &label1, NULL);
g_object_get (action2, "label", &label2, NULL);
result = g_utf8_collate (label1, label2);
g_free (label1);
g_free (label2);
return result;
}
/**
* e_action_group_remove_all_actions:
* @action_group: a #GtkActionGroup
*
* Removes all actions from the action group.
**/
void
e_action_group_remove_all_actions (GtkActionGroup *action_group)
{
GList *list, *iter;
/* XXX I've proposed this function for inclusion in GTK+.
* GtkActionGroup stores actions in an internal hash
* table and can do this more efficiently by calling
* g_hash_table_remove_all().
*
* http://bugzilla.gnome.org/show_bug.cgi?id=550485 */
g_return_if_fail (GTK_IS_ACTION_GROUP (action_group));
list = gtk_action_group_list_actions (action_group);
for (iter = list; iter != NULL; iter = iter->next)
gtk_action_group_remove_action (action_group, iter->data);
g_list_free (list);
}
/**
* e_str_without_underscores:
* @s: the string to strip underscores from.
*
* Strips underscores from a string in the same way @gtk_label_new_with_mnemonis does.
* The returned string should be freed.
*/
gchar *
e_str_without_underscores (const gchar *s)
{
gchar *new_string;
const gchar *sp;
gchar *dp;
new_string = g_malloc (strlen (s) + 1);
dp = new_string;
for (sp = s; *sp != '\0'; sp ++) {
if (*sp != '_') {
*dp = *sp;
dp ++;
} else if (sp[1] == '_') {
/* Translate "__" in "_". */
*dp = '_';
dp ++;
sp ++;
}
}
*dp = 0;
return new_string;
}
gint
e_str_compare (gconstpointer x, gconstpointer y)
{
if (x == NULL || y == NULL) {
if (x == y)
return 0;
else
return x ? -1 : 1;
}
return strcmp (x, y);
}
gint
e_str_case_compare (gconstpointer x, gconstpointer y)
{
gchar *cx, *cy;
gint res;
if (x == NULL || y == NULL) {
if (x == y)
return 0;
else
return x ? -1 : 1;
}
cx = g_utf8_casefold (x, -1);
cy = g_utf8_casefold (y, -1);
res = g_utf8_collate (cx, cy);
g_free (cx);
g_free (cy);
return res;
}
gint
e_collate_compare (gconstpointer x, gconstpointer y)
{
if (x == NULL || y == NULL) {
if (x == y)
return 0;
else
return x ? -1 : 1;
}
return g_utf8_collate (x, y);
}
gint
e_int_compare (gconstpointer x, gconstpointer y)
{
gint nx = GPOINTER_TO_INT (x);
gint ny = GPOINTER_TO_INT (y);
return (nx == ny) ? 0 : (nx < ny) ? -1 : 1;
}
gboolean
e_write_file_uri (const gchar *filename, const gchar *data)
{
gboolean res;
gsize length;
GFile *file;
GOutputStream *stream;
GError *error = NULL;
g_return_val_if_fail (filename != NULL, FALSE);
g_return_val_if_fail (data != NULL, FALSE);
length = strlen (data);
/* if it is uri, then create file for uri, otherwise for path */
if (strstr (filename, "://"))
file = g_file_new_for_uri (filename);
else
file = g_file_new_for_path (filename);
if (!file) {
g_warning ("Couldn't save item");
return FALSE;
}
stream = G_OUTPUT_STREAM (g_file_replace (file, NULL, FALSE, G_FILE_CREATE_NONE, NULL, &error));
g_object_unref (file);
if (!stream || error) {
g_warning ("Couldn't save item%s%s", error ? ": " : "", error ? error->message : "");
if (stream)
g_object_unref (stream);
if (error)
g_error_free (error);
return FALSE;
}
res = g_output_stream_write_all (stream, data, length, NULL, NULL, &error);
if (error) {
g_warning ("Couldn't save item: %s", error->message);
g_clear_error (&error);
}
g_output_stream_close (stream, NULL, &error);
g_object_unref (stream);
if (error) {
g_warning ("Couldn't close output stream: %s", error->message);
g_error_free (error);
}
return res;
}
/**
* e_color_to_value:
* color: a #GdkColor
*
* Converts a #GdkColor to a 24-bit RGB color value.
*
* Returns: a 24-bit color value
**/
guint32
e_color_to_value (GdkColor *color)
{
guint16 red;
guint16 green;
guint16 blue;
g_return_val_if_fail (color != NULL, 0);
red = color->red >> 8;
green = color->green >> 8;
blue = color->blue >> 8;
return (guint32) (((red << 16) | (green << 8) | blue) & 0xffffff);
}
static gint
epow10 (gint number)
{
gint value = 1;
while (number-- > 0)
value *= 10;
return value;
}
gchar *
e_format_number (gint number)
{
GList *iterator, *list = NULL;
struct lconv *locality;
gint char_length = 0;
gint group_count = 0;
gchar *grouping;
gint last_count = 3;
gint divider;
gchar *value;
gchar *value_iterator;
locality = localeconv();
grouping = locality->grouping;
while (number) {
gchar *group;
switch (*grouping) {
default:
last_count = *grouping;
grouping++;
case 0:
divider = epow10(last_count);
if (number >= divider) {
group = g_strdup_printf("%0*d", last_count, number % divider);
} else {
group = g_strdup_printf("%d", number % divider);
}
number /= divider;
break;
case CHAR_MAX:
group = g_strdup_printf("%d", number);
number = 0;
break;
}
char_length += strlen(group);
list = g_list_prepend(list, group);
group_count ++;
}
if (list) {
value = g_new(gchar, 1 + char_length + (group_count - 1) * strlen(locality->thousands_sep));
iterator = list;
value_iterator = value;
strcpy(value_iterator, iterator->data);
value_iterator += strlen(iterator->data);
for (iterator = iterator->next; iterator; iterator = iterator->next) {
strcpy(value_iterator, locality->thousands_sep);
value_iterator += strlen(locality->thousands_sep);
strcpy(value_iterator, iterator->data);
value_iterator += strlen(iterator->data);
}
g_list_foreach (list, (GFunc) g_free, NULL);
g_list_free (list);
return value;
} else {
return g_strdup("0");
}
}
/* Perform a binary search for key in base which has nmemb elements
of size bytes each. The comparisons are done by (*compare)(). */
void
e_bsearch (gconstpointer key,
gconstpointer base,
gsize nmemb,
gsize size,
ESortCompareFunc compare,
gpointer closure,
gsize *start,
gsize *end)
{
gsize l, u, idx;
gconstpointer p;
gint comparison;
if (!(start || end))
return;
l = 0;
u = nmemb;
while (l < u) {
idx = (l + u) / 2;
p = (((const gchar *) base) + (idx * size));
comparison = (*compare) (key, p, closure);
if (comparison < 0)
u = idx;
else if (comparison > 0)
l = idx + 1;
else {
gsize lsave, usave;
lsave = l;
usave = u;
if (start) {
while (l < u) {
idx = (l + u) / 2;
p = (((const gchar *) base) + (idx * size));
comparison = (*compare) (key, p, closure);
if (comparison <= 0)
u = idx;
else
l = idx + 1;
}
*start = l;
l = lsave;
u = usave;
}
if (end) {
while (l < u) {
idx = (l + u) / 2;
p = (((const gchar *) base) + (idx * size));
comparison = (*compare) (key, p, closure);
if (comparison < 0)
u = idx;
else
l = idx + 1;
}
*end = l;
}
return;
}
}
if (start)
*start = l;
if (end)
*end = l;
}
/**
* Function to do a last minute fixup of the AM/PM stuff if the locale
* and gettext haven't done it right. Most English speaking countries
* except the USA use the 24 hour clock (UK, Australia etc). However
* since they are English nobody bothers to write a language
* translation (gettext) file. So the locale turns off the AM/PM, but
* gettext does not turn on the 24 hour clock. Leaving a mess.
*
* This routine checks if AM/PM are defined in the locale, if not it
* forces the use of the 24 hour clock.
*
* The function itself is a front end on strftime and takes exactly
* the same arguments.
*
* TODO: Actually remove the '%p' from the fixed up string so that
* there isn't a stray space.
**/
gsize
e_strftime_fix_am_pm (gchar *str, gsize max, const gchar *fmt,
const struct tm *tm)
{
gchar buf[10];
gchar *sp;
gchar *ffmt;
gsize ret;
if (strstr(fmt, "%p")==NULL && strstr(fmt, "%P")==NULL) {
/* No AM/PM involved - can use the fmt string directly */
ret=e_strftime(str, max, fmt, tm);
} else {
/* Get the AM/PM symbol from the locale */
e_strftime (buf, 10, "%p", tm);
if (buf[0]) {
/**
* AM/PM have been defined in the locale
* so we can use the fmt string directly
**/
ret=e_strftime(str, max, fmt, tm);
} else {
/**
* No AM/PM defined by locale
* must change to 24 hour clock
**/
ffmt=g_strdup(fmt);
for (sp=ffmt; (sp=strstr(sp, "%l")); sp++) {
/**
* Maybe this should be 'k', but I have never
* seen a 24 clock actually use that format
**/
sp[1]='H';
}
for (sp=ffmt; (sp=strstr(sp, "%I")); sp++) {
sp[1]='H';
}
ret=e_strftime(str, max, ffmt, tm);
g_free(ffmt);
}
}
return(ret);
}
gsize
e_utf8_strftime_fix_am_pm (gchar *str, gsize max, const gchar *fmt,
const struct tm *tm)
{
gsize sz, ret;
gchar *locale_fmt, *buf;
locale_fmt = g_locale_from_utf8(fmt, -1, NULL, &sz, NULL);
if (!locale_fmt)
return 0;
ret = e_strftime_fix_am_pm(str, max, locale_fmt, tm);
if (!ret) {
g_free (locale_fmt);
return 0;
}
buf = g_locale_to_utf8(str, ret, NULL, &sz, NULL);
if (!buf) {
g_free (locale_fmt);
return 0;
}
if (sz >= max) {
gchar *tmp = buf + max - 1;
tmp = g_utf8_find_prev_char(buf, tmp);
if (tmp)
sz = tmp - buf;
else
sz = 0;
}
memcpy(str, buf, sz);
str[sz] = '\0';
g_free(locale_fmt);
g_free(buf);
return sz;
}
/**
* e_get_month_name:
* @month: month index
* @abbreviated: if %TRUE, abbreviate the month name
*
* Returns the localized name for @month. If @abbreviated is %TRUE,
* returns the locale's abbreviated month name.
*
* Returns: localized month name
**/
const gchar *
e_get_month_name (GDateMonth month,
gboolean abbreviated)
{
/* Make the indices correspond to the enum values. */
static const gchar *abbr_names[G_DATE_DECEMBER + 1];
static const gchar *full_names[G_DATE_DECEMBER + 1];
static gboolean first_time = TRUE;
g_return_val_if_fail (month >= G_DATE_JANUARY, NULL);
g_return_val_if_fail (month <= G_DATE_DECEMBER, NULL);
if (G_UNLIKELY (first_time)) {
gchar buffer[256];
GDateMonth ii;
GDate date;
memset (abbr_names, 0, sizeof (abbr_names));
memset (full_names, 0, sizeof (full_names));
/* First Julian day was in January. */
g_date_set_julian (&date, 1);
for (ii = G_DATE_JANUARY; ii <= G_DATE_DECEMBER; ii++) {
g_date_strftime (buffer, sizeof (buffer), "%b", &date);
abbr_names[ii] = g_intern_string (buffer);
g_date_strftime (buffer, sizeof (buffer), "%B", &date);
full_names[ii] = g_intern_string (buffer);
g_date_add_months (&date, 1);
}
first_time = FALSE;
}
return abbreviated ? abbr_names[month] : full_names[month];
}
/**
* e_get_weekday_name:
* @weekday: weekday index
* @abbreviated: if %TRUE, abbreviate the weekday name
*
* Returns the localized name for @weekday. If @abbreviated is %TRUE,
* returns the locale's abbreviated weekday name.
*
* Returns: localized weekday name
**/
const gchar *
e_get_weekday_name (GDateWeekday weekday,
gboolean abbreviated)
{
/* Make the indices correspond to the enum values. */
static const gchar *abbr_names[G_DATE_SUNDAY + 1];
static const gchar *full_names[G_DATE_SUNDAY + 1];
static gboolean first_time = TRUE;
g_return_val_if_fail (weekday >= G_DATE_MONDAY, NULL);
g_return_val_if_fail (weekday <= G_DATE_SUNDAY, NULL);
if (G_UNLIKELY (first_time)) {
gchar buffer[256];
GDateWeekday ii;
GDate date;
memset (abbr_names, 0, sizeof (abbr_names));
memset (full_names, 0, sizeof (full_names));
/* First Julian day was a Monday. */
g_date_set_julian (&date, 1);
for (ii = G_DATE_MONDAY; ii <= G_DATE_SUNDAY; ii++) {
g_date_strftime (buffer, sizeof (buffer), "%a", &date);
abbr_names[ii] = g_intern_string (buffer);
g_date_strftime (buffer, sizeof (buffer), "%A", &date);
full_names[ii] = g_intern_string (buffer);
g_date_add_days (&date, 1);
}
first_time = FALSE;
}
return abbreviated ? abbr_names[weekday] : full_names[weekday];
}
/**
* e_flexible_strtod:
* @nptr: the string to convert to a numeric value.
* @endptr: if non-NULL, it returns the character after
* the last character used in the conversion.
*
* Converts a string to a gdouble value. This function detects
* strings either in the standard C locale or in the current locale.
*
* This function is typically used when reading configuration files or
* other non-user input that should not be locale dependent, but may
* have been in the past. To handle input from the user you should
* normally use the locale-sensitive system strtod function.
*
* To convert from a double to a string in a locale-insensitive way, use
* @g_ascii_dtostr.
*
* Return value: the gdouble value.
**/
gdouble
e_flexible_strtod (const gchar *nptr, gchar **endptr)
{
gchar *fail_pos;
gdouble val;
struct lconv *locale_data;
const gchar *decimal_point;
gint decimal_point_len;
const gchar *p, *decimal_point_pos;
const gchar *end = NULL; /* Silence gcc */
gchar *copy, *c;
g_return_val_if_fail (nptr != NULL, 0);
fail_pos = NULL;
locale_data = localeconv ();
decimal_point = locale_data->decimal_point;
decimal_point_len = strlen (decimal_point);
g_return_val_if_fail (decimal_point_len != 0, 0);
decimal_point_pos = NULL;
if (!strcmp (decimal_point, "."))
return strtod (nptr, endptr);
p = nptr;
/* Skip leading space */
while (isspace ((guchar)*p))
p++;
/* Skip leading optional sign */
if (*p == '+' || *p == '-')
p++;
if (p[0] == '0' &&
(p[1] == 'x' || p[1] == 'X')) {
p += 2;
/* HEX - find the (optional) decimal point */
while (isxdigit ((guchar)*p))
p++;
if (*p == '.') {
decimal_point_pos = p++;
while (isxdigit ((guchar)*p))
p++;
if (*p == 'p' || *p == 'P')
p++;
if (*p == '+' || *p == '-')
p++;
while (isdigit ((guchar)*p))
p++;
end = p;
} else if (strncmp (p, decimal_point, decimal_point_len) == 0) {
return strtod (nptr, endptr);
}
} else {
while (isdigit ((guchar)*p))
p++;
if (*p == '.') {
decimal_point_pos = p++;
while (isdigit ((guchar)*p))
p++;
if (*p == 'e' || *p == 'E')
p++;
if (*p == '+' || *p == '-')
p++;
while (isdigit ((guchar)*p))
p++;
end = p;
} else if (strncmp (p, decimal_point, decimal_point_len) == 0) {
return strtod (nptr, endptr);
}
}
/* For the other cases, we need not convert the decimal point */
if (!decimal_point_pos)
return strtod (nptr, endptr);
/* We need to convert the '.' to the locale specific decimal point */
copy = g_malloc (end - nptr + 1 + decimal_point_len);
c = copy;
memcpy (c, nptr, decimal_point_pos - nptr);
c += decimal_point_pos - nptr;
memcpy (c, decimal_point, decimal_point_len);
c += decimal_point_len;
memcpy (c, decimal_point_pos + 1, end - (decimal_point_pos + 1));
c += end - (decimal_point_pos + 1);
*c = 0;
val = strtod (copy, &fail_pos);
if (fail_pos) {
if (fail_pos > decimal_point_pos)
fail_pos = (gchar *)nptr + (fail_pos - copy) - (decimal_point_len - 1);
else
fail_pos = (gchar *)nptr + (fail_pos - copy);
}
g_free (copy);
if (endptr)
*endptr = fail_pos;
return val;
}
/**
* e_ascii_dtostr:
* @buffer: A buffer to place the resulting string in
* @buf_len: The length of the buffer.
* @format: The printf-style format to use for the
* code to use for converting.
* @d: The double to convert
*
* Converts a double to a string, using the '.' as
* decimal_point. To format the number you pass in
* a printf-style formating string. Allowed conversion
* specifiers are eEfFgG.
*
* If you want to generates enough precision that converting
* the string back using @g_strtod gives the same machine-number
* (on machines with IEEE compatible 64bit doubles) use the format
* string "%.17g". If you do this it is guaranteed that the size
* of the resulting string will never be larger than
* @G_ASCII_DTOSTR_BUF_SIZE bytes.
*
* Return value: The pointer to the buffer with the converted string.
**/
gchar *
e_ascii_dtostr (gchar *buffer, gint buf_len, const gchar *format, gdouble d)
{
struct lconv *locale_data;
const gchar *decimal_point;
gint decimal_point_len;
gchar *p;
gint rest_len;
gchar format_char;
g_return_val_if_fail (buffer != NULL, NULL);
g_return_val_if_fail (format[0] == '%', NULL);
g_return_val_if_fail (strpbrk (format + 1, "'l%") == NULL, NULL);
format_char = format[strlen (format) - 1];
g_return_val_if_fail (format_char == 'e' || format_char == 'E' ||
format_char == 'f' || format_char == 'F' ||
format_char == 'g' || format_char == 'G',
NULL);
if (format[0] != '%')
return NULL;
if (strpbrk (format + 1, "'l%"))
return NULL;
if (!(format_char == 'e' || format_char == 'E' ||
format_char == 'f' || format_char == 'F' ||
format_char == 'g' || format_char == 'G'))
return NULL;
g_snprintf (buffer, buf_len, format, d);
locale_data = localeconv ();
decimal_point = locale_data->decimal_point;
decimal_point_len = strlen (decimal_point);
g_return_val_if_fail (decimal_point_len != 0, NULL);
if (strcmp (decimal_point, ".")) {
p = buffer;
if (*p == '+' || *p == '-')
p++;
while (isdigit ((guchar)*p))
p++;
if (strncmp (p, decimal_point, decimal_point_len) == 0) {
*p = '.';
p++;
if (decimal_point_len > 1) {
rest_len = strlen (p + (decimal_point_len-1));
memmove (p, p + (decimal_point_len-1),
rest_len);
p[rest_len] = 0;
}
}
}
return buffer;
}
gchar *
e_strdup_append_strings (gchar *first_string, ...)
{
gchar *buffer;
gchar *current;
gint length;
va_list args1;
va_list args2;
gchar *v_string;
gint v_int;
va_start (args1, first_string);
G_VA_COPY (args2, args1);
length = 0;
v_string = first_string;
while (v_string) {
v_int = va_arg (args1, gint);
if (v_int >= 0)
length += v_int;
else
length += strlen (v_string);
v_string = va_arg (args1, gchar *);
}
buffer = g_new (gchar, length + 1);
current = buffer;
v_string = first_string;
while (v_string) {
v_int = va_arg (args2, gint);
if (v_int < 0) {
gint i;
for (i = 0; v_string[i]; i++) {
*(current++) = v_string[i];
}
} else {
gint i;
for (i = 0; v_string[i] && i < v_int; i++) {
*(current++) = v_string[i];
}
}
v_string = va_arg (args2, gchar *);
}
*(current++) = 0;
va_end (args1);
va_end (args2);
return buffer;
}
cairo_font_options_t *
get_font_options (void)
{
gchar *antialiasing, *hinting, *subpixel_order;
GConfClient *gconf = gconf_client_get_default ();
cairo_font_options_t *font_options = cairo_font_options_create ();
/* Antialiasing */
antialiasing = gconf_client_get_string (gconf,
"/desktop/gnome/font_rendering/antialiasing", NULL);
if (antialiasing == NULL)
cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_DEFAULT);
else {
if (strcmp (antialiasing, "grayscale") == 0)
cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_GRAY);
else if (strcmp (antialiasing, "rgba") == 0)
cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_SUBPIXEL);
else if (strcmp (antialiasing, "none") == 0)
cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_NONE);
else
cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_DEFAULT);
}
hinting = gconf_client_get_string (gconf,
"/desktop/gnome/font_rendering/hinting", NULL);
if (hinting == NULL)
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_DEFAULT);
else {
if (strcmp (hinting, "full") == 0)
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_FULL);
else if (strcmp (hinting, "medium") == 0)
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_MEDIUM);
else if (strcmp (hinting, "slight") == 0)
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_SLIGHT);
else if (strcmp (hinting, "none") == 0)
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_NONE);
else
cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_DEFAULT);
}
subpixel_order = gconf_client_get_string (gconf,
"/desktop/gnome/font_rendering/rgba_order", NULL);
if (subpixel_order == NULL)
cairo_font_options_set_subpixel_order (font_options, CAIRO_SUBPIXEL_ORDER_DEFAULT);
else {
if (strcmp (subpixel_order, "rgb") == 0)
cairo_font_options_set_subpixel_order (font_options, CAIRO_SUBPIXEL_ORDER_RGB);
else if (strcmp (subpixel_order, "bgr") == 0)
cairo_font_options_set_subpixel_order (font_options, CAIRO_SUBPIXEL_ORDER_BGR);
else if (strcmp (subpixel_order, "vrgb") == 0)
cairo_font_options_set_subpixel_order (font_options, CAIRO_SUBPIXEL_ORDER_VRGB);
else if (strcmp (subpixel_order, "vbgr") == 0)
cairo_font_options_set_subpixel_order (font_options, CAIRO_SUBPIXEL_ORDER_VBGR);
else
cairo_font_options_set_subpixel_order (font_options, CAIRO_SUBPIXEL_ORDER_DEFAULT);
}
g_free (antialiasing);
g_free (hinting);
g_free (subpixel_order);
g_object_unref (gconf);
return font_options;
}
/**
* e_file_update_save_path:
* @uri: URI to store
* @free: If TRUE, free uri
*
* Save the save_dir path for evolution. If free is TRUE, uri gets freed when
* done. Genearally, this should be called with the output of
* gtk_file_chooser_get_current_folder_uri() The URI must be a path URI, not a
* file URI.
**/
void
e_file_update_save_path (gchar *uri, gboolean free)
{
GConfClient *gconf = gconf_client_get_default();
GError *error = NULL;
gconf_client_set_string(gconf, "/apps/evolution/mail/save_dir", uri, &error);
if (error != NULL) {
g_warning("%s (%s) %s", G_STRLOC, G_STRFUNC, error->message);
g_clear_error(&error);
}
g_object_unref(gconf);
if (free)
g_free(uri);
}
/**
* e_file_get_save_path:
*
* Return the save_dir path for evolution. If there isn't a save_dir, returns
* the users home directory. Returns an allocated URI that should be freed by
* the caller.
**/
gchar *
e_file_get_save_path (void)
{
GConfClient *gconf = gconf_client_get_default();
GError *error = NULL;
gchar *uri;
uri = gconf_client_get_string(gconf, "/apps/evolution/mail/save_dir", &error);
if (error != NULL) {
g_warning("%s (%s) %s", G_STRLOC, G_STRFUNC, error->message);
g_clear_error(&error);
}
g_object_unref(gconf);
if (uri == NULL) {
GFile *file;
file = g_file_new_for_path (g_get_home_dir ());
if (file) {
uri = g_file_get_uri (file);
g_object_unref (file);
}
}
return (uri);
}
/* Evolution Locks for crash recovery */
#define LOCK_FILE ".running"
static const gchar *
get_lock_filename (void)
{
static gchar *filename = NULL;
if (G_UNLIKELY (filename == NULL))
filename = g_build_filename (e_get_user_data_dir (), LOCK_FILE, NULL);
return filename;
}
gboolean
e_file_lock_create ()
{
const gchar *fname = get_lock_filename ();
gboolean status = FALSE;
gint fd = g_creat (fname, S_IRUSR|S_IWUSR);
if (fd == -1){
g_warning ("Lock file '%s' creation failed, error %d\n", fname, errno);
} else {
status = TRUE;
close (fd);
}
return status;
}
void
e_file_lock_destroy ()
{
const gchar *fname = get_lock_filename ();
if (g_unlink (fname) == -1){
g_warning ("Lock destroy: failed to unlink file '%s'!",fname);
}
}
gboolean
e_file_lock_exists ()
{
const gchar *fname = get_lock_filename ();
return g_file_test (fname, G_FILE_TEST_EXISTS);
}
/**
* e_util_guess_mime_type:
* @filename: it's a local file name, or URI.
* @localfile: set to TRUE if can check the local file content, FALSE to check only based on the filename itself.
* Returns: NULL or newly allocated string with a mime_type of the given file. Free with g_free.
*
* Guesses mime_type for the given filename.
**/
gchar *
e_util_guess_mime_type (const gchar *filename, gboolean localfile)
{
gchar *mime_type = NULL;
g_return_val_if_fail (filename != NULL, NULL);
if (localfile) {
GFile *file;
if (strstr (filename, "://"))
file = g_file_new_for_uri (filename);
else
file = g_file_new_for_path (filename);
if (file) {
GFileInfo *fi;
fi = g_file_query_info (file, G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE, G_FILE_QUERY_INFO_NONE, NULL, NULL);
if (fi) {
mime_type = g_content_type_get_mime_type (g_file_info_get_content_type (fi));
g_object_unref (fi);
}
g_object_unref (file);
}
}
if (!mime_type) {
/* file doesn't exists locally, thus guess based on the filename */
gboolean uncertain = FALSE;
gchar *content_type;
content_type = g_content_type_guess (filename, NULL, 0, &uncertain);
if (content_type) {
mime_type = g_content_type_get_mime_type (content_type);
g_free (content_type);
}
}
return mime_type;
}
/**
* e_util_filename_to_uri:
* @filename: local file name.
* Returns: either newly allocated string or NULL. Free with g_free.
*
* Converts local file name to URI.
**/
gchar *
e_util_filename_to_uri (const gchar *filename)
{
GFile *file;
gchar *uri = NULL;
g_return_val_if_fail (filename != NULL, NULL);
file = g_file_new_for_path (filename);
if (file) {
uri = g_file_get_uri (file);
g_object_unref (file);
}
return uri;
}
/**
* e_util_uri_to_filename:
* @uri: uri.
* Returns: either newly allocated string or NULL. Free with g_free.
*
* Converts URI to local file name. NULL indicates no such local file name exists.
**/
gchar *
e_util_uri_to_filename (const gchar *uri)
{
GFile *file;
gchar *filename = NULL;
g_return_val_if_fail (uri != NULL, NULL);
file = g_file_new_for_uri (uri);
if (file) {
filename = g_file_get_path (file);
g_object_unref (file);
}
return filename;
}
/**
* e_util_read_file:
* @filename: File name to read.
* @filename_is_uri: Whether the file name is URI, if not, then it's a local path.
* @buffer: Read content or the file. Should not be NULL. Returned value should be freed with g_free.
* @read: Number of actually read bytes. Should not be NULL.
* @error: Here will be returned an error from reading operations. Can be NULL. Not every time is set when returned FALSE.
* Returns: Whether was reading successful or not.
*
* Reads synchronously content of the file, to which is pointed either by path or by URI.
* Mount point should be already mounted when calling this function.
**/
gboolean
e_util_read_file (const gchar *filename, gboolean filename_is_uri, gchar **buffer, gsize *read, GError **error)
{
GFile *file;
GFileInfo *info;
GError *err = NULL;
gboolean res = FALSE;
g_return_val_if_fail (filename != NULL, FALSE);
g_return_val_if_fail (buffer != NULL, FALSE);
g_return_val_if_fail (read != NULL, FALSE);
*buffer = NULL;
*read = 0;
if (filename_is_uri)
file = g_file_new_for_uri (filename);
else
file = g_file_new_for_path (filename);
g_return_val_if_fail (file != NULL, FALSE);
info = g_file_query_info (file, G_FILE_ATTRIBUTE_STANDARD_SIZE, G_FILE_QUERY_INFO_NONE, NULL, &err);
if (!err && info) {
guint64 sz;
gchar *buff;
sz = g_file_info_get_attribute_uint64 (info, G_FILE_ATTRIBUTE_STANDARD_SIZE);
buff = g_malloc (sizeof (char) * sz);
if (buff) {
GInputStream *stream;
stream = G_INPUT_STREAM (g_file_read (file, NULL, &err));
if (!err && stream) {
res = g_input_stream_read_all (stream, buff, sz, read, NULL, &err);
if (err)
res = FALSE;
if (res)
*buffer = buff;
else
g_free (buff);
}
if (stream)
g_object_unref (stream);
}
}
if (info)
g_object_unref (info);
g_object_unref (file);
if (err) {
if (error)
*error = err;
else
g_error_free (err);
}
return res;
}
GSList *
e_util_get_category_filter_options (void)
{
GSList *res = NULL;
GList *clist, *l;
clist = e_categories_get_list ();
for (l = clist; l; l = l->next) {
const gchar *cname = l->data;
struct _filter_option *fo = g_new0 (struct _filter_option, 1);
fo->title = g_strdup (cname);
fo->value = g_strdup (cname);
res = g_slist_prepend (res, fo);
}
g_list_free (clist);
return g_slist_reverse (res);
}
static gpointer
e_camel_object_copy (gpointer camel_object)
{
if (CAMEL_IS_OBJECT (camel_object))
camel_object_ref (camel_object);
return camel_object;
}
static void
e_camel_object_free (gpointer camel_object)
{
if (CAMEL_IS_OBJECT (camel_object))
camel_object_unref (camel_object);
}
GType
e_camel_object_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (type == 0))
type = g_boxed_type_register_static (
"ECamelObject",
(GBoxedCopyFunc) e_camel_object_copy,
(GBoxedFreeFunc) e_camel_object_free);
return type;
}