pidgin/pidgin

Replace purple_get_host_name by g_get_host_name.

18 months ago, Elliott Sales de Andrade
e353b2390ad8
Replace purple_get_host_name by g_get_host_name.
/* purple
*
* Purple is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This program 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.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include "internal.h"
#include "glibcompat.h"
#include "debug.h"
#include "image.h"
typedef struct {
gchar *path;
GBytes *contents;
const gchar *extension;
const gchar *mime;
gchar *gen_filename;
gchar *friendly_filename;
} PurpleImagePrivate;
enum {
PROP_0,
PROP_PATH,
PROP_CONTENTS,
PROP_SIZE,
PROP_LAST
};
static GParamSpec *properties[PROP_LAST];
G_DEFINE_TYPE_WITH_PRIVATE(PurpleImage, purple_image, G_TYPE_OBJECT);
/******************************************************************************
* Helpers
******************************************************************************/
static void
_purple_image_set_path(PurpleImage *image, const gchar *path) {
PurpleImagePrivate *priv = purple_image_get_instance_private(image);
g_free(priv->path);
priv->path = g_strdup(path);
}
static void
_purple_image_set_contents(PurpleImage *image, GBytes *bytes) {
PurpleImagePrivate *priv = purple_image_get_instance_private(image);
if(priv->contents)
g_bytes_unref(priv->contents);
priv->contents = (bytes) ? g_bytes_ref(bytes) : NULL;
}
/******************************************************************************
* Object stuff
******************************************************************************/
static void
purple_image_init(PurpleImage *image) {
}
static void
purple_image_finalize(GObject *obj) {
PurpleImage *image = PURPLE_IMAGE(obj);
PurpleImagePrivate *priv = purple_image_get_instance_private(image);
if(priv->contents)
g_bytes_unref(priv->contents);
g_free(priv->path);
g_free(priv->gen_filename);
g_free(priv->friendly_filename);
G_OBJECT_CLASS(purple_image_parent_class)->finalize(obj);
}
static void
purple_image_set_property(GObject *obj, guint param_id,
const GValue *value, GParamSpec *pspec)
{
PurpleImage *image = PURPLE_IMAGE(obj);
switch (param_id) {
case PROP_PATH:
_purple_image_set_path(image, g_value_get_string(value));
break;
case PROP_CONTENTS:
_purple_image_set_contents(image, g_value_get_boxed(value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, param_id, pspec);
break;
}
}
static void
purple_image_get_property(GObject *obj, guint param_id, GValue *value,
GParamSpec *pspec)
{
PurpleImage *image = PURPLE_IMAGE(obj);
switch (param_id) {
case PROP_PATH:
g_value_set_string(value, purple_image_get_path(image));
break;
case PROP_CONTENTS:
g_value_set_boxed(value, purple_image_get_contents(image));
break;
case PROP_SIZE:
g_value_set_uint64(value, purple_image_get_data_size(image));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(obj, param_id, pspec);
break;
}
}
static void
purple_image_class_init(PurpleImageClass *klass) {
GObjectClass *gobj_class = G_OBJECT_CLASS(klass);
gobj_class->finalize = purple_image_finalize;
gobj_class->get_property = purple_image_get_property;
gobj_class->set_property = purple_image_set_property;
properties[PROP_PATH] = g_param_spec_string(
"path",
"path",
"The filepath for the image if one was provided",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS
);
properties[PROP_CONTENTS] = g_param_spec_boxed(
"contents",
"contents",
"The contents of the image stored in a GBytes",
G_TYPE_BYTES,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS
);
properties[PROP_SIZE] = g_param_spec_uint64(
"size",
"size",
"The size of the image in bytes",
0,
G_MAXUINT64,
0,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS
);
g_object_class_install_properties(gobj_class, PROP_LAST, properties);
}
/******************************************************************************
* API
******************************************************************************/
PurpleImage *
purple_image_new_from_bytes(GBytes *bytes) {
return g_object_new(
PURPLE_TYPE_IMAGE,
"contents", bytes,
NULL
);
}
PurpleImage *
purple_image_new_from_file(const gchar *path, GError **error) {
PurpleImage *image = NULL;
GBytes *bytes = NULL;
gchar *contents = NULL;
gsize length = 0;
if(!g_file_get_contents(path, &contents, &length, error)) {
return NULL;
}
bytes = g_bytes_new_take(contents, length);
image = g_object_new(
PURPLE_TYPE_IMAGE,
"contents", bytes,
"path", path,
NULL
);
g_bytes_unref(bytes);
return image;
}
PurpleImage *
purple_image_new_from_data(const guint8 *data, gsize length) {
PurpleImage *image;
GBytes *bytes = NULL;
bytes = g_bytes_new(data, length);
image = purple_image_new_from_bytes(bytes);
g_bytes_unref(bytes);
return image;
}
PurpleImage *
purple_image_new_take_data(guint8 *data, gsize length) {
PurpleImage *image;
GBytes *bytes = NULL;
bytes = g_bytes_new_take(data, length);
image = purple_image_new_from_bytes(bytes);
g_bytes_unref(bytes);
return image;
}
gboolean
purple_image_save(PurpleImage *image, const gchar *path) {
PurpleImagePrivate *priv = NULL;
gconstpointer data;
gsize len;
gboolean succ;
g_return_val_if_fail(PURPLE_IS_IMAGE(image), FALSE);
g_return_val_if_fail(path != NULL, FALSE);
g_return_val_if_fail(path[0] != '\0', FALSE);
priv = purple_image_get_instance_private(image);
data = purple_image_get_data(image);
len = purple_image_get_data_size(image);
g_return_val_if_fail(data != NULL, FALSE);
g_return_val_if_fail(len > 0, FALSE);
succ = purple_util_write_data_to_file_absolute(path, data, len);
if (succ && priv->path == NULL)
priv->path = g_strdup(path);
return succ;
}
GBytes *
purple_image_get_contents(PurpleImage *image)
{
PurpleImagePrivate *priv = NULL;
g_return_val_if_fail(PURPLE_IS_IMAGE(image), NULL);
priv = purple_image_get_instance_private(image);
if(priv->contents)
return g_bytes_ref(priv->contents);
return NULL;
}
const gchar *
purple_image_get_path(PurpleImage *image) {
PurpleImagePrivate *priv = NULL;
g_return_val_if_fail(PURPLE_IS_IMAGE(image), NULL);
priv = purple_image_get_instance_private(image);
return priv->path ? priv->path : purple_image_generate_filename(image);
}
gsize
purple_image_get_data_size(PurpleImage *image) {
PurpleImagePrivate *priv;
g_return_val_if_fail(PURPLE_IS_IMAGE(image), 0);
priv = purple_image_get_instance_private(image);
if(priv->contents)
return g_bytes_get_size(priv->contents);
return 0;
}
gconstpointer
purple_image_get_data(PurpleImage *image) {
PurpleImagePrivate *priv = NULL;
g_return_val_if_fail(PURPLE_IS_IMAGE(image), NULL);
priv = purple_image_get_instance_private(image);
if(priv->contents)
return g_bytes_get_data(priv->contents, NULL);
return NULL;
}
const gchar *
purple_image_get_extension(PurpleImage *image) {
PurpleImagePrivate *priv = NULL;
gconstpointer data;
g_return_val_if_fail(PURPLE_IS_IMAGE(image), NULL);
priv = purple_image_get_instance_private(image);
if (priv->extension)
return priv->extension;
if (purple_image_get_data_size(image) < 4)
return NULL;
data = purple_image_get_data(image);
g_assert(data != NULL);
if (memcmp(data, "GIF8", 4) == 0)
return priv->extension = "gif";
if (memcmp(data, "\xff\xd8\xff", 3) == 0) /* 4th may be e0 through ef */
return priv->extension = "jpg";
if (memcmp(data, "\x89PNG", 4) == 0)
return priv->extension = "png";
if (memcmp(data, "MM", 2) == 0)
return priv->extension = "tif";
if (memcmp(data, "II", 2) == 0)
return priv->extension = "tif";
if (memcmp(data, "BM", 2) == 0)
return priv->extension = "bmp";
if (memcmp(data, "\x00\x00\x01\x00", 4) == 0)
return priv->extension = "ico";
return NULL;
}
const gchar *
purple_image_get_mimetype(PurpleImage *image) {
PurpleImagePrivate *priv = NULL;
const gchar *ext = purple_image_get_extension(image);
g_return_val_if_fail(PURPLE_IS_IMAGE(image), NULL);
priv = purple_image_get_instance_private(image);
if (priv->mime)
return priv->mime;
g_return_val_if_fail(ext != NULL, NULL);
if (g_strcmp0(ext, "gif") == 0)
return priv->mime = "image/gif";
if (g_strcmp0(ext, "jpg") == 0)
return priv->mime = "image/jpeg";
if (g_strcmp0(ext, "png") == 0)
return priv->mime = "image/png";
if (g_strcmp0(ext, "tif") == 0)
return priv->mime = "image/tiff";
if (g_strcmp0(ext, "bmp") == 0)
return priv->mime = "image/bmp";
if (g_strcmp0(ext, "ico") == 0)
return priv->mime = "image/vnd.microsoft.icon";
return NULL;
}
const gchar *
purple_image_generate_filename(PurpleImage *image) {
PurpleImagePrivate *priv = NULL;
gconstpointer data;
gsize len;
const gchar *ext = NULL;
gchar *checksum;
g_return_val_if_fail(PURPLE_IS_IMAGE(image), NULL);
priv = purple_image_get_instance_private(image);
if (priv->gen_filename)
return priv->gen_filename;
/* grab the image's data and size of that data */
data = purple_image_get_data(image);
len = purple_image_get_data_size(image);
/* create a checksum of it and use it as the start of our filename */
checksum = g_compute_checksum_for_data(G_CHECKSUM_SHA1, data, len);
/* if the image has a known format, set the extension appropriately */
ext = purple_image_get_extension(image);
if(ext != NULL) {
priv->gen_filename = g_strdup_printf("%s.%s", checksum, ext);
g_free(checksum);
} else {
priv->gen_filename = checksum;
}
return priv->gen_filename;
}
void
purple_image_set_friendly_filename(PurpleImage *image, const gchar *filename) {
PurpleImagePrivate *priv = NULL;
gchar *newname;
const gchar *escaped;
g_return_if_fail(PURPLE_IS_IMAGE(image));
priv = purple_image_get_instance_private(image);
newname = g_path_get_basename(filename);
escaped = purple_escape_filename(newname);
g_free(newname);
newname = NULL;
if (g_strcmp0(escaped, "") == 0 || g_strcmp0(escaped, ".") == 0 ||
g_strcmp0(escaped, G_DIR_SEPARATOR_S) == 0 ||
g_strcmp0(escaped, "/") == 0 || g_strcmp0(escaped, "\\") == 0)
{
escaped = NULL;
}
g_free(priv->friendly_filename);
priv->friendly_filename = g_strdup(escaped);
}
const gchar *
purple_image_get_friendly_filename(PurpleImage *image) {
PurpleImagePrivate *priv = NULL;
g_return_val_if_fail(PURPLE_IS_IMAGE(image), NULL);
priv = purple_image_get_instance_private(image);
if(priv->friendly_filename) {
return priv->friendly_filename;
}
return purple_image_generate_filename(image);
}