/**
* gimp_scanner_new_file:
* @filename:
* @error:
*
* Return value:
*
* Since: GIMP 2.4
**/
GScanner *
gimp_scanner_new_file (const gchar *filename,
GError **error)
{
GScanner *scanner;
GMappedFile *file;
g_return_val_if_fail (filename != NULL, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
file = g_mapped_file_new (filename, FALSE, error);
if (! file)
{
if (error)
{
(*error)->domain = GIMP_CONFIG_ERROR;
(*error)->code = ((*error)->code == G_FILE_ERROR_NOENT ?
GIMP_CONFIG_ERROR_OPEN_ENOENT :
GIMP_CONFIG_ERROR_OPEN);
}
return NULL;
}
/* gimp_scanner_new() takes a "name" for the scanner, not a filename */
scanner = gimp_scanner_new (gimp_filename_to_utf8 (filename), file, error);
g_scanner_input_text (scanner,
g_mapped_file_get_contents (file),
g_mapped_file_get_length (file));
return scanner;
}
/**
* gimp_scanner_new_string:
* @text:
* @text_len:
* @error:
*
* Return value:
*
* Since: 2.4
**/
GScanner *
gimp_scanner_new_string (const gchar *text,
gint text_len,
GError **error)
{
GScanner *scanner;
g_return_val_if_fail (text != NULL || text_len == 0, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
if (text_len < 0)
text_len = strlen (text);
scanner = gimp_scanner_new (NULL, NULL, NULL, error);
g_scanner_input_text (scanner, text, text_len);
return scanner;
}
/**
* gimp_scanner_new_stream:
* @input: a #GInputStream
* @error: return location for #GError, or %NULL
*
* Return value: The new #GScanner.
*
* Since: 2.10
**/
GScanner *
gimp_scanner_new_stream (GInputStream *input,
GError **error)
{
GScanner *scanner;
GFile *file;
const gchar *path;
GString *string;
gchar buffer[4096];
gsize bytes_read;
g_return_val_if_fail (G_IS_INPUT_STREAM (input), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
file = g_object_get_data (G_OBJECT (input), "gimp-file");
if (file)
path = gimp_file_get_utf8_name (file);
else
path = "stream";
string = g_string_new (NULL);
do
{
GError *my_error = NULL;
gboolean success;
success = g_input_stream_read_all (input, buffer, sizeof (buffer),
&bytes_read, NULL, &my_error);
if (bytes_read > 0)
g_string_append_len (string, buffer, bytes_read);
if (! success)
{
if (string->len > 0)
{
g_printerr ("%s: read error in '%s', trying to scan "
"partial content: %s",
G_STRFUNC, path, my_error->message);
g_clear_error (&my_error);
break;
}
g_string_free (string, TRUE);
g_propagate_error (error, my_error);
return NULL;
}
}
while (bytes_read == sizeof (buffer));
/* gimp_scanner_new() takes a "name" for the scanner, not a filename */
scanner = gimp_scanner_new (path, NULL, string->str, error);
bytes_read = string->len;
g_scanner_input_text (scanner, g_string_free (string, FALSE), bytes_read);
return scanner;
}
/**
* gimp_scanner_new_gfile:
* @file: a #GFile
* @error: return location for #GError, or %NULL
*
* Return value: The new #GScanner.
*
* Since: 2.10
**/
GScanner *
gimp_scanner_new_gfile (GFile *file,
GError **error)
{
GScanner *scanner;
gchar *path;
g_return_val_if_fail (G_IS_FILE (file), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
path = g_file_get_path (file);
if (path)
{
GMappedFile *mapped;
mapped = g_mapped_file_new (path, FALSE, error);
g_free (path);
if (! mapped)
{
if (error)
{
(*error)->domain = GIMP_CONFIG_ERROR;
(*error)->code = ((*error)->code == G_FILE_ERROR_NOENT ?
GIMP_CONFIG_ERROR_OPEN_ENOENT :
GIMP_CONFIG_ERROR_OPEN);
}
return NULL;
}
/* gimp_scanner_new() takes a "name" for the scanner, not a filename */
scanner = gimp_scanner_new (gimp_file_get_utf8_name (file),
mapped, NULL, error);
g_scanner_input_text (scanner,
g_mapped_file_get_contents (mapped),
g_mapped_file_get_length (mapped));
}
else
{
GInputStream *input;
input = G_INPUT_STREAM (g_file_read (file, NULL, error));
if (! input)
{
if (error)
{
(*error)->domain = GIMP_CONFIG_ERROR;
(*error)->code = ((*error)->code == G_IO_ERROR_NOT_FOUND ?
GIMP_CONFIG_ERROR_OPEN_ENOENT :
GIMP_CONFIG_ERROR_OPEN);
}
return NULL;
}
g_object_set_data (G_OBJECT (input), "gimp-data", file);
scanner = gimp_scanner_new_stream (input, error);
g_object_unref (input);
}
return scanner;
}
