/**
* Print a meta data entry.
*
* @param cls closure (unused)
* @param plugin_name name of the plugin that generated the meta data
* @param type type of the keyword
* @param format format of data
* @param data_mime_type mime type of data
* @param data value of the meta data
* @param data_size number of bytes in data
* @return always 0 (to continue iterating)
*/
static int
item_printer (void *cls, const char *plugin_name, enum EXTRACTOR_MetaType type,
enum EXTRACTOR_MetaFormat format, const char *data_mime_type,
const char *data, size_t data_size)
{
if (type == EXTRACTOR_METATYPE_GNUNET_FULL_DATA)
{
printf (_("\t<original file embedded in %u bytes of meta data>\n"),
(unsigned int) data_size);
return 0;
}
if ((format != EXTRACTOR_METAFORMAT_UTF8) &&
(format != EXTRACTOR_METAFORMAT_C_STRING))
return 0;
if (type == EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME)
return 0;
printf ("\t%20s: %s\n",
dgettext (LIBEXTRACTOR_GETTEXT_DOMAIN,
EXTRACTOR_metatype_to_string (type)), data);
return 0;
}
/**
* Type of a function that libextractor calls for each
* meta data item found.
*
* @param cls closure (user-defined, unused)
* @param plugin_name name of the plugin that produced this value;
* special values can be used (i.e. '<zlib>' for zlib being
* used in the main libextractor library and yielding
* meta data).
* @param type libextractor-type describing the meta data
* @param format basic format information about data
* @param data_mime_type mime-type of data (not of the original file);
* can be NULL (if mime-type is not known)
* @param data actual meta-data found
* @param data_size number of bytes in data
* @return 0 to continue extracting, 1 to abort
*/
static int
item_printer (void *cls, const char *plugin_name, enum EXTRACTOR_MetaType type,
enum EXTRACTOR_MetaFormat format, const char *data_mime_type,
const char *data, size_t data_size)
{
if ((format != EXTRACTOR_METAFORMAT_UTF8) &&
(format != EXTRACTOR_METAFORMAT_C_STRING))
return 0;
if (type == EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME)
return 0;
#if HAVE_LIBEXTRACTOR
printf ("\t%20s: %s\n",
dgettext (LIBEXTRACTOR_GETTEXT_DOMAIN,
EXTRACTOR_metatype_to_string (type)), data);
#else
printf ("\t%20d: %s\n",
type,
data);
#endif
return 0;
}
static int process_keyword (void *cls, const char *plugin_name,
enum EXTRACTOR_MetaType type,
enum EXTRACTOR_MetaFormat format,
const char *data_mime_type,
const char *data, size_t data_len) {
zval *keywords, **subarray;
const char *ktype = EXTRACTOR_metatype_to_string(type);
const char *kval = estrndup(data, data_len);
ALLOC_INIT_ZVAL(keywords);
array_init(keywords);
if (zend_hash_find(Z_ARRVAL_P((zval*) cls), ktype, strlen(ktype) + 1, (void**) &subarray) == SUCCESS) {
add_next_index_string(*subarray, kval, 1);
return 0;
}
add_next_index_string(keywords, kval, 1);
add_assoc_zval(cls, ktype, keywords);
return 0;
}
static int extractor_callback_metainfo(void *priv,
const char *plugin_name,
enum EXTRACTOR_MetaType type,
enum EXTRACTOR_MetaFormat format,
const char *data_mime_type,
const char *data,
size_t data_len)
{
struct CallbackData *cd = (struct CallbackData *)priv;
if (format == EXTRACTOR_METAFORMAT_UTF8 &&
type != EXTRACTOR_METATYPE_THUMBNAIL &&
cd && !cd->seen_types[type] &&
data && data[0]) {
const char *key = EXTRACTOR_metatype_to_string(type);
if (key) {
cd->Append(key, data);
cd->seen_types[type] = 1;
}
}
return 0;
}
