diff options
Diffstat (limited to 'src/libtracker-extract/tracker-guarantee.c')
| -rw-r--r-- | src/libtracker-extract/tracker-guarantee.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/libtracker-extract/tracker-guarantee.c b/src/libtracker-extract/tracker-guarantee.c index f43a4e653..9b8460a08 100644 --- a/src/libtracker-extract/tracker-guarantee.c +++ b/src/libtracker-extract/tracker-guarantee.c @@ -87,6 +87,9 @@ get_date_from_file_mtime (const gchar *uri) * (before the "." and extension of the file) as the title. If the * title has any "_" characters, they are also converted into spaces. * + * This function only operates if Tracker was compiled with + * --enable-guarantee-metadata enabled at configure-time. + * * Returns: %TRUE on success and content was added to @metadata, otherwise %FALSE. * * Since: 0.10 @@ -160,6 +163,9 @@ tracker_guarantee_title_from_file (TrackerSparqlBuilder *metadata, * When parsing @uri, stat() is called on the file to create a * date based on the file's mtime. * + * This function only operates if Tracker was compiled with + * --enable-guarantee-metadata enabled at configure-time. + * * Returns: %TRUE on success and content was added to @metadata, otherwise %FALSE. * * Since: 0.10 @@ -205,3 +211,140 @@ tracker_guarantee_date_from_file_mtime (TrackerSparqlBuilder *metadata, return success; } + + +/** + * tracker_guarantee_resource_title_from_file: + * @resource: the relevant #TrackerResource + * @key: the property URI to set + * @current_value: the current data to check before looking at @uri. + * @uri: a string representing a URI to use + * @p_new_value: pointer to a string which receives the new title, or + * %NULL + * + * Checks @current_value to make sure it is usable (i.e. not %NULL or an + * empty string). If it is not usable, then @uri is parsed to guarantee a + * metadata value for @key. + * + * Parses the file pointed to by @uri and uses the basename + * (before the "." and extension of the file) as the title. If the + * title has any "_" characters, they are also converted into spaces. + * + * This function only operates if Tracker was compiled with + * --enable-guarantee-metadata enabled at configure-time. + * + * Returns: %TRUE on success and content was added to @metadata, otherwise %FALSE. + * + * Since: 1.10 + **/ +gboolean +tracker_guarantee_resource_title_from_file (TrackerResource *resource, + const gchar *key, + const gchar *current_value, + const gchar *uri, + gchar **p_new_value) +{ + gboolean success = TRUE; + +#ifdef GUARANTEE_METADATA + g_return_val_if_fail (metadata != NULL, FALSE); + g_return_val_if_fail (key != NULL, FALSE); + g_return_val_if_fail (uri != NULL, FALSE); + + if (current_value && *current_value != '\0') { + tracker_resource_set_string (resource, key, current_value); + + if (p_new_value != NULL) { + *p_new_value = g_strdup (current_value); + } + } else { + gchar *value; + + value = get_title_from_file (uri); + + if (value && value[0] != '\0') { + tracker_resource_set_string (resource, key, value); + } else { + success = FALSE; + } + + if (p_new_value != NULL) { + *p_new_value = value; + } else { + g_free (value); + } + } +#else /* GUARANTEE_METADATA */ + if (current_value && *current_value != '\0') { + tracker_resource_set_string (resource, key, current_value); + + if (p_new_value != NULL) { + *p_new_value = g_strdup (current_value); + } + } else { + success = FALSE; + } +#endif /* GUARANTEE_METADATA */ + + return success; +} + +/** + * tracker_guarantee_resource_date_from_file_mtime: + * @resource: the relevant #TrackerResource + * @key: the property URI to set + * @current_value: the current data to check before looking at @uri + * @uri: a string representing a URI to use + * + * Checks @current_value to make sure it is sane (i.e. not %NULL or an + * empty string). If it is, then @uri is parsed to guarantee a + * metadata value for @key. + * + * When parsing @uri, stat() is called on the file to create a + * date based on the file's mtime. + * + * This function only operates if Tracker was compiled with + * --enable-guarantee-metadata enabled at configure-time. + * + * Returns: %TRUE on success and content was added to @metadata, otherwise %FALSE. + * + * Since: 1.10 + **/ +gboolean +tracker_guarantee_resource_date_from_file_mtime (TrackerResource *resource, + const gchar *key, + const gchar *current_value, + const gchar *uri) +{ + gboolean success = TRUE; + +#ifdef GUARANTEE_METADATA + g_return_val_if_fail (resource != NULL, FALSE); + g_return_val_if_fail (key != NULL, FALSE); + g_return_val_if_fail (uri != NULL, FALSE); + + if (current_value && *current_value != '\0') { + tracker_resource_set_string (resource, key, current_value); + } else { + gchar *value; + + value = get_date_from_file_mtime (uri); + + if (value && *value != '\0') { + tracker_resource_set_string (resource, key, value); + } else { + success = FALSE; + } + + g_free (value); + } +#else /* GUARANTEE_METADATA */ + if (current_value && *current_value != '\0') { + tracker_resource_set_string (resource, key, current_value); + } else { + success = FALSE; + } +#endif /* GUARANTEE_METADATA */ + + return success; +} |