G_MODULE_EXPORT gboolean
tracker_extract_get_metadata (TrackerExtractInfo *info)
{
TIFF *image;
TrackerXmpData *xd = NULL;
TrackerIptcData *id = NULL;
TrackerExifData *ed = NULL;
MergeData md = { 0 };
TiffData td = { 0 };
gchar *filename, *uri;
gchar *date;
glong exif_offset;
GPtrArray *keywords;
guint i;
GFile *file;
TrackerSparqlBuilder *metadata, *preupdate;
const gchar *graph, *urn;
int fd;
#ifdef HAVE_LIBIPTCDATA
gchar *iptc_offset;
guint32 iptc_size;
#endif
#ifdef HAVE_EXEMPI
gchar *xmp_offset;
guint32 size;
#endif /* HAVE_EXEMPI */
file = tracker_extract_info_get_file (info);
filename = g_file_get_path (file);
preupdate = tracker_extract_info_get_preupdate_builder (info);
metadata = tracker_extract_info_get_metadata_builder (info);
graph = tracker_extract_info_get_graph (info);
urn = tracker_extract_info_get_urn (info);
fd = tracker_file_open_fd (filename);
if (fd == -1) {
g_warning ("Could not open tiff file '%s': %s\n",
filename,
g_strerror (errno));
g_free (filename);
return FALSE;
}
if ((image = TIFFFdOpen (fd, filename, "r")) == NULL){
g_warning ("Could not open image:'%s'\n", filename);
g_free (filename);
close (fd);
return FALSE;
}
tracker_sparql_builder_predicate (metadata, "a");
tracker_sparql_builder_object (metadata, "nfo:Image");
tracker_sparql_builder_object (metadata, "nmm:Photo");
uri = g_file_get_uri (file);
#ifdef HAVE_LIBIPTCDATA
if (TIFFGetField (image,
TIFFTAG_RICHTIFFIPTC,
&iptc_size,
&iptc_offset)) {
if (TIFFIsByteSwapped(image) != 0) {
TIFFSwabArrayOfLong((uint32*) iptc_offset,
(unsigned long) iptc_size);
}
id = tracker_iptc_new (iptc_offset, 4 * iptc_size, uri);
}
#endif /* HAVE_LIBIPTCDATA */
if (!id) {
id = g_new0 (TrackerIptcData, 1);
}
/* FIXME There are problems between XMP data embedded with different tools
due to bugs in the original spec (type) */
#ifdef HAVE_EXEMPI
if (TIFFGetField (image, TIFFTAG_XMLPACKET, &size, &xmp_offset)) {
xd = tracker_xmp_new (xmp_offset, size, uri);
}
#endif /* HAVE_EXEMPI */
if (!xd) {
xd = g_new0 (TrackerXmpData, 1);
}
ed = g_new0 (TrackerExifData, 1);
/* Get Tiff specifics */
td.width = tag_to_string (image, TIFFTAG_IMAGEWIDTH, TAG_TYPE_UINT32);
td.length = tag_to_string (image, TIFFTAG_IMAGELENGTH, TAG_TYPE_UINT32);
td.artist = tag_to_string (image, TIFFTAG_ARTIST, TAG_TYPE_STRING);
td.copyright = tag_to_string (image, TIFFTAG_COPYRIGHT, TAG_TYPE_STRING);
date = tag_to_string (image, TIFFTAG_DATETIME, TAG_TYPE_STRING);
td.date = tracker_date_guess (date);
g_free (date);
td.title = tag_to_string (image, TIFFTAG_DOCUMENTNAME, TAG_TYPE_STRING);
td.description = tag_to_string (image, TIFFTAG_IMAGEDESCRIPTION, TAG_TYPE_STRING);
td.make = tag_to_string (image, TIFFTAG_MAKE, TAG_TYPE_STRING);
td.model = tag_to_string (image, TIFFTAG_MODEL, TAG_TYPE_STRING);
td.orientation = get_orientation (image);
/* Get Exif specifics */
if (TIFFGetField (image, TIFFTAG_EXIFIFD, &exif_offset)) {
if (TIFFReadEXIFDirectory (image, exif_offset)) {
ed->exposure_time = tag_to_string (image, EXIFTAG_EXPOSURETIME, TAG_TYPE_DOUBLE);
ed->fnumber = tag_to_string (image, EXIFTAG_FNUMBER, TAG_TYPE_DOUBLE);
ed->iso_speed_ratings = tag_to_string (image, EXIFTAG_ISOSPEEDRATINGS, TAG_TYPE_C16_UINT16);
date = tag_to_string (image, EXIFTAG_DATETIMEORIGINAL, TAG_TYPE_STRING);
ed->time_original = tracker_date_guess (date);
g_free (date);
ed->metering_mode = get_metering_mode (image);
ed->flash = get_flash (image);
ed->focal_length = tag_to_string (image, EXIFTAG_DATETIMEORIGINAL, TAG_TYPE_DOUBLE);
ed->white_balance = get_white_balance (image);
/* ed->software = tag_to_string (image, EXIFTAG_SOFTWARE, TAG_TYPE_STRING); */
}
}
TIFFClose (image);
g_free (filename);
md.title = tracker_coalesce_strip (5, xd->title, xd->pdf_title, td.title, ed->document_name, xd->title2);
md.orientation = tracker_coalesce_strip (4, xd->orientation, td.orientation, ed->orientation, id->image_orientation);
md.copyright = tracker_coalesce_strip (4, xd->rights, td.copyright, ed->copyright, id->copyright_notice);
md.white_balance = tracker_coalesce_strip (2, xd->white_balance, ed->white_balance);
md.fnumber = tracker_coalesce_strip (2, xd->fnumber, ed->fnumber);
md.flash = tracker_coalesce_strip (2, xd->flash, ed->flash);
md.focal_length = tracker_coalesce_strip (2, xd->focal_length, ed->focal_length);
md.artist = tracker_coalesce_strip (4, xd->artist, td.artist, ed->artist, xd->contributor);
md.exposure_time = tracker_coalesce_strip (2, xd->exposure_time, ed->exposure_time);
md.iso_speed_ratings = tracker_coalesce_strip (2, xd->iso_speed_ratings, ed->iso_speed_ratings);
md.date = tracker_coalesce_strip (6, xd->date, xd->time_original, td.date, ed->time, id->date_created, ed->time_original);
md.description = tracker_coalesce_strip (3, xd->description, td.description, ed->description);
md.metering_mode = tracker_coalesce_strip (2, xd->metering_mode, ed->metering_mode);
md.city = tracker_coalesce_strip (2, xd->city, id->city);
md.state = tracker_coalesce_strip (2, xd->state, id->state);
md.address = tracker_coalesce_strip (2, xd->address, id->sublocation);
md.country = tracker_coalesce_strip (2, xd->country, id->country_name);
/* FIXME We are not handling the altitude ref here for xmp */
md.gps_altitude = tracker_coalesce_strip (2, xd->gps_altitude, ed->gps_altitude);
md.gps_latitude = tracker_coalesce_strip (2, xd->gps_latitude, ed->gps_latitude);
md.gps_longitude = tracker_coalesce_strip (2, xd->gps_longitude, ed->gps_longitude);
md.gps_direction = tracker_coalesce_strip (2, xd->gps_direction, ed->gps_direction);
md.creator = tracker_coalesce_strip (3, xd->creator, id->byline, id->credit);
md.x_dimension = tracker_coalesce_strip (2, td.width, ed->x_dimension);
md.y_dimension = tracker_coalesce_strip (2, td.length, ed->y_dimension);
md.make = tracker_coalesce_strip (3, xd->make, td.make, ed->make);
md.model = tracker_coalesce_strip (3, xd->model, td.model, ed->model);
keywords = g_ptr_array_new_with_free_func ((GDestroyNotify) g_free);
if (ed->user_comment) {
tracker_sparql_builder_predicate (metadata, "nie:comment");
tracker_sparql_builder_object_unvalidated (metadata, ed->user_comment);
}
if (md.x_dimension) {
tracker_sparql_builder_predicate (metadata, "nfo:width");
tracker_sparql_builder_object_unvalidated (metadata, md.x_dimension);
}
if (md.y_dimension) {
tracker_sparql_builder_predicate (metadata, "nfo:height");
tracker_sparql_builder_object_unvalidated (metadata, md.y_dimension);
}
if (xd->keywords) {
tracker_keywords_parse (keywords, xd->keywords);
}
if (xd->pdf_keywords) {
tracker_keywords_parse (keywords, xd->pdf_keywords);
}
if (xd->subject) {
tracker_keywords_parse (keywords, xd->subject);
}
if (xd->publisher) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", xd->publisher);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, xd->publisher);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nco:publisher");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
if (xd->type) {
tracker_sparql_builder_predicate (metadata, "dc:type");
tracker_sparql_builder_object_unvalidated (metadata, xd->type);
}
if (xd->format) {
tracker_sparql_builder_predicate (metadata, "dc:format");
tracker_sparql_builder_object_unvalidated (metadata, xd->format);
}
if (xd->identifier) {
tracker_sparql_builder_predicate (metadata, "dc:identifier");
tracker_sparql_builder_object_unvalidated (metadata, xd->identifier);
}
if (xd->source) {
tracker_sparql_builder_predicate (metadata, "dc:source");
tracker_sparql_builder_object_unvalidated (metadata, xd->source);
}
if (xd->language) {
tracker_sparql_builder_predicate (metadata, "dc:language");
tracker_sparql_builder_object_unvalidated (metadata, xd->language);
}
if (xd->relation) {
tracker_sparql_builder_predicate (metadata, "dc:relation");
tracker_sparql_builder_object_unvalidated (metadata, xd->relation);
}
if (xd->coverage) {
tracker_sparql_builder_predicate (metadata, "dc:coverage");
tracker_sparql_builder_object_unvalidated (metadata, xd->coverage);
}
if (xd->rating) {
tracker_sparql_builder_predicate (metadata, "nao:numericRating");
tracker_sparql_builder_object_unvalidated (metadata, xd->rating);
}
if (xd->license) {
tracker_sparql_builder_predicate (metadata, "nie:license");
tracker_sparql_builder_object_unvalidated (metadata, xd->license);
}
if (xd->regions) {
tracker_xmp_apply_regions (preupdate, metadata, graph, xd);
}
if (md.address || md.state || md.country || md.city ||
md.gps_altitude || md.gps_latitude || md.gps_longitude) {
tracker_sparql_builder_predicate (metadata, "slo:location");
tracker_sparql_builder_object_blank_open (metadata); /* GeoPoint */
tracker_sparql_builder_predicate (metadata, "a");
tracker_sparql_builder_object (metadata, "slo:GeoLocation");
if (md.address || md.state || md.country || md.city) {
gchar *addruri;
addruri = tracker_sparql_get_uuid_urn ();
tracker_sparql_builder_predicate (metadata, "slo:postalAddress");
tracker_sparql_builder_object_iri (metadata, addruri);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, addruri);
g_free (addruri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:PostalAddress");
if (md.address) {
tracker_sparql_builder_predicate (preupdate, "nco:streetAddress");
tracker_sparql_builder_object_unvalidated (preupdate, md.address);
}
if (md.state) {
tracker_sparql_builder_predicate (preupdate, "nco:region");
tracker_sparql_builder_object_unvalidated (preupdate, md.state);
}
if (md.city) {
tracker_sparql_builder_predicate (preupdate, "nco:locality");
tracker_sparql_builder_object_unvalidated (preupdate, md.city);
}
if (md.country) {
tracker_sparql_builder_predicate (preupdate, "nco:country");
tracker_sparql_builder_object_unvalidated (preupdate, md.country);
}
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
}
if (md.gps_altitude) {
tracker_sparql_builder_predicate (metadata, "slo:altitude");
tracker_sparql_builder_object_unvalidated (metadata, md.gps_altitude);
}
if (md.gps_latitude) {
tracker_sparql_builder_predicate (metadata, "slo:latitude");
tracker_sparql_builder_object_unvalidated (metadata, md.gps_latitude);
}
if (md.gps_longitude) {
tracker_sparql_builder_predicate (metadata, "slo:longitude");
tracker_sparql_builder_object_unvalidated (metadata, md.gps_longitude);
}
tracker_sparql_builder_object_blank_close (metadata); /* GeoLocation */
}
if (md.gps_direction) {
tracker_sparql_builder_predicate (metadata, "nfo:heading");
tracker_sparql_builder_object_unvalidated (metadata, md.gps_direction);
}
if (id->contact) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", id->contact);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, id->contact);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nco:representative");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
if (id->keywords) {
tracker_keywords_parse (keywords, id->keywords);
}
for (i = 0; i < keywords->len; i++) {
gchar *escaped, *subject;
const gchar *p;
p = g_ptr_array_index (keywords, i);
escaped = tracker_sparql_escape_string (p);
subject = g_strdup_printf ("_:tag%d", i + 1);
/* ensure tag with specified label exists */
tracker_sparql_builder_insert_open (preupdate, graph);
tracker_sparql_builder_subject (preupdate, subject);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nao:Tag");
tracker_sparql_builder_predicate (preupdate, "nao:prefLabel");
tracker_sparql_builder_object_unvalidated (preupdate, escaped);
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_append (preupdate,
"WHERE { FILTER (NOT EXISTS { "
"?tag a nao:Tag ; nao:prefLabel \"");
tracker_sparql_builder_append (preupdate, escaped);
tracker_sparql_builder_append (preupdate,
"\" }) }\n");
/* associate file with tag */
tracker_sparql_builder_insert_open (preupdate, graph);
tracker_sparql_builder_subject_iri (preupdate, urn);
tracker_sparql_builder_predicate (preupdate, "nao:hasTag");
tracker_sparql_builder_object (preupdate, "?tag");
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_where_open (preupdate);
tracker_sparql_builder_subject (preupdate, "?tag");
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nao:Tag");
tracker_sparql_builder_predicate (preupdate, "nao:prefLabel");
tracker_sparql_builder_object_unvalidated (preupdate, escaped);
tracker_sparql_builder_where_close (preupdate);
g_free (subject);
g_free (escaped);
}
g_ptr_array_free (keywords, TRUE);
if (md.make || md.model) {
gchar *equip_uri;
equip_uri = tracker_sparql_escape_uri_printf ("urn:equipment:%s:%s:",
md.make ? md.make : "",
md.model ? md.model : "");
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, equip_uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nfo:Equipment");
if (md.make) {
tracker_sparql_builder_predicate (preupdate, "nfo:manufacturer");
tracker_sparql_builder_object_unvalidated (preupdate, md.make);
}
if (md.model) {
tracker_sparql_builder_predicate (preupdate, "nfo:model");
tracker_sparql_builder_object_unvalidated (preupdate, md.model);
}
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nfo:equipment");
tracker_sparql_builder_object_iri (metadata, equip_uri);
g_free (equip_uri);
}
tracker_guarantee_title_from_file (metadata,
"nie:title",
md.title,
uri,
NULL);
if (md.orientation) {
tracker_sparql_builder_predicate (metadata, "nfo:orientation");
tracker_sparql_builder_object_unvalidated (metadata, md.orientation);
}
if (md.copyright) {
tracker_sparql_builder_predicate (metadata, "nie:copyright");
tracker_sparql_builder_object_unvalidated (metadata, md.copyright);
}
if (md.white_balance) {
tracker_sparql_builder_predicate (metadata, "nmm:whiteBalance");
tracker_sparql_builder_object_unvalidated (metadata, md.white_balance);
}
if (md.fnumber) {
tracker_sparql_builder_predicate (metadata, "nmm:fnumber");
tracker_sparql_builder_object_unvalidated (metadata, md.fnumber);
}
if (md.flash) {
tracker_sparql_builder_predicate (metadata, "nmm:flash");
tracker_sparql_builder_object_unvalidated (metadata, md.flash);
}
if (md.focal_length) {
tracker_sparql_builder_predicate (metadata, "nmm:focalLength");
tracker_sparql_builder_object_unvalidated (metadata, md.focal_length);
}
if (md.artist) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", md.artist);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, md.artist);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nco:contributor");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
if (md.exposure_time) {
tracker_sparql_builder_predicate (metadata, "nmm:exposureTime");
tracker_sparql_builder_object_unvalidated (metadata, md.exposure_time);
}
if (md.iso_speed_ratings) {
tracker_sparql_builder_predicate (metadata, "nmm:isoSpeed");
tracker_sparql_builder_object_unvalidated (metadata, md.iso_speed_ratings);
}
tracker_guarantee_date_from_file_mtime (metadata,
"nie:contentCreated",
md.date,
uri);
if (md.description) {
tracker_sparql_builder_predicate (metadata, "nie:description");
tracker_sparql_builder_object_unvalidated (metadata, md.description);
}
if (md.metering_mode) {
tracker_sparql_builder_predicate (metadata, "nmm:meteringMode");
tracker_sparql_builder_object_unvalidated (metadata, md.metering_mode);
}
if (md.creator) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", md.creator);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, md.creator);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
/* NOTE: We only have affiliation with
* nco:PersonContact and we are using
* nco:Contact here.
*/
/* if (id->byline_title) { */
/* tracker_sparql_builder_insert_open (preupdate, NULL); */
/* tracker_sparql_builder_subject (preupdate, "_:affiliation_by_line"); */
/* tracker_sparql_builder_predicate (preupdate, "a"); */
/* tracker_sparql_builder_object (preupdate, "nco:Affiliation"); */
/* tracker_sparql_builder_predicate (preupdate, "nco:title"); */
/* tracker_sparql_builder_object_unvalidated (preupdate, id->byline_title); */
/* tracker_sparql_builder_insert_close (preupdate); */
/* tracker_sparql_builder_predicate (metadata, "a"); */
/* tracker_sparql_builder_object (metadata, "nco:PersonContact"); */
/* tracker_sparql_builder_predicate (metadata, "nco:hasAffiliation"); */
/* tracker_sparql_builder_object (metadata, "_:affiliation_by_line"); */
/* } */
tracker_sparql_builder_predicate (metadata, "nco:creator");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
if (ed->x_resolution) {
gdouble value;
value = ed->resolution_unit != 3 ? g_strtod (ed->x_resolution, NULL) : g_strtod (ed->x_resolution, NULL) * CM_TO_INCH;
tracker_sparql_builder_predicate (metadata, "nfo:horizontalResolution");
tracker_sparql_builder_object_double (metadata, value);
}
if (ed->y_resolution) {
gdouble value;
value = ed->resolution_unit != 3 ? g_strtod (ed->y_resolution, NULL) : g_strtod (ed->y_resolution, NULL) * CM_TO_INCH;
tracker_sparql_builder_predicate (metadata, "nfo:verticalResolution");
tracker_sparql_builder_object_double (metadata, value);
}
tiff_data_free (&td);
tracker_exif_free (ed);
tracker_xmp_free (xd);
tracker_iptc_free (id);
g_free (uri);
close (fd);
return TRUE;
}
G_MODULE_EXPORT gboolean
tracker_extract_get_metadata (TrackerExtractInfo *info)
{
struct jpeg_decompress_struct cinfo;
struct tej_error_mgr tejerr;
struct jpeg_marker_struct *marker;
TrackerSparqlBuilder *preupdate, *metadata;
TrackerXmpData *xd = NULL;
TrackerExifData *ed = NULL;
TrackerIptcData *id = NULL;
MergeData md = { 0 };
GFile *file;
FILE *f;
goffset size;
gchar *filename, *uri;
gchar *comment = NULL;
const gchar *dlna_profile, *dlna_mimetype, *graph;
GPtrArray *keywords;
gboolean success = TRUE;
GString *where;
guint i;
metadata = tracker_extract_info_get_metadata_builder (info);
preupdate = tracker_extract_info_get_preupdate_builder (info);
graph = tracker_extract_info_get_graph (info);
file = tracker_extract_info_get_file (info);
filename = g_file_get_path (file);
size = tracker_file_get_size (filename);
if (size < 18) {
g_free (filename);
return FALSE;
}
f = tracker_file_open (filename);
g_free (filename);
if (!f) {
return FALSE;
}
uri = g_file_get_uri (file);
tracker_sparql_builder_predicate (metadata, "a");
tracker_sparql_builder_object (metadata, "nfo:Image");
tracker_sparql_builder_predicate (metadata, "a");
tracker_sparql_builder_object (metadata, "nmm:Photo");
cinfo.err = jpeg_std_error (&tejerr.jpeg);
tejerr.jpeg.error_exit = extract_jpeg_error_exit;
if (setjmp (tejerr.setjmp_buffer)) {
success = FALSE;
goto fail;
}
jpeg_create_decompress (&cinfo);
jpeg_save_markers (&cinfo, JPEG_COM, 0xFFFF);
jpeg_save_markers (&cinfo, JPEG_APP0 + 1, 0xFFFF);
jpeg_save_markers (&cinfo, JPEG_APP0 + 13, 0xFFFF);
jpeg_stdio_src (&cinfo, f);
jpeg_read_header (&cinfo, TRUE);
/* FIXME? It is possible that there are markers after SOS,
* but there shouldn't be. Should we decompress the whole file?
*
* jpeg_start_decompress(&cinfo);
* jpeg_finish_decompress(&cinfo);
*
* jpeg_calc_output_dimensions(&cinfo);
*/
marker = (struct jpeg_marker_struct *) &cinfo.marker_list;
while (marker) {
gchar *str;
gsize len;
#ifdef HAVE_LIBIPTCDATA
gsize offset;
guint sublen;
#endif /* HAVE_LIBIPTCDATA */
switch (marker->marker) {
case JPEG_COM:
g_free (comment);
comment = g_strndup ((gchar*) marker->data, marker->data_length);
break;
case JPEG_APP0 + 1:
str = (gchar*) marker->data;
len = marker->data_length;
#ifdef HAVE_LIBEXIF
if (strncmp (EXIF_NAMESPACE, str, EXIF_NAMESPACE_LENGTH) == 0) {
ed = tracker_exif_new ((guchar *) marker->data, len, uri);
}
#endif /* HAVE_LIBEXIF */
#ifdef HAVE_EXEMPI
if (strncmp (XMP_NAMESPACE, str, XMP_NAMESPACE_LENGTH) == 0) {
xd = tracker_xmp_new (str + XMP_NAMESPACE_LENGTH,
len - XMP_NAMESPACE_LENGTH,
uri);
}
#endif /* HAVE_EXEMPI */
break;
case JPEG_APP0 + 13:
str = (gchar*) marker->data;
len = marker->data_length;
#ifdef HAVE_LIBIPTCDATA
if (len > 0 && strncmp (PS3_NAMESPACE, str, PS3_NAMESPACE_LENGTH) == 0) {
offset = iptc_jpeg_ps3_find_iptc (str, len, &sublen);
if (offset > 0 && sublen > 0) {
id = tracker_iptc_new (str + offset, sublen, uri);
}
}
#endif /* HAVE_LIBIPTCDATA */
break;
default:
marker = marker->next;
continue;
}
marker = marker->next;
}
if (!ed) {
ed = g_new0 (TrackerExifData, 1);
}
if (!xd) {
xd = g_new0 (TrackerXmpData, 1);
}
if (!id) {
id = g_new0 (TrackerIptcData, 1);
}
md.title = tracker_coalesce_strip (4, xd->title, ed->document_name, xd->title2, xd->pdf_title);
md.orientation = tracker_coalesce_strip (3, xd->orientation, ed->orientation, id->image_orientation);
md.copyright = tracker_coalesce_strip (4, xd->copyright, xd->rights, ed->copyright, id->copyright_notice);
md.white_balance = tracker_coalesce_strip (2, xd->white_balance, ed->white_balance);
md.fnumber = tracker_coalesce_strip (2, xd->fnumber, ed->fnumber);
md.flash = tracker_coalesce_strip (2, xd->flash, ed->flash);
md.focal_length = tracker_coalesce_strip (2, xd->focal_length, ed->focal_length);
md.artist = tracker_coalesce_strip (3, xd->artist, ed->artist, xd->contributor);
md.exposure_time = tracker_coalesce_strip (2, xd->exposure_time, ed->exposure_time);
md.iso_speed_ratings = tracker_coalesce_strip (2, xd->iso_speed_ratings, ed->iso_speed_ratings);
md.date = tracker_coalesce_strip (5, xd->date, xd->time_original, ed->time, id->date_created, ed->time_original);
md.description = tracker_coalesce_strip (2, xd->description, ed->description);
md.metering_mode = tracker_coalesce_strip (2, xd->metering_mode, ed->metering_mode);
md.city = tracker_coalesce_strip (2, xd->city, id->city);
md.state = tracker_coalesce_strip (2, xd->state, id->state);
md.address = tracker_coalesce_strip (2, xd->address, id->sublocation);
md.country = tracker_coalesce_strip (2, xd->country, id->country_name);
/* FIXME We are not handling the altitude ref here for xmp */
md.gps_altitude = tracker_coalesce_strip (2, xd->gps_altitude, ed->gps_altitude);
md.gps_latitude = tracker_coalesce_strip (2, xd->gps_latitude, ed->gps_latitude);
md.gps_longitude = tracker_coalesce_strip (2, xd->gps_longitude, ed->gps_longitude);
md.gps_direction = tracker_coalesce_strip (2, xd->gps_direction, ed->gps_direction);
md.creator = tracker_coalesce_strip (3, xd->creator, id->byline, id->credit);
md.comment = tracker_coalesce_strip (2, comment, ed->user_comment);
md.make = tracker_coalesce_strip (2, xd->make, ed->make);
md.model = tracker_coalesce_strip (2, xd->model, ed->model);
/* Prioritize on native dimention in all cases */
tracker_sparql_builder_predicate (metadata, "nfo:width");
tracker_sparql_builder_object_int64 (metadata, cinfo.image_width);
/* TODO: add ontology and store ed->software */
tracker_sparql_builder_predicate (metadata, "nfo:height");
tracker_sparql_builder_object_int64 (metadata, cinfo.image_height);
if (guess_dlna_profile (cinfo.image_width, cinfo.image_height, &dlna_profile, &dlna_mimetype)) {
tracker_sparql_builder_predicate (metadata, "nmm:dlnaProfile");
tracker_sparql_builder_object_string (metadata, dlna_profile);
tracker_sparql_builder_predicate (metadata, "nmm:dlnaMime");
tracker_sparql_builder_object_string (metadata, dlna_mimetype);
}
if (id->contact) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", id->contact);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, id->contact);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nco:representative");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
keywords = g_ptr_array_new ();
if (xd->keywords) {
tracker_keywords_parse (keywords, xd->keywords);
}
if (xd->pdf_keywords) {
tracker_keywords_parse (keywords, xd->pdf_keywords);
}
if (xd->subject) {
tracker_keywords_parse (keywords, xd->subject);
}
if (xd->publisher) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", xd->publisher);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, xd->publisher);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nco:publisher");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
if (xd->type) {
tracker_sparql_builder_predicate (metadata, "dc:type");
tracker_sparql_builder_object_unvalidated (metadata, xd->type);
}
if (xd->rating) {
tracker_sparql_builder_predicate (metadata, "nao:numericRating");
tracker_sparql_builder_object_unvalidated (metadata, xd->rating);
}
if (xd->format) {
tracker_sparql_builder_predicate (metadata, "dc:format");
tracker_sparql_builder_object_unvalidated (metadata, xd->format);
}
if (xd->identifier) {
tracker_sparql_builder_predicate (metadata, "dc:identifier");
tracker_sparql_builder_object_unvalidated (metadata, xd->identifier);
}
if (xd->source) {
tracker_sparql_builder_predicate (metadata, "dc:source");
tracker_sparql_builder_object_unvalidated (metadata, xd->source);
}
if (xd->language) {
tracker_sparql_builder_predicate (metadata, "dc:language");
tracker_sparql_builder_object_unvalidated (metadata, xd->language);
}
if (xd->relation) {
tracker_sparql_builder_predicate (metadata, "dc:relation");
tracker_sparql_builder_object_unvalidated (metadata, xd->relation);
}
if (xd->coverage) {
tracker_sparql_builder_predicate (metadata, "dc:coverage");
tracker_sparql_builder_object_unvalidated (metadata, xd->coverage);
}
if (xd->license) {
tracker_sparql_builder_predicate (metadata, "nie:license");
tracker_sparql_builder_object_unvalidated (metadata, xd->license);
}
if (xd->regions) {
tracker_xmp_apply_regions (preupdate, metadata, graph, xd);
}
if (id->keywords) {
tracker_keywords_parse (keywords, id->keywords);
}
where = g_string_new ("");
for (i = 0; i < keywords->len; i++) {
gchar *p, *escaped, *var;
p = g_ptr_array_index (keywords, i);
escaped = tracker_sparql_escape_string (p);
var = g_strdup_printf ("tag%d", i + 1);
/* ensure tag with specified label exists */
tracker_sparql_builder_append (preupdate, "INSERT { ");
if (graph) {
tracker_sparql_builder_append (preupdate, "GRAPH <");
tracker_sparql_builder_append (preupdate, graph);
tracker_sparql_builder_append (preupdate, "> { ");
}
tracker_sparql_builder_append (preupdate,
"_:tag a nao:Tag ; nao:prefLabel \"");
tracker_sparql_builder_append (preupdate, escaped);
tracker_sparql_builder_append (preupdate, "\"");
if (graph) {
tracker_sparql_builder_append (preupdate, " } ");
}
tracker_sparql_builder_append (preupdate, " }\n");
tracker_sparql_builder_append (preupdate,
"WHERE { FILTER (NOT EXISTS { "
"?tag a nao:Tag ; nao:prefLabel \"");
tracker_sparql_builder_append (preupdate, escaped);
tracker_sparql_builder_append (preupdate,
"\" }) }\n");
/* associate file with tag */
tracker_sparql_builder_predicate (metadata, "nao:hasTag");
tracker_sparql_builder_object_variable (metadata, var);
g_string_append_printf (where, "?%s a nao:Tag ; nao:prefLabel \"%s\" .\n", var, escaped);
g_free (var);
g_free (escaped);
g_free (p);
}
g_ptr_array_free (keywords, TRUE);
tracker_extract_info_set_where_clause (info, where->str);
g_string_free (where, TRUE);
if (md.make || md.model) {
gchar *equip_uri;
equip_uri = tracker_sparql_escape_uri_printf ("urn:equipment:%s:%s:",
md.make ? md.make : "",
md.model ? md.model : "");
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, equip_uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nfo:Equipment");
if (md.make) {
tracker_sparql_builder_predicate (preupdate, "nfo:manufacturer");
tracker_sparql_builder_object_unvalidated (preupdate, md.make);
}
if (md.model) {
tracker_sparql_builder_predicate (preupdate, "nfo:model");
tracker_sparql_builder_object_unvalidated (preupdate, md.model);
}
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nfo:equipment");
tracker_sparql_builder_object_iri (metadata, equip_uri);
g_free (equip_uri);
}
tracker_guarantee_title_from_file (metadata,
"nie:title",
md.title,
uri,
NULL);
if (md.orientation) {
tracker_sparql_builder_predicate (metadata, "nfo:orientation");
tracker_sparql_builder_object (metadata, md.orientation);
}
if (md.copyright) {
tracker_sparql_builder_predicate (metadata, "nie:copyright");
tracker_sparql_builder_object_unvalidated (metadata, md.copyright);
}
if (md.white_balance) {
tracker_sparql_builder_predicate (metadata, "nmm:whiteBalance");
tracker_sparql_builder_object (metadata, md.white_balance);
}
if (md.fnumber) {
gdouble value;
value = g_strtod (md.fnumber, NULL);
tracker_sparql_builder_predicate (metadata, "nmm:fnumber");
tracker_sparql_builder_object_double (metadata, value);
}
if (md.flash) {
tracker_sparql_builder_predicate (metadata, "nmm:flash");
tracker_sparql_builder_object (metadata, md.flash);
}
if (md.focal_length) {
gdouble value;
value = g_strtod (md.focal_length, NULL);
tracker_sparql_builder_predicate (metadata, "nmm:focalLength");
tracker_sparql_builder_object_double (metadata, value);
}
if (md.artist) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", md.artist);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, md.artist);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nco:contributor");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
if (md.exposure_time) {
gdouble value;
value = g_strtod (md.exposure_time, NULL);
tracker_sparql_builder_predicate (metadata, "nmm:exposureTime");
tracker_sparql_builder_object_double (metadata, value);
}
if (md.iso_speed_ratings) {
gdouble value;
value = g_strtod (md.iso_speed_ratings, NULL);
tracker_sparql_builder_predicate (metadata, "nmm:isoSpeed");
tracker_sparql_builder_object_double (metadata, value);
}
tracker_guarantee_date_from_file_mtime (metadata,
"nie:contentCreated",
md.date,
uri);
if (md.description) {
tracker_sparql_builder_predicate (metadata, "nie:description");
tracker_sparql_builder_object_unvalidated (metadata, md.description);
}
if (md.metering_mode) {
tracker_sparql_builder_predicate (metadata, "nmm:meteringMode");
tracker_sparql_builder_object (metadata, md.metering_mode);
}
if (md.creator) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", md.creator);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, md.creator);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
/* NOTE: We only have affiliation with
* nco:PersonContact and we are using
* nco:Contact here.
*/
/* if (id->byline_title) { */
/* tracker_sparql_builder_insert_open (preupdate, NULL); */
/* tracker_sparql_builder_subject (preupdate, "_:affiliation_by_line"); */
/* tracker_sparql_builder_predicate (preupdate, "a"); */
/* tracker_sparql_builder_object (preupdate, "nco:Affiliation"); */
/* tracker_sparql_builder_predicate (preupdate, "nco:title"); */
/* tracker_sparql_builder_object_unvalidated (preupdate, id->byline_title); */
/* tracker_sparql_builder_insert_close (preupdate); */
/* tracker_sparql_builder_predicate (preupdate, "a"); */
/* tracker_sparql_builder_object (preupdate, "nco:Contact"); */
/* tracker_sparql_builder_predicate (preupdate, "nco:hasAffiliation"); */
/* tracker_sparql_builder_object (preupdate, "_:affiliation_by_line"); */
/* } */
tracker_sparql_builder_predicate (metadata, "nco:creator");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
if (md.comment) {
tracker_sparql_builder_predicate (metadata, "nie:comment");
tracker_sparql_builder_object_unvalidated (metadata, md.comment);
}
if (md.address || md.state || md.country || md.city ||
md.gps_altitude || md.gps_latitude || md.gps_longitude) {
tracker_sparql_builder_predicate (metadata, "slo:location");
tracker_sparql_builder_object_blank_open (metadata); /* GeoPoint */
tracker_sparql_builder_predicate (metadata, "a");
tracker_sparql_builder_object (metadata, "slo:GeoLocation");
if (md.address || md.state || md.country || md.city) {
gchar *addruri;
addruri = tracker_sparql_get_uuid_urn ();
tracker_sparql_builder_predicate (metadata, "slo:postalAddress");
tracker_sparql_builder_object_iri (metadata, addruri);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, addruri);
g_free (addruri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:PostalAddress");
if (md.address) {
tracker_sparql_builder_predicate (preupdate, "nco:streetAddress");
tracker_sparql_builder_object_unvalidated (preupdate, md.address);
}
if (md.state) {
tracker_sparql_builder_predicate (preupdate, "nco:region");
tracker_sparql_builder_object_unvalidated (preupdate, md.state);
}
if (md.city) {
tracker_sparql_builder_predicate (preupdate, "nco:locality");
tracker_sparql_builder_object_unvalidated (preupdate, md.city);
}
if (md.country) {
tracker_sparql_builder_predicate (preupdate, "nco:country");
tracker_sparql_builder_object_unvalidated (preupdate, md.country);
}
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
}
if (md.gps_altitude) {
tracker_sparql_builder_predicate (metadata, "slo:altitude");
tracker_sparql_builder_object_unvalidated (metadata, md.gps_altitude);
}
if (md.gps_latitude) {
tracker_sparql_builder_predicate (metadata, "slo:latitude");
tracker_sparql_builder_object_unvalidated (metadata, md.gps_latitude);
}
if (md.gps_longitude) {
tracker_sparql_builder_predicate (metadata, "slo:longitude");
tracker_sparql_builder_object_unvalidated (metadata, md.gps_longitude);
}
tracker_sparql_builder_object_blank_close (metadata); /* GeoLocation */
}
if (md.gps_direction) {
tracker_sparql_builder_predicate (metadata, "nfo:heading");
tracker_sparql_builder_object_unvalidated (metadata, md.gps_direction);
}
if (cinfo.density_unit != 0 || ed->x_resolution) {
gdouble value;
if (cinfo.density_unit == 0) {
if (ed->resolution_unit != 3)
value = g_strtod (ed->x_resolution, NULL);
else
value = g_strtod (ed->x_resolution, NULL) * CM_TO_INCH;
} else {
if (cinfo.density_unit == 1)
value = cinfo.X_density;
else
value = cinfo.X_density * CM_TO_INCH;
}
tracker_sparql_builder_predicate (metadata, "nfo:horizontalResolution");
tracker_sparql_builder_object_double (metadata, value);
}
if (cinfo.density_unit != 0 || ed->y_resolution) {
gdouble value;
if (cinfo.density_unit == 0) {
if (ed->resolution_unit != 3)
value = g_strtod (ed->y_resolution, NULL);
else
value = g_strtod (ed->y_resolution, NULL) * CM_TO_INCH;
} else {
if (cinfo.density_unit == 1)
value = cinfo.Y_density;
else
value = cinfo.Y_density * CM_TO_INCH;
}
tracker_sparql_builder_predicate (metadata, "nfo:verticalResolution");
tracker_sparql_builder_object_double (metadata, value);
}
jpeg_destroy_decompress (&cinfo);
tracker_exif_free (ed);
tracker_xmp_free (xd);
tracker_iptc_free (id);
g_free (comment);
fail:
tracker_file_close (f, FALSE);
g_free (uri);
return success;
}
G_MODULE_EXPORT gboolean
tracker_extract_get_metadata (TrackerExtractInfo *info)
{
TrackerConfig *config;
GTime creation_date;
GError *error = NULL;
TrackerSparqlBuilder *metadata, *preupdate;
const gchar *graph;
const gchar *urn;
TrackerXmpData *xd = NULL;
PDFData pd = { 0 }; /* actual data */
PDFData md = { 0 }; /* for merging */
PopplerDocument *document;
gchar *xml = NULL;
gchar *content, *uri;
guint n_bytes;
GPtrArray *keywords;
guint i;
GFile *file;
gchar *filename;
int fd;
gchar *contents = NULL;
gsize len;
struct stat st;
metadata = tracker_extract_info_get_metadata_builder (info);
preupdate = tracker_extract_info_get_preupdate_builder (info);
graph = tracker_extract_info_get_graph (info);
urn = tracker_extract_info_get_urn (info);
file = tracker_extract_info_get_file (info);
filename = g_file_get_path (file);
fd = tracker_file_open_fd (filename);
if (fd == -1) {
g_warning ("Could not open pdf file '%s': %s\n",
filename,
g_strerror (errno));
g_free (filename);
return FALSE;
}
if (fstat (fd, &st) == -1) {
g_warning ("Could not fstat pdf file '%s': %s\n",
filename,
g_strerror (errno));
close (fd);
g_free (filename);
return FALSE;
}
if (st.st_size == 0) {
contents = NULL;
len = 0;
} else {
contents = (gchar *) mmap (NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
if (contents == NULL || contents == MAP_FAILED) {
g_warning ("Could not mmap pdf file '%s': %s\n",
filename,
g_strerror (errno));
close (fd);
g_free (filename);
return FALSE;
}
len = st.st_size;
}
g_free (filename);
uri = g_file_get_uri (file);
document = poppler_document_new_from_data (contents, len, NULL, &error);
if (error) {
if (error->code == POPPLER_ERROR_ENCRYPTED) {
tracker_sparql_builder_predicate (metadata, "a");
tracker_sparql_builder_object (metadata, "nfo:PaginatedTextDocument");
tracker_sparql_builder_predicate (metadata, "nfo:isContentEncrypted");
tracker_sparql_builder_object_boolean (metadata, TRUE);
g_error_free (error);
g_free (uri);
close (fd);
return TRUE;
} else {
g_warning ("Couldn't create PopplerDocument from uri:'%s', %s",
uri,
error->message ? error->message : "no error given");
g_error_free (error);
g_free (uri);
close (fd);
return FALSE;
}
}
if (!document) {
g_warning ("Could not create PopplerDocument from uri:'%s', "
"NULL returned without an error",
uri);
g_free (uri);
close (fd);
return FALSE;
}
tracker_sparql_builder_predicate (metadata, "a");
tracker_sparql_builder_object (metadata, "nfo:PaginatedTextDocument");
g_object_get (document,
"title", &pd.title,
"author", &pd.author,
"subject", &pd.subject,
"keywords", &pd.keywords,
"creation-date", &creation_date,
"metadata", &xml,
NULL);
if (creation_date > 0) {
pd.creation_date = tracker_date_to_string ((time_t) creation_date);
}
keywords = g_ptr_array_new_with_free_func ((GDestroyNotify) g_free);
if (xml && *xml &&
(xd = tracker_xmp_new (xml, strlen (xml), uri)) != NULL) {
/* The casts here are well understood and known */
md.title = (gchar *) tracker_coalesce_strip (4, pd.title, xd->title, xd->title2, xd->pdf_title);
md.subject = (gchar *) tracker_coalesce_strip (2, pd.subject, xd->subject);
md.date = (gchar *) tracker_coalesce_strip (3, pd.creation_date, xd->date, xd->time_original);
md.author = (gchar *) tracker_coalesce_strip (2, pd.author, xd->creator);
write_pdf_data (md, metadata, keywords);
if (xd->keywords) {
tracker_keywords_parse (keywords, xd->keywords);
}
if (xd->pdf_keywords) {
tracker_keywords_parse (keywords, xd->pdf_keywords);
}
if (xd->publisher) {
tracker_sparql_builder_predicate (metadata, "nco:publisher");
tracker_sparql_builder_object_blank_open (metadata);
tracker_sparql_builder_predicate (metadata, "a");
tracker_sparql_builder_object (metadata, "nco:Contact");
tracker_sparql_builder_predicate (metadata, "nco:fullname");
tracker_sparql_builder_object_unvalidated (metadata, xd->publisher);
tracker_sparql_builder_object_blank_close (metadata);
}
if (xd->type) {
tracker_sparql_builder_predicate (metadata, "dc:type");
tracker_sparql_builder_object_unvalidated (metadata, xd->type);
}
if (xd->format) {
tracker_sparql_builder_predicate (metadata, "dc:format");
tracker_sparql_builder_object_unvalidated (metadata, xd->format);
}
if (xd->identifier) {
tracker_sparql_builder_predicate (metadata, "dc:identifier");
tracker_sparql_builder_object_unvalidated (metadata, xd->identifier);
}
if (xd->source) {
tracker_sparql_builder_predicate (metadata, "dc:source");
tracker_sparql_builder_object_unvalidated (metadata, xd->source);
}
if (xd->language) {
tracker_sparql_builder_predicate (metadata, "dc:language");
tracker_sparql_builder_object_unvalidated (metadata, xd->language);
}
if (xd->relation) {
tracker_sparql_builder_predicate (metadata, "dc:relation");
tracker_sparql_builder_object_unvalidated (metadata, xd->relation);
}
if (xd->coverage) {
tracker_sparql_builder_predicate (metadata, "dc:coverage");
tracker_sparql_builder_object_unvalidated (metadata, xd->coverage);
}
if (xd->license) {
tracker_sparql_builder_predicate (metadata, "nie:license");
tracker_sparql_builder_object_unvalidated (metadata, xd->license);
}
if (xd->make || xd->model) {
gchar *equip_uri;
equip_uri = tracker_sparql_escape_uri_printf ("urn:equipment:%s:%s:",
xd->make ? xd->make : "",
xd->model ? xd->model : "");
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, equip_uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nfo:Equipment");
if (xd->make) {
tracker_sparql_builder_predicate (preupdate, "nfo:manufacturer");
tracker_sparql_builder_object_unvalidated (preupdate, xd->make);
}
if (xd->model) {
tracker_sparql_builder_predicate (preupdate, "nfo:model");
tracker_sparql_builder_object_unvalidated (preupdate, xd->model);
}
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nfo:equipment");
tracker_sparql_builder_object_iri (metadata, equip_uri);
g_free (equip_uri);
}
if (xd->orientation) {
tracker_sparql_builder_predicate (metadata, "nfo:orientation");
tracker_sparql_builder_object (metadata, xd->orientation);
}
if (xd->rights) {
tracker_sparql_builder_predicate (metadata, "nie:copyright");
tracker_sparql_builder_object_unvalidated (metadata, xd->rights);
}
if (xd->white_balance) {
tracker_sparql_builder_predicate (metadata, "nmm:whiteBalance");
tracker_sparql_builder_object (metadata, xd->white_balance);
}
if (xd->fnumber) {
gdouble value;
value = g_strtod (xd->fnumber, NULL);
tracker_sparql_builder_predicate (metadata, "nmm:fnumber");
tracker_sparql_builder_object_double (metadata, value);
}
if (xd->flash) {
tracker_sparql_builder_predicate (metadata, "nmm:flash");
tracker_sparql_builder_object (metadata, xd->flash);
}
if (xd->focal_length) {
gdouble value;
value = g_strtod (xd->focal_length, NULL);
tracker_sparql_builder_predicate (metadata, "nmm:focalLength");
tracker_sparql_builder_object_double (metadata, value);
}
/* Question: Shouldn't xd->Artist be merged with md.author instead? */
if (xd->artist || xd->contributor) {
const gchar *artist;
artist = tracker_coalesce_strip (2, xd->artist, xd->contributor);
tracker_sparql_builder_predicate (metadata, "nco:contributor");
tracker_sparql_builder_object_blank_open (metadata);
tracker_sparql_builder_predicate (metadata, "a");
tracker_sparql_builder_object (metadata, "nco:Contact");
tracker_sparql_builder_predicate (metadata, "nco:fullname");
tracker_sparql_builder_object_unvalidated (metadata, artist);
tracker_sparql_builder_object_blank_close (metadata);
}
if (xd->exposure_time) {
gdouble value;
value = g_strtod (xd->exposure_time, NULL);
tracker_sparql_builder_predicate (metadata, "nmm:exposureTime");
tracker_sparql_builder_object_double (metadata, value);
}
if (xd->iso_speed_ratings) {
gdouble value;
value = g_strtod (xd->iso_speed_ratings, NULL);
tracker_sparql_builder_predicate (metadata, "nmm:isoSpeed");
tracker_sparql_builder_object_double (metadata, value);
}
if (xd->description) {
tracker_sparql_builder_predicate (metadata, "nie:description");
tracker_sparql_builder_object_unvalidated (metadata, xd->description);
}
if (xd->metering_mode) {
tracker_sparql_builder_predicate (metadata, "nmm:meteringMode");
tracker_sparql_builder_object (metadata, xd->metering_mode);
}
if (xd->address || xd->state || xd->country || xd->city ||
xd->gps_altitude || xd->gps_latitude || xd-> gps_longitude) {
tracker_sparql_builder_predicate (metadata, "slo:location");
tracker_sparql_builder_object_blank_open (metadata); /* GeoLocation */
tracker_sparql_builder_predicate (metadata, "a");
tracker_sparql_builder_object (metadata, "slo:GeoLocation");
if (xd->address || xd->state || xd->country || xd->city) {
gchar *addruri;
addruri = tracker_sparql_get_uuid_urn ();
tracker_sparql_builder_predicate (metadata, "slo:postalAddress");
tracker_sparql_builder_object_iri (metadata, addruri);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, addruri);
g_free (addruri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:PostalAddress");
if (xd->address) {
tracker_sparql_builder_predicate (preupdate, "nco:streetAddress");
tracker_sparql_builder_object_unvalidated (preupdate, xd->address);
}
if (xd->state) {
tracker_sparql_builder_predicate (preupdate, "nco:region");
tracker_sparql_builder_object_unvalidated (preupdate, xd->state);
}
if (xd->city) {
tracker_sparql_builder_predicate (preupdate, "nco:locality");
tracker_sparql_builder_object_unvalidated (preupdate, xd->city);
}
if (xd->country) {
tracker_sparql_builder_predicate (preupdate, "nco:country");
tracker_sparql_builder_object_unvalidated (preupdate, xd->country);
}
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
}
if (xd->gps_altitude) {
tracker_sparql_builder_predicate (metadata, "slo:altitude");
tracker_sparql_builder_object_unvalidated (metadata, xd->gps_altitude);
}
if (xd->gps_latitude) {
tracker_sparql_builder_predicate (metadata, "slo:latitude");
tracker_sparql_builder_object_unvalidated (metadata, xd->gps_latitude);
}
if (xd->gps_longitude) {
tracker_sparql_builder_predicate (metadata, "slo:longitude");
tracker_sparql_builder_object_unvalidated (metadata, xd->gps_longitude);
}
tracker_sparql_builder_object_blank_close (metadata); /* GeoLocation */
}
if (xd->regions) {
tracker_xmp_apply_regions (preupdate, metadata, graph, xd);
}
tracker_xmp_free (xd);
} else {
/* So if we are here we have NO XMP data and we just
* write what we know from Poppler.
*/
write_pdf_data (pd, metadata, keywords);
}
for (i = 0; i < keywords->len; i++) {
gchar *escaped, *subject;
const gchar *p;
p = g_ptr_array_index (keywords, i);
escaped = tracker_sparql_escape_string (p);
subject = g_strdup_printf ("_:tag%d", i + 1);
/* ensure tag with specified label exists */
tracker_sparql_builder_insert_open (preupdate, graph);
tracker_sparql_builder_subject (preupdate, subject);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nao:Tag");
tracker_sparql_builder_predicate (preupdate, "nao:prefLabel");
tracker_sparql_builder_object_unvalidated (preupdate, escaped);
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_append (preupdate,
"WHERE { FILTER (NOT EXISTS { "
"?tag a nao:Tag ; nao:prefLabel \"");
tracker_sparql_builder_append (preupdate, escaped);
tracker_sparql_builder_append (preupdate,
"\" }) }\n");
/* associate file with tag */
tracker_sparql_builder_insert_open (preupdate, graph);
tracker_sparql_builder_subject_iri (preupdate, urn);
tracker_sparql_builder_predicate (preupdate, "nao:hasTag");
tracker_sparql_builder_object (preupdate, "?tag");
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_where_open (preupdate);
tracker_sparql_builder_subject (preupdate, "?tag");
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nao:Tag");
tracker_sparql_builder_predicate (preupdate, "nao:prefLabel");
tracker_sparql_builder_object_unvalidated (preupdate, escaped);
tracker_sparql_builder_where_close (preupdate);
g_free (subject);
g_free (escaped);
}
g_ptr_array_free (keywords, TRUE);
tracker_sparql_builder_predicate (metadata, "nfo:pageCount");
tracker_sparql_builder_object_int64 (metadata, poppler_document_get_n_pages (document));
config = tracker_main_get_config ();
n_bytes = tracker_config_get_max_bytes (config);
content = extract_content_text (document, n_bytes);
if (content) {
tracker_sparql_builder_predicate (metadata, "nie:plainTextContent");
tracker_sparql_builder_object_unvalidated (metadata, content);
g_free (content);
}
read_outline (document, metadata);
g_free (xml);
g_free (pd.keywords);
g_free (pd.title);
g_free (pd.subject);
g_free (pd.creation_date);
g_free (pd.author);
g_free (pd.date);
g_free (uri);
g_object_unref (document);
if (contents) {
munmap (contents, len);
}
close (fd);
return TRUE;
}
static void
read_metadata (TrackerSparqlBuilder *preupdate,
TrackerSparqlBuilder *metadata,
GString *where,
GifFileType *gifFile,
const gchar *uri,
const gchar *graph)
{
GifRecordType RecordType;
int frameheight;
int framewidth;
unsigned char *framedata = NULL;
GPtrArray *keywords;
guint i;
int status;
MergeData md = { 0 };
GifData gd = { 0 };
TrackerXmpData *xd = NULL;
do {
GifByteType *ExtData;
int ExtCode;
ExtBlock extBlock;
if (DGifGetRecordType(gifFile, &RecordType) == GIF_ERROR) {
#if GIFLIB_MAJOR < 5
PrintGifError ();
#else /* GIFLIB_MAJOR < 5 */
gif_error ("Could not read next GIF record type", gifFile->Error);
#endif /* GIFLIB_MAJOR < 5 */
return;
}
switch (RecordType) {
case IMAGE_DESC_RECORD_TYPE:
if (DGifGetImageDesc(gifFile) == GIF_ERROR) {
#if GIFLIB_MAJOR < 5
PrintGifError();
#else /* GIFLIB_MAJOR < 5 */
gif_error ("Could not get GIF record information", gifFile->Error);
#endif /* GIFLIB_MAJOR < 5 */
return;
}
framewidth = gifFile->Image.Width;
frameheight = gifFile->Image.Height;
framedata = g_malloc (framewidth*frameheight);
if (DGifGetLine(gifFile, framedata, framewidth*frameheight)==GIF_ERROR) {
#if GIFLIB_MAJOR < 5
PrintGifError();
#else /* GIFLIB_MAJOR < 5 */
gif_error ("Could not load a block of GIF pixes", gifFile->Error);
#endif /* GIFLIB_MAJOR < 5 */
return;
}
gd.width = g_strdup_printf ("%d", framewidth);
gd.height = g_strdup_printf ("%d", frameheight);
g_free (framedata);
break;
case EXTENSION_RECORD_TYPE:
extBlock.bytes = NULL;
extBlock.byteCount = 0;
if ((status = DGifGetExtension (gifFile, &ExtCode, &ExtData)) != GIF_OK) {
g_warning ("Problem getting the extension");
return;
}
#if defined(HAVE_EXEMPI)
if (ExtData && *ExtData &&
strncmp (&ExtData[1],"XMP Data",8) == 0) {
while (ExtData != NULL && status == GIF_OK ) {
if ((status = DGifGetExtensionNext (gifFile, &ExtData)) == GIF_OK) {
if (ExtData != NULL) {
if (ext_block_append (&extBlock, ExtData[0]+1, (char *) &(ExtData[0])) != GIF_OK) {
g_warning ("Problem with extension data");
return;
}
}
}
}
xd = tracker_xmp_new (extBlock.bytes,
extBlock.byteCount-XMP_MAGIC_TRAILER_LENGTH,
uri);
g_free (extBlock.bytes);
} else
#endif
/* See Section 24. Comment Extension. in the GIF format definition */
if (ExtCode == EXTENSION_RECORD_COMMENT_BLOCK_CODE &&
ExtData && *ExtData) {
guint block_count = 0;
/* Merge all blocks */
do {
block_count++;
g_debug ("Comment Extension block found (#%u, %u bytes)",
block_count,
ExtData[0]);
if (ext_block_append (&extBlock, ExtData[0], (char *) &(ExtData[1])) != GIF_OK) {
g_warning ("Problem with Comment extension data");
return;
}
} while (((status = DGifGetExtensionNext(gifFile, &ExtData)) == GIF_OK) &&
ExtData != NULL);
/* Add last NUL byte */
g_debug ("Comment Extension blocks found (%u) with %u bytes",
block_count,
extBlock.byteCount);
extBlock.bytes = g_realloc (extBlock.bytes, extBlock.byteCount + 1);
extBlock.bytes[extBlock.byteCount] = '\0';
/* Set commentt */
gd.comment = extBlock.bytes;
} else {
do {
status = DGifGetExtensionNext(gifFile, &ExtData);
} while ( status == GIF_OK && ExtData != NULL);
}
break;
case TERMINATE_RECORD_TYPE:
break;
default:
break;
}
} while (RecordType != TERMINATE_RECORD_TYPE);
if (!xd) {
xd = g_new0 (TrackerXmpData, 1);
}
md.title = tracker_coalesce_strip (3, xd->title, xd->title2, xd->pdf_title);
md.date = tracker_coalesce_strip (2, xd->date, xd->time_original);
md.artist = tracker_coalesce_strip (2, xd->artist, xd->contributor);
if (xd->license) {
tracker_sparql_builder_predicate (metadata, "nie:license");
tracker_sparql_builder_object_unvalidated (metadata, xd->license);
}
if (xd->creator) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", xd->creator);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, xd->creator);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nco:creator");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
tracker_guarantee_date_from_file_mtime (metadata,
"nie:contentCreated",
md.date,
uri);
if (xd->description) {
tracker_sparql_builder_predicate (metadata, "nie:description");
tracker_sparql_builder_object_unvalidated (metadata, xd->description);
}
if (xd->copyright) {
tracker_sparql_builder_predicate (metadata, "nie:copyright");
tracker_sparql_builder_object_unvalidated (metadata, xd->copyright);
}
if (xd->make || xd->model) {
gchar *equip_uri;
equip_uri = tracker_sparql_escape_uri_printf ("urn:equipment:%s:%s:",
xd->make ? xd->make : "",
xd->model ? xd->model : "");
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, equip_uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nfo:Equipment");
if (xd->make) {
tracker_sparql_builder_predicate (preupdate, "nfo:manufacturer");
tracker_sparql_builder_object_unvalidated (preupdate, xd->make);
}
if (xd->model) {
tracker_sparql_builder_predicate (preupdate, "nfo:model");
tracker_sparql_builder_object_unvalidated (preupdate, xd->model);
}
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nfo:equipment");
tracker_sparql_builder_object_iri (metadata, equip_uri);
g_free (equip_uri);
}
tracker_guarantee_title_from_file (metadata,
"nie:title",
md.title,
uri,
NULL);
if (md.artist) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", md.artist);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, md.artist);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nco:contributor");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
if (xd->orientation) {
tracker_sparql_builder_predicate (metadata, "nfo:orientation");
tracker_sparql_builder_object_unvalidated (metadata, xd->orientation);
}
if (xd->exposure_time) {
tracker_sparql_builder_predicate (metadata, "nmm:exposureTime");
tracker_sparql_builder_object_unvalidated (metadata, xd->exposure_time);
}
if (xd->iso_speed_ratings) {
tracker_sparql_builder_predicate (metadata, "nmm:isoSpeed");
tracker_sparql_builder_object_unvalidated (metadata, xd->iso_speed_ratings);
}
if (xd->white_balance) {
tracker_sparql_builder_predicate (metadata, "nmm:whiteBalance");
tracker_sparql_builder_object_unvalidated (metadata, xd->white_balance);
}
if (xd->fnumber) {
tracker_sparql_builder_predicate (metadata, "nmm:fnumber");
tracker_sparql_builder_object_unvalidated (metadata, xd->fnumber);
}
if (xd->flash) {
tracker_sparql_builder_predicate (metadata, "nmm:flash");
tracker_sparql_builder_object_unvalidated (metadata, xd->flash);
}
if (xd->focal_length) {
tracker_sparql_builder_predicate (metadata, "nmm:focalLength");
tracker_sparql_builder_object_unvalidated (metadata, xd->focal_length);
}
if (xd->metering_mode) {
tracker_sparql_builder_predicate (metadata, "nmm:meteringMode");
tracker_sparql_builder_object_unvalidated (metadata, xd->metering_mode);
}
keywords = g_ptr_array_new ();
if (xd->keywords) {
tracker_keywords_parse (keywords, xd->keywords);
}
if (xd->pdf_keywords) {
tracker_keywords_parse (keywords, xd->pdf_keywords);
}
if (xd->rating) {
tracker_sparql_builder_predicate (metadata, "nao:numericRating");
tracker_sparql_builder_object_unvalidated (metadata, xd->rating);
}
if (xd->subject) {
tracker_keywords_parse (keywords, xd->subject);
}
if (xd->regions) {
tracker_xmp_apply_regions (preupdate, metadata, graph, xd);
}
for (i = 0; i < keywords->len; i++) {
gchar *p, *escaped, *var;
p = g_ptr_array_index (keywords, i);
escaped = tracker_sparql_escape_string (p);
var = g_strdup_printf ("tag%d", i + 1);
/* ensure tag with specified label exists */
tracker_sparql_builder_append (preupdate, "INSERT { ");
if (graph) {
tracker_sparql_builder_append (preupdate, "GRAPH <");
tracker_sparql_builder_append (preupdate, graph);
tracker_sparql_builder_append (preupdate, "> { ");
}
tracker_sparql_builder_append (preupdate,
"_:tag a nao:Tag ; nao:prefLabel \"");
tracker_sparql_builder_append (preupdate, escaped);
tracker_sparql_builder_append (preupdate, "\"");
if (graph) {
tracker_sparql_builder_append (preupdate, " } ");
}
tracker_sparql_builder_append (preupdate, " }\n");
tracker_sparql_builder_append (preupdate,
"WHERE { FILTER (NOT EXISTS { "
"?tag a nao:Tag ; nao:prefLabel \"");
tracker_sparql_builder_append (preupdate, escaped);
tracker_sparql_builder_append (preupdate,
"\" }) }\n");
/* associate file with tag */
tracker_sparql_builder_predicate (metadata, "nao:hasTag");
tracker_sparql_builder_object_variable (metadata, var);
g_string_append_printf (where, "?%s a nao:Tag ; nao:prefLabel \"%s\" .\n", var, escaped);
g_free (var);
g_free (escaped);
g_free (p);
}
g_ptr_array_free (keywords, TRUE);
if (xd->publisher) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", xd->publisher);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, xd->publisher);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nco:creator");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
if (xd->type) {
tracker_sparql_builder_predicate (metadata, "dc:type");
tracker_sparql_builder_object_unvalidated (metadata, xd->type);
}
if (xd->format) {
tracker_sparql_builder_predicate (metadata, "dc:format");
tracker_sparql_builder_object_unvalidated (metadata, xd->format);
}
if (xd->identifier) {
tracker_sparql_builder_predicate (metadata, "dc:identifier");
tracker_sparql_builder_object_unvalidated (metadata, xd->identifier);
}
if (xd->source) {
tracker_sparql_builder_predicate (metadata, "dc:source");
tracker_sparql_builder_object_unvalidated (metadata, xd->source);
}
if (xd->language) {
tracker_sparql_builder_predicate (metadata, "dc:language");
tracker_sparql_builder_object_unvalidated (metadata, xd->language);
}
if (xd->relation) {
tracker_sparql_builder_predicate (metadata, "dc:relation");
tracker_sparql_builder_object_unvalidated (metadata, xd->relation);
}
if (xd->coverage) {
tracker_sparql_builder_predicate (metadata, "dc:coverage");
tracker_sparql_builder_object_unvalidated (metadata, xd->coverage);
}
if (xd->address || xd->state || xd->country || xd->city ||
xd->gps_altitude || xd->gps_latitude || xd-> gps_longitude) {
tracker_sparql_builder_predicate (metadata, "slo:location");
tracker_sparql_builder_object_blank_open (metadata); /* GeoLocation */
tracker_sparql_builder_predicate (metadata, "a");
tracker_sparql_builder_object (metadata, "slo:GeoLocation");
if (xd->address || xd->state || xd->country || xd->city) {
gchar *addruri;
addruri = tracker_sparql_get_uuid_urn ();
tracker_sparql_builder_predicate (metadata, "slo:postalAddress");
tracker_sparql_builder_object_iri (metadata, addruri);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, addruri);
g_free (addruri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:PostalAddress");
if (xd->address) {
tracker_sparql_builder_predicate (preupdate, "nco:streetAddress");
tracker_sparql_builder_object_unvalidated (preupdate, xd->address);
}
if (xd->state) {
tracker_sparql_builder_predicate (preupdate, "nco:region");
tracker_sparql_builder_object_unvalidated (preupdate, xd->state);
}
if (xd->city) {
tracker_sparql_builder_predicate (preupdate, "nco:locality");
tracker_sparql_builder_object_unvalidated (preupdate, xd->city);
}
if (xd->country) {
tracker_sparql_builder_predicate (preupdate, "nco:country");
tracker_sparql_builder_object_unvalidated (preupdate, xd->country);
}
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
}
if (xd->gps_altitude) {
tracker_sparql_builder_predicate (metadata, "slo:altitude");
tracker_sparql_builder_object_unvalidated (metadata, xd->gps_altitude);
}
if (xd->gps_latitude) {
tracker_sparql_builder_predicate (metadata, "slo:latitude");
tracker_sparql_builder_object_unvalidated (metadata, xd->gps_latitude);
}
if (xd->gps_longitude) {
tracker_sparql_builder_predicate (metadata, "slo:longitude");
tracker_sparql_builder_object_unvalidated (metadata, xd->gps_longitude);
}
tracker_sparql_builder_object_blank_close (metadata); /* GeoLocation */
}
if (xd->gps_direction) {
tracker_sparql_builder_predicate (metadata, "nfo:heading");
tracker_sparql_builder_object_unvalidated (metadata, xd->gps_direction);
}
if (gd.width) {
tracker_sparql_builder_predicate (metadata, "nfo:width");
tracker_sparql_builder_object_unvalidated (metadata, gd.width);
g_free (gd.width);
}
if (gd.height) {
tracker_sparql_builder_predicate (metadata, "nfo:height");
tracker_sparql_builder_object_unvalidated (metadata, gd.height);
g_free (gd.height);
}
if (gd.comment) {
tracker_sparql_builder_predicate (metadata, "nie:comment");
tracker_sparql_builder_object_unvalidated (metadata, gd.comment);
g_free (gd.comment);
}
tracker_xmp_free (xd);
}
G_MODULE_EXPORT gboolean
tracker_extract_get_metadata (TrackerExtractInfo *info)
{
TrackerConfig *config;
GTime creation_date;
GError *error = NULL;
TrackerResource *metadata;
TrackerXmpData *xd = NULL;
PDFData pd = { 0 }; /* actual data */
PDFData md = { 0 }; /* for merging */
PopplerDocument *document;
gchar *xml = NULL;
gchar *content, *uri;
guint n_bytes;
GPtrArray *keywords;
guint i;
GFile *file;
gchar *filename;
int fd;
gchar *contents = NULL;
gsize len;
struct stat st;
file = tracker_extract_info_get_file (info);
filename = g_file_get_path (file);
fd = tracker_file_open_fd (filename);
if (fd == -1) {
g_warning ("Could not open pdf file '%s': %s\n",
filename,
g_strerror (errno));
g_free (filename);
return FALSE;
}
if (fstat (fd, &st) == -1) {
g_warning ("Could not fstat pdf file '%s': %s\n",
filename,
g_strerror (errno));
close (fd);
g_free (filename);
return FALSE;
}
if (st.st_size == 0) {
contents = NULL;
len = 0;
} else {
contents = (gchar *) mmap (NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
if (contents == NULL || contents == MAP_FAILED) {
g_warning ("Could not mmap pdf file '%s': %s\n",
filename,
g_strerror (errno));
close (fd);
g_free (filename);
return FALSE;
}
len = st.st_size;
}
g_free (filename);
uri = g_file_get_uri (file);
document = poppler_document_new_from_data (contents, len, NULL, &error);
if (error) {
if (error->code == POPPLER_ERROR_ENCRYPTED) {
metadata = tracker_resource_new (NULL);
tracker_resource_add_uri (metadata, "rdf:type", "nfo:PaginatedTextDocument");
tracker_resource_set_boolean (metadata, "nfo:isContentEncrypted", TRUE);
tracker_extract_info_set_resource (info, metadata);
g_object_unref (metadata);
g_error_free (error);
g_free (uri);
close (fd);
return TRUE;
} else {
g_warning ("Couldn't create PopplerDocument from uri:'%s', %s",
uri,
error->message ? error->message : "no error given");
g_error_free (error);
g_free (uri);
close (fd);
return FALSE;
}
}
if (!document) {
g_warning ("Could not create PopplerDocument from uri:'%s', "
"NULL returned without an error",
uri);
g_free (uri);
close (fd);
return FALSE;
}
metadata = tracker_resource_new (NULL);
tracker_resource_add_uri (metadata, "rdf:type", "nfo:PaginatedTextDocument");
g_object_get (document,
"title", &pd.title,
"author", &pd.author,
"subject", &pd.subject,
"keywords", &pd.keywords,
"creation-date", &creation_date,
"metadata", &xml,
NULL);
if (creation_date > 0) {
pd.creation_date = tracker_date_to_string ((time_t) creation_date);
}
keywords = g_ptr_array_new_with_free_func ((GDestroyNotify) g_free);
if (xml && *xml &&
(xd = tracker_xmp_new (xml, strlen (xml), uri)) != NULL) {
/* The casts here are well understood and known */
md.title = (gchar *) tracker_coalesce_strip (4, pd.title, xd->title, xd->title2, xd->pdf_title);
md.subject = (gchar *) tracker_coalesce_strip (2, pd.subject, xd->subject);
md.date = (gchar *) tracker_coalesce_strip (3, pd.creation_date, xd->date, xd->time_original);
md.author = (gchar *) tracker_coalesce_strip (2, pd.author, xd->creator);
write_pdf_data (md, metadata, keywords);
if (xd->keywords) {
tracker_keywords_parse (keywords, xd->keywords);
}
if (xd->pdf_keywords) {
tracker_keywords_parse (keywords, xd->pdf_keywords);
}
if (xd->publisher) {
TrackerResource *publisher = tracker_extract_new_contact (xd->publisher);
tracker_resource_set_relation (metadata, "nco:publisher", publisher);
g_object_unref (publisher);
}
if (xd->type) {
tracker_resource_set_string (metadata, "dc:type", xd->type);
}
if (xd->format) {
tracker_resource_set_string (metadata, "dc:format", xd->format);
}
if (xd->identifier) {
tracker_resource_set_string (metadata, "dc:identifier", xd->identifier);
}
if (xd->source) {
tracker_resource_set_string (metadata, "dc:source", xd->source);
}
if (xd->language) {
tracker_resource_set_string (metadata, "dc:language", xd->language);
}
if (xd->relation) {
tracker_resource_set_string (metadata, "dc:relation", xd->relation);
}
if (xd->coverage) {
tracker_resource_set_string (metadata, "dc:coverage", xd->coverage);
}
if (xd->license) {
tracker_resource_set_string (metadata, "nie:license", xd->license);
}
if (xd->make || xd->model) {
TrackerResource *equipment = tracker_extract_new_equipment (xd->make, xd->model);
tracker_resource_set_relation (metadata, "nfo:equipment", equipment);
g_object_unref (equipment);
}
if (xd->orientation) {
tracker_resource_set_string (metadata, "nfo:orientation", xd->orientation);
}
if (xd->rights) {
tracker_resource_set_string (metadata, "nie:copyright", xd->rights);
}
if (xd->white_balance) {
tracker_resource_set_string (metadata, "nmm:whiteBalance", xd->white_balance);
}
if (xd->fnumber) {
gdouble value;
value = g_strtod (xd->fnumber, NULL);
tracker_resource_set_double (metadata, "nmm:fnumber", value);
}
if (xd->flash) {
tracker_resource_set_string (metadata, "nmm:flash", xd->flash);
}
if (xd->focal_length) {
gdouble value;
value = g_strtod (xd->focal_length, NULL);
tracker_resource_set_double (metadata, "nmm:focalLength", value);
}
/* Question: Shouldn't xd->Artist be merged with md.author instead? */
if (xd->artist || xd->contributor) {
TrackerResource *artist;
const gchar *artist_name;
artist_name = tracker_coalesce_strip (2, xd->artist, xd->contributor);
artist = tracker_extract_new_contact (artist_name);
tracker_resource_set_relation (metadata, "nco:contributor", artist);
g_object_unref (artist);
}
if (xd->exposure_time) {
gdouble value;
value = g_strtod (xd->exposure_time, NULL);
tracker_resource_set_double (metadata, "nmm:exposureTime", value);
}
if (xd->iso_speed_ratings) {
gdouble value;
value = g_strtod (xd->iso_speed_ratings, NULL);
tracker_resource_set_double (metadata, "nmm:isoSpeed", value);
}
if (xd->description) {
tracker_resource_set_string (metadata, "nie:description", xd->description);
}
if (xd->metering_mode) {
tracker_resource_set_string (metadata, "nmm:meteringMode", xd->metering_mode);
}
if (xd->address || xd->state || xd->country || xd->city ||
xd->gps_altitude || xd->gps_latitude || xd-> gps_longitude) {
TrackerResource *location = tracker_extract_new_location (xd->address,
xd->state, xd->city, xd->country, xd->gps_altitude,
xd->gps_latitude, xd->gps_longitude);
tracker_resource_set_relation (metadata, "slo:location", location);
g_object_unref (location);
}
if (xd->regions) {
tracker_xmp_apply_regions_to_resource (metadata, xd);
}
tracker_xmp_free (xd);
} else {
/* So if we are here we have NO XMP data and we just
* write what we know from Poppler.
*/
write_pdf_data (pd, metadata, keywords);
}
for (i = 0; i < keywords->len; i++) {
TrackerResource *tag;
const gchar *p;
p = g_ptr_array_index (keywords, i);
tag = tracker_extract_new_tag (p);
tracker_resource_add_relation (metadata, "nao:hasTag", tag);
g_object_unref (tag);
}
g_ptr_array_free (keywords, TRUE);
tracker_resource_set_int64 (metadata, "nfo:pageCount", poppler_document_get_n_pages(document));
config = tracker_main_get_config ();
n_bytes = tracker_config_get_max_bytes (config);
content = extract_content_text (document, n_bytes);
if (content) {
tracker_resource_set_string (metadata, "nie:plainTextContent", content);
g_free (content);
}
read_outline (document, metadata);
g_free (xml);
g_free (pd.keywords);
g_free (pd.title);
g_free (pd.subject);
g_free (pd.creation_date);
g_free (pd.author);
g_free (pd.date);
g_free (uri);
g_object_unref (document);
if (contents) {
munmap (contents, len);
}
close (fd);
tracker_extract_info_set_resource (info, metadata);
g_object_unref (metadata);
return TRUE;
}
static void
read_metadata (TrackerSparqlBuilder *preupdate,
TrackerSparqlBuilder *metadata,
GString *where,
png_structp png_ptr,
png_infop info_ptr,
png_infop end_ptr,
const gchar *uri,
const gchar *graph)
{
MergeData md = { 0 };
PngData pd = { 0 };
TrackerExifData *ed = NULL;
TrackerXmpData *xd = NULL;
png_infop info_ptrs[2];
png_textp text_ptr;
gint info_index;
gint num_text;
gint i;
gint found;
GPtrArray *keywords;
info_ptrs[0] = info_ptr;
info_ptrs[1] = end_ptr;
for (info_index = 0; info_index < 2; info_index++) {
if ((found = png_get_text (png_ptr, info_ptrs[info_index], &text_ptr, &num_text)) < 1) {
g_debug ("Calling png_get_text() returned %d (< 1)", found);
continue;
}
for (i = 0; i < num_text; i++) {
if (!text_ptr[i].key || !text_ptr[i].text || text_ptr[i].text[0] == '\0') {
continue;
}
#if defined(HAVE_EXEMPI) && defined(PNG_iTXt_SUPPORTED)
if (g_strcmp0 ("XML:com.adobe.xmp", text_ptr[i].key) == 0) {
/* ATM tracker_extract_xmp_read supports setting xd
* multiple times, keep it that way as here it's
* theoretically possible that the function gets
* called multiple times
*/
xd = tracker_xmp_new (text_ptr[i].text,
text_ptr[i].itxt_length,
uri);
continue;
}
if (g_strcmp0 ("Raw profile type xmp", text_ptr[i].key) == 0) {
gchar *xmp_buffer;
guint xmp_buffer_length = 0;
guint input_len;
if (text_ptr[i].text_length) {
input_len = text_ptr[i].text_length;
} else {
input_len = text_ptr[i].itxt_length;
}
xmp_buffer = raw_profile_new (text_ptr[i].text,
input_len,
&xmp_buffer_length);
if (xmp_buffer) {
xd = tracker_xmp_new (xmp_buffer,
xmp_buffer_length,
uri);
}
g_free (xmp_buffer);
continue;
}
#endif /*HAVE_EXEMPI && PNG_iTXt_SUPPORTED */
#if defined(HAVE_LIBEXIF) && defined(PNG_iTXt_SUPPORTED)
if (g_strcmp0 ("Raw profile type exif", text_ptr[i].key) == 0) {
gchar *exif_buffer;
guint exif_buffer_length = 0;
guint input_len;
if (text_ptr[i].text_length) {
input_len = text_ptr[i].text_length;
} else {
input_len = text_ptr[i].itxt_length;
}
exif_buffer = raw_profile_new (text_ptr[i].text,
input_len,
&exif_buffer_length);
if (exif_buffer) {
ed = tracker_exif_new (exif_buffer,
exif_buffer_length,
uri);
}
g_free (exif_buffer);
continue;
}
#endif /* HAVE_LIBEXIF && PNG_iTXt_SUPPORTED */
if (g_strcmp0 (text_ptr[i].key, "Author") == 0) {
pd.author = text_ptr[i].text;
continue;
}
if (g_strcmp0 (text_ptr[i].key, "Creator") == 0) {
pd.creator = text_ptr[i].text;
continue;
}
if (g_strcmp0 (text_ptr[i].key, "Description") == 0) {
pd.description = text_ptr[i].text;
continue;
}
if (g_strcmp0 (text_ptr[i].key, "Comment") == 0) {
pd.comment = text_ptr[i].text;
continue;
}
if (g_strcmp0 (text_ptr[i].key, "Copyright") == 0) {
pd.copyright = text_ptr[i].text;
continue;
}
if (g_strcmp0 (text_ptr[i].key, "Creation Time") == 0) {
pd.creation_time = rfc1123_to_iso8601_date (text_ptr[i].text);
continue;
}
if (g_strcmp0 (text_ptr[i].key, "Title") == 0) {
pd.title = text_ptr[i].text;
continue;
}
if (g_strcmp0 (text_ptr[i].key, "Disclaimer") == 0) {
pd.disclaimer = text_ptr[i].text;
continue;
}
if (g_strcmp0(text_ptr[i].key, "Software") == 0) {
pd.software = text_ptr[i].text;
continue;
}
}
}
if (!ed) {
ed = g_new0 (TrackerExifData, 1);
}
if (!xd) {
xd = g_new0 (TrackerXmpData, 1);
}
md.creator = tracker_coalesce_strip (3, xd->creator, pd.creator, pd.author);
md.title = tracker_coalesce_strip (5, xd->title, pd.title, ed->document_name, xd->title2, xd->pdf_title);
md.copyright = tracker_coalesce_strip (3, xd->rights, pd.copyright, ed->copyright);
md.license = tracker_coalesce_strip (2, xd->license, pd.disclaimer);
md.description = tracker_coalesce_strip (3, xd->description, pd.description, ed->description);
md.date = tracker_coalesce_strip (5, xd->date, xd->time_original, pd.creation_time, ed->time, ed->time_original);
md.comment = tracker_coalesce_strip (2, pd.comment, ed->user_comment);
md.artist = tracker_coalesce_strip (3, xd->artist, ed->artist, xd->contributor);
md.orientation = tracker_coalesce_strip (2, xd->orientation, ed->orientation);
md.exposure_time = tracker_coalesce_strip (2, xd->exposure_time, ed->exposure_time);
md.iso_speed_ratings = tracker_coalesce_strip (2, xd->iso_speed_ratings, ed->iso_speed_ratings);
md.fnumber = tracker_coalesce_strip (2, xd->fnumber, ed->fnumber);
md.flash = tracker_coalesce_strip (2, xd->flash, ed->flash);
md.focal_length = tracker_coalesce_strip (2, xd->focal_length, ed->focal_length);
md.metering_mode = tracker_coalesce_strip (2, xd->metering_mode, ed->metering_mode);
md.white_balance = tracker_coalesce_strip (2, xd->white_balance, ed->white_balance);
md.make = tracker_coalesce_strip (2, xd->make, ed->make);
md.model = tracker_coalesce_strip (2, xd->model, ed->model);
keywords = g_ptr_array_new ();
if (md.comment) {
tracker_sparql_builder_predicate (metadata, "nie:comment");
tracker_sparql_builder_object_unvalidated (metadata, md.comment);
}
if (md.license) {
tracker_sparql_builder_predicate (metadata, "nie:license");
tracker_sparql_builder_object_unvalidated (metadata, md.license);
}
/* TODO: add ontology and store this ed->software */
if (md.creator) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", md.creator);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, md.creator);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nco:creator");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
tracker_guarantee_date_from_file_mtime (metadata,
"nie:contentCreated",
md.date,
uri);
if (md.description) {
tracker_sparql_builder_predicate (metadata, "nie:description");
tracker_sparql_builder_object_unvalidated (metadata, md.description);
}
if (md.copyright) {
tracker_sparql_builder_predicate (metadata, "nie:copyright");
tracker_sparql_builder_object_unvalidated (metadata, md.copyright);
}
tracker_guarantee_title_from_file (metadata,
"nie:title",
md.title,
uri,
NULL);
if (md.make || md.model) {
gchar *equip_uri;
equip_uri = tracker_sparql_escape_uri_printf ("urn:equipment:%s:%s:",
md.make ? md.make : "",
md.model ? md.model : "");
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, equip_uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nfo:Equipment");
if (md.make) {
tracker_sparql_builder_predicate (preupdate, "nfo:manufacturer");
tracker_sparql_builder_object_unvalidated (preupdate, md.make);
}
if (md.model) {
tracker_sparql_builder_predicate (preupdate, "nfo:model");
tracker_sparql_builder_object_unvalidated (preupdate, md.model);
}
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nfo:equipment");
tracker_sparql_builder_object_iri (metadata, equip_uri);
g_free (equip_uri);
}
if (md.artist) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", md.artist);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, md.artist);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nco:contributor");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
if (md.orientation) {
tracker_sparql_builder_predicate (metadata, "nfo:orientation");
tracker_sparql_builder_object_unvalidated (metadata, md.orientation);
}
if (md.exposure_time) {
tracker_sparql_builder_predicate (metadata, "nmm:exposureTime");
tracker_sparql_builder_object_unvalidated (metadata, md.exposure_time);
}
if (md.iso_speed_ratings) {
tracker_sparql_builder_predicate (metadata, "nmm:isoSpeed");
tracker_sparql_builder_object_unvalidated (metadata, md.iso_speed_ratings);
}
if (md.white_balance) {
tracker_sparql_builder_predicate (metadata, "nmm:whiteBalance");
tracker_sparql_builder_object_unvalidated (metadata, md.white_balance);
}
if (md.fnumber) {
tracker_sparql_builder_predicate (metadata, "nmm:fnumber");
tracker_sparql_builder_object_unvalidated (metadata, md.fnumber);
}
if (md.flash) {
tracker_sparql_builder_predicate (metadata, "nmm:flash");
tracker_sparql_builder_object_unvalidated (metadata, md.flash);
}
if (md.focal_length) {
tracker_sparql_builder_predicate (metadata, "nmm:focalLength");
tracker_sparql_builder_object_unvalidated (metadata, md.focal_length);
}
if (md.metering_mode) {
tracker_sparql_builder_predicate (metadata, "nmm:meteringMode");
tracker_sparql_builder_object_unvalidated (metadata, md.metering_mode);
}
if (xd->keywords) {
tracker_keywords_parse (keywords, xd->keywords);
}
if (xd->pdf_keywords) {
tracker_keywords_parse (keywords, xd->pdf_keywords);
}
if (xd->rating) {
tracker_sparql_builder_predicate (metadata, "nao:numericRating");
tracker_sparql_builder_object_unvalidated (metadata, xd->rating);
}
if (xd->subject) {
tracker_keywords_parse (keywords, xd->subject);
}
if (xd->publisher) {
gchar *uri = tracker_sparql_escape_uri_printf ("urn:contact:%s", xd->publisher);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, uri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:Contact");
tracker_sparql_builder_predicate (preupdate, "nco:fullname");
tracker_sparql_builder_object_unvalidated (preupdate, xd->publisher);
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
tracker_sparql_builder_predicate (metadata, "nco:creator");
tracker_sparql_builder_object_iri (metadata, uri);
g_free (uri);
}
if (xd->type) {
tracker_sparql_builder_predicate (metadata, "dc:type");
tracker_sparql_builder_object_unvalidated (metadata, xd->type);
}
if (xd->format) {
tracker_sparql_builder_predicate (metadata, "dc:format");
tracker_sparql_builder_object_unvalidated (metadata, xd->format);
}
if (xd->identifier) {
tracker_sparql_builder_predicate (metadata, "dc:identifier");
tracker_sparql_builder_object_unvalidated (metadata, xd->identifier);
}
if (xd->source) {
tracker_sparql_builder_predicate (metadata, "dc:source");
tracker_sparql_builder_object_unvalidated (metadata, xd->source);
}
if (xd->language) {
tracker_sparql_builder_predicate (metadata, "dc:language");
tracker_sparql_builder_object_unvalidated (metadata, xd->language);
}
if (xd->relation) {
tracker_sparql_builder_predicate (metadata, "dc:relation");
tracker_sparql_builder_object_unvalidated (metadata, xd->relation);
}
if (xd->coverage) {
tracker_sparql_builder_predicate (metadata, "dc:coverage");
tracker_sparql_builder_object_unvalidated (metadata, xd->coverage);
}
if (xd->address || xd->state || xd->country || xd->city ||
xd->gps_altitude || xd->gps_latitude || xd-> gps_longitude) {
tracker_sparql_builder_predicate (metadata, "slo:location");
tracker_sparql_builder_object_blank_open (metadata); /* GeoLocation */
tracker_sparql_builder_predicate (metadata, "a");
tracker_sparql_builder_object (metadata, "slo:GeoLocation");
if (xd->address || xd->state || xd->country || xd->city) {
gchar *addruri;
addruri = tracker_sparql_get_uuid_urn ();
tracker_sparql_builder_predicate (metadata, "slo:postalAddress");
tracker_sparql_builder_object_iri (metadata, addruri);
tracker_sparql_builder_insert_open (preupdate, NULL);
if (graph) {
tracker_sparql_builder_graph_open (preupdate, graph);
}
tracker_sparql_builder_subject_iri (preupdate, addruri);
g_free (addruri);
tracker_sparql_builder_predicate (preupdate, "a");
tracker_sparql_builder_object (preupdate, "nco:PostalAddress");
if (xd->address) {
tracker_sparql_builder_predicate (preupdate, "nco:streetAddress");
tracker_sparql_builder_object_unvalidated (preupdate, xd->address);
}
if (xd->state) {
tracker_sparql_builder_predicate (preupdate, "nco:region");
tracker_sparql_builder_object_unvalidated (preupdate, xd->state);
}
if (xd->city) {
tracker_sparql_builder_predicate (preupdate, "nco:locality");
tracker_sparql_builder_object_unvalidated (preupdate, xd->city);
}
if (xd->country) {
tracker_sparql_builder_predicate (preupdate, "nco:country");
tracker_sparql_builder_object_unvalidated (preupdate, xd->country);
}
if (graph) {
tracker_sparql_builder_graph_close (preupdate);
}
tracker_sparql_builder_insert_close (preupdate);
}
if (xd->gps_altitude) {
tracker_sparql_builder_predicate (metadata, "slo:altitude");
tracker_sparql_builder_object_unvalidated (metadata, xd->gps_altitude);
}
if (xd->gps_latitude) {
tracker_sparql_builder_predicate (metadata, "slo:latitude");
tracker_sparql_builder_object_unvalidated (metadata, xd->gps_latitude);
}
if (xd->gps_longitude) {
tracker_sparql_builder_predicate (metadata, "slo:longitude");
tracker_sparql_builder_object_unvalidated (metadata, xd->gps_longitude);
}
tracker_sparql_builder_object_blank_close (metadata); /* GeoLocation */
}
if (xd->gps_direction) {
tracker_sparql_builder_predicate (metadata, "nfo:heading");
tracker_sparql_builder_object_unvalidated (metadata, xd->gps_direction);
}
if (ed->x_resolution) {
gdouble value;
value = ed->resolution_unit != 3 ? g_strtod (ed->x_resolution, NULL) : g_strtod (ed->x_resolution, NULL) * CM_TO_INCH;
tracker_sparql_builder_predicate (metadata, "nfo:horizontalResolution");
tracker_sparql_builder_object_double (metadata, value);
}
if (ed->y_resolution) {
gdouble value;
value = ed->resolution_unit != 3 ? g_strtod (ed->y_resolution, NULL) : g_strtod (ed->y_resolution, NULL) * CM_TO_INCH;
tracker_sparql_builder_predicate (metadata, "nfo:verticalResolution");
tracker_sparql_builder_object_double (metadata, value);
}
if (xd->regions) {
tracker_xmp_apply_regions (preupdate, metadata, graph, xd);
}
for (i = 0; i < keywords->len; i++) {
gchar *p, *escaped, *var;
p = g_ptr_array_index (keywords, i);
escaped = tracker_sparql_escape_string (p);
var = g_strdup_printf ("tag%d", i + 1);
/* ensure tag with specified label exists */
tracker_sparql_builder_append (preupdate, "INSERT { ");
if (graph) {
tracker_sparql_builder_append (preupdate, "GRAPH <");
tracker_sparql_builder_append (preupdate, graph);
tracker_sparql_builder_append (preupdate, "> { ");
}
tracker_sparql_builder_append (preupdate,
"_:tag a nao:Tag ; nao:prefLabel \"");
tracker_sparql_builder_append (preupdate, escaped);
tracker_sparql_builder_append (preupdate, "\"");
if (graph) {
tracker_sparql_builder_append (preupdate, " } ");
}
tracker_sparql_builder_append (preupdate, " }\n");
tracker_sparql_builder_append (preupdate,
"WHERE { FILTER (NOT EXISTS { "
"?tag a nao:Tag ; nao:prefLabel \"");
tracker_sparql_builder_append (preupdate, escaped);
tracker_sparql_builder_append (preupdate,
"\" }) }\n");
/* associate file with tag */
tracker_sparql_builder_predicate (metadata, "nao:hasTag");
tracker_sparql_builder_object_variable (metadata, var);
g_string_append_printf (where, "?%s a nao:Tag ; nao:prefLabel \"%s\" .\n", var, escaped);
g_free (var);
g_free (escaped);
g_free (p);
}
g_ptr_array_free (keywords, TRUE);
if (g_strcmp0(pd.software, "gnome-screenshot") == 0) {
tracker_sparql_builder_predicate (metadata, "nie:isPartOf");
tracker_sparql_builder_object (metadata, "nfo:image-category-screenshot");
}
tracker_exif_free (ed);
tracker_xmp_free (xd);
g_free (pd.creation_time);
}