void msFreeHashTable( hashTableObj *table )
{
if( table != NULL )
{
msFreeHashItems(table);
free(table);
table = NULL;
}
}
int msFreeFontSet(fontSetObj *fontset)
{
if (fontset->filename)
free(fontset->filename);
fontset->filename = NULL;
if (&(fontset->fonts))
msFreeHashItems(&(fontset->fonts));
/* fontset->fonts = NULL; */
fontset->numfonts = 0;
return( 0 );
}
void msFreeMap(mapObj *map)
{
int i;
if(!map) return;
/* printf("msFreeMap(): maybe freeing map at %p count=%d.\n",map, map->refcount); */
if(MS_REFCNT_DECR_IS_NOT_ZERO(map)) {
return;
}
if(map->debug >= MS_DEBUGLEVEL_VV)
msDebug("msFreeMap(): freeing map at %p.\n",map);
msCloseConnections(map);
msFree(map->name);
msFree(map->shapepath);
msFree(map->mappath);
msFreeProjection(&(map->projection));
msFreeProjection(&(map->latlon));
msFreeLabelCache(&(map->labelcache));
msFree(map->imagetype);
msFreeFontSet(&(map->fontset));
msFreeSymbolSet(&map->symbolset); /* free symbols */
msFree(map->symbolset.filename);
freeWeb(&(map->web));
freeScalebar(&(map->scalebar));
freeReferenceMap(&(map->reference));
freeLegend(&(map->legend));
for(i=0; i<map->maxlayers; i++) {
if(GET_LAYER(map, i) != NULL) {
GET_LAYER(map, i)->map = NULL;
if(freeLayer((GET_LAYER(map, i))) == MS_SUCCESS)
free(GET_LAYER(map, i));
}
}
msFree(map->layers);
if(map->layerorder)
free(map->layerorder);
msFree(map->templatepattern);
msFree(map->datapattern);
msFreeHashItems(&(map->configoptions));
if(map->outputformat && map->outputformat->refcount > 0 && --map->outputformat->refcount < 1)
msFreeOutputFormat(map->outputformat);
for(i=0; i<map->numoutputformats; i++ ) {
if(map->outputformatlist[i]->refcount > 0 && --map->outputformatlist[i]->refcount < 1)
msFreeOutputFormat(map->outputformatlist[i]);
}
if(map->outputformatlist != NULL)
msFree(map->outputformatlist);
msFreeQuery(&(map->query));
#ifdef USE_V8_MAPSCRIPT
if (map->v8context)
msV8FreeContext(map);
#endif
msFree(map);
}
/**
* Is there any XMP metadata in the map file for us to worry about?
*/
int
msXmpWrite( mapObj *map, const char *filename )
{
#ifdef USE_EXEMPI
/* Should hold our keys */
hashTableObj hash_metadata = map->web.metadata;
/* Temporary place for custom name spaces */
hashTableObj hash_ns;
/* We use regex to strip out the namespace and XMP key value from the metadata key */
regex_t xmp_regex;
const char *xmp_ns_str = "^xmp_(.+)_namespace$";
const char *xmp_tag_str = "^xmp_(.+)_(.+)$";
const char *key = NULL;
static int regflags = REG_ICASE | REG_EXTENDED;
/* XMP object and file pointers */
XmpPtr xmp;
XmpFilePtr f;
/* Force the hash table to empty */
hash_ns.numitems = 0;
/* Prepare XMP library */
xmp_init();
f = xmp_files_open_new(filename, XMP_OPEN_FORUPDATE);
if ( ! f ) {
msSetError( MS_MISCERR,
"Unable to open temporary file '%s' to write XMP info",
"msXmpWrite()", filename );
return MS_FAILURE;
}
/* Create a new XMP structure if the file doesn't already have one */
xmp = xmp_files_get_new_xmp(f);
if ( xmp == NULL )
xmp = xmp_new_empty();
/* Check we can write to the file */
if ( ! xmp_files_can_put_xmp(f, xmp) ) {
msSetError( MS_MISCERR,
"Unable to write XMP information to '%s'",
"msXmpWrite()", filename );
return MS_FAILURE;
}
/* Compile our "xmp_*_namespace" regex */
if ( regcomp(&xmp_regex, xmp_ns_str, regflags) ) {
msSetError( MS_MISCERR,
"Unable compile regex '%s'",
"msXmpWrite()", xmp_ns_str );
return MS_FAILURE;
}
/* Check all the keys for "xmp_*_namespace" pattern */
initHashTable(&hash_ns);
key = msFirstKeyFromHashTable(&hash_metadata);
/* No first key? No license info. We shouldn't get here. */
if ( ! key )
return MS_SUCCESS;
do {
/* Our regex has one match slot */
regmatch_t matches[2];
/* Found a custom namespace entry! Store it for later. */
if ( 0 == regexec(&xmp_regex, key, 2, matches, 0) ) {
size_t ns_size = 0;
char *ns_name = NULL;
const char *ns_uri;
/* Copy in the namespace name */
ns_size = matches[1].rm_eo - matches[1].rm_so;
ns_name = msSmallMalloc(ns_size + 1);
memcpy(ns_name, key + matches[1].rm_so, ns_size);
ns_name[ns_size] = 0; /* null terminate */
/* Copy in the namespace uri */
ns_uri = msLookupHashTable(&hash_metadata, key);
msInsertHashTable(&hash_ns, ns_name, ns_uri);
xmp_register_namespace(ns_uri, ns_name, NULL);
msFree(ns_name);
}
} while( (key = msNextKeyFromHashTable(&hash_metadata, key)) );
/* Clean up regex */
regfree(&xmp_regex);
/* Compile our "xmp_*_*" regex */
if ( regcomp(&xmp_regex, xmp_tag_str, regflags) ) {
msFreeHashItems(&hash_ns);
msSetError( MS_MISCERR,
"Unable compile regex '%s'",
"msXmpWrite()", xmp_tag_str );
return MS_FAILURE;
}
/* Check all the keys for "xmp_*_*" pattern */
key = msFirstKeyFromHashTable(&hash_metadata);
do {
/* Our regex has two match slots */
regmatch_t matches[3];
/* Found a namespace entry! Write it into XMP. */
if ( 0 == regexec(&xmp_regex, key, 3, matches, 0) ) {
/* Get the namespace and tag name */
size_t ns_name_size = matches[1].rm_eo - matches[1].rm_so;
size_t ns_tag_size = matches[2].rm_eo - matches[2].rm_so;
char *ns_name = msSmallMalloc(ns_name_size + 1);
char *ns_tag = msSmallMalloc(ns_tag_size + 1);
const char *ns_uri = NULL;
memcpy(ns_name, key + matches[1].rm_so, ns_name_size);
memcpy(ns_tag, key + matches[2].rm_so, ns_tag_size);
ns_name[ns_name_size] = 0; /* null terminate */
ns_tag[ns_tag_size] = 0; /* null terminate */
if ( strcmp(ns_tag,"namespace") == 0 ) {
msFree(ns_name);
msFree(ns_tag);
continue;
}
/* If this is a default name space?... */
if ( (ns_uri = msXmpUri(ns_name)) ) {
xmp_register_namespace(ns_uri, ns_name, NULL);
xmp_set_property(xmp, ns_uri, ns_tag, msLookupHashTable(&hash_metadata, key), 0);
}
/* Or maybe it's a custom one?... */
else if ( (ns_uri = msLookupHashTable(&hash_ns, ns_name)) ) {
xmp_set_property(xmp, ns_uri, ns_tag, msLookupHashTable(&hash_metadata, key), 0);
}
/* Or perhaps we're screwed. */
else {
msSetError( MS_MISCERR,
"Unable to identify XMP namespace '%s' in metadata key '%s'",
"msXmpWrite()", ns_name, key );
msFreeHashItems(&hash_ns);
msFree(ns_name);
msFree(ns_tag);
return MS_FAILURE;
}
msFree(ns_name);
msFree(ns_tag);
}
} while( (key = msNextKeyFromHashTable(&hash_metadata, key)) );
/* Clean up regex */
regfree(&xmp_regex);
/* Write out the XMP */
if ( !xmp_files_put_xmp(f, xmp) ) {
msFreeHashItems(&hash_ns);
msSetError( MS_MISCERR,
"Unable to execute '%s' on pointer %p",
"msXmpWrite()", "xmp_files_put_xmp", f );
return MS_FAILURE;
}
/* Write out the file and flush */
if ( !xmp_files_close(f, XMP_CLOSE_SAFEUPDATE) ) {
msFreeHashItems(&hash_ns);
msSetError( MS_MISCERR,
"Unable to execute '%s' on pointer %p",
"msXmpWrite()", "xmp_files_close", f );
return MS_FAILURE;
}
msFreeHashItems(&hash_ns);
xmp_free(xmp);
xmp_terminate();
return MS_SUCCESS;
#else
return MS_FAILURE;
#endif
}
