Function generateClassTemplate

maptemplate.c:2814–2952

! * Replace all tags from class template * with correct value. * * this function return a buffer containing * the template with correct values. * * buffer must be freed by caller. */

 * buffer must be freed by caller.
*/
int generateClassTemplate(char* pszClassTemplate, mapObj *map, int nIdxLayer, int nIdxClass, hashTableObj *oClassArgs, char **pszTemp, char* pszPrefix)
{
   hashTableObj *myHashTable;
   char szStatus[10];
   char szType[10];
   
   char *pszClassImg;
   int nOptFlag=0;
   char *pszOptFlag = NULL;

   char szTmpstr[128]; /* easily big enough for the couple of instances we need */

   *pszTemp = NULL;
   
   if(!pszClassTemplate ||
       !map || 
       nIdxLayer > map->numlayers ||
       nIdxLayer < 0 ||
       nIdxClass > GET_LAYER(map, nIdxLayer)->numclasses ||
       nIdxClass < 0) {
        
     msSetError(MS_WEBERR, "Invalid pointer.", "generateClassTemplate()");
     return MS_FAILURE;
   }

   if(oClassArgs)
     pszOptFlag = msLookupHashTable(oClassArgs, "Opt_flag");

   if(pszOptFlag)
     nOptFlag = atoi(pszOptFlag);
      
   /* don't display deleted layers */
   if(GET_LAYER(map, nIdxLayer)->status == MS_DELETE)
     return MS_SUCCESS;

   /* dont display class if layer is off. */
   /* check this if Opt flag is not set */
   if((nOptFlag & 2) == 0 && GET_LAYER(map, nIdxLayer)->status == MS_OFF)
     return MS_SUCCESS;

   /* dont display class if layer is query. */
   /* check this if Opt flag is not set       */
   if((nOptFlag & 4) == 0 && GET_LAYER(map, nIdxLayer)->type == MS_LAYER_QUERY)
     return MS_SUCCESS;
      
   /* dont display class if layer is annotation. */
   /* check this if Opt flag is not set       */
   if((nOptFlag & 8) == 0 && GET_LAYER(map, nIdxLayer)->type == MS_LAYER_ANNOTATION)
     return MS_SUCCESS;
      
   /* dont display layer if out of scale. */
   /* check this if Opt flag is not set */
   if((nOptFlag & 1) == 0) {
      if(map->scaledenom > 0) {
         if((GET_LAYER(map, nIdxLayer)->maxscaledenom > 0) && (map->scaledenom > GET_LAYER(map, nIdxLayer)->maxscaledenom))
           return MS_SUCCESS;
         if((GET_LAYER(map, nIdxLayer)->minscaledenom > 0) && (map->scaledenom <= GET_LAYER(map, nIdxLayer)->minscaledenom))
           return MS_SUCCESS;