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mapcontext.c
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mapcontext.c
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/**********************************************************************
* $Id$
*
* Project: MapServer
* Purpose: OGC Web Map Context implementation
* Author: Julien-Samuel Lacroix, DM Solutions Group (lacroix@dmsolutions.ca)
*
**********************************************************************
* Copyright (c) 2002-2003, Julien-Samuel Lacroix, DM Solutions Group Inc
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies of this Software or works derived from this Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
****************************************************************************/
#include "mapserver.h"
#if defined(USE_WMS_LYR) && defined(USE_OGR)
/* There is a dependency to GDAL/OGR for the GML driver and MiniXML parser */
#include "cpl_minixml.h"
#endif
/* msGetMapContextFileText()
**
** Read a file and return is content
**
** Take the filename in argument
** Return value must be freed by caller
*/
char * msGetMapContextFileText(char *filename)
{
char *pszBuffer;
FILE *stream;
int nLength;
/* open file */
if(filename != NULL && strlen(filename) > 0) {
stream = fopen(filename, "rb");
if(!stream) {
msSetError(MS_IOERR, "(%s)", "msGetMapContextFileText()", filename);
return NULL;
}
} else {
msSetError(MS_IOERR, "(%s)", "msGetMapContextFileText()", filename);
return NULL;
}
fseek( stream, 0, SEEK_END );
nLength = ftell( stream );
fseek( stream, 0, SEEK_SET );
pszBuffer = (char *) malloc(nLength+1);
if( pszBuffer == NULL ) {
msSetError(MS_MEMERR, "(%s)", "msGetMapContextFileText()", filename);
fclose( stream );
return NULL;
}
if(fread( pszBuffer, nLength, 1, stream ) == 0 && !feof(stream)) {
free( pszBuffer );
fclose( stream );
msSetError(MS_IOERR, "(%s)", "msGetMapContextFileText()", filename);
return NULL;
}
pszBuffer[nLength] = '\0';
fclose( stream );
return pszBuffer;
}
#if defined(USE_WMS_LYR) && defined(USE_OGR)
/*
**msGetMapContextXMLHashValue()
**
**Get the xml value and put it in the hash table
**
*/
int msGetMapContextXMLHashValue( CPLXMLNode *psRoot, const char *pszXMLPath,
hashTableObj *metadata, char *pszMetadata )
{
char *pszValue;
pszValue = (char*)CPLGetXMLValue( psRoot, pszXMLPath, NULL);
if(pszValue != NULL) {
if( metadata != NULL ) {
msInsertHashTable(metadata, pszMetadata, pszValue );
} else {
return MS_FAILURE;
}
} else {
return MS_FAILURE;
}
return MS_SUCCESS;
}
/*
**msGetMapContextXMLHashValue()
**
**Get the xml value and put it in the hash table
**
*/
int msGetMapContextXMLHashValueDecode( CPLXMLNode *psRoot,
const char *pszXMLPath,
hashTableObj *metadata,
char *pszMetadata )
{
char *pszValue;
pszValue = (char*)CPLGetXMLValue( psRoot, pszXMLPath, NULL);
if(pszValue != NULL) {
if( metadata != NULL ) {
msDecodeHTMLEntities(pszValue);
msInsertHashTable(metadata, pszMetadata, pszValue );
} else {
return MS_FAILURE;
}
} else {
return MS_FAILURE;
}
return MS_SUCCESS;
}
/*
**msGetMapContextXMLStringValue()
**
**Get the xml value and put it in the string field
**
*/
int msGetMapContextXMLStringValue( CPLXMLNode *psRoot, char *pszXMLPath,
char **pszField)
{
char *pszValue;
pszValue = (char*)CPLGetXMLValue( psRoot, pszXMLPath, NULL);
if(pszValue != NULL) {
if( pszField != NULL ) {
*pszField = msStrdup(pszValue);
} else {
return MS_FAILURE;
}
} else {
return MS_FAILURE;
}
return MS_SUCCESS;
}
/*
**msGetMapContextXMLStringValue()
**
**Get the xml value and put it in the string field
**
*/
int msGetMapContextXMLStringValueDecode( CPLXMLNode *psRoot, char *pszXMLPath,
char **pszField)
{
char *pszValue;
pszValue = (char*)CPLGetXMLValue( psRoot, pszXMLPath, NULL);
if(pszValue != NULL) {
if( pszField != NULL ) {
msDecodeHTMLEntities(pszValue);
*pszField = msStrdup(pszValue);
} else {
return MS_FAILURE;
}
} else {
return MS_FAILURE;
}
return MS_SUCCESS;
}
/*
**msGetMapContextXMLFloatValue()
**
**Get the xml value and put it in the string field
**
*/
int msGetMapContextXMLFloatValue( CPLXMLNode *psRoot, char *pszXMLPath,
double *pszField)
{
char *pszValue;
pszValue = (char*)CPLGetXMLValue( psRoot, pszXMLPath, NULL);
if(pszValue != NULL) {
if( pszField != NULL ) {
*pszField = atof(pszValue);
} else {
return MS_FAILURE;
}
} else {
return MS_FAILURE;
}
return MS_SUCCESS;
}
/*
** msLoadMapContextURLELements
**
** Take a Node and get the width, height, format and href from it.
** Then put this info in metadatas.
*/
int msLoadMapContextURLELements( CPLXMLNode *psRoot, hashTableObj *metadata,
const char *pszMetadataRoot)
{
char *pszMetadataName;
if( psRoot == NULL || metadata == NULL || pszMetadataRoot == NULL )
return MS_FAILURE;
pszMetadataName = (char*) malloc( strlen(pszMetadataRoot) + 10 );
sprintf( pszMetadataName, "%s_width", pszMetadataRoot );
msGetMapContextXMLHashValue( psRoot, "width", metadata, pszMetadataName );
sprintf( pszMetadataName, "%s_height", pszMetadataRoot );
msGetMapContextXMLHashValue( psRoot, "height", metadata, pszMetadataName );
sprintf( pszMetadataName, "%s_format", pszMetadataRoot );
msGetMapContextXMLHashValue( psRoot, "format", metadata, pszMetadataName );
sprintf( pszMetadataName, "%s_href", pszMetadataRoot );
msGetMapContextXMLHashValue( psRoot, "OnlineResource.xlink:href", metadata,
pszMetadataName );
free(pszMetadataName);
return MS_SUCCESS;
}
/* msLoadMapContextKeyword
**
** Put the keywords from a XML node and put them in a metadata.
** psRoot should be set to keywordlist
*/
int msLoadMapContextListInMetadata( CPLXMLNode *psRoot, hashTableObj *metadata,
char *pszXMLName, char *pszMetadataName,
char *pszHashDelimiter)
{
char *pszHash, *pszXMLValue, *pszMetadata;
if(psRoot == NULL || psRoot->psChild == NULL ||
metadata == NULL || pszMetadataName == NULL || pszXMLName == NULL)
return MS_FAILURE;
/* Pass from KeywordList to Keyword level */
psRoot = psRoot->psChild;
/* Loop on all elements and append keywords to the hash table */
while (psRoot) {
if (psRoot->psChild && strcasecmp(psRoot->pszValue, pszXMLName) == 0) {
pszXMLValue = psRoot->psChild->pszValue;
pszHash = msLookupHashTable(metadata, pszMetadataName);
if (pszHash != NULL) {
pszMetadata = (char*)malloc(strlen(pszHash)+
strlen(pszXMLValue)+2);
if(pszHashDelimiter == NULL)
sprintf( pszMetadata, "%s%s", pszHash, pszXMLValue );
else
sprintf( pszMetadata, "%s%s%s", pszHash, pszHashDelimiter,
pszXMLValue );
msInsertHashTable(metadata, pszMetadataName, pszMetadata);
free(pszMetadata);
} else
msInsertHashTable(metadata, pszMetadataName, pszXMLValue);
}
psRoot = psRoot->psNext;
}
return MS_SUCCESS;
}
/* msLoadMapContextContactInfo
**
** Put the Contact informations from a XML node and put them in a metadata.
**
*/
int msLoadMapContextContactInfo( CPLXMLNode *psRoot, hashTableObj *metadata )
{
if(psRoot == NULL || metadata == NULL)
return MS_FAILURE;
/* Contact Person primary */
msGetMapContextXMLHashValue(psRoot,
"ContactPersonPrimary.ContactPerson",
metadata, "wms_contactperson");
msGetMapContextXMLHashValue(psRoot,
"ContactPersonPrimary.ContactOrganization",
metadata, "wms_contactorganization");
/* Contact Position */
msGetMapContextXMLHashValue(psRoot,
"ContactPosition",
metadata, "wms_contactposition");
/* Contact Address */
msGetMapContextXMLHashValue(psRoot, "ContactAddress.AddressType",
metadata, "wms_addresstype");
msGetMapContextXMLHashValue(psRoot, "ContactAddress.Address",
metadata, "wms_address");
msGetMapContextXMLHashValue(psRoot, "ContactAddress.City",
metadata, "wms_city");
msGetMapContextXMLHashValue(psRoot, "ContactAddress.StateOrProvince",
metadata, "wms_stateorprovince");
msGetMapContextXMLHashValue(psRoot, "ContactAddress.PostCode",
metadata, "wms_postcode");
msGetMapContextXMLHashValue(psRoot, "ContactAddress.Country",
metadata, "wms_country");
/* Others */
msGetMapContextXMLHashValue(psRoot, "ContactVoiceTelephone",
metadata, "wms_contactvoicetelephone");
msGetMapContextXMLHashValue(psRoot, "ContactFacsimileTelephone",
metadata, "wms_contactfacsimiletelephone");
msGetMapContextXMLHashValue(psRoot, "ContactElectronicMailAddress",
metadata, "wms_contactelectronicmailaddress");
return MS_SUCCESS;
}
/*
** msLoadMapContextLayerFormat
**
**
*/
int msLoadMapContextLayerFormat(CPLXMLNode *psFormat, layerObj *layer)
{
char *pszValue, *pszValue1, *pszHash;
if(psFormat->psChild != NULL &&
strcasecmp(psFormat->pszValue, "Format") == 0 ) {
if(psFormat->psChild->psNext == NULL)
pszValue = psFormat->psChild->pszValue;
else
pszValue = psFormat->psChild->psNext->pszValue;
} else
pszValue = NULL;
if(pszValue != NULL && strcasecmp(pszValue, "") != 0) {
/* wms_format */
pszValue1 = (char*)CPLGetXMLValue(psFormat,
"current", NULL);
if(pszValue1 != NULL &&
(strcasecmp(pszValue1, "1") == 0 || strcasecmp(pszValue1, "true")==0))
msInsertHashTable(&(layer->metadata),
"wms_format", pszValue);
/* wms_formatlist */
pszHash = msLookupHashTable(&(layer->metadata),
"wms_formatlist");
if(pszHash != NULL) {
pszValue1 = (char*)malloc(strlen(pszHash)+
strlen(pszValue)+2);
sprintf(pszValue1, "%s,%s", pszHash, pszValue);
msInsertHashTable(&(layer->metadata),
"wms_formatlist", pszValue1);
free(pszValue1);
} else
msInsertHashTable(&(layer->metadata),
"wms_formatlist", pszValue);
}
/* Make sure selected format is supported or select another
* supported format. Note that we can efficiently do this
* only for GIF/PNG/JPEG, can't try to handle all GDAL
* formats.
*/
pszValue = msLookupHashTable(&(layer->metadata), "wms_format");
if (
#if !(defined USE_GD_PNG || defined USE_PNG)
strcasecmp(pszValue, "image/png") == 0 ||
strcasecmp(pszValue, "PNG") == 0 ||
#endif
#if !(defined USE_GD_JPEG || defined USE_JPEG)
strcasecmp(pszValue, "image/jpeg") == 0 ||
strcasecmp(pszValue, "JPEG") == 0 ||
#endif
#ifndef USE_GD_GIF
strcasecmp(pszValue, "image/gif") == 0 ||
strcasecmp(pszValue, "GIF") == 0 ||
#endif
0 ) {
char **papszList=NULL;
int i, numformats=0;
pszValue = msLookupHashTable(&(layer->metadata),
"wms_formatlist");
papszList = msStringSplit(pszValue, ',', &numformats);
for(i=0; i < numformats; i++) {
if (
#if (defined USE_GD_PNG || defined USE_PNG)
strcasecmp(papszList[i], "image/png") == 0 ||
strcasecmp(papszList[i], "PNG") == 0 ||
#endif
#if (defined USE_GD_JPEG || defined USE_JPEG)
strcasecmp(papszList[i], "image/jpeg") == 0 ||
strcasecmp(papszList[i], "JPEG") == 0 ||
#endif
#ifdef USE_GD_GIF
strcasecmp(papszList[i], "image/gif") == 0 ||
strcasecmp(papszList[i], "GIF") == 0 ||
#endif
0 ) {
/* Found a match */
msInsertHashTable(&(layer->metadata),
"wms_format", papszList[i]);
break;
}
}
if(papszList)
msFreeCharArray(papszList, numformats);
} /* end if unsupported format */
return MS_SUCCESS;
}
int msLoadMapContextLayerStyle(CPLXMLNode *psStyle, layerObj *layer,
int nStyle)
{
char *pszValue, *pszValue1, *pszValue2;
char *pszHash, *pszStyle=NULL, *pszStyleName;
CPLXMLNode *psStyleSLDBody;
pszStyleName =(char*)CPLGetXMLValue(psStyle,"Name",NULL);
if(pszStyleName == NULL) {
pszStyleName = (char*)malloc(20);
sprintf(pszStyleName, "Style{%d}", nStyle);
} else
pszStyleName = msStrdup(pszStyleName);
/* wms_style */
pszValue = (char*)CPLGetXMLValue(psStyle,"current",NULL);
if(pszValue != NULL &&
(strcasecmp(pszValue, "1") == 0 ||
strcasecmp(pszValue, "true") == 0))
msInsertHashTable(&(layer->metadata),
"wms_style", pszStyleName);
/* wms_stylelist */
pszHash = msLookupHashTable(&(layer->metadata),
"wms_stylelist");
if(pszHash != NULL) {
pszValue1 = (char*)malloc(strlen(pszHash)+
strlen(pszStyleName)+2);
sprintf(pszValue1, "%s,%s", pszHash, pszStyleName);
msInsertHashTable(&(layer->metadata),
"wms_stylelist", pszValue1);
free(pszValue1);
} else
msInsertHashTable(&(layer->metadata),
"wms_stylelist", pszStyleName);
/* Title */
pszStyle = (char*)malloc(strlen(pszStyleName)+20);
sprintf(pszStyle,"wms_style_%s_title",pszStyleName);
if( msGetMapContextXMLHashValue(psStyle, "Title", &(layer->metadata),
pszStyle) == MS_FAILURE )
msInsertHashTable(&(layer->metadata), pszStyle, layer->name);
free(pszStyle);
/* SLD */
pszStyle = (char*)malloc(strlen(pszStyleName)+15);
sprintf(pszStyle, "wms_style_%s_sld", pszStyleName);
msGetMapContextXMLHashValueDecode( psStyle, "SLD.OnlineResource.xlink:href",
&(layer->metadata), pszStyle );
free(pszStyle);
/* SLDBODY */
pszStyle = (char*)malloc(strlen(pszStyleName)+20);
sprintf(pszStyle, "wms_style_%s_sld_body", pszStyleName);
psStyleSLDBody = CPLGetXMLNode(psStyle, "SLD.StyledLayerDescriptor");
/*some clients such as OpenLayers add a name space, which I believe is wrong but
added this additional test for compatibility #3115*/
if (psStyleSLDBody == NULL)
psStyleSLDBody = CPLGetXMLNode(psStyle, "SLD.sld:StyledLayerDescriptor");
if(psStyleSLDBody != NULL && &(layer->metadata) != NULL) {
pszValue = CPLSerializeXMLTree(psStyleSLDBody);
if(pszValue != NULL) {
/* Before including SLDBody in the mapfile, we must replace the */
/* double quote for single quote. This is to prevent having this: */
/* "metadata" "<string attriute="ttt">" */
char *c;
for(c=pszValue; *c != '\0'; c++)
if(*c == '"')
*c = '\'';
msInsertHashTable(&(layer->metadata), pszStyle, pszValue );
msFree(pszValue);
}
}
free(pszStyle);
/* LegendURL */
pszStyle = (char*) malloc(strlen(pszStyleName) + 25);
sprintf( pszStyle, "wms_style_%s_legendurl",
pszStyleName);
msLoadMapContextURLELements( CPLGetXMLNode(psStyle, "LegendURL"),
&(layer->metadata), pszStyle );
free(pszStyle);
free(pszStyleName);
/* */
/* Add the stylelist to the layer connection */
/* */
if(msLookupHashTable(&(layer->metadata),
"wms_stylelist") == NULL) {
if(layer->connection)
pszValue = msStrdup(layer->connection);
else
pszValue = msStrdup( "" );
pszValue1 = strstr(pszValue, "STYLELIST=");
if(pszValue1 != NULL) {
pszValue1 += 10;
pszValue2 = strchr(pszValue, '&');
if(pszValue2 != NULL)
pszValue1[pszValue2-pszValue1] = '\0';
msInsertHashTable(&(layer->metadata), "wms_stylelist",
pszValue1);
}
free(pszValue);
}
/* */
/* Add the style to the layer connection */
/* */
if(msLookupHashTable(&(layer->metadata), "wms_style") == NULL) {
if(layer->connection)
pszValue = msStrdup(layer->connection);
else
pszValue = msStrdup( "" );
pszValue1 = strstr(pszValue, "STYLE=");
if(pszValue1 != NULL) {
pszValue1 += 6;
pszValue2 = strchr(pszValue, '&');
if(pszValue2 != NULL)
pszValue1[pszValue2-pszValue1] = '\0';
msInsertHashTable(&(layer->metadata), "wms_style",
pszValue1);
}
free(pszValue);
}
return MS_SUCCESS;
}
int msLoadMapContextLayerDimension(CPLXMLNode *psDimension, layerObj *layer)
{
char *pszValue, *pszHash;
char *pszDimension=NULL, *pszDimensionName=NULL;
pszDimensionName =(char*)CPLGetXMLValue(psDimension,"name",NULL);
if(pszDimensionName == NULL) {
return MS_FALSE;
} else
pszDimensionName = msStrdup(pszDimensionName);
pszDimension = (char*)malloc(strlen(pszDimensionName)+50);
/* wms_dimension: This is the current dimension */
pszValue = (char*)CPLGetXMLValue(psDimension, "current", NULL);
if(pszValue != NULL && (strcasecmp(pszValue, "1") == 0 ||
strcasecmp(pszValue, "true") == 0))
msInsertHashTable(&(layer->metadata),
"wms_dimension", pszDimensionName);
/* wms_dimensionlist */
pszHash = msLookupHashTable(&(layer->metadata),
"wms_dimensionlist");
if(pszHash != NULL) {
pszValue = (char*)malloc(strlen(pszHash)+
strlen(pszDimensionName)+2);
sprintf(pszValue, "%s,%s", pszHash, pszDimensionName);
msInsertHashTable(&(layer->metadata),
"wms_dimensionlist", pszValue);
free(pszValue);
} else
msInsertHashTable(&(layer->metadata),
"wms_dimensionlist", pszDimensionName);
/* Units */
sprintf(pszDimension, "wms_dimension_%s_units", pszDimensionName);
msGetMapContextXMLHashValue(psDimension, "units", &(layer->metadata),
pszDimension);
/* UnitSymbol */
sprintf(pszDimension, "wms_dimension_%s_unitsymbol", pszDimensionName);
msGetMapContextXMLHashValue(psDimension, "unitSymbol", &(layer->metadata),
pszDimension);
/* userValue */
sprintf(pszDimension, "wms_dimension_%s_uservalue", pszDimensionName);
msGetMapContextXMLHashValue(psDimension, "userValue", &(layer->metadata),
pszDimension);
if(strcasecmp(pszDimensionName, "time") == 0)
msGetMapContextXMLHashValue(psDimension, "userValue", &(layer->metadata),
"wms_time");
/* default */
sprintf(pszDimension, "wms_dimension_%s_default", pszDimensionName);
msGetMapContextXMLHashValue(psDimension, "default", &(layer->metadata),
pszDimension);
/* multipleValues */
sprintf(pszDimension, "wms_dimension_%s_multiplevalues", pszDimensionName);
msGetMapContextXMLHashValue(psDimension, "multipleValues",&(layer->metadata),
pszDimension);
/* nearestValue */
sprintf(pszDimension, "wms_dimension_%s_nearestvalue", pszDimensionName);
msGetMapContextXMLHashValue(psDimension, "nearestValue", &(layer->metadata),
pszDimension);
free(pszDimension);
free(pszDimensionName);
return MS_SUCCESS;
}
/*
** msLoadMapContextGeneral
**
** Load the General block of the mapcontext document
*/
int msLoadMapContextGeneral(mapObj *map, CPLXMLNode *psGeneral,
CPLXMLNode *psMapContext, int nVersion,
char *filename)
{
char *pszProj=NULL;
char *pszValue, *pszValue1, *pszValue2;
/* Projection */
pszValue = (char*)CPLGetXMLValue(psGeneral,
"BoundingBox.SRS", NULL);
if(pszValue != NULL) {
if(strncasecmp(pszValue, "AUTO:", 5) == 0) {
pszProj = msStrdup(pszValue);
} else {
pszProj = (char*) malloc(sizeof(char)*(strlen(pszValue)+10));
sprintf(pszProj, "init=epsg:%s", pszValue+5);
}
msInitProjection(&map->projection);
map->projection.args[map->projection.numargs] = msStrdup(pszProj);
map->projection.numargs++;
msProcessProjection(&map->projection);
if( (map->units = GetMapserverUnitUsingProj(&(map->projection))) == -1) {
free(pszProj);
msSetError( MS_MAPCONTEXTERR,
"Unable to set units for projection '%s'",
"msLoadMapContext()", pszProj );
return MS_FAILURE;
}
free(pszProj);
} else {
msDebug("Mandatory data General.BoundingBox.SRS missing in %s.",
filename);
}
/* Extent */
if( msGetMapContextXMLFloatValue(psGeneral, "BoundingBox.minx",
&(map->extent.minx)) == MS_FAILURE) {
msDebug("Mandatory data General.BoundingBox.minx missing in %s.",
filename);
}
if( msGetMapContextXMLFloatValue(psGeneral, "BoundingBox.miny",
&(map->extent.miny)) == MS_FAILURE) {
msDebug("Mandatory data General.BoundingBox.miny missing in %s.",
filename);
}
if( msGetMapContextXMLFloatValue(psGeneral, "BoundingBox.maxx",
&(map->extent.maxx)) == MS_FAILURE) {
msDebug("Mandatory data General.BoundingBox.maxx missing in %s.",
filename);
}
if( msGetMapContextXMLFloatValue(psGeneral, "BoundingBox.maxy",
&(map->extent.maxy)) == MS_FAILURE) {
msDebug("Mandatory data General.BoundingBox.maxy missing in %s.",
filename);
}
/* Title */
if( msGetMapContextXMLHashValue(psGeneral, "Title",
&(map->web.metadata), "wms_title") == MS_FAILURE) {
if ( nVersion >= OWS_1_0_0 )
msDebug("Mandatory data General.Title missing in %s.", filename);
else {
if( msGetMapContextXMLHashValue(psGeneral, "gml:name",
&(map->web.metadata), "wms_title") == MS_FAILURE ) {
if( nVersion < OWS_0_1_7 )
msDebug("Mandatory data General.Title missing in %s.", filename);
else
msDebug("Mandatory data General.gml:name missing in %s.",
filename);
}
}
}
/* Name */
if( nVersion >= OWS_1_0_0 ) {
pszValue = (char*)CPLGetXMLValue(psMapContext,
"id", NULL);
if (pszValue)
map->name = msStrdup(pszValue);
} else {
if(msGetMapContextXMLStringValue(psGeneral, "Name",
&(map->name)) == MS_FAILURE) {
msGetMapContextXMLStringValue(psGeneral, "gml:name",
&(map->name));
}
}
/* Keyword */
if( nVersion >= OWS_1_0_0 ) {
msLoadMapContextListInMetadata(
CPLGetXMLNode(psGeneral, "KeywordList"),
&(map->web.metadata), "KEYWORD", "wms_keywordlist", "," );
} else
msGetMapContextXMLHashValue(psGeneral, "Keywords",
&(map->web.metadata), "wms_keywordlist");
/* Window */
pszValue1 = (char*)CPLGetXMLValue(psGeneral,"Window.width",NULL);
pszValue2 = (char*)CPLGetXMLValue(psGeneral,"Window.height",NULL);
if(pszValue1 != NULL && pszValue2 != NULL) {
map->width = atoi(pszValue1);
map->height = atoi(pszValue2);
}
/* Abstract */
if( msGetMapContextXMLHashValue( psGeneral,
"Abstract", &(map->web.metadata),
"wms_abstract") == MS_FAILURE ) {
msGetMapContextXMLHashValue( psGeneral, "gml:description",
&(map->web.metadata), "wms_abstract");
}
/* DataURL */
msGetMapContextXMLHashValueDecode(psGeneral,
"DataURL.OnlineResource.xlink:href",
&(map->web.metadata), "wms_dataurl");
/* LogoURL */
/* The logourl have a width, height, format and an URL */
msLoadMapContextURLELements( CPLGetXMLNode(psGeneral, "LogoURL"),
&(map->web.metadata), "wms_logourl" );
/* DescriptionURL */
/* The descriptionurl have a width, height, format and an URL */
msLoadMapContextURLELements( CPLGetXMLNode(psGeneral,
"DescriptionURL"),
&(map->web.metadata), "wms_descriptionurl" );
/* Contact Info */
msLoadMapContextContactInfo(
CPLGetXMLNode(psGeneral, "ContactInformation"),
&(map->web.metadata) );
return MS_SUCCESS;
}
/*
** msLoadMapContextLayer
**
** Load a Layer block from a MapContext document
*/
int msLoadMapContextLayer(mapObj *map, CPLXMLNode *psLayer, int nVersion,
char *filename, int unique_layer_names)
{
char *pszProj=NULL;
char *pszValue;
char *pszHash, *pszName=NULL;
CPLXMLNode *psFormatList, *psFormat, *psStyleList, *psStyle, *psExtension;
CPLXMLNode *psDimensionList, *psDimension;
int nStyle;
layerObj *layer;
/* Init new layer */
if(msGrowMapLayers(map) == NULL)
return MS_FAILURE;
layer = (GET_LAYER(map, map->numlayers));
initLayer(layer, map);
layer->map = (mapObj *)map;
layer->type = MS_LAYER_RASTER;
/* save the index */
GET_LAYER(map, map->numlayers)->index = map->numlayers;
map->layerorder[map->numlayers] = map->numlayers;
map->numlayers++;
/* Status */
pszValue = (char*)CPLGetXMLValue(psLayer, "hidden", "1");
if((pszValue != NULL) && (atoi(pszValue) == 0 &&
!strcasecmp(pszValue, "true") == 0))
layer->status = MS_ON;
else
layer->status = MS_OFF;
/* Queryable */
pszValue = (char*)CPLGetXMLValue(psLayer, "queryable", "0");
if(pszValue !=NULL && (atoi(pszValue) == 1 ||
strcasecmp(pszValue, "true") == 0))
layer->template = msStrdup("ttt");
/* Name and Title */
pszValue = (char*)CPLGetXMLValue(psLayer, "Name", NULL);
if(pszValue != NULL) {
msInsertHashTable( &(layer->metadata), "wms_name", pszValue );
if (unique_layer_names) {
pszName = (char*)malloc(sizeof(char)*(strlen(pszValue)+15));
sprintf(pszName, "l%d:%s", layer->index, pszValue);
layer->name = msStrdup(pszName);
free(pszName);
} else
layer->name = msStrdup(pszValue);
} else {
pszName = (char*)malloc(sizeof(char)*15);
sprintf(pszName, "l%d:", layer->index);
layer->name = msStrdup(pszName);
free(pszName);
}
if(msGetMapContextXMLHashValue(psLayer, "Title", &(layer->metadata),
"wms_title") == MS_FAILURE) {
if(msGetMapContextXMLHashValue(psLayer, "Server.title",
&(layer->metadata), "wms_title") == MS_FAILURE) {
msDebug("Mandatory data Layer.Title missing in %s.", filename);
}
}
/* Server Title */
msGetMapContextXMLHashValue(psLayer, "Server.title", &(layer->metadata), "wms_server_title");
/* Abstract */
msGetMapContextXMLHashValue(psLayer, "Abstract", &(layer->metadata),
"wms_abstract");
/* DataURL */
if(nVersion <= OWS_0_1_4) {
msGetMapContextXMLHashValueDecode(psLayer,
"DataURL.OnlineResource.xlink:href",
&(layer->metadata), "wms_dataurl");
} else {
/* The DataURL have a width, height, format and an URL */
/* Width and height are not used, but they are included to */
/* be consistent with the spec. */
msLoadMapContextURLELements( CPLGetXMLNode(psLayer, "DataURL"),
&(layer->metadata), "wms_dataurl" );
}
/* The MetadataURL have a width, height, format and an URL */
/* Width and height are not used, but they are included to */
/* be consistent with the spec. */
msLoadMapContextURLELements( CPLGetXMLNode(psLayer, "MetadataURL"),
&(layer->metadata), "wms_metadataurl" );
/* MinScale && MaxScale */
pszValue = (char*)CPLGetXMLValue(psLayer, "sld:MinScaleDenominator", NULL);
if(pszValue != NULL) {
layer->minscaledenom = atof(pszValue);
}
pszValue = (char*)CPLGetXMLValue(psLayer, "sld:MaxScaleDenominator", NULL);
if(pszValue != NULL) {
layer->maxscaledenom = atof(pszValue);
}
/* */
/* Server */
/* */
if(nVersion >= OWS_0_1_4) {
if(msGetMapContextXMLStringValueDecode(psLayer,
"Server.OnlineResource.xlink:href",
&(layer->connection)) == MS_FAILURE) {
msSetError(MS_MAPCONTEXTERR,
"Mandatory data Server.OnlineResource.xlink:href missing in %s.",
"msLoadMapContext()", filename);
return MS_FAILURE;
} else {
msGetMapContextXMLHashValueDecode(psLayer,
"Server.OnlineResource.xlink:href",
&(layer->metadata), "wms_onlineresource");
layer->connectiontype = MS_WMS;
}
} else {
if(msGetMapContextXMLStringValueDecode(psLayer,
"Server.onlineResource",
&(layer->connection)) == MS_FAILURE) {
msSetError(MS_MAPCONTEXTERR,
"Mandatory data Server.onlineResource missing in %s.",
"msLoadMapContext()", filename);
return MS_FAILURE;
} else {
msGetMapContextXMLHashValueDecode(psLayer, "Server.onlineResource",
&(layer->metadata), "wms_onlineresource");
layer->connectiontype = MS_WMS;
}
}
if(nVersion >= OWS_0_1_4) {
if(msGetMapContextXMLHashValue(psLayer, "Server.version",
&(layer->metadata), "wms_server_version") == MS_FAILURE) {
msSetError(MS_MAPCONTEXTERR,
"Mandatory data Server.version missing in %s.",
"msLoadMapContext()", filename);
return MS_FAILURE;
}
} else {
if(msGetMapContextXMLHashValue(psLayer, "Server.wmtver",
&(layer->metadata), "wms_server_version") == MS_FAILURE) {
msSetError(MS_MAPCONTEXTERR,
"Mandatory data Server.wmtver missing in %s.",
"msLoadMapContext()", filename);
return MS_FAILURE;
}
}
/* Projection */
msLoadMapContextListInMetadata( psLayer, &(layer->metadata),
"SRS", "wms_srs", " " );
pszHash = msLookupHashTable(&(layer->metadata), "wms_srs");
if(((pszHash == NULL) || (strcasecmp(pszHash, "") == 0)) &&
map->projection.numargs != 0) {
pszProj = map->projection.args[map->projection.numargs-1];
if(pszProj != NULL) {
if(strncasecmp(pszProj, "AUTO:", 5) == 0) {
msInsertHashTable(&(layer->metadata),"wms_srs", pszProj);
} else {
if(strlen(pszProj) > 10) {
pszProj = (char*) malloc(sizeof(char) * (strlen(pszProj)));
sprintf( pszProj, "EPSG:%s",
map->projection.args[map->projection.numargs-1]+10);
msInsertHashTable(&(layer->metadata),"wms_srs", pszProj);
} else {
msDebug("Unable to set data for layer wms_srs from this"
" value %s.",
pszProj);
}
}
}
}
/* */
/* Format */
/* */
if( nVersion >= OWS_0_1_4 ) {
psFormatList = CPLGetXMLNode(psLayer, "FormatList");
} else {
psFormatList = psLayer;
}
if(psFormatList != NULL) {
for(psFormat = psFormatList->psChild;
psFormat != NULL;
psFormat = psFormat->psNext) {
msLoadMapContextLayerFormat(psFormat, layer);
}
} /* end FormatList parsing */