MapServer/src/mapcontext.c at main · MapServer/MapServer · GitHub

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/**********************************************************************

* $Id$

* Project: MapServer

* Purpose: OGC Web Map Context implementation

* Author: Julien-Samuel Lacroix, DM Solutions Group (lacroix@dmsolutions.ca)

**********************************************************************

* 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"

#include "mapows.h"

#include "cpl_vsi.h"

#include "cpl_conv.h"

#if defined(USE_WMS_LYR)

/* 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

static char *msGetMapContextFileText(const char *filename) {

char *pszBuffer;

VSILFILE *stream;

vsi_l_offset nLength;

/* open file */

if (filename != NULL && strlen(filename) > 0) {

stream = VSIFOpenL(filename, "rb");

if (!stream) {

msSetError(MS_IOERR, "(%s)", "msGetMapContextFileText()", filename);

return NULL;

}

} else {

msSetError(MS_IOERR, "(%s)", "msGetMapContextFileText()", filename);

return NULL;

}

VSIFSeekL(stream, 0, SEEK_END);

nLength = VSIFTellL(stream);

VSIFSeekL(stream, 0, SEEK_SET);

if (nLength > 100 * 1024 * 1024U) {

msSetError(MS_MEMERR, "(%s): too big file", "msGetMapContextFileText()",

filename);

VSIFCloseL(stream);

return NULL;

}

pszBuffer = (char *)malloc((size_t)nLength + 1);

if (pszBuffer == NULL) {

msSetError(MS_MEMERR, "(%s)", "msGetMapContextFileText()", filename);

VSIFCloseL(stream);

return NULL;

}

if (VSIFReadL(pszBuffer, nLength, 1, stream) == 0) {

free(pszBuffer);

VSIFCloseL(stream);

msSetError(MS_IOERR, "(%s)", "msGetMapContextFileText()", filename);

return NULL;

}

pszBuffer[nLength] = '\0';

VSIFCloseL(stream);

return pszBuffer;

}

#if defined(USE_WMS_LYR)

**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) {

const char *pszHash, *pszXMLValue;

char *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 information 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) {

const char *pszValue;

char *pszValue1;

const char *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 (pszValue && (

#if !(defined USE_PNG)

strcasecmp(pszValue, "image/png") == 0 ||

strcasecmp(pszValue, "PNG") == 0 ||

#endif

#if !(defined USE_JPEG)

strcasecmp(pszValue, "image/jpeg") == 0 ||

strcasecmp(pszValue, "JPEG") == 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_PNG)

strcasecmp(papszList[i], "image/png") == 0 ||

strcasecmp(papszList[i], "PNG") == 0 ||

#endif

#if (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;

const char *pszHash;

char *pszStyle = NULL;

char *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) {

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;

const char *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,

const char *filename) {

char *pszProj = NULL;

char *pszValue, *pszValue1, *pszValue2;

int nTmp;

/* Projection */

pszValue = (char *)CPLGetXMLValue(psGeneral, "BoundingBox.SRS", NULL);

if (pszValue != NULL && !EQUAL(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);

}

msFreeProjection(&map->projection);

msInitProjection(&map->projection);

map->projection.args[map->projection.numargs] = msStrdup(pszProj);

map->projection.numargs++;

msProcessProjection(&map->projection);

if ((nTmp = GetMapserverUnitUsingProj(&(map->projection))) == -1) {

msSetError(MS_MAPCONTEXTERR, "Unable to set units for projection '%s'",

"msLoadMapContext()", pszProj);

free(pszProj);

return MS_FAILURE;

} else {

map->units = nTmp;

}

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) {

msFree(map->name);

map->name = msStrdup(pszValue);

}

} else {

char *pszMapName = NULL;

if (msGetMapContextXMLStringValue(psGeneral, "Name", &pszMapName) ==

MS_FAILURE) {

msGetMapContextXMLStringValue(psGeneral, "gml:name", &pszMapName);

}

if (pszMapName) {

msFree(map->name);

map->name = pszMapName;

}

/* 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,

const char *filename, int unique_layer_names) {

char *pszValue;

const char *pszHash;

char *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) {

const char *pszLastProjArg =

map->projection.args[map->projection.numargs - 1];

if (pszLastProjArg != NULL) {

if (strncasecmp(pszLastProjArg, "AUTO:", 5) == 0) {

msInsertHashTable(&(layer->metadata), "wms_srs", pszLastProjArg);

} else {

if (strncasecmp(pszLastProjArg, "+init=epsg:", strlen("+init=epsg:")) ==

0) {

const size_t nSRSSize =

strlen("EPSG:") + strlen(pszLastProjArg + strlen("+init=epsg:")) +

char *pszSRS = (char *)malloc(nSRSSize);

snprintf(pszSRS, nSRSSize, "EPSG:%s",

pszLastProjArg + strlen("+init=epsg:"));

msInsertHashTable(&(layer->metadata), "wms_srs", pszSRS);

msFree(pszSRS);

} else {

msDebug("Unable to set data for layer wms_srs from this"

" value %s.",

pszLastProjArg);

}

/* */

/* 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 */

/* Style */

if (nVersion >= OWS_0_1_4) {

psStyleList = CPLGetXMLNode(psLayer, "StyleList");

} else {

psStyleList = psLayer;

}

if (psStyleList != NULL) {

nStyle = 0;

for (psStyle = psStyleList->psChild; psStyle != NULL;

psStyle = psStyle->psNext) {

if (strcasecmp(psStyle->pszValue, "Style") == 0) {

nStyle++;

msLoadMapContextLayerStyle(psStyle, layer, nStyle);

}

/* Dimension */

psDimensionList = CPLGetXMLNode(psLayer, "DimensionList");

if (psDimensionList != NULL) {

for (psDimension = psDimensionList->psChild; psDimension != NULL;

psDimension = psDimension->psNext) {

if (strcasecmp(psDimension->pszValue, "Dimension") == 0) {

msLoadMapContextLayerDimension(psDimension, layer);

}

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