/**********************************************************************
 * $Id$
 *
 * 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"
#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:")) +
              1;
          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);
      }
    }
  }

  /* Extension */
  psExtension = CPLGetXMLNode(psLayer, "Extension");
  if (psExtension != NULL) {
    pszValue = (char *)CPLGetXMLValue(psExtension, "ol:opacity", NULL);
    if (pszValue != NULL) {
      if (!layer->compositer) {
        layer->compositer = msSmallMalloc(sizeof(LayerCompositer));
        initLayerCompositer(layer->compositer);
      }
      layer->compositer->opacity = atof(pszValue) * 100;
    }
  }

  return MS_SUCCESS;
}

#endif

/* msLoadMapContextURL()
**
** load an OGC Web Map Context format from an URL
**
** Take a map object and a URL to a connect file in arguments
*/

int msLoadMapContextURL(mapObj *map, char *urlfilename,
                        int unique_layer_names) {
#if defined(USE_WMS_LYR)
  char *pszTmpFile = NULL;
  int status = 0;

  if (!map || !urlfilename) {
    msSetError(MS_MAPCONTEXTERR, "Invalid map or url given.",
               "msGetMapContextURL()");
    return MS_FAILURE;
  }

  pszTmpFile = msTmpFile(map, map->mappath, NULL, "context.xml");
  if (msHTTPGetFile(urlfilename, pszTmpFile, &status, -1, 0, 0, 0) ==
      MS_SUCCESS) {
    return msLoadMapContext(map, pszTmpFile, unique_layer_names);
  } else {
    msSetError(MS_MAPCONTEXTERR, "Could not open context file %s.",
               "msGetMapContextURL()", urlfilename);
    return MS_FAILURE;
  }

#else
  msSetError(MS_MAPCONTEXTERR,
             "Not implemented since Map Context is not enabled.",
             "msGetMapContextURL()");
  return MS_FAILURE;
#endif
}
/* msLoadMapContext()
**
** Get a mapfile from a OGC Web Map Context format
**
** Take as first map object and a file in arguments
** If The 2nd aregument unique_layer_names is set to MS_TRUE, the layer
** name created would be unique and be prefixed with an l plus the layers's
*index
** (eg l:1:park. l:2:road ...). If It is set to MS_FALSE, the layer name
** would be the same name as the layer name in the context
*/
int msLoadMapContext(mapObj *map, const char *filename,
                     int unique_layer_names) {
#if defined(USE_WMS_LYR)
  char *pszWholeText, *pszValue;
  CPLXMLNode *psRoot, *psMapContext, *psLayer, *psLayerList, *psChild;
  char szPath[MS_MAXPATHLEN];
  int nVersion = -1;
  char szVersionBuf[OWS_VERSION_MAXLEN];

  const char *ms_contextfile_pattern = CPLGetConfigOption(
      "MS_CONTEXTFILE_PATTERN", MS_DEFAULT_CONTEXTFILE_PATTERN);
  if (msEvalRegex(ms_contextfile_pattern, filename) != MS_TRUE) {
    msSetError(MS_REGEXERR, "Filename validation failed.",
               "msLoadMapContext()");
    return MS_FAILURE;
  }

  /*  */
  /* Load the raw XML file */
  /*  */

  pszWholeText =
      msGetMapContextFileText(msBuildPath(szPath, map->mappath, filename));
  if (pszWholeText == NULL) {
    msSetError(MS_MAPCONTEXTERR, "Unable to read %s", "msLoadMapContext()",
               filename);
    return MS_FAILURE;
  }

  if ((strstr(pszWholeText, "<WMS_Viewer_Context") == NULL) &&
      (strstr(pszWholeText, "<View_Context") == NULL) &&
      (strstr(pszWholeText, "<ViewContext") == NULL))

  {
    free(pszWholeText);
    msSetError(MS_MAPCONTEXTERR, "Not a Map Context file (%s)",
               "msLoadMapContext()", filename);
    return MS_FAILURE;
  }

  /*  */
  /* Convert to XML parse tree. */
  /*  */
  psRoot = CPLParseXMLString(pszWholeText);
  free(pszWholeText);

  /* We assume parser will report errors via CPL. */
  if (psRoot == NULL) {
    msSetError(MS_MAPCONTEXTERR, "Invalid XML file (%s)", "msLoadMapContext()",
               filename);
    return MS_FAILURE;
  }

  /*  */
  /* Valid the MapContext file and get the root of the document */
  /*  */
  psChild = psRoot;
  psMapContext = NULL;
  while (psChild != NULL) {
    if (psChild->eType == CXT_Element &&
        (EQUAL(psChild->pszValue, "WMS_Viewer_Context") ||
         EQUAL(psChild->pszValue, "View_Context") ||
         EQUAL(psChild->pszValue, "ViewContext"))) {
      psMapContext = psChild;
      break;
    } else {
      psChild = psChild->psNext;
    }
  }

  if (psMapContext == NULL) {
    CPLDestroyXMLNode(psRoot);
    msSetError(MS_MAPCONTEXTERR, "Invalid Map Context File (%s)",
               "msLoadMapContext()", filename);
    return MS_FAILURE;
  }

  /* Fetch document version number */
  pszValue = (char *)CPLGetXMLValue(psMapContext, "version", NULL);
  if (!pszValue) {
    msDebug("msLoadMapContext(): Mandatory data version missing in %s, "
            "assuming 0.1.4.",
            filename);
    pszValue = "0.1.4";
  }

  nVersion = msOWSParseVersionString(pszValue);

  /* Make sure this is a supported version */
  switch (nVersion) {
  case OWS_0_1_2:
  case OWS_0_1_4:
  case OWS_0_1_7:
  case OWS_1_0_0:
  case OWS_1_1_0:
    /* All is good, this is a supported version. */
    break;
  default:
    /* Not a supported version */
    msSetError(MS_MAPCONTEXTERR,
               "This version of Map Context is not supported (%s).",
               "msLoadMapContext()", pszValue);
    CPLDestroyXMLNode(psRoot);
    return MS_FAILURE;
  }

  /* Reformat and save Version in metadata */
  msInsertHashTable(&(map->web.metadata), "wms_context_version",
                    msOWSGetVersionString(nVersion, szVersionBuf));

  if (nVersion >= OWS_0_1_7 && nVersion < OWS_1_0_0) {
    if (msGetMapContextXMLHashValue(psMapContext, "fid", &(map->web.metadata),
                                    "wms_context_fid") == MS_FAILURE) {
      msDebug("Mandatory data fid missing in %s.", filename);
    }
  }

  /*  */
  /* Load the General bloc */
  /*  */
  psChild = CPLGetXMLNode(psMapContext, "General");
  if (psChild == NULL) {
    CPLDestroyXMLNode(psRoot);
    msSetError(MS_MAPCONTEXTERR,
               "The Map Context document provided (%s) does not contain any "
               "General elements.",
               "msLoadMapContext()", filename);
    return MS_FAILURE;
  }

  if (msLoadMapContextGeneral(map, psChild, psMapContext, nVersion, filename) ==
      MS_FAILURE) {
    CPLDestroyXMLNode(psRoot);
    return MS_FAILURE;
  }

  /*  */
  /* Load the bloc LayerList */
  /*  */
  psLayerList = CPLGetXMLNode(psMapContext, "LayerList");
  if (psLayerList != NULL) {
    for (psLayer = psLayerList->psChild; psLayer != NULL;
         psLayer = psLayer->psNext) {
      if (EQUAL(psLayer->pszValue, "Layer")) {
        if (msLoadMapContextLayer(map, psLayer, nVersion, filename,
                                  unique_layer_names) == MS_FAILURE) {
          CPLDestroyXMLNode(psRoot);
          return MS_FAILURE;
        }
      } /* end Layer parsing */
    }   /* for */
  }

  CPLDestroyXMLNode(psRoot);

  return MS_SUCCESS;

#else
  msSetError(MS_MAPCONTEXTERR,
             "Not implemented since Map Context is not enabled.",
             "msGetMapContext()");
  return MS_FAILURE;
#endif
}

/* msSaveMapContext()
**
** Save a mapfile into the OGC Web Map Context format
**
** Take a map object and a file in arguments
*/
int msSaveMapContext(mapObj *map, char *filename) {
#if defined(USE_WMS_LYR)
  FILE *stream;
  char szPath[MS_MAXPATHLEN];
  int nStatus;

  /* open file */
  if (filename != NULL && strlen(filename) > 0) {
    stream = fopen(msBuildPath(szPath, map->mappath, filename), "wb");
    if (!stream) {
      msSetError(MS_IOERR, "(%s)", "msSaveMapContext()", filename);
      return (MS_FAILURE);
    }
  } else {
    msSetError(MS_IOERR, "Filename is undefined.", "msSaveMapContext()");
    return MS_FAILURE;
  }

  nStatus = msWriteMapContext(map, stream);

  fclose(stream);

  return nStatus;
#else
  msSetError(MS_MAPCONTEXTERR,
             "Not implemented since Map Context is not enabled.",
             "msSaveMapContext()");
  return MS_FAILURE;
#endif
}

int msWriteMapContext(mapObj *map, FILE *stream) {
#if defined(USE_WMS_LYR)
  const char *version;
  char *pszEPSG;
  char *tabspace = NULL, *pszChar, *pszSLD = NULL, *pszSLD2 = NULL;
  char *pszStyleItem, *pszSLDBody;
  char *pszEncodedVal;
  int i, nValue, nVersion = OWS_VERSION_NOTSET;
  /* Dimension element */
  char *pszDimension;
  const char *pszDimUserValue = NULL, *pszDimUnits = NULL,
             *pszDimDefault = NULL;
  const char *pszDimNearValue = NULL, *pszDimUnitSymbol = NULL;
  const char *pszDimMultiValue = NULL;
  int bDimensionList = 0;

  /* Decide which version we're going to return... */
  version = msLookupHashTable(&(map->web.metadata), "wms_context_version");
  if (version == NULL)
    version = "1.1.0";

  nVersion = msOWSParseVersionString(version);
  if (nVersion == OWS_VERSION_BADFORMAT)
    return MS_FAILURE; /* msSetError() already called. */

  /* Make sure this is a supported version */
  /* Note that we don't write 0.1.2 even if we read it. */
  switch (nVersion) {
  case OWS_0_1_4:
  case OWS_0_1_7:
  case OWS_1_0_0:
  case OWS_1_1_0:
    /* All is good, this is a supported version. */
    break;
  default:
    /* Not a supported version */
    msSetError(MS_MAPCONTEXTERR,
               "This version of Map Context is not supported (%s).",
               "msSaveMapContext()", version);
    return MS_FAILURE;
  }

  /* file header */
  msIO_fprintf(stream,
               "<?xml version='1.0' encoding=\"UTF-8\" standalone=\"no\" ?>\n");

  /* set the WMS_Viewer_Context information */
  pszEncodedVal = msEncodeHTMLEntities(version);
  if (nVersion >= OWS_1_0_0) {
    msIO_fprintf(stream, "<ViewContext version=\"%s\"", pszEncodedVal);
  } else if (nVersion >= OWS_0_1_7) {
    msIO_fprintf(stream, "<View_Context version=\"%s\"", pszEncodedVal);

  } else { /* 0.1.4 */
    msIO_fprintf(stream, "<WMS_Viewer_Context version=\"%s\"", pszEncodedVal);
  }
  msFree(pszEncodedVal);

  if (nVersion >= OWS_0_1_7 && nVersion < OWS_1_0_0) {
    msOWSPrintEncodeMetadata(stream, &(map->web.metadata), NULL,
                             "wms_context_fid", OWS_NOERR, " fid=\"%s\"", "0");
  }
  if (nVersion >= OWS_1_0_0)
    msOWSPrintEncodeParam(stream, "MAP.NAME", map->name, OWS_NOERR,
                          " id=\"%s\"", NULL);

  msIO_fprintf(stream,
               " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"");
  msIO_fprintf(stream, " xmlns:ogc=\"http://www.opengis.net/ogc\"");

  if (nVersion >= OWS_0_1_7 && nVersion < OWS_1_0_0) {
    msIO_fprintf(stream, " xmlns:gml=\"http://www.opengis.net/gml\"");
  }
  if (nVersion >= OWS_1_0_0) {
    msIO_fprintf(stream, " xmlns:xlink=\"http://www.w3.org/1999/xlink\"");
    msIO_fprintf(stream, " xmlns=\"http://www.opengis.net/context\"");
    msIO_fprintf(stream, " xmlns:sld=\"http://www.opengis.net/sld\"");
    pszEncodedVal = msEncodeHTMLEntities(msOWSGetSchemasLocation(map));
    if (nVersion >= OWS_1_1_0)
      msIO_fprintf(stream,
                   " xsi:schemaLocation=\"http://www.opengis.net/context "
                   "%s/context/1.1.0/context.xsd\">\n",
                   pszEncodedVal);
    else
      msIO_fprintf(stream,
                   " xsi:schemaLocation=\"http://www.opengis.net/context "
                   "%s/context/1.0.0/context.xsd\">\n",
                   pszEncodedVal);
    msFree(pszEncodedVal);
  } else {
    msIO_fprintf(stream, " xmlns:xlink=\"http://www.w3.org/TR/xlink\"");

    pszEncodedVal = msEncodeHTMLEntities(msOWSGetSchemasLocation(map));
    msIO_fprintf(stream, " xsi:noNamespaceSchemaLocation=\"%s/contexts/",
                 pszEncodedVal);
    msFree(pszEncodedVal);
    pszEncodedVal = msEncodeHTMLEntities(msOWSGetSchemasLocation(map));
    msIO_fprintf(stream, "%s/context.xsd\">\n", pszEncodedVal);
    msFree(pszEncodedVal);
  }

  /* set the General information */
  msIO_fprintf(stream, "  <General>\n");

  /* Window */
  if (map->width != -1 || map->height != -1)
    msIO_fprintf(stream, "    <Window width=\"%d\" height=\"%d\"/>\n",
                 map->width, map->height);

  /* Bounding box corners and spatial reference system */
  if (tabspace)
    free(tabspace);
  tabspace = msStrdup("    ");
  msOWSGetEPSGProj(&(map->projection), &(map->web.metadata), "MO", MS_TRUE,
                   &pszEPSG);
  msIO_fprintf(stream,
               "%s<!-- Bounding box corners and spatial reference system -->\n",
               tabspace);
  if (!pszEPSG || (strcasecmp(pszEPSG, "(null)") == 0))
    msIO_fprintf(stream, "<!-- WARNING: Mandatory data 'projection' was "
                         "missing in this context. -->\n");

  pszEncodedVal = msEncodeHTMLEntities(pszEPSG);
  msIO_fprintf(stream,
               "%s<BoundingBox SRS=\"%s\" minx=\"%f\" miny=\"%f\" maxx=\"%f\" "
               "maxy=\"%f\"/>\n",
               tabspace, pszEncodedVal, map->extent.minx, map->extent.miny,
               map->extent.maxx, map->extent.maxy);
  msFree(pszEncodedVal);
  msFree(pszEPSG);

  /* Title, name */
  if (nVersion >= OWS_0_1_7 && nVersion < OWS_1_0_0) {
    msOWSPrintEncodeParam(stream, "MAP.NAME", map->name, OWS_NOERR,
                          "    <gml:name>%s</gml:name>\n", NULL);
  } else {
    if (nVersion < OWS_0_1_7)
      msOWSPrintEncodeParam(stream, "MAP.NAME", map->name, OWS_NOERR,
                            "    <Name>%s</Name>\n", NULL);

    msIO_fprintf(stream, "%s<!-- Title of Context -->\n", tabspace);
    msOWSPrintEncodeMetadata(stream, &(map->web.metadata), NULL, "wms_title",
                             OWS_WARN, "    <Title>%s</Title>\n", map->name);
  }

  /* keyword */
  if (nVersion >= OWS_1_0_0) {
    if (msLookupHashTable(&(map->web.metadata), "wms_keywordlist") != NULL) {
      char **papszKeywords;
      int nKeywords, iKey;

      const char *pszValue =
          msLookupHashTable(&(map->web.metadata), "wms_keywordlist");
      papszKeywords = msStringSplit(pszValue, ',', &nKeywords);
      if (nKeywords > 0 && papszKeywords) {
        msIO_fprintf(stream, "    <KeywordList>\n");
        for (iKey = 0; iKey < nKeywords; iKey++) {
          pszEncodedVal = msEncodeHTMLEntities(papszKeywords[iKey]);
          msIO_fprintf(stream, "      <Keyword>%s</Keyword>\n", pszEncodedVal);
          msFree(pszEncodedVal);
        }
        msIO_fprintf(stream, "    </KeywordList>\n");
      }
    }
  } else
    msOWSPrintEncodeMetadataList(stream, &(map->web.metadata), NULL,
                                 "wms_keywordlist", "    <Keywords>\n",
                                 "    </Keywords>\n", "      %s\n", NULL);

  /* abstract */
  if (nVersion >= OWS_0_1_7 && nVersion < OWS_1_0_0) {
    msOWSPrintEncodeMetadata(
        stream, &(map->web.metadata), NULL, "wms_abstract", OWS_NOERR,
        "    <gml:description>%s</gml:description>\n", NULL);
  } else {
    msOWSPrintEncodeMetadata(stream, &(map->web.metadata), NULL, "wms_abstract",
                             OWS_NOERR, "    <Abstract>%s</Abstract>\n", NULL);
  }

  /* LogoURL */
  /* The LogoURL have a width, height, format and an URL */
  msOWSPrintURLType(
      stream, &(map->web.metadata), "MO", "logourl", OWS_NOERR, NULL, "LogoURL",
      NULL, " width=\"%s\"", " height=\"%s\"", " format=\"%s\"",
      "      <OnlineResource xlink:type=\"simple\" xlink:href=\"%s\"/>\n",
      MS_FALSE, MS_FALSE, MS_FALSE, MS_FALSE, MS_TRUE, NULL, NULL, NULL, NULL,
      NULL, "    ");

  /* DataURL */
  msOWSPrintEncodeMetadata(
      stream, &(map->web.metadata), NULL, "wms_dataurl", OWS_NOERR,
      "    <DataURL>\n      <OnlineResource xlink:type=\"simple\" "
      "xlink:href=\"%s\"/>\n    </DataURL>\n",
      NULL);

  /* DescriptionURL */
  /* The DescriptionURL have a width, height, format and an URL */
  /* The metadata is structured like this: "width height format url" */
  msOWSPrintURLType(
      stream, &(map->web.metadata), "MO", "descriptionurl", OWS_NOERR, NULL,
      "DescriptionURL", NULL, " width=\"%s\"", " height=\"%s\"",
      " format=\"%s\"",
      "      <OnlineResource xlink:type=\"simple\" xlink:href=\"%s\"/>\n",
      MS_FALSE, MS_FALSE, MS_FALSE, MS_FALSE, MS_TRUE, NULL, NULL, NULL, NULL,
      NULL, "    ");

  /* Contact Info */
  msOWSPrintContactInfo(stream, tabspace, OWS_1_1_0, &(map->web.metadata),
                        "MO");

  /* Close General */
  msIO_fprintf(stream, "  </General>\n");
  free(tabspace);

  /* Set the layer list */
  msIO_fprintf(stream, "  <LayerList>\n");

  /* Loop on all layer   */
  for (i = 0; i < map->numlayers; i++) {
    if (GET_LAYER(map, i)->status != MS_DELETE &&
        GET_LAYER(map, i)->connectiontype == MS_WMS) {
      const char *pszValue;
      char *pszValueMod;
      const char *pszCurrent;
      if (GET_LAYER(map, i)->status == MS_OFF)
        nValue = 1;
      else
        nValue = 0;
      msIO_fprintf(stream, "    <Layer queryable=\"%d\" hidden=\"%d\">\n",
                   msIsLayerQueryable(GET_LAYER(map, i)), nValue);

      /*  */
      /* Server definition */
      /*  */
      if (nVersion < OWS_1_0_0)
        msOWSPrintEncodeMetadata(
            stream, &(GET_LAYER(map, i)->metadata), NULL, "wms_server_version",
            OWS_WARN, "      <Server service=\"WMS\" version=\"%s\" ", "1.0.0");
      else
        msOWSPrintEncodeMetadata(
            stream, &(GET_LAYER(map, i)->metadata), NULL, "wms_server_version",
            OWS_WARN, "      <Server service=\"OGC:WMS\" version=\"%s\" ",
            "1.0.0");

      if (msOWSLookupMetadata(&(GET_LAYER(map, i)->metadata), "MO",
                              "server_title"))
        msOWSPrintEncodeMetadata(stream, &(GET_LAYER(map, i)->metadata), NULL,
                                 "wms_server_title", OWS_NOERR,
                                 "title=\"%s\">\n", "");

      else if (GET_LAYER(map, i)->name)
        msOWSPrintEncodeMetadata(stream, &(GET_LAYER(map, i)->metadata), NULL,
                                 "wms_title", OWS_NOERR, "title=\"%s\">\n",
                                 GET_LAYER(map, i)->name);
      else {
        msOWSPrintEncodeMetadata(stream, &(GET_LAYER(map, i)->metadata), NULL,
                                 "wms_title", OWS_NOERR, "title=\"%s\">\n", "");
      }

      /* Get base url of the online resource to be the default value */
      if (GET_LAYER(map, i)->connection)
        pszValueMod = msStrdup(GET_LAYER(map, i)->connection);
      else
        pszValueMod = msStrdup("");
      pszChar = strchr(pszValueMod, '?');
      if (pszChar)
        pszValueMod[pszChar - pszValueMod] = '\0';
      if (msOWSPrintEncodeMetadata(
              stream, &(GET_LAYER(map, i)->metadata), NULL,
              "wms_onlineresource", OWS_WARN,
              "        <OnlineResource xlink:type=\"simple\" "
              "xlink:href=\"%s\"/>\n",
              pszValueMod) == OWS_WARN)
        msIO_fprintf(stream, "<!-- wms_onlineresource not set, using base URL"
                             " , but probably not what you want -->\n");
      msIO_fprintf(stream, "      </Server>\n");
      if (pszValueMod)
        free(pszValueMod);

      /*  */
      /* Layer information */
      /*  */
      msOWSPrintEncodeMetadata(stream, &(GET_LAYER(map, i)->metadata), NULL,
                               "wms_name", OWS_WARN, "      <Name>%s</Name>\n",
                               GET_LAYER(map, i)->name);
      msOWSPrintEncodeMetadata(
          stream, &(GET_LAYER(map, i)->metadata), NULL, "wms_title", OWS_WARN,
          "      <Title>%s</Title>\n", GET_LAYER(map, i)->name);
      msOWSPrintEncodeMetadata(stream, &(GET_LAYER(map, i)->metadata), NULL,
                               "wms_abstract", OWS_NOERR,
                               "      <Abstract>%s</Abstract>\n", NULL);

      /* DataURL */
      if (nVersion <= OWS_0_1_4) {
        msOWSPrintEncodeMetadata(stream, &(GET_LAYER(map, i)->metadata), NULL,
                                 "wms_dataurl", OWS_NOERR,
                                 "      <DataURL>%s</DataURL>\n", NULL);
      } else {
        /* The DataURL have a width, height, format and an URL */
        /* The metadata will be structured like this:  */
        /* "width height format url" */
        /* Note: in version 0.1.7 the width and height are not included  */
        /* in the Context file, but they are included in the metadata for */
        /* for consistency with the URLType. */
        msOWSPrintURLType(stream, &(GET_LAYER(map, i)->metadata), "MO",
                          "dataurl", OWS_NOERR, NULL, "DataURL", NULL,
                          " width=\"%s\"", " height=\"%s\"", " format=\"%s\"",
                          "        <OnlineResource xlink:type=\"simple\""
                          " xlink:href=\"%s\"/>\n",
                          MS_FALSE, MS_FALSE, MS_FALSE, MS_FALSE, MS_TRUE, NULL,
                          NULL, NULL, NULL, NULL, "      ");
      }

      /* MetadataURL */
      /* The MetadataURL have a width, height, format and an URL */
      /* The metadata will be structured like this:  */
      /* "width height format url" */
      msOWSPrintURLType(stream, &(GET_LAYER(map, i)->metadata), "MO",
                        "metadataurl", OWS_NOERR, NULL, "MetadataURL", NULL,
                        " width=\"%s\"", " height=\"%s\"", " format=\"%s\"",
                        "        <OnlineResource xlink:type=\"simple\""
                        " xlink:href=\"%s\"/>\n",
                        MS_FALSE, MS_FALSE, MS_FALSE, MS_FALSE, MS_TRUE, NULL,
                        NULL, NULL, NULL, NULL, "      ");

      /* MinScale && MaxScale */
      if (nVersion >= OWS_1_1_0 && GET_LAYER(map, i)->minscaledenom > 0)
        msIO_fprintf(
            stream,
            "      <sld:MinScaleDenominator>%g</sld:MinScaleDenominator>\n",
            GET_LAYER(map, i)->minscaledenom);
      if (nVersion >= OWS_1_1_0 && GET_LAYER(map, i)->maxscaledenom > 0)
        msIO_fprintf(
            stream,
            "      <sld:MaxScaleDenominator>%g</sld:MaxScaleDenominator>\n",
            GET_LAYER(map, i)->maxscaledenom);

      /* Layer SRS */
      msOWSGetEPSGProj(&(GET_LAYER(map, i)->projection),
                       &(GET_LAYER(map, i)->metadata), "MO", MS_FALSE,
                       &pszEPSG);
      if (pszEPSG && (strcasecmp(pszEPSG, "(null)") != 0)) {
        pszEncodedVal = msEncodeHTMLEntities(pszEPSG);
        msIO_fprintf(stream, "      <SRS>%s</SRS>\n", pszEncodedVal);
        msFree(pszEncodedVal);
      }
      msFree(pszEPSG);

      /* Format */
      if (msLookupHashTable(&(GET_LAYER(map, i)->metadata), "wms_formatlist") ==
              NULL &&
          msLookupHashTable(&(GET_LAYER(map, i)->metadata), "wms_format") ==
              NULL) {
        char *pszURL;
        if (GET_LAYER(map, i)->connection)
          pszURL = msStrdup(GET_LAYER(map, i)->connection);
        else
          pszURL = msStrdup("");

        pszValueMod = strstr(pszURL, "FORMAT=");
        if (pszValueMod) {
          pszValueMod += 7;
          pszChar = strchr(pszValueMod, '&');
          if (pszChar)
            pszValueMod[pszChar - pszValueMod] = '\0';
          if (strcasecmp(pszValueMod, "") != 0) {
            pszEncodedVal = msEncodeHTMLEntities(pszValueMod);
            msIO_fprintf(stream, "      <FormatList>\n");
            msIO_fprintf(stream, "        <Format>%s</Format>\n", pszValueMod);
            msIO_fprintf(stream, "      </FormatList>\n");
            msFree(pszEncodedVal);
          }
        }
        free(pszURL);
      } else {
        char **papszFormats;
        int numFormats, nForm;

        pszValue =
            msLookupHashTable(&(GET_LAYER(map, i)->metadata), "wms_formatlist");
        if (!pszValue)
          pszValue =
              msLookupHashTable(&(GET_LAYER(map, i)->metadata), "wms_format");
        pszCurrent =
            msLookupHashTable(&(GET_LAYER(map, i)->metadata), "wms_format");

        papszFormats = msStringSplit(pszValue, ',', &numFormats);
        if (numFormats > 0 && papszFormats) {
          msIO_fprintf(stream, "      <FormatList>\n");
          for (nForm = 0; nForm < numFormats; nForm++) {
            pszEncodedVal = msEncodeHTMLEntities(papszFormats[nForm]);
            if (pszCurrent &&
                (strcasecmp(papszFormats[nForm], pszCurrent) == 0))
              msIO_fprintf(stream,
                           "        <Format current=\"1\">%s</Format>\n",
                           pszEncodedVal);
            else
              msIO_fprintf(stream, "        <Format>%s</Format>\n",
                           pszEncodedVal);
            msFree(pszEncodedVal);
          }
          msIO_fprintf(stream, "      </FormatList>\n");
        }
        if (papszFormats)
          msFreeCharArray(papszFormats, numFormats);
      }
      /* Style */
      /* First check the stylelist */
      pszValue =
          msLookupHashTable(&(GET_LAYER(map, i)->metadata), "wms_stylelist");
      while (pszValue && *pszValue == ' ')
        pszValue++;
      if (pszValue == NULL || strlen(pszValue) < 1) {
        /* Check if the style is in the connection URL */
        char *pszURL;
        if (GET_LAYER(map, i)->connection)
          pszURL = msStrdup(GET_LAYER(map, i)->connection);
        else
          pszURL = msStrdup("");

        /* Grab the STYLES in the URL */
        pszValueMod = strstr(pszURL, "STYLES=");
        if (pszValueMod) {
          pszValueMod += 7;
          pszChar = strchr(pszValueMod, '&');
          if (pszChar)
            pszValueMod[pszChar - pszValueMod] = '\0';

          /* Check the SLD string from the URL */
          if (GET_LAYER(map, i)->connection)
            pszSLD2 = msStrdup(GET_LAYER(map, i)->connection);
          else
            pszSLD2 = msStrdup("");
          if (pszSLD2) {
            pszSLD = strstr(pszSLD2, "SLD=");
            pszSLDBody = strstr(pszSLD2, "SLD_BODY=");
          } else {
            pszSLD = NULL;
            pszSLDBody = NULL;
          }
          /* Check SLD */
          if (pszSLD) {
            pszChar = strchr(pszSLD, '&');
            if (pszChar)
              pszSLD[pszChar - pszSLD] = '\0';
            pszSLD += 4;
          }
          /* Check SLDBody  */
          if (pszSLDBody) {
            pszChar = strchr(pszSLDBody, '&');
            if (pszChar)
              pszSLDBody[pszChar - pszSLDBody] = '\0';
            pszSLDBody += 9;
          }
          if ((pszValueMod && (strcasecmp(pszValueMod, "") != 0)) ||
              (pszSLD && (strcasecmp(pszSLD, "") != 0)) ||
              (pszSLDBody && (strcasecmp(pszSLDBody, "") != 0))) {
            /* Write Name and Title */
            msIO_fprintf(stream, "      <StyleList>\n");
            msIO_fprintf(stream, "        <Style current=\"1\">\n");
            if (pszValueMod && (strcasecmp(pszValueMod, "") != 0)) {
              pszEncodedVal = msEncodeHTMLEntities(pszValueMod);
              msIO_fprintf(stream, "          <Name>%s</Name>\n",
                           pszEncodedVal);
              msIO_fprintf(stream, "          <Title>%s</Title>\n",
                           pszEncodedVal);
              msFree(pszEncodedVal);
            }
            /* Write the SLD string from the URL */
            if (pszSLD && (strcasecmp(pszSLD, "") != 0)) {
              pszEncodedVal = msEncodeHTMLEntities(pszSLD);
              msIO_fprintf(stream, "          <SLD>\n");
              msIO_fprintf(
                  stream, "            <OnlineResource xlink:type=\"simple\" ");
              msIO_fprintf(stream, "xlink:href=\"%s\"/>", pszEncodedVal);
              msIO_fprintf(stream, "          </SLD>\n");
              free(pszEncodedVal);
            } else if (pszSLDBody && (strcasecmp(pszSLDBody, "") != 0)) {
              msIO_fprintf(stream, "          <SLD>\n");
              msIO_fprintf(stream, "            %s\n", pszSLDBody);
              msIO_fprintf(stream, "          </SLD>\n");
            }
            msIO_fprintf(stream, "        </Style>\n");
            msIO_fprintf(stream, "      </StyleList>\n");
          }
          if (pszSLD2) {
            free(pszSLD2);
            pszSLD2 = NULL;
          }
        }
        free(pszURL);
      } else {
        const char *pszCurrent;
        /* If the style information is not in the connection URL, */
        /* read the metadata. */
        pszValue =
            msLookupHashTable(&(GET_LAYER(map, i)->metadata), "wms_stylelist");
        pszCurrent =
            msLookupHashTable(&(GET_LAYER(map, i)->metadata), "wms_style");
        msIO_fprintf(stream, "      <StyleList>\n");
        /* Loop in each style in the style list */
        while (pszValue != NULL) {
          char *pszStyle = msStrdup(pszValue);
          pszChar = strchr(pszStyle, ',');
          if (pszChar != NULL)
            pszStyle[pszChar - pszStyle] = '\0';
          if (pszStyle[0] == '\0') {
            msFree(pszStyle);
            continue;
          }

          if (pszCurrent && (strcasecmp(pszStyle, pszCurrent) == 0))
            msIO_fprintf(stream, "        <Style current=\"1\">\n");
          else
            msIO_fprintf(stream, "        <Style>\n");

          /* Write SLDURL if it is in the metadata */
          pszStyleItem = (char *)malloc(strlen(pszStyle) + 10 + 10);
          sprintf(pszStyleItem, "wms_style_%s_sld", pszStyle);
          if (msLookupHashTable(&(GET_LAYER(map, i)->metadata), pszStyleItem) !=
              NULL) {
            msIO_fprintf(stream, "          <SLD>\n");
            msOWSPrintEncodeMetadata(
                stream, &(GET_LAYER(map, i)->metadata), NULL, pszStyleItem,
                OWS_NOERR,
                "            <OnlineResource xlink:type=\"simple\" "
                "xlink:href=\"%s\"/>\n",
                NULL);
            msIO_fprintf(stream, "          </SLD>\n");
            free(pszStyleItem);
          } else {
            /* If the URL is not there, check for SLDBody */
            sprintf(pszStyleItem, "wms_style_%s_sld_body", pszStyle);
            if (msLookupHashTable(&(GET_LAYER(map, i)->metadata),
                                  pszStyleItem) != NULL) {
              msIO_fprintf(stream, "          <SLD>\n");
              msOWSPrintMetadata(stream, &(GET_LAYER(map, i)->metadata), NULL,
                                 pszStyleItem, OWS_NOERR, "            %s\n",
                                 NULL);
              msIO_fprintf(stream, "          </SLD>\n");
              free(pszStyleItem);
            } else {
              /* If the SLD is not specified, then write the */
              /* name, Title and LegendURL */
              free(pszStyleItem);
              /* Name */
              pszEncodedVal = msEncodeHTMLEntities(pszStyle);
              msIO_fprintf(stream, "          <Name>%s</Name>\n",
                           pszEncodedVal);
              msFree(pszEncodedVal);
              pszStyleItem = (char *)malloc(strlen(pszStyle) + 10 + 8);
              sprintf(pszStyleItem, "wms_style_%s_title", pszStyle);
              /* Title */
              msOWSPrintEncodeMetadata(stream, &(GET_LAYER(map, i)->metadata),
                                       NULL, pszStyleItem, OWS_NOERR,
                                       "          <Title>%s</Title>\n", NULL);
              free(pszStyleItem);

              /* LegendURL */
              pszStyleItem = (char *)malloc(strlen(pszStyle) + 10 + 20);
              sprintf(pszStyleItem, "style_%s_legendurl", pszStyle);
              msOWSPrintURLType(stream, &(GET_LAYER(map, i)->metadata), "M",
                                pszStyleItem, OWS_NOERR, NULL, "LegendURL",
                                NULL, " width=\"%s\"", " height=\"%s\"",
                                " format=\"%s\"",
                                "            <OnlineResource "
                                "xlink:type=\"simple\""
                                " xlink:href=\"%s\"/>\n          ",
                                MS_FALSE, MS_FALSE, MS_FALSE, MS_FALSE, MS_TRUE,
                                NULL, NULL, NULL, NULL, NULL, "          ");
              free(pszStyleItem);
            }
          }

          msIO_fprintf(stream, "        </Style>\n");

          msFree(pszStyle);
          pszValue = strchr(pszValue, ',');
          if (pszValue)
            pszValue++;
        }
        msIO_fprintf(stream, "      </StyleList>\n");
      }

      /* Dimension element */;
      pszCurrent = NULL;

      pszValue = msLookupHashTable(&(GET_LAYER(map, i)->metadata),
                                   "wms_dimensionlist");
      pszCurrent =
          msLookupHashTable(&(GET_LAYER(map, i)->metadata), "wms_dimension");
      while (pszValue != NULL) {
        /* Extract the dimension name from the list */
        pszDimension = msStrdup(pszValue);
        pszChar = strchr(pszDimension, ',');
        if (pszChar != NULL)
          pszDimension[pszChar - pszDimension] = '\0';
        if (strcasecmp(pszDimension, "") == 0) {
          free(pszDimension);
          pszValue = strchr(pszValue, ',');
          if (pszValue)
            pszValue++;
          continue;
        }

        /* From the dimension list, extract the required dimension */
        msOWSGetDimensionInfo(GET_LAYER(map, i), pszDimension, &pszDimUserValue,
                              &pszDimUnits, &pszDimDefault, &pszDimNearValue,
                              &pszDimUnitSymbol, &pszDimMultiValue);

        if (pszDimUserValue == NULL || pszDimUnits == NULL ||
            pszDimUnitSymbol == NULL) {
          free(pszDimension);
          pszValue = strchr(pszValue, ',');
          if (pszValue)
            pszValue++;
          continue;
        }

        if (!bDimensionList) {
          bDimensionList = 1;
          msIO_fprintf(stream, "      <DimensionList>\n");
        }

        /* name */
        msIO_fprintf(stream, "        <Dimension name=\"%s\"", pszDimension);
        /* units */
        msIO_fprintf(stream, " units=\"%s\"", pszDimUnits);
        /* unitSymbol */
        msIO_fprintf(stream, " unitSymbol=\"%s\"", pszDimUnitSymbol);
        /* userValue */
        msIO_fprintf(stream, " userValue=\"%s\"", pszDimUserValue);
        /* default */
        if (pszDimDefault)
          msIO_fprintf(stream, " default=\"%s\"", pszDimDefault);
        /* multipleValues */
        if (pszDimMultiValue)
          msIO_fprintf(stream, " multipleValues=\"%s\"", pszDimMultiValue);
        /* nearestValue */
        if (pszDimNearValue)
          msIO_fprintf(stream, " nearestValue=\"%s\"", pszDimNearValue);

        if (pszCurrent && strcasecmp(pszDimension, pszCurrent) == 0)
          msIO_fprintf(stream, " current=\"1\"");

        msIO_fprintf(stream, "/>\n");

        free(pszDimension);
        pszValue = strchr(pszValue, ',');
        if (pszValue)
          pszValue++;
      }

      if (bDimensionList) {
        msIO_fprintf(stream, "      </DimensionList>\n");
        bDimensionList = 0;
      }

      msIO_fprintf(stream, "    </Layer>\n");
    }
  }

  /* Close layer list */
  msIO_fprintf(stream, "  </LayerList>\n");
  /* Close Map Context */

  if (nVersion >= OWS_1_0_0) {
    msIO_fprintf(stream, "</ViewContext>\n");
  } else if (nVersion >= OWS_0_1_7) {
    msIO_fprintf(stream, "</View_Context>\n");
  } else { /* 0.1.4 */
    msIO_fprintf(stream, "</WMS_Viewer_Context>\n");
  }

  return MS_SUCCESS;
#else
  msSetError(MS_MAPCONTEXTERR,
             "Not implemented since Map Context is not enabled.",
             "msWriteMapContext()");
  return MS_FAILURE;
#endif
}
