CPLString WFS_TurnSQLFilterToOGCFilter( const swq_expr_node* poExpr,
OGRDataSource* poDS,
OGRFeatureDefn* poFDefn,
int nVersion,
int bPropertyIsNotEqualToSupported,
int bUseFeatureId,
int bGmlObjectIdNeedsGMLPrefix,
const char* pszNSPrefix,
int* pbOutNeedsNullCheck )
{
CPLString osFilter;
/* If the filter is only made of querying one or several gml_id */
/* (with OR operator), we turn this to <GmlObjectId> list */
if (!WFS_ExprDumpGmlObjectIdFilter(osFilter, poExpr, bUseFeatureId,
bGmlObjectIdNeedsGMLPrefix, nVersion))
{
ExprDumpFilterOptions sOptions;
sOptions.nVersion = nVersion;
sOptions.bPropertyIsNotEqualToSupported = bPropertyIsNotEqualToSupported;
sOptions.bOutNeedsNullCheck = FALSE;
sOptions.poDS = poDS;
sOptions.poFDefn = poFDefn;
sOptions.nUniqueGeomGMLId = 1;
sOptions.poSRS = NULL;
sOptions.pszNSPrefix = pszNSPrefix;
osFilter = "";
if (!WFS_ExprDumpAsOGCFilter(osFilter, poExpr, TRUE, &sOptions))
osFilter = "";
/*else
CPLDebug("WFS", "Filter %s", osFilter.c_str());*/
*pbOutNeedsNullCheck = sOptions.bOutNeedsNullCheck;
}
return osFilter;
}
CPLString WFS_TurnSQLFilterToOGCFilter( const char * pszFilter,
OGRFeatureDefn* poFDefn,
int nVersion,
int bPropertyIsNotEqualToSupported,
int bUseFeatureId,
int bGmlObjectIdNeedsGMLPrefix,
int* pbOutNeedsNullCheck )
{
char** papszTokens = WFS_ExprTokenize(pszFilter);
if (papszTokens == NULL)
return "";
char** papszTokens2 = papszTokens;
ExprBuildContext sBuildContext;
sBuildContext.bExpectVarName = TRUE;
sBuildContext.bExpectComparisonOperator = FALSE;
sBuildContext.bExpectLogicalOperator = FALSE;
sBuildContext.bExpectValue = FALSE;
sBuildContext.nParenthesisLevel = 0;
Expr* expr = WFS_ExprBuildInternal(&papszTokens2, &sBuildContext);
CSLDestroy(papszTokens);
if (expr == NULL)
return "";
CPLString osFilter;
/* If the filter is only made of querying one or several gml_id */
/* (with OR operator), we turn this to <GmlObjectId> list */
if (!WFS_ExprDumpGmlObjectIdFilter(osFilter, expr, bUseFeatureId,
bGmlObjectIdNeedsGMLPrefix, nVersion))
{
ExprDumpFilterOptions sOptions;
sOptions.nVersion = nVersion;
sOptions.bPropertyIsNotEqualToSupported = bPropertyIsNotEqualToSupported;
sOptions.bOutNeedsNullCheck = FALSE;
sOptions.poFDefn = poFDefn;
osFilter = "";
if (!WFS_ExprDumpAsOGCFilter(osFilter, expr, TRUE, &sOptions))
osFilter = "";
*pbOutNeedsNullCheck = sOptions.bOutNeedsNullCheck;
}
WFS_ExprFree(expr);
return osFilter;
}
static int WFS_ExprDumpAsOGCFilter(CPLString& osFilter,
const swq_expr_node* poExpr,
int bExpectBinary,
ExprDumpFilterOptions* psOptions)
{
if( poExpr->eNodeType == SNT_COLUMN )
{
if (bExpectBinary)
return FALSE;
/* Special fields not understood by server */
if (EQUAL(poExpr->string_value, "gml_id") ||
EQUAL(poExpr->string_value, "FID") ||
EQUAL(poExpr->string_value, "OGR_GEOMETRY") ||
EQUAL(poExpr->string_value, "OGR_GEOM_WKT") ||
EQUAL(poExpr->string_value, "OGR_GEOM_AREA") ||
EQUAL(poExpr->string_value, "OGR_STYLE"))
{
CPLDebug("WFS", "Attribute refers to a OGR special field. Cannot use server-side filtering");
return FALSE;
}
const char* pszFieldname = NULL;
int nIndex;
int bSameTable = psOptions->poFDefn != NULL &&
( poExpr->table_name == NULL ||
EQUAL(poExpr->table_name, psOptions->poFDefn->GetName()) );
if( bSameTable )
{
if( (nIndex = psOptions->poFDefn->GetFieldIndex(poExpr->string_value)) >= 0 )
{
pszFieldname = psOptions->poFDefn->GetFieldDefn(nIndex)->GetNameRef();
}
else if( (nIndex = psOptions->poFDefn->GetGeomFieldIndex(poExpr->string_value)) >= 0 )
{
pszFieldname = psOptions->poFDefn->GetGeomFieldDefn(nIndex)->GetNameRef();
}
}
else if( psOptions->poDS != NULL )
{
OGRLayer* poLayer = psOptions->poDS->GetLayerByName(poExpr->table_name);
if( poLayer )
{
OGRFeatureDefn* poFDefn = poLayer->GetLayerDefn();
if( (nIndex = poFDefn->GetFieldIndex(poExpr->string_value)) >= 0 )
{
pszFieldname = CPLSPrintf("%s/%s",
poLayer->GetName(),
poFDefn->GetFieldDefn(nIndex)->GetNameRef());
}
else if( (nIndex = poFDefn->GetGeomFieldIndex(poExpr->string_value)) >= 0 )
{
pszFieldname = CPLSPrintf("%s/%s",
poLayer->GetName(),
poFDefn->GetGeomFieldDefn(nIndex)->GetNameRef());
}
}
}
if( psOptions->poFDefn == NULL && psOptions->poDS == NULL )
pszFieldname = poExpr->string_value;
if( pszFieldname == NULL )
{
if( poExpr->table_name != NULL )
CPLDebug("WFS", "Field \"%s\".\"%s\" unknown. Cannot use server-side filtering",
poExpr->table_name, poExpr->string_value);
else
CPLDebug("WFS", "Field \"%s\" unknown. Cannot use server-side filtering",
poExpr->string_value);
return FALSE;
}
if (psOptions->nVersion >= 200)
osFilter += CPLSPrintf("<%sValueReference>", psOptions->pszNSPrefix);
else
osFilter += CPLSPrintf("<%sPropertyName>", psOptions->pszNSPrefix);
char* pszFieldnameXML = CPLEscapeString(pszFieldname, -1, CPLES_XML);
osFilter += pszFieldnameXML;
CPLFree(pszFieldnameXML);
if (psOptions->nVersion >= 200)
osFilter += CPLSPrintf("</%sValueReference>", psOptions->pszNSPrefix);
else
osFilter += CPLSPrintf("</%sPropertyName>", psOptions->pszNSPrefix);
return TRUE;
}
if( poExpr->eNodeType == SNT_CONSTANT )
{
if (bExpectBinary)
return FALSE;
osFilter += CPLSPrintf("<%sLiteral>", psOptions->pszNSPrefix);
if( !WFS_ExprDumpRawLitteral(osFilter, poExpr) )
return FALSE;
osFilter += CPLSPrintf("</%sLiteral>", psOptions->pszNSPrefix);
return TRUE;
}
if( poExpr->eNodeType != SNT_OPERATION )
return FALSE; /* shouldn't happen */
if( poExpr->nOperation == SWQ_NOT )
{
osFilter += CPLSPrintf("<%sNot>", psOptions->pszNSPrefix);
if (!WFS_ExprDumpAsOGCFilter(osFilter, poExpr->papoSubExpr[0], TRUE, psOptions))
return FALSE;
osFilter += CPLSPrintf("</%sNot>", psOptions->pszNSPrefix);
return TRUE;
}
if( poExpr->nOperation == SWQ_LIKE )
{
CPLString osVal;
char ch;
char firstCh = 0;
int i;
if (psOptions->nVersion == 100)
osFilter += CPLSPrintf("<%sPropertyIsLike wildCard='*' singleChar='_' escape='!'>", psOptions->pszNSPrefix);
else
osFilter += CPLSPrintf("<%sPropertyIsLike wildCard='*' singleChar='_' escapeChar='!'>", psOptions->pszNSPrefix);
if (!WFS_ExprDumpAsOGCFilter(osFilter, poExpr->papoSubExpr[0], FALSE, psOptions))
return FALSE;
if (poExpr->papoSubExpr[1]->eNodeType != SNT_CONSTANT &&
poExpr->papoSubExpr[1]->field_type != SWQ_STRING)
return FALSE;
osFilter += CPLSPrintf("<%sLiteral>", psOptions->pszNSPrefix);
/* Escape value according to above special characters */
/* For URL compatibility reason, we remap the OGR SQL '%' wildchard into '*' */
i = 0;
ch = poExpr->papoSubExpr[1]->string_value[i];
if (ch == '\'' || ch == '"')
{
firstCh = ch;
i ++;
}
for(;(ch = poExpr->papoSubExpr[1]->string_value[i]) != '\0';i++)
{
if (ch == '%')
osVal += "*";
else if (ch == '!')
osVal += "!!";
else if (ch == '*')
osVal += "!*";
else if (ch == firstCh && poExpr->papoSubExpr[1]->string_value[i + 1] == 0)
break;
else
{
char ach[2];
ach[0] = ch;
ach[1] = 0;
osVal += ach;
}
}
char* pszXML = CPLEscapeString(osVal, -1, CPLES_XML);
osFilter += pszXML;
CPLFree(pszXML);
osFilter += CPLSPrintf("</%sLiteral>", psOptions->pszNSPrefix);
osFilter += CPLSPrintf("</%sPropertyIsLike>", psOptions->pszNSPrefix);
return TRUE;
}
if( poExpr->nOperation == SWQ_ISNULL )
{
osFilter += CPLSPrintf("<%sPropertyIsNull>", psOptions->pszNSPrefix);
if (!WFS_ExprDumpAsOGCFilter(osFilter, poExpr->papoSubExpr[0], FALSE, psOptions))
return FALSE;
osFilter += CPLSPrintf("</%sPropertyIsNull>", psOptions->pszNSPrefix);
psOptions->bOutNeedsNullCheck = TRUE;
return TRUE;
}
if( poExpr->nOperation == SWQ_EQ ||
poExpr->nOperation == SWQ_NE ||
poExpr->nOperation == SWQ_LE ||
poExpr->nOperation == SWQ_LT ||
poExpr->nOperation == SWQ_GE ||
poExpr->nOperation == SWQ_GT )
{
int nOperation = poExpr->nOperation;
int bAddClosingNot = FALSE;
if (!psOptions->bPropertyIsNotEqualToSupported && nOperation == SWQ_NE)
{
osFilter += CPLSPrintf("<%sNot>", psOptions->pszNSPrefix);
nOperation = SWQ_EQ;
bAddClosingNot = TRUE;
}
const char* pszName = NULL;
switch(nOperation)
{
case SWQ_EQ: pszName = "PropertyIsEqualTo"; break;
case SWQ_NE: pszName = "PropertyIsNotEqualTo"; break;
case SWQ_LE: pszName = "PropertyIsLessThanOrEqualTo"; break;
case SWQ_LT: pszName = "PropertyIsLessThan"; break;
case SWQ_GE: pszName = "PropertyIsGreaterThanOrEqualTo"; break;
case SWQ_GT: pszName = "PropertyIsGreaterThan"; break;
default: break;
}
osFilter += "<";
osFilter += psOptions->pszNSPrefix;
osFilter += pszName;
osFilter += ">";
if (!WFS_ExprDumpAsOGCFilter(osFilter, poExpr->papoSubExpr[0], FALSE, psOptions))
return FALSE;
if (!WFS_ExprDumpAsOGCFilter(osFilter, poExpr->papoSubExpr[1], FALSE, psOptions))
return FALSE;
osFilter += "</";
osFilter += psOptions->pszNSPrefix;
osFilter += pszName;
osFilter += ">";
if (bAddClosingNot)
osFilter += CPLSPrintf("</%sNot>", psOptions->pszNSPrefix);
return TRUE;
}
if( poExpr->nOperation == SWQ_AND ||
poExpr->nOperation == SWQ_OR )
{
const char* pszName = (poExpr->nOperation == SWQ_AND) ? "And" : "Or";
osFilter += "<";
osFilter += psOptions->pszNSPrefix;
osFilter += pszName;
osFilter += ">";
if (!WFS_ExprDumpAsOGCFilter(osFilter, poExpr->papoSubExpr[0], TRUE, psOptions))
return FALSE;
if (!WFS_ExprDumpAsOGCFilter(osFilter, poExpr->papoSubExpr[1], TRUE, psOptions))
return FALSE;
osFilter += "</";
osFilter += psOptions->pszNSPrefix;
osFilter += pszName;
osFilter += ">";
return TRUE;
}
if( poExpr->nOperation == SWQ_CUSTOM_FUNC &&
EQUAL(poExpr->string_value, "ST_MakeEnvelope") )
{
OGRSpatialReference oSRS;
const char* pszSRSName = WFS_ExprGetSRSName( poExpr, 4, psOptions, oSRS );
int bAxisSwap = FALSE;
osFilter += "<gml:Envelope";
if( pszSRSName )
{
osFilter += " srsName=\"";
osFilter += pszSRSName;
osFilter += "\"";
if( oSRS.EPSGTreatsAsLatLong() || oSRS.EPSGTreatsAsNorthingEasting() )
bAxisSwap = TRUE;
}
osFilter += ">";
osFilter += "<gml:lowerCorner>";
if (!WFS_ExprDumpRawLitteral(osFilter, poExpr->papoSubExpr[(bAxisSwap) ? 1 : 0]))
return FALSE;
osFilter += " ";
if (!WFS_ExprDumpRawLitteral(osFilter, poExpr->papoSubExpr[(bAxisSwap) ? 0 : 1]))
return FALSE;
osFilter += "</gml:lowerCorner>";
osFilter += "<gml:upperCorner>";
if (!WFS_ExprDumpRawLitteral(osFilter, poExpr->papoSubExpr[(bAxisSwap) ? 3 : 2]))
return FALSE;
osFilter += " ";
if (!WFS_ExprDumpRawLitteral(osFilter, poExpr->papoSubExpr[(bAxisSwap) ? 2 : 3]))
return FALSE;
osFilter += "</gml:upperCorner>";
osFilter += "</gml:Envelope>";
return TRUE;
}
if( poExpr->nOperation == SWQ_CUSTOM_FUNC &&
EQUAL(poExpr->string_value, "ST_GeomFromText") )
{
OGRSpatialReference oSRS;
const char* pszSRSName = WFS_ExprGetSRSName( poExpr, 1, psOptions, oSRS );
OGRGeometry* poGeom = NULL;
char* pszWKT = (char*)poExpr->papoSubExpr[0]->string_value;
OGRGeometryFactory::createFromWkt(&pszWKT, NULL, &poGeom);
char** papszOptions = NULL;
papszOptions = CSLSetNameValue(papszOptions, "FORMAT", "GML3");
if( pszSRSName != NULL )
{
if( oSRS.EPSGTreatsAsLatLong() || oSRS.EPSGTreatsAsNorthingEasting() )
{
OGR_SRSNode *poGEOGCS = oSRS.GetAttrNode( "GEOGCS" );
if( poGEOGCS != NULL )
poGEOGCS->StripNodes( "AXIS" );
OGR_SRSNode *poPROJCS = oSRS.GetAttrNode( "PROJCS" );
if (poPROJCS != NULL && oSRS.EPSGTreatsAsNorthingEasting())
poPROJCS->StripNodes( "AXIS" );
}
if( EQUALN(pszSRSName, "urn:ogc:def:crs:EPSG::", strlen("urn:ogc:def:crs:EPSG::")) )
papszOptions = CSLSetNameValue(papszOptions, "GML3_LONGSRS", "YES");
else
papszOptions = CSLSetNameValue(papszOptions, "GML3_LONGSRS", "NO");
poGeom->assignSpatialReference(&oSRS);
}
papszOptions = CSLSetNameValue(papszOptions, "GMLID",
CPLSPrintf("id%d", psOptions->nUniqueGeomGMLId ++));
char* pszGML = OGR_G_ExportToGMLEx( (OGRGeometryH)poGeom, papszOptions );
osFilter += pszGML;
CSLDestroy(papszOptions);
delete poGeom;
CPLFree(pszGML);
return TRUE;
}
if( poExpr->nOperation == SWQ_CUSTOM_FUNC )
{
const char* pszName =
EQUAL(poExpr->string_value, "ST_Equals") ? "Equals" :
EQUAL(poExpr->string_value, "ST_Disjoint") ? "Disjoint" :
EQUAL(poExpr->string_value, "ST_Touches") ? "Touches" :
EQUAL(poExpr->string_value, "ST_Contains") ? "Contains" :
EQUAL(poExpr->string_value, "ST_Intersects") ? "Intersects" :
EQUAL(poExpr->string_value, "ST_Within") ? "Within" :
EQUAL(poExpr->string_value, "ST_Crosses") ? "Crosses" :
EQUAL(poExpr->string_value, "ST_Overlaps") ? "Overlaps" :
EQUAL(poExpr->string_value, "ST_DWithin") ? "DWithin" :
EQUAL(poExpr->string_value, "ST_Beyond") ? "Beyond" :
NULL;
if( pszName == NULL )
return FALSE;
osFilter += "<";
osFilter += psOptions->pszNSPrefix;
osFilter += pszName;
osFilter += ">";
for(int i=0;i<2;i++)
{
if( i == 1 && poExpr->papoSubExpr[0]->eNodeType == SNT_COLUMN &&
poExpr->papoSubExpr[1]->eNodeType == SNT_OPERATION &&
poExpr->papoSubExpr[1]->nOperation == SWQ_CUSTOM_FUNC &&
(EQUAL(poExpr->papoSubExpr[1]->string_value, "ST_GeomFromText") ||
EQUAL(poExpr->papoSubExpr[1]->string_value, "ST_MakeEnvelope")) )
{
int bSameTable = psOptions->poFDefn != NULL &&
( poExpr->papoSubExpr[0]->table_name == NULL ||
EQUAL(poExpr->papoSubExpr[0]->table_name, psOptions->poFDefn->GetName()) );
if( bSameTable )
{
int nIndex;
if( (nIndex = psOptions->poFDefn->GetGeomFieldIndex(poExpr->papoSubExpr[0]->string_value)) >= 0 )
{
psOptions->poSRS = psOptions->poFDefn->GetGeomFieldDefn(nIndex)->GetSpatialRef();
}
}
else if( psOptions->poDS != NULL )
{
OGRLayer* poLayer = psOptions->poDS->GetLayerByName(poExpr->papoSubExpr[0]->table_name);
if( poLayer )
{
OGRFeatureDefn* poFDefn = poLayer->GetLayerDefn();
int nIndex;
if( (nIndex = poFDefn->GetGeomFieldIndex(poExpr->papoSubExpr[0]->string_value)) >= 0 )
{
psOptions->poSRS = poFDefn->GetGeomFieldDefn(nIndex)->GetSpatialRef();
}
}
}
}
int bRet = WFS_ExprDumpAsOGCFilter(osFilter, poExpr->papoSubExpr[i], FALSE, psOptions);
psOptions->poSRS = NULL;
if( !bRet )
return FALSE;
}
if( poExpr->nSubExprCount > 2 )
{
osFilter += CPLSPrintf("<%sDistance unit=\"m\">", psOptions->pszNSPrefix);
if (!WFS_ExprDumpRawLitteral(osFilter, poExpr->papoSubExpr[2]) )
return FALSE;
osFilter += CPLSPrintf("</%sDistance>", psOptions->pszNSPrefix);
}
osFilter += "</";
osFilter += psOptions->pszNSPrefix;
osFilter += pszName;
osFilter += ">";
return TRUE;
}
return FALSE;
}
static int WFS_ExprDumpAsOGCFilter(CPLString& osFilter,
const Expr* expr,
int bExpectBinary,
ExprDumpFilterOptions* psOptions)
{
switch(expr->eType)
{
case TOKEN_VAR_NAME:
{
if (bExpectBinary)
return FALSE;
/* Special fields not understood by server */
if (EQUAL(expr->pszVal, "gml_id") ||
EQUAL(expr->pszVal, "FID") ||
EQUAL(expr->pszVal, "OGR_GEOMETRY") ||
EQUAL(expr->pszVal, "OGR_GEOM_WKT") ||
EQUAL(expr->pszVal, "OGR_GEOM_AREA") ||
EQUAL(expr->pszVal, "OGR_STYLE"))
{
CPLDebug("WFS", "Attribute refers to a OGR special field. Cannot use server-side filtering");
return FALSE;
}
const char* pszFieldname;
CPLString osVal;
if (expr->pszVal[0] == '\'' || expr->pszVal[0] == '"')
{
osVal = expr->pszVal + 1;
osVal.resize(osVal.size() - 1);
pszFieldname = osVal.c_str();
}
else
pszFieldname = expr->pszVal;
if (psOptions->poFDefn->GetFieldIndex(pszFieldname) == -1)
{
CPLDebug("WFS", "Field '%s' unknown. Cannot use server-side filtering",
pszFieldname);
return FALSE;
}
if (psOptions->nVersion >= 200)
osFilter += "<ValueReference>";
else
osFilter += "<PropertyName>";
char* pszFieldnameXML = CPLEscapeString(pszFieldname, -1, CPLES_XML);
osFilter += pszFieldnameXML;
CPLFree(pszFieldnameXML);
if (psOptions->nVersion >= 200)
osFilter += "</ValueReference>";
else
osFilter += "</PropertyName>";
break;
}
case TOKEN_LITERAL:
{
if (bExpectBinary)
return FALSE;
const char* pszLiteral;
CPLString osVal;
if (expr->pszVal[0] == '\'' || expr->pszVal[0] == '"')
{
osVal = expr->pszVal + 1;
osVal.resize(osVal.size() - 1);
pszLiteral = osVal.c_str();
}
else
pszLiteral = expr->pszVal;
osFilter += "<Literal>";
char* pszLiteralXML = CPLEscapeString(pszLiteral, -1, CPLES_XML);
osFilter += pszLiteralXML;
CPLFree(pszLiteralXML);
osFilter += "</Literal>";
break;
}
case TOKEN_NOT:
osFilter += "<Not>";
if (!WFS_ExprDumpAsOGCFilter(osFilter, expr->expr1, TRUE, psOptions))
return FALSE;
osFilter += "</Not>";
break;
case TOKEN_LIKE:
{
CPLString osVal;
char ch;
char firstCh = 0;
int i;
if (psOptions->nVersion == 100)
osFilter += "<PropertyIsLike wildCard='*' singleChar='_' escape='!'>";
else
osFilter += "<PropertyIsLike wildCard='*' singleChar='_' escapeChar='!'>";
if (!WFS_ExprDumpAsOGCFilter(osFilter, expr->expr1, FALSE, psOptions))
return FALSE;
if (expr->expr2->eType != TOKEN_LITERAL)
return FALSE;
osFilter += "<Literal>";
/* Escape value according to above special characters */
/* For URL compatibility reason, we remap the OGR SQL '%' wildchard into '*' */
i = 0;
ch = expr->expr2->pszVal[i];
if (ch == '\'' || ch == '"')
{
firstCh = ch;
i ++;
}
for(; (ch = expr->expr2->pszVal[i]) != '\0'; i++)
{
if (ch == '%')
osVal += "*";
else if (ch == '!')
osVal += "!!";
else if (ch == '*')
osVal += "!*";
else if (ch == firstCh && expr->expr2->pszVal[i + 1] == 0)
break;
else
{
char ach[2];
ach[0] = ch;
ach[1] = 0;
osVal += ach;
}
}
osFilter += osVal;
osFilter += "</Literal>";
osFilter += "</PropertyIsLike>";
break;
}
case TOKEN_EQUAL:
case TOKEN_NOT_EQUAL:
case TOKEN_LESSER_OR_EQUAL:
case TOKEN_LESSER:
case TOKEN_GREATER_OR_EQUAL:
case TOKEN_GREATER:
{
if (expr->eType == TOKEN_EQUAL && expr->expr2->eType == TOKEN_LITERAL &&
EQUAL(expr->expr2->pszVal, "NULL"))
{
osFilter += "<PropertyIsNull>";
if (!WFS_ExprDumpAsOGCFilter(osFilter, expr->expr1, FALSE, psOptions))
return FALSE;
osFilter += "</PropertyIsNull>";
psOptions->bOutNeedsNullCheck = TRUE;
break;
}
if (expr->eType == TOKEN_NOT_EQUAL && expr->expr2->eType == TOKEN_LITERAL &&
EQUAL(expr->expr2->pszVal, "NULL"))
{
osFilter += "<Not><PropertyIsNull>";
if (!WFS_ExprDumpAsOGCFilter(osFilter, expr->expr1, FALSE, psOptions))
return FALSE;
osFilter += "</PropertyIsNull></Not>";
psOptions->bOutNeedsNullCheck = TRUE;
break;
}
TokenType eType = expr->eType;
int bAddClosingNot = FALSE;
if (!psOptions->bPropertyIsNotEqualToSupported && eType == TOKEN_NOT_EQUAL)
{
osFilter += "<Not>";
eType = TOKEN_EQUAL;
bAddClosingNot = TRUE;
}
const char* pszName = NULL;
switch(eType)
{
case TOKEN_EQUAL:
pszName = "PropertyIsEqualTo";
break;
case TOKEN_NOT_EQUAL:
pszName = "PropertyIsNotEqualTo";
break;
case TOKEN_LESSER_OR_EQUAL:
pszName = "PropertyIsLessThanOrEqualTo";
break;
case TOKEN_LESSER:
pszName = "PropertyIsLessThan";
break;
case TOKEN_GREATER_OR_EQUAL:
pszName = "PropertyIsGreaterThanOrEqualTo";
break;
case TOKEN_GREATER:
pszName = "PropertyIsGreaterThan";
break;
default:
break;
}
osFilter += "<";
osFilter += pszName;
osFilter += ">";
if (!WFS_ExprDumpAsOGCFilter(osFilter, expr->expr1, FALSE, psOptions))
return FALSE;
if (!WFS_ExprDumpAsOGCFilter(osFilter, expr->expr2, FALSE, psOptions))
return FALSE;
osFilter += "</";
osFilter += pszName;
osFilter += ">";
if (bAddClosingNot)
osFilter += "</Not>";
break;
}
case TOKEN_AND:
case TOKEN_OR:
{
const char* pszName = (expr->eType == TOKEN_AND) ? "And" : "Or";
osFilter += "<";
osFilter += pszName;
osFilter += ">";
if (!WFS_ExprDumpAsOGCFilter(osFilter, expr->expr1, TRUE, psOptions))
return FALSE;
if (!WFS_ExprDumpAsOGCFilter(osFilter, expr->expr2, TRUE, psOptions))
return FALSE;
osFilter += "</";
osFilter += pszName;
osFilter += ">";
break;
}
default:
return FALSE;
}
return TRUE;
}
