/*
** Replace the default value srs value in the url with a utm zone.
**
** Steps:
** Check for default SRS key/value
** Erase it from the string
** Add a new token with the EPSG code provided.
**
** The result should be freed using CPLFree();
*/
const char * LandfireClient::ReplaceSRS( int nEpsgCode, const char *pszUrl )
{
int i, n;
int nUrlSize = CPLStrnlen( pszUrl, 8192 );
const char *pszEpsg = CPLSPrintf( "&prj=%d", nEpsgCode );
int nEpsgSize = CPLStrnlen( pszEpsg, 8192 );
char **papszBadTokens = CSLTokenizeString2( LF_DEFAULT_SRS_TOKENS, ",", 0 );
int nBadTokenSize = 0;
char *p, *q;
char *pszNewUrl = CPLStrdup( pszUrl );
i = 0;
do
{
p = strstr( pszNewUrl, papszBadTokens[i] );
nBadTokenSize = strlen( papszBadTokens[i] );
i++;
} while( i < CSLCount( papszBadTokens ) && !p );
i--;
if( p )
{
if( nBadTokenSize < nEpsgSize )
{
n = nUrlSize + nEpsgSize - nBadTokenSize + 1;
CPLAssert( n > strlen( pszNewUrl ) );
pszNewUrl = (char*)CPLRealloc( pszNewUrl, sizeof( char ) * n );
/* reset p after realloc */
p = strstr( pszNewUrl, papszBadTokens[i] );
}
q = p + nBadTokenSize;
while( *q != '\0' )
{
*(p++) = *(q++);
}
*p = '\0';
}
else
{
n = nUrlSize + nEpsgSize + 1;
pszNewUrl = (char*)CPLRealloc( pszNewUrl, sizeof( char ) * n );
}
strcat( pszNewUrl, pszEpsg );
CSLDestroy( papszBadTokens );
return pszNewUrl;
}
CPLErr GNMGenericNetwork::LoadMetadataLayer(GDALDataset * const pDS)
{
// read version, description, SRS, classes, rules
m_poMetadataLayer = pDS->GetLayerByName(GNM_SYSLAYER_META);
if(NULL == m_poMetadataLayer)
{
CPLError( CE_Failure, CPLE_AppDefined, "Loading of '%s' layer failed",
GNM_SYSLAYER_META );
return CE_Failure;
}
std::map<int, GNMRule> moRules;
int nRulePrefixLen = static_cast<int>(CPLStrnlen(GNM_MD_RULE, 255));
OGRFeature *poFeature;
m_poMetadataLayer->ResetReading();
while ((poFeature = m_poMetadataLayer->GetNextFeature()) != NULL)
{
const char *pKey = poFeature->GetFieldAsString(GNM_SYSFIELD_PARAMNAME);
const char *pValue = poFeature->GetFieldAsString(GNM_SYSFIELD_PARAMVALUE);
CPLDebug("GNM", "Load metadata. Key: %s, value %s", pKey, pValue);
if(EQUAL(pKey, GNM_MD_NAME))
{
m_soName = pValue;
}
else if(EQUAL(pKey, GNM_MD_DESCR))
{
sDescription = pValue;
}
else if(EQUAL(pKey, GNM_MD_SRS))
{
m_soSRS = pValue;
}
else if(EQUAL(pKey, GNM_MD_VERSION))
{
m_nVersion = atoi(pValue);
}
else if(EQUALN(pKey, GNM_MD_RULE, nRulePrefixLen))
{
moRules[atoi(pKey + nRulePrefixLen)] = GNMRule(pValue);
}
OGRFeature::DestroyFeature(poFeature);
}
for(std::map<int, GNMRule>::iterator it = moRules.begin();
it != moRules.end(); ++it)
{
if(it->second.IsValid())
m_asRules.push_back(it->second);
}
if(m_soSRS.empty())
{
// cppcheck-suppress knownConditionTrueFalse
if(LoadNetworkSrs() != CE_None)
return CE_Failure;
}
return CE_None;
}
static CPLErr Resolve( CPLXMLNode * psNode,
CPLXMLNode *** ppapsRoot,
char *** ppapszResourceHREF,
char ** papszSkip,
const int bStrict )
{
//for each sibling
CPLXMLNode *psSibling = NULL;
CPLXMLNode *psResource = NULL;
CPLXMLNode *psTarget = NULL;
CPLErr eReturn = CE_None, eReturned;
for( psSibling = psNode; psSibling != NULL; psSibling = psSibling->psNext )
{
if( psSibling->eType != CXT_Element )
continue;
CPLXMLNode *psChild = psSibling->psChild;
while( psChild != NULL &&
!( psChild->eType == CXT_Attribute &&
EQUAL( psChild->pszValue, "xlink:href" ) ) )
psChild = psChild->psNext;
//if a child has a "xlink:href" attribute
if( psChild != NULL && psChild->psChild != NULL )
{
if( CSLFindString( papszSkip, psSibling->pszValue ) >= 0 )
{//Skipping a specified element
eReturn = CE_Warning;
continue;
}
static int i = 0;
if( i-- == 0 )
{//a way to track progress
i = 256;
CPLDebug( "GML",
"Resolving xlinks... (currently %s)",
psChild->psChild->pszValue );
}
char **papszTokens;
papszTokens = CSLTokenizeString2( psChild->psChild->pszValue, "#",
CSLT_ALLOWEMPTYTOKENS |
CSLT_STRIPLEADSPACES |
CSLT_STRIPENDSPACES );
if( CSLCount( papszTokens ) != 2 || strlen(papszTokens[1]) <= 0 )
{
CPLError( bStrict ? CE_Failure : CE_Warning,
CPLE_NotSupported,
"Error parsing the href %s.%s",
psChild->psChild->pszValue,
bStrict ? "" : " Skipping..." );
CSLDestroy( papszTokens );
if( bStrict )
return CE_Failure;
eReturn = CE_Warning;
continue;
}
//look for the resource with that URL
psResource = FindTreeByURL( ppapsRoot,
ppapszResourceHREF,
papszTokens[0] );
if( psResource == NULL )
{
CSLDestroy( papszTokens );
if( bStrict )
return CE_Failure;
eReturn = CE_Warning;
continue;
}
//look for the element with the ID
psTarget = FindElementByID( psResource, papszTokens[1] );
if( psTarget != NULL )
{
//remove the xlink:href attribute
CPLRemoveXMLChild( psSibling, psChild );
CPLDestroyXMLNode( psChild );
//make a copy of psTarget
CPLXMLNode *psCopy = CPLCreateXMLNode( NULL,
CXT_Element,
psTarget->pszValue );
psCopy->psChild = CPLCloneXMLTree( psTarget->psChild );
RemoveIDs( psCopy );
//correct empty URLs in URL#id pairs
if( CPLStrnlen( papszTokens[0], 1 ) > 0 )
{
CorrectURLs( psCopy, papszTokens[0] );
}
CPLAddXMLChild( psSibling, psCopy );
CSLDestroy( papszTokens );
}
else
{
//element not found
CSLDestroy( papszTokens );
CPLError( bStrict ? CE_Failure : CE_Warning,
CPLE_ObjectNull,
"Couldn't find the element with id %s.",
psChild->psChild->pszValue );
if( bStrict )
return CE_Failure;
eReturn = CE_Warning;
}
}
//Recurse with the first child
eReturned=Resolve( psSibling->psChild,
ppapsRoot,
ppapszResourceHREF,
papszSkip,
bStrict );
if( eReturned == CE_Failure )
return CE_Failure;
if( eReturned == CE_Warning )
eReturn = CE_Warning;
}
return eReturn;
}
static void CorrectURLs( CPLXMLNode * psRoot, const char *pszURL )
{
if( psRoot == NULL || pszURL == NULL )
return;
if( pszURL[0] == '\0' )
return;
CPLXMLNode *psChild = psRoot->psChild;
// check for xlink:href attribute
while( psChild != NULL && !( ( psChild->eType == CXT_Attribute ) &&
( EQUAL(psChild->pszValue, "xlink:href") )) )
psChild = psChild->psNext;
if( psChild != NULL &&
!( strstr( psChild->psChild->pszValue, pszURL ) == psChild->psChild->pszValue
&& psChild->psChild->pszValue[strlen(pszURL)] == '#' ) )
{
//href has a different url
size_t nLen;
char *pszNew;
if( psChild->psChild->pszValue[0] == '#' )
{
//empty URL: prepend the given URL
nLen = CPLStrnlen( pszURL, 1024 ) +
CPLStrnlen( psChild->psChild->pszValue, 1024 ) + 1;
pszNew = (char *)CPLMalloc( nLen * sizeof(char));
CPLStrlcpy( pszNew, pszURL, nLen );
CPLStrlcat( pszNew, psChild->psChild->pszValue, nLen );
CPLSetXMLValue( psRoot, "#xlink:href", pszNew );
CPLFree( pszNew );
}
else
{
size_t nPathLen;
for( nPathLen = strlen(pszURL);
nPathLen > 0 && pszURL[nPathLen - 1] != '/'
&& pszURL[nPathLen - 1] != '\\';
nPathLen--);
if( strncmp( pszURL, psChild->psChild->pszValue, nPathLen ) != 0 )
{
//different path
int nURLLen = strchr( psChild->psChild->pszValue, '#' ) -
psChild->psChild->pszValue;
char *pszURLWithoutID = (char *)CPLMalloc( (nURLLen+1) * sizeof(char));
strncpy( pszURLWithoutID, psChild->psChild->pszValue, nURLLen );
pszURLWithoutID[nURLLen] = '\0';
if( CPLIsFilenameRelative( pszURLWithoutID ) &&
strstr( pszURLWithoutID, ":" ) == NULL )
{
//relative URL: prepend the path of pszURL
nLen = nPathLen +
CPLStrnlen( psChild->psChild->pszValue, 1024 ) + 1;
pszNew = (char *)CPLMalloc( nLen * sizeof(char));
size_t i;
for( i = 0; i < nPathLen; i++ )
pszNew[i] = pszURL[i];
pszNew[nPathLen] = '\0';
CPLStrlcat( pszNew, psChild->psChild->pszValue, nLen );
CPLSetXMLValue( psRoot, "#xlink:href", pszNew );
CPLFree( pszNew );
}
CPLFree( pszURLWithoutID );
}
}
}
// search the child elements of psRoot
for( psChild = psRoot->psChild; psChild != NULL; psChild = psChild->psNext)
if( psChild->eType == CXT_Element )
CorrectURLs( psChild, pszURL );
}
SEXP ogrReadColumn(OGRLayer *poLayer, SEXP FIDs, int iField, int int64, int ENC_DEBUG) {
// read feature data and return something according to the type
OGRFeatureDefn *poDefn;
OGRFieldDefn *poField;
OGRFeature *poFeature;
int iRow,nRows;
SEXP ans = R_NilValue;
nRows=length(FIDs);
// get field data from layer
installErrorHandler();
poDefn = poLayer->GetLayerDefn();
poField = poDefn->GetFieldDefn(iField);
uninstallErrorHandlerAndTriggerError();
if(poField == NULL) {
error("Error getting field %d ",iField);
}
// allocate an object for the result depending on the feature type:
installErrorHandler();
switch(poField->GetType()) {
case OFTInteger:
PROTECT(ans=allocVector(INTSXP,nRows));
break;
#ifdef GDALV2
case OFTInteger64:
if (int64 ==3) {
PROTECT(ans=allocVector(STRSXP,nRows));
} else {
PROTECT(ans=allocVector(INTSXP,nRows));
}
break;
#endif
case OFTReal:
PROTECT(ans=allocVector(REALSXP,nRows));
break;
case OFTString:
PROTECT(ans=allocVector(STRSXP,nRows));
break;
case OFTDate:
PROTECT(ans=allocVector(STRSXP,nRows));
break;
case OFTDateTime:
PROTECT(ans=allocVector(STRSXP,nRows));
break;
case OFTTime:
PROTECT(ans=allocVector(STRSXP,nRows));
break;
default:
const char *desc = poField->GetFieldTypeName(poField->GetType());
uninstallErrorHandlerAndTriggerError();
error("unsupported field type: %s", desc);
break;
}
uninstallErrorHandlerAndTriggerError();
// now go over each row and retrieve data. iRow is an index in a
// vector of FIDs
/*#ifndef EJP
installErrorHandler();
for(iRow=0;iRow<nRows;iRow++){
poFeature=poLayer->GetFeature(INTEGER(FIDs)[iRow]);
if(poFeature == NULL){
error("Error getting feature FID: %d",(INTEGER(FIDs)[iRow]));
}
}
uninstallErrorHandlerAndTriggerError();
#else*/
// EJP, changed into:
installErrorHandler();
poLayer->ResetReading();
iRow = 0;
while((poFeature = poLayer->GetNextFeature()) != NULL) {
//#endif
// now get the value using the right type:
switch(poField->GetType()) {
case OFTInteger:
if (poFeature->IsFieldSet(iField))
INTEGER(ans)[iRow]=poFeature->GetFieldAsInteger(iField);
else INTEGER(ans)[iRow]=NA_INTEGER;
break;
#ifdef GDALV2
case OFTInteger64:
if (poFeature->IsFieldSet(iField)) {
if (int64 == 3) {
SET_STRING_ELT(ans, iRow,
mkChar(poFeature->GetFieldAsString(iField)));
} else {
GIntBig nVal64 = poFeature->GetFieldAsInteger64(iField);
int nVal = (nVal64 > INT_MAX) ? INT_MAX :
(nVal64 < INT_MIN) ? INT_MIN : (int) nVal64;
INTEGER(ans)[iRow]=nVal;
if (((GIntBig)nVal != nVal64) && int64 == 2) {
warning("Integer64 value clamped: feature %d", iRow);
}
}
} else {
if (int64 == 3) {
SET_STRING_ELT(ans, iRow, NA_STRING);
} else {
INTEGER(ans)[iRow]=NA_INTEGER;
}
}
break;
#endif
case OFTReal:
if (poFeature->IsFieldSet(iField))
REAL(ans)[iRow]=poFeature->GetFieldAsDouble(iField);
else REAL(ans)[iRow]=NA_REAL;
break;
case OFTString:
// ENC
char str[4096];
size_t stln;
if (poFeature->IsFieldSet(iField)) {
stln = CPLStrnlen(poFeature->GetFieldAsString(iField), 4096);
CPLStrlcpy(str, (const char *) poFeature->GetFieldAsString(iField),
4096);
SET_STRING_ELT(ans, iRow, mkChar(str));
} else SET_STRING_ELT(ans, iRow, NA_STRING);
if (ENC_DEBUG) {
Rprintf("iField: %d, iRow: %d stln %u Enc %s ", iField,
iRow, stln, CPLIsUTF8(str, (int) stln)?"UTF-8":"other");
for (int si=0; si < (int) stln; si++)
Rprintf("%x ", (unsigned char) str[si]);
Rprintf("\n");
} /* FIXME */
break;
case OFTDate:
if (poFeature->IsFieldSet(iField))
SET_STRING_ELT(ans,iRow,mkChar(poFeature->GetFieldAsString(iField)));
else SET_STRING_ELT(ans, iRow, NA_STRING);
break;
case OFTDateTime:
if (poFeature->IsFieldSet(iField))
SET_STRING_ELT(ans,iRow,mkChar(poFeature->GetFieldAsString(iField)));
else SET_STRING_ELT(ans, iRow, NA_STRING);
break;
case OFTTime:
if (poFeature->IsFieldSet(iField))
SET_STRING_ELT(ans,iRow,mkChar(poFeature->GetFieldAsString(iField)));
else SET_STRING_ELT(ans, iRow, NA_STRING);
break;
default:
OGRFeature::DestroyFeature( poFeature );
// delete poFeature;
uninstallErrorHandlerAndTriggerError();
error("Unsupported field type. should have been caught before");
}
OGRFeature::DestroyFeature( poFeature );
// delete poFeature;
//#ifdef EJP
// according to tutorial: OGRFeature::DestroyFeature(poFeature);
// see comment FW in OGR tutorial: We could just "delete" it,
// but this can cause problems in windows builds where the GDAL DLL
// has a different "heap" from the main program. To be on the safe
// side we use a GDAL function to delete the feature.
iRow++;
//#endif
}
uninstallErrorHandlerAndTriggerError();
UNPROTECT(1);
return(ans);
}
OGRErr OGRKMLLayer::ICreateFeature( OGRFeature* poFeature )
{
CPLAssert( NULL != poFeature );
CPLAssert( NULL != poDS_ );
if( !bWriter_ )
return OGRERR_FAILURE;
if( bClosedForWriting )
{
CPLError(CE_Failure, CPLE_NotSupported,
"Interleaved feature adding to different layers is not supported");
return OGRERR_FAILURE;
}
VSILFILE *fp = poDS_->GetOutputFP();
CPLAssert( NULL != fp );
if( poDS_->GetLayerCount() == 1 && nWroteFeatureCount_ == 0 )
{
CPLString osRet = WriteSchema();
if( osRet.size() )
VSIFPrintfL( fp, "%s", osRet.c_str() );
bSchemaWritten_ = TRUE;
VSIFPrintfL( fp, "<Folder><name>%s</name>\n", pszName_);
}
VSIFPrintfL( fp, " <Placemark>\n" );
if( poFeature->GetFID() == OGRNullFID )
poFeature->SetFID( iNextKMLId_++ );
// Find and write the name element
if (NULL != poDS_->GetNameField())
{
for( int iField = 0; iField < poFeatureDefn_->GetFieldCount(); iField++ )
{
OGRFieldDefn *poField = poFeatureDefn_->GetFieldDefn( iField );
if( poFeature->IsFieldSet( iField )
&& EQUAL(poField->GetNameRef(), poDS_->GetNameField()) )
{
const char *pszRaw = poFeature->GetFieldAsString( iField );
while( *pszRaw == ' ' )
pszRaw++;
char *pszEscaped = OGRGetXML_UTF8_EscapedString( pszRaw );
VSIFPrintfL( fp, "\t<name>%s</name>\n", pszEscaped);
CPLFree( pszEscaped );
}
}
}
if (NULL != poDS_->GetDescriptionField())
{
for( int iField = 0; iField < poFeatureDefn_->GetFieldCount(); iField++ )
{
OGRFieldDefn *poField = poFeatureDefn_->GetFieldDefn( iField );
if( poFeature->IsFieldSet( iField )
&& EQUAL(poField->GetNameRef(), poDS_->GetDescriptionField()) )
{
const char *pszRaw = poFeature->GetFieldAsString( iField );
while( *pszRaw == ' ' )
pszRaw++;
char *pszEscaped = OGRGetXML_UTF8_EscapedString( pszRaw );
VSIFPrintfL( fp, "\t<description>%s</description>\n", pszEscaped);
CPLFree( pszEscaped );
}
}
}
OGRwkbGeometryType eGeomType = wkbNone;
if (poFeature->GetGeometryRef() != NULL)
eGeomType = wkbFlatten(poFeature->GetGeometryRef()->getGeometryType());
if ( wkbPolygon == eGeomType
|| wkbMultiPolygon == eGeomType
|| wkbLineString == eGeomType
|| wkbMultiLineString == eGeomType )
{
OGRStylePen *poPen = NULL;
OGRStyleMgr oSM;
if( poFeature->GetStyleString() != NULL )
{
oSM.InitFromFeature( poFeature );
int i;
for(i=0; i<oSM.GetPartCount();i++)
{
OGRStyleTool *poTool = oSM.GetPart(i);
if (poTool && poTool->GetType() == OGRSTCPen )
{
poPen = (OGRStylePen*) poTool;
break;
}
delete poTool;
}
}
VSIFPrintfL( fp, "\t<Style>");
if( poPen != NULL )
{
GBool bDefault;
int bHasWidth = FALSE;
/* Require width to be returned in pixel */
poPen->SetUnit(OGRSTUPixel);
double fW = poPen->Width(bDefault);
if( bDefault )
fW = 1;
else
bHasWidth = TRUE;
const char* pszColor = poPen->Color(bDefault);
int nColorLen = static_cast<int>(CPLStrnlen(pszColor, 10));
if( pszColor != NULL && pszColor[0] == '#' && !bDefault && nColorLen >= 7)
{
char acColor[9] = {0};
/* Order of KML color is aabbggrr, whereas OGR color is #rrggbb[aa] ! */
if(nColorLen == 9)
{
acColor[0] = pszColor[7]; /* A */
acColor[1] = pszColor[8];
}
else
{
acColor[0] = 'F';
acColor[1] = 'F';
}
acColor[2] = pszColor[5]; /* B */
acColor[3] = pszColor[6];
acColor[4] = pszColor[3]; /* G */
acColor[5] = pszColor[4];
acColor[6] = pszColor[1]; /* R */
acColor[7] = pszColor[2];
VSIFPrintfL( fp, "<LineStyle><color>%s</color>", acColor);
if (bHasWidth)
VSIFPrintfL( fp, "<width>%g</width>", fW);
VSIFPrintfL( fp, "</LineStyle>");
}
else
VSIFPrintfL( fp, "<LineStyle><color>ff0000ff</color></LineStyle>");
}
else
VSIFPrintfL( fp, "<LineStyle><color>ff0000ff</color></LineStyle>");
delete poPen;
//If we're dealing with a polygon, add a line style that will stand out a bit
VSIFPrintfL( fp, "<PolyStyle><fill>0</fill></PolyStyle></Style>\n" );
}
int bHasFoundOtherField = FALSE;
// Write all fields as SchemaData
for( int iField = 0; iField < poFeatureDefn_->GetFieldCount(); iField++ )
{
OGRFieldDefn *poField = poFeatureDefn_->GetFieldDefn( iField );
if( poFeature->IsFieldSet( iField ))
{
if (NULL != poDS_->GetNameField() &&
EQUAL(poField->GetNameRef(), poDS_->GetNameField()) )
continue;
if (NULL != poDS_->GetDescriptionField() &&
EQUAL(poField->GetNameRef(), poDS_->GetDescriptionField()) )
continue;
if (!bHasFoundOtherField)
{
VSIFPrintfL( fp, "\t<ExtendedData><SchemaData schemaUrl=\"#%s\">\n", pszName_ );
bHasFoundOtherField = TRUE;
}
const char *pszRaw = poFeature->GetFieldAsString( iField );
while( *pszRaw == ' ' )
pszRaw++;
char *pszEscaped;
if (poFeatureDefn_->GetFieldDefn(iField)->GetType() == OFTReal)
{
pszEscaped = CPLStrdup( pszRaw );
}
else
{
pszEscaped = OGRGetXML_UTF8_EscapedString( pszRaw );
}
VSIFPrintfL( fp, "\t\t<SimpleData name=\"%s\">%s</SimpleData>\n",
poField->GetNameRef(), pszEscaped);
CPLFree( pszEscaped );
}
}
if (bHasFoundOtherField)
{
VSIFPrintfL( fp, "\t</SchemaData></ExtendedData>\n" );
}
// Write out Geometry - for now it isn't indented properly.
if( poFeature->GetGeometryRef() != NULL )
{
char* pszGeometry = NULL;
OGREnvelope sGeomBounds;
OGRGeometry* poWGS84Geom;
if (NULL != poCT_)
{
poWGS84Geom = poFeature->GetGeometryRef()->clone();
poWGS84Geom->transform( poCT_ );
}
else
{
poWGS84Geom = poFeature->GetGeometryRef();
}
// TODO - porting
// pszGeometry = poFeature->GetGeometryRef()->exportToKML();
pszGeometry =
OGR_G_ExportToKML( (OGRGeometryH)poWGS84Geom,
poDS_->GetAltitudeMode());
VSIFPrintfL( fp, " %s\n", pszGeometry );
CPLFree( pszGeometry );
poWGS84Geom->getEnvelope( &sGeomBounds );
poDS_->GrowExtents( &sGeomBounds );
if (NULL != poCT_)
{
delete poWGS84Geom;
}
}
VSIFPrintfL( fp, " </Placemark>\n" );
nWroteFeatureCount_++;
return OGRERR_NONE;
}
