Ejemplo n.º 1
0
int gv_symbol_manager_save_vector_symbol( GvSymbolManager *manager, 
                                          const char *symbol_name, 
                                          const char *new_name )

{
    GvSymbolObj *symbol;

    /* allocate a new symbol object */
    symbol = g_hash_table_lookup( manager->symbol_cache, symbol_name );

    CPLDebug("OpenEV", "save_vector_symbol(%s->%s)", symbol_name, new_name );

    if ( symbol && symbol->type == GV_SYMBOL_VECTOR )
    {
        GvShape     *shape;
        CPLXMLNode  *xml_shape;

        shape = (GvShape *)symbol->buffer;
        xml_shape = gv_shape_to_xml_tree( shape );

        if ( CPLSerializeXMLTreeToFile( xml_shape, new_name ) )
        {
            CPLDestroyXMLNode( xml_shape );
            return TRUE;
        }
    }

    return FALSE;

}
Ejemplo n.º 2
0
void GDALJP2AbstractDataset::LoadVectorLayers(int bOpenRemoteResources)
{
    char** papszGMLJP2 = GetMetadata("xml:gml.root-instance");
    if( papszGMLJP2 == NULL )
        return;
    GDALDriver* poMemDriver = (GDALDriver*)GDALGetDriverByName("Memory");
    if( poMemDriver == NULL )
        return;
    CPLXMLNode* psRoot = CPLParseXMLString(papszGMLJP2[0]);
    if( psRoot == NULL )
        return;
    CPLXMLNode* psCC = CPLGetXMLNode(psRoot, "=gmljp2:GMLJP2CoverageCollection");
    if( psCC == NULL )
    {
        CPLDestroyXMLNode(psRoot);
        return;
    }

    // Find feature collections
    CPLXMLNode* psCCChildIter = psCC->psChild;
    int nLayersAtCC = 0;
    int nLayersAtGC = 0;
    for( ; psCCChildIter != NULL; psCCChildIter = psCCChildIter->psNext )
    {
        if( psCCChildIter->eType != CXT_Element ||
            strcmp(psCCChildIter->pszValue, "gmljp2:featureMember") != 0 ||
            psCCChildIter->psChild == NULL ||
            psCCChildIter->psChild->eType != CXT_Element )
            continue;

        CPLXMLNode* psGCorGMLJP2Features = psCCChildIter->psChild;
        int bIsGC = ( strstr(psGCorGMLJP2Features->pszValue, "GridCoverage") != NULL );

        CPLXMLNode* psGCorGMLJP2FeaturesChildIter = psGCorGMLJP2Features->psChild;
        for( ; psGCorGMLJP2FeaturesChildIter != NULL;
               psGCorGMLJP2FeaturesChildIter = psGCorGMLJP2FeaturesChildIter->psNext )
        {
            if( psGCorGMLJP2FeaturesChildIter->eType != CXT_Element ||
                strcmp(psGCorGMLJP2FeaturesChildIter->pszValue, "gmljp2:feature") != 0 ||
                psGCorGMLJP2FeaturesChildIter->psChild == NULL )
                continue;

            CPLXMLNode* psFC = NULL;
            int bFreeFC = FALSE;
            CPLString osGMLTmpFile;

            CPLXMLNode* psChild = psGCorGMLJP2FeaturesChildIter->psChild;
            if( psChild->eType == CXT_Attribute &&
                strcmp(psChild->pszValue, "xlink:href") == 0 &&
                strncmp(psChild->psChild->pszValue,
                        "gmljp2://xml/", strlen("gmljp2://xml/")) == 0 )
            {
                const char* pszBoxName = psChild->psChild->pszValue + strlen("gmljp2://xml/");
                char** papszBoxData = GetMetadata(CPLSPrintf("xml:%s", pszBoxName));
                if( papszBoxData != NULL )
                {
                    psFC = CPLParseXMLString(papszBoxData[0]);
                    bFreeFC = TRUE;
                }
                else
                {
                    CPLDebug("GMLJP2",
                             "gmljp2:feature references %s, but no corresponding box found",
                             psChild->psChild->pszValue);
                }
            }
            if( psChild->eType == CXT_Attribute &&
                strcmp(psChild->pszValue, "xlink:href") == 0 &&
                (strncmp(psChild->psChild->pszValue, "http://", strlen("http://")) == 0 ||
                 strncmp(psChild->psChild->pszValue, "https://", strlen("https://")) == 0) )
            {
                if( !bOpenRemoteResources )
                    CPLDebug("GMLJP2", "Remote feature collection %s mentionned in GMLJP2 box",
                             psChild->psChild->pszValue);
                else
                    osGMLTmpFile = "/vsicurl/" + CPLString(psChild->psChild->pszValue);
            }
            else if( psChild->eType == CXT_Element &&
                     strstr(psChild->pszValue, "FeatureCollection") != NULL )
            {
                psFC = psChild;
            }
            if( psFC == NULL && osGMLTmpFile.size() == 0 )
                continue;

            if( psFC != NULL )
            {
                osGMLTmpFile = CPLSPrintf("/vsimem/gmljp2/%p/my.gml", this);
                // Create temporary .gml file
                CPLSerializeXMLTreeToFile(psFC, osGMLTmpFile);
            }

            CPLDebug("GMLJP2", "Found a FeatureCollection at %s level",
                     (bIsGC) ? "GridCoverage" : "CoverageCollection");

            CPLString osXSDTmpFile;

            if( psFC )
            {
                // Try to localize its .xsd schema in a GMLJP2 auxiliary box
                const char* pszSchemaLocation = CPLGetXMLValue(psFC, "xsi:schemaLocation", NULL);
                if( pszSchemaLocation )
                {
                    char **papszTokens = CSLTokenizeString2(
                            pszSchemaLocation, " \t\n", 
                            CSLT_HONOURSTRINGS | CSLT_STRIPLEADSPACES | CSLT_STRIPENDSPACES);

                    if( (CSLCount(papszTokens) % 2) == 0 )
                    {
                        for(char** papszIter = papszTokens; *papszIter; papszIter += 2 )
                        {
                            if( strncmp(papszIter[1], "gmljp2://xml/", strlen("gmljp2://xml/")) == 0 )
                            {
                                const char* pszBoxName = papszIter[1] + strlen("gmljp2://xml/");
                                char** papszBoxData = GetMetadata(CPLSPrintf("xml:%s", pszBoxName));
                                if( papszBoxData != NULL )
                                {
                                    osXSDTmpFile = CPLSPrintf("/vsimem/gmljp2/%p/my.xsd", this);
                                    VSIFCloseL(VSIFileFromMemBuffer(osXSDTmpFile,
                                                                    (GByte*)papszBoxData[0],
                                                                    strlen(papszBoxData[0]),
                                                                    FALSE));
                                }
                                else
                                {
                                    CPLDebug("GMLJP2",
                                            "Feature collection references %s, but no corresponding box found",
                                            papszIter[1]);
                                }
                                break;
                            }
                        }
                    }
                    CSLDestroy(papszTokens);
                }
                if( bFreeFC )
                {
                    CPLDestroyXMLNode(psFC);
                    psFC = NULL;
                }
            }

            GDALDriverH hDrv = GDALIdentifyDriver(osGMLTmpFile, NULL);
            GDALDriverH hGMLDrv = GDALGetDriverByName("GML");
            if( hDrv != NULL && hDrv == hGMLDrv )
            {
                char* apszOpenOptions[2];
                apszOpenOptions[0] = (char*) "FORCE_SRS_DETECTION=YES";
                apszOpenOptions[1] = NULL;
                GDALDataset* poTmpDS = (GDALDataset*)GDALOpenEx( osGMLTmpFile,
                                        GDAL_OF_VECTOR, NULL, apszOpenOptions, NULL );
                if( poTmpDS )
                {
                    int nLayers = poTmpDS->GetLayerCount();
                    for(int i=0;i<nLayers;i++)
                    {
                        if( poMemDS == NULL )
                            poMemDS = poMemDriver->Create("", 0, 0, 0, GDT_Unknown, NULL);
                        OGRLayer* poSrcLyr = poTmpDS->GetLayer(i);
                        const char* pszLayerName;
                        if( bIsGC )
                            pszLayerName = CPLSPrintf("FC_GridCoverage_%d_%s",
                                                    ++nLayersAtGC, poSrcLyr->GetName());
                        else
                            pszLayerName = CPLSPrintf("FC_CoverageCollection_%d_%s",
                                                    ++nLayersAtCC, poSrcLyr->GetName());
                        poMemDS->CopyLayer(poSrcLyr, pszLayerName, NULL);
                    }
                    GDALClose(poTmpDS);

                    // In case we don't have a schema, a .gfs might have been generated
                    VSIUnlink(CPLSPrintf("/vsimem/gmljp2/%p/my.gfs", this));
                }
            }
            else
            {
                CPLDebug("GMLJP2", "No GML driver found to read feature collection");
            }

            if( strncmp(osGMLTmpFile, "/vsicurl/", strlen("/vsicurl/")) != 0 )
                VSIUnlink(osGMLTmpFile);
            if( osXSDTmpFile.size() )
                VSIUnlink(osXSDTmpFile);
        }
    }

    // Find annotations
    psCCChildIter = psCC->psChild;
    int nAnnotations = 0;
    for( ; psCCChildIter != NULL; psCCChildIter = psCCChildIter->psNext )
    {
        if( psCCChildIter->eType != CXT_Element ||
            strcmp(psCCChildIter->pszValue, "gmljp2:featureMember") != 0 ||
            psCCChildIter->psChild == NULL ||
            psCCChildIter->psChild->eType != CXT_Element )
            continue;
        CPLXMLNode* psGCorGMLJP2Features = psCCChildIter->psChild;
        int bIsGC = ( strstr(psGCorGMLJP2Features->pszValue, "GridCoverage") != NULL );
        if( !bIsGC )
            continue;
        CPLXMLNode* psGCorGMLJP2FeaturesChildIter = psGCorGMLJP2Features->psChild;
        for( ; psGCorGMLJP2FeaturesChildIter != NULL;
               psGCorGMLJP2FeaturesChildIter = psGCorGMLJP2FeaturesChildIter->psNext )
        {
            if( psGCorGMLJP2FeaturesChildIter->eType != CXT_Element ||
                strcmp(psGCorGMLJP2FeaturesChildIter->pszValue, "gmljp2:annotation") != 0 ||
                psGCorGMLJP2FeaturesChildIter->psChild == NULL ||
                psGCorGMLJP2FeaturesChildIter->psChild->eType != CXT_Element ||
                strstr(psGCorGMLJP2FeaturesChildIter->psChild->pszValue, "kml") == NULL )
                continue;
            CPLDebug("GMLJP2", "Found a KML annotation");

            // Create temporary .kml file
            CPLXMLNode* psKML = psGCorGMLJP2FeaturesChildIter->psChild;
            CPLString osKMLTmpFile(CPLSPrintf("/vsimem/gmljp2/%p/my.kml", this));
            CPLSerializeXMLTreeToFile(psKML, osKMLTmpFile);

            GDALDataset* poTmpDS = (GDALDataset*)GDALOpenEx( osKMLTmpFile,
                                    GDAL_OF_VECTOR, NULL, NULL, NULL );
            if( poTmpDS )
            {
                int nLayers = poTmpDS->GetLayerCount();
                for(int i=0;i<nLayers;i++)
                {
                    if( poMemDS == NULL )
                        poMemDS = poMemDriver->Create("", 0, 0, 0, GDT_Unknown, NULL);
                    OGRLayer* poSrcLyr = poTmpDS->GetLayer(i);
                    const char* pszLayerName;
                    pszLayerName = CPLSPrintf("Annotation_%d_%s",
                                                ++nAnnotations, poSrcLyr->GetName());
                    poMemDS->CopyLayer(poSrcLyr, pszLayerName, NULL);
                }
                GDALClose(poTmpDS);
            }
            else
            {
                CPLDebug("GMLJP2", "No KML/LIBKML driver found to read annotation");
            }

            VSIUnlink(osKMLTmpFile);
        }
    }

    CPLDestroyXMLNode(psRoot);
}
Ejemplo n.º 3
0
int GMLReader::ResolveXlinks( const char *pszFile,
                              int* pbOutIsTempFile,
                              char **papszSkip,
                              const int bStrict)

{
    *pbOutIsTempFile = FALSE;

// Check if the original source file is set.
    if( m_pszFilename == NULL )
    {
        CPLError( CE_Failure, CPLE_NotSupported,
                  "GML source file needs to be set first with "
                  "GMLReader::SetSourceFile()." );
        return FALSE;
    }

/* -------------------------------------------------------------------- */
/*      Load the raw XML file into a XML Node tree.                     */
/* -------------------------------------------------------------------- */
    CPLXMLNode **papsSrcTree;
    papsSrcTree = (CPLXMLNode **)CPLCalloc( 2, sizeof(CPLXMLNode *));
    papsSrcTree[0] = CPLParseXMLFile( m_pszFilename );

    if( papsSrcTree[0] == NULL )
    {
        CPLFree(papsSrcTree);
        return FALSE;
    }

    //make all the URLs absolute
    CPLXMLNode *psSibling = NULL;
    for( psSibling = papsSrcTree[0]; psSibling != NULL; psSibling = psSibling->psNext )
        CorrectURLs( psSibling, m_pszFilename );

    //setup resource data structure
    char **papszResourceHREF = NULL;
    // "" is the href of the original source file
    papszResourceHREF = CSLAddString( papszResourceHREF, m_pszFilename );

    //call resolver
    CPLErr eReturned = CE_None;
    eReturned = Resolve( papsSrcTree[0], &papsSrcTree, &papszResourceHREF, papszSkip, bStrict );

    int bReturn = TRUE;
    if( eReturned != CE_Failure )
    {
        char *pszTmpName = NULL;
        int bTryWithTempFile = FALSE;
        if( EQUALN(pszFile, "/vsitar/", strlen("/vsitar/")) ||
            EQUALN(pszFile, "/vsigzip/", strlen("/vsigzip/")) ||
            EQUALN(pszFile, "/vsizip/", strlen("/vsizip/")) )
        {
            bTryWithTempFile = TRUE;
        }
        else if( !CPLSerializeXMLTreeToFile( papsSrcTree[0], pszFile ) )
        {
            CPLError( CE_Failure, CPLE_FileIO,
                      "Cannot serialize resolved file %s to %s.",
                      m_pszFilename, pszFile );
            bTryWithTempFile = TRUE;
        }

        if (bTryWithTempFile)
        {
            pszTmpName = CPLStrdup( CPLGenerateTempFilename( "ResolvedGML" ) );
            if( !CPLSerializeXMLTreeToFile( papsSrcTree[0], pszTmpName ) )
            {
                CPLError( CE_Failure, CPLE_FileIO,
                          "Cannot serialize resolved file %s to %s either.",
                          m_pszFilename, pszTmpName );
                CPLFree( pszTmpName );
                bReturn = FALSE;
            }
            else
            {
            //set the source file to the resolved file
                CPLFree( m_pszFilename );
                m_pszFilename = pszTmpName;
                *pbOutIsTempFile = TRUE;
            }
        }
        else
        {
        //set the source file to the resolved file
            CPLFree( m_pszFilename );
            m_pszFilename = CPLStrdup( pszFile );
        }
    }
    else
    {
        bReturn = FALSE;
    }

    int nItems = CSLCount( papszResourceHREF );
    CSLDestroy( papszResourceHREF );
    while( nItems > 0 )
        CPLDestroyXMLNode( papsSrcTree[--nItems] );
    CPLFree( papsSrcTree );

    return bReturn;
}
Ejemplo n.º 4
0
static
void CPLXMLSchemaResolveInclude( const char* pszMainSchemaLocation,
                                 CPLXMLNode *psSchemaNode )
{
    std::set<CPLString> osAlreadyIncluded;

    bool bTryAgain;
    do
    {
        CPLXMLNode *psLast = NULL;
        bTryAgain = false;

        CPLXMLNode *psThis = psSchemaNode->psChild;
        for( ; psThis != NULL; psThis = psThis->psNext )
        {
            if( psThis->eType == CXT_Element &&
                EQUAL(psThis->pszValue,"include") )
            {
                const char* pszSchemaLocation =
                        CPLGetXMLValue(psThis, "schemaLocation", NULL);
                if( pszSchemaLocation != NULL &&
                    osAlreadyIncluded.count( pszSchemaLocation) == 0 )
                {
                    osAlreadyIncluded.insert( pszSchemaLocation );

                    if( !STARTS_WITH(pszSchemaLocation, "http://") &&
                        !STARTS_WITH(pszSchemaLocation, "https://") &&
                        CPLIsFilenameRelative(pszSchemaLocation ) )
                    {
                        pszSchemaLocation = CPLFormFilename(
                            CPLGetPath(pszMainSchemaLocation), pszSchemaLocation, NULL );
                    }

                    CPLXMLNode *psIncludedXSDTree =
                                GMLParseXMLFile( pszSchemaLocation );
                    if( psIncludedXSDTree != NULL )
                    {
                        CPLStripXMLNamespace( psIncludedXSDTree, NULL, TRUE );
                        CPLXMLNode *psIncludedSchemaNode =
                                CPLGetXMLNode( psIncludedXSDTree, "=schema" );
                        if( psIncludedSchemaNode != NULL )
                        {
                            /* Substitute de <include> node by its content */
                            CPLXMLNode* psFirstChildElement =
                                CPLGetFirstChildNode(psIncludedSchemaNode);
                            if( psFirstChildElement != NULL )
                            {
                                CPLXMLNode* psCopy = CPLCloneXMLTree(psFirstChildElement);
                                if( psLast != NULL )
                                    psLast->psNext = psCopy;
                                else
                                    psSchemaNode->psChild = psCopy;
                                CPLXMLNode* psNext = psThis->psNext;
                                psThis->psNext = NULL;
                                CPLDestroyXMLNode(psThis);
                                psThis = CPLGetLastNode(psCopy);
                                psThis->psNext = psNext;

                                /* In case the included schema also contains */
                                /* includes */
                                bTryAgain = true;
                            }

                        }
                        CPLDestroyXMLNode( psIncludedXSDTree );
                    }
                }
            }

            psLast = psThis;
        }
    } while( bTryAgain );

    const char* pszSchemaOutputName =
        CPLGetConfigOption("GML_SCHEMA_OUTPUT_NAME", NULL);
    if( pszSchemaOutputName != NULL )
    {
        CPLSerializeXMLTreeToFile( psSchemaNode, pszSchemaOutputName );
    }
}
Ejemplo n.º 5
0
CPLErr GDALPamDataset::TrySaveXML()

{
    CPLXMLNode *psTree;
    CPLErr eErr = CE_None;

    nPamFlags &= ~GPF_DIRTY;

    if( psPam == NULL || (nPamFlags & GPF_NOSAVE) )
        return CE_None;

/* -------------------------------------------------------------------- */
/*      Make sure we know the filename we want to store in.             */
/* -------------------------------------------------------------------- */
    if( !BuildPamFilename() )
        return CE_None;

/* -------------------------------------------------------------------- */
/*      Build the XML representation of the auxilary metadata.          */
/* -------------------------------------------------------------------- */
    CPLString osVRTPath = CPLGetPath(psPam->pszPamFilename);

    psTree = SerializeToXML( osVRTPath );

    if( psTree == NULL )
        return CE_None;

/* -------------------------------------------------------------------- */
/*      If we are working with a subdataset, we need to integrate       */
/*      the subdataset tree within the whole existing pam tree,         */
/*      after removing any old version of the same subdataset.          */
/* -------------------------------------------------------------------- */
    if( psPam->osSubdatasetName.size() != 0 )
    {
        CPLXMLNode *psOldTree, *psSubTree;

        CPLErrorReset();
        CPLPushErrorHandler( CPLQuietErrorHandler );
        psOldTree = CPLParseXMLFile( psPam->pszPamFilename );
        CPLPopErrorHandler();

        if( psOldTree == NULL )
            psOldTree = CPLCreateXMLNode( NULL, CXT_Element, "PAMDataset" );

        for( psSubTree = psTree->psChild; 
             psSubTree != NULL;
             psSubTree = psSubTree->psNext )
        {
            if( psSubTree->eType != CXT_Element
                || !EQUAL(psSubTree->pszValue,"Subdataset") )
                continue;

            if( !EQUAL(CPLGetXMLValue( psSubTree, "name", "" ),
                       psPam->osSubdatasetName) )
                continue;

            break;
        }

        if( psSubTree == NULL )
        {
            psSubTree = CPLCreateXMLNode( psOldTree, CXT_Element, 
                                          "Subdataset" );
            CPLCreateXMLNode( 
                CPLCreateXMLNode( psSubTree, CXT_Attribute, "name" ),
                CXT_Text, psPam->osSubdatasetName );
        }
        
        CPLXMLNode *psOldPamDataset = CPLGetXMLNode( psSubTree, "PAMDataset");
        if( psOldPamDataset != NULL )
        {
            CPLRemoveXMLChild( psSubTree, psOldPamDataset );
            CPLDestroyXMLNode( psOldPamDataset );
        }

        CPLAddXMLChild( psSubTree, psTree );
        psTree = psOldTree;
    }

/* -------------------------------------------------------------------- */
/*      Try saving the auxilary metadata.                               */
/* -------------------------------------------------------------------- */
    const char *pszNewPam;
    int bSaved;
    
    CPLPushErrorHandler( CPLQuietErrorHandler );
    bSaved = CPLSerializeXMLTreeToFile( psTree, psPam->pszPamFilename );
    CPLPopErrorHandler();

/* -------------------------------------------------------------------- */
/*      If it fails, check if we have a proxy directory for auxilary    */
/*      metadata to be stored in, and try to save there.                */
/* -------------------------------------------------------------------- */
    if( bSaved )
        eErr = CE_None;
    else if( PamGetProxy(GetDescription()) == NULL 
             && ((pszNewPam = PamAllocateProxy(GetDescription())) != NULL))
    {
        CPLErrorReset();
        CPLFree( psPam->pszPamFilename );
        psPam->pszPamFilename = CPLStrdup(pszNewPam);
        eErr = TrySaveXML();
    }
    else
    {
        CPLError( CE_Warning, CPLE_AppDefined, 
                  "Unable to save auxilary information in %s.",
                  psPam->pszPamFilename );
        eErr = CE_Warning;
    }
    
/* -------------------------------------------------------------------- */
/*      Cleanup                                                         */
/* -------------------------------------------------------------------- */
    CPLDestroyXMLNode( psTree );

    return eErr;
}
Ejemplo n.º 6
0
GDALDataset *ISCEDataset::Create( const char *pszFilename,
                                    int nXSize, int nYSize, int nBands,
                                    GDALDataType eType,
                                    char **papszOptions )
{
    const char *sType = GDALGetDataTypeName( eType );
    const char *sScheme = CSLFetchNameValueDef( papszOptions,
                                                "SCHEME",
                                                "BIP" );

/* -------------------------------------------------------------------- */
/*      Try to create the file.                                         */
/* -------------------------------------------------------------------- */
    VSILFILE *fp = VSIFOpenL( pszFilename, "wb" );
    if( fp == NULL )
    {
        CPLError( CE_Failure, CPLE_OpenFailed,
                  "Attempt to create file `%s' failed.\n",
                  pszFilename );
        return NULL;
    }

/* -------------------------------------------------------------------- */
/*      Just write out a couple of bytes to establish the binary        */
/*      file, and then close it.                                        */
/* -------------------------------------------------------------------- */
    CPL_IGNORE_RET_VAL(VSIFWriteL( (void *) "\0\0", 2, 1, fp ));
    CPL_IGNORE_RET_VAL(VSIFCloseL( fp ));

/* -------------------------------------------------------------------- */
/*      Create a minimal XML document.                                  */
/* -------------------------------------------------------------------- */
    CPLXMLNode *psDocNode = CPLCreateXMLNode( NULL, CXT_Element, "imageFile" );

    CPLXMLNode *psTmpNode
        = CPLCreateXMLNode( psDocNode, CXT_Element, "property" );
    CPLAddXMLAttributeAndValue( psTmpNode, "name", "WIDTH" );
    char sBuf[64];
    snprintf(sBuf, sizeof(sBuf), "%d", nXSize);
    CPLCreateXMLElementAndValue( psTmpNode, "value", sBuf );

    psTmpNode = CPLCreateXMLNode( psDocNode, CXT_Element, "property" );
    CPLAddXMLAttributeAndValue( psTmpNode, "name", "LENGTH" );
    snprintf(sBuf, sizeof(sBuf), "%d", nYSize);
    CPLCreateXMLElementAndValue( psTmpNode, "value", sBuf );

    psTmpNode = CPLCreateXMLNode( psDocNode, CXT_Element, "property" );
    CPLAddXMLAttributeAndValue( psTmpNode, "name", "NUMBER_BANDS" );
    snprintf(sBuf, sizeof(sBuf), "%d", nBands);
    CPLCreateXMLElementAndValue( psTmpNode, "value", sBuf );

    psTmpNode = CPLCreateXMLNode( psDocNode, CXT_Element, "property" );
    CPLAddXMLAttributeAndValue( psTmpNode, "name", "DATA_TYPE" );
    CPLCreateXMLElementAndValue( psTmpNode, "value",
                                 CSLFetchNameValue(
                                         (char **)apszGDAL2ISCEDatatypes,
                                         sType ));

    psTmpNode = CPLCreateXMLNode( psDocNode, CXT_Element, "property" );
    CPLAddXMLAttributeAndValue( psTmpNode, "name", "SCHEME" );
    CPLCreateXMLElementAndValue( psTmpNode, "value", sScheme );

    psTmpNode = CPLCreateXMLNode( psDocNode, CXT_Element, "property" );
    CPLAddXMLAttributeAndValue( psTmpNode, "name", "BYTE_ORDER" );
#ifdef CPL_LSB
    CPLCreateXMLElementAndValue( psTmpNode, "value", "l" );
#else
    CPLCreateXMLElementAndValue( psTmpNode, "value", "b" );
#endif

/* -------------------------------------------------------------------- */
/*      Write the XML file.                                             */
/* -------------------------------------------------------------------- */
    const char  *pszXMLFilename = CPLFormFilename( NULL, pszFilename, "xml" );
    CPLSerializeXMLTreeToFile( psDocNode, pszXMLFilename );

/* -------------------------------------------------------------------- */
/*      Free the XML Doc.                                               */
/* -------------------------------------------------------------------- */
    CPLDestroyXMLNode( psDocNode );

    return (GDALDataset *) GDALOpen( pszFilename, GA_Update );
}
Ejemplo n.º 7
0
void ISCEDataset::FlushCache( void )
{
    RawDataset::FlushCache();

    GDALRasterBand *band = (GetRasterCount() > 0) ? GetRasterBand(1) : NULL;

    if ( eAccess == GA_ReadOnly || band == NULL )
        return;

/* -------------------------------------------------------------------- */
/*      Recreate a XML doc with the dataset information.                */
/* -------------------------------------------------------------------- */
    char sBuf[64];
    CPLXMLNode *psDocNode = CPLCreateXMLNode( NULL, CXT_Element, "imageFile" );

    CPLXMLNode *psTmpNode
        = CPLCreateXMLNode( psDocNode, CXT_Element, "property" );
    CPLAddXMLAttributeAndValue( psTmpNode, "name", "WIDTH" );
    snprintf(sBuf, sizeof(sBuf), "%d", nRasterXSize);
    CPLCreateXMLElementAndValue( psTmpNode, "value", sBuf );

    psTmpNode = CPLCreateXMLNode( psDocNode, CXT_Element, "property" );
    CPLAddXMLAttributeAndValue( psTmpNode, "name", "LENGTH" );
    snprintf(sBuf, sizeof(sBuf), "%d", nRasterYSize);
    CPLCreateXMLElementAndValue( psTmpNode, "value", sBuf );

    psTmpNode = CPLCreateXMLNode( psDocNode, CXT_Element, "property" );
    CPLAddXMLAttributeAndValue( psTmpNode, "name", "NUMBER_BANDS" );
    snprintf(sBuf, sizeof(sBuf), "%d", nBands);
    CPLCreateXMLElementAndValue( psTmpNode, "value", sBuf );

    const char *sType = GDALGetDataTypeName( band->GetRasterDataType() );
    psTmpNode = CPLCreateXMLNode( psDocNode, CXT_Element, "property" );
    CPLAddXMLAttributeAndValue( psTmpNode, "name", "DATA_TYPE" );
    CPLCreateXMLElementAndValue( psTmpNode, "value",
                                 CSLFetchNameValue(
                                         (char **)apszGDAL2ISCEDatatypes,
                                         sType ) );

    const char *sScheme = apszSchemeNames[eScheme];
    psTmpNode = CPLCreateXMLNode( psDocNode, CXT_Element, "property" );
    CPLAddXMLAttributeAndValue( psTmpNode, "name", "SCHEME" );
    CPLCreateXMLElementAndValue( psTmpNode, "value", sScheme );

    psTmpNode = CPLCreateXMLNode( psDocNode, CXT_Element, "property" );
    CPLAddXMLAttributeAndValue( psTmpNode, "name", "BYTE_ORDER" );
#ifdef CPL_LSB
    CPLCreateXMLElementAndValue( psTmpNode, "value", "l" );
#else
    CPLCreateXMLElementAndValue( psTmpNode, "value", "b" );
#endif

/* -------------------------------------------------------------------- */
/*      Then, add the ISCE domain metadata.                             */
/* -------------------------------------------------------------------- */
    char **papszISCEMetadata = GetMetadata( "ISCE" );
    for (int i = 0; i < CSLCount( papszISCEMetadata ); i++)
    {
        /* Get the tokens from the metadata item */
        char **papszTokens = CSLTokenizeString2( papszISCEMetadata[i],
                                                 "=",
                                                 CSLT_STRIPLEADSPACES
                                                 | CSLT_STRIPENDSPACES);
        if ( CSLCount( papszTokens ) != 2 )
        {
            CPLDebug( "ISCE",
                      "Line of header file could not be split at = into two"
                          " elements: %s",
                      papszISCEMetadata[i] );
            CSLDestroy( papszTokens );
            continue;
        }

        /* Don't write it out if it is one of the bits of metadata that is
         * written out elsewhere in this routine */
        if ( strcmp( papszTokens[0], "WIDTH" ) == 0
              || strcmp( papszTokens[0], "LENGTH" ) == 0
              || strcmp( papszTokens[0], "NUMBER_BANDS" ) == 0
              || strcmp( papszTokens[0], "DATA_TYPE" ) == 0
              || strcmp( papszTokens[0], "SCHEME" ) == 0
              || strcmp( papszTokens[0], "BYTE_ORDER" ) == 0 )
        {
            CSLDestroy( papszTokens );
            continue;
        }

        psTmpNode = CPLCreateXMLNode( psDocNode, CXT_Element, "property" );
        CPLAddXMLAttributeAndValue( psTmpNode, "name", papszTokens[0] );
        CPLCreateXMLElementAndValue( psTmpNode, "value", papszTokens[1] );

        CSLDestroy( papszTokens );
    }

/* -------------------------------------------------------------------- */
/*      Write the XML file.                                             */
/* -------------------------------------------------------------------- */
    CPLSerializeXMLTreeToFile( psDocNode, pszXMLFilename );

/* -------------------------------------------------------------------- */
/*      Free the XML Doc.                                               */
/* -------------------------------------------------------------------- */
    CPLDestroyXMLNode( psDocNode );
}