Пример #1
0
void ERSHdrNode::Set( const char *pszPath, const char *pszValue )

{
    CPLString  osPath = pszPath;
    int iDot;
    
    iDot = osPath.find_first_of('.');

/* -------------------------------------------------------------------- */
/*      We have an intermediate node, find or create it and             */
/*      recurse.                                                        */
/* -------------------------------------------------------------------- */
    if( iDot != -1 )
    {
        CPLString osPathFirst = osPath.substr(0,iDot);
        CPLString osPathRest = osPath.substr(iDot+1);
        ERSHdrNode *poFirst = FindNode( osPathFirst );
        
        if( poFirst == NULL )
        {
            poFirst = new ERSHdrNode();
            
            MakeSpace();
            papszItemName[nItemCount] = CPLStrdup(osPathFirst);
            papszItemValue[nItemCount] = NULL;
            papoItemChild[nItemCount] = poFirst;
            nItemCount++;
        }

        poFirst->Set( osPathRest, pszValue );
        return;
    }

/* -------------------------------------------------------------------- */
/*      This is the final item name.  Find or create it.                */
/* -------------------------------------------------------------------- */
    int i;

    for( i = 0; i < nItemCount; i++ )
    {
        if( EQUAL(osPath,papszItemName[i]) 
            && papszItemValue[i] != NULL )
        {
            CPLFree( papszItemValue[i] );
            papszItemValue[i] = CPLStrdup( pszValue );
            return;
        }
    }

    MakeSpace();
    papszItemName[nItemCount] = CPLStrdup(osPath);
    papszItemValue[nItemCount] = CPLStrdup(pszValue);
    papoItemChild[nItemCount] = NULL;
    nItemCount++;
}
Пример #2
0
int ERSHdrNode::ParseChildren( VSILFILE * fp, int nRecLevel )

{
    if( nRecLevel == 100 ) // arbitrary limit
    {
        CPLError(CE_Failure, CPLE_AppDefined,
                 "Too many recursion level while parsing .ers header");
        return false;
    }

    while( true )
    {
/* -------------------------------------------------------------------- */
/*      Read the next line (or multi-line for bracketed value).         */
/* -------------------------------------------------------------------- */
        CPLString osLine;

        if( !ReadLine( fp, osLine ) )
            return FALSE;

/* -------------------------------------------------------------------- */
/*      Got a Name=Value.                                               */
/* -------------------------------------------------------------------- */
        size_t iOff;

        if( (iOff = osLine.find_first_of( '=' )) != std::string::npos )
        {
            CPLString osName = osLine.substr(0,iOff-1);
            osName.Trim();

            CPLString osValue = osLine.c_str() + iOff + 1;
            osValue.Trim();

            MakeSpace();
            papszItemName[nItemCount] = CPLStrdup(osName);
            papszItemValue[nItemCount] = CPLStrdup(osValue);
            papoItemChild[nItemCount] = nullptr;

            nItemCount++;
        }

/* -------------------------------------------------------------------- */
/*      Got a Begin for an object.                                      */
/* -------------------------------------------------------------------- */
        else if( (iOff = osLine.ifind( " Begin" )) != std::string::npos )
        {
            CPLString osName = osLine.substr(0,iOff);
            osName.Trim();

            MakeSpace();
            papszItemName[nItemCount] = CPLStrdup(osName);
            papszItemValue[nItemCount] = nullptr;
            papoItemChild[nItemCount] = new ERSHdrNode();

            nItemCount++;

            if( !papoItemChild[nItemCount-1]->ParseChildren( fp, nRecLevel + 1 ) )
                return FALSE;
        }

/* -------------------------------------------------------------------- */
/*      Got an End for our object.  Well, at least we *assume* it       */
/*      must be for our object.                                         */
/* -------------------------------------------------------------------- */
        else if( osLine.ifind( " End" ) != std::string::npos )
        {
            return TRUE;
        }

/* -------------------------------------------------------------------- */
/*      Error?                                                          */
/* -------------------------------------------------------------------- */
        else if( osLine.Trim().length() > 0 )
        {
            CPLError( CE_Failure, CPLE_AppDefined,
                      "Unexpected line parsing .ecw:\n%s",
                      osLine.c_str() );
            return FALSE;
        }
    }
}
Пример #3
0
int ERSHdrNode::ParseChildren( VSILFILE * fp )

{
    while( TRUE )
    { 
        size_t iOff;
        CPLString osLine;

/* -------------------------------------------------------------------- */
/*      Read the next line (or multi-line for bracketed value).         */
/* -------------------------------------------------------------------- */
        if( !ReadLine( fp, osLine ) )
            return FALSE;

/* -------------------------------------------------------------------- */
/*      Got a Name=Value.                                               */
/* -------------------------------------------------------------------- */
        if( (iOff = osLine.find_first_of( '=' )) != std::string::npos )
        {
            CPLString osName = osLine.substr(0,iOff-1);
            osName.Trim();

            CPLString osValue = osLine.c_str() + iOff + 1;
            osValue.Trim();

            MakeSpace();
            papszItemName[nItemCount] = CPLStrdup(osName);
            papszItemValue[nItemCount] = CPLStrdup(osValue);
            papoItemChild[nItemCount] = NULL;

            nItemCount++;
        }

/* -------------------------------------------------------------------- */
/*      Got a Begin for an object.                                      */
/* -------------------------------------------------------------------- */
        else if( (iOff = osLine.ifind( " Begin" )) != std::string::npos )
        {
            CPLString osName = osLine.substr(0,iOff);
            osName.Trim();
            
            MakeSpace();
            papszItemName[nItemCount] = CPLStrdup(osName);
            papszItemValue[nItemCount] = NULL;
            papoItemChild[nItemCount] = new ERSHdrNode();

            nItemCount++;
            
            if( !papoItemChild[nItemCount-1]->ParseChildren( fp ) )
                return FALSE;
        }

/* -------------------------------------------------------------------- */
/*      Got an End for our object.  Well, at least we *assume* it       */
/*      must be for our object.                                         */
/* -------------------------------------------------------------------- */
        else if( osLine.ifind( " End" ) != std::string::npos )
        {
            return TRUE;
        }

/* -------------------------------------------------------------------- */
/*      Error?                                                          */
/* -------------------------------------------------------------------- */
        else if( osLine.Trim().length() > 0 )
        {
            CPLError( CE_Failure, CPLE_AppDefined, 
                      "Unexpected line parsing .ecw:\n%s", 
                      osLine.c_str() );
            return FALSE;
        }
    }
}