src/base/io/ioWriteGml.c

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#include "io.h"



void Io_WriteGml( Abc_Ntk_t * pNtk, char * pFileName )
{
    FILE * pFile;
    Abc_Obj_t * pObj, * pFanin;
    int i, k;

    assert( Abc_NtkIsStrash(pNtk) || Abc_NtkIsLogic(pNtk)  );

    // start the output stream
    pFile = fopen( pFileName, "w" );
    if ( pFile == NULL )
    {
        fprintf( stdout, "Io_WriteGml(): Cannot open the output file \"%s\".\n", pFileName );
        return;
    }
    fprintf( pFile, "# GML for \"%s\" written by ABC on %s\n", pNtk->pName, Extra_TimeStamp() );
        fprintf( pFile, "graph [\n" );

    // output the POs
    fprintf( pFile, "\n" );
    Abc_NtkForEachPo( pNtk, pObj, i )
    {
        fprintf( pFile, "    node [ id %5d label \"%s\"\n", pObj->Id, Abc_ObjName(pObj) );
        fprintf( pFile, "        graphics [ type \"triangle\" fill \"#00FFFF\" ]\n" );   // blue
        fprintf( pFile, "    ]\n" );
    }
    // output the PIs
    fprintf( pFile, "\n" );
    Abc_NtkForEachPi( pNtk, pObj, i )
    {
        fprintf( pFile, "    node [ id %5d label \"%s\"\n", pObj->Id, Abc_ObjName(pObj) );
        fprintf( pFile, "        graphics [ type \"triangle\" fill \"#00FF00\" ]\n" );   // green
        fprintf( pFile, "    ]\n" );
    }
    // output the latches
    fprintf( pFile, "\n" );
    Abc_NtkForEachLatch( pNtk, pObj, i )
    {
        fprintf( pFile, "    node [ id %5d label \"%s\"\n", pObj->Id, Abc_ObjName(pObj) );
        fprintf( pFile, "        graphics [ type \"rectangle\" fill \"#FF0000\" ]\n" );   // red
        fprintf( pFile, "    ]\n" );
    }
    // output the nodes
    fprintf( pFile, "\n" );
    Abc_NtkForEachNode( pNtk, pObj, i )
    {
        fprintf( pFile, "    node [ id %5d label \"%s\"\n", pObj->Id, Abc_ObjName(pObj) );
        fprintf( pFile, "        graphics [ type \"ellipse\" fill \"#CCCCFF\" ]\n" );     // grey
        fprintf( pFile, "    ]\n" );
    }

    // output the edges
    fprintf( pFile, "\n" );
    Abc_NtkForEachObj( pNtk, pObj, i )
    {
        Abc_ObjForEachFanin( pObj, pFanin, k )
        {
            fprintf( pFile, "    edge [ source %5d   target %5d\n", pObj->Id, pFanin->Id );
            fprintf( pFile, "        graphics [ type \"line\" arrow \"first\" ]\n" );
            fprintf( pFile, "    ]\n" );
        }
    }

        fprintf( pFile, "]\n" );
        fprintf( pFile, "\n" );
        fclose( pFile );
}

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