/ray/src/lib/message/handler_console.cc

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/*
 * lib/message/handler_console.cc
 * 
 * Message handling "system" for errors, warnings and verbose messages. 
 * This is the (UNIX default) console message handler. 
 * 
 * Copyright (c) 2004 by Wolfgang Wieser ] wwieser (a) gmx <*> de [ 
 * 
 * This file may be distributed and/or modified under the terms of the 
 * GNU General Public License version 2 as published by the Free Software 
 * Foundation. (See COPYING.GPL for details.)
 * 
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 * 
 */

#include "handler_console.h"

#include <stdio.h>   /* OKAY here :) */


void MessageHandler_Console::HandleMessage(const Message &m)
{
    FILE *out;
    if(m.type() & Message::MTAllNonDebug)
    {  out=stderr;  }
    else
    {  out=stdout;  }
    
    if(use_color)
    {
        if(m.type() & (Message::MTError | Message::MTFatal))
        {  fprintf(out,"\33[1;31m");  }    // start error color
        else if(m.type() & Message::MTWarning)
        {  fprintf(out,"\33[0;31m");  }    // start warning color
    }
    
    const char *mtype="";
    if(m.type() & Message::MTFatal)  mtype="fatal: ";
    else if(m.type() & Message::MTError)  mtype="error: ";
    else if(m.type() & Message::MTWarning)  mtype="warning: ";
    
    // Dump message (with location (range) if present). 
    if(m.LocationRange().loc1)
    {
        fprintf(out,"%s: %s%s\n",
            m.LocationRange().RangeString().str(),
            mtype,
            m.msg().str());
    }
    else if(m.location())
    {
        fprintf(out,"%s: %s%s\n",
            m.location().LocString().str(),
            mtype,
            m.msg().str());
    }
    else
    {
        fprintf(out,"%s%s\n",mtype,m.msg().str());
    }
    
    if(use_color)
    {
        if(m.type() & (Message::MTError | Message::MTFatal))
        {  fprintf(out,"\33[00m");  }    // end error color
        else if(m.type() & Message::MTWarning)
        {  fprintf(out,"\33[00m");  }    // end warning color
    }
}


MessageHandler_Console::MessageHandler_Console(Message::Type mtmask,
    int _use_color) : 
    use_color(_use_color)
{
    SelectMessageTypes(mtmask);
}

MessageHandler_Console::~MessageHandler_Console()
{
    // It's better to select none before unregistering. 
    SelectMessageTypes(Message::MTNone);
}

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