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/*************************************************************************
* Copyright (c) 2011 AT&T Intellectual Property
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-v10.html
*
* Contributors: Details at https://graphviz.org
*************************************************************************/
#include "../tcl-compat.h"
#include <tcl.h>
#include <gvc/gvc.h>
#include <gvc/gvplugin.h>
#include <gvc/gvcjob.h>
#include <gvc/gvcint.h>
#include "gv_channel.h"
static size_t gv_string_writer(GVJ_t *job, const char *s, size_t len)
{
// clamp to TCL_SIZE_MAX
const Tcl_Size l = len > TCL_SIZE_MAX ? TCL_SIZE_MAX : (Tcl_Size)len;
Tcl_AppendToObj((Tcl_Obj*)(job->output_file), s, l);
return (size_t)l;
}
static size_t gv_channel_writer(GVJ_t *job, const char *s, size_t len)
{
// clamp to TCL_SIZE_MAX
const Tcl_Size l = len > TCL_SIZE_MAX ? TCL_SIZE_MAX : (Tcl_Size)len;
return (size_t)Tcl_Write((Tcl_Channel)(job->output_file), s, l);
}
void gv_string_writer_init(GVC_t *gvc)
{
gvc->write_fn = gv_string_writer;
}
void gv_channel_writer_init(GVC_t *gvc)
{
gvc->write_fn = gv_channel_writer;
}
void gv_writer_reset (GVC_t *gvc) {gvc->write_fn = NULL;}
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