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/* DRI.c -- DRI Section in XF86Config file
* Created: Fri Mar 19 08:40:22 1999 by faith@precisioninsight.com
* Revised: Thu Jun 17 16:08:05 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*
*/
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include "xf86Parser.h"
#include "xf86tokens.h"
#include "Configint.h"
extern LexRec val;
static xf86ConfigSymTabRec DRITab[] =
{
{ENDSECTION, "endsection"},
{GROUP, "group"},
{BUFFERS, "buffers"},
{MODE, "mode"},
{-1, ""},
};
#define CLEANUP xf86freeBuffersList
static void
xf86freeBuffersList (XF86ConfBuffersPtr ptr)
{
XF86ConfBuffersPtr prev;
while (ptr) {
TestFree (ptr->buf_flags);
TestFree (ptr->buf_comment);
prev = ptr;
ptr = ptr->list.next;
free (prev);
}
}
static XF86ConfBuffersPtr
xf86parseBuffers (void)
{
int token;
parsePrologue (XF86ConfBuffersPtr, XF86ConfBuffersRec)
if (xf86getSubToken (&(ptr->buf_comment)) != NUMBER)
Error ("Buffers count expected", NULL);
ptr->buf_count = val.num;
if (xf86getSubToken (&(ptr->buf_comment)) != NUMBER)
Error ("Buffers size expected", NULL);
ptr->buf_size = val.num;
if ((token = xf86getSubToken (&(ptr->buf_comment))) == STRING) {
ptr->buf_flags = val.str;
if ((token = xf86getToken (NULL)) == COMMENT)
ptr->buf_comment = xf86addComment(ptr->buf_comment, val.str);
else
xf86unGetToken(token);
}
#ifdef DEBUG
printf ("Buffers parsed\n");
#endif
return ptr;
}
#undef CLEANUP
#define CLEANUP xf86freeDRI
XF86ConfDRIPtr
xf86parseDRISection (void)
{
int token;
parsePrologue (XF86ConfDRIPtr, XF86ConfDRIRec);
/* Zero is a valid value for this. */
ptr->dri_group = -1;
while ((token = xf86getToken (DRITab)) != ENDSECTION) {
switch (token)
{
case GROUP:
if ((token = xf86getSubToken (&(ptr->dri_comment))) == STRING)
ptr->dri_group_name = val.str;
else if (token == NUMBER)
ptr->dri_group = val.num;
else
Error (GROUP_MSG, NULL);
break;
case MODE:
if (xf86getSubToken (&(ptr->dri_comment)) != NUMBER)
Error (NUMBER_MSG, "Mode");
if (val.numType != PARSE_OCTAL)
Error (MUST_BE_OCTAL_MSG, val.num);
ptr->dri_mode = val.num;
break;
case BUFFERS:
HANDLE_LIST (dri_buffers_lst, xf86parseBuffers,
XF86ConfBuffersPtr);
break;
case EOF_TOKEN:
Error (UNEXPECTED_EOF_MSG, NULL);
break;
case COMMENT:
ptr->dri_comment = xf86addComment(ptr->dri_comment, val.str);
break;
default:
Error (INVALID_KEYWORD_MSG, xf86tokenString ());
break;
}
}
#ifdef DEBUG
ErrorF("DRI section parsed\n");
#endif
return ptr;
}
#undef CLEANUP
void
xf86printDRISection (FILE * cf, XF86ConfDRIPtr ptr)
{
XF86ConfBuffersPtr bufs;
if (ptr == NULL)
return;
fprintf (cf, "Section \"DRI\"\n");
if (ptr->dri_comment)
fprintf (cf, "%s", ptr->dri_comment);
if (ptr->dri_group_name)
fprintf (cf, "\tGroup \"%s\"\n", ptr->dri_group_name);
else if (ptr->dri_group >= 0)
fprintf (cf, "\tGroup %d\n", ptr->dri_group);
if (ptr->dri_mode)
fprintf (cf, "\tMode 0%o\n", ptr->dri_mode);
for (bufs = ptr->dri_buffers_lst; bufs; bufs = bufs->list.next) {
fprintf (cf, "\tBuffers %d %d",
bufs->buf_count, bufs->buf_size);
if (bufs->buf_flags) fprintf (cf, " \"%s\"", bufs->buf_flags);
if (bufs->buf_comment)
fprintf(cf, "%s", bufs->buf_comment);
else
fprintf (cf, "\n");
}
fprintf (cf, "EndSection\n\n");
}
void
xf86freeDRI (XF86ConfDRIPtr ptr)
{
if (ptr == NULL)
return;
xf86freeBuffersList (ptr->dri_buffers_lst);
TestFree (ptr->dri_comment);
free (ptr);
}
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