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/*
* Copyright 2002 Red Hat Inc., Durham, North Carolina.
*
* 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 on 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
* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR 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.
*/
/*
* Authors:
* Rickard E. (Rik) Faith <faith@redhat.com>
*/
/** \file
* This file provides some compatibility support for reading VDL files
* that are used by xmovie
* (http://www.llnl.gov/icc/sdd/img/xmovie/xmovie.shtml).
*
* This file is not used by the DMX server.
*/
#ifdef HAVE_DMX_CONFIG_H
#include <dmx-config.h>
#endif
#include "os.h"
#include "dmxconfig.h"
#include "dmxparse.h"
#include "dmxcompat.h"
#include "parser.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
static int
dmxVDLReadLine(FILE * str, char *buf, int len)
{
if (fgets(buf, len, str))
return strlen(buf);
return 0;
}
static int
dmxVDLCount(const char *buf)
{
return strtol(buf, NULL, 10);
}
static void
dmxVDLVirtualEntry(const char *buf, char *name, int *len, int *x, int *y)
{
char *end;
const char *s;
char *d;
int start;
*x = strtol(buf, &end, 10);
*y = strtol(end, &end, 10);
for (s = end, d = name, start = 1; *s && *s != '['; ++s) {
if (start && isspace(*s))
continue;
*d++ = *s;
start = 0;
}
*d = '\0';
while (d > name && isspace(d[-1]))
*--d = '\0'; /* remove trailing space */
*len = strlen(name);
}
static void
dmxVDLDisplayEntry(const char *buf,
char *name, int *len,
int *x, int *y, int *xoff, int *yoff, int *xorig, int *yorig)
{
const char *pt;
char *end;
pt = strchr(buf, ' ');
strlcpy(name, buf, 1 + pt - buf);
*len = strlen(name);
*x = strtol(pt, &end, 10);
*y = strtol(end, &end, 10);
*xorig = strtol(end, &end, 10);
*yorig = strtol(end, &end, 10);
*xoff = strtol(end, &end, 10);
*yoff = strtol(end, NULL, 10);
}
/** Read from the VDL format \a filename and return a newly allocated \a
* DMXConfigEntryPtr */
DMXConfigEntryPtr
dmxVDLRead(const char *filename)
{
FILE *str;
char buf[2048]; /* RATS: Use ok */
char *pt;
int lineno = 0;
DMXConfigEntryPtr entry = NULL;
DMXConfigVirtualPtr virtual = NULL;
DMXConfigSubPtr sub = NULL;
DMXConfigDisplayPtr display = NULL;
DMXConfigFullDimPtr fdim = NULL;
int vcount = 0;
int dcount = 0;
int icount = 0;
int x, y, xoff, yoff, xorig, yorig;
char name[2048]; /* RATS: Use ok */
const char *tmp;
int len;
enum {
simulateFlag,
virtualCount,
virtualEntry,
displayCount,
displayEntry,
ignoreCount,
ignoreEntry
} state = simulateFlag;
if (!filename)
str = stdin;
else
str = fopen(filename, "r");
if (!str)
return NULL;
while (dmxVDLReadLine(str, buf, sizeof(buf))) {
DMXConfigCommentPtr comment = NULL;
++lineno;
for (pt = buf; *pt; pt++)
if (*pt == '\r' || *pt == '\n') {
*pt = '\0';
break;
}
if (buf[0] == '#') {
tmp = dmxConfigCopyString(buf + 1, strlen(buf + 1));
comment = dmxConfigCreateComment(T_COMMENT, lineno, tmp);
entry = dmxConfigAddEntry(entry, dmxConfigComment, comment, NULL);
continue;
}
switch (state) {
case simulateFlag:
state = virtualCount;
break;
case virtualCount:
vcount = dmxVDLCount(buf);
state = virtualEntry;
break;
case virtualEntry:
len = sizeof(name);
dmxVDLVirtualEntry(buf, name, &len, &x, &y);
tmp = dmxConfigCopyString(name, len);
virtual = dmxConfigCreateVirtual(NULL,
dmxConfigCreateString(T_STRING,
lineno,
NULL,
tmp),
dmxConfigCreatePair(T_DIMENSION,
lineno,
NULL,
x, y, 0, 0),
NULL, NULL, NULL);
state = displayCount;
break;
case displayCount:
dcount = dmxVDLCount(buf);
state = displayEntry;
break;
case displayEntry:
dmxVDLDisplayEntry(buf, name, &len, &x, &y, &xoff, &yoff,
&xorig, &yorig);
tmp = dmxConfigCopyString(name, len);
fdim =
dmxConfigCreateFullDim(dmxConfigCreatePartDim
(dmxConfigCreatePair
(T_DIMENSION, lineno, NULL, x, y, 0, 0),
dmxConfigCreatePair(T_OFFSET, lineno,
NULL, xoff, yoff,
xoff, yoff)), NULL);
display =
dmxConfigCreateDisplay(NULL,
dmxConfigCreateString(T_STRING, lineno,
NULL, tmp), fdim,
dmxConfigCreatePair(T_ORIGIN, lineno,
NULL, xorig, yorig,
0, 0), NULL);
sub = dmxConfigAddSub(sub, dmxConfigSubDisplay(display));
if (!--dcount) {
state = ignoreCount;
virtual->subentry = sub;
entry = dmxConfigAddEntry(entry,
dmxConfigVirtual, NULL, virtual);
virtual = NULL;
sub = NULL;
}
break;
case ignoreCount:
icount = dmxVDLCount(buf);
state = ignoreEntry;
break;
case ignoreEntry:
if (!--icount)
state = virtualEntry;
break;
}
}
if (str != stdin)
fclose(str);
return entry;
}
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