xenocara/lib/libXpm/cxpm/cxpm.c
2006-11-25 17:32:04 +00:00

156 lines
4.2 KiB
C

/*
* Copyright (C) 1998 Arnaud LE HORS
*
* 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 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
* Arnaud LE HORS 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.
*
* Except as contained in this notice, the name of Arnaud LE HORS shall not be
* used in advertising or otherwise to promote the sale, use or other dealings
* in this Software without prior written authorization from Arnaud LE HORS.
*/
/* $XFree86: xc/extras/Xpm/cxpm/cxpm.c,v 1.2 2001/08/01 00:44:34 tsi Exp $ */
/*****************************************************************************\
* cxpm.c: *
* *
* Check XPM File program *
* *
* Developed by Arnaud Le Hors *
\*****************************************************************************/
#define CXPMPROG
#include "XpmI.h"
#undef xpmGetC
#define xpmGetC(data) sGetc(data, data->stream.file)
#define Getc sGetc
#define Ungetc sUngetc
/*
* special getc and ungetc counting read lines and characters
* note that 's' could stand both for "special" and "slow" ;-)
*/
static int
sGetc(data, file)
xpmData *data;
FILE *file;
{
int c = getc(data->stream.file);
if (c == '\n') {
data->lineNum++;
data->charNum = 0;
} else {
data->charNum++;
}
return c;
}
static void
sUngetc(data, c, file)
xpmData *data;
int c;
FILE *file;
{
ungetc(c, data->stream.file);
if (c == '\n') {
data->lineNum--;
data->charNum = 0;
} else {
data->charNum--;
}
}
/* include all the code we need (yeah, I know, quite ugly...) */
#include "data.c"
#include "parse.c"
#include "RdFToI.c" /* only for OpenReadFile and xpmDataClose */
#include "hashtab.c"
#include "misc.c"
#include "Attrib.c"
#include "Image.c"
void
ErrorMessage(ErrorStatus, data)
int ErrorStatus;
xpmData *data;
{
char *error = NULL;
switch (ErrorStatus) {
case XpmSuccess:
return;
case XpmOpenFailed:
error = "Cannot open file";
break;
case XpmFileInvalid:
error = "Invalid XPM file";
break;
case XpmNoMemory:
error = "Not enough memory";
break;
case XpmColorFailed:
error = "Failed to parse color";
break;
}
if (error) {
fprintf(stderr, "Xpm Error: %s.\n", error);
if (ErrorStatus == XpmFileInvalid && data)
fprintf(stderr, "Error found line %d near character %d\n",
data->lineNum + 1,
data->charNum + 1);
exit(1);
}
}
int
main(argc, argv)
int argc;
char **argv;
{
XpmImage image;
char *filename;
int ErrorStatus;
xpmData data;
if (argc > 1) {
if (!strcmp(argv[1], "-?") || !strncmp(argv[1], "-h", 2)) {
fprintf(stderr, "Usage: %s [filename]\n", argv[0]);
exit(1);
}
filename = argv[1];
} else {
filename = NULL;
}
xpmInitXpmImage(&image);
if ((ErrorStatus = OpenReadFile(filename, &data)) != XpmSuccess)
ErrorMessage(ErrorStatus, NULL);
ErrorStatus = xpmParseData(&data, &image, NULL);
ErrorMessage(ErrorStatus, &data);
xpmDataClose(&data);
XpmFreeXpmImage(&image);
exit(0);
}