+++ /dev/null
-/*
- * Copyright (C) 1989-95 GROUPE BULL
- *
- * 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
- * GROUPE BULL 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 GROUPE BULL shall not be
- * used in advertising or otherwise to promote the sale, use or other dealings
- * in this Software without prior written authorization from GROUPE BULL.
- */
-
-/*****************************************************************************\
-* data.c: *
-* *
-* XPM library *
-* IO utilities *
-* *
-* Developed by Arnaud Le Hors *
-\*****************************************************************************/
-
-#ifndef CXPMPROG
-/* Official version number */
-static char *RCS_Version = "$XpmVersion: 3.4k $";
-
-/* Internal version number */
-static char *RCS_Id = "$Id$";
-
-#include "XpmI.h"
-#endif
-#include <ctype.h>
-
-#ifndef CXPMPROG
-#define Getc(data, file) getc(file)
-#define Ungetc(data, c, file) ungetc(c, file)
-#endif
-
-static int
-ParseComment(data)
- xpmData *data;
-{
- if (data->type == XPMBUFFER) {
- register char c;
- register unsigned int n = 0;
- unsigned int notend;
- char *s, *s2;
-
- s = data->Comment;
- *s = data->Bcmt[0];
-
- /* skip the string beginning comment */
- s2 = data->Bcmt;
- do {
- c = *data->cptr++;
- *++s = c;
- n++;
- s2++;
- } while (c == *s2 && *s2 != '\0' && c);
-
- if (*s2 != '\0') {
- /* this wasn't the beginning of a comment */
- data->cptr -= n;
- return 0;
- }
- /* store comment */
- data->Comment[0] = *s;
- s = data->Comment;
- notend = 1;
- n = 0;
- while (notend) {
- s2 = data->Ecmt;
- while (*s != *s2 && c) {
- c = *data->cptr++;
- if (n == XPMMAXCMTLEN - 1) { /* forget it */
- s = data->Comment;
- n = 0;
- }
- *++s = c;
- n++;
- }
- data->CommentLength = n;
- do {
- c = *data->cptr++;
- if (n == XPMMAXCMTLEN - 1) { /* forget it */
- s = data->Comment;
- n = 0;
- }
- *++s = c;
- n++;
- s2++;
- } while (c == *s2 && *s2 != '\0' && c);
- if (*s2 == '\0') {
- /* this is the end of the comment */
- notend = 0;
- data->cptr--;
- }
- }
- return 0;
- } else {
- FILE *file = data->stream.file;
- register int c;
- register unsigned int n = 0, a;
- unsigned int notend;
- char *s, *s2;
-
- s = data->Comment;
- *s = data->Bcmt[0];
-
- /* skip the string beginning comment */
- s2 = data->Bcmt;
- do {
- c = Getc(data, file);
- *++s = c;
- n++;
- s2++;
- } while (c == *s2 && *s2 != '\0' && c != EOF);
-
- if (*s2 != '\0') {
- /* this wasn't the beginning of a comment */
- /* put characters back in the order that we got them */
- for (a = n; a > 0; a--, s--)
- Ungetc(data, *s, file);
- return 0;
- }
- /* store comment */
- data->Comment[0] = *s;
- s = data->Comment;
- notend = 1;
- n = 0;
- while (notend) {
- s2 = data->Ecmt;
- while (*s != *s2 && c != EOF) {
- c = Getc(data, file);
- if (n == XPMMAXCMTLEN - 1) { /* forget it */
- s = data->Comment;
- n = 0;
- }
- *++s = c;
- n++;
- }
- data->CommentLength = n;
- do {
- c = Getc(data, file);
- if (n == XPMMAXCMTLEN - 1) { /* forget it */
- s = data->Comment;
- n = 0;
- }
- *++s = c;
- n++;
- s2++;
- } while (c == *s2 && *s2 != '\0' && c != EOF);
- if (*s2 == '\0') {
- /* this is the end of the comment */
- notend = 0;
- Ungetc(data, *s, file);
- }
- }
- return 0;
- }
-}
-
-/*
- * skip to the end of the current string and the beginning of the next one
- */
-int
-xpmNextString(data)
- xpmData *data;
-{
- if (!data->type)
- data->cptr = (data->stream.data)[++data->line];
- else if (data->type == XPMBUFFER) {
- register char c;
-
- /* get to the end of the current string */
- if (data->Eos)
- while ((c = *data->cptr++) && c != data->Eos);
-
- /*
- * then get to the beginning of the next string looking for possible
- * comment
- */
- if (data->Bos) {
- while ((c = *data->cptr++) && c != data->Bos)
- if (data->Bcmt && c == data->Bcmt[0])
- ParseComment(data);
- } else if (data->Bcmt) { /* XPM2 natural */
- while ((c = *data->cptr++) == data->Bcmt[0])
- ParseComment(data);
- data->cptr--;
- }
- } else {
- register int c;
- FILE *file = data->stream.file;
-
- /* get to the end of the current string */
- if (data->Eos)
- while ((c = Getc(data, file)) != data->Eos && c != EOF);
-
- /*
- * then get to the beginning of the next string looking for possible
- * comment
- */
- if (data->Bos) {
- while ((c = Getc(data, file)) != data->Bos && c != EOF)
- if (data->Bcmt && c == data->Bcmt[0])
- ParseComment(data);
-
- } else if (data->Bcmt) { /* XPM2 natural */
- while ((c = Getc(data, file)) == data->Bcmt[0])
- ParseComment(data);
- Ungetc(data, c, file);
- }
- }
- return 0;
-}
-
-
-/*
- * skip whitespace and return the following word
- */
-unsigned int
-xpmNextWord(data, buf, buflen)
- xpmData *data;
- char *buf;
- unsigned int buflen;
-{
- register unsigned int n = 0;
- int c;
-
- if (!data->type || data->type == XPMBUFFER) {
- while (isspace(c = *data->cptr) && c != data->Eos)
- data->cptr++;
- do {
- c = *data->cptr++;
- *buf++ = c;
- n++;
- } while (!isspace(c) && c != data->Eos && n < buflen);
- n--;
- data->cptr--;
- } else {
- FILE *file = data->stream.file;
-
- while ((c = Getc(data, file)) != EOF && isspace(c) && c != data->Eos);
- while (!isspace(c) && c != data->Eos && c != EOF && n < buflen) {
- *buf++ = c;
- n++;
- c = Getc(data, file);
- }
- Ungetc(data, c, file);
- }
- return (n);
-}
-
-/*
- * skip whitespace and compute the following unsigned int,
- * returns 1 if one is found and 0 if not
- */
-int
-xpmNextUI(data, ui_return)
- xpmData *data;
- unsigned int *ui_return;
-{
- char buf[BUFSIZ];
- int l;
-
- l = xpmNextWord(data, buf, BUFSIZ);
- return xpmatoui(buf, l, ui_return);
-}
-
-/*
- * return end of string - WARNING: malloc!
- */
-int
-xpmGetString(data, sptr, l)
- xpmData *data;
- char **sptr;
- unsigned int *l;
-{
- unsigned int i, n = 0;
- int c;
- char *p = NULL, *q, buf[BUFSIZ];
-
- if (!data->type || data->type == XPMBUFFER) {
- if (data->cptr) {
- char *start = data->cptr;
- while ((c = *data->cptr) && c != data->Eos)
- data->cptr++;
- n = data->cptr - start + 1;
- p = (char *) XpmMalloc(n);
- if (!p)
- return (XpmNoMemory);
- strncpy(p, start, n);
- if (data->type) /* XPMBUFFER */
- p[n - 1] = '\0';
- }
- } else {
- FILE *file = data->stream.file;
-
- if ((c = Getc(data, file)) == EOF)
- return (XpmFileInvalid);
-
- i = 0;
- q = buf;
- p = (char *) XpmMalloc(1);
- while (c != data->Eos && c != EOF) {
- if (i == BUFSIZ) {
- /* get to the end of the buffer */
- /* malloc needed memory */
- q = (char *) XpmRealloc(p, n + i);
- if (!q) {
- XpmFree(p);
- return (XpmNoMemory);
- }
- p = q;
- q += n;
- /* and copy what we already have */
- strncpy(q, buf, i);
- n += i;
- i = 0;
- q = buf;
- }
- *q++ = c;
- i++;
- c = Getc(data, file);
- }
- if (c == EOF) {
- XpmFree(p);
- return (XpmFileInvalid);
- }
- if (n + i != 0) {
- /* malloc needed memory */
- q = (char *) XpmRealloc(p, n + i + 1);
- if (!q) {
- XpmFree(p);
- return (XpmNoMemory);
- }
- p = q;
- q += n;
- /* and copy the buffer */
- strncpy(q, buf, i);
- n += i;
- p[n++] = '\0';
- } else {
- *p = '\0';
- n = 1;
- }
- Ungetc(data, c, file);
- }
- *sptr = p;
- *l = n;
- return (XpmSuccess);
-}
-
-/*
- * get the current comment line
- */
-int
-xpmGetCmt(data, cmt)
- xpmData *data;
- char **cmt;
-{
- if (!data->type)
- *cmt = NULL;
- else if (data->CommentLength) {
- *cmt = (char *) XpmMalloc(data->CommentLength + 1);
- strncpy(*cmt, data->Comment, data->CommentLength);
- (*cmt)[data->CommentLength] = '\0';
- data->CommentLength = 0;
- } else
- *cmt = NULL;
- return 0;
-}
-
-xpmDataType xpmDataTypes[] =
-{
- "", "!", "\n", '\0', '\n', "", "", "", "", /* Natural type */
- "C", "/*", "*/", '"', '"', ",\n", "static char *", "[] = {\n", "};\n",
- "Lisp", ";", "\n", '"', '"', "\n", "(setq ", " '(\n", "))\n",
-#ifdef VMS
- NULL
-#else
- NULL, NULL, NULL, 0, 0, NULL, NULL, NULL, NULL
-#endif
-};
-
-/*
- * parse xpm header
- */
-int
-xpmParseHeader(data)
- xpmData *data;
-{
- char buf[BUFSIZ];
- int l, n = 0;
-
- if (data->type) {
- data->Bos = '\0';
- data->Eos = '\n';
- data->Bcmt = data->Ecmt = NULL;
- l = xpmNextWord(data, buf, BUFSIZ);
- if (l == 7 && !strncmp("#define", buf, 7)) {
- /* this maybe an XPM 1 file */
- char *ptr;
-
- l = xpmNextWord(data, buf, BUFSIZ);
- if (!l)
- return (XpmFileInvalid);
- buf[l] = '\0';
- ptr = rindex(buf, '_');
- if (!ptr || strncmp("_format", ptr, l - (ptr - buf)))
- return XpmFileInvalid;
- /* this is definitely an XPM 1 file */
- data->format = 1;
- n = 1; /* handle XPM1 as mainly XPM2 C */
- } else {
-
- /*
- * skip the first word, get the second one, and see if this is
- * XPM 2 or 3
- */
- l = xpmNextWord(data, buf, BUFSIZ);
- if ((l == 3 && !strncmp("XPM", buf, 3)) ||
- (l == 4 && !strncmp("XPM2", buf, 4))) {
- if (l == 3)
- n = 1; /* handle XPM as XPM2 C */
- else {
- /* get the type key word */
- l = xpmNextWord(data, buf, BUFSIZ);
-
- /*
- * get infos about this type
- */
- while (xpmDataTypes[n].type
- && strncmp(xpmDataTypes[n].type, buf, l))
- n++;
- }
- data->format = 0;
- } else
- /* nope this is not an XPM file */
- return XpmFileInvalid;
- }
- if (xpmDataTypes[n].type) {
- if (n == 0) { /* natural type */
- data->Bcmt = xpmDataTypes[n].Bcmt;
- data->Ecmt = xpmDataTypes[n].Ecmt;
- xpmNextString(data); /* skip the end of the headerline */
- data->Bos = xpmDataTypes[n].Bos;
- data->Eos = xpmDataTypes[n].Eos;
- } else {
- data->Bcmt = xpmDataTypes[n].Bcmt;
- data->Ecmt = xpmDataTypes[n].Ecmt;
- if (!data->format) { /* XPM 2 or 3 */
- data->Bos = xpmDataTypes[n].Bos;
- data->Eos = '\0';
- /* get to the beginning of the first string */
- xpmNextString(data);
- data->Eos = xpmDataTypes[n].Eos;
- } else /* XPM 1 skip end of line */
- xpmNextString(data);
- }
- } else
- /* we don't know about that type of XPM file... */
- return XpmFileInvalid;
- }
- return XpmSuccess;
-}
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