X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8cbd2bdeff7178c343d4f5832f5d83aa37d89ca1..0e32fdb872d413f14da8ce045766f0e2f13e202d:/src/xpm/dataxpm.c?ds=sidebyside diff --git a/src/xpm/dataxpm.c b/src/xpm/dataxpm.c index 247f8aaa09..917614e4be 100644 --- a/src/xpm/dataxpm.c +++ b/src/xpm/dataxpm.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1989-94 GROUPE BULL + * 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 @@ -32,129 +32,140 @@ * Developed by Arnaud Le Hors * \*****************************************************************************/ +#ifndef CXPMPROG /* Official version number */ -static char *RCS_Version = "$XpmVersion: 3.4b $"; +static char *RCS_Version = "$XpmVersion: 3.4k $"; /* Internal version number */ static char *RCS_Id = "$Id$"; -#include "xpm34p.h" -#ifdef VMS -#include "sys$library:stat.h" -#include "sys$library:ctype.h" -#else -#include -#include -#include +#include "XpmI.h" #endif +#include -#include - -LFUNC(ParseComment, int, (xpmData * mdata)); +#ifndef CXPMPROG +#define Getc(data, file) getc(file) +#define Ungetc(data, c, file) ungetc(c, file) +#endif static int -ParseComment(xpmData *mdata) +ParseComment(data) + xpmData *data; { - if (mdata->type == XPMBUFFER) { + if (data->type == XPMBUFFER) { register char c; register unsigned int n = 0; unsigned int notend; char *s, *s2; - s = mdata->Comment; - *s = mdata->Bcmt[0]; + s = data->Comment; + *s = data->Bcmt[0]; /* skip the string beginning comment */ - s2 = mdata->Bcmt; + s2 = data->Bcmt; do { - c = *mdata->cptr++; + c = *data->cptr++; *++s = c; n++; s2++; - } while (c == *s2 && *s2 != '\0' && c && c != mdata->Bos); + } while (c == *s2 && *s2 != '\0' && c); if (*s2 != '\0') { /* this wasn't the beginning of a comment */ - mdata->cptr -= n; + data->cptr -= n; return 0; } /* store comment */ - mdata->Comment[0] = *s; - s = mdata->Comment; + data->Comment[0] = *s; + s = data->Comment; notend = 1; n = 0; while (notend) { - s2 = mdata->Ecmt; - while (*s != *s2 && c && c != mdata->Bos) { - c = *mdata->cptr++; + s2 = data->Ecmt; + while (*s != *s2 && c) { + c = *data->cptr++; + if (n == XPMMAXCMTLEN - 1) { /* forget it */ + s = data->Comment; + n = 0; + } *++s = c; n++; } - mdata->CommentLength = n; + data->CommentLength = n; do { - c = *mdata->cptr++; - n++; + c = *data->cptr++; + if (n == XPMMAXCMTLEN - 1) { /* forget it */ + s = data->Comment; + n = 0; + } *++s = c; + n++; s2++; - } while (c == *s2 && *s2 != '\0' && c && c != mdata->Bos); + } while (c == *s2 && *s2 != '\0' && c); if (*s2 == '\0') { /* this is the end of the comment */ notend = 0; - mdata->cptr--; + data->cptr--; } } return 0; } else { - FILE *file = mdata->stream.file; + FILE *file = data->stream.file; register int c; register unsigned int n = 0, a; unsigned int notend; char *s, *s2; - s = mdata->Comment; - *s = mdata->Bcmt[0]; + s = data->Comment; + *s = data->Bcmt[0]; /* skip the string beginning comment */ - s2 = mdata->Bcmt; + s2 = data->Bcmt; do { - c = getc(file); + c = Getc(data, file); *++s = c; n++; s2++; - } while (c == *s2 && *s2 != '\0' - && c != EOF && c != mdata->Bos); + } 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(*s, file); + Ungetc(data, *s, file); return 0; } /* store comment */ - mdata->Comment[0] = *s; - s = mdata->Comment; + data->Comment[0] = *s; + s = data->Comment; notend = 1; n = 0; while (notend) { - s2 = mdata->Ecmt; - while (*s != *s2 && c != EOF && c != mdata->Bos) { - c = getc(file); + 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++; } - mdata->CommentLength = n; + data->CommentLength = n; do { - c = getc(file); - n++; + 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 && c != mdata->Bos); + } while (c == *s2 && *s2 != '\0' && c != EOF); if (*s2 == '\0') { /* this is the end of the comment */ notend = 0; - ungetc(*s, file); + Ungetc(data, *s, file); } } return 0; @@ -165,142 +176,146 @@ ParseComment(xpmData *mdata) * skip to the end of the current string and the beginning of the next one */ int -xpmNextString(xpmData *mdata) +xpmNextString(data) + xpmData *data; { - if (!mdata->type) - mdata->cptr = (mdata->stream.data)[++mdata->line]; - else if (mdata->type == XPMBUFFER) { + 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 (mdata->Eos) - while ((c = *mdata->cptr++) && c != mdata->Eos); + if (data->Eos) + while ((c = *data->cptr++) && c != data->Eos); /* * then get to the beginning of the next string looking for possible * comment */ - if (mdata->Bos) { - while ((c = *mdata->cptr++) && c != mdata->Bos) - if (mdata->Bcmt && c == mdata->Bcmt[0]) - ParseComment(mdata); - } else if (mdata->Bcmt) { /* XPM2 natural */ - while ((c = *mdata->cptr++) == mdata->Bcmt[0]) - ParseComment(mdata); - mdata->cptr--; + 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 = mdata->stream.file; + FILE *file = data->stream.file; /* get to the end of the current string */ - if (mdata->Eos) - while ((c = getc(file)) != mdata->Eos && c != EOF); + 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 (mdata->Bos) { - while ((c = getc(file)) != mdata->Bos && c != EOF) - if (mdata->Bcmt && c == mdata->Bcmt[0]) - ParseComment(mdata); - - } else if (mdata->Bcmt) { /* XPM2 natural */ - while ((c = getc(file)) == mdata->Bcmt[0]) - ParseComment(mdata); - ungetc(c, file); + 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 compute the following unsigned int, - * returns 1 if one is found and 0 if not - */ -int -xpmNextUI(xpmData *mdata, unsigned int *ui_return) -{ - char buf[BUFSIZ]; - int l; - - l = xpmNextWord(mdata, buf, BUFSIZ); - return atoui(buf, l, ui_return); -} - /* * skip whitespace and return the following word */ unsigned int -xpmNextWord(xpmData *mdata, char *buf, unsigned int buflen) +xpmNextWord(data, buf, buflen) + xpmData *data; + char *buf; + unsigned int buflen; { register unsigned int n = 0; int c; - if (!mdata->type || mdata->type == XPMBUFFER) { - while (isspace(c = *mdata->cptr) && c != mdata->Eos) - mdata->cptr++; + if (!data->type || data->type == XPMBUFFER) { + while (isspace(c = *data->cptr) && c != data->Eos) + data->cptr++; do { - c = *mdata->cptr++; + c = *data->cptr++; *buf++ = c; n++; - } while (!isspace(c) && c != mdata->Eos && n < buflen); + } while (!isspace(c) && c != data->Eos && n < buflen); n--; - mdata->cptr--; + data->cptr--; } else { - FILE *file = mdata->stream.file; + FILE *file = data->stream.file; - while ((c = getc(file)) != EOF && isspace(c) && c != mdata->Eos); - while (!isspace(c) && c != mdata->Eos && c != EOF && n < buflen) { + 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(file); + c = Getc(data, file); } - ungetc(c, 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(xpmData *mdata, char **sptr, unsigned int *l) +xpmGetString(data, sptr, l) + xpmData *data; + char **sptr; + unsigned int *l; { unsigned int i, n = 0; int c; - char *p, *q, buf[BUFSIZ]; - - if (!mdata->type || mdata->type == XPMBUFFER) { - if (mdata->cptr) { - char *start; - - while (isspace(c = *mdata->cptr) && c != mdata->Eos) - mdata->cptr++; - start = mdata->cptr; - while ((c = *mdata->cptr) && c != mdata->Eos) - mdata->cptr++; - n = mdata->cptr - start + 1; + 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 (mdata->type) /* XPMBUFFER */ + if (data->type) /* XPMBUFFER */ p[n - 1] = '\0'; } } else { - FILE *file = mdata->stream.file; + FILE *file = data->stream.file; - while ((c = getc(file)) != EOF && isspace(c) && c != mdata->Eos); - if (c == EOF) + if ((c = Getc(data, file)) == EOF) return (XpmFileInvalid); - p = NULL; + i = 0; q = buf; p = (char *) XpmMalloc(1); - while (c != mdata->Eos && c != EOF) { + while (c != data->Eos && c != EOF) { if (i == BUFSIZ) { /* get to the end of the buffer */ /* malloc needed memory */ @@ -319,7 +334,7 @@ xpmGetString(xpmData *mdata, char **sptr, unsigned int *l) } *q++ = c; i++; - c = getc(file); + c = Getc(data, file); } if (c == EOF) { XpmFree(p); @@ -342,7 +357,7 @@ xpmGetString(xpmData *mdata, char **sptr, unsigned int *l) *p = '\0'; n = 1; } - ungetc(c, file); + Ungetc(data, c, file); } *sptr = p; *l = n; @@ -353,187 +368,22 @@ xpmGetString(xpmData *mdata, char **sptr, unsigned int *l) * get the current comment line */ int -xpmGetCmt(xpmData *mdata, char **cmt) +xpmGetCmt(data, cmt) + xpmData *data; + char **cmt; { - if (!mdata->type) + if (!data->type) *cmt = NULL; - else if (mdata->CommentLength) { - *cmt = (char *) XpmMalloc(mdata->CommentLength + 1); - strncpy(*cmt, mdata->Comment, mdata->CommentLength); - (*cmt)[mdata->CommentLength] = '\0'; - mdata->CommentLength = 0; + 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; } -/* - * open the given file to be read as an xpmData which is returned. - */ -int -xpmReadFile(char *filename, xpmData *mdata) -{ -#ifdef ZPIPE - char *compressfile, buf[BUFSIZ]; - struct stat status; - -#endif - - if (!filename) { - mdata->stream.file = (stdin); - mdata->type = XPMFILE; - } else { -#ifdef ZPIPE - if (((int) strlen(filename) > 2) && - !strcmp(".Z", filename + (strlen(filename) - 2))) { - mdata->type = XPMPIPE; - sprintf(buf, "uncompress -c %s", filename); - if (!(mdata->stream.file = popen(buf, "r"))) - return (XpmOpenFailed); - - } else if (((int) strlen(filename) > 3) && - !strcmp(".gz", filename + (strlen(filename) - 3))) { - mdata->type = XPMPIPE; - sprintf(buf, "gunzip -qc %s", filename); - if (!(mdata->stream.file = popen(buf, "r"))) - return (XpmOpenFailed); - - } else { - if (!(compressfile = (char *) XpmMalloc(strlen(filename) + 4))) - return (XpmNoMemory); - - strcpy(compressfile, filename); - strcat(compressfile, ".Z"); - if (!stat(compressfile, &status)) { - sprintf(buf, "uncompress -c %s", compressfile); - if (!(mdata->stream.file = popen(buf, "r"))) { - XpmFree(compressfile); - return (XpmOpenFailed); - } - mdata->type = XPMPIPE; - } else { - strcpy(compressfile, filename); - strcat(compressfile, ".gz"); - if (!stat(compressfile, &status)) { - sprintf(buf, "gunzip -c %s", compressfile); - if (!(mdata->stream.file = popen(buf, "r"))) { - XpmFree(compressfile); - return (XpmOpenFailed); - } - mdata->type = XPMPIPE; - } else { -#endif - if (!(mdata->stream.file = fopen(filename, "r"))) { -#ifdef ZPIPE - XpmFree(compressfile); -#endif - return (XpmOpenFailed); - } - mdata->type = XPMFILE; -#ifdef ZPIPE - } - } - XpmFree(compressfile); - } -#endif - } - mdata->CommentLength = 0; - return (XpmSuccess); -} - -/* - * open the given file to be written as an xpmData which is returned - */ -int -xpmWriteFile(char *filename, xpmData *mdata) -{ -#ifdef ZPIPE - char buf[BUFSIZ]; - -#endif - - if (!filename) { - mdata->stream.file = (stdout); - mdata->type = XPMFILE; - } else { -#ifdef ZPIPE - if ((int) strlen(filename) > 2 - && !strcmp(".Z", filename + (strlen(filename) - 2))) { - sprintf(buf, "compress > %s", filename); - if (!(mdata->stream.file = popen(buf, "w"))) - return (XpmOpenFailed); - - mdata->type = XPMPIPE; - } else if ((int) strlen(filename) > 3 - && !strcmp(".gz", filename + (strlen(filename) - 3))) { - sprintf(buf, "gzip -q > %s", filename); - if (!(mdata->stream.file = popen(buf, "w"))) - return (XpmOpenFailed); - - mdata->type = XPMPIPE; - } else { -#endif - if (!(mdata->stream.file = fopen(filename, "w"))) - return (XpmOpenFailed); - - mdata->type = XPMFILE; -#ifdef ZPIPE - } -#endif - } - return (XpmSuccess); -} - -/* - * open the given array to be read or written as an xpmData which is returned - */ -void -xpmOpenArray(char **data, xpmData *mdata) -{ - mdata->type = XPMARRAY; - mdata->stream.data = data; - mdata->cptr = *data; - mdata->line = 0; - mdata->CommentLength = 0; - mdata->Bcmt = mdata->Ecmt = NULL; - mdata->Bos = mdata->Eos = '\0'; - mdata->format = 0; /* this can only be Xpm 2 or 3 */ -} - -/* - * open the given buffer to be read or written as an xpmData which is returned - */ -void -xpmOpenBuffer(char *buffer, xpmData *mdata) -{ - mdata->type = XPMBUFFER; - mdata->cptr = buffer; - mdata->CommentLength = 0; -} - -/* - * close the file related to the xpmData if any - */ -int -xpmDataClose(xpmData *mdata) -{ - switch (mdata->type) { - case XPMARRAY: - case XPMBUFFER: - break; - case XPMFILE: - if (mdata->stream.file != (stdout) && mdata->stream.file != (stdin)) - fclose(mdata->stream.file); - break; -#ifdef ZPIPE - case XPMPIPE: - pclose(mdata->stream.file); - break; -#endif - } - return 0; -} - xpmDataType xpmDataTypes[] = { "", "!", "\n", '\0', '\n', "", "", "", "", /* Natural type */ @@ -550,28 +400,30 @@ xpmDataType xpmDataTypes[] = * parse xpm header */ int -xpmParseHeader(xpmData *mdata) +xpmParseHeader(data) + xpmData *data; { char buf[BUFSIZ]; int l, n = 0; - if (mdata->type) { - mdata->Bos = '\0'; - mdata->Eos = '\n'; - mdata->Bcmt = mdata->Ecmt = NULL; - l = xpmNextWord(mdata, buf, BUFSIZ); + 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(mdata, buf, BUFSIZ); + l = xpmNextWord(data, buf, BUFSIZ); if (!l) return (XpmFileInvalid); - ptr = strchr(buf, '_'); + buf[l] = '\0'; + ptr = rindex(buf, '_'); if (!ptr || strncmp("_format", ptr, l - (ptr - buf))) return XpmFileInvalid; /* this is definitely an XPM 1 file */ - mdata->format = 1; + data->format = 1; n = 1; /* handle XPM1 as mainly XPM2 C */ } else { @@ -579,14 +431,14 @@ xpmParseHeader(xpmData *mdata) * skip the first word, get the second one, and see if this is * XPM 2 or 3 */ - l = xpmNextWord(mdata, buf, BUFSIZ); + 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(mdata, buf, BUFSIZ); + l = xpmNextWord(data, buf, BUFSIZ); /* * get infos about this type @@ -595,29 +447,29 @@ xpmParseHeader(xpmData *mdata) && strncmp(xpmDataTypes[n].type, buf, l)) n++; } - mdata->format = 0; + data->format = 0; } else /* nope this is not an XPM file */ return XpmFileInvalid; } if (xpmDataTypes[n].type) { if (n == 0) { /* natural type */ - mdata->Bcmt = xpmDataTypes[n].Bcmt; - mdata->Ecmt = xpmDataTypes[n].Ecmt; - xpmNextString(mdata); /* skip the end of the headerline */ - mdata->Bos = xpmDataTypes[n].Bos; - mdata->Eos = xpmDataTypes[n].Eos; + 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 { - mdata->Bcmt = xpmDataTypes[n].Bcmt; - mdata->Ecmt = xpmDataTypes[n].Ecmt; - if (!mdata->format) { /* XPM 2 or 3 */ - mdata->Bos = xpmDataTypes[n].Bos; - mdata->Eos = '\0'; + 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(mdata); - mdata->Eos = xpmDataTypes[n].Eos; + xpmNextString(data); + data->Eos = xpmDataTypes[n].Eos; } else /* XPM 1 skip end of line */ - xpmNextString(mdata); + xpmNextString(data); } } else /* we don't know about that type of XPM file... */