/*========================================================================*\ Copyright (c) 1994-1999 Paul Vojta 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 PAUL VOJTA 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. NOTE: This routine is adapted from the squeeze.c that comes with dvips; it bears the message: This software is Copyright 1988 by Radical Eye Software. Used with permission. \*========================================================================*/ /* * This routine squeezes a PostScript file down to its * minimum. We parse and then output it. * Adapted for xdvi 1/94. Writes a C program that contains the PS file * as a constant string. */ #include #include #include #define LINELENGTH (72) #define BUFLENGTH (1000) #undef putchar #define putchar(a) (void)putc(a, out) ; FILE *in, *out ; static int linepos = 0 ; static int lastspecial = 1 ; static int stringlen = 0; #ifdef WIN32 #include #include #else extern int strlen() ; extern void exit() ; #endif /* * This next routine writes out a `special' character. In this case, * we simply put it out, since any special character terminates the * preceding token. */ void specialout(c) char c ; { if (linepos + 1 > LINELENGTH) { (void)fputs("\\n\\\n", out); stringlen += linepos + 1; linepos = 0 ; } putchar(c) ; linepos++ ; lastspecial = 1 ; } void strout(s) char *s ; { if (linepos + strlen(s) > LINELENGTH) { (void)fputs("\\n\\\n", out); stringlen += linepos + 1; linepos = 0 ; } linepos += strlen(s) ; while (*s != 0) putchar(*s++) ; lastspecial = 1 ; } void cmdout(s) char *s ; { int l ; l = strlen(s) ; if (linepos + l + 1 > LINELENGTH) { (void)fputs("\\n\\\n", out); stringlen += linepos + 1; linepos = 0 ; lastspecial = 1 ; } if (! lastspecial) { putchar(' ') ; linepos++ ; } while (*s != 0) { putchar(*s++) ; } linepos += l ; lastspecial = 0 ; } char buf[BUFLENGTH] ; #ifndef VMS int #endif main(argc, argv) int argc ; char *argv[] ; { int c ; char *b ; char seeking ; if (argc > 3 || (in=(argc < 2 ? stdin : fopen(argv[1], "r")))==NULL || (out=(argc < 3 ? stdout : fopen(argv[2], "w")))==NULL) { (void)fprintf(stderr, "Usage: squeeze [infile [outfile]]\n") ; exit(1) ; } (void)fputs("/*\n\ * DO NOT EDIT THIS FILE!\n\ * It was created by squeeze.c from another file (see the Makefile).\n\ */\n\n\ #ifndef _Xconst\n\ #if __STDC__\n\ #define _Xconst const\n\ #else\n\ #define _Xconst\n\ #endif\n\ #endif\n\n\ _Xconst char psheader[] = \"\\\n", out); while (1) { c = getc(in) ; if (c==EOF) break ; if (c=='%') { while ((c=getc(in))!='\n') ; } if (c <= ' ') continue ; switch (c) { case '{' : case '}' : case '[' : case ']' : specialout(c) ; break ; case '<' : case '(' : if (c=='(') seeking = ')' ; else seeking = '>' ; b = buf ; *b++ = c ; do { c = getc(in) ; if (b > buf + BUFLENGTH-2) { (void)fprintf(stderr, "Overran buffer seeking %c", seeking) ; exit(1) ; } *b++ = c ; if (c=='\\') *b++ = getc(in) ; } while (c != seeking) ; *b++ = 0 ; strout(buf) ; break ; default: b = buf ; while ((c>='A'&&c<='Z')||(c>='a'&&c<='z')|| (c>='0'&&c<='9')||(c=='/')||(c=='@')|| (c=='!')||(c=='"')||(c=='&')||(c=='*')||(c==':')|| (c==',')||(c==';')||(c=='?')||(c=='^')||(c=='~')|| (c=='-')||(c=='.')||(c=='#')||(c=='|')||(c=='_')|| (c=='=')||(c=='$')||(c=='+')) { *b++ = c ; c = getc(in) ; } if (b == buf) { (void)fprintf(stderr, "Oops! Missed a case: %c.\n", c) ; exit(1) ; } *b++ = 0 ; (void)ungetc(c, in) ; cmdout(buf) ; } } (void)fprintf(out, "\\n\";\n\n\ int\tpsheaderlen\t= %d;\n", stringlen + linepos + 1); return 0; }