home *** CD-ROM | disk | FTP | other *** search
- /* COPYRIGHT (C) 1987 Kamal Al-Yahya */
- /* detex: strips TeX's and LaTeX's commands */
-
-
- char *documentation[] = {
- " SYNTAX",
- " detex [-iw] [parameters] [inputfiles]",
- "",
- " flags:",
- " -i ignores TeX's and LaTeX's \input and \include commands",
- " -w does not check matching",
- "",
- " parameters:",
- " in=filename filename is the input file",
- " (Default: in=stdin)",
- "",
- " out=filename filename is the output file",
- " (Default: out=stdout)",
- ""
- };
-
- /* Author: Kamal Al-Yahya, Stanford University, 11/1/83 */
- /* Last modified: 1/25/87 */
-
- int doclength = { sizeof documentation/sizeof documentation[0] };
-
- #include "setups.h"
-
- #ifdef tops20
- #define TEMPFILE "texXXXXXX"
- #else
- #define TEMPFILE "/tmp/texXXXXXX"
- #endif
-
- char string[MAXWORD], filename[MAXWORD], scratch_file[MAXWORD];
- FILE *out_file;
- extern char *mktemp();
-
- #ifdef MSC
- #else
- struct sgttyb ttystat;
- #endif
-
- int wflag;
- int xargc;
- char **xargv;
-
- main(argc,argv)
- int argc;
- char *argv[];
- {
- char *buf;
- FILE *temp,*scr;
- register char *cptr;
- int piped_in;
- int iflag,i;
-
- if (((buf = (char *)malloc(MAXLEN*sizeof(char))) == (char *)NULL))
- {
- fprintf(stderr,"detex: Cannot malloc() internal buffer space\n\
- Need an array of %d characters\n",MAXLEN);
- exit(-1);
- }
-
- /* If no arguments, and not in a pipeline, self document */
- #ifdef MSC /* MS-DOS cannot distinguish piped input from no input */
- piped_in = (argc == 1);
- #else
- piped_in = ioctl ((fileno (stdin)), TIOCGETP, &ttystat);
- #endif
- if (argc == 1 && !piped_in)
- {
- for( i=0; i<doclength; i++)
- printf("%s\n",documentation[i]);
- exit (0);
- }
-
- out_file = stdout; /* default output */
-
- /* process option flags */
- xargc = argc;
- xargv = argv;
- for (xargc--,xargv++; xargc; xargc--,xargv++)
- {
- cptr = *xargv;
- if( *cptr=='-' )
- {
- while( *(++cptr))
- {
- switch( *cptr )
- {
- case 'i':
- iflag=1;
- break;
- case 'w':
- wflag=1;
- break;
- default:
- fprintf(stderr,
- "detex: unknown flag -%c\n",*cptr);
- break;
- }
- }
- }
- }
-
- /* process getpar parameters */
- xargc = argc;
- xargv = argv;
-
- if(getpar_("out","s",string))
- {
- sscanf(string,"%s",filename);
- if((temp=fopen(filename,"w")) == NULL)
- fprintf(stderr,"detex: Cannot open output file %s\n",filename);
- else
- out_file = temp;
- }
-
- /* first process pipe input */
- if(piped_in)
- {
- /* need to buffer; can't seek in pipes */
- /* make a temporary and volatile file in /tmp */
- strcpy(scratch_file,TEMPFILE);
- mktemp(scratch_file);
- if ((scr=fopen(scratch_file,"w")) == (FILE *)NULL)
- {
- fprintf(stderr,
- "detex: Cannot open scratch file [%s]\n",scratch_file);
- exit(-1);
- }
- scrbuf(stdin,scr);
- fclose(scr);
- scr=fopen(scratch_file,"r");
- unlink(scratch_file);
- if (wflag != 1)
- {
- fprintf(stderr,"Checking matching...\n");
- Match(scr);
- fseek(scr,0,0);
- }
- /* either expand or buffer */
- if (iflag != 1)
- { Expand(scr,buf); fclose(scr); }
- else
- { tmpbuf(scr,buf); fclose(scr); }
- if (wflag != 1)
- fprintf(stderr,"Checking matching done\n\n");
- DeTeX(buf,out_file);
- fclose(scr);
- }
-
- /* next process in=inputfiles */
- if(getpar_("in","s",string))
- {
- sscanf(string,"%s",filename);
- if((temp=fopen(filename,"r")) != NULL)
- {
- if (wflag != 1)
- {
- fprintf(stderr,"Checking matching...\n");
- fprintf(stderr,"%s:\n",filename);
- Match(temp);
- fprintf(stderr,"\n");
- fseek(temp,0,0);
- }
- /* either expand or buffer */
- if (iflag != 1)
- { Expand(temp,buf); fclose(temp); }
- else
- { tmpbuf(temp,buf); fclose(temp); }
- if (wflag != 1)
- fprintf(stderr,"Checking matching done\n\n");
- DeTeX(buf,out_file);
- fclose(temp);
- }
- else
- fprintf(stderr,"detex: Cannot open %s\n",filename);
- }
-
- /* then process input line for arguments and assume they are input files */
- xargc = argc;
- xargv = argv;
-
- for (xargc--,xargv++; xargc; xargc--,xargv++)
- {
- cptr = *xargv;
- if( *cptr=='-' ) continue; /* this is a flag */
- while (*cptr)
- {
- if (*cptr == '=') break; /* this is for getpar */
- cptr++;
- }
- if (*cptr) continue;
- cptr = *xargv;
- if((temp=fopen(cptr,"r")) != (FILE *)NULL)
- {
- if (wflag != 1)
- {
- fprintf(stderr,"Checking matching...\n");
- fprintf(stderr,"%s:\n",cptr);
- Match(temp);
- fprintf(stderr,"\n");
- fseek(temp,0,0);
- }
- /* either expand or buffer */
- if (iflag != 1)
- { Expand(temp,buf); fclose(temp); }
- else
- { tmpbuf(temp,buf); fclose(temp); }
- if (wflag != 1)
- fprintf(stderr,"Checking matching done\n\n");
- DeTeX(buf,out_file);
- fclose(temp);
- }
- else
- fprintf(stderr,"detex: Cannot open %s\n",cptr);
- }
-
- }
-