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Annotation of OpenXM_contrib/gnuplot/docs/doc2gih.c, Revision 1.1

1.1     ! maekawa     1: /*
        !             2:  * $Id: doc2gih.c,v 1.16 1998/04/14 00:16:58 drd Exp $
        !             3:  *
        !             4:  */
        !             5:
        !             6: /* GNUPLOT - doc2gih.c */
        !             7:
        !             8: /*[
        !             9:  * Copyright 1986 - 1993, 1998   Thomas Williams, Colin Kelley
        !            10:  *
        !            11:  * Permission to use, copy, and distribute this software and its
        !            12:  * documentation for any purpose with or without fee is hereby granted,
        !            13:  * provided that the above copyright notice appear in all copies and
        !            14:  * that both that copyright notice and this permission notice appear
        !            15:  * in supporting documentation.
        !            16:  *
        !            17:  * Permission to modify the software is granted, but not the right to
        !            18:  * distribute the complete modified source code.  Modifications are to
        !            19:  * be distributed as patches to the released version.  Permission to
        !            20:  * distribute binaries produced by compiling modified sources is granted,
        !            21:  * provided you
        !            22:  *   1. distribute the corresponding source modifications from the
        !            23:  *    released version in the form of a patch file along with the binaries,
        !            24:  *   2. add special version identification to distinguish your version
        !            25:  *    in addition to the base release version number,
        !            26:  *   3. provide your name and address as the primary contact for the
        !            27:  *    support of your modified version, and
        !            28:  *   4. retain our contact information in regard to use of the base
        !            29:  *    software.
        !            30:  * Permission to distribute the released version of the source code along
        !            31:  * with corresponding source modifications in the form of a patch file is
        !            32:  * granted with same provisions 2 through 4 for binary distributions.
        !            33:  *
        !            34:  * This software is provided "as is" without express or implied warranty
        !            35:  * to the extent permitted by applicable law.
        !            36: ]*/
        !            37:
        !            38: /*
        !            39:  * doc2gih.c  -- program to convert Gnuplot .DOC format to gnuplot
        !            40:  * interactive help (.GIH) format.
        !            41:  *
        !            42:  * This involves stripping all lines with a leading digit or
        !            43:  * a leading @, #, or %.
        !            44:  * Modified by Russell Lang from hlp2ms.c by Thomas Williams
        !            45:  *
        !            46:  * usage:  doc2gih [file.doc [file.gih]]
        !            47:  *
        !            48:  * Original version by David Kotz used the following one line script!
        !            49:  * sed '/^[0-9@#%]/d' file.doc > file.gih
        !            50:  */
        !            51:
        !            52: #ifdef HAVE_CONFIG_H
        !            53: # include "config.h"
        !            54: #endif
        !            55:
        !            56: #include "ansichek.h"
        !            57: #include "stdfn.h"
        !            58: #include "doc2x.h"
        !            59:
        !            60: void convert __PROTO((FILE *, FILE *));
        !            61: void process_line __PROTO((char *, FILE *));
        !            62:
        !            63: int main(argc, argv)
        !            64: int argc;
        !            65: char **argv;
        !            66: {
        !            67:     FILE *infile;
        !            68:     FILE *outfile;
        !            69:
        !            70:     infile = stdin;
        !            71:     outfile = stdout;
        !            72:
        !            73:     if (argc > 3) {
        !            74:        fprintf(stderr, "Usage: %s [infile [outfile]]\n", argv[0]);
        !            75:        exit(EXIT_FAILURE);
        !            76:     }
        !            77:     if (argc >= 2) {
        !            78:        if ((infile = fopen(argv[1], "r")) == (FILE *) NULL) {
        !            79:            fprintf(stderr, "%s: Can't open %s for reading\n",
        !            80:                    argv[0], argv[1]);
        !            81:            exit(EXIT_FAILURE);
        !            82:        }
        !            83:     }
        !            84:     if (argc == 3) {
        !            85:        if ((outfile = fopen(argv[2], "w")) == (FILE *) NULL) {
        !            86:            fprintf(stderr, "%s: Can't open %s for writing\n",
        !            87:                    argv[0], argv[2]);
        !            88:            exit(EXIT_FAILURE);
        !            89:        }
        !            90:     }
        !            91:
        !            92:     convert(infile, outfile);
        !            93:
        !            94:     exit(EXIT_SUCCESS);
        !            95: }
        !            96:
        !            97:
        !            98: void convert (inf, outf)
        !            99: FILE *inf, *outf;
        !           100: {
        !           101:     static char line[MAX_LINE_LEN+1];
        !           102:
        !           103:     while (get_line(line, sizeof(line), inf))
        !           104:         process_line(line, outf);
        !           105: }
        !           106:
        !           107:
        !           108: void process_line(line, b)
        !           109: char *line;
        !           110: FILE *b;
        !           111: {
        !           112:     static int line_count = 0;
        !           113:
        !           114:     line_count++;
        !           115:
        !           116:     switch (line[0]) {         /* control character */
        !           117:     case '?':{                 /* interactive help entry */
        !           118:            (void) fputs(line, b);
        !           119:            break;
        !           120:        }
        !           121:     case '@':{                 /* start/end table */
        !           122:            break;              /* ignore */
        !           123:        }
        !           124:     case '#':{                 /* latex table entry */
        !           125:            break;              /* ignore */
        !           126:        }
        !           127:     case '%':{                 /* troff table entry */
        !           128:            break;              /* ignore */
        !           129:        }
        !           130:     case '^':{                 /* html entry */
        !           131:            break;              /* ignore */
        !           132:        }
        !           133:     case '\n':                 /* empty text line */
        !           134:     case ' ':{                 /* normal text line */
        !           135:            (void) fputs(line, b);
        !           136:            break;
        !           137:        }
        !           138:     default:{
        !           139:            if (isdigit((int)line[0])) {        /* start of section */
        !           140:                /* ignore */
        !           141:            } else
        !           142:                fprintf(stderr, "unknown control code '%c' in column 1, line %d\n",
        !           143:                        line[0], line_count);
        !           144:            break;
        !           145:        }
        !           146:     }
        !           147: }