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/*
* $Id: doc2tex.c,v 1.8 1998/10/19 13:18:05 lhecking Exp $
*
*/
/* GNUPLOT - doc2tex.c */
/*[
* Copyright 1986 - 1993, 1998 Thomas Williams, Colin Kelley
*
* Permission to use, copy, and distribute this software and its
* documentation for any purpose with or without fee is hereby granted,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation.
*
* Permission to modify the software is granted, but not the right to
* distribute the complete modified source code. Modifications are to
* be distributed as patches to the released version. Permission to
* distribute binaries produced by compiling modified sources is granted,
* provided you
* 1. distribute the corresponding source modifications from the
* released version in the form of a patch file along with the binaries,
* 2. add special version identification to distinguish your version
* in addition to the base release version number,
* 3. provide your name and address as the primary contact for the
* support of your modified version, and
* 4. retain our contact information in regard to use of the base
* software.
* Permission to distribute the released version of the source code along
* with corresponding source modifications in the form of a patch file is
* granted with same provisions 2 through 4 for binary distributions.
*
* This software is provided "as is" without express or implied warranty
* to the extent permitted by applicable law.
]*/
/*
* doc2tex.c -- program to convert Gnuplot .DOC format to LaTeX document
* Also will work for VMS .HLP files.
* Modified by Russell Lang from hlp2ms.c by Thomas Williams
* Extended by David Kotz to support quotes ("), backquotes, tables.
* Extended by Jens Emmerich to handle '_', '---', paired single
* quotes. Changed "-handling. Added pre/post-verbatim hooks.
*
*
* usage: doc2tex [file.doc [file.tex]]
*
* where file.doc is a Gnuplot .DOC file, and file.tex will be an
* article document suitable for printing with LaTeX.
*
* typical usage for GNUPLOT:
*
* doc2tex gnuplot.doc gnuplot.tex
* latex gnuplot.tex ; latex gnuplot.tex
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "ansichek.h"
#include "stdfn.h"
#include "doc2x.h"
void init __PROTO((FILE *));
void convert __PROTO((FILE *, FILE *));
void process_line __PROTO((char *, FILE *));
void section __PROTO((char *, FILE *));
void puttex __PROTO((char *, FILE *));
void finish __PROTO((FILE *));
static boolean intable = FALSE;
static boolean verb = FALSE;
int main(argc, argv)
int argc;
char **argv;
{
FILE *infile;
FILE *outfile;
infile = stdin;
outfile = stdout;
if (argc > 3) {
fprintf(stderr, "Usage: %s [infile [outfile]]\n", argv[0]);
exit(EXIT_FAILURE);
}
if (argc >= 2) {
if ((infile = fopen(argv[1], "r")) == (FILE *) NULL) {
fprintf(stderr, "%s: Can't open %s for reading\n",
argv[0], argv[1]);
exit(EXIT_FAILURE);
}
}
if (argc == 3) {
if ((outfile = fopen(argv[2], "w")) == (FILE *) NULL) {
fprintf(stderr, "%s: Can't open %s for writing\n",
argv[0], argv[2]);
exit(EXIT_FAILURE);
}
}
init(outfile);
convert(infile, outfile);
finish(outfile);
exit(EXIT_SUCCESS);
}
void init(b)
FILE *b;
{
(void) fputs("\\input{titlepag.tex}\n", b);
}
void convert(a, b)
FILE *a, *b;
{
static char line[MAX_LINE_LEN+1];
while (get_line(line, sizeof(line), a))
process_line(line, b);
}
void process_line(line, b)
char *line;
FILE *b;
{
switch (line[0]) { /* control character */
case '?':{ /* interactive help entry */
break; /* ignore */
}
case '@':{ /* start/end table */
if (intable) {
(void) fputs("\\hline\n\\end{tabular}\n", b);
(void) fputs("\\end{center}\n", b);
intable = FALSE;
} else {
if (verb) {
(void) fputs("\\end{verbatim}\n", b);
(void) fputs("\\postverbatim\n", b);
verb = FALSE;
}
(void) fputs("\n\\begin{center}\n", b);
/* moved to gnuplot.doc by RCC
(void) fputs("\\begin{tabular}{|ccl|} \\hline\n", b);
*/
intable = TRUE;
}
/* ignore rest of line */
break;
}
case '#':{ /* latex table entry */
if (intable)
(void) fputs(line + 1, b); /* copy directly */
else {
fprintf(stderr, "warning: # line found outside of table\n");
fprintf(stderr, "%s\n", line + 1);
}
break;
}
case '^':{ /* external link escape */
break; /* ignore */
}
case '%':{ /* troff table entry */
break; /* ignore */
}
case '\n': /* empty text line */
case ' ':{ /* normal text line */
if (intable)
break; /* ignore while in table */
if (line[1] == ' ') {
/* verbatim mode */
if (!verb) {
(void) fputs("\\preverbatim\n", b);
(void) fputs("\\begin{verbatim}\n", b);
verb = TRUE;
}
(void) fputs(line + 2, b);
} else {
if (verb) {
(void) fputs("\\end{verbatim}\n", b);
(void) fputs("\\postverbatim\n", b);
verb = FALSE;
}
if (line[0] == '\n')
puttex(line, b); /* handle totally blank line */
else
puttex(line + 1, b);
}
break;
}
default:{
if (isdigit((int) line[0])) { /* start of section */
if (!intable) /* ignore while in table */
section(line, b);
} else
fprintf(stderr, "unknown control code '%c' in column 1\n",
line[0]);
break;
}
}
}
/* process a line with a digit control char */
/* starts a new [sub]section */
void section(line, b)
char *line;
FILE *b;
{
static char string[MAX_LINE_LEN+1];
int sh_i;
if (verb) {
(void) fputs("\\end{verbatim}\n", b);
(void) fputs("\\postverbatim\n", b);
verb = FALSE;
}
(void) sscanf(line, "%d %[^\n]s", &sh_i, string);
switch (sh_i) {
case 1:
(void) fprintf(b, "\\part{");
break;
case 2:
(void) fprintf(b, "\\section{");
break;
case 3:
(void) fprintf(b, "\\subsection{");
break;
case 4:
(void) fprintf(b, "\\subsubsection{");
break;
case 5:
(void) fprintf(b, "\\subsubsubsection{");
break;
default:
case 6:
(void) fprintf(b, "\\paragraph{");
break;
}
if (islower((int) string[0]))
string[0] = toupper(string[0]);
puttex(string, b);
(void) fprintf(b, "}\n");
}
/* put text in string str to file while buffering special TeX characters */
void puttex(str, file)
FILE *file;
register char *str;
{
register char ch;
static boolean inquote = FALSE;
int i;
while ((ch = *str++) != NUL) {
switch (ch) {
case '#':
case '$':
case '%':
case '&':
case '{':
case '}':
(void) fputc('\\', file);
(void) fputc(ch, file);
break;
case '\\':
(void) fputs("$\\backslash$", file);
break;
case '~':
(void) fputs("\\~{\\ }", file);
break;
case '^':
(void) fputs("\\verb+^+", file);
break;
case '>':
case '<':
case '|':
(void) fputc('$', file);
(void) fputc(ch, file);
(void) fputc('$', file);
break;
case '"':
(void) fputs("{\\tt\"}", file);
break;
case '\'':
if (*str == '\'') {
(void) fputs("{'\\,'}", file);
str++;
} else {
(void) fputc(ch, file);
}
break;
case '-':
if ((*str == '-') && (*(str + 1) == '-')) {
(void) fputs(" --- ", file);
str += 2;
} else {
(void) fputc(ch, file);
}
break;
case '`': /* backquotes mean boldface */
if (inquote) {
(void) fputs("}", file);
inquote = FALSE;
} else {
(void) fputs("{\\bf ", file);
inquote = TRUE;
}
break;
case '_': /* emphasised text ? */
for (i = 0; isalpha((int) (*(str + i))); i++);
if ((i > 0) && (*(str + i) == '_') &&
isspace((int) (*(str + i + 1)))) {
(void) fputs("{\\em ", file);
for (; *str != '_'; str++) {
(void) fputc(*str, file);
}
str++;
(void) fputs("\\/}", file);
} else {
(void) fputs("{\\tt\\_}", file);
}
break;
default:
(void) fputc(ch, file);
break;
}
}
}
void finish(b)
FILE *b;
{
(void) fputs("\\end{document}\n", b);
}
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