gnuplot/docs/doc2rtf.c at master · gnuplot/gnuplot · GitHub

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/* GNUPLOT - doc2rtf.c */

/*[

* 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.

]*/

* doc2rtf.c -- program to convert Gnuplot .DOC format to MS windows

* help (.rtf) format.

* This involves stripping all lines with a leading digit or

* a leading @, #, or %.

* Modified by Maurice Castro from doc2gih.c by Thomas Williams

* usage: doc2rtf file.doc file.rtf [-d]

/* note that tables must begin in at least the second column to */

/* be formatted correctly and tabs are forbidden */

#ifdef HAVE_CONFIG_H

# include "config.h"

#endif

#include "syscfg.h"

#include "stdfn.h"

#define MAX_LINE_LEN 1023

#include "doc2x.h"

#include "xref.h"

static TBOOLEAN debug = FALSE;

void footnote(int, char *, FILE *);

void convert(FILE *, FILE *);

void process_line(char *, FILE *);

int

main (int argc, char **argv)

{

FILE *infile;

FILE *outfile;

if (argc == 4 && argv[3][0] == '-' && argv[3][1] == 'd')

debug = TRUE;

if (argc != 3 && !debug) {

fprintf(stderr, "Usage: %s infile outfile\n", argv[0]);

exit(EXIT_FAILURE);

}

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 ((outfile = fopen(argv[2], "w")) == (FILE *) NULL) {

fprintf(stderr, "%s: Can't open %s for writing\n",

argv[0], argv[2]);

exit(EXIT_FAILURE);

}

parse(infile);

convert(infile, outfile);

return (EXIT_SUCCESS);

}

/* generate an RTF footnote with reference char c and text s */

void

footnote(int c, char *s, FILE *b)

{

fprintf(b, "%c{\\footnote %c %s}\n", c, c, s);

}

void

convert(FILE *a, FILE *b)

{

static char line[MAX_LINE_LEN+1];

/* generate rtf header */

fprintf(b, "{\\rtf1\\ansi "); /* vers 1 rtf, ansi char set */

fprintf(b, "\\deff0"); /* default font font 0 */

/* font table: font 0 proportional, font 1 fixed */

fprintf(b, "{\\fonttbl{\\f0\\fswiss Arial;}{\\f1\\fmodern Courier New;}}\n");

/* process each line of the file */

while (get_line(line, sizeof(line), a)) {

process_line(line, b);

}

/* close final page and generate trailer */

fprintf(b, "}{\\plain \\page}\n");

/* fprintf(b,"}\n"); */ /* HBB: HACK ALERT: only without this, hc31 works */

list_free();

}

void

process_line(char *line, FILE *b)

{

static int line_count = 0;

static char line2[MAX_LINE_LEN+1];

static int last_line;

int i;

int j;

static int startpage = 1;

char str[MAX_LINE_LEN+1];

char topic[MAX_LINE_LEN+1];

int k, l;

static int tabl = 0;

static int para = 0;

static int llpara = 0;

static int inquote = FALSE;

static int inref = FALSE;

struct LIST *klist;

static int initem = FALSE;

line_count++;

i = 0;

j = 0;

while (line[i] != NUL) {

switch (line[i]) {

case '\\':

case '{':

case '}':

line2[j] = '\\';

j++;

line2[j] = line[i];

break;

case '\r':

case '\n':

break;

case '`': /* backquotes mean boldface or link */

if (line[1] == ' ') /* tabular line */

line2[j] = line[i];

else if ((!inref) && (!inquote)) {

k = i + 1; /* index into current string */

l = 0; /* index into topic string */

while ((line[k] != '`') && (line[k] != NUL))

topic[l++] = line[k++];

topic[l] = NUL;

klist = lookup(topic);

if (klist && (k = klist->line) > 0 && (k != last_line)) {

line2[j++] = '{';

line2[j++] = '\\';

line2[j++] = 'u';

line2[j++] = 'l';

line2[j++] = 'd';

line2[j++] = 'b';

line2[j] = ' ';

inref = k;

} else {

if (debug)

fprintf(stderr, "Can't make link for \042%s\042 on line %d\n", topic, line_count);

line2[j++] = '{';

line2[j++] = '\\';

line2[j++] = 'b';

line2[j] = ' ';

inquote = TRUE;

}

} else {

if (inquote && inref)

fprintf(stderr, "Warning: Reference Quote conflict line %d\n", line_count);

if (inquote) {

line2[j] = '}';

inquote = FALSE;

}

if (inref) {

/* must be inref */

sprintf(topic, "%d", inref);

line2[j++] = '}';

line2[j++] = '{';

line2[j++] = '\\';

line2[j++] = 'v';

line2[j++] = ' ';

line2[j++] = 'l';

line2[j++] = 'o';

line2[j++] = 'c';

k = 0;

while (topic[k] != NUL)

line2[j++] = topic[k++];

line2[j] = '}';

inref = 0;

}

break;

default:

line2[j] = line[i];

}

i++;

j++;

line2[j] = NUL;

}

i = 1;

switch (line[0]) { /* control character */

case '?':{ /* interactive help entry */

if ((line2[1] != NUL) && (line2[1] != ' '))

footnote('K', &(line2[1]), b);

break;

}

case '@':{ /* start/end table */

break; /* ignore */

}

case 'D': /* html link to demo figure */

case '^': /* html link escape */

break; /* ignore */

case '=': /* latex index entry */

case 'F': /* latex embedded figure */

case '#': /* latex table entry */

/* or new item entry */

if (strncmp(line2 + 1, "start", 5) == 0) {

fprintf(b, "\\par\n");

initem = TRUE;

} else if (strncmp(line2 + 1, "end", 3) == 0) {

fprintf(b, "\\par\n");

initem = FALSE;

} else if ((line2[1] != NUL) && (line2[1] == 'b')) {

fprintf(b, "\\par\n");

fprintf(b, "\\pard \\plain \\qj \\fs20 \\f0 * ");

fprintf(b, "%s", &line2[2]);

} else if ((line2[1] != NUL) && (line2[1] == '#'))

fprintf(b, "%s", &line2[2]);

break;

case '%':{ /* troff table entry */

break; /* ignore */

}

case '\n': /* empty text line */

fprintf(b, "\\par\n");

llpara = para;

para = 0;

tabl = 0;

break;

case ' ':{ /* normal text line */

if (initem) {

fprintf(b, "%s", &line2[1]);

break;

}

if ((line2[1] == NUL) || (line2[1] == '\n')) {

fprintf(b, "\\par\n");

llpara = para;

para = 0;

tabl = 0;

}

if (line2[1] == ' ') {

if (!tabl) {

fprintf(b, "\\par\n");

}

fprintf(b, "{\\pard \\plain \\f1\\fs20 ");

fprintf(b, "%s", &line2[1]);

fprintf(b, "}\\par\n");

llpara = 0;

para = 0;

tabl = 1;

} else {

if (!para) {

if (llpara)

fprintf(b, "\\par\n"); /* blank line between paragraphs */

llpara = 0;

para = 1; /* not in para so start one */

tabl = 0;

fprintf(b, "\\pard \\plain \\qj \\fs20 \\f0 ");

}

fprintf(b, "%s \n", &line2[1]);

}

break;

}

default:{

if (isdigit((int)line[0])) { /* start of section */

if (startpage) { /* use new level 0 item */

refs(0, b, "\\par", NULL, "\\par{\\uldb %s}{\\v loc%d}\n");

fprintf(b, "}{\\plain \\page}\n");

} else {

refs(last_line, b, "\\par", NULL, "\\par{\\uldb %s}{\\v loc%d}\n");

fprintf(b, "}{\\plain \\page}\n");

}

para = 0; /* not in a paragraph */

tabl = 0;

last_line = line_count;

startpage = 0;

fprintf(b, "{\n");

sprintf(str, "browse:%05d", line_count);

footnote('+', str, b);

footnote('$', &(line2[1]), b); /* title */

fprintf(b, "{\\b \\fs24 %s}\\plain\\par\\par\n", &(line2[1]));

/* output unique ID */

sprintf(str, "loc%d", line_count);

footnote('#', str, b);

} else

fprintf(stderr, "unknown control code '%c' in column 1, line %d\n",

line[0], line_count);

break;

}

gnuplot/docs/doc2rtf.c at master · gnuplot/gnuplot · GitHub

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