gnuplot/docs/windows/doc2html.c at 5.5 · gnuplot/gnuplot · GitHub

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/* GNUPLOT - doc2html.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.

]*/

* doc2html.c -- program to convert Gnuplot .DOC format to MS Windows

* HTML help (.html) format.

* Derived from doc2rtf and doc2html (version 3.7.3) by B. Maerkisch

* usage: doc2html file.doc outputdirectory [-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

#ifdef WXHELP

/* The Microsoft help compiler splits topics and creates the index automatically.

To create help files for wxWidgets we need to do this manually.

Note that this might overwrite the stub index file from CVS. */

#define SPLIT_FILES

#define CREATE_INDEX

#endif

#include "syscfg.h"

#include "stdfn.h"

#define MAX_LINE_LEN 10230

#include "doc2x.h"

#include "xref.h"

#include "version.h"

static TBOOLEAN debug = FALSE;

static char path[PATH_MAX];

static const char name[] = "wgnuplot";

void convert(FILE *, FILE *, FILE *, FILE *);

void process_line(char *, FILE *, FILE *, FILE *);

int

main (int argc, char **argv)

{

FILE *infile;

FILE *outfile;

FILE *contents;

FILE *index = NULL;

char filename[PATH_MAX];

char *last_char;

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

debug = TRUE;

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

fprintf(stderr, "Usage: %s infile outpath\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);

}

strcpy(path, argv[2]);

/* make sure there's a path separator at the end */

last_char = path + strlen(path);

if ((*last_char != DIRSEP1) && (*last_char != DIRSEP2)) {

*last_char++ = DIRSEP1;

*last_char = 0;

}

strcpy(filename, path);

strcat(filename, name);

strcat(filename, ".html");

if ((outfile = fopen(filename, "w")) == (FILE *) NULL) {

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

argv[0], filename);

fclose(infile);

exit(EXIT_FAILURE);

}

strcpy(filename, path);

strcat(filename, name);

strcat(filename, ".hhc");

if ((contents = fopen(filename, "w")) == (FILE *) NULL) {

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

argv[0], filename);

fclose(infile);

fclose(outfile);

exit(EXIT_FAILURE);

}

#ifdef CREATE_INDEX

strcpy(filename, path);

strcat(filename, name);

strcat(filename, ".hhk");

if ((index = fopen(filename, "w")) == (FILE *) NULL) {

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

argv[0], filename);

fclose(infile);

fclose(outfile);

fclose(contents);

exit(EXIT_FAILURE);

}

#endif

parse(infile);

convert(infile, outfile, contents, index);

return EXIT_SUCCESS;

}

void

header(FILE *a, char * title)

{

/* generate html header */

fprintf(a, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\n");

fprintf(a, "<html>\n");

fprintf(a, "<head>\n");

fprintf(a, "<meta http-equiv=\"Content-type\" content=\"text/html; charset=utf-8\">\n");

fprintf(a, "<title>%s</title>\n", title);

fprintf(a, "</head>\n");

fprintf(a, "<body>\n");

}

void

footer(FILE *a)

{

/* close final page and generate trailer */

fprintf(a, "</body>\n");

fprintf(a, "</html>\n");

}

void

convert(FILE *a, FILE *b, FILE *c, FILE *d)

{

static char line[MAX_LINE_LEN+1];

header(b, "gnuplot help");

fprintf(b, "<h1 align=\"center\">gnuplot %s patchlevel %s</h1>\n", VERSION_MAJOR, PATCHLEVEL);

header(c, "gnuplot help contents");

fprintf(c, "<ul>\n");

if (d) {

header(d, "gnuplot help index");

fprintf(d, "<ul>\n");

}

/* process each line of the file */

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

process_line(line, b, c, d);

}

footer(b);

fprintf(c, "</ul>\n");

footer(c);

if (d) {

fprintf(d, "</ul>\n");

footer(d);

}

list_free();

}

void

process_line(char *line, FILE *b, FILE *c, FILE *d)

{

static int line_count = 0;

static char line2[MAX_LINE_LEN+1];

static int last_line;

static int level = 1;

static TBOOLEAN startpage = TRUE;

static TBOOLEAN tabl = FALSE;

static TBOOLEAN intable = FALSE;

static TBOOLEAN skiptable = FALSE;

static TBOOLEAN forcetable = FALSE;

static TBOOLEAN para = FALSE;

static TBOOLEAN inhlink = FALSE;

static TBOOLEAN inkey = FALSE;

static TBOOLEAN inquote = FALSE;

static int inref = 0;

static int klink = 0; /* link number counter */

static char location[PATH_MAX+1] = {0};

struct LIST *klist;

int i, j, k, l;

line_count++;

i = 0;

j = 0;

while (line[i] != NUL) {

switch (line[i]) {

case '<':

line2[j++] = '&';

line2[j++] = 'l';

line2[j++] = 't';

line2[j] = ';';

break;

case '>':

line2[j++] = '&';

line2[j++] = 'g';

line2[j++] = 't';

line2[j] = ';';

break;

case '&':

line2[j++] = '&';

line2[j++] = 'a';

line2[j++] = 'm';

line2[j++] = 'p';

line2[j] = ';';

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)) {

char topic[MAX_LINE_LEN+1];

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)) {

char hyplink1[MAX_LINE_LEN+1];

#if 0

/* K-link: index lookup via ActiveX and JavaScript. */

/* Deactivated, as none of the open source viewers seem to support this */

char id[15];

sprintf(id, "link%i", ++klink);

sprintf(hyplink1, "<OBJECT id=%s type=\"application/x-oleobject\" classid=\"clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11\">\n"

" <PARAM name=\"Command\" value=\"KLink\">\n"

" <PARAM name=\"Item1\" value=\"\">\n"

" <PARAM name=\"Item2\" value=\"%s\">\n"

"</OBJECT>\n"

"<a href=\"JavaScript:%s.Click()\">",

id, topic, id);

if (debug)

fprintf(stderr, "hyper link \"%s\" - %s on line %d\n", topic, id, line_count);

#else

(void)klink; /* Otherwise compiler warning about unused variable */

/* explicit links */

if ((klist->line) > 1)

sprintf(hyplink1, "<a href=\"loc%d.html\">", klist->line);

else

sprintf(hyplink1, "<a href=\"%s.html\">", name);

if (debug)

fprintf(stderr, "hyper link \"%s\" - loc%d.html on line %d\n", topic, klist->line, line_count);

#endif

strcpy(line2 + j, hyplink1);

j += strlen(hyplink1) - 1;

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++] = 'b';

line2[j] = '>';

inquote = TRUE;

}

} else {

if (inquote && inref)

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

if (inquote) {

line2[j++] = '<';

line2[j++] = '/';

line2[j++] = 'b';

line2[j] = '>';

inquote = FALSE;

}

if (inref) {

/* must be inref */

line2[j++] = '<';

line2[j++] = '/';

line2[j++] = 'a';

line2[j] = '>';

inref = 0;

}

break;

default:

line2[j] = line[i];

}

i++;

j++;

line2[j] = NUL;

}

i = 1;

if (inkey && !(line[0] == '?' || line[0] == '=')) {

/* close keyword object */

fprintf(b, "</OBJECT>\n");

inkey = FALSE;

}

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

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

break;

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

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

#ifndef CREATE_INDEX

if (!inkey) {

/* open keyword object */

fprintf(b, "<OBJECT type=\"application/x-oleobject\" classid=\"clsid:1e2a7bd0-dab9-11d0-b93a-00c04fc99f9e\">\n");

inkey = TRUE;

}

/* add keyword */

fprintf(b, " <param name=\"Keyword\" value=\"%s\">\n", &line2[1]);

#else

fprintf(d, "<li> <object type=\"text/sitemap\">\n");

fprintf(d, " <param name=\"Name\" value=\"%s\">\n", &line2[1]);

fprintf(d, " <param name=\"Local\" value=\"%s.html\">\n", location);

fprintf(d, " </object>\n");

/* NB: don't set inkey here */

#endif

if (debug)

fprintf(stderr,"keyword definition: \"%s\" on line %d.\n", line2 + 1, line_count);

}

break;

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

skiptable = !skiptable;

if (!skiptable) forcetable = FALSE;

intable = !intable; /* just for latex list support */

break;

}

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

if ((!inhlink) && (line[3] == 'a') && (line[5] == 'h')) {

char *str;

inhlink = TRUE;

/* remove trailing newline etc */

str = line + strlen(line) - 1;

while (*str == '\r' || *str == '\n') *str-- = NUL;

fprintf(b, "%s", line + 2);

} else if (inhlink) {

inhlink = FALSE;

fputs(line + 2, b); /* copy directly */

} else if (strncmp(line, "^figure_", 8) == 0) {

/* fall through to embedded figure as in doc2web */

;

} else {

if (line[2] == '!') { /* hack for function sections */

const char magic[] = "";

if (strncmp(line+1, magic, strlen(magic)) == 0)

forcetable = TRUE;

}

inhlink = FALSE;

fputs(line + 1, b); /* copy directly */

}

if (strncmp(line, "^figure_", 8) == 0)

; /* Fall through to embedded figure */

else

break;

}

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

if (para) fprintf(b, "</p><p align=\"justify\">\n");

fprintf(b, "<img src=\"%s.png\" alt=\"%s\">\n", line2+1, line2+1);

if (para) fprintf(b, "</p><p align=\"justify\">\n");

break;

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

if (!intable) { /* HACK: we just handle itemized lists */

/* Itemized list outside of table */

if (line[1] == 's')

(void) fputs("<ul>\n", b);

else if (line[1] == 'e')

(void) fputs("</ul>\n", b);

else if (line[1] == 'b') {

/* Bullet */

fprintf(b, "<li>%s\n", line2+2);

}

else if (line[1] == '#') {

/* Continuation of bulleted line */

fputs(line2+2, b);

}

else if (strncmp(line+1, "TeX", 3) != 0) {

if (strchr(line, '\n'))

*(strchr(line, '\n')) = '\0';

fprintf(b, "<li><pre>%s</pre>\n", line + 1);

}

break;

}

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

break; /* ignore */

}

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

if (tabl)

fprintf(b, "</pre>\n");

if (para)

fprintf(b, "</p>\n");

para = FALSE;

tabl = FALSE;

break;

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

if (skiptable && !forcetable) break; /* break */

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

fprintf(b, "\n");

if (para)

fprintf(b, "</p>\n");

para = FALSE;

tabl = FALSE;

} else if (line2[1] == ' ') { /* in table */

if (inhlink) {

int numspaces = 0;

while (line2[numspaces+1] == ' ') numspaces++;

fprintf(b, "<tt>%s</tt>", line2+1+numspaces);

} else {

if (!tabl) {

if (para)

fprintf(b, "</p>\n");

fprintf(b, "<pre>\n");

}

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

para = FALSE;

tabl = TRUE;

}

} else {

if (inhlink) {

/* no newline here! */

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

} else {

if (tabl) {

fprintf(b, "</pre>\n");

tabl = 0;

}

if (!para) {

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

tabl = FALSE;

fprintf(b, "<p align=\"justify\">");

}

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

}

break;

}

default:{

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

int newlevel = line[0]-'0';

char spacer[10];

if (startpage) {

} else {

if (tabl)

fprintf(b, "</pre>\n");

if (para)

fprintf(b, "</p>\n");

}

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

tabl = FALSE;

if (!startpage) /* add list of subtopics */

refs(last_line, b, "<h3>Subtopics</h3>\n<menu>\n", "</menu>\n", "\t<li><a href=\"loc%d.html\">%s</a></li>\n");

last_line = line_count;

fprintf(b, "\n");

/* output unique ID */

if (!startpage)

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

else

strcpy(location, name);

#ifndef SPLIT_FILES

/* let hhc automatically split contents */

if (!startpage) {

fprintf(b, "<OBJECT type=\"application/x-oleobject\" classid=\"clsid:1e2a7bd0-dab9-11d0-b93a-00c04fc99f9e\">\n");

fprintf(b, "<param name=\"New HTML file\" value=\"%s.html\">\n", location);

fprintf(b, "<param name=\"New HTML title\" value=\"%s\">\n", &line2[2]);

fprintf(b, "</OBJECT>\n");

fprintf(b, "<h2>%s</h2>\n", &line2[2]);

}

#else

/* split contents manually */

if (!startpage) {

char newfile[PATH_MAX] = "";

/* close current file */

footer(b);

fclose(b);

/* open new file */

strcat(newfile,path);

strncat(newfile,location,PATH_MAX-strlen(newfile)-6);

strcat(newfile,".html");

if (!(b = fopen(newfile, "w"))) {

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

"doc2html", newfile);

exit(EXIT_FAILURE);

}

header(b, &line2[2]);

fprintf(b, "<h2>%s</h2>\n", &line2[2]);

}

#endif

/* create toc entry */

if (newlevel > level) {

level = newlevel;

memset(spacer, '\t', level);

spacer[level] = NUL;

fprintf(c, "%s<ul>\n", spacer);

} else if (newlevel < level) {

for ( ; newlevel < level; level--) {

memset(spacer, '\t', level);

spacer[level] = NUL;

fprintf(c, "%s</ul>\n", spacer);

}

level = newlevel;

memset(spacer, '\t', level);

spacer[level] = NUL;

fprintf(c, "%s<li> <OBJECT type=\"text/sitemap\">\n", spacer);

fprintf(c, "%s <param name=\"Name\" value=\"%s\">\n", spacer, &line2[2]);

fprintf(c, "%s <param name=\"Local\" value=\"%s.html\">\n", spacer, location);

fprintf(c, "%s </OBJECT>\n", spacer);

if (debug)

fprintf(stderr, "Section \"%s\", Level %i, ID=%s on line %d\n", line2 + 2, level, location, line_count);

startpage = FALSE;

} else

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

line[0], line_count);

break;

}

gnuplot/docs/windows/doc2html.c at 5.5 · gnuplot/gnuplot · GitHub

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