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/* Copyright 1999 by Paul Ortyl <ortylp@from.pl> */
#include <stdio.h>
#include <string.h>
#include "lang.h"
#include "export.h"
static int html_open(struct export *e);
static int html_option(struct export *e, int opt, char *arg);
static int html_output(struct export *e, char *name, struct fmt_page *pg);
static char *html_opts[] = // module options
{
"gfx-chr=<char>", // substitute <char> for gfx-symbols
"bare", // no headers
0
};
struct html_data // private data in struct export
{
u8 gfx_chr;
u8 bare;
};
struct export_module export_html = // exported module definition
{
"html", // id
"html", // extension
html_opts, // options
sizeof(struct html_data), // size
html_open, // open
0, // close
html_option, // option
html_output // output
};
#define D ((struct html_data *)e->data)
static int html_open(struct export *e)
{
D->gfx_chr = '#';
D->bare = 0;
//e->reveal=1; // the default should be the same for all formats.
return 0;
}
static int html_option(struct export *e, int opt, char *arg)
{
switch (opt)
{
case 1: // gfx-chr=
D->gfx_chr = *arg ?: ' ';
break;
case 2: // bare (no headers)
D->bare=1;
break;
}
return 0;
}
#define HTML_BLACK "#000000"
#define HTML_RED "#FF0000"
#define HTML_GREEN "#00FF00"
#define HTML_YELLOW "#FFFF00"
#define HTML_BLUE "#0000FF"
#define HTML_MAGENTA "#FF00FF"
#define HTML_CYAN "#00FFFF"
#define HTML_WHITE "#FFFFFF"
#undef UNREADABLE_HTML //no '\n'
#define STRIPPED_HTML //only necessary fields in header
static int html_output(struct export *e, char *name, struct fmt_page *pg)
{
const char* html_colours[]={ HTML_BLACK,
HTML_RED,
HTML_GREEN,
HTML_YELLOW,
HTML_BLUE,
HTML_MAGENTA,
HTML_CYAN,
HTML_WHITE};
FILE *fp;
int x, y;
#ifdef UNREADABLE_HTML
#define HTML_NL
#else
#define HTML_NL fputc('\n',fp);
#endif
if (not(fp = fopen(name, "w")))
{
export_error("cannot create file");
return -1;
}
if (!D->bare)
{
#ifndef STRIPPED_HTML
fputs("<!doctype html public \"-//w3c//dtd html 4.0 transitional//en\">",fp);
HTML_NL
#endif
fputs("<html><head>",fp);
HTML_NL
#ifndef STRIPPED_HTML
fputs("<meta http-equiv=\"Content-Type\" content=\"text/html;",fp);
switch(latin1) {
case LATIN1: fprintf(fp,"charset=iso-8859-1\">"); break;
case LATIN2: fprintf(fp,"charset=iso-8859-2\">"); break;
case KOI8: fprintf(fp,"charset=koi8-r\">"); break;
case GREEK: fprintf(fp,"charset=iso-8859-7\">"); break;
}
HTML_NL
fputs("<meta name=\"GENERATOR\" content=\"alevt-cap\">",fp);
HTML_NL
#else
switch(latin1) {
case LATIN1: fprintf(fp,"<meta charset=iso-8859-1\">"); break;
case LATIN2: fprintf(fp,"<meta charset=iso-8859-2\">"); break;
case KOI8: fprintf(fp,"<meta charset=koi8-r\">"); break;
case GREEK: fprintf(fp,"<meta charset=iso-8859-7\">"); break;
}
HTML_NL
#endif
fputs("</head>",fp);
fputs("<body text=\"#FFFFFF\" bgcolor=\"#000000\">",fp);
HTML_NL
} //bare
fputs("<tt><b>",fp);
HTML_NL
// write tables in form of HTML format
for (y = 0; y < 25; ++y)
{
int last_nonblank=0;
int first_unprinted=0;
int last_space=1;
// previous char was
// is used for deciding to put semicolon or not
int nbsp=0;
// for output filled with ' ' up to 40 chars
// set last_nonblank=39
for (x = 0 ; x < 40; ++x)
{
if (pg->data[y][x].attr & EA_GRAPHIC)
{pg->data[y][x].ch= D->gfx_chr;}
if (pg->data[y][x].ch!=' ')
{
last_nonblank=x;
}
}
for (x = 0 ; x <= last_nonblank ; ++x)
{
if (pg->data[y][x].ch==' ')
{
// if single space between blinking/colour words
// then make the space blinking/colour too
if ((x)&&(x<39))
{
if ((pg->data[y][x-1].ch!=' ')
&&(pg->data[y][x+1].ch!=' ')
&&(pg->data[y][x-1].attr & EA_BLINK)
&&(pg->data[y][x+1].attr & EA_BLINK))
{pg->data[y][x].attr |= EA_BLINK;}
else
{pg->data[y][x].attr &= ~EA_BLINK;}
if ((pg->data[y][x-1].ch!=' ')
&&(pg->data[y][x+1].ch!=' ')
&&(pg->data[y][x-1].fg==pg->data[y][x+1].fg))
{pg->data[y][x].fg=pg->data[y][x-1].fg;}
else
pg->data[y][x].fg=7;
}
else
{
pg->data[y][x].attr &= ~EA_BLINK;
pg->data[y][x].fg=7;
}
}
else
{
// if foreground is black set the foreground to previous
// background colour to let it be visible
if (!pg->data[y][x].fg)
{pg->data[y][x].fg=pg->data[y][x].bg;}
}
//check if attributes changed,
//if yes then print chars and update first_unprinted
//if not then go to next char
if (x)
{
if (((
(pg->data[y][x].attr & EA_BLINK)
==
(pg->data[y][x-1].attr & EA_BLINK)
)
&&
(
pg->data[y][x].fg == pg->data[y][x-1].fg
))
&&(x!=last_nonblank))
{ continue; }
}
else continue;
{
int z=first_unprinted;
for(;(pg->data[y][z].ch==' ') && (z<x);z++)
{
if (last_space)
{
fprintf(fp," ");
last_space=0;
nbsp=1;
}
else
{
fputc(' ',fp);
last_space=1;
nbsp=0;
}
}
first_unprinted=z;
if (z==x) continue;
if (pg->data[y][first_unprinted].attr & EA_BLINK)
{
fprintf(fp,"<blink>");
nbsp=0;
}
if (pg->data[y][first_unprinted].fg!=7)
{
fprintf(fp,"<font color=\"%s\">",
html_colours[pg->data[y][first_unprinted].fg]);
nbsp=0;
}
for(;(z<x)||(z==last_nonblank);z++)
{
if (pg->data[y][z].ch==' ')
{
for(;(pg->data[y][z].ch==' ') && (z<x);z++)
{
if (last_space)
{
fprintf(fp," ");
last_space=0;
nbsp=1;
}
else
{
fputc(' ',fp);
last_space=1;
nbsp=0;
}
}
z--;
}
else
{
//if previous nbsp --> put semicolon!!!
if (nbsp) fputc(';',fp);
fputc(pg->data[y][z].ch,fp);
last_space=0;
nbsp=0;
}
}
if (pg->data[y][first_unprinted].fg!=7)
{
fprintf(fp,"</font>");
}
if (pg->data[y][first_unprinted].attr & EA_BLINK)
fprintf(fp,"</blink>");
first_unprinted=z;
}
}
fputs("<br>",fp);
HTML_NL
}
fputs("</b></tt>",fp);
if (!D->bare)
fputs("</body></html>",fp);
fclose(fp);
return 0;
}
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