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tex2html.pl
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use strict;
use warnings;
use utf8;
my (@src);
my %ts;
my @close = ();
my @mode = ('init', '');
{
open my $f, '<:encoding(UTF-8)', 'jGuidebook.366.tex';
while(<$f>){
if(!/^%/){
chomp;
push @src, $_;
}
}
close $f;
}
{
open my $f, '>:encoding(UTF-8)', 'docs/jguidebook.366.html';
print $f <<EOF
<html>
<head>
<style type="text/css">
body {
background-color: #000000;
color: #eeeeee;
font-size: 100%;
font-family: 'Meiryo UI', 'メイリオ', Meiryo, 'Hiragino Kaku Gothic Pro', 'ヒラギノ角ゴ Pro W3', sans-serif;
}
h1 {
font-size: 200%;
font-weight: 500;
color: #ccffff;
font-family: monospace;
}
h2 {
font-size: 150%;
font-weight: bold;
border-bottom: 1px solid;
color: #bbeebb;
}
h3 {
margin: 10 15;
font-size: 100%;
font-weight: bold;
color: #ffffcc;
}
dl {
margin: 0 30;
}
dt {
margin: 5 0 2 0;
font-size: 100%;
font-weight: bold;
}
dd {
margin: 0 40;
font-size: 95%;
font-weight: normal;
}
ul.menu {
margin: 0 0 0 10;
padding-left: 0;
/* list-style-type:none; */
}
ul ul.menu {
margin: 0 0 0 10;
padding-left: 10;
list-style-type: none;
}
li {
margin: 5 0;
}
div#searchform {
font-size: 90%;
}
A:link {
color: #99eeee;
/*text-decoration: none;*/
}
A:visited {
color: #bbbbee;
/*text-decoration: none;*/
}
A:active {
color: red;
/*text-decoration: none;*/
}
A:hover {
color: #000000;
background-color: #ccffff;
/*background-color: #bbbbee;*/
text-decoration: none;
}
address {
font-weight: bold;
font-style: normal;
text-align: right;
}
hr {
height: 1px;
width: 95%;
}
p {
margin: 10 20;
line-height: 130%;
}
b {
color: #ffffcc;
}
.italic {
font-style: italic;
}
.bold {
font-weight: bold;
color: #ffffcc;
}
.tt {
font-family: 'Courier New', Courier, monospace;
color: #ffffcc;
}
pre {
padding: 0;
margin: 0;
}
dt {
color: #ffffcc;
}
table {
border: solid 1px #000000;
border-collapse: collapse;
}
</style>
EOF
;
while($#src >= 0){
$_ = shift @src;
if($mode[0] eq 'init'){
if(/^\\begin\{document\}/){
shift @mode;
}
next;
}
if($mode[0] eq 'tabular'){
if(/^\\end\{tabular\}/){
print $f "</table>\n";
shift @mode;
next;
}
my (@l) = split /&/;
print $f '<tr>';
for(@l){
printf $f '<td><pre>%s</pre></td>', strip($_);
}
print $f "</tr>\n";
next;
}
if($mode[0] eq 'table'){
if(/^\\caption\[\]\{(.+)\}/){
my $text = $1;
printf $f "<caption>%s</caption>\n", $text;
next;
}
if(/^\\end\{tabular\}/ || /^\\end\{longtable\}/){
print $f "</table>\n";
shift @mode;
next;
}
if(/^\\hline/){
next;
}
if(/^\\endhead/){
next;
}
my (@l) = split / &/;
print $f '<tr>';
for(@l){
printf $f '<td>%s</td>', strip($_);
}
print $f "</tr>\n";
next;
}
if($mode[0] eq 'pre'){
if(/^\\end\{verbatim\}/){
print $f "</pre>\n";
shift @mode;
next;
}
s@&@&@g;
s@<@<@g;
s@>@>@g;
print $f "$_\n";
next;
}
if($_ eq ''){
if($mode[0] eq 'p'){
print $f "</p>\n";
shift @mode;
}
if($mode[0] eq 'dl'){
print $f "<br/>\n";
}
next;
}
if(/^\\title\{(.+)/){
# 構造決め撃ち
my $text = $1;
$text .= shift @src;
$text =~ s/\\large//gi;
$text =~ s@\{\\it ([^}]+)\\/\}@<span class='italic'>$1</span>@g;
$text =~ s@\\\\@<br/>@g;
$text =~ s@\}$@@g;
my $title = $text;
$title =~ s@<[^>]+>@@g;
printf $f "<title>%s</title>\n</head>\n<body>\n", $title;
printf $f "<h1 style='text-align:center'>%s</h1>\n", $text;
next;
}
if(/^\\author\{(.+)/){
# 構造決め撃ち
my $text = $1;
$text .= shift @src;
$text =~ s@\\\\@<br/>@g;
$text =~ s@\}$@@g;
printf $f "<div style='text-align:center'>%s</div>\n", $text;
next;
}
if(/^\\date\{(.+)\}/){
my $text = $1;
printf $f "<div style='text-align:center'>%s</div>\n", $text;
next;
}
if(/^\\section.?\{(.+)\}/){
my $h = strip($1);
printf $f "<h1>%s</h1>\n", $h;
next;
}
if(/^\\subsection.?\{(.+)\}/){
my $h = strip($1);
printf $f "<h2>%s</h2>\n", $h;
next;
}
if(/^\\subsubsection.?\{(.+)\}/){
my $h = strip($1);
printf $f "<h3>%s</h3>\n", $h;
next;
}
if(/^\\item\[(.*)\]/){
my $text = strip($1);
$text =~ s/\"//g;
$text =~ s/\~//g;
$text =~ s/\$backslash\$/\\/g;
putpop($f);
if($mode[0] eq 'itemize'){
print $f "<li>\n";
push @close, '</li>';
} else {
printf $f "<dt>%s</dt><dd>\n", $text;
push @close, '</dd>';
}
next;
}
if(/^\\blist/){
if($mode[0] eq 'p'){
print $f "</p>\n";
shift @mode;
}
unshift @mode, 'dl';
print $f "<dl>\n";
@close = ();
next;
}
if(/^\\elist/){
shift @mode;
putpop($f);
print $f "</dl>\n";
next;
}
if(/^\\begin\{verbatim\}/){
if($mode[0] eq 'p'){
print $f "</p>\n";
shift @mode;
}
print $f "<pre>\n";
unshift @mode, 'pre';
next;
}
if(/^\\begin\{center\}/){
if($mode[0] eq 'p'){
print $f "</p>\n";
shift @mode;
}
print $f "<div style='text-align:center'>\n";
unshift @mode, 'center';
next;
}
if(/^\\end\{center\}/){
print $f "</div>\n";
shift @mode;
next;
}
if(/^\\begin\{tabular\}/){
print $f "<table>\n";
unshift @mode, 'tabular';
next;
}
if(/^\\begin\{longtable\}/){
print $f "<table>\n";
unshift @mode, 'table';
next;
}
if(/^\\begin\{itemize\}/){
print $f "<ul>\n";
unshift @mode, 'itemize';
next;
}
if(/^\\end\{itemize\}/){
putpop($f);
print $f "</ul>\n";
shift @mode;
next;
}
if(/^\\special\{html:(.+)\}\}/){
print $f $1 . "\n";
next;
}
if(/^\./){
next;
}
if(/^\\clearpage/){
next;
}
if(/^\\maketitle/){
next;
}
if(/^\\medskip/){
next;
}
if(/^\\newlength/){
next;
}
if(/^\\settowidth/){
next;
}
if(/^\\newcommand/){
next;
}
if(/^\\addtolength/){
next;
}
if(/^\\small/){
next;
}
if(/^\\endhead/){
next;
}
if(/^\\begin\{sloppypar\}/){
next;
}
if(/^\\end\{sloppypar\}/){
next;
}
if(/^\\end\{document\}/){
next;
}
if(/^\{\\catcode/){
next;
}
if($_ eq '{'){
next;
}
if($_ eq '}'){
next;
}
#1ヶ所しかないので決め撃ち
s/\$(\d+)\\times(\d+)\$/$1×$2/g;
s@&@&@g;
s@<@<@g;
s@>@>@g;
s@^\\numbox\{([-0-9]+)\}@<span class='tt'>$1</span>@g;
s@\\\"\{(.)\}@&$1uml;@g; #"
s@---@—@g;
s@\{\\it ([^}]+)\\/\}@<span class='italic'>$1</span>@g;
s@\{\\it ([^}]+)}@<span class='italic'>$1</span>@g;
s@\{\\tt ?([^}]+)\\/\}@<span class='tt'>$1</span>@g;
s@\{\\tt ?([^}]+)\}@<span class='tt'>$1</span>@g;
# itより後に処理する必要がある
s@\\mbox\{\{(.+)\}\}@<span class='mbox'>$1</span>@g;
s@\\mbox\{([^\}]+)\}@<span class='mbox'>$1</span>@g;
s@\\\\$@<br/>@g;
s@\\verb(.)(.+?)\g1@$2@g;
s@\\nd @@g;
s@\\/ @ @g;
s@\\(.)@$1@g;
s@`@'@g;
# 既に\は消えているが本文で出てくることはないので決め打ち
s@textbackslash @\\@g;
if($mode[0] eq ''){
print $f "<p>\n";
unshift @mode, 'p';
}
print $f $_ . "\n";
}
print $f <<EOF
</body>
</html>
EOF
;
close $f;
}
sub putpop {
my $f = shift;
my $c;
while ($c = pop @close){
print $f $c . "\n";
}
}
sub strip {
$_ = shift;
s@&@&@g;
s@<@<@g;
s@>@>@g;
s@\\tb\{([^}]+)\}@$1@g;
s@\\bb\{([^}]+)\}@$1@g;
s@\\ib\{([^}]+)\}@$1@g;
s@\{\\bb ([^}]+)\}@$1@g;
s@\{\\rm ([^}]+)\}@$1@g;
s@\{\\tt ([^}]+)\}@$1@g;
s@\\verb(.)(.+?)\g1@$2@g;
s@\\\^\{\}@^@g;
s@\\\^\{([^}]+)\}@^$1@g;
s@\\@@g;
return $_;
}