mirror of
https://github.com/vim/vim.git
synced 2025-10-30 09:47:20 -04:00
229 lines
4.4 KiB
Perl
229 lines
4.4 KiB
Perl
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#!/usr/bin/env perl
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# converts vim documentation to simple html
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# Sirtaj Singh Kang (taj@kde.org)
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# Sun Feb 24 14:49:17 CET 2002
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use strict;
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use vars qw/%url $date/;
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%url = ();
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$date = `date`;
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chop $date;
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sub maplink
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{
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my $tag = shift;
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if( exists $url{ $tag } ){
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return $url{ $tag };
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} else {
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#warn "Unknown hyperlink target: $tag\n";
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$tag =~ s/\.txt//;
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$tag =~ s/</</g;
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$tag =~ s/>/>/g;
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return "<code class=\"badlink\">$tag</code>";
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}
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}
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sub readTagFile
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{
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my($tagfile) = @_;
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my( $tag, $file, $name );
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open(TAGS,"$tagfile") || die "can't read tags\n";
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while( <TAGS> ) {
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next unless /^(\S+)\s+(\S+)\s+/;
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$tag = $1;
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my $label = $tag;
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($file= $2) =~ s/.txt$/.html/g;
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$label =~ s/\.txt//;
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$url{ $tag } = "<a href=\"$file#".escurl($tag)."\">".esctext($label)."</a>";
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}
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close( TAGS );
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}
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sub esctext
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{
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my $text = shift;
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$text =~ s/&/&/g;
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$text =~ s/</</g;
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$text =~ s/>/>/g;
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return $text;
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}
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sub escurl
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{
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my $url = shift;
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$url =~ s/"/%22/g;
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$url =~ s/~/%7E/g;
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$url =~ s/</%3C/g;
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$url =~ s/>/%3E/g;
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$url =~ s/=/%20/g;
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$url =~ s/#/%23/g;
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$url =~ s/\//%2F/g;
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return $url;
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}
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sub vim2html
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{
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my( $infile ) = @_;
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my( $outfile );
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open(IN, "$infile" ) || die "Couldn't read from $infile: $!.\n";
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($outfile = $infile) =~ s:.*/::g;
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$outfile =~ s/\.txt$//g;
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open( OUT, ">$outfile.html" )
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|| die "Couldn't write to $outfile.html: $!.\n";
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my $head = uc( $outfile );
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print OUT<<EOF;
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title>VIM: $outfile</title>
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<link rel="stylesheet" href="vim-stylesheet.css" type="text/css">
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</head>
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<body>
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<h2>$head</h2>
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<pre>
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EOF
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my $inexample = 0;
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while( <IN> ) {
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chop;
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if ( /^\s*[-=]+\s*$/ ) {
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print OUT "</pre><hr><pre>";
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next;
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}
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# examples
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elsif( /^>$/ || /\s>$/ ) {
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$inexample = 1;
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chop;
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}
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elsif ( $inexample && /^([<\S])/ ) {
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$inexample = 0;
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$_ = $' if $1 eq "<";
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}
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s/\s+$//g;
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# Various vim highlights. note that < and > have already been escaped
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# so that HTML doesn't get screwed up.
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my @out = ();
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# print "Text: $_\n";
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LOOP:
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foreach my $token ( split /((?:\|[^\|]+\|)|(?:\*[^\*]+\*))/ ) {
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if ( $token =~ /^\|([^\|]+)\|/ ) {
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# link
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push( @out, "|".maplink( $1 )."|" );
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next LOOP;
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}
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elsif ( $token =~ /^\*([^\*]+)\*/ ) {
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# target
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push( @out,
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"<b class=\"vimtag\">\*<a name=\"".escurl($1)."\">".esctext($1)."<\/a>\*<\/b>");
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next LOOP;
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}
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$_ = esctext($token);
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s/CTRL-(\w+)/<code class="keystroke">CTRL-$1<\/code>/g;
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# parameter <...>
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s/<(.*?)>/<code class="special"><$1><\/code>/g;
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# parameter {...}
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s/\{([^}]*)\}/<code class="special">{$1}<\/code>/g;
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# parameter [...]
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s/\[(range|line|count|offset|cmd|[-+]?num)\]/<code class="special">\[$1\]<\/code>/g;
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# note
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s/(Note:?)/<code class="note">$1<\/code>/gi;
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# local heading
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s/^(.*)\~$/<code class="section">$1<\/code>/g;
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push( @out, $_ );
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}
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$_ = join( "", @out );
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if( $inexample == 2 ) {
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print OUT "<code class=\"example\">$_</code>\n";
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} else {
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print OUT $_,"\n";
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}
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$inexample = 2 if $inexample == 1;
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}
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print OUT<<EOF;
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</pre>
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<p><i>Generated by vim2html on $date</i></p>
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</body>
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</html>
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EOF
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}
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sub usage
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{
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die<<EOF;
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vim2html.pl: converts vim documentation to HTML.
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usage:
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vim2html.pl <tag file> <text files>
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EOF
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}
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sub writeCSS
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{
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open( CSS, ">vim-stylesheet.css" ) || die "Couldn't write stylesheet: $!\n";
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print CSS<<EOF;
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body { background-color: white; color: black;}
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:link { color: rgb(0,137,139); }
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:visited { color: rgb(0,100,100);
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background-color: white; /* should be inherit */ }
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:active { color: rgb(0,200,200);
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background-color: white; /* should be inherit */ }
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B.vimtag { color : rgb(250,0,250); }
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h1, h2 { color: rgb(82,80,82); text-align: center; }
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h3, h4, h5, h6 { color: rgb(82,80,82); }
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.headline { color: rgb(0,137,139); }
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.header { color: rgb(164, 32, 246); }
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.section { color: rgb(164, 32, 246); }
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.keystroke { color: rgb(106, 89, 205); }
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.vim { }
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.example { color: rgb(0, 0, 255); }
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.option { }
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.notvi { }
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.special { color: rgb(106, 89, 205); }
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.note { color: blue; background-color: yellow; }
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.sub {}
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.badlink { color: rgb(0,37,39); }
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EOF
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}
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# main
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usage() if $#ARGV < 2;
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print "Processing tags...\n";
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readTagFile( $ARGV[ 0 ] );
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foreach my $file ( 1..$#ARGV ) {
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print "Processing ".$ARGV[ $file ]."...\n";
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vim2html( $ARGV[ $file ] );
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}
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print "Writing stylesheet...\n";
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writeCSS();
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print "done.\n"
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