Mercurial > pub > Impl

#!/usr/bin/perl -w
use strict;

use Pod::POM;
use Pod::POM::View::HTML;
use File::Spec;

our $LibDir = '../Lib/IMPL';
our $OutDir = 'html';
our $level = 0;

our $index = { name => 'root' };

sub process_file {
    my ($fname,@path) = @_;

    (my $name = $path[$#path]) =~ s/\.pm$//;

    (my $fileUrl = File::Spec->catfile(@path)) =~ s/\.pm$/.html/i;

    $index->{items}{$name}{name} = $name;
    $index->{items}{$name}{url} = $fileUrl;

    (my $fnameOut = File::Spec->catfile($OutDir,@path)) =~ s/\.pm$/.html/i;

    my $dir =$OutDir;
    foreach my $part (@path[0..$#path-1]) {
        $dir = File::Spec->catdir($dir,$part);
        mkdir $dir unless -d $dir;
    }

    open my $hPod, "<:encoding(utf-8)", $fname or die "Failed to open $fname for input: $!";
    open my $hOut, ">:encoding(utf-8)", $fnameOut or die "Failed to open $fnameOut for output: $!";

    my $parser = Pod::POM->new();

    my $pom = $parser->parse_file($hPod);

    $level = @path;

    print $hOut PodViewHTML->print($pom);
}

sub process_dir {
    my ($dirname,@dirs) = @_;

    opendir my $hdir, $dirname or die "faield to open dir $dirname: $!";

    foreach my $entry (readdir $hdir) {
        next if grep $_ eq $entry, '.','..';

        my $path = "$dirname/$entry";

        print "$path";

        if (-d $path) {
            print "\n";
            local $index = exists $index->{items}{$entry} ? $index->{items}{$entry} : ($index->{items}{$entry} = {name => $entry});
            process_dir($path,@dirs,$entry);
        } elsif ($entry =~ /\.(pm|pod)$/) {
            print "\tprocessed\n";
            process_file($path,@dirs,$entry);
        } else {
            print "\tskipped\n";
        }
    }
}

sub build_index {
    my ($hout,$index) = @_;

    print $hout "\n<ul>\n";

    if ($index->{items}) {
        foreach my $itemKey (sort keys %{$index->{items}}) {
            my $item = $index->{items}{$itemKey};
            print $hout "<li>";
            print $hout "<a target='content' href='$item->{url}'>" if $item->{url};
            print $hout $item->{name};
            print $hout "</a>" if $item->{url};
            build_index($hout,$item) if $item->{items};
            print $hout "</li>\n";
        }
    }

    print $hout "</ul>\n";
}

`rm -r html`;
mkdir 'html' unless -d 'html';

process_dir($LibDir);

open my $hout, ">:encoding(utf-8)", "$OutDir/toc.html" or die "failed to open toc.html for output: $!";

print $hout <<HEADER;
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=UTF-8"/>
<title>IMPL reference</title>
</head>
<body>
HEADER

build_index($hout,$index);

print $hout <<FOOTER;
</body>
</html>
FOOTER

undef $hout;

open $hout, ">:encoding(utf-8)","$OutDir/index.html" or die "failed to open index.html for output: $!";

print $hout <<FRAMES;
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=UTF-8"/>
<title>IMPL reference</title>
</head>
<frameset cols="20%,*">
    <frame name="toc" src="toc.html"/>
    <frame name="content" src="about:blank"/>
</frameset>
</html>
FRAMES

package PodViewHTML;
use base qw(Pod::POM::View::HTML);

use IPC::Open2;

sub view_pod {
    my ($self, $pod) = @_;
    return "<html>\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />
    \n<body bgcolor=\"#ffffff\">\n"
     . $pod->content->present($self)
        . "</body>\n</html>\n";
}
sub view_begin {
    my ($self,$begin) = @_;
    return code_highlight(join ("",$begin->content()),$begin->format);
}

sub escape_html {
    my %esc = (
        '&' => '&amp;',
        '>' => '&gt;',
        '<' => '&lt;'
    );

    (my $text = shift) =~ s/([&><])/$esc{$1}/gex;

    return $text;
}

sub view_seq_link {
    my ($self,$text) = @_;

    $text =~ s/(\w+(?:\:\:\w+)+)/
        if (my $url = $self->mk_filelink($1)) {
            "<a href='$url'>$1<\/a>";
        } else {
            $1;
        }
    /gex;

    return "<code>$text</code>";
}

sub mk_filelink {
    my ($self,$package) = @_;

    return undef unless $package;

    my @path = split /::/, $package;

    if ($path[0] eq 'IMPL') {
        shift @path;
        if (-f File::Spec->catfile($LibDir,@path).".pm") {
            return '../'x($level-1) . File::Spec->catfile(@path).'.html';
        }
    }
    return undef;
}

sub view_seq_code {
    goto &view_seq_link;
}

sub view_code {
    my ($self,$code) = @_;

    return code_highlight($code);
}

sub code_highlight {
    my ($text,$format) = @_;

    if ($format) {
        $format =~ s/code//i;
        $format =~ s/\s+//g;
    }

    $format ||= 'perl';

    return "<pre>".escape_html($text)."</pre>\n" if $format =~ /^text$/i;


    my ($hin,$hout);
    local $/ = undef;
    my $pid = eval { open2(
        $hin, $hout, 'source-highlight' => (
            '--src-lang' => $format,
        )
    ) } or return "<pre>".escape_html($text)."</pre>\n";

    binmode $hout, ':encoding(utf8)';
    binmode $hin, ':encoding(utf8)';

    print $hout $text;

    undef $hout;

    my $fragment = <$hin>;

    undef $hin;

    return $fragment;

}
author	cin
date	Tue, 10 Apr 2012 20:08:29 +0400
parents	47dac58691ee
children	dacfe7c0311a