use warnings;
use CGI qw(:standard :escapeHTML -nosticky);
use CGI::Util qw(unescape);
-use CGI::Carp qw(fatalsToBrowser);
+use CGI::Carp qw(fatalsToBrowser set_message);
use Encode;
use Fcntl ':mode';
use File::Find qw();
'javascript-actions' => {
'override' => 0,
'default' => [0]},
+
+ # Syntax highlighting support. This is based on Daniel Svensson's
+ # and Sham Chukoury's work in gitweb-xmms2.git.
+ # It requires the 'highlight' program present in $PATH,
+ # and therefore is disabled by default.
+
+ # To enable system wide have in $GITWEB_CONFIG
+ # $feature{'highlight'}{'default'} = [1];
+
+ 'highlight' => {
+ 'sub' => sub { feature_bool('highlight', @_) },
+ 'override' => 0,
+ 'default' => [0]},
);
sub gitweb_get_feature {
$git_avatar = '';
}
+# custom error handler: 'die <message>' is Internal Server Error
+sub handle_errors_html {
+ my $msg = shift; # it is already HTML escaped
+
+ # to avoid infinite loop where error occurs in die_error,
+ # change handler to default handler, disabling handle_errors_html
+ set_message("Error occured when inside die_error:\n$msg");
+
+ # you cannot jump out of die_error when called as error handler;
+ # the subroutine set via CGI::Carp::set_message is called _after_
+ # HTTP headers are already written, so it cannot write them itself
+ die_error(undef, undef, $msg, -error_handler => 1, -no_http_header => 1);
+}
+set_message(\&handle_errors_html);
+
# dispatch
if (!defined $action) {
if (defined $hash) {
die_error(400, "Project needed");
}
$actions{$action}->();
-exit;
+DONE_GITWEB:
+1;
## ======================================================================
## action links
+# possible values of extra options
+# -full => 0|1 - use absolute/full URL ($my_uri/$my_url as base)
+# -replay => 1 - start from a current view (replay with modifications)
+# -path_info => 0|1 - don't use/use path_info URL (if possible)
sub href {
my %params = @_;
# default is to use -absolute url() i.e. $my_uri
}
my $use_pathinfo = gitweb_check_feature('pathinfo');
- if ($use_pathinfo and defined $params{'project'}) {
+ if (defined $params{'project'} &&
+ (exists $params{-path_info} ? $params{-path_info} : $use_pathinfo)) {
# try to put as many parameters as possible in PATH_INFO:
# - project name
# - action
return $type;
}
+# guess file syntax for syntax highlighting; return undef if no highlighting
+# the name of syntax can (in the future) depend on syntax highlighter used
+sub guess_file_syntax {
+ my ($highlight, $mimetype, $file_name) = @_;
+ return undef unless ($highlight && defined $file_name);
+
+ # configuration for 'highlight' (http://www.andre-simon.de/)
+ # match by basename
+ my %highlight_basename = (
+ #'Program' => 'py',
+ #'Library' => 'py',
+ 'SConstruct' => 'py', # SCons equivalent of Makefile
+ 'Makefile' => 'make',
+ );
+ # match by extension
+ my %highlight_ext = (
+ # main extensions, defining name of syntax;
+ # see files in /usr/share/highlight/langDefs/ directory
+ map { $_ => $_ }
+ qw(py c cpp rb java css php sh pl js tex bib xml awk bat ini spec tcl),
+ # alternate extensions, see /etc/highlight/filetypes.conf
+ 'h' => 'c',
+ map { $_ => 'cpp' } qw(cxx c++ cc),
+ map { $_ => 'php' } qw(php3 php4),
+ map { $_ => 'pl' } qw(perl pm), # perhaps also 'cgi'
+ 'mak' => 'make',
+ map { $_ => 'xml' } qw(xhtml html htm),
+ );
+
+ my $basename = basename($file_name, '.in');
+ return $highlight_basename{$basename}
+ if exists $highlight_basename{$basename};
+
+ $basename =~ /\.([^.]*)$/;
+ my $ext = $1 or return undef;
+ return $highlight_ext{$ext}
+ if exists $highlight_ext{$ext};
+
+ return undef;
+}
+
+# run highlighter and return FD of its output,
+# or return original FD if no highlighting
+sub run_highlighter {
+ my ($fd, $highlight, $syntax) = @_;
+ return $fd unless ($highlight && defined $syntax);
+
+ close $fd
+ or die_error(404, "Reading blob failed");
+ open $fd, quote_command(git_cmd(), "cat-file", "blob", $hash)." | ".
+ "highlight --xhtml --fragment --syntax $syntax |"
+ or die_error(500, "Couldn't open file or run syntax highlighter");
+ return $fd;
+}
+
## ======================================================================
## functions printing HTML: header, footer, error page
+sub get_page_title {
+ my $title = to_utf8($site_name);
+
+ return $title unless (defined $project);
+ $title .= " - " . to_utf8($project);
+
+ return $title unless (defined $action);
+ $title .= "/$action"; # $action is US-ASCII (7bit ASCII)
+
+ return $title unless (defined $file_name);
+ $title .= " - " . esc_path($file_name);
+ if ($action eq "tree" && $file_name !~ m|/$|) {
+ $title .= "/";
+ }
+
+ return $title;
+}
+
sub git_header_html {
my $status = shift || "200 OK";
my $expires = shift;
+ my %opts = @_;
- my $title = "$site_name";
- if (defined $project) {
- $title .= " - " . to_utf8($project);
- if (defined $action) {
- $title .= "/$action";
- if (defined $file_name) {
- $title .= " - " . esc_path($file_name);
- if ($action eq "tree" && $file_name !~ m|/$|) {
- $title .= "/";
- }
- }
- }
- }
+ my $title = get_page_title();
my $content_type;
# require explicit support from the UA if we are to send the page as
# 'application/xhtml+xml', otherwise send it as plain old 'text/html'.
$content_type = 'text/html';
}
print $cgi->header(-type=>$content_type, -charset => 'utf-8',
- -status=> $status, -expires => $expires);
+ -status=> $status, -expires => $expires)
+ unless ($opts{'-no_http_header'});
my $mod_perl_version = $ENV{'MOD_PERL'} ? " $ENV{'MOD_PERL'}" : '';
print <<EOF;
<?xml version="1.0" encoding="utf-8"?>
my $status = shift || 500;
my $error = esc_html(shift) || "Internal Server Error";
my $extra = shift;
+ my %opts = @_;
my %http_responses = (
400 => '400 Bad Request',
500 => '500 Internal Server Error',
503 => '503 Service Unavailable',
);
- git_header_html($http_responses{$status});
+ git_header_html($http_responses{$status}, undef, %opts);
print <<EOF;
<div class="page_body">
<br /><br />
print "</div>\n";
git_footer_html();
- exit;
+ goto DONE_GITWEB
+ unless ($opts{'-error_handler'});
}
## ----------------------------------------------------------------------
open my $fd, "-|", git_cmd(), "cat-file", "blob", $hash
or die_error(500, "Couldn't cat $file_name, $hash");
my $mimetype = blob_mimetype($fd, $file_name);
+ # use 'blob_plain' (aka 'raw') view for files that cannot be displayed
if ($mimetype !~ m!^(?:text/|image/(?:gif|png|jpeg)$)! && -B $fd) {
close $fd;
return git_blob_plain($mimetype);
# we can have blame only for text/* mimetype
$have_blame &&= ($mimetype =~ m!^text/!);
+ my $highlight = gitweb_check_feature('highlight');
+ my $syntax = guess_file_syntax($highlight, $mimetype, $file_name);
+ $fd = run_highlighter($fd, $highlight, $syntax)
+ if $syntax;
+
git_header_html(undef, $expires);
my $formats_nav = '';
if (defined $hash_base && (my %co = parse_commit($hash_base))) {
chomp $line;
$nr++;
$line = untabify($line);
- printf "<div class=\"pre\"><a id=\"l%i\" href=\"" . href(-replay => 1)
- . "#l%i\" class=\"linenr\">%4i</a> %s</div>\n",
- $nr, $nr, $nr, esc_html($line, -nbsp=>1);
+ printf qq!<div class="pre"><a id="l%i" href="%s#l%i" class="linenr">%4i</a> %s</div>\n!,
+ $nr, href(-replay => 1), $nr, $nr, $syntax ? $line : esc_html($line, -nbsp=>1);
}
}
close $fd