intltool-extract.in

PSlib是一个用来生成PostScript文件的类库。提供了一个生成PostScript文件的简单方法。

	    $translate = 1;
	    $nodename =~ s/^_//;
	}
	my $lookup = '';

        $spacepreserve = 0 if ((exists $attrs->{"xml:space"}) && ($attrs->{"xml:space"} =~ /^["']?default["']?$/));
        $spacepreserve = 1 if ((exists $attrs->{"xml:space"}) && ($attrs->{"xml:space"} =~ /^["']?preserve["']?$/));

	if ($translate) {
	    $lookup = getXMLstring($content, $spacepreserve);
            if (!$spacepreserve) {
                $lookup =~ s/^\s+//s;
                $lookup =~ s/\s+$//s;
            }

	    if ($lookup && $translate != 2) {
                $comments{$lookup} = $XMLCOMMENT if $XMLCOMMENT;
                $messages{$lookup} = [];
            } elsif ($translate == 2) {
                translate_subnodes($fh, \@all, $language, 1, $spacepreserve);
	    }
	} else {
            $XMLCOMMENT = "";
	    my $count = scalar(@all);
	    if ($count > 0) {
                my $index = 0;
                while ($index < $count) {
                    my $type = $all[$index];
                    my $rest = $all[$index+1];
                    traverse($fh, $type, $rest, $language, $spacepreserve);
                    $index += 2;
                }
	    }
	}
        $XMLCOMMENT = "";
    }
}


# Verbatim copy from intltool-merge.in.in, $fh for compatibility
sub parseTree
{
    my $fh        = shift;
    my $ref       = shift;
    my $language  = shift || "";

    my $name = shift @{ $ref };
    my $cont = shift @{ $ref };

    while (!$name || "$name" eq "1") {
        $name = shift @{ $ref };
        $cont = shift @{ $ref };
    }

    my $spacepreserve = 0;
    my $attrs = @{$cont}[0];
    $spacepreserve = 1 if ((exists $attrs->{"xml:space"}) && ($attrs->{"xml:space"} =~ /^["']?preserve["']?$/));

    traverse($fh, $name, $cont, $language, $spacepreserve);
}

# Verbatim copy from intltool-merge.in.in
sub intltool_tree_comment
{
    my $expat = shift;
    my $data  = $expat->original_string();
    my $clist = $expat->{Curlist};
    my $pos   = $#$clist;

    $data =~ s/^<!--//s;
    $data =~ s/-->$//s;
    push @$clist, 1 => $data;
}

# Verbatim copy from intltool-merge.in.in
sub intltool_tree_cdatastart
{
    my $expat    = shift;
    my $clist = $expat->{Curlist};
    my $pos   = $#$clist;

    push @$clist, 0 => $expat->original_string();
}

# Verbatim copy from intltool-merge.in.in
sub intltool_tree_cdataend
{
    my $expat    = shift;
    my $clist = $expat->{Curlist};
    my $pos   = $#$clist;

    $clist->[$pos] .= $expat->original_string();
}

# Verbatim copy from intltool-merge.in.in
sub intltool_tree_char
{
    my $expat = shift;
    my $text  = shift;
    my $clist = $expat->{Curlist};
    my $pos   = $#$clist;

    # Use original_string so that we retain escaped entities
    # in CDATA sections.
    #
    if ($pos > 0 and $clist->[$pos - 1] eq '0') {
        $clist->[$pos] .= $expat->original_string();
    } else {
        push @$clist, 0 => $expat->original_string();
    }
}

# Verbatim copy from intltool-merge.in.in
sub intltool_tree_start
{
    my $expat    = shift;
    my $tag      = shift;
    my @origlist = ();

    # Use original_string so that we retain escaped entities
    # in attribute values.  We must convert the string to an
    # @origlist array to conform to the structure of the Tree
    # Style.
    #
    my @original_array = split /\x/, $expat->original_string();
    my $source         = $expat->original_string();

    # Remove leading tag.
    #
    $source =~ s|^\s*<\s*(\S+)||s;

    # Grab attribute key/value pairs and push onto @origlist array.
    #
    while ($source)
    {
       if ($source =~ /^\s*([\w:-]+)\s*[=]\s*["]/)
       {
           $source =~ s|^\s*([\w:-]+)\s*[=]\s*["]([^"]*)["]||s;
           push @origlist, $1;
           push @origlist, '"' . $2 . '"';
       }
       elsif ($source =~ /^\s*([\w:-]+)\s*[=]\s*[']/)
       {
           $source =~ s|^\s*([\w:-]+)\s*[=]\s*[']([^']*)[']||s;
           push @origlist, $1;
           push @origlist, "'" . $2 . "'";
       }
       else
       {
           last;
       }
    }

    my $ol = [ { @origlist } ];

    push @{ $expat->{Lists} }, $expat->{Curlist};
    push @{ $expat->{Curlist} }, $tag => $ol;
    $expat->{Curlist} = $ol;
}

# Copied from intltool-merge.in.in and added comment handler.
sub readXml
{
    my $xmldoc = shift || return;
    my $ret = eval 'require XML::Parser';
    if(!$ret) {
        die "You must have XML::Parser installed to run $0\n\n";
    }
    my $xp = new XML::Parser(Style => 'Tree');
    $xp->setHandlers(Char => \&intltool_tree_char);
    $xp->setHandlers(Start => \&intltool_tree_start);
    $xp->setHandlers(CdataStart => \&intltool_tree_cdatastart);
    $xp->setHandlers(CdataEnd => \&intltool_tree_cdataend);

    ## differences from intltool-merge.in.in
    $xp->setHandlers(Comment => \&intltool_tree_comment);
    ## differences end here from intltool-merge.in.in

    my $tree = $xp->parse($xmldoc);
    #print_var($tree);

# <foo><!-- comment --><head id="a">Hello <em>there</em></head><bar>Howdy<ref/></bar>do</foo>
# would be:
# [foo, [{}, 1, "comment", head, [{id => "a"}, 0, "Hello ",  em, [{}, 0, "there"]], bar, 
# [{}, 0, "Howdy",  ref, [{}]], 0, "do" ] ]

    return $tree;
}

sub type_schemas {
    ### For schemas XML files ###
         
    # FIXME: We should handle escaped < (less than)
    while ($input =~ /
                      <locale\ name="C">\s*
                          (<default>\s*(?:<!--([^>]*?)-->\s*)?(.*?)\s*<\/default>\s*)?
                          (<short>\s*(?:<!--([^>]*?)-->\s*)?(.*?)\s*<\/short>\s*)?
                          (<long>\s*(?:<!--([^>]*?)-->\s*)?(.*?)\s*<\/long>\s*)?
                      <\/locale>
                     /sgx) {
        my @totranslate = ($3,$6,$9);
        my @eachcomment = ($2,$5,$8);
        foreach (@totranslate) {
            my $currentcomment = shift @eachcomment;
            next if !$_;
            s/\s+/ /g;
            $messages{entity_decode_minimal($_)} = [];
            $comments{entity_decode_minimal($_)} = $currentcomment if (defined($currentcomment));
        }
    }
}

sub type_rfc822deb {
    ### For rfc822-style Debian configuration files ###

    my $lineno = 1;
    my $type = '';
    while ($input =~ /\G(.*?)(^|\n)(_+)([^:]+):[ \t]*(.*?)(?=\n\S|$)/sg)
    {
        my ($pre, $newline, $underscore, $tag, $text) = ($1, $2, $3, $4, $5);
        while ($pre =~ m/\n/g)
        {
            $lineno ++;
        }
        $lineno += length($newline);
        my @str_list = rfc822deb_split(length($underscore), $text);
        for my $str (@str_list)
        {
            $strcount++;
            $messages{$str} = [];
            $loc{$str} = $lineno;
            $count{$str} = $strcount;
            my $usercomment = '';
            while($pre =~ s/(^|\n)#([^\n]*)$//s)
            {
                $usercomment = "\n" . $2 . $usercomment;
            }
            $comments{$str} = $tag . $usercomment;
        }
        $lineno += ($text =~ s/\n//g);
    }
}

sub rfc822deb_split {
    # Debian defines a special way to deal with rfc822-style files:
    # when a value contain newlines, it consists of
    #   1.  a short form (first line)
    #   2.  a long description, all lines begin with a space,
    #       and paragraphs are separated by a single dot on a line
    # This routine returns an array of all paragraphs, and reformat
    # them.
    # When first argument is 2, the string is a comma separated list of
    # values.
    my $type = shift;
    my $text = shift;
    $text =~ s/^[ \t]//mg;
    return (split(/, */, $text, 0)) if $type ne 1;
    return ($text) if $text !~ /\n/;

    $text =~ s/([^\n]*)\n//;
    my @list = ($1);
    my $str = '';
    for my $line (split (/\n/, $text))
    {
        chomp $line;
        if ($line =~ /^\.\s*$/)
        {
            #  New paragraph
            $str =~ s/\s*$//;
            push(@list, $str);
            $str = '';
        }
        elsif ($line =~ /^\s/)
        {
            #  Line which must not be reformatted
            $str .= "\n" if length ($str) && $str !~ /\n$/;
            $line =~ s/\s+$//;
            $str .= $line."\n";
        }
        else
        {
            #  Continuation line, remove newline
            $str .= " " if length ($str) && $str !~ /\n$/;
            $str .= $line;
        }
    }
    $str =~ s/\s*$//;
    push(@list, $str) if length ($str);
    return @list;
}

sub type_quoted {
    while ($input =~ /\"(([^\"]|\\\")*[^\\\"])\"/g) {
        my $message = $1;
        my $before = $`;
        $message =~ s/\\\"/\"/g;
        $before =~ s/[^\n]//g;
        $messages{$message} = [];
        $loc{$message} = length ($before) + 2;
    }
}

sub type_glade {
    ### For translatable Glade XML files ###

    my $tags = "label|title|text|format|copyright|comments|preview_text|tooltip|message";

    while ($input =~ /<($tags)>([^<]+)<\/($tags)>/sg) {
	# Glade sometimes uses tags that normally mark translatable things for
        # little bits of non-translatable content. We work around this by not
        # translating strings that only includes something like label4 or window1.
	$messages{entity_decode($2)} = [] unless $2 =~ /^(window|label|dialog)[0-9]+$/;
    }
    
    while ($input =~ /<items>(..[^<]*)<\/items>/sg) {
	for my $item (split (/\n/, $1)) {
	    $messages{entity_decode($item)} = [];
	}
    }

    ## handle new glade files
    while ($input =~ /<(property|atkproperty)\s+[^>]*translatable\s*=\s*"yes"(?:\s+[^>]*comments\s*=\s*"([^"]*)")?[^>]*>([^<]+)<\/\1>/sg) {
	$messages{entity_decode($3)} = [] unless $3 =~ /^(window|label)[0-9]+$/;
        if (defined($2) and !($3 =~ /^(window|label)[0-9]+$/)) {
	   $comments{entity_decode($3)} = entity_decode($2) ;
        }
    }
    while ($input =~ /<atkaction\s+action_name="([^>]*)"\s+description="([^>]+)"\/>/sg) {
        $messages{entity_decode_minimal($2)} = [];
    }
}

sub type_scheme {
    my ($line, $i, $state, $str, $trcomment, $char);
    for $line (split(/\n/, $input)) {
        $i = 0;
        $state = 0; # 0 - nothing, 1 - string, 2 - translatable string
        while ($i < length($line)) {
            if (substr($line,$i,1) eq "\"") {
                if ($state == 2) {
                    $comments{$str} = $trcomment if ($trcomment);
                    $messages{$str} = [];
                    $str = '';
                    $state = 0; $trcomment = "";
                } elsif ($state == 1) {
                    $str = '';
                    $state = 0; $trcomment = "";
                } else {
                    $state = 1;
                    $str = '';
                    if ($i>0 && substr($line,$i-1,1) eq '_') {
                        $state = 2;
                    }
                }
            } elsif (!$state) {
                if (substr($line,$i,1) eq ";") {
                    $trcomment = substr($line,$i+1);
                    $trcomment =~ s/^;*\s*//;
                    $i = length($line);
                } elsif ($trcomment && substr($line,$i,1) !~ /\s|\(|\)|_/) {
                    $trcomment = "";
                }
            } else {
                if (substr($line,$i,1) eq "\\") {
                    $char = substr($line,$i+1,1);
                    if ($char ne "\"" && $char ne "\\") {
                       $str = $str . "\\";
                    }
                    $i++;
                }
                $str = $str . substr($line,$i,1);
            }
            $i++;
        }
    }
}

sub msg_write {
    my @msgids;
    if (%count)
    {
        @msgids = sort { $count{$a} <=> $count{$b} } keys %count;
    }
    else
    {
        @msgids = sort keys %messages;
    }
    for my $message (@msgids)
    {
	my $offsetlines = 1;
	$offsetlines++ if $message =~ /%/;
	if (defined ($comments{$message}))
	{
		while ($comments{$message} =~ m/\n/g)
		{
		    $offsetlines++;
		}
	}
	print OUT "# ".($loc{$message} - $offsetlines).  " \"$FILE\"\n"
	        if defined $loc{$message};
   	print OUT "/* ".$comments{$message}." */\n"
                if defined $comments{$message};
   	print OUT "/* xgettext:no-c-format */\n" if $message =~ /%/;
        
    	my @lines = split (/\n/, $message, -1);
    	for (my $n = 0; $n < @lines; $n++)
	{
            if ($n == 0)
            {
 		print OUT "char *s = N_(\""; 
            }
            else
            {  
                print OUT "             \""; 
            }

            print OUT escape($lines[$n]);

            if ($n < @lines - 1)
            {
                print OUT "\\n\"\n"; 
            }
            else
            {
                print OUT "\");\n";  
	    }
        }
    }
}