From b13b15133aeb4ac4a2db5f2fe48c5623d42950dc Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Mon, 19 Jul 2010 18:11:32 +0200
Subject: [PATCH] UCW::Temple: Support substitution of named arguments via
 @(name)

---
 UCW/Temple.pm | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/UCW/Temple.pm b/UCW/Temple.pm
index a7591e5..6efa090 100644
--- a/UCW/Temple.pm
+++ b/UCW/Temple.pm
@@ -16,6 +16,7 @@ our @EXPORT_OK = qw();
 
 use IO::File;
 
+our $arguments;
 our @cond;
 
 sub out {
@@ -108,6 +109,11 @@ sub parse_string($) {
 			$x =~ s/^\[//;
 			$x =~ s/\]$//;
 			eval_if_ok($x);
+		} elsif ($t =~ /\G@\(/cgs) {
+			my $x = get_nested(\$t, '\(', '\)');
+			$x =~ s/^\(//;
+			$x =~ s/\)$//;
+			out (defined($arguments->{$x}) ? $arguments->{$x} : "");
 		} elsif ($t =~ /\G\@(\w+)\(/cgs) {
 			my $func = $1;
 			my $args = get_nested(\$t, '(', ')');
@@ -136,8 +142,9 @@ sub parse_file($) {
 	parse_string($text);
 }
 
-sub start()
+sub start($)
 {
+	$arguments = $_[0];
 	@cond = (1);
 }
 
@@ -146,15 +153,17 @@ sub finish()
 	$#cond and die "Unterminated \@if (depth $#cond)";
 }
 
-sub process_file($) {
-	start();
-	parse_file($_[0]);
+sub process_file($;$) {
+	my ($name, $args) = @_;
+	start($args);
+	parse_file($name);
 	finish();
 }
 
-sub process_string($) {
-	start();
-	parse_string($_[0]);
+sub process_string($;$) {
+	my ($string, $args) = @_;
+	start($args);
+	parse_string($string);
 	finish();
 }
 
-- 
2.39.2