From a834ef7845e8afc3e65165b2e36648c218ee1493 Mon Sep 17 00:00:00 2001
From: Justin Hileman <justin@justinhileman.info>
Date: Fri, 30 Apr 2010 00:09:27 -0400
Subject: [PATCH] Added unescaped pragma.

---
 Mustache.php                                  | 27 ++++++++++++++++---
 examples/pragma_unescaped/PragmaUnescaped.php |  5 ++++
 .../pragma_unescaped.mustache                 |  3 +++
 .../pragma_unescaped/pragma_unescaped.txt     |  2 ++
 test/MustachePragmaUnescapedTest.php          | 15 +++++++++++
 5 files changed, 49 insertions(+), 3 deletions(-)
 create mode 100644 examples/pragma_unescaped/PragmaUnescaped.php
 create mode 100644 examples/pragma_unescaped/pragma_unescaped.mustache
 create mode 100644 examples/pragma_unescaped/pragma_unescaped.txt
 create mode 100644 test/MustachePragmaUnescapedTest.php

diff --git a/Mustache.php b/Mustache.php
index e47e532..8e87331 100644
--- a/Mustache.php
+++ b/Mustache.php
@@ -27,6 +27,18 @@ class Mustache {
 
 	const PRAGMA_DOT_NOTATION = 'DOT-NOTATION';
 
+	/**
+	 * The {{%UNESCAPED}} pragma swaps the meaning of the {{normal}} and {{{unescaped}}}
+	 * Mustache tags. That is, once this pragma is activated the {{normal}} tag will not be
+	 * escaped while the {{{unescaped}}} tag will be escaped.
+	 *
+	 * Pragmas apply only to the current template. Partials, even those included after the
+	 * {{%UNESCAPED}} call, will need their own pragma declaration.
+	 *
+	 * his may be useful in non-HTML Mustache situations.
+	 */
+	const PRAGMA_UNESCAPED    = 'UNESCAPED';
+
 	protected $tagRegEx;
 
 	protected $template = '';
@@ -35,7 +47,8 @@ class Mustache {
 	protected $pragmas  = array();
 
 	protected $pragmasImplemented = array(
-		self::PRAGMA_DOT_NOTATION
+		self::PRAGMA_DOT_NOTATION,
+		self::PRAGMA_UNESCAPED
 	);
 
 	/**
@@ -310,11 +323,19 @@ class Mustache {
 				break;
 			case '{':
 			case '&':
-				return $this->renderUnescaped($tag_name, $context);
+				if ($this->hasPragma(self::PRAGMA_UNESCAPED)) {
+					return $this->renderEscaped($tag_name, $context);
+				} else {
+					return $this->renderUnescaped($tag_name, $context);
+				}
 				break;
 			case '':
 			default:
-				return $this->renderEscaped($tag_name, $context);
+				if ($this->hasPragma(self::PRAGMA_UNESCAPED)) {
+					return $this->renderUnescaped($tag_name, $context);
+				} else {
+					return $this->renderEscaped($tag_name, $context);
+				}
 				break;
 		}
 	}
diff --git a/examples/pragma_unescaped/PragmaUnescaped.php b/examples/pragma_unescaped/PragmaUnescaped.php
new file mode 100644
index 0000000..59681a8
--- /dev/null
+++ b/examples/pragma_unescaped/PragmaUnescaped.php
@@ -0,0 +1,5 @@
+<?php
+
+class PragmaUnescaped extends Mustache {
+	protected $vs = 'Bear > Shark';
+}
\ No newline at end of file
diff --git a/examples/pragma_unescaped/pragma_unescaped.mustache b/examples/pragma_unescaped/pragma_unescaped.mustache
new file mode 100644
index 0000000..76095d7
--- /dev/null
+++ b/examples/pragma_unescaped/pragma_unescaped.mustache
@@ -0,0 +1,3 @@
+{{%UNESCAPED}}
+{{vs}}
+{{{vs}}}
\ No newline at end of file
diff --git a/examples/pragma_unescaped/pragma_unescaped.txt b/examples/pragma_unescaped/pragma_unescaped.txt
new file mode 100644
index 0000000..2860f61
--- /dev/null
+++ b/examples/pragma_unescaped/pragma_unescaped.txt
@@ -0,0 +1,2 @@
+Bear > Shark
+Bear &gt; Shark
\ No newline at end of file
diff --git a/test/MustachePragmaUnescapedTest.php b/test/MustachePragmaUnescapedTest.php
new file mode 100644
index 0000000..559eeab
--- /dev/null
+++ b/test/MustachePragmaUnescapedTest.php
@@ -0,0 +1,15 @@
+<?php
+
+require_once '../Mustache.php';
+require_once 'PHPUnit/Framework.php';
+
+class MustachePragmaUnescapedTest extends PHPUnit_Framework_TestCase {
+
+	public function testPragmaUnescaped() {
+		$m = new Mustache(null, array('title' => 'Bear > Shark'));
+		
+		$this->assertEquals('Bear > Shark', $m->render('{{%UNESCAPED}}{{title}}'));
+		$this->assertEquals('Bear &gt; Shark', $m->render('{{%UNESCAPED}}{{{title}}}'));
+	}
+
+}
\ No newline at end of file