fix in JS compressor

This fixes a problem with escaped backslashes in single and double quote
strings.

darcs-hash:20060731223008-7ad00-ebae61a00115b7f32c12eb9355059a1ecf467cd3.gz

_test/cases/lib/exe/js_js_compress.test.php

@@ -49,6 +49,11 @@ class js_js_compress_test extends UnitTestCase {
         $this->assertEqual(js_compress($text), $text);
     }
 
+    function test_dquot2(){
+        $text = 'var foo="Now what \\\\\\" \'do we//get /*here*/ ?";';
+        $this->assertEqual(js_compress($text), $text);
+    }
+
     function test_dquotrunaway(){
         $text = 'var foo="Now where does it end';
         $this->assertEqual(js_compress($text), "$text\n"); //\n is added by compressor

lib/exe/js.php

@@ -290,7 +290,7 @@ function js_compress($s){
         if($ch == '"'){
             $j = 1;
             while( $s{$i+$j} != '"' && ($i+$j < $len)){
-                if( $s{$i+$j} == '\\' && $s{$i+$j+1} == '"' ){
+                if( $s{$i+$j} == '\\' && ($s{$i+$j+1} == '"' || $s{$i+$j+1} == '\\') ){
                     $j += 2;
                 }else{
                     $j += 1;
@@ -305,7 +305,7 @@ function js_compress($s){
         if($ch == "'"){
             $j = 1;
             while( $s{$i+$j} != "'" && ($i+$j < $len)){
-                if( $s{$i+$j} == '\\' && $s{$i+$j+1} == "'" ){
+                if( $s{$i+$j} == '\\' && ($s{$i+$j+1} == "'" || $s{$i+$j+1} == '\\') ){
                     $j += 2;
                 }else{
                     $j += 1;