From 176da19b9321f902effc171acbaef8416ba48be3 Mon Sep 17 00:00:00 2001
From: Andreas Gohr <andi@splitbrain.org>
Date: Sun, 13 May 2007 14:32:30 +0200
Subject: include support for JavaScript files

This patch adds support for include calls in JavaScript files as discussed in [1]

The syntax looks like this:

/* !!include script.js */

All whitespaces are optional (except between !!include and script of course)

[1] http://www.freelists.org/archives/dokuwiki/01-2007/msg00121.html

darcs-hash:20070513123230-7ad00-71a1081aaef1e8f6bc909820927f17d0be71b74e.gz
---
 lib/exe/js.php | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/lib/exe/js.php b/lib/exe/js.php
index a55783a61..ca9fc68a8 100644
--- a/lib/exe/js.php
+++ b/lib/exe/js.php
@@ -91,7 +91,7 @@ function js_out(){
     // load files
     foreach($files as $file){
         echo "\n\n/* XXXXXXXXXX begin of $file XXXXXXXXXX */\n\n";
-        @readfile($file);
+        js_load($file);
         echo "\n\n/* XXXXXXXXXX end of $file XXXXXXXXXX */\n\n";
     }
 
@@ -132,7 +132,7 @@ function js_out(){
     foreach($plugins as $plugin){
         if (@file_exists($plugin)) {
           echo "\n\n/* XXXXXXXXXX begin of $plugin XXXXXXXXXX */\n\n";
-          @readfile($plugin);
+          js_load($plugin);
           echo "\n\n/* XXXXXXXXXX end of $plugin XXXXXXXXXX */\n\n";
         }
     }
@@ -163,6 +163,27 @@ function js_out(){
     print $js;
 }
 
+/**
+ * Load the given file, handle include calls and print it
+ */
+function js_load($file){
+    if(!@file_exists($file)) return;
+
+    $data = io_readFile($file);
+    while(preg_match('#/\*\s*!!include\s+([\w\./]+)\s*\*/#',$data,$match)){
+        $ifile = $match[1];
+        if($ifile{0} != '/') $ifile = dirname($file).'/'.$ifile;
+
+        if(@file_exists($ifile)){
+            $idata = io_readFile($ifile);
+        }else{
+            $idata = '';
+        }
+        $data  = str_replace($match[0],$idata,$data);
+    }
+    echo $data;
+}
+
 /**
  * Checks if a JavaScript Cache file still is valid
  *
-- 
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