[Pkg-mozext-commits] [greasemonkey] 05/16: Strip UTF-8 BOM(s) from the front of the user script.

[David Prévot]

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taffit pushed a commit to branch master
in repository greasemonkey.

commit 2abafce33787894dc859a82ce0ea36d853325a22
Author: Anthony Lieuallen <arantius at gmail.com>
Date:   Wed Jan 29 11:47:30 2014 -0500

    Strip UTF-8 BOM(s) from the front of the user script.
    
    Fixes #1823
---
 modules/remoteScript.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/modules/remoteScript.js b/modules/remoteScript.js
index e7aa54c..bb91c03 100644
--- a/modules/remoteScript.js
+++ b/modules/remoteScript.js
@@ -124,8 +124,15 @@ DownloadListener.prototype = {
     var data = binaryInputStream.readByteArray(aCount);
 
     if (this._tryToParse) {
+      // See #1823.  Strip UTF-8 BOM(s) at the very start of the file.
+      while (data && data.length >= 3
+          && data[0] == 0xEF && data[1] == 0xBB && data[2] == 0xBF
+          ) {
+        data = data.slice(3);
+      }
+
       this._data = this._data.concat(data);
-      if (this._parse(aContext)) this._tryToParse = false;
+      this._tryToParse = !this._parse(aContext);
     } else {
       this._data = null;
     }

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