todos re: col browser, converting to HTML/Jamilih, include zip of old…

… add-on

README.md

@@ -6,3 +6,7 @@ A web app / restartless Firefox add-on to allow selection of Unicode
 characters by a variety of means and conversion between various
 Unicode representations such as HTML/XML entities, numeric
 character references, etc.
+
+# Todos
+* Convert XUL-based add-on to HTML5 (use Jamilih for greater flexibility and i18n)
+* Utilize column browser for browsing deep hierarchies such as list of blocks/scripts/categories (also use in filebrowser-enhanced!)

colbrowser/BinFileReader.js

@@ -0,0 +1,162 @@
+/**
+ * BinFileReader.js
+ * You can find more about this function at
+ * http://nagoon97.com/reading-binary-files-using-ajax/
+ * http://nagoon97.wordpress.com/2008/04/06/reading-binary-files-using-ajax/
+ * See also: http://mgran.blogspot.com/2006/08/downloading-binary-streams-with.html
+ *                    http://zamboch.blogspot.com/search?q=overridemimetype
+ * Copyright (c) 2008 Andy G.P. Na <nagoon97@naver.com>
+ * The source code is freely distributable under the terms of an MIT-style license.
+ */
+function BinFileReader(fileURL){
+    var _exception = {};
+    _exception.FileLoadFailed = 1;
+    _exception.EOFReached = 2;
+
+    var filePointer = 0;
+    var fileSize = -1;
+    var fileContents;
+
+    this.getFileSize = function(){
+        return fileSize;
+    }
+
+    this.getFilePointer = function(){
+        return filePointer;
+    }
+
+    this.movePointerTo = function(iTo){
+        if(iTo < 0) filePointer = 0;
+        else if(iTo > this.getFileSize()) throwException(_exception.EOFReached);
+        else filePointer = iTo;
+
+        return filePointer;
+    };
+
+    this.movePointer = function(iDirection){
+        this.movePointerTo(filePointer + iDirection);
+
+        return filePointer;
+    };
+
+    this.readNumber = function(iNumBytes, iFrom){
+        iNumBytes = iNumBytes || 1;
+        iFrom = iFrom || filePointer;
+
+        this.movePointerTo(iFrom + iNumBytes);
+
+        var result = 0;
+        for(var i=iFrom + iNumBytes; i>iFrom; i--){
+            result = result * 256 + this.readByteAt(i-1);
+        }
+
+        return result;
+    };
+
+    this.readString = function(iNumChars, iFrom){
+        iNumChars = iNumChars || 1;
+        iFrom = iFrom || filePointer;
+
+        this.movePointerTo(iFrom);
+
+        var result = "";
+        var tmpTo = iFrom + iNumChars;
+        for(var i=iFrom; i<tmpTo; i++){
+            result += String.fromCharCode(this.readNumber(1));
+        }
+
+        return result;
+    };
+
+    this.readUnicodeString = function(iNumChars, iFrom){
+        iNumChars = iNumChars || 1;
+        iFrom = iFrom || filePointer;
+
+        this.movePointerTo(iFrom);
+
+        var result = "";
+        var tmpTo = iFrom + iNumChars*2;
+        for(var i=iFrom; i<tmpTo; i+=2){
+            result += String.fromCharCode(this.readNumber(2));
+        }
+
+        return result;
+    };
+
+    function throwException(errorCode){
+        switch(errorCode){
+            case _exception.FileLoadFailed:
+                throw new Error('Error: Filed to load "'+fileURL+'"');
+                break;
+            case _exception.EOFReached:
+                throw new Error("Error: EOF reached");
+                break;
+        }
+    }
+
+    function BinFileReaderImpl_IE(fileURL){
+        var vbArr = BinFileReaderImpl_IE_VBAjaxLoader(fileURL);
+        fileContents = vbArr.toArray();
+
+        fileSize = fileContents.length-1;
+
+        if(fileSize < 0) throwException(_exception.FileLoadFailed);
+
+        this.readByteAt = function(i){
+            return fileContents[i];
+        }
+    }
+
+    function BinFileReaderImpl(fileURL){
+        var req = new XMLHttpRequest();
+
+        req.open('GET', fileURL, false);
+
+        //XHR binary charset opt by Marcus Granado 2006 [http://mgran.blogspot.com] 
+        req.overrideMimeType('text/plain; charset=x-user-defined');
+        req.send(null);
+
+        if (req.status != 200) throwException(_exception.FileLoadFailed);
+
+        fileContents = req.responseText;
+
+        fileSize = fileContents.length;
+
+        this.readByteAt = function(i){
+            return fileContents.charCodeAt(i) & 0xff;
+        }
+    }
+    if(/msie/i.test(navigator.userAgent) && !/opera/i.test(navigator.userAgent))
+        BinFileReaderImpl_IE.apply(this, [fileURL]);
+    else
+        BinFileReaderImpl.apply(this, [fileURL]);
+}
+
+document.write('<script type="text/vbscript">\n\
+Function BinFileReaderImpl_IE_VBAjaxLoader(fileName)\n\
+    Dim xhr\n\
+    Set xhr = CreateObject("Microsoft.XMLHTTP")\n\
+\n\
+    xhr.Open "GET", fileName, False\n\
+\n\
+    xhr.setRequestHeader "Accept-Charset", "x-user-defined"\n\
+    xhr.send\n\
+\n\
+    Dim byteArray()\n\
+\n\
+    if xhr.Status = 200 Then\n\
+        Dim byteString\n\
+        Dim i\n\
+\n\
+        byteString=xhr.responseBody\n\
+\n\
+        ReDim byteArray(LenB(byteString))\n\
+\n\
+        For i = 1 To LenB(byteString)\n\
+            byteArray(i-1) = AscB(MidB(byteString, i, 1))\n\
+        Next\n\
+    End If\n\
+\n\
+    BinFileReaderImpl_IE_VBAjaxLoader=byteArray\n\
+End Function\n\
+</script>');