1. #1
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    Default Unanswered: Ext.encode and UTF-8 characters

    Unanswered: Ext.encode and UTF-8 characters


    Hi there,
    as already mentioned in the comments of the function Ext.encode (http://docs.sencha.com/ext-js/4-1/#!...-method-encode) there is an unexpected behavior of this function (at least for me).
    When i have some sepcial characters like "german umlauts" "Ä".
    Ext.encode does escape the characters as seen in the following example:

    Code:
    Ext.encode("Bäuerle")
    results in:
    "B\u00e4uerle"
    Of course i tried to enable Ext.USE_NATIVE_JSON to use the native JSON encode methode from the browser if possible but this does result in the same outputs.

    Code:
    var string = "Bäuerle";        
    console.log(string);
    Ext.USE_NATIVE_JSON = true;
    string = Ext.encode(string);
    Ext.USE_NATIVE_JSON = false;
    console.log(string);
    gives me this output:

    Bäuerle
    "B\u00e4uerle"
    I am working with Chrome v24 and Firefox v16.

    May someone give me a hint how to solve this?
    Thanks in advance!

  2. #2
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    Default


    i don't know what you are expecting, but this is the itended behavior

    when using UTF-8 you have to keep in mind, that the first 128 character (same as ASCII) are made up of 1 Byte. when you the first bit is set to 1 (values >=128) a second byte is used to represent the character

    since Umlaute are not specified in ASCII they typically consist of 2 Bytes and are converted to their hex representation for data interchange

    see JSON-specification at json.org
    HTML Code:
    char
    any-Unicode-character-
        except-"-or-\-or-
        control-character\"
     \\
     \/
     \b
     \f
     \n
     \r
     \t
     \u four-hex-digits

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