// ==UserScript==
// @name anond httpsyntax modification
// @namespace http://anond.hatelabo.jp/20100827132032
// @include http://anond.hatelabo.jp/*
// @description はてな匿名ダイアリーにおけるhttp記法を修正する

// ==/UserScript==

(function(doc){
    var modifyHttp = function(){
        var i = doc.getElementById("text-body").value;
        var j = i.replace(/\[(https?:\/\/[^\]:]+)(?::title=([^\]]*))?\]/g, function() {
            var titleOld = arguments[2]?
                arguments[2]:
                arguments[1];
            var titleNew = "";
            for(var n = 0; n < titleOld.length; n++) {
                if ( titleOld[n] == "\n" ) {
                    titleNew += "\n";
                } else if ( titleOld[n] == "\r" ) {
                    titleNew += "\r";
                } else if ( titleOld[n] == "m") {
                    titleNew += "m";
                } else {
                    titleNew += ("&#"+(titleOld.charCodeAt(n))+";");
                }
                titleNew += "&lrm;";
            }
            return "[" + arguments[1] + ":title=" + titleNew + "]";
        });
        doc.getElementById("text-body").value = j;
    };

    var explain = doc.evaluate('id("body")//span[@class="explain"]', doc, null, 9, null).singleNodeValue;

    var prevButtonPlain = doc.evaluate('id("body")//input[@name="preview"]', doc, null, 9, null).singleNodeValue;
    var prevButtonHttp = prevButtonPlain.cloneNode(false);
    prevButtonHttp.value = '確認する(http修正)', prevButtonHttp.name = 'preview_http';
    prevButtonHttp.addEventListener('click', function(){
        modifyHttp();
        prevButtonPlain.click();
    }, false);
    prevButtonPlain.parentNode.insertBefore(prevButtonHttp, explain);

    var editButtonPlain = doc.evaluate('id("body")//input[@name="edit"]', doc, null, 9, null).singleNodeValue;
    var editButtonHttp = editButtonPlain.cloneNode(false);
    editButtonHttp.value = 'この内容を登録する(http修正)', editButtonHttp.name = 'edit_http';
    editButtonHttp.addEventListener('click', function(){
        modifyHttp();
        editButtonPlain.click();
    }, false);
    editButtonPlain.parentNode.insertBefore(editButtonHttp, explain);
})(content.document);