ace.define(“ace/occur”,, function(require, exports, module) { “use strict”;

var oop = require(“./lib/oop”); var Range = require(“./range”).Range; var Search = require(“./search”).Search; var EditSession = require(“./edit_session”).EditSession; var SearchHighlight = require(“./search_highlight”).SearchHighlight; function Occur() {}

oop.inherits(Occur, Search);

(function() {

this.enter = function(editor, options) {
    if (!options.needle) return false;
    var pos = editor.getCursorPosition();
    this.displayOccurContent(editor, options);
    var translatedPos = this.originalToOccurPosition(editor.session, pos);
    editor.moveCursorToPosition(translatedPos);
    return true;
}
this.exit = function(editor, options) {
    var pos = options.translatePosition && editor.getCursorPosition();
    var translatedPos = pos && this.occurToOriginalPosition(editor.session, pos);
    this.displayOriginalContent(editor);
    if (translatedPos)
        editor.moveCursorToPosition(translatedPos);
    return true;
}

this.highlight = function(sess, regexp) {
    var hl = sess.$occurHighlight = sess.$occurHighlight || sess.addDynamicMarker(
            new SearchHighlight(null, "ace_occur-highlight", "text"));
    hl.setRegexp(regexp);
    sess._emit("changeBackMarker"); // force highlight layer redraw
}

this.displayOccurContent = function(editor, options) {
    this.$originalSession = editor.session;
    var found = this.matchingLines(editor.session, options);
    var lines = found.map(function(foundLine) { return foundLine.content; });
    var occurSession = new EditSession(lines.join('\n'));
    occurSession.$occur = this;
    occurSession.$occurMatchingLines = found;
    editor.setSession(occurSession);
    this.$useEmacsStyleLineStart = this.$originalSession.$useEmacsStyleLineStart;
    occurSession.$useEmacsStyleLineStart = this.$useEmacsStyleLineStart;
    this.highlight(occurSession, options.re);
    occurSession._emit('changeBackMarker');
}

this.displayOriginalContent = function(editor) {
    editor.setSession(this.$originalSession);
    this.$originalSession.$useEmacsStyleLineStart = this.$useEmacsStyleLineStart;
}
this.originalToOccurPosition = function(session, pos) {
    var lines = session.$occurMatchingLines;
    var nullPos = {row: 0, column: 0};
    if (!lines) return nullPos;
    for (var i = 0; i < lines.length; i++) {
        if (lines[i].row === pos.row)
            return {row: i, column: pos.column};
    }
    return nullPos;
}
this.occurToOriginalPosition = function(session, pos) {
    var lines = session.$occurMatchingLines;
    if (!lines || !lines[pos.row])
        return pos;
    return {row: lines[pos.row].row, column: pos.column};
}

this.matchingLines = function(session, options) {
    options = oop.mixin({}, options);
    if (!session || !options.needle) return [];
    var search = new Search();
    search.set(options);
    return search.findAll(session).reduce(function(lines, range) {
        var row = range.start.row;
        var last = lines[lines.length-1];
        return last && last.row === row ?
            lines :
            lines.concat({row: row, content: session.getLine(row)});
    }, []);
}

}).call(Occur.prototype);

var dom = require('./lib/dom'); dom.importCssString(“.ace_occur-highlight {n\

border-radius: 4px;\n\
background-color: rgba(87, 255, 8, 0.25);\n\
position: absolute;\n\
z-index: 4;\n\
-moz-box-sizing: border-box;\n\
-webkit-box-sizing: border-box;\n\
box-sizing: border-box;\n\
box-shadow: 0 0 4px rgb(91, 255, 50);\n\

}n\ .ace_dark .ace_occur-highlight {n\

background-color: rgb(80, 140, 85);\n\
box-shadow: 0 0 4px rgb(60, 120, 70);\n\

}n“, ”incremental-occur-highlighting“);

exports.Occur = Occur;

});

ace.define(“ace/commands/occur_commands”,, function(require, exports, module) {

var config = require(“../config”),

Occur = require("../occur").Occur;

var occurStartCommand = {

name: "occur",
exec: function(editor, options) {
    var alreadyInOccur = !!editor.session.$occur;
    var occurSessionActive = new Occur().enter(editor, options);
    if (occurSessionActive && !alreadyInOccur)
        OccurKeyboardHandler.installIn(editor);
},
readOnly: true

};

var occurCommands = [{

name: "occurexit",
bindKey: 'esc|Ctrl-G',
exec: function(editor) {
    var occur = editor.session.$occur;
    if (!occur) return;
    occur.exit(editor, {});
    if (!editor.session.$occur) OccurKeyboardHandler.uninstallFrom(editor);
},
readOnly: true

}, {

name: "occuraccept",
bindKey: 'enter',
exec: function(editor) {
    var occur = editor.session.$occur;
    if (!occur) return;
    occur.exit(editor, {translatePosition: true});
    if (!editor.session.$occur) OccurKeyboardHandler.uninstallFrom(editor);
},
readOnly: true

}];

var HashHandler = require(“../keyboard/hash_handler”).HashHandler; var oop = require(“../lib/oop”);

function OccurKeyboardHandler() {}

oop.inherits(OccurKeyboardHandler, HashHandler);

;(function() {

this.isOccurHandler = true;

this.attach = function(editor) {
    HashHandler.call(this, occurCommands, editor.commands.platform);
    this.$editor = editor;
}

var handleKeyboard$super = this.handleKeyboard;
this.handleKeyboard = function(data, hashId, key, keyCode) {
    var cmd = handleKeyboard$super.call(this, data, hashId, key, keyCode);
    return (cmd && cmd.command) ? cmd : undefined;
}

}).call(OccurKeyboardHandler.prototype);

OccurKeyboardHandler.installIn = function(editor) {

var handler = new this();
editor.keyBinding.addKeyboardHandler(handler);
editor.commands.addCommands(occurCommands);

}

OccurKeyboardHandler.uninstallFrom = function(editor) {

editor.commands.removeCommands(occurCommands);
var handler = editor.getKeyboardHandler();
if (handler.isOccurHandler)
    editor.keyBinding.removeKeyboardHandler(handler);

}

exports.occurStartCommand = occurStartCommand;

});

ace.define(“ace/commands/incremental_search_commands”,, function(require, exports, module) {

var config = require(“../config”); var oop = require(“../lib/oop”); var HashHandler = require(“../keyboard/hash_handler”).HashHandler; var occurStartCommand = require(“./occur_commands”).occurStartCommand; exports.iSearchStartCommands = [{

name: "iSearch",
bindKey: {win: "Ctrl-F", mac: "Command-F"},
exec: function(editor, options) {
    config.loadModule(["core", "ace/incremental_search"], function(e) {
        var iSearch = e.iSearch = e.iSearch || new e.IncrementalSearch();
        iSearch.activate(editor, options.backwards);
        if (options.jumpToFirstMatch) iSearch.next(options);
    });
},
readOnly: true

}, {

name: "iSearchBackwards",
exec: function(editor, jumpToNext) { editor.execCommand('iSearch', {backwards: true}); },
readOnly: true

}, {

name: "iSearchAndGo",
bindKey: {win: "Ctrl-K", mac: "Command-G"},
exec: function(editor, jumpToNext) { editor.execCommand('iSearch', {jumpToFirstMatch: true, useCurrentOrPrevSearch: true}); },
readOnly: true

}, {

name: "iSearchBackwardsAndGo",
bindKey: {win: "Ctrl-Shift-K", mac: "Command-Shift-G"},
exec: function(editor) { editor.execCommand('iSearch', {jumpToFirstMatch: true, backwards: true, useCurrentOrPrevSearch: true}); },
readOnly: true

}]; exports.iSearchCommands = [{

name: "restartSearch",
bindKey: {win: "Ctrl-F", mac: "Command-F"},
exec: function(iSearch) {
    iSearch.cancelSearch(true);
},
readOnly: true,
isIncrementalSearchCommand: true

}, {

name: "searchForward",
bindKey: {win: "Ctrl-S|Ctrl-K", mac: "Ctrl-S|Command-G"},
exec: function(iSearch, options) {
    options.useCurrentOrPrevSearch = true;
    iSearch.next(options);
},
readOnly: true,
isIncrementalSearchCommand: true

}, {

name: "searchBackward",
bindKey: {win: "Ctrl-R|Ctrl-Shift-K", mac: "Ctrl-R|Command-Shift-G"},
exec: function(iSearch, options) {
    options.useCurrentOrPrevSearch = true;
    options.backwards = true;
    iSearch.next(options);
},
readOnly: true,
isIncrementalSearchCommand: true

}, {

name: "extendSearchTerm",
exec: function(iSearch, string) {
    iSearch.addString(string);
},
readOnly: true,
isIncrementalSearchCommand: true

}, {

name: "extendSearchTermSpace",
bindKey: "space",
exec: function(iSearch) { iSearch.addString(' '); },
readOnly: true,
isIncrementalSearchCommand: true

}, {

name: "shrinkSearchTerm",
bindKey: "backspace",
exec: function(iSearch) {
    iSearch.removeChar();
},
readOnly: true,
isIncrementalSearchCommand: true

}, {

name: 'confirmSearch',
bindKey: 'return',
exec: function(iSearch) { iSearch.deactivate(); },
readOnly: true,
isIncrementalSearchCommand: true

}, {

name: 'cancelSearch',
bindKey: 'esc|Ctrl-G',
exec: function(iSearch) { iSearch.deactivate(true); },
readOnly: true,
isIncrementalSearchCommand: true

}, {

name: 'occurisearch',
bindKey: 'Ctrl-O',
exec: function(iSearch) {
    var options = oop.mixin({}, iSearch.$options);
    iSearch.deactivate();
    occurStartCommand.exec(iSearch.$editor, options);
},
readOnly: true,
isIncrementalSearchCommand: true

}, {

name: "yankNextWord",
bindKey: "Ctrl-w",
exec: function(iSearch) {
    var ed = iSearch.$editor,
        range = ed.selection.getRangeOfMovements(function(sel) { sel.moveCursorWordRight(); }),
        string = ed.session.getTextRange(range);
    iSearch.addString(string);
},
readOnly: true,
isIncrementalSearchCommand: true

}, {

name: "yankNextChar",
bindKey: "Ctrl-Alt-y",
exec: function(iSearch) {
    var ed = iSearch.$editor,
        range = ed.selection.getRangeOfMovements(function(sel) { sel.moveCursorRight(); }),
        string = ed.session.getTextRange(range);
    iSearch.addString(string);
},
readOnly: true,
isIncrementalSearchCommand: true

}, {

name: 'recenterTopBottom',
bindKey: 'Ctrl-l',
exec: function(iSearch) { iSearch.$editor.execCommand('recenterTopBottom'); },
readOnly: true,
isIncrementalSearchCommand: true

}, {

name: 'selectAllMatches',
bindKey: 'Ctrl-space',
exec: function(iSearch) {
    var ed = iSearch.$editor,
        hl = ed.session.$isearchHighlight,
        ranges = hl && hl.cache ? hl.cache
            .reduce(function(ranges, ea) {
                return ranges.concat(ea ? ea : []); }, []) : [];
    iSearch.deactivate(false);
    ranges.forEach(ed.selection.addRange.bind(ed.selection));
},
readOnly: true,
isIncrementalSearchCommand: true

}, {

name: 'searchAsRegExp',
bindKey: 'Alt-r',
exec: function(iSearch) {
    iSearch.convertNeedleToRegExp();
},
readOnly: true,
isIncrementalSearchCommand: true

}];

function IncrementalSearchKeyboardHandler(iSearch) {

this.$iSearch = iSearch;

}

oop.inherits(IncrementalSearchKeyboardHandler, HashHandler);

;(function() {

this.attach = function(editor) {
    var iSearch = this.$iSearch;
    HashHandler.call(this, exports.iSearchCommands, editor.commands.platform);
    this.$commandExecHandler = editor.commands.addEventListener('exec', function(e) {
        if (!e.command.isIncrementalSearchCommand) return undefined;
        e.stopPropagation();
        e.preventDefault();
        return e.command.exec(iSearch, e.args || {});
    });
}

this.detach = function(editor) {
    if (!this.$commandExecHandler) return;
    editor.commands.removeEventListener('exec', this.$commandExecHandler);
    delete this.$commandExecHandler;
}

var handleKeyboard$super = this.handleKeyboard;
this.handleKeyboard = function(data, hashId, key, keyCode) {
    if (((hashId === 1/*ctrl*/ || hashId === 8/*command*/) && key === 'v')
     || (hashId === 1/*ctrl*/ && key === 'y')) return null;
    var cmd = handleKeyboard$super.call(this, data, hashId, key, keyCode);
    if (cmd.command) { return cmd; }
    if (hashId == -1) {
        var extendCmd = this.commands.extendSearchTerm;
        if (extendCmd) { return {command: extendCmd, args: key}; }
    }
    return {command: "null", passEvent: hashId == 0 || hashId == 4};
}

}).call(IncrementalSearchKeyboardHandler.prototype);

exports.IncrementalSearchKeyboardHandler = IncrementalSearchKeyboardHandler;

});

ace.define(“ace/incremental_search”,, function(require, exports, module) { “use strict”;

var oop = require(“./lib/oop”); var Range = require(“./range”).Range; var Search = require(“./search”).Search; var SearchHighlight = require(“./search_highlight”).SearchHighlight; var iSearchCommandModule = require(“./commands/incremental_search_commands”); var ISearchKbd = iSearchCommandModule.IncrementalSearchKeyboardHandler; function IncrementalSearch() {

this.$options = {wrap: false, skipCurrent: false};
this.$keyboardHandler = new ISearchKbd(this);

}

oop.inherits(IncrementalSearch, Search);

function isRegExp(obj) {

return obj instanceof RegExp;

}

function regExpToObject(re) {

var string = String(re),
    start = string.indexOf('/'),
    flagStart = string.lastIndexOf('/');
return {
    expression: string.slice(start+1, flagStart),
    flags: string.slice(flagStart+1)
}

}

function stringToRegExp(string, flags) {

try {
    return new RegExp(string, flags);
} catch (e) { return string; }

}

function objectToRegExp(obj) {

return stringToRegExp(obj.expression, obj.flags);

}

;(function() {

this.activate = function(ed, backwards) {
    this.$editor = ed;
    this.$startPos = this.$currentPos = ed.getCursorPosition();
    this.$options.needle = '';
    this.$options.backwards = backwards;
    ed.keyBinding.addKeyboardHandler(this.$keyboardHandler);
    this.$originalEditorOnPaste = ed.onPaste; ed.onPaste = this.onPaste.bind(this);
    this.$mousedownHandler = ed.addEventListener('mousedown', this.onMouseDown.bind(this));
    this.selectionFix(ed);
    this.statusMessage(true);
}

this.deactivate = function(reset) {
    this.cancelSearch(reset);
    var ed = this.$editor;
    ed.keyBinding.removeKeyboardHandler(this.$keyboardHandler);
    if (this.$mousedownHandler) {
        ed.removeEventListener('mousedown', this.$mousedownHandler);
        delete this.$mousedownHandler;
    }
    ed.onPaste = this.$originalEditorOnPaste;
    this.message('');
}

this.selectionFix = function(editor) {
    if (editor.selection.isEmpty() && !editor.session.$emacsMark) {
        editor.clearSelection();
    }
}

this.highlight = function(regexp) {
    var sess = this.$editor.session,
        hl = sess.$isearchHighlight = sess.$isearchHighlight || sess.addDynamicMarker(
            new SearchHighlight(null, "ace_isearch-result", "text"));
    hl.setRegexp(regexp);
    sess._emit("changeBackMarker"); // force highlight layer redraw
}

this.cancelSearch = function(reset) {
    var e = this.$editor;
    this.$prevNeedle = this.$options.needle;
    this.$options.needle = '';
    if (reset) {
        e.moveCursorToPosition(this.$startPos);
        this.$currentPos = this.$startPos;
    } else {
        e.pushEmacsMark && e.pushEmacsMark(this.$startPos, false);
    }
    this.highlight(null);
    return Range.fromPoints(this.$currentPos, this.$currentPos);
}

this.highlightAndFindWithNeedle = function(moveToNext, needleUpdateFunc) {
    if (!this.$editor) return null;
    var options = this.$options;
    if (needleUpdateFunc) {
        options.needle = needleUpdateFunc.call(this, options.needle || '') || '';
    }
    if (options.needle.length === 0) {
        this.statusMessage(true);
        return this.cancelSearch(true);
    };
    options.start = this.$currentPos;
    var session = this.$editor.session,
        found = this.find(session),
        shouldSelect = this.$editor.emacsMark ?
            !!this.$editor.emacsMark() : !this.$editor.selection.isEmpty();
    if (found) {
        if (options.backwards) found = Range.fromPoints(found.end, found.start);
        this.$editor.selection.setRange(Range.fromPoints(shouldSelect ? this.$startPos : found.end, found.end));
        if (moveToNext) this.$currentPos = found.end;
        this.highlight(options.re)
    }

    this.statusMessage(found);

    return found;
}

this.addString = function(s) {
    return this.highlightAndFindWithNeedle(false, function(needle) {
        if (!isRegExp(needle))
          return needle + s;
        var reObj = regExpToObject(needle);
        reObj.expression += s;
        return objectToRegExp(reObj);
    });
}

this.removeChar = function(c) {
    return this.highlightAndFindWithNeedle(false, function(needle) {
        if (!isRegExp(needle))
          return needle.substring(0, needle.length-1);
        var reObj = regExpToObject(needle);
        reObj.expression = reObj.expression.substring(0, reObj.expression.length-1);
        return objectToRegExp(reObj);
    });
}

this.next = function(options) {
    options = options || {};
    this.$options.backwards = !!options.backwards;
    this.$currentPos = this.$editor.getCursorPosition();
    return this.highlightAndFindWithNeedle(true, function(needle) {
        return options.useCurrentOrPrevSearch && needle.length === 0 ?
            this.$prevNeedle || '' : needle;
    });
}

this.onMouseDown = function(evt) {
    this.deactivate();
    return true;
}

this.onPaste = function(text) {
    this.addString(text);
}

this.convertNeedleToRegExp = function() {
    return this.highlightAndFindWithNeedle(false, function(needle) {
        return isRegExp(needle) ? needle : stringToRegExp(needle, 'ig');
    });
}

this.convertNeedleToString = function() {
    return this.highlightAndFindWithNeedle(false, function(needle) {
        return isRegExp(needle) ? regExpToObject(needle).expression : needle;
    });
}

this.statusMessage = function(found) {
    var options = this.$options, msg = '';
    msg += options.backwards ? 'reverse-' : '';
    msg += 'isearch: ' + options.needle;
    msg += found ? '' : ' (not found)';
    this.message(msg);
}

this.message = function(msg) {
    if (this.$editor.showCommandLine) {
        this.$editor.showCommandLine(msg);
        this.$editor.focus();
    } else {
        console.log(msg);
    }
}

}).call(IncrementalSearch.prototype);

exports.IncrementalSearch = IncrementalSearch;

var dom = require('./lib/dom'); dom.importCssString && dom.importCssString(“\ .ace_marker-layer .ace_isearch-result {\

position: absolute;\
z-index: 6;\
-moz-box-sizing: border-box;\
-webkit-box-sizing: border-box;\
box-sizing: border-box;\

}\ div.ace_isearch-result {\

border-radius: 4px;\
background-color: rgba(255, 200, 0, 0.5);\
box-shadow: 0 0 4px rgb(255, 200, 0);\

}\ .ace_dark div.ace_isearch-result {\

background-color: rgb(100, 110, 160);\
box-shadow: 0 0 4px rgb(80, 90, 140);\

}“, ”incremental-search-highlighting“); var commands = require(”./commands/command_manager“); (function() {

this.setupIncrementalSearch = function(editor, val) {
    if (this.usesIncrementalSearch == val) return;
    this.usesIncrementalSearch = val;
    var iSearchCommands = iSearchCommandModule.iSearchStartCommands;
    var method = val ? 'addCommands' : 'removeCommands';
    this[method](iSearchCommands);
};

}).call(commands.CommandManager.prototype); var Editor = require(“./editor”).Editor; require(“./config”).defineOptions(Editor.prototype, “editor”, {

useIncrementalSearch: {
    set: function(val) {
        this.keyBinding.$handlers.forEach(function(handler) {
            if (handler.setupIncrementalSearch) {
                handler.setupIncrementalSearch(this, val);
            }
        });
        this._emit('incrementalSearchSettingChanged', {isEnabled: val});
    }
}

});

});

ace.define(“ace/keyboard/emacs”,, function(require, exports, module) { “use strict”;

var dom = require(“../lib/dom”); require(“../incremental_search”); var iSearchCommandModule = require(“../commands/incremental_search_commands”);

var screenToTextBlockCoordinates = function(x, y) {

var canvasPos = this.scroller.getBoundingClientRect();

var col = Math.floor(
    (x + this.scrollLeft - canvasPos.left - this.$padding) / this.characterWidth
);
var row = Math.floor(
    (y + this.scrollTop - canvasPos.top) / this.lineHeight
);

return this.session.screenToDocumentPosition(row, col);

};

var HashHandler = require(“./hash_handler”).HashHandler; exports.handler = new HashHandler();

exports.handler.isEmacs = true; exports.handler.$id = “ace/keyboard/emacs”;

var initialized = false; var $formerLongWords; var $formerLineStart;

exports.handler.attach = function(editor) {

if (!initialized) {
    initialized = true;
    dom.importCssString('\
        .emacs-mode .ace_cursor{\
            border: 1px rgba(50,250,50,0.8) solid!important;\
            -moz-box-sizing: border-box!important;\
            -webkit-box-sizing: border-box!important;\
            box-sizing: border-box!important;\
            background-color: rgba(0,250,0,0.9);\
            opacity: 0.5;\
        }\
        .emacs-mode .ace_hidden-cursors .ace_cursor{\
            opacity: 1;\
            background-color: transparent;\
        }\
        .emacs-mode .ace_overwrite-cursors .ace_cursor {\
            opacity: 1;\
            background-color: transparent;\
            border-width: 0 0 2px 2px !important;\
        }\
        .emacs-mode .ace_text-layer {\
            z-index: 4\
        }\
        .emacs-mode .ace_cursor-layer {\
            z-index: 2\
        }', 'emacsMode'
    );
}
$formerLongWords = editor.session.$selectLongWords;
editor.session.$selectLongWords = true;
$formerLineStart = editor.session.$useEmacsStyleLineStart;
editor.session.$useEmacsStyleLineStart = true;

editor.session.$emacsMark = null; // the active mark
editor.session.$emacsMarkRing = editor.session.$emacsMarkRing || [];

editor.emacsMark = function() {
    return this.session.$emacsMark;
};

editor.setEmacsMark = function(p) {
    this.session.$emacsMark = p;
};

editor.pushEmacsMark = function(p, activate) {
    var prevMark = this.session.$emacsMark;
    if (prevMark)
        this.session.$emacsMarkRing.push(prevMark);
    if (!p || activate) this.setEmacsMark(p);
    else this.session.$emacsMarkRing.push(p);
};

editor.popEmacsMark = function() {
    var mark = this.emacsMark();
    if (mark) { this.setEmacsMark(null); return mark; }
    return this.session.$emacsMarkRing.pop();
};

editor.getLastEmacsMark = function(p) {
    return this.session.$emacsMark || this.session.$emacsMarkRing.slice(-1)[0];
};

editor.emacsMarkForSelection = function(replacement) {
    var sel = this.selection,
        multiRangeLength = this.multiSelect ?
            this.multiSelect.getAllRanges().length : 1,
        selIndex = sel.index || 0,
        markRing = this.session.$emacsMarkRing,
        markIndex = markRing.length - (multiRangeLength - selIndex),
        lastMark = markRing[markIndex] || sel.anchor;
    if (replacement) {
        markRing.splice(markIndex, 1,
            "row" in replacement && "column" in replacement ?
                replacement : undefined);
    }
    return lastMark;
}

editor.on("click", $resetMarkMode);
editor.on("changeSession", $kbSessionChange);
editor.renderer.screenToTextCoordinates = screenToTextBlockCoordinates;
editor.setStyle("emacs-mode");
editor.commands.addCommands(commands);
exports.handler.platform = editor.commands.platform;
editor.$emacsModeHandler = this;
editor.addEventListener('copy', this.onCopy);
editor.addEventListener('paste', this.onPaste);

};

exports.handler.detach = function(editor) {

delete editor.renderer.screenToTextCoordinates;
editor.session.$selectLongWords = $formerLongWords;
editor.session.$useEmacsStyleLineStart = $formerLineStart;
editor.removeEventListener("click", $resetMarkMode);
editor.removeEventListener("changeSession", $kbSessionChange);
editor.unsetStyle("emacs-mode");
editor.commands.removeCommands(commands);
editor.removeEventListener('copy', this.onCopy);
editor.removeEventListener('paste', this.onPaste);
editor.$emacsModeHandler = null;

};

var $kbSessionChange = function(e) {

if (e.oldSession) {
    e.oldSession.$selectLongWords = $formerLongWords;
    e.oldSession.$useEmacsStyleLineStart = $formerLineStart;
}

$formerLongWords = e.session.$selectLongWords;
e.session.$selectLongWords = true;
$formerLineStart = e.session.$useEmacsStyleLineStart;
e.session.$useEmacsStyleLineStart = true;

if (!e.session.hasOwnProperty('$emacsMark'))
    e.session.$emacsMark = null;
if (!e.session.hasOwnProperty('$emacsMarkRing'))
    e.session.$emacsMarkRing = [];

};

var $resetMarkMode = function(e) {

e.editor.session.$emacsMark = null;

};

var keys = require(“../lib/keys”).KEY_MODS; var eMods = {C: “ctrl”, S: “shift”, M: “alt”, CMD: “command”}; var combinations = [“C-S-M-CMD”,

"S-M-CMD", "C-M-CMD", "C-S-CMD", "C-S-M",
"M-CMD", "S-CMD", "S-M", "C-CMD", "C-M", "C-S",
"CMD", "M", "S", "C"];

combinations.forEach(function© {

var hashId = 0;
c.split("-").forEach(function(c) {
    hashId = hashId | keys[eMods[c]];
});
eMods[hashId] = c.toLowerCase() + "-";

});

exports.handler.onCopy = function(e, editor) {

if (editor.$handlesEmacsOnCopy) return;
editor.$handlesEmacsOnCopy = true;
exports.handler.commands.killRingSave.exec(editor);
editor.$handlesEmacsOnCopy = false;

};

exports.handler.onPaste = function(e, editor) {

editor.pushEmacsMark(editor.getCursorPosition());

};

exports.handler.bindKey = function(key, command) {

if (typeof key == "object")
    key = key[this.platform];
if (!key)
    return;

var ckb = this.commandKeyBinding;
key.split("|").forEach(function(keyPart) {
    keyPart = keyPart.toLowerCase();
    ckb[keyPart] = command;
    var keyParts = keyPart.split(" ").slice(0,-1);
    keyParts.reduce(function(keyMapKeys, keyPart, i) {
        var prefix = keyMapKeys[i-1] ? keyMapKeys[i-1] + ' ' : '';
        return keyMapKeys.concat([prefix + keyPart]);
    }, []).forEach(function(keyPart) {
        if (!ckb[keyPart]) ckb[keyPart] = "null";
    });
}, this);

};

exports.handler.getStatusText = function(editor, data) {

var str = "";
if (data.count)
  str += data.count;
if (data.keyChain)
  str += " " + data.keyChain
return str;

};

exports.handler.handleKeyboard = function(data, hashId, key, keyCode) {

if (keyCode === -1) return undefined;

var editor = data.editor;
editor._signal("changeStatus");
if (hashId == -1) {
    editor.pushEmacsMark();
    if (data.count) {
        var str = new Array(data.count + 1).join(key);
        data.count = null;
        return {command: "insertstring", args: str};
    }
}

var modifier = eMods[hashId];
if (modifier == "c-" || data.count) {
    var count = parseInt(key[key.length - 1]);
    if (typeof count === 'number' && !isNaN(count)) {
        data.count = Math.max(data.count, 0) || 0;
        data.count = 10 * data.count + count;
        return {command: "null"};
    }
}
if (modifier) key = modifier + key;
if (data.keyChain) key = data.keyChain += " " + key;
var command = this.commandKeyBinding[key];
data.keyChain = command == "null" ? key : "";
if (!command) return undefined;
if (command === "null") return {command: "null"};

if (command === "universalArgument") {
    data.count = -4;
    return {command: "null"};
}
var args;
if (typeof command !== "string") {
    args = command.args;
    if (command.command) command = command.command;
    if (command === "goorselect") {
        command = editor.emacsMark() ? args[1] : args[0];
        args = null;
    }
}

if (typeof command === "string") {
    if (command === "insertstring" ||
        command === "splitline" ||
        command === "togglecomment") {
        editor.pushEmacsMark();
    }
    command = this.commands[command] || editor.commands.commands[command];
    if (!command) return undefined;
}

if (!command.readOnly && !command.isYank)
    data.lastCommand = null;

if (!command.readOnly && editor.emacsMark())
    editor.setEmacsMark(null)

if (data.count) {
    var count = data.count;
    data.count = 0;
    if (!command || !command.handlesCount) {
        return {
            args: args,
            command: {
                exec: function(editor, args) {
                    for (var i = 0; i < count; i++)
                        command.exec(editor, args);
                },
                multiSelectAction: command.multiSelectAction
            }
        };
    } else {
        if (!args) args = {};
        if (typeof args === 'object') args.count = count;
    }
}

return {command: command, args: args};

};

exports.emacsKeys = {

"Up|C-p"      : {command: "goorselect", args: ["golineup","selectup"]},
"Down|C-n"    : {command: "goorselect", args: ["golinedown","selectdown"]},
"Left|C-b"    : {command: "goorselect", args: ["gotoleft","selectleft"]},
"Right|C-f"   : {command: "goorselect", args: ["gotoright","selectright"]},
"C-Left|M-b"  : {command: "goorselect", args: ["gotowordleft","selectwordleft"]},
"C-Right|M-f" : {command: "goorselect", args: ["gotowordright","selectwordright"]},
"Home|C-a"    : {command: "goorselect", args: ["gotolinestart","selecttolinestart"]},
"End|C-e"     : {command: "goorselect", args: ["gotolineend","selecttolineend"]},
"C-Home|S-M-,": {command: "goorselect", args: ["gotostart","selecttostart"]},
"C-End|S-M-." : {command: "goorselect", args: ["gotoend","selecttoend"]},
"S-Up|S-C-p"      : "selectup",
"S-Down|S-C-n"    : "selectdown",
"S-Left|S-C-b"    : "selectleft",
"S-Right|S-C-f"   : "selectright",
"S-C-Left|S-M-b"  : "selectwordleft",
"S-C-Right|S-M-f" : "selectwordright",
"S-Home|S-C-a"    : "selecttolinestart",
"S-End|S-C-e"     : "selecttolineend",
"S-C-Home"        : "selecttostart",
"S-C-End"         : "selecttoend",

"C-l" : "recenterTopBottom",
"M-s" : "centerselection",
"M-g": "gotoline",
"C-x C-p": "selectall",
"C-Down": {command: "goorselect", args: ["gotopagedown","selectpagedown"]},
"C-Up": {command: "goorselect", args: ["gotopageup","selectpageup"]},
"PageDown|C-v": {command: "goorselect", args: ["gotopagedown","selectpagedown"]},
"PageUp|M-v": {command: "goorselect", args: ["gotopageup","selectpageup"]},
"S-C-Down": "selectpagedown",
"S-C-Up": "selectpageup",

"C-s": "iSearch",
"C-r": "iSearchBackwards",

"M-C-s": "findnext",
"M-C-r": "findprevious",
"S-M-5": "replace",
"Backspace": "backspace",
"Delete|C-d": "del",
"Return|C-m": {command: "insertstring", args: "\n"}, // "newline"
"C-o": "splitline",

"M-d|C-Delete": {command: "killWord", args: "right"},
"C-Backspace|M-Backspace|M-Delete": {command: "killWord", args: "left"},
"C-k": "killLine",

"C-y|S-Delete": "yank",
"M-y": "yankRotate",
"C-g": "keyboardQuit",

"C-w|C-S-W": "killRegion",
"M-w": "killRingSave",
"C-Space": "setMark",
"C-x C-x": "exchangePointAndMark",

"C-t": "transposeletters",
"M-u": "touppercase",    // Doesn't work
"M-l": "tolowercase",
"M-/": "autocomplete",   // Doesn't work
"C-u": "universalArgument",

"M-;": "togglecomment",

"C-/|C-x u|S-C--|C-z": "undo",
"S-C-/|S-C-x u|C--|S-C-z": "redo", //infinite undo?
"C-x r":  "selectRectangularRegion",
"M-x": {command: "focusCommandLine", args: "M-x "}

};

exports.handler.bindKeys(exports.emacsKeys);

exports.handler.addCommands({

recenterTopBottom: function(editor) {
    var renderer = editor.renderer;
    var pos = renderer.$cursorLayer.getPixelPosition();
    var h = renderer.$size.scrollerHeight - renderer.lineHeight;
    var scrollTop = renderer.scrollTop;
    if (Math.abs(pos.top - scrollTop) < 2) {
        scrollTop = pos.top - h;
    } else if (Math.abs(pos.top - scrollTop - h * 0.5) < 2) {
        scrollTop = pos.top;
    } else {
        scrollTop = pos.top - h * 0.5;
    }
    editor.session.setScrollTop(scrollTop);
},
selectRectangularRegion:  function(editor) {
    editor.multiSelect.toggleBlockSelection();
},
setMark:  {
    exec: function(editor, args) {

        if (args && args.count) {
            if (editor.inMultiSelectMode) editor.forEachSelection(moveToMark);
            else moveToMark();
            moveToMark();
            return;
        }

        var mark = editor.emacsMark(),
            ranges = editor.selection.getAllRanges(),
            rangePositions = ranges.map(function(r) { return {row: r.start.row, column: r.start.column}; }),
            transientMarkModeActive = true,
            hasNoSelection = ranges.every(function(range) { return range.isEmpty(); });
        if (transientMarkModeActive && (mark || !hasNoSelection)) {
            if (editor.inMultiSelectMode) editor.forEachSelection({exec: editor.clearSelection.bind(editor)})
            else editor.clearSelection();
            if (mark) editor.pushEmacsMark(null);
            return;
        }

        if (!mark) {
            rangePositions.forEach(function(pos) { editor.pushEmacsMark(pos); });
            editor.setEmacsMark(rangePositions[rangePositions.length-1]);
            return;
        }

        function moveToMark() {
            var mark = editor.popEmacsMark();
            mark && editor.moveCursorToPosition(mark);
        }

    },
    readOnly: true,
    handlesCount: true
},
exchangePointAndMark: {
    exec: function exchangePointAndMark$exec(editor, args) {
        var sel = editor.selection;
        if (!args.count && !sel.isEmpty()) { // just invert selection
            sel.setSelectionRange(sel.getRange(), !sel.isBackwards());
            return;
        }

        if (args.count) { // replace mark and point
            var pos = {row: sel.lead.row, column: sel.lead.column};
            sel.clearSelection();
            sel.moveCursorToPosition(editor.emacsMarkForSelection(pos));
        } else { // create selection to last mark
            sel.selectToPosition(editor.emacsMarkForSelection());
        }
    },
    readOnly: true,
    handlesCount: true,
    multiSelectAction: "forEach"
},
killWord: {
    exec: function(editor, dir) {
        editor.clearSelection();
        if (dir == "left")
            editor.selection.selectWordLeft();
        else
            editor.selection.selectWordRight();

        var range = editor.getSelectionRange();
        var text = editor.session.getTextRange(range);
        exports.killRing.add(text);

        editor.session.remove(range);
        editor.clearSelection();
    },
    multiSelectAction: "forEach"
},
killLine: function(editor) {
    editor.pushEmacsMark(null);
    var pos = editor.getCursorPosition();
    if (pos.column === 0 &&
        editor.session.doc.getLine(pos.row).length === 0) {
        editor.selection.selectLine();
    } else {
        editor.clearSelection();
        editor.selection.selectLineEnd();
    }
    var range = editor.getSelectionRange();
    var text = editor.session.getTextRange(range);
    exports.killRing.add(text);

    editor.session.remove(range);
    editor.clearSelection();
},
yank: function(editor) {
    editor.onPaste(exports.killRing.get() || '');
    editor.keyBinding.$data.lastCommand = "yank";
},
yankRotate: function(editor) {
    if (editor.keyBinding.$data.lastCommand != "yank")
        return;
    editor.undo();
    editor.session.$emacsMarkRing.pop(); // also undo recording mark
    editor.onPaste(exports.killRing.rotate());
    editor.keyBinding.$data.lastCommand = "yank";
},
killRegion: {
    exec: function(editor) {
        exports.killRing.add(editor.getCopyText());
        editor.commands.byName.cut.exec(editor);
    },
    readOnly: true,
    multiSelectAction: "forEach"
},
killRingSave: {
    exec: function(editor) {

        editor.$handlesEmacsOnCopy = true;
        var marks = editor.session.$emacsMarkRing.slice(),
            deselectedMarks = [];
        exports.killRing.add(editor.getCopyText());

        setTimeout(function() {
            function deselect() {
                var sel = editor.selection, range = sel.getRange(),
                    pos = sel.isBackwards() ? range.end : range.start;
                deselectedMarks.push({row: pos.row, column: pos.column});
                sel.clearSelection();
            }
            editor.$handlesEmacsOnCopy = false;
            if (editor.inMultiSelectMode) editor.forEachSelection({exec: deselect});
            else deselect();
            editor.session.$emacsMarkRing = marks.concat(deselectedMarks.reverse());
        }, 0);
    },
    readOnly: true
},
keyboardQuit: function(editor) {
    editor.selection.clearSelection();
    editor.setEmacsMark(null);
    editor.keyBinding.$data.count = null;
},
focusCommandLine: function(editor, arg) {
    if (editor.showCommandLine)
        editor.showCommandLine(arg);
}

});

exports.handler.addCommands(iSearchCommandModule.iSearchStartCommands);

var commands = exports.handler.commands; commands.yank.isYank = true; commands.yankRotate.isYank = true;

exports.killRing = {

$data: [],
add: function(str) {
    str && this.$data.push(str);
    if (this.$data.length > 30)
        this.$data.shift();
},
get: function(n) {
    n = n || 1;
    return this.$data.slice(this.$data.length-n, this.$data.length).reverse().join('\n');
},
pop: function() {
    if (this.$data.length > 1)
        this.$data.pop();
    return this.get();
},
rotate: function() {
    this.$data.unshift(this.$data.pop());
    return this.get();
}

};

});