mirror of
https://github.com/icecoder/ICEcoder.git
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231 lines
9.5 KiB
JavaScript
231 lines
9.5 KiB
JavaScript
(function() {
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var count = "";
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var sdir = "f";
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var buf = "";
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var yank = 0;
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var mark = [];
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function emptyBuffer() { buf = ""; }
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function pushInBuffer(str) { buf += str; };
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function pushCountDigit(digit) { return function(cm) {count += digit;} }
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function popCount() { var i = parseInt(count); count = ""; return i || 1; }
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function countTimes(func) {
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if (typeof func == "string") func = CodeMirror.commands[func];
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return function(cm) { for (var i = 0, c = popCount(); i < c; ++i) func(cm); }
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}
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function iterObj(o, f) {
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for (var prop in o) if (o.hasOwnProperty(prop)) f(prop, o[prop]);
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}
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var word = [/\w/, /[^\w\s]/], bigWord = [/\S/];
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function findWord(line, pos, dir, regexps) {
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var stop = 0, next = -1;
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if (dir > 0) { stop = line.length; next = 0; }
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var start = stop, end = stop;
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// Find bounds of next one.
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outer: for (; pos != stop; pos += dir) {
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for (var i = 0; i < regexps.length; ++i) {
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if (regexps[i].test(line.charAt(pos + next))) {
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start = pos;
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for (; pos != stop; pos += dir) {
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if (!regexps[i].test(line.charAt(pos + next))) break;
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}
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end = pos;
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break outer;
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}
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}
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}
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return {from: Math.min(start, end), to: Math.max(start, end)};
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}
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function moveToWord(cm, regexps, dir, where) {
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var cur = cm.getCursor(), ch = cur.ch, line = cm.getLine(cur.line), word;
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while (true) {
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word = findWord(line, ch, dir, regexps);
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ch = word[where == "end" ? "to" : "from"];
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if (ch == cur.ch && word.from != word.to) ch = word[dir < 0 ? "from" : "to"];
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else break;
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}
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cm.setCursor(cur.line, word[where == "end" ? "to" : "from"], true);
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}
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function joinLineNext(cm) {
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var cur = cm.getCursor(), ch = cur.ch, line = cm.getLine(cur.line);
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CodeMirror.commands.goLineEnd(cm);
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if (cur.line != cm.lineCount()) {
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CodeMirror.commands.goLineEnd(cm);
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cm.replaceSelection(" ", "end");
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CodeMirror.commands.delCharRight(cm);
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}
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}
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function editCursor(mode) {
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if (mode == "vim-insert") {
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// put in your cursor css changing code
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} else if (mode == "vim") {
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// put in your cursor css changing code
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}
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}
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function delTillMark(cm, cHar) {
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var i = mark[cHar], l = cm.getCursor().line, start = i > l ? l : i, end = i > l ? i : l;
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cm.setCursor(start);
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for (var c = start; c <= end; c++) {
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pushInBuffer("\n"+cm.getLine(start));
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cm.removeLine(start);
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}
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}
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function yankTillMark(cm, cHar) {
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var i = mark[cHar], l = cm.getCursor().line, start = i > l ? l : i, end = i > l ? i : l;
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for (var c = start; c <= end; c++) {
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pushInBuffer("\n"+cm.getLine(c));
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}
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cm.setCursor(start);
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}
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function goLineStartText(cm) {
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// Go to the start of the line where the text begins, or the end for whitespace-only lines
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var cur = cm.getCursor(), firstNonWS = cm.getLine(cur.line).search(/\S/);
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cm.setCursor(cur.line, firstNonWS == -1 ? line.length : firstNonWS, true);
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}
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var map = CodeMirror.keyMap.vim = {
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"0": function(cm) {count.length > 0 ? pushCountDigit("0")(cm) : CodeMirror.commands.goLineStart(cm);},
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// Pipe (|); TODO: should be *screen* chars, so need a util function to turn tabs into spaces?
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"'|'": function(cm) {cm.setCursor(cm.getCursor().line, popCount() - 1, true);},
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"'^'": function(cm) {popCount(); goLineStartText(cm);},
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"A": function(cm) {popCount(); cm.setCursor(cm.getCursor().line, cm.getCursor().ch+1, true); cm.setOption("keyMap", "vim-insert"); editCursor("vim-insert");},
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"Shift-A": function(cm) {popCount(); CodeMirror.commands.goLineEnd(cm); cm.setOption("keyMap", "vim-insert"); editCursor("vim-insert");},
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"I": function(cm) {popCount(); cm.setOption("keyMap", "vim-insert"); editCursor("vim-insert");},
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"Shift-I": function(cm) {popCount(); goLineStartText(cm); cm.setOption("keyMap", "vim-insert"); editCursor("vim-insert");},
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"O": function(cm) {popCount(); CodeMirror.commands.goLineEnd(cm); CodeMirror.commands.newlineAndIndent(cm); cm.setOption("keyMap", "vim-insert"); editCursor("vim-insert");},
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"Shift-O": function(cm) {popCount(); CodeMirror.commands.goLineStart(cm); cm.replaceSelection("\n", "start"); cm.indentLine(cm.getCursor().line); cm.setOption("keyMap", "vim-insert"); editCursor("vim-insert");},
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"G": function(cm) {cm.setOption("keyMap", "vim-prefix-g");},
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"D": function(cm) {cm.setOption("keyMap", "vim-prefix-d"); emptyBuffer();},
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"Shift-D": function(cm) {
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emptyBuffer();
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mark["Shift-D"] = cm.getCursor(false).line;
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cm.setCursor(cm.getCursor(true).line);
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delTillMark(cm,"Shift-D"); mark = [];
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},
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"M": function(cm) {cm.setOption("keyMap", "vim-prefix-m"); mark = [];},
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"Y": function(cm) {cm.setOption("keyMap", "vim-prefix-y"); emptyBuffer(); yank = 0;},
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"Shift-Y": function(cm) {
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emptyBuffer();
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mark["Shift-D"] = cm.getCursor(false).line;
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cm.setCursor(cm.getCursor(true).line);
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yankTillMark(cm,"Shift-D"); mark = [];
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},
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"/": function(cm) {var f = CodeMirror.commands.find; f && f(cm); sdir = "f"},
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"'?'": function(cm) {
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var f = CodeMirror.commands.find;
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if (f) { f(cm); CodeMirror.commands.findPrev(cm); sdir = "r"; }
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},
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"N": function(cm) {
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var fn = CodeMirror.commands.findNext;
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if (fn) sdir != "r" ? fn(cm) : CodeMirror.commands.findPrev(cm);
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},
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"Shift-N": function(cm) {
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var fn = CodeMirror.commands.findNext;
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if (fn) sdir != "r" ? CodeMirror.commands.findPrev(cm) : fn.findNext(cm);
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},
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"Shift-G": function(cm) {count == "" ? cm.setCursor(cm.lineCount()) : cm.setCursor(parseInt(count)-1); popCount(); CodeMirror.commands.goLineStart(cm);},
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nofallthrough: true
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};
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// Add bindings for number keys
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for (var i = 1; i < 10; ++i) map[i] = pushCountDigit(i);
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// Add bindings that are influenced by number keys
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iterObj({
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"H": "goColumnLeft", "L": "goColumnRight", "J": "goLineDown",
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"K": "goLineUp", "Left": "goColumnLeft", "Right": "goColumnRight",
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"Down": "goLineDown", "Up": "goLineUp", "Backspace": "goCharLeft",
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"Space": "goCharRight",
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"B": function(cm) {moveToWord(cm, word, -1, "end");},
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"E": function(cm) {moveToWord(cm, word, 1, "end");},
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"W": function(cm) {moveToWord(cm, word, 1, "start");},
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"Shift-B": function(cm) {moveToWord(cm, bigWord, -1, "end");},
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"Shift-E": function(cm) {moveToWord(cm, bigWord, 1, "end");},
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"Shift-W": function(cm) {moveToWord(cm, bigWord, 1, "start");},
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"X": function(cm) {CodeMirror.commands.delCharRight(cm)},
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"P": function(cm) {
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var cur = cm.getCursor().line;
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if (buf!= "") {
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CodeMirror.commands.goLineEnd(cm);
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cm.replaceSelection(buf, "end");
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}
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cm.setCursor(cur+1);
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},
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"Shift-X": function(cm) {CodeMirror.commands.delCharLeft(cm)},
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"Shift-J": function(cm) {joinLineNext(cm)},
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"'~'": function(cm) {
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var cur = cm.getCursor(), cHar = cm.getRange({line: cur.line, ch: cur.ch}, {line: cur.line, ch: cur.ch+1});
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cHar = cHar != cHar.toLowerCase() ? cHar.toLowerCase() : cHar.toUpperCase();
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cm.replaceRange(cHar, {line: cur.line, ch: cur.ch}, {line: cur.line, ch: cur.ch+1});
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cm.setCursor(cur.line, cur.ch+1);
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},
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"Ctrl-B": function(cm) {CodeMirror.commands.goPageUp(cm)},
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"Ctrl-F": function(cm) {CodeMirror.commands.goPageDown(cm)},
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"Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
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"U": "undo", "Ctrl-R": "redo", "'$'": "goLineEnd"
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}, function(key, cmd) { map[key] = countTimes(cmd); });
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CodeMirror.keyMap["vim-prefix-g"] = {
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"E": countTimes(function(cm) { moveToWord(cm, word, -1, "start");}),
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"Shift-E": countTimes(function(cm) { moveToWord(cm, bigWord, -1, "start");}),
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auto: "vim",
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nofallthrough: true
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};
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CodeMirror.keyMap["vim-prefix-m"] = {
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auto: "vim",
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nofallthrough: true
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};
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CodeMirror.keyMap["vim-prefix-d"] = {
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"D": countTimes(function(cm) { pushInBuffer("\n"+cm.getLine(cm.getCursor().line)); cm.removeLine(cm.getCursor().line); }),
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"'": function(cm) {cm.setOption("keyMap", "vim-prefix-d'"); emptyBuffer();},
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auto: "vim",
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nofallthrough: true
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};
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CodeMirror.keyMap["vim-prefix-d'"] = {
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auto: "vim",
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nofallthrough: true
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};
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CodeMirror.keyMap["vim-prefix-y'"] = {
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auto: "vim",
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nofallthrough: true
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};
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// iterate through uppercase alphabet char codes
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for (var i = 65; i < 65 + 26; i++) {
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// apply for `letter` and 'Shift-' + `letter`
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for (var m = String.fromCharCode(i); m.length < 8; m = "Shift-" + m) {
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CodeMirror.keyMap["vim-prefix-m"][m] = function(cm) {
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mark[m] = cm.getCursor().line;
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};
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CodeMirror.keyMap["vim-prefix-d'"][m] = function(cm) {
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delTillMark(cm,m);
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};
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CodeMirror.keyMap["vim-prefix-y'"][m] = function(cm) {
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yankTillMark(cm,m);
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};
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}
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}
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CodeMirror.keyMap["vim-prefix-y"] = {
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"Y": countTimes(function(cm) { pushInBuffer("\n"+cm.getLine(cm.getCursor().line+yank)); yank++; }),
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"'": function(cm) {cm.setOption("keyMap", "vim-prefix-y'"); emptyBuffer();},
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auto: "vim",
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nofallthrough: true
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};
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CodeMirror.keyMap["vim-insert"] = {
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// TODO: override navigation keys so that Esc will cancel automatic indentation from o, O, i_<CR>
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"Esc": function(cm) {
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cm.setCursor(cm.getCursor().line, cm.getCursor().ch-1, true);
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cm.setOption("keyMap", "vim");
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editCursor("vim");
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},
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"Ctrl-N": function(cm) {/* Code to bring up autocomplete hint */},
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"Ctrl-P": function(cm) {/* Code to bring up autocomplete hint */},
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fallthrough: ["default"]
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};
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})();
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