diff options
Diffstat (limited to 'codemirror_ui/lib/CodeMirror-2.3/keymap/vim.js')
| -rw-r--r-- | codemirror_ui/lib/CodeMirror-2.3/keymap/vim.js | 766 |
1 files changed, 766 insertions, 0 deletions
diff --git a/codemirror_ui/lib/CodeMirror-2.3/keymap/vim.js b/codemirror_ui/lib/CodeMirror-2.3/keymap/vim.js new file mode 100644 index 0000000..2aa6e0f --- /dev/null +++ b/codemirror_ui/lib/CodeMirror-2.3/keymap/vim.js @@ -0,0 +1,766 @@ +// Supported keybindings: +// +// Cursor movement: +// h, j, k, l +// e, E, w, W, b, B +// Ctrl-f, Ctrl-b +// Ctrl-n, Ctrl-p +// $, ^, 0 +// G +// ge, gE +// gg +// f<char>, F<char>, t<char>, T<char> +// Ctrl-o, Ctrl-i TODO (FIXME - Ctrl-O wont work in Chrome) +// /, ?, n, N TODO (does not work) +// #, * TODO +// +// Entering insert mode: +// i, I, a, A, o, O +// s +// ce, cb (without support for number of actions like c3e - TODO) +// cc +// S, C TODO +// cf<char>, cF<char>, ct<char>, cT<char> +// +// Deleting text: +// x, X +// J +// dd, D +// de, db (without support for number of actions like d3e - TODO) +// df<char>, dF<char>, dt<char>, dT<char> +// +// Yanking and pasting: +// yy, Y +// p, P +// p'<char> TODO - test +// y'<char> TODO - test +// m<char> TODO - test +// +// Changing text in place: +// ~ +// r<char> +// +// Visual mode: +// v, V TODO +// +// Misc: +// . TODO +// + +(function() { + var count = ""; + var sdir = "f"; + var buf = ""; + var yank = 0; + var mark = []; + var reptTimes = 0; + function emptyBuffer() { buf = ""; } + function pushInBuffer(str) { buf += str; } + function pushCountDigit(digit) { return function(cm) {count += digit;}; } + function popCount() { var i = parseInt(count, 10); count = ""; return i || 1; } + function iterTimes(func) { + for (var i = 0, c = popCount(); i < c; ++i) func(i, i == c - 1); + } + function countTimes(func) { + if (typeof func == "string") func = CodeMirror.commands[func]; + return function(cm) { iterTimes(function () { func(cm); }); }; + } + + function iterObj(o, f) { + for (var prop in o) if (o.hasOwnProperty(prop)) f(prop, o[prop]); + } + function iterList(l, f) { + for (var i in l) f(l[i]); + } + function toLetter(ch) { + // T -> t, Shift-T -> T, '*' -> *, "Space" -> " " + if (ch.slice(0, 6) == "Shift-") { + return ch.slice(0, 1); + } else { + if (ch == "Space") return " "; + if (ch.length == 3 && ch[0] == "'" && ch[2] == "'") return ch[1]; + return ch.toLowerCase(); + } + } + var SPECIAL_SYMBOLS = "~`!@#$%^&*()_-+=[{}]\\|/?.,<>:;\"\'1234567890"; + function toCombo(ch) { + // t -> T, T -> Shift-T, * -> '*', " " -> "Space" + if (ch == " ") return "Space"; + var specialIdx = SPECIAL_SYMBOLS.indexOf(ch); + if (specialIdx != -1) return "'" + ch + "'"; + if (ch.toLowerCase() == ch) return ch.toUpperCase(); + return "Shift-" + ch.toUpperCase(); + } + + var word = [/\w/, /[^\w\s]/], bigWord = [/\S/]; + function findWord(line, pos, dir, regexps) { + var stop = 0, next = -1; + if (dir > 0) { stop = line.length; next = 0; } + var start = stop, end = stop; + // Find bounds of next one. + outer: for (; pos != stop; pos += dir) { + for (var i = 0; i < regexps.length; ++i) { + if (regexps[i].test(line.charAt(pos + next))) { + start = pos; + for (; pos != stop; pos += dir) { + if (!regexps[i].test(line.charAt(pos + next))) break; + } + end = pos; + break outer; + } + } + } + return {from: Math.min(start, end), to: Math.max(start, end)}; + } + function moveToWord(cm, regexps, dir, times, where) { + var cur = cm.getCursor(); + + for (var i = 0; i < times; i++) { + var line = cm.getLine(cur.line), startCh = cur.ch, word; + while (true) { + // If we're at start/end of line, start on prev/next respectivly + if (cur.ch == line.length && dir > 0) { + cur.line++; + cur.ch = 0; + line = cm.getLine(cur.line); + } else if (cur.ch == 0 && dir < 0) { + cur.line--; + cur.ch = line.length; + line = cm.getLine(cur.line); + } + if (!line) break; + + // On to the actual searching + word = findWord(line, cur.ch, dir, regexps); + cur.ch = word[where == "end" ? "to" : "from"]; + if (startCh == cur.ch && word.from != word.to) cur.ch = word[dir < 0 ? "from" : "to"]; + else break; + } + } + return cur; + } + function joinLineNext(cm) { + var cur = cm.getCursor(), ch = cur.ch, line = cm.getLine(cur.line); + CodeMirror.commands.goLineEnd(cm); + if (cur.line != cm.lineCount()) { + CodeMirror.commands.goLineEnd(cm); + cm.replaceSelection(" ", "end"); + CodeMirror.commands.delCharRight(cm); + } + } + function delTillMark(cm, cHar) { + var i = mark[cHar]; + if (i === undefined) { + // console.log("Mark not set"); // TODO - show in status bar + return; + } + var l = cm.getCursor().line, start = i > l ? l : i, end = i > l ? i : l; + cm.setCursor(start); + for (var c = start; c <= end; c++) { + pushInBuffer("\n"+cm.getLine(start)); + cm.removeLine(start); + } + } + function yankTillMark(cm, cHar) { + var i = mark[cHar]; + if (i === undefined) { + // console.log("Mark not set"); // TODO - show in status bar + return; + } + var l = cm.getCursor().line, start = i > l ? l : i, end = i > l ? i : l; + for (var c = start; c <= end; c++) { + pushInBuffer("\n"+cm.getLine(c)); + } + cm.setCursor(start); + } + function goLineStartText(cm) { + // Go to the start of the line where the text begins, or the end for whitespace-only lines + var cur = cm.getCursor(), firstNonWS = cm.getLine(cur.line).search(/\S/); + cm.setCursor(cur.line, firstNonWS == -1 ? line.length : firstNonWS, true); + } + + function charIdxInLine(cm, cHar, motion_options) { + // Search for cHar in line. + // motion_options: {forward, inclusive} + // If inclusive = true, include it too. + // If forward = true, search forward, else search backwards. + // If char is not found on this line, do nothing + var cur = cm.getCursor(), line = cm.getLine(cur.line), idx; + var ch = toLetter(cHar), mo = motion_options; + if (mo.forward) { + idx = line.indexOf(ch, cur.ch + 1); + if (idx != -1 && mo.inclusive) idx += 1; + } else { + idx = line.lastIndexOf(ch, cur.ch); + if (idx != -1 && !mo.inclusive) idx += 1; + } + return idx; + } + + function moveTillChar(cm, cHar, motion_options) { + // Move to cHar in line, as found by charIdxInLine. + var idx = charIdxInLine(cm, cHar, motion_options), cur = cm.getCursor(); + if (idx != -1) cm.setCursor({line: cur.line, ch: idx}); + } + + function delTillChar(cm, cHar, motion_options) { + // delete text in this line, untill cHar is met, + // as found by charIdxInLine. + // If char is not found on this line, do nothing + var idx = charIdxInLine(cm, cHar, motion_options); + var cur = cm.getCursor(); + if (idx !== -1) { + if (motion_options.forward) { + cm.replaceRange("", {line: cur.line, ch: cur.ch}, {line: cur.line, ch: idx}); + } else { + cm.replaceRange("", {line: cur.line, ch: idx}, {line: cur.line, ch: cur.ch}); + } + } + } + + function enterInsertMode(cm) { + // enter insert mode: switch mode and cursor + popCount(); + cm.setOption("keyMap", "vim-insert"); + } + + // main keymap + var map = CodeMirror.keyMap.vim = { + // Pipe (|); TODO: should be *screen* chars, so need a util function to turn tabs into spaces? + "'|'": function(cm) { + cm.setCursor(cm.getCursor().line, popCount() - 1, true); + }, + "A": function(cm) { + cm.setCursor(cm.getCursor().line, cm.getCursor().ch+1, true); + enterInsertMode(cm); + }, + "Shift-A": function(cm) { CodeMirror.commands.goLineEnd(cm); enterInsertMode(cm);}, + "I": function(cm) { enterInsertMode(cm);}, + "Shift-I": function(cm) { goLineStartText(cm); enterInsertMode(cm);}, + "O": function(cm) { + CodeMirror.commands.goLineEnd(cm); + CodeMirror.commands.newlineAndIndent(cm); + enterInsertMode(cm); + }, + "Shift-O": function(cm) { + CodeMirror.commands.goLineStart(cm); + cm.replaceSelection("\n", "start"); + cm.indentLine(cm.getCursor().line); + enterInsertMode(cm); + }, + "G": function(cm) { cm.setOption("keyMap", "vim-prefix-g");}, + "Shift-D": function(cm) { + // commented out verions works, but I left original, cause maybe + // I don't know vim enouth to see what it does + /* var cur = cm.getCursor(); + var f = {line: cur.line, ch: cur.ch}, t = {line: cur.line}; + pushInBuffer(cm.getRange(f, t)); + */ + emptyBuffer(); + mark["Shift-D"] = cm.getCursor(false).line; + cm.setCursor(cm.getCursor(true).line); + delTillMark(cm,"Shift-D"); mark = []; + }, + + "S": function (cm) { + countTimes(function (_cm) { + CodeMirror.commands.delCharRight(_cm); + })(cm); + enterInsertMode(cm); + }, + "M": function(cm) {cm.setOption("keyMap", "vim-prefix-m"); mark = [];}, + "Y": function(cm) {cm.setOption("keyMap", "vim-prefix-y"); emptyBuffer(); yank = 0;}, + "Shift-Y": function(cm) { + emptyBuffer(); + mark["Shift-D"] = cm.getCursor(false).line; + cm.setCursor(cm.getCursor(true).line); + yankTillMark(cm,"Shift-D"); mark = []; + }, + "/": function(cm) {var f = CodeMirror.commands.find; f && f(cm); sdir = "f";}, + "'?'": function(cm) { + var f = CodeMirror.commands.find; + if (f) { f(cm); CodeMirror.commands.findPrev(cm); sdir = "r"; } + }, + "N": function(cm) { + var fn = CodeMirror.commands.findNext; + if (fn) sdir != "r" ? fn(cm) : CodeMirror.commands.findPrev(cm); + }, + "Shift-N": function(cm) { + var fn = CodeMirror.commands.findNext; + if (fn) sdir != "r" ? CodeMirror.commands.findPrev(cm) : fn.findNext(cm); + }, + "Shift-G": function(cm) { + count == "" ? cm.setCursor(cm.lineCount()) : cm.setCursor(parseInt(count, 10)-1); + popCount(); + CodeMirror.commands.goLineStart(cm); + }, + nofallthrough: true, style: "fat-cursor" + }; + + // standard mode switching + iterList(["d", "t", "T", "f", "F", "c", "r"], + function (ch) { + CodeMirror.keyMap.vim[toCombo(ch)] = function (cm) { + cm.setOption("keyMap", "vim-prefix-" + ch); + emptyBuffer(); + }; + }); + + function addCountBindings(keyMap) { + // Add bindings for number keys + keyMap["0"] = function(cm) { + count.length > 0 ? pushCountDigit("0")(cm) : CodeMirror.commands.goLineStart(cm); + }; + for (var i = 1; i < 10; ++i) keyMap[i] = pushCountDigit(i); + } + addCountBindings(CodeMirror.keyMap.vim); + + // main num keymap + // Add bindings that are influenced by number keys + iterObj({ + "Left": "goColumnLeft", "Right": "goColumnRight", + "Down": "goLineDown", "Up": "goLineUp", "Backspace": "goCharLeft", + "Space": "goCharRight", + "X": function(cm) {CodeMirror.commands.delCharRight(cm);}, + "P": function(cm) { + var cur = cm.getCursor().line; + if (buf!= "") { + if (buf[0] == "\n") CodeMirror.commands.goLineEnd(cm); + cm.replaceRange(buf, cm.getCursor()); + } + }, + "Shift-X": function(cm) {CodeMirror.commands.delCharLeft(cm);}, + "Shift-J": function(cm) {joinLineNext(cm);}, + "Shift-P": function(cm) { + var cur = cm.getCursor().line; + if (buf!= "") { + CodeMirror.commands.goLineUp(cm); + CodeMirror.commands.goLineEnd(cm); + cm.replaceSelection(buf, "end"); + } + cm.setCursor(cur+1); + }, + "'~'": function(cm) { + var cur = cm.getCursor(), cHar = cm.getRange({line: cur.line, ch: cur.ch}, {line: cur.line, ch: cur.ch+1}); + cHar = cHar != cHar.toLowerCase() ? cHar.toLowerCase() : cHar.toUpperCase(); + cm.replaceRange(cHar, {line: cur.line, ch: cur.ch}, {line: cur.line, ch: cur.ch+1}); + cm.setCursor(cur.line, cur.ch+1); + }, + "Ctrl-B": function(cm) {CodeMirror.commands.goPageUp(cm);}, + "Ctrl-F": function(cm) {CodeMirror.commands.goPageDown(cm);}, + "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown", + "U": "undo", "Ctrl-R": "redo" + }, function(key, cmd) { map[key] = countTimes(cmd); }); + + // empty key maps + iterList([ + "vim-prefix-d'", + "vim-prefix-y'", + "vim-prefix-df", + "vim-prefix-dF", + "vim-prefix-dt", + "vim-prefix-dT", + "vim-prefix-c", + "vim-prefix-cf", + "vim-prefix-cF", + "vim-prefix-ct", + "vim-prefix-cT", + "vim-prefix-", + "vim-prefix-f", + "vim-prefix-F", + "vim-prefix-t", + "vim-prefix-T", + "vim-prefix-r", + "vim-prefix-m" + ], + function (prefix) { + CodeMirror.keyMap[prefix] = { + auto: "vim", + nofallthrough: true, + style: "fat-cursor" + }; + }); + + CodeMirror.keyMap["vim-prefix-g"] = { + "E": countTimes(function(cm) { cm.setCursor(moveToWord(cm, word, -1, 1, "start"));}), + "Shift-E": countTimes(function(cm) { cm.setCursor(moveToWord(cm, bigWord, -1, 1, "start"));}), + "G": function (cm) { cm.setCursor({line: 0, ch: cm.getCursor().ch});}, + auto: "vim", nofallthrough: true, style: "fat-cursor" + }; + + CodeMirror.keyMap["vim-prefix-d"] = { + "D": countTimes(function(cm) { + pushInBuffer("\n"+cm.getLine(cm.getCursor().line)); + cm.removeLine(cm.getCursor().line); + cm.setOption("keyMap", "vim"); + }), + "'": function(cm) { + cm.setOption("keyMap", "vim-prefix-d'"); + emptyBuffer(); + }, + "B": function(cm) { + var cur = cm.getCursor(); + var line = cm.getLine(cur.line); + var index = line.lastIndexOf(" ", cur.ch); + + pushInBuffer(line.substring(index, cur.ch)); + cm.replaceRange("", {line: cur.line, ch: index}, cur); + cm.setOption("keyMap", "vim"); + }, + nofallthrough: true, style: "fat-cursor" + }; + // FIXME - does not work for bindings like "d3e" + addCountBindings(CodeMirror.keyMap["vim-prefix-d"]); + + CodeMirror.keyMap["vim-prefix-c"] = { + "B": function (cm) { + countTimes("delWordLeft")(cm); + enterInsertMode(cm); + }, + "C": function (cm) { + iterTimes(function (i, last) { + CodeMirror.commands.deleteLine(cm); + if (i) { + CodeMirror.commands.delCharRight(cm); + if (last) CodeMirror.commands.deleteLine(cm); + } + }); + enterInsertMode(cm); + }, + nofallthrough: true, style: "fat-cursor" + }; + + iterList(["vim-prefix-d", "vim-prefix-c", "vim-prefix-"], function (prefix) { + iterList(["f", "F", "T", "t"], + function (ch) { + CodeMirror.keyMap[prefix][toCombo(ch)] = function (cm) { + cm.setOption("keyMap", prefix + ch); + emptyBuffer(); + }; + }); + }); + + var MOTION_OPTIONS = { + "t": {inclusive: false, forward: true}, + "f": {inclusive: true, forward: true}, + "T": {inclusive: false, forward: false}, + "F": {inclusive: true, forward: false} + }; + + function setupPrefixBindingForKey(m) { + CodeMirror.keyMap["vim-prefix-m"][m] = function(cm) { + mark[m] = cm.getCursor().line; + }; + CodeMirror.keyMap["vim-prefix-d'"][m] = function(cm) { + delTillMark(cm,m); + }; + CodeMirror.keyMap["vim-prefix-y'"][m] = function(cm) { + yankTillMark(cm,m); + }; + CodeMirror.keyMap["vim-prefix-r"][m] = function (cm) { + var cur = cm.getCursor(); + cm.replaceRange(toLetter(m), + {line: cur.line, ch: cur.ch}, + {line: cur.line, ch: cur.ch + 1}); + CodeMirror.commands.goColumnLeft(cm); + }; + // all commands, related to motions till char in line + iterObj(MOTION_OPTIONS, function (ch, options) { + CodeMirror.keyMap["vim-prefix-" + ch][m] = function(cm) { + moveTillChar(cm, m, options); + }; + CodeMirror.keyMap["vim-prefix-d" + ch][m] = function(cm) { + delTillChar(cm, m, options); + }; + CodeMirror.keyMap["vim-prefix-c" + ch][m] = function(cm) { + delTillChar(cm, m, options); + enterInsertMode(cm); + }; + }); + } + for (var i = 65; i < 65 + 26; i++) { // uppercase alphabet char codes + var ch = String.fromCharCode(i); + setupPrefixBindingForKey(toCombo(ch)); + setupPrefixBindingForKey(toCombo(ch.toLowerCase())); + } + iterList(SPECIAL_SYMBOLS, function (ch) { + setupPrefixBindingForKey(toCombo(ch)); + }); + setupPrefixBindingForKey("Space"); + + CodeMirror.keyMap["vim-prefix-y"] = { + "Y": countTimes(function(cm) { pushInBuffer("\n"+cm.getLine(cm.getCursor().line+yank)); yank++; }), + "'": function(cm) {cm.setOption("keyMap", "vim-prefix-y'"); emptyBuffer();}, + nofallthrough: true, style: "fat-cursor" + }; + + CodeMirror.keyMap["vim-insert"] = { + // TODO: override navigation keys so that Esc will cancel automatic indentation from o, O, i_<CR> + "Esc": function(cm) { + cm.setCursor(cm.getCursor().line, cm.getCursor().ch-1, true); + cm.setOption("keyMap", "vim"); + }, + "Ctrl-N": "autocomplete", + "Ctrl-P": "autocomplete", + fallthrough: ["default"] + }; + + function findMatchedSymbol(cm, cur, symb) { + var line = cur.line; + var symb = symb ? symb : cm.getLine(line)[cur.ch]; + + // Are we at the opening or closing char + var forwards = ['(', '[', '{'].indexOf(symb) != -1; + + var reverseSymb = (function(sym) { + switch (sym) { + case '(' : return ')'; + case '[' : return ']'; + case '{' : return '}'; + case ')' : return '('; + case ']' : return '['; + case '}' : return '{'; + default : return null; + } + })(symb); + + // Couldn't find a matching symbol, abort + if (reverseSymb == null) return cur; + + // Tracking our imbalance in open/closing symbols. An opening symbol wii be + // the first thing we pick up if moving forward, this isn't true moving backwards + var disBal = forwards ? 0 : 1; + + while (true) { + if (line == cur.line) { + // First pass, do some special stuff + var currLine = forwards ? cm.getLine(line).substr(cur.ch).split('') : cm.getLine(line).substr(0,cur.ch).split('').reverse(); + } else { + var currLine = forwards ? cm.getLine(line).split('') : cm.getLine(line).split('').reverse(); + } + + for (var index = 0; index < currLine.length; index++) { + if (currLine[index] == symb) disBal++; + else if (currLine[index] == reverseSymb) disBal--; + + if (disBal == 0) { + if (forwards && cur.line == line) return {line: line, ch: index + cur.ch}; + else if (forwards) return {line: line, ch: index}; + else return {line: line, ch: currLine.length - index - 1 }; + } + } + + if (forwards) line++; + else line--; + } + } + + function selectCompanionObject(cm, revSymb, inclusive) { + var cur = cm.getCursor(); + + var end = findMatchedSymbol(cm, cur, revSymb); + var start = findMatchedSymbol(cm, end); + start.ch += inclusive ? 1 : 0; + end.ch += inclusive ? 0 : 1; + + return {start: start, end: end}; + } + + // These are our motion commands to be used for navigation and selection with + // certian other commands. All should return a cursor object. + var motionList = ['B', 'E', 'J', 'K', 'H', 'L', 'W', 'Shift-W', "'^'", "'$'", "'%'", 'Esc']; + + motions = { + 'B': function(cm, times) { return moveToWord(cm, word, -1, times); }, + 'Shift-B': function(cm, times) { return moveToWord(cm, bigWord, -1, times); }, + 'E': function(cm, times) { return moveToWord(cm, word, 1, times, 'end'); }, + 'Shift-E': function(cm, times) { return moveToWord(cm, bigWord, 1, times, 'end'); }, + 'J': function(cm, times) { + var cur = cm.getCursor(); + return {line: cur.line+times, ch : cur.ch}; + }, + + 'K': function(cm, times) { + var cur = cm.getCursor(); + return {line: cur.line-times, ch: cur.ch}; + }, + + 'H': function(cm, times) { + var cur = cm.getCursor(); + return {line: cur.line, ch: cur.ch-times}; + }, + + 'L': function(cm, times) { + var cur = cm.getCursor(); + return {line: cur.line, ch: cur.ch+times}; + }, + 'W': function(cm, times) { return moveToWord(cm, word, 1, times); }, + 'Shift-W': function(cm, times) { return moveToWord(cm, bigWord, 1, times); }, + "'^'": function(cm, times) { + var cur = cm.getCursor(); + var line = cm.getLine(cur.line).split(''); + + // Empty line :o + if (line.length == 0) return cur; + + for (var index = 0; index < line.length; index++) { + if (line[index].match(/[^\s]/)) return {line: cur.line, ch: index}; + } + }, + "'$'": function(cm) { + var cur = cm.getCursor(); + var line = cm.getLine(cur.line); + return {line: cur.line, ch: line.length}; + }, + "'%'": function(cm) { return findMatchedSymbol(cm, cm.getCursor()); }, + "Esc" : function(cm) { + cm.setOption('vim'); + reptTimes = 0; + + return cm.getCursor(); + } + }; + + // Map our movement actions each operator and non-operational movement + motionList.forEach(function(key, index, array) { + CodeMirror.keyMap['vim-prefix-d'][key] = function(cm) { + // Get our selected range + var start = cm.getCursor(); + var end = motions[key](cm, reptTimes ? reptTimes : 1); + + // Set swap var if range is of negative length + if ((start.line > end.line) || (start.line == end.line && start.ch > end.ch)) var swap = true; + + // Take action, switching start and end if swap var is set + pushInBuffer(cm.getRange(swap ? end : start, swap ? start : end)); + cm.replaceRange("", swap ? end : start, swap ? start : end); + + // And clean up + reptTimes = 0; + cm.setOption("keyMap", "vim"); + }; + + CodeMirror.keyMap['vim-prefix-c'][key] = function(cm) { + var start = cm.getCursor(); + var end = motions[key](cm, reptTimes ? reptTimes : 1); + + if ((start.line > end.line) || (start.line == end.line && start.ch > end.ch)) var swap = true; + pushInBuffer(cm.getRange(swap ? end : start, swap ? start : end)); + cm.replaceRange("", swap ? end : start, swap ? start : end); + + reptTimes = 0; + cm.setOption('keyMap', 'vim-insert'); + }; + + CodeMirror.keyMap['vim-prefix-y'][key] = function(cm) { + var start = cm.getCursor(); + var end = motions[key](cm, reptTimes ? reptTimes : 1); + + if ((start.line > end.line) || (start.line == end.line && start.ch > end.ch)) var swap = true; + pushInBuffer(cm.getRange(swap ? end : start, swap ? start : end)); + + reptTimes = 0; + cm.setOption("keyMap", "vim"); + }; + + CodeMirror.keyMap['vim'][key] = function(cm) { + var cur = motions[key](cm, reptTimes ? reptTimes : 1); + cm.setCursor(cur.line, cur.ch); + + reptTimes = 0; + }; + }); + + var nums = [1,2,3,4,5,6,7,8,9]; + nums.forEach(function(key, index, array) { + CodeMirror.keyMap['vim'][key] = function (cm) { + reptTimes = (reptTimes * 10) + key; + }; + CodeMirror.keyMap['vim-prefix-d'][key] = function (cm) { + reptTimes = (reptTimes * 10) + key; + }; + CodeMirror.keyMap['vim-prefix-y'][key] = function (cm) { + reptTimes = (reptTimes * 10) + key; + }; + CodeMirror.keyMap['vim-prefix-c'][key] = function (cm) { + reptTimes = (reptTimes * 10) + key; + }; + }); + + // Create our keymaps for each operator and make xa and xi where x is an operator + // change to the corrosponding keymap + var operators = ['d', 'y', 'c']; + operators.forEach(function(key, index, array) { + CodeMirror.keyMap['vim-prefix-'+key+'a'] = { + auto: 'vim', nofallthrough: true, style: "fat-cursor" + }; + CodeMirror.keyMap['vim-prefix-'+key+'i'] = { + auto: 'vim', nofallthrough: true, style: "fat-cursor" + }; + + CodeMirror.keyMap['vim-prefix-'+key]['A'] = function(cm) { + reptTimes = 0; + cm.setOption('keyMap', 'vim-prefix-' + key + 'a'); + }; + + CodeMirror.keyMap['vim-prefix-'+key]['I'] = function(cm) { + reptTimes = 0; + cm.setOption('keyMap', 'vim-prefix-' + key + 'i'); + }; + }); + + function regexLastIndexOf(string, pattern, startIndex) { + for (var i = startIndex == null ? string.length : startIndex; i >= 0; --i) + if (pattern.test(string.charAt(i))) return i; + return -1; + } + + // Create our text object functions. They work similar to motions but they + // return a start cursor as well + var textObjectList = ['W', 'Shift-[', 'Shift-9', '[']; + var textObjects = { + 'W': function(cm, inclusive) { + var cur = cm.getCursor(); + var line = cm.getLine(cur.line); + + var line_to_char = new String(line.substring(0, cur.ch)); + var start = regexLastIndexOf(line_to_char, /[^a-zA-Z0-9]/) + 1; + var end = motions["E"](cm, 1) ; + + end.ch += inclusive ? 1 : 0 ; + return {start: {line: cur.line, ch: start}, end: end }; + }, + 'Shift-[': function(cm, inclusive) { return selectCompanionObject(cm, '}', inclusive); }, + 'Shift-9': function(cm, inclusive) { return selectCompanionObject(cm, ')', inclusive); }, + '[': function(cm, inclusive) { return selectCompanionObject(cm, ']', inclusive); } + }; + + // One function to handle all operation upon text objects. Kinda funky but it works + // better than rewriting this code six times + function textObjectManipulation(cm, object, remove, insert, inclusive) { + // Object is the text object, delete object if remove is true, enter insert + // mode if insert is true, inclusive is the difference between a and i + var tmp = textObjects[object](cm, inclusive); + var start = tmp.start; + var end = tmp.end; + + if ((start.line > end.line) || (start.line == end.line && start.ch > end.ch)) var swap = true ; + + pushInBuffer(cm.getRange(swap ? end : start, swap ? start : end)); + if (remove) cm.replaceRange("", swap ? end : start, swap ? start : end); + if (insert) cm.setOption('keyMap', 'vim-insert'); + } + + // And finally build the keymaps up from the text objects + for (var i = 0; i < textObjectList.length; ++i) { + var object = textObjectList[i]; + (function(object) { + CodeMirror.keyMap['vim-prefix-di'][object] = function(cm) { textObjectManipulation(cm, object, true, false, false); }; + CodeMirror.keyMap['vim-prefix-da'][object] = function(cm) { textObjectManipulation(cm, object, true, false, true); }; + CodeMirror.keyMap['vim-prefix-yi'][object] = function(cm) { textObjectManipulation(cm, object, false, false, false); }; + CodeMirror.keyMap['vim-prefix-ya'][object] = function(cm) { textObjectManipulation(cm, object, false, false, true); }; + CodeMirror.keyMap['vim-prefix-ci'][object] = function(cm) { textObjectManipulation(cm, object, true, true, false); }; + CodeMirror.keyMap['vim-prefix-ca'][object] = function(cm) { textObjectManipulation(cm, object, true, true, true); }; + })(object) + } +})(); |