File size: 7,477 Bytes
45e5708 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 |
// ============== Formatting extensions ============================
(function() {
// Define extensions for a few modes
CodeMirror.extendMode("css", {
commentStart: "/*",
commentEnd: "*/",
wordWrapChars: [";", "\\{", "\\}"],
autoFormatLineBreaks: function (text) {
return text.replace(new RegExp("(;|\\{|\\})([^\r\n])", "g"), "$1\n$2");
}
});
function jsNonBreakableBlocks(text) {
var nonBreakableRegexes = [/for\s*?\((.*?)\)/,
/\"(.*?)(\"|$)/,
/\'(.*?)(\'|$)/,
/\/\*(.*?)(\*\/|$)/,
/\/\/.*/];
var nonBreakableBlocks = [];
for (var i = 0; i < nonBreakableRegexes.length; i++) {
var curPos = 0;
while (curPos < text.length) {
var m = text.substr(curPos).match(nonBreakableRegexes[i]);
if (m != null) {
nonBreakableBlocks.push({
start: curPos + m.index,
end: curPos + m.index + m[0].length
});
curPos += m.index + Math.max(1, m[0].length);
}
else { // No more matches
break;
}
}
}
nonBreakableBlocks.sort(function (a, b) {
return a.start - b.start;
});
return nonBreakableBlocks;
}
CodeMirror.extendMode("javascript", {
commentStart: "/*",
commentEnd: "*/",
wordWrapChars: [";", "\\{", "\\}"],
autoFormatLineBreaks: function (text) {
var curPos = 0;
var split = this.jsonMode ? function(str) {
return str.replace(/([,{])/g, "$1\n").replace(/}/g, "\n}");
} : function(str) {
return str.replace(/(;|\{|\})([^\r\n;])/g, "$1\n$2");
};
var nonBreakableBlocks = jsNonBreakableBlocks(text), res = "";
if (nonBreakableBlocks != null) {
for (var i = 0; i < nonBreakableBlocks.length; i++) {
if (nonBreakableBlocks[i].start > curPos) { // Break lines till the block
res += split(text.substring(curPos, nonBreakableBlocks[i].start));
curPos = nonBreakableBlocks[i].start;
}
if (nonBreakableBlocks[i].start <= curPos
&& nonBreakableBlocks[i].end >= curPos) { // Skip non-breakable block
res += text.substring(curPos, nonBreakableBlocks[i].end);
curPos = nonBreakableBlocks[i].end;
}
}
if (curPos < text.length)
res += split(text.substr(curPos));
} else {
res = split(text);
}
return res.replace(/^\n*|\n*$/, "");
}
});
CodeMirror.extendMode("xml", {
commentStart: "<!--",
commentEnd: "-->",
wordWrapChars: [">"],
autoFormatLineBreaks: function (text) {
var lines = text.split("\n");
var reProcessedPortion = new RegExp("(^\\s*?<|^[^<]*?)(.+)(>\\s*?$|[^>]*?$)");
var reOpenBrackets = new RegExp("<", "g");
var reCloseBrackets = new RegExp("(>)([^\r\n])", "g");
for (var i = 0; i < lines.length; i++) {
var mToProcess = lines[i].match(reProcessedPortion);
if (mToProcess != null && mToProcess.length > 3) { // The line starts with whitespaces and ends with whitespaces
lines[i] = mToProcess[1]
+ mToProcess[2].replace(reOpenBrackets, "\n$&").replace(reCloseBrackets, "$1\n$2")
+ mToProcess[3];
continue;
}
}
return lines.join("\n");
}
});
function localModeAt(cm, pos) {
return CodeMirror.innerMode(cm.getMode(), cm.getTokenAt(pos).state).mode;
}
function enumerateModesBetween(cm, line, start, end) {
var outer = cm.getMode(), text = cm.getLine(line);
if (end == null) end = text.length;
if (!outer.innerMode) return [{from: start, to: end, mode: outer}];
var state = cm.getTokenAt({line: line, ch: start}).state;
var mode = CodeMirror.innerMode(outer, state).mode;
var found = [], stream = new CodeMirror.StringStream(text);
stream.pos = stream.start = start;
for (;;) {
outer.token(stream, state);
var curMode = CodeMirror.innerMode(outer, state).mode;
if (curMode != mode) {
var cut = stream.start;
// Crappy heuristic to deal with the fact that a change in
// mode can occur both at the end and the start of a token,
// and we don't know which it was.
if (mode.name == "xml" && text.charAt(stream.pos - 1) == ">") cut = stream.pos;
found.push({from: start, to: cut, mode: mode});
start = cut;
mode = curMode;
}
if (stream.pos >= end) break;
stream.start = stream.pos;
}
if (start < end) found.push({from: start, to: end, mode: mode});
return found;
}
// Comment/uncomment the specified range
CodeMirror.defineExtension("commentRange", function (isComment, from, to) {
var curMode = localModeAt(this, from), cm = this;
this.operation(function() {
if (isComment) { // Comment range
cm.replaceRange(curMode.commentEnd, to);
cm.replaceRange(curMode.commentStart, from);
if (from.line == to.line && from.ch == to.ch) // An empty comment inserted - put cursor inside
cm.setCursor(from.line, from.ch + curMode.commentStart.length);
} else { // Uncomment range
var selText = cm.getRange(from, to);
var startIndex = selText.indexOf(curMode.commentStart);
var endIndex = selText.lastIndexOf(curMode.commentEnd);
if (startIndex > -1 && endIndex > -1 && endIndex > startIndex) {
// Take string till comment start
selText = selText.substr(0, startIndex)
// From comment start till comment end
+ selText.substring(startIndex + curMode.commentStart.length, endIndex)
// From comment end till string end
+ selText.substr(endIndex + curMode.commentEnd.length);
}
cm.replaceRange(selText, from, to);
}
});
});
// Applies automatic mode-aware indentation to the specified range
CodeMirror.defineExtension("autoIndentRange", function (from, to) {
var cmInstance = this;
this.operation(function () {
for (var i = from.line; i <= to.line; i++) {
cmInstance.indentLine(i, "smart");
}
});
});
// Applies automatic formatting to the specified range
CodeMirror.defineExtension("autoFormatRange", function (from, to) {
var cm = this;
cm.operation(function () {
for (var cur = from.line, end = to.line; cur <= end; ++cur) {
var f = {line: cur, ch: cur == from.line ? from.ch : 0};
var t = {line: cur, ch: cur == end ? to.ch : null};
var modes = enumerateModesBetween(cm, cur, f.ch, t.ch), mangled = "";
var text = cm.getRange(f, t);
for (var i = 0; i < modes.length; ++i) {
var part = modes.length > 1 ? text.slice(modes[i].from, modes[i].to) : text;
if (mangled) mangled += "\n";
if (modes[i].mode.autoFormatLineBreaks) {
mangled += modes[i].mode.autoFormatLineBreaks(part);
} else mangled += text;
}
if (mangled != text) {
for (var count = 0, pos = mangled.indexOf("\n"); pos != -1; pos = mangled.indexOf("\n", pos + 1), ++count) {}
cm.replaceRange(mangled, f, t);
cur += count;
end += count;
}
}
for (var cur = from.line + 1; cur <= end; ++cur)
cm.indentLine(cur, "smart");
cm.setSelection(from, cm.getCursor(false));
});
});
})();
|