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-rw-r--r--js/lib/matchbrackets.js120
1 files changed, 0 insertions, 120 deletions
diff --git a/js/lib/matchbrackets.js b/js/lib/matchbrackets.js
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index 70e1ae1..0000000
--- a/js/lib/matchbrackets.js
+++ /dev/null
@@ -1,120 +0,0 @@
-// CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-(function(mod) {
- if (typeof exports == "object" && typeof module == "object") // CommonJS
- mod(require("../../lib/codemirror"));
- else if (typeof define == "function" && define.amd) // AMD
- define(["../../lib/codemirror"], mod);
- else // Plain browser env
- mod(CodeMirror);
-})(function(CodeMirror) {
- var ie_lt8 = /MSIE \d/.test(navigator.userAgent) &&
- (document.documentMode == null || document.documentMode < 8);
-
- var Pos = CodeMirror.Pos;
-
- var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"};
-
- function findMatchingBracket(cm, where, strict, config) {
- var line = cm.getLineHandle(where.line), pos = where.ch - 1;
- var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)];
- if (!match) return null;
- var dir = match.charAt(1) == ">" ? 1 : -1;
- if (strict && (dir > 0) != (pos == where.ch)) return null;
- var style = cm.getTokenTypeAt(Pos(where.line, pos + 1));
-
- var found = scanForBracket(cm, Pos(where.line, pos + (dir > 0 ? 1 : 0)), dir, style || null, config);
- if (found == null) return null;
- return {from: Pos(where.line, pos), to: found && found.pos,
- match: found && found.ch == match.charAt(0), forward: dir > 0};
- }
-
- // bracketRegex is used to specify which type of bracket to scan
- // should be a regexp, e.g. /[[\]]/
- //
- // Note: If "where" is on an open bracket, then this bracket is ignored.
- //
- // Returns false when no bracket was found, null when it reached
- // maxScanLines and gave up
- function scanForBracket(cm, where, dir, style, config) {
- var maxScanLen = (config && config.maxScanLineLength) || 10000;
- var maxScanLines = (config && config.maxScanLines) || 1000;
-
- var stack = [];
- var re = config && config.bracketRegex ? config.bracketRegex : /[(){}[\]]/;
- var lineEnd = dir > 0 ? Math.min(where.line + maxScanLines, cm.lastLine() + 1)
- : Math.max(cm.firstLine() - 1, where.line - maxScanLines);
- for (var lineNo = where.line; lineNo != lineEnd; lineNo += dir) {
- var line = cm.getLine(lineNo);
- if (!line) continue;
- var pos = dir > 0 ? 0 : line.length - 1, end = dir > 0 ? line.length : -1;
- if (line.length > maxScanLen) continue;
- if (lineNo == where.line) pos = where.ch - (dir < 0 ? 1 : 0);
- for (; pos != end; pos += dir) {
- var ch = line.charAt(pos);
- if (re.test(ch) && (style === undefined || cm.getTokenTypeAt(Pos(lineNo, pos + 1)) == style)) {
- var match = matching[ch];
- if ((match.charAt(1) == ">") == (dir > 0)) stack.push(ch);
- else if (!stack.length) return {pos: Pos(lineNo, pos), ch: ch};
- else stack.pop();
- }
- }
- }
- return lineNo - dir == (dir > 0 ? cm.lastLine() : cm.firstLine()) ? false : null;
- }
-
- function matchBrackets(cm, autoclear, config) {
- // Disable brace matching in long lines, since it'll cause hugely slow updates
- var maxHighlightLen = cm.state.matchBrackets.maxHighlightLineLength || 1000;
- var marks = [], ranges = cm.listSelections();
- for (var i = 0; i < ranges.length; i++) {
- var match = ranges[i].empty() && findMatchingBracket(cm, ranges[i].head, false, config);
- if (match && cm.getLine(match.from.line).length <= maxHighlightLen) {
- var style = match.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket";
- marks.push(cm.markText(match.from, Pos(match.from.line, match.from.ch + 1), {className: style}));
- if (match.to && cm.getLine(match.to.line).length <= maxHighlightLen)
- marks.push(cm.markText(match.to, Pos(match.to.line, match.to.ch + 1), {className: style}));
- }
- }
-
- if (marks.length) {
- // Kludge to work around the IE bug from issue #1193, where text
- // input stops going to the textare whever this fires.
- if (ie_lt8 && cm.state.focused) cm.focus();
-
- var clear = function() {
- cm.operation(function() {
- for (var i = 0; i < marks.length; i++) marks[i].clear();
- });
- };
- if (autoclear) setTimeout(clear, 800);
- else return clear;
- }
- }
-
- var currentlyHighlighted = null;
- function doMatchBrackets(cm) {
- cm.operation(function() {
- if (currentlyHighlighted) {currentlyHighlighted(); currentlyHighlighted = null;}
- currentlyHighlighted = matchBrackets(cm, false, cm.state.matchBrackets);
- });
- }
-
- CodeMirror.defineOption("matchBrackets", false, function(cm, val, old) {
- if (old && old != CodeMirror.Init)
- cm.off("cursorActivity", doMatchBrackets);
- if (val) {
- cm.state.matchBrackets = typeof val == "object" ? val : {};
- cm.on("cursorActivity", doMatchBrackets);
- }
- });
-
- CodeMirror.defineExtension("matchBrackets", function() {matchBrackets(this, true);});
- CodeMirror.defineExtension("findMatchingBracket", function(pos, strict, config){
- return findMatchingBracket(this, pos, strict, config);
- });
- CodeMirror.defineExtension("scanForBracket", function(pos, dir, style, config){
- return scanForBracket(this, pos, dir, style, config);
- });
-});