| // CodeMirror, copyright (c) by Marijn Haverbeke and others |
| // Distributed under an MIT license: https://codemirror.net/LICENSE |
| |
| (function(mod) { |
| if (typeof exports == "object" && typeof module == "object") // CommonJS |
| mod(require("../../lib/codemirror"), require("../fold/xml-fold")); |
| else if (typeof define == "function" && define.amd) // AMD |
| define(["../../lib/codemirror", "../fold/xml-fold"], mod); |
| else // Plain browser env |
| mod(CodeMirror); |
| })(function(CodeMirror) { |
| "use strict"; |
| |
| CodeMirror.defineOption("matchTags", false, function(cm, val, old) { |
| if (old && old != CodeMirror.Init) { |
| cm.off("cursorActivity", doMatchTags); |
| cm.off("viewportChange", maybeUpdateMatch); |
| clear(cm); |
| } |
| if (val) { |
| cm.state.matchBothTags = typeof val == "object" && val.bothTags; |
| cm.on("cursorActivity", doMatchTags); |
| cm.on("viewportChange", maybeUpdateMatch); |
| doMatchTags(cm); |
| } |
| }); |
| |
| function clear(cm) { |
| if (cm.state.tagHit) cm.state.tagHit.clear(); |
| if (cm.state.tagOther) cm.state.tagOther.clear(); |
| cm.state.tagHit = cm.state.tagOther = null; |
| } |
| |
| function doMatchTags(cm) { |
| cm.state.failedTagMatch = false; |
| cm.operation(function() { |
| clear(cm); |
| if (cm.somethingSelected()) return; |
| var cur = cm.getCursor(), range = cm.getViewport(); |
| range.from = Math.min(range.from, cur.line); range.to = Math.max(cur.line + 1, range.to); |
| var match = CodeMirror.findMatchingTag(cm, cur, range); |
| if (!match) return; |
| if (cm.state.matchBothTags) { |
| var hit = match.at == "open" ? match.open : match.close; |
| if (hit) cm.state.tagHit = cm.markText(hit.from, hit.to, {className: "CodeMirror-matchingtag"}); |
| } |
| var other = match.at == "close" ? match.open : match.close; |
| if (other) |
| cm.state.tagOther = cm.markText(other.from, other.to, {className: "CodeMirror-matchingtag"}); |
| else |
| cm.state.failedTagMatch = true; |
| }); |
| } |
| |
| function maybeUpdateMatch(cm) { |
| if (cm.state.failedTagMatch) doMatchTags(cm); |
| } |
| |
| CodeMirror.commands.toMatchingTag = function(cm) { |
| var found = CodeMirror.findMatchingTag(cm, cm.getCursor()); |
| if (found) { |
| var other = found.at == "close" ? found.open : found.close; |
| if (other) cm.extendSelection(other.to, other.from); |
| } |
| }; |
| }); |