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authorWu Cheng-Han2015-05-04 15:53:29 +0800
committerWu Cheng-Han2015-05-04 15:53:29 +0800
commit4b0ca55eb79e963523eb6c8197825e9e8ae904e2 (patch)
tree574f3923af77b37b41dbf1b00bcd7827ef724a28 /public/vendor/codemirror/addon/fold/xml-fold.js
parent61eb11d23c65c9e5c493c67d055f785cbec139e2 (diff)
First commit, version 0.2.7
Diffstat (limited to 'public/vendor/codemirror/addon/fold/xml-fold.js')
-rwxr-xr-xpublic/vendor/codemirror/addon/fold/xml-fold.js182
1 files changed, 182 insertions, 0 deletions
diff --git a/public/vendor/codemirror/addon/fold/xml-fold.js b/public/vendor/codemirror/addon/fold/xml-fold.js
new file mode 100755
index 00000000..504727f3
--- /dev/null
+++ b/public/vendor/codemirror/addon/fold/xml-fold.js
@@ -0,0 +1,182 @@
+// 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) {
+ "use strict";
+
+ var Pos = CodeMirror.Pos;
+ function cmp(a, b) { return a.line - b.line || a.ch - b.ch; }
+
+ var nameStartChar = "A-Z_a-z\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD";
+ var nameChar = nameStartChar + "\-\:\.0-9\\u00B7\\u0300-\\u036F\\u203F-\\u2040";
+ var xmlTagStart = new RegExp("<(/?)([" + nameStartChar + "][" + nameChar + "]*)", "g");
+
+ function Iter(cm, line, ch, range) {
+ this.line = line; this.ch = ch;
+ this.cm = cm; this.text = cm.getLine(line);
+ this.min = range ? range.from : cm.firstLine();
+ this.max = range ? range.to - 1 : cm.lastLine();
+ }
+
+ function tagAt(iter, ch) {
+ var type = iter.cm.getTokenTypeAt(Pos(iter.line, ch));
+ return type && /\btag\b/.test(type);
+ }
+
+ function nextLine(iter) {
+ if (iter.line >= iter.max) return;
+ iter.ch = 0;
+ iter.text = iter.cm.getLine(++iter.line);
+ return true;
+ }
+ function prevLine(iter) {
+ if (iter.line <= iter.min) return;
+ iter.text = iter.cm.getLine(--iter.line);
+ iter.ch = iter.text.length;
+ return true;
+ }
+
+ function toTagEnd(iter) {
+ for (;;) {
+ var gt = iter.text.indexOf(">", iter.ch);
+ if (gt == -1) { if (nextLine(iter)) continue; else return; }
+ if (!tagAt(iter, gt + 1)) { iter.ch = gt + 1; continue; }
+ var lastSlash = iter.text.lastIndexOf("/", gt);
+ var selfClose = lastSlash > -1 && !/\S/.test(iter.text.slice(lastSlash + 1, gt));
+ iter.ch = gt + 1;
+ return selfClose ? "selfClose" : "regular";
+ }
+ }
+ function toTagStart(iter) {
+ for (;;) {
+ var lt = iter.ch ? iter.text.lastIndexOf("<", iter.ch - 1) : -1;
+ if (lt == -1) { if (prevLine(iter)) continue; else return; }
+ if (!tagAt(iter, lt + 1)) { iter.ch = lt; continue; }
+ xmlTagStart.lastIndex = lt;
+ iter.ch = lt;
+ var match = xmlTagStart.exec(iter.text);
+ if (match && match.index == lt) return match;
+ }
+ }
+
+ function toNextTag(iter) {
+ for (;;) {
+ xmlTagStart.lastIndex = iter.ch;
+ var found = xmlTagStart.exec(iter.text);
+ if (!found) { if (nextLine(iter)) continue; else return; }
+ if (!tagAt(iter, found.index + 1)) { iter.ch = found.index + 1; continue; }
+ iter.ch = found.index + found[0].length;
+ return found;
+ }
+ }
+ function toPrevTag(iter) {
+ for (;;) {
+ var gt = iter.ch ? iter.text.lastIndexOf(">", iter.ch - 1) : -1;
+ if (gt == -1) { if (prevLine(iter)) continue; else return; }
+ if (!tagAt(iter, gt + 1)) { iter.ch = gt; continue; }
+ var lastSlash = iter.text.lastIndexOf("/", gt);
+ var selfClose = lastSlash > -1 && !/\S/.test(iter.text.slice(lastSlash + 1, gt));
+ iter.ch = gt + 1;
+ return selfClose ? "selfClose" : "regular";
+ }
+ }
+
+ function findMatchingClose(iter, tag) {
+ var stack = [];
+ for (;;) {
+ var next = toNextTag(iter), end, startLine = iter.line, startCh = iter.ch - (next ? next[0].length : 0);
+ if (!next || !(end = toTagEnd(iter))) return;
+ if (end == "selfClose") continue;
+ if (next[1]) { // closing tag
+ for (var i = stack.length - 1; i >= 0; --i) if (stack[i] == next[2]) {
+ stack.length = i;
+ break;
+ }
+ if (i < 0 && (!tag || tag == next[2])) return {
+ tag: next[2],
+ from: Pos(startLine, startCh),
+ to: Pos(iter.line, iter.ch)
+ };
+ } else { // opening tag
+ stack.push(next[2]);
+ }
+ }
+ }
+ function findMatchingOpen(iter, tag) {
+ var stack = [];
+ for (;;) {
+ var prev = toPrevTag(iter);
+ if (!prev) return;
+ if (prev == "selfClose") { toTagStart(iter); continue; }
+ var endLine = iter.line, endCh = iter.ch;
+ var start = toTagStart(iter);
+ if (!start) return;
+ if (start[1]) { // closing tag
+ stack.push(start[2]);
+ } else { // opening tag
+ for (var i = stack.length - 1; i >= 0; --i) if (stack[i] == start[2]) {
+ stack.length = i;
+ break;
+ }
+ if (i < 0 && (!tag || tag == start[2])) return {
+ tag: start[2],
+ from: Pos(iter.line, iter.ch),
+ to: Pos(endLine, endCh)
+ };
+ }
+ }
+ }
+
+ CodeMirror.registerHelper("fold", "xml", function(cm, start) {
+ var iter = new Iter(cm, start.line, 0);
+ for (;;) {
+ var openTag = toNextTag(iter), end;
+ if (!openTag || iter.line != start.line || !(end = toTagEnd(iter))) return;
+ if (!openTag[1] && end != "selfClose") {
+ var start = Pos(iter.line, iter.ch);
+ var close = findMatchingClose(iter, openTag[2]);
+ return close && {from: start, to: close.from};
+ }
+ }
+ });
+ CodeMirror.findMatchingTag = function(cm, pos, range) {
+ var iter = new Iter(cm, pos.line, pos.ch, range);
+ if (iter.text.indexOf(">") == -1 && iter.text.indexOf("<") == -1) return;
+ var end = toTagEnd(iter), to = end && Pos(iter.line, iter.ch);
+ var start = end && toTagStart(iter);
+ if (!end || !start || cmp(iter, pos) > 0) return;
+ var here = {from: Pos(iter.line, iter.ch), to: to, tag: start[2]};
+ if (end == "selfClose") return {open: here, close: null, at: "open"};
+
+ if (start[1]) { // closing tag
+ return {open: findMatchingOpen(iter, start[2]), close: here, at: "close"};
+ } else { // opening tag
+ iter = new Iter(cm, to.line, to.ch, range);
+ return {open: here, close: findMatchingClose(iter, start[2]), at: "open"};
+ }
+ };
+
+ CodeMirror.findEnclosingTag = function(cm, pos, range) {
+ var iter = new Iter(cm, pos.line, pos.ch, range);
+ for (;;) {
+ var open = findMatchingOpen(iter);
+ if (!open) break;
+ var forward = new Iter(cm, pos.line, pos.ch, range);
+ var close = findMatchingClose(forward, open.tag);
+ if (close) return {open: open, close: close};
+ }
+ };
+
+ // Used by addon/edit/closetag.js
+ CodeMirror.scanForClosingTag = function(cm, pos, name, end) {
+ var iter = new Iter(cm, pos.line, pos.ch, end ? {from: 0, to: end} : null);
+ return findMatchingClose(iter, name);
+ };
+});