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moved libraries and images out of src folder
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zadam
184
libraries/codemirror/addon/fold/xml-fold.js
vendored
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184
libraries/codemirror/addon/fold/xml-fold.js
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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var Pos = CodeMirror.Pos;
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function cmp(a, b) { return a.line - b.line || a.ch - b.ch; }
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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";
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var nameChar = nameStartChar + "\-\:\.0-9\\u00B7\\u0300-\\u036F\\u203F-\\u2040";
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var xmlTagStart = new RegExp("<(/?)([" + nameStartChar + "][" + nameChar + "]*)", "g");
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function Iter(cm, line, ch, range) {
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this.line = line; this.ch = ch;
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this.cm = cm; this.text = cm.getLine(line);
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this.min = range ? Math.max(range.from, cm.firstLine()) : cm.firstLine();
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this.max = range ? Math.min(range.to - 1, cm.lastLine()) : cm.lastLine();
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}
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function tagAt(iter, ch) {
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var type = iter.cm.getTokenTypeAt(Pos(iter.line, ch));
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return type && /\btag\b/.test(type);
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}
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function nextLine(iter) {
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if (iter.line >= iter.max) return;
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iter.ch = 0;
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iter.text = iter.cm.getLine(++iter.line);
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return true;
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}
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function prevLine(iter) {
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if (iter.line <= iter.min) return;
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iter.text = iter.cm.getLine(--iter.line);
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iter.ch = iter.text.length;
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return true;
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}
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function toTagEnd(iter) {
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for (;;) {
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var gt = iter.text.indexOf(">", iter.ch);
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if (gt == -1) { if (nextLine(iter)) continue; else return; }
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if (!tagAt(iter, gt + 1)) { iter.ch = gt + 1; continue; }
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var lastSlash = iter.text.lastIndexOf("/", gt);
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var selfClose = lastSlash > -1 && !/\S/.test(iter.text.slice(lastSlash + 1, gt));
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iter.ch = gt + 1;
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return selfClose ? "selfClose" : "regular";
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}
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}
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function toTagStart(iter) {
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for (;;) {
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var lt = iter.ch ? iter.text.lastIndexOf("<", iter.ch - 1) : -1;
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if (lt == -1) { if (prevLine(iter)) continue; else return; }
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if (!tagAt(iter, lt + 1)) { iter.ch = lt; continue; }
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xmlTagStart.lastIndex = lt;
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iter.ch = lt;
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var match = xmlTagStart.exec(iter.text);
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if (match && match.index == lt) return match;
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}
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}
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function toNextTag(iter) {
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for (;;) {
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xmlTagStart.lastIndex = iter.ch;
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var found = xmlTagStart.exec(iter.text);
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if (!found) { if (nextLine(iter)) continue; else return; }
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if (!tagAt(iter, found.index + 1)) { iter.ch = found.index + 1; continue; }
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iter.ch = found.index + found[0].length;
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return found;
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}
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}
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function toPrevTag(iter) {
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for (;;) {
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var gt = iter.ch ? iter.text.lastIndexOf(">", iter.ch - 1) : -1;
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if (gt == -1) { if (prevLine(iter)) continue; else return; }
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if (!tagAt(iter, gt + 1)) { iter.ch = gt; continue; }
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var lastSlash = iter.text.lastIndexOf("/", gt);
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var selfClose = lastSlash > -1 && !/\S/.test(iter.text.slice(lastSlash + 1, gt));
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iter.ch = gt + 1;
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return selfClose ? "selfClose" : "regular";
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}
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}
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function findMatchingClose(iter, tag) {
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var stack = [];
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for (;;) {
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var next = toNextTag(iter), end, startLine = iter.line, startCh = iter.ch - (next ? next[0].length : 0);
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if (!next || !(end = toTagEnd(iter))) return;
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if (end == "selfClose") continue;
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if (next[1]) { // closing tag
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for (var i = stack.length - 1; i >= 0; --i) if (stack[i] == next[2]) {
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stack.length = i;
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break;
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}
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if (i < 0 && (!tag || tag == next[2])) return {
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tag: next[2],
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from: Pos(startLine, startCh),
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to: Pos(iter.line, iter.ch)
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};
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} else { // opening tag
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stack.push(next[2]);
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}
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}
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}
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function findMatchingOpen(iter, tag) {
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var stack = [];
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for (;;) {
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var prev = toPrevTag(iter);
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if (!prev) return;
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if (prev == "selfClose") { toTagStart(iter); continue; }
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var endLine = iter.line, endCh = iter.ch;
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var start = toTagStart(iter);
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if (!start) return;
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if (start[1]) { // closing tag
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stack.push(start[2]);
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} else { // opening tag
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for (var i = stack.length - 1; i >= 0; --i) if (stack[i] == start[2]) {
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stack.length = i;
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break;
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}
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if (i < 0 && (!tag || tag == start[2])) return {
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tag: start[2],
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from: Pos(iter.line, iter.ch),
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to: Pos(endLine, endCh)
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};
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}
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}
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}
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CodeMirror.registerHelper("fold", "xml", function(cm, start) {
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var iter = new Iter(cm, start.line, 0);
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for (;;) {
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var openTag = toNextTag(iter)
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if (!openTag || iter.line != start.line) return
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var end = toTagEnd(iter)
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if (!end) return
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if (!openTag[1] && end != "selfClose") {
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var startPos = Pos(iter.line, iter.ch);
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var endPos = findMatchingClose(iter, openTag[2]);
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return endPos && cmp(endPos.from, startPos) > 0 ? {from: startPos, to: endPos.from} : null
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}
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}
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});
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CodeMirror.findMatchingTag = function(cm, pos, range) {
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var iter = new Iter(cm, pos.line, pos.ch, range);
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if (iter.text.indexOf(">") == -1 && iter.text.indexOf("<") == -1) return;
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var end = toTagEnd(iter), to = end && Pos(iter.line, iter.ch);
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var start = end && toTagStart(iter);
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if (!end || !start || cmp(iter, pos) > 0) return;
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var here = {from: Pos(iter.line, iter.ch), to: to, tag: start[2]};
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if (end == "selfClose") return {open: here, close: null, at: "open"};
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if (start[1]) { // closing tag
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return {open: findMatchingOpen(iter, start[2]), close: here, at: "close"};
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} else { // opening tag
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iter = new Iter(cm, to.line, to.ch, range);
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return {open: here, close: findMatchingClose(iter, start[2]), at: "open"};
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}
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};
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CodeMirror.findEnclosingTag = function(cm, pos, range, tag) {
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var iter = new Iter(cm, pos.line, pos.ch, range);
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for (;;) {
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var open = findMatchingOpen(iter, tag);
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if (!open) break;
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var forward = new Iter(cm, pos.line, pos.ch, range);
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var close = findMatchingClose(forward, open.tag);
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if (close) return {open: open, close: close};
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}
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};
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// Used by addon/edit/closetag.js
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CodeMirror.scanForClosingTag = function(cm, pos, name, end) {
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var iter = new Iter(cm, pos.line, pos.ch, end ? {from: 0, to: end} : null);
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return findMatchingClose(iter, name);
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};
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});
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