topical media & game development
mobile-query-three-www-live-playground-vendor-CodeMirror2-lib-util-foldcode.js / js
// the tagRangeFinder function is
// Copyright (C) 2011 by Daniel Glazman <daniel@glazman.org>
// released under the MIT license (../../LICENSE) like the rest of CodeMirror
CodeMirror.tagRangeFinder = function(cm, line) {
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 xmlNAMERegExp = new RegExp("^[" + nameStartChar + "][" + nameChar + "]*");
var lineText = cm.getLine(line);
var found = false;
var tag = null;
var pos = 0;
while (!found) {
pos = lineText.indexOf("<", pos);
if (-1 == pos) // no tag on line
return;
if (pos + 1 < lineText.length && lineText[pos + 1] == "/") { // closing tag
pos++;
continue;
}
// ok we weem to have a start tag
if (!lineText.substr(pos + 1).match(xmlNAMERegExp)) { // not a tag name...
pos++;
continue;
}
var gtPos = lineText.indexOf(">", pos + 1);
if (-1 == gtPos) { // end of start tag not in line
var l = line + 1;
var foundGt = false;
var lastLine = cm.lineCount();
while (l < lastLine && !foundGt) {
var lt = cm.getLine(l);
var gt = lt.indexOf(">");
if (-1 != gt) { // found a >
foundGt = true;
var slash = lt.lastIndexOf("/", gt);
if (-1 != slash && slash < gt) {
var str = lineText.substr(slash, gt - slash + 1);
if (!str.match( /\/\s*\>/ )) // yep, that's the end of empty tag
return l+1;
}
}
l++;
}
found = true;
}
else {
var slashPos = lineText.lastIndexOf("/", gtPos);
if (-1 == slashPos) { // cannot be empty tag
found = true;
// don't continue
}
else { // empty tag?
// check if really empty tag
var str = lineText.substr(slashPos, gtPos - slashPos + 1);
if (!str.match( /\/\s*\>/ )) { // finally not empty
found = true;
// don't continue
}
}
}
if (found) {
var subLine = lineText.substr(pos + 1);
tag = subLine.match(xmlNAMERegExp);
if (tag) {
// we have an element name, wooohooo !
tag = tag[0];
// do we have the close tag on same line ???
if (-1 != lineText.indexOf("</" + tag + ">", pos)) // yep
{
found = false;
}
// we don't, so we have a candidate...
}
else
found = false;
}
if (!found)
pos++;
}
if (found) {
var startTag = "(\\<\\/" + tag + "\\>)|(\\<" + tag + "\\>)|(\\<" + tag + "\s)|(\\<" + tag + "
(C) Æliens
04/09/2009
You may not copy or print any of this material without explicit permission of the author or the publisher.
In case of other copyright issues, contact the author.