Orbit/app/assets/javascripts/codemirror/addon/hint/xml-hint.js

66 lines
2.6 KiB
JavaScript

(function() {
"use strict";
var Pos = CodeMirror.Pos;
CodeMirror.xmlHint = function(cm, options) {
var tags = options && options.schemaInfo;
var quote = (options && options.quoteChar) || '"';
if (!tags) return;
var cur = cm.getCursor(), token = cm.getTokenAt(cur);
var inner = CodeMirror.innerMode(cm.getMode(), token.state);
if (inner.mode.name != "xml") return;
var result = [], replaceToken = false, prefix;
var isTag = token.string.charAt(0) == "<";
if (!inner.state.tagName || isTag) { // Tag completion
if (isTag) {
prefix = token.string.slice(1);
replaceToken = true;
}
var cx = inner.state.context, curTag = cx && tags[cx.tagName];
var childList = cx ? curTag && curTag.children : tags["!top"];
if (childList) {
for (var i = 0; i < childList.length; ++i) if (!prefix || childList[i].indexOf(prefix) == 0)
result.push("<" + childList[i]);
} else {
for (var name in tags) if (tags.hasOwnProperty(name) && name != "!top" && (!prefix || name.indexOf(prefix) == 0))
result.push("<" + name);
}
if (cx && (!prefix || ("/" + cx.tagName).indexOf(prefix) == 0))
result.push("</" + cx.tagName + ">");
} else {
// Attribute completion
var curTag = tags[inner.state.tagName], attrs = curTag && curTag.attrs;
if (!attrs) return;
if (token.type == "string" || token.string == "=") { // A value
var before = cm.getRange(Pos(cur.line, Math.max(0, cur.ch - 60)),
Pos(cur.line, token.type == "string" ? token.start : token.end));
var atName = before.match(/([^\s\u00a0=<>\"\']+)=$/), atValues;
if (!atName || !attrs.hasOwnProperty(atName[1]) || !(atValues = attrs[atName[1]])) return;
if (token.type == "string") {
prefix = token.string;
if (/['"]/.test(token.string.charAt(0))) {
quote = token.string.charAt(0);
prefix = token.string.slice(1);
}
replaceToken = true;
}
for (var i = 0; i < atValues.length; ++i) if (!prefix || atValues[i].indexOf(prefix) == 0)
result.push(quote + atValues[i] + quote);
} else { // An attribute name
if (token.type == "attribute") {
prefix = token.string;
replaceToken = true;
}
for (var attr in attrs) if (attrs.hasOwnProperty(attr) && (!prefix || attr.indexOf(prefix) == 0))
result.push(attr);
}
}
return {
list: result,
from: replaceToken ? Pos(cur.line, token.start) : cur,
to: replaceToken ? Pos(cur.line, token.end) : cur
};
};
})();