112 lines
4.7 KiB
JavaScript
112 lines
4.7 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: http://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 getHints(cm, options) {
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var tags = options && options.schemaInfo;
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var quote = (options && options.quoteChar) || '"';
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if (!tags) return;
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var cur = cm.getCursor(), token = cm.getTokenAt(cur);
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if (/^<\/?$/.test(token.string) && token.end == cur.ch) {
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var nextToken = cm.getTokenAt(Pos(cur.line, cur.ch + 1));
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if (nextToken.start == cur.ch && /\btag\b/.test(nextToken.type))
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token = nextToken;
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}
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var inner = CodeMirror.innerMode(cm.getMode(), token.state);
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if (inner.mode.name != "xml") return;
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var result = [], replaceToken = false, prefix;
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var tag = /\btag\b/.test(token.type) && !/>$/.test(token.string);
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var tagName = tag && /^\w/.test(token.string), tagStart;
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if (tagName) {
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var before = cm.getLine(cur.line).slice(Math.max(0, token.start - 2), token.start);
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var tagType = /<\/$/.test(before) ? "close" : /<$/.test(before) ? "open" : null;
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if (tagType) tagStart = token.start - (tagType == "close" ? 2 : 1);
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} else if (tag && token.string == "<") {
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tagType = "open";
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} else if (tag && token.string == "</") {
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tagType = "close";
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}
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if (!tag && !inner.state.tagName || tagType) {
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if (tagName)
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prefix = token.string;
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replaceToken = tagType;
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var cx = inner.state.context, curTag = cx && tags[cx.tagName];
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var childList = cx ? curTag && curTag.children : tags["!top"];
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if (childList && tagType != "close") {
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for (var i = 0; i < childList.length; ++i) if (!prefix || childList[i].lastIndexOf(prefix, 0) == 0)
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result.push("<" + childList[i]);
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} else if (tagType != "close") {
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for (var name in tags)
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if (tags.hasOwnProperty(name) && name != "!top" && name != "!attrs" && (!prefix || name.lastIndexOf(prefix, 0) == 0))
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result.push("<" + name);
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}
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if (cx && (!prefix || tagType == "close" && cx.tagName.lastIndexOf(prefix, 0) == 0))
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result.push("</" + cx.tagName + ">");
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} else {
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// Attribute completion
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var curTag = tags[inner.state.tagName], attrs = curTag && curTag.attrs;
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var globalAttrs = tags["!attrs"];
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if (!attrs && !globalAttrs) return;
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if (!attrs) {
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attrs = globalAttrs;
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} else if (globalAttrs) { // Combine tag-local and global attributes
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var set = {};
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for (var nm in globalAttrs) if (globalAttrs.hasOwnProperty(nm)) set[nm] = globalAttrs[nm];
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for (var nm in attrs) if (attrs.hasOwnProperty(nm)) set[nm] = attrs[nm];
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attrs = set;
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}
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if (token.type == "string" || token.string == "=") { // A value
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var before = cm.getRange(Pos(cur.line, Math.max(0, cur.ch - 60)),
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Pos(cur.line, token.type == "string" ? token.start : token.end));
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var atName = before.match(/([^\s\u00a0=<>\"\']+)=$/), atValues;
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if (!atName || !attrs.hasOwnProperty(atName[1]) || !(atValues = attrs[atName[1]])) return;
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if (typeof atValues == 'function') atValues = atValues.call(this, cm); // Functions can be used to supply values for autocomplete widget
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if (token.type == "string") {
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prefix = token.string;
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var n = 0;
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if (/['"]/.test(token.string.charAt(0))) {
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quote = token.string.charAt(0);
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prefix = token.string.slice(1);
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n++;
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}
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var len = token.string.length;
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if (/['"]/.test(token.string.charAt(len - 1))) {
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quote = token.string.charAt(len - 1);
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prefix = token.string.substr(n, len - 2);
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}
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replaceToken = true;
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}
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for (var i = 0; i < atValues.length; ++i) if (!prefix || atValues[i].lastIndexOf(prefix, 0) == 0)
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result.push(quote + atValues[i] + quote);
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} else { // An attribute name
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if (token.type == "attribute") {
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prefix = token.string;
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replaceToken = true;
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}
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for (var attr in attrs) if (attrs.hasOwnProperty(attr) && (!prefix || attr.lastIndexOf(prefix, 0) == 0))
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result.push(attr);
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}
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}
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return {
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list: result,
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from: replaceToken ? Pos(cur.line, tagStart == null ? token.start : tagStart) : cur,
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to: replaceToken ? Pos(cur.line, token.end) : cur
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};
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}
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CodeMirror.registerHelper("hint", "xml", getHints);
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});
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