// Copyright 2012 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.collide.client.code.autocomplete.codegraph.js;
import com.google.collide.client.code.autocomplete.PrefixIndex;
import com.google.collide.client.code.autocomplete.codegraph.CompletionContext;
import com.google.collide.client.code.autocomplete.codegraph.ProposalBuilder;
import com.google.collide.client.code.autocomplete.codegraph.TemplateProposal;
import com.google.collide.client.documentparser.ParseResult;
import com.google.collide.codemirror2.JsLocalVariable;
import com.google.collide.codemirror2.JsState;
import com.google.collide.json.shared.JsonArray;
import com.google.collide.json.shared.JsonStringSet;
import com.google.collide.shared.util.JsonCollections;
/**
* JS specific {@link ProposalBuilder} implementation.
*
*/
class JsProposalBuilder extends ProposalBuilder<JsState> {
static final String WINDOW_PREFIX = "window.";
JsProposalBuilder() {
super(JsState.class);
}
@Override
protected PrefixIndex<TemplateProposal> getTemplatesIndex() {
return JsConstants.getInstance().getTemplatesTrie();
}
@Override
protected void addShortcutsTo(CompletionContext<JsState> context, JsonStringSet prefixes) {
if (!context.isThisContext()) {
String previousContext = context.getPreviousContext();
if (!previousContext.startsWith(WINDOW_PREFIX)) {
prefixes.add(WINDOW_PREFIX + previousContext);
}
}
}
@Override
protected boolean checkIsThisPrefix(String prefix) {
return "this.".equals(prefix);
}
protected JsonArray<String> getLocalVariables(ParseResult<JsState> parseResult) {
if (parseResult == null) {
return JsonCollections.createArray();
}
JsonArray<String> result = JsonCollections.createArray();
JsState jsState = parseResult.getState();
JsLocalVariable localVariable = jsState.getLocalVariables();
while (localVariable != null) {
result.add(localVariable.getName());
localVariable = localVariable.getNext();
}
return result;
}
}