org.netbeans.modules.html.ojet.OJETContext Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.netbeans.modules.html.ojet;
import java.util.Arrays;
import javax.swing.text.Document;
import org.netbeans.api.html.lexer.HTMLTokenId;
import org.netbeans.api.lexer.Token;
import org.netbeans.api.lexer.TokenHierarchy;
import org.netbeans.api.lexer.TokenSequence;
import org.netbeans.modules.html.knockout.api.KODataBindTokenId;
import org.netbeans.modules.javascript2.lexer.api.JsTokenId;
import org.netbeans.modules.web.common.api.LexerUtils;
/**
*
* @author Petr Pisl
*/
public enum OJETContext {
DATA_BINDING,
/**
* Only in empty configuration json object of a component ojComponent: { | }
*/
COMP_CONF,
/**
* In configuration json object of a component, when names of the properties
* should be displayed ojComponent:{component: 'ojProgressbar', | }
*/
COMP_CONF_PROP_NAME,
/**
* In configuration json object of a component, where list of components
* should be displayed. ojComponent:{component: '|' } or
* ojComponent:{component: | }
*/
COMP_CONF_COMP_NAME,
/**
* IN configuration object for binding a module: ojModule: {}
*/
MODULE_PROP_NAME,
UNKNOWN;
private static String COMPONENT = "component"; //NOI18N
public static OJETContext findContext(Document document, int offset) {
TokenHierarchy th = TokenHierarchy.get(document);
TokenSequence ts = LexerUtils.getTokenSequence(th, offset, HTMLTokenId.language(), false);
String binding = null;
if (ts != null) {
int diff = ts.move(offset);
if (diff == 0 && ts.movePrevious() || ts.moveNext()) {
if (ts.token().id() == HTMLTokenId.VALUE) {
TokenSequence dataBindTs = ts.embedded(KODataBindTokenId.language());
if (dataBindTs != null) {
if (dataBindTs.isEmpty()) {
return DATA_BINDING;
}
} else {
return UNKNOWN;
}
int ediff = dataBindTs.move(offset);
if (ediff == 0 && dataBindTs.movePrevious() || dataBindTs.moveNext()) {
//we are on a token of ko-data-bind token sequence
Token etoken = dataBindTs.token();
if (etoken.id() == KODataBindTokenId.KEY) {
//ke|
return DATA_BINDING;
}
etoken = LexerUtils.followsToken(dataBindTs,
Arrays.asList(KODataBindTokenId.COLON, KODataBindTokenId.COMMA, KODataBindTokenId.VALUE),
true, false, KODataBindTokenId.WS);
if (etoken == null) {
// we are at the beginning of the value
return DATA_BINDING;
}
if (etoken.id() == KODataBindTokenId.VALUE) {
etoken = LexerUtils.followsToken(dataBindTs, KODataBindTokenId.KEY, true, true, KODataBindTokenId.COLON);
if (!(etoken != null && etoken.id() == KODataBindTokenId.KEY
&& OJETUtils.OJ_COMPONENT.equals(etoken.text().toString()))) {
// continue only if we are in the value
return UNKNOWN;
}
}
if (etoken.id() == KODataBindTokenId.COMMA) {
return DATA_BINDING;
}
if (etoken.id() == KODataBindTokenId.COLON) {
etoken = LexerUtils.followsToken(dataBindTs, KODataBindTokenId.KEY, true, true, KODataBindTokenId.COLON);
if (etoken != null && etoken.id() == KODataBindTokenId.KEY) {
String key = etoken.text().toString();
if (OJETUtils.OJ_COMPONENT.equals(key) || OJETUtils.OJ_MODULE.equals(key)) {
binding = key;
} else {
// continue only if we are in the value of component or module
return UNKNOWN;
}
} else {
return UNKNOWN;
}
}
}
}
}
}
TokenSequence jsTs = LexerUtils.getTokenSequence(th, offset, JsTokenId.javascriptLanguage(), false);
if (jsTs != null && binding != null) {
int diff = jsTs.move(offset);
if (diff == 0 && jsTs.movePrevious() || jsTs.moveNext()) {
Token jsToken = jsTs.token();
if (jsToken.id() == JsTokenId.UNKNOWN && !jsTs.movePrevious()) {
return UNKNOWN;
}
jsToken = LexerUtils.followsToken(jsTs,
Arrays.asList(JsTokenId.BRACKET_LEFT_CURLY, JsTokenId.OPERATOR_COLON, JsTokenId.OPERATOR_COMMA), true, false, true,
JsTokenId.WHITESPACE, JsTokenId.EOL, JsTokenId.STRING, JsTokenId.STRING_BEGIN, JsTokenId.IDENTIFIER);
if (jsToken == null) {
return UNKNOWN;
}
if (jsToken.id() == JsTokenId.BRACKET_LEFT_CURLY) {
if (OJETUtils.OJ_COMPONENT.equals(binding)) {
return COMP_CONF;
} else {
return MODULE_PROP_NAME;
}
} else if (jsToken.id() == JsTokenId.OPERATOR_COLON) {
// we are in the valeu
// find the name of property
jsToken = LexerUtils.followsToken(jsTs, Arrays.asList(JsTokenId.IDENTIFIER), true, false, JsTokenId.WHITESPACE, JsTokenId.EOL);
if (jsToken != null && jsToken.id() == JsTokenId.IDENTIFIER) {
if (COMPONENT.equals(jsToken.text().toString())) {
return COMP_CONF_COMP_NAME;
}
}
}
if (jsToken != null && jsToken.id() == JsTokenId.OPERATOR_COMMA) {
if (OJETUtils.OJ_COMPONENT.equals(binding)) {
return COMP_CONF_PROP_NAME;
} else {
return MODULE_PROP_NAME;
}
}
}
}
return UNKNOWN;
}
/**
* Can return null, if there is no component property defined
*
* @param document
* @param dOffset
*/
public static String findComponentName(Document document, int offset) {
String name = null;
TokenHierarchy th = TokenHierarchy.get(document);
if (th == null) {
return name;
}
TokenSequence ts = LexerUtils.getTokenSequence(th, offset, JsTokenId.javascriptLanguage(), false);
if (ts != null) {
// try to find from beginning
ts.moveStart();
if (ts.movePrevious() || ts.moveNext()) {
Token jsToken = LexerUtils.followsToken(ts, JsTokenId.IDENTIFIER, false, false,
JsTokenId.WHITESPACE, JsTokenId.BRACKET_LEFT_CURLY, JsTokenId.EOL);
if (jsToken != null && jsToken.id() == JsTokenId.IDENTIFIER) {
if (COMPONENT.equals(jsToken.text().toString())) {
// we found the component property, now to find the value
jsToken = LexerUtils.followsToken(ts, JsTokenId.STRING, false, false,
JsTokenId.WHITESPACE, JsTokenId.BLOCK_COMMENT, JsTokenId.EOL, JsTokenId.OPERATOR_COLON, JsTokenId.STRING_BEGIN);
if (jsToken != null && jsToken.id() == JsTokenId.STRING) {
return jsToken.text().toString();
}
}
}
}
}
return name;
}
}
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