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-rw-r--r--bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/document/CSSSelectorParser.java335
1 files changed, 0 insertions, 335 deletions
diff --git a/bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/document/CSSSelectorParser.java b/bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/document/CSSSelectorParser.java
deleted file mode 100644
index b605610a89..0000000000
--- a/bundles/org.eclipse.wst.css.core/src/org/eclipse/wst/css/core/internal/document/CSSSelectorParser.java
+++ /dev/null
@@ -1,335 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2004, 2005 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * IBM Corporation - initial API and implementation
- *******************************************************************************/
-package org.eclipse.wst.css.core.internal.document;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Iterator;
-import java.util.List;
-
-import org.eclipse.wst.css.core.internal.parserz.CSSRegionContexts;
-import org.eclipse.wst.css.core.internal.parserz.CSSTextToken;
-import org.eclipse.wst.css.core.internal.provisional.document.ICSSSelectorCombinator;
-import org.eclipse.wst.css.core.internal.provisional.document.ICSSSelectorItem;
-
-
-/**
- *
- */
-public class CSSSelectorParser {
-
- private final static int IDLE = 0;
- private final static int ATTRIBUTE = 1;
- private final static int SIMPLE = 2;
-
- private List fTokens = null;
- private List fItems = null;
- private List fErrors = null;
-
- /**
- *
- */
- CSSSelectorParser(List tokens) {
- super();
- fTokens = new ArrayList(tokens);
- }
-
- /**
- *
- */
- List getSelector() {
- if (fItems == null) {
- parseSelector();
- }
- return fItems;
- }
-
- /**
- *
- */
- private void parseSelector() {
- fItems = new ArrayList();
-
- List attrBuf = null;
- CSSSimpleSelector item = null;
-
- int status = IDLE;
- Iterator i = fTokens.iterator();
- while (i.hasNext()) {
- CSSTextToken token = (CSSTextToken) i.next();
- if (token == null || token.kind == CSSRegionContexts.CSS_S || token.kind == CSSRegionContexts.CSS_COMMENT) {
- continue;
- }
- switch (status) {
- case IDLE :
- if (isTag(token)) {
- item = createSimple();
- appendTag(item, token);
- status = SIMPLE;
- }
- else if (isID(token)) {
- item = createSimple();
- appendID(item, token);
- status = SIMPLE;
- }
- else if (isClass(token)) {
- item = createSimple();
- appendClass(item, token);
- status = SIMPLE;
- }
- else if (isPseudo(token)) {
- item = createSimple();
- appendPseudo(item, token);
- status = SIMPLE;
- }
- else if (isAttributeBegin(token)) {
- item = createSimple();
- status = ATTRIBUTE;
- }
- else {
- addError(token);
- }
- break;
- case SIMPLE :
- if (isID(token)) {
- appendID(item, token);
- }
- else if (isClass(token)) {
- appendClass(item, token);
- }
- else if (isPseudo(token)) {
- appendPseudo(item, token);
- }
- else if (isAttributeBegin(token)) {
- status = ATTRIBUTE;
- }
- else if (isCombinator(token)) { // combinator
- closeItem(item);
- closeItem(createCombinator(token));
- status = IDLE;
- }
- else {
- addError(token);
- }
- break;
- case ATTRIBUTE :
- if (isAttributeEnd(token)) {
- appendAttribute(item, attrBuf);
- attrBuf = null;
- status = SIMPLE;
- }
- else {
- if (attrBuf == null) {
- attrBuf = new ArrayList();
- }
- attrBuf.add(token);
- if (!isAttributeContent(token)) {
- addError(token);
- }
- }
- break;
- default :
- break;
- }
- }
-
- closeItem(item);
- }
-
- /**
- * @param token
- * @return
- */
- private boolean isAttributeContent(CSSTextToken token) {
- String type = token.kind;
- return (type == CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_NAME || type == CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_OPERATOR || type == CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_VALUE);
- }
-
- /**
- * @param token
- * @return
- */
- private boolean isAttributeEnd(CSSTextToken token) {
- String type = token.kind;
- return (type == CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_END);
- }
-
- /**
- * @param token
- * @return
- */
- private boolean isAttributeBegin(CSSTextToken token) {
- String type = token.kind;
- return (type == CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_START);
- }
-
- /**
- * @param token
- * @return
- */
- private boolean isCombinator(CSSTextToken token) {
- String type = token.kind;
- return (type == CSSRegionContexts.CSS_SELECTOR_COMBINATOR);
- }
-
- /**
- * @param token
- * @return
- */
- private boolean isPseudo(CSSTextToken token) {
- String type = token.kind;
- return (type == CSSRegionContexts.CSS_SELECTOR_PSEUDO);
- }
-
- /**
- * @param token
- * @return
- */
- private boolean isClass(CSSTextToken token) {
- String type = token.kind;
- return (type == CSSRegionContexts.CSS_SELECTOR_CLASS);
- }
-
- /**
- * @param token
- * @return
- */
- private boolean isID(CSSTextToken token) {
- String type = token.kind;
- return (type == CSSRegionContexts.CSS_SELECTOR_ID);
- }
-
- /**
- * @param token
- * @return
- */
- private boolean isTag(CSSTextToken token) {
- String type = token.kind;
- return (type == CSSRegionContexts.CSS_SELECTOR_ELEMENT_NAME || type == CSSRegionContexts.CSS_SELECTOR_UNIVERSAL || type == CSSRegionContexts.CSS_UNKNOWN);
- }
-
- private CSSSimpleSelector createSimple() {
- return new CSSSimpleSelector();
- }
-
- /**
- * if " " or "+" or ">" appeared, close simpleselector and add new
- * combinator
- */
- private CSSSelectorCombinator createCombinator(CSSTextToken token) {
- char type = 0;
-
- String str = token.image;
- if (str.trim().length() == 0) { // space
- type = ICSSSelectorCombinator.DESCENDANT;
- }
- else if (str.equals("+")) { //$NON-NLS-1$
- type = ICSSSelectorCombinator.ADJACENT;
- }
- else if (str.equals(">")) { //$NON-NLS-1$
- type = ICSSSelectorCombinator.CHILD;
- }
-
- if (0 < type) {
- return new CSSSelectorCombinator(type);
- }
- else {
- return null;
- }
- }
-
- /**
- *
- */
- private void closeItem(ICSSSelectorItem item) {
- if (item != null) {
- fItems.add(item);
- }
- }
-
- private void appendTag(CSSSimpleSelector item, CSSTextToken token) {
- item.setName(token.image);
- if (token.kind == CSSRegionContexts.CSS_UNKNOWN) {
- addError(token);
- }
- }
-
- /**
- * if "#xxxx" appeared, add ID to current selector
- */
- private void appendID(CSSSimpleSelector item, CSSTextToken token) {
- String text = token.toString();
- String idContent = text.substring(1, text.length());
- item.addID(idContent);
- }
-
- /**
- * if ".xxxx" appeared, add Class to current selector
- */
- private void appendClass(CSSSimpleSelector item, CSSTextToken token) {
- String text = token.toString();
- String classContent = text.substring(1, text.length());
- item.addClass(classContent);
- if (Character.isDigit(classContent.charAt(0))) {
- addError(token);
- }
- }
-
- /**
- * if ":xxxx" appeared, add Pseudo(element/class) to current selector
- */
- private void appendPseudo(CSSSimpleSelector item, CSSTextToken token) {
- String text = token.toString();
- String pseudoContent = text.substring(1, text.length());
- item.addPseudoName(pseudoContent);
- }
-
- /**
- *
- */
- private void appendAttribute(CSSSimpleSelector item, List tokens) {
- StringBuffer buf = new StringBuffer();
-
- CSSTextToken token;
- Iterator i = tokens.iterator();
- while (i.hasNext()) {
- token = (CSSTextToken) i.next();
- buf.append(token.image);
- }
-
- item.addAttribute(buf.toString());
- }
-
- /**
- *
- */
- List getSelectorTags() {
- List tagList = new ArrayList();
- return tagList;
- }
-
- /**
- *
- */
- private void addError(CSSTextToken token) {
- if (fErrors == null) {
- fErrors = new ArrayList();
- }
- fErrors.add(token);
- }
-
- /**
- *
- */
- Iterator getErrors() {
- return (fErrors == null) ? Collections.EMPTY_LIST.iterator() : fErrors.iterator();
- }
-}

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