diff options
Diffstat (limited to 'bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/jspel/ELGeneratorVisitor.java')
| -rw-r--r-- | bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/jspel/ELGeneratorVisitor.java | 721 |
1 files changed, 0 insertions, 721 deletions
diff --git a/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/jspel/ELGeneratorVisitor.java b/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/jspel/ELGeneratorVisitor.java deleted file mode 100644 index ec996ff6bc..0000000000 --- a/bundles/org.eclipse.jst.jsp.core/src/org/eclipse/jst/jsp/core/internal/java/jspel/ELGeneratorVisitor.java +++ /dev/null @@ -1,721 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2005, 2010 BEA Systems 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: - * BEA Systems - initial implementation - * - * Bug 154474 EL: 'and', 'or', ... operator - * https://bugs.eclipse.org/bugs/show_bug.cgi?id=154474 - * Bernhard Huemer <bernhard.huemer@gmail.com> - * - *******************************************************************************/ -package org.eclipse.jst.jsp.core.internal.java.jspel; - -import java.util.ArrayList; -import java.util.HashMap; -import java.util.Iterator; -import java.util.List; -import java.util.Map; -import java.util.Map.Entry; - -import org.eclipse.core.filebuffers.ITextFileBuffer; -import org.eclipse.core.resources.IFile; -import org.eclipse.core.resources.IProject; -import org.eclipse.core.resources.IWorkspaceRoot; -import org.eclipse.core.resources.ProjectScope; -import org.eclipse.core.resources.ResourcesPlugin; -import org.eclipse.core.runtime.IPath; -import org.eclipse.core.runtime.Platform; -import org.eclipse.core.runtime.preferences.DefaultScope; -import org.eclipse.core.runtime.preferences.IScopeContext; -import org.eclipse.core.runtime.preferences.InstanceScope; -import org.eclipse.jdt.core.IJavaProject; -import org.eclipse.jdt.core.JavaCore; -import org.eclipse.jface.text.Position; -import org.eclipse.jst.jsp.core.internal.JSPCoreMessages; -import org.eclipse.jst.jsp.core.internal.JSPCorePlugin; -import org.eclipse.jst.jsp.core.internal.contentmodel.TaglibController; -import org.eclipse.jst.jsp.core.internal.contentmodel.tld.CMDocumentImpl; -import org.eclipse.jst.jsp.core.internal.contentmodel.tld.TLDCMDocumentManager; -import org.eclipse.jst.jsp.core.internal.contentmodel.tld.TaglibTracker; -import org.eclipse.jst.jsp.core.internal.contentmodel.tld.provisional.TLDFunction; -import org.eclipse.jst.jsp.core.internal.preferences.JSPCorePreferenceNames; -import org.eclipse.jst.jsp.core.jspel.ELProblem; -import org.eclipse.osgi.util.NLS; -import org.eclipse.wst.sse.core.internal.FileBufferModelManager; -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument; -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; -import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegionCollection; -import org.eclipse.wst.sse.core.internal.validate.ValidationMessage; -import org.eclipse.wst.validation.internal.provisional.core.IMessage; - -public class ELGeneratorVisitor implements JSPELParserVisitor { - - private static final String PREFERENCE_NODE_QUALIFIER = JSPCorePlugin.getDefault().getBundle().getSymbolicName(); - private static final String ENDL = "\n"; //$NON-NLS-1$ - - private static final String fExpressionHeader1 = "public String _elExpression"; //$NON-NLS-1$ - private static final String fExpressionHeader2 = "()" + ENDL + //$NON-NLS-1$ - "\t\tthrows java.io.IOException, javax.servlet.ServletException, javax.servlet.jsp.JspException {" + ENDL + //$NON-NLS-1$ - "javax.servlet.jsp.PageContext pageContext = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map param = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map paramValues = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map header = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map headerValues = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map cookie = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map initParam = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map pageScope = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map requestScope = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map sessionScope = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map applicationScope = null;" + ENDL + //$NON-NLS-1$ - "return \"\"+( "; //$NON-NLS-1$ - - private static final String fExpressionHeader2_param = "()" + ENDL + //$NON-NLS-1$ - "\t\tthrows java.io.IOException, javax.servlet.ServletException, javax.servlet.jsp.JspException {" + ENDL + //$NON-NLS-1$ - "javax.servlet.jsp.PageContext pageContext = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map<String, String> param = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map<String, String[]> paramValues = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map<String, String> header = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map<String, String[]> headerValues = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map<String, javax.servlet.http.Cookie> cookie = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map<String, String> initParam = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map<String, Object> pageScope = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map<String, Object> requestScope = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map<String, Object> sessionScope = null;" + ENDL + //$NON-NLS-1$ - "java.util.Map<String, Object> applicationScope = null;" + ENDL + //$NON-NLS-1$ - "return \"\"+( "; //$NON-NLS-1$ - - private static final String fJspImplicitObjects[] = { "pageContext" }; //$NON-NLS-1$ - - private static final String fJspImplicitMaps[] = { "param", "paramValues", "header", "headerValues", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ - "cookie", "initParam", "pageScope", "requestScope", "sessionScope", //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ - "applicationScope" }; //$NON-NLS-1$ - - private static final HashMap fJSPImplicitObjectMap = new HashMap(fJspImplicitObjects.length); - static { - for(int i = 0; i < fJspImplicitObjects.length; i++) { - fJSPImplicitObjectMap.put(fJspImplicitObjects[i], new Boolean(true)); - } - - for(int i = 0; i < fJspImplicitMaps.length; i++) { - fJSPImplicitObjectMap.put(fJspImplicitMaps[i], new Boolean(false)); - } - } - - private static final String fFooter = " );" + ENDL + "}" + ENDL; //$NON-NLS-1$ //$NON-NLS-2$ - - private StringBuffer fResult; - private Map fCodeMap; - private int fOffsetInUserCode; - private static int methodCounter = 0; - private IStructuredDocument fDocument = null; - private int fContentStart; - private static Map fOperatorMap; - // start of the generated function definition, if any: - private int fGeneratedFunctionStart; - - // this flag lets us know if we were unable to generate for some reason. One possible reason is that the expression - // contains a reference to a variable for which information is only available at runtime. - private boolean fCanGenerate = true; - - private IStructuredDocumentRegion fCurrentNode; - - private boolean fUseParameterizedTypes; - - private List fELProblems; - private IScopeContext[] fScopeContexts = null; - - /** - * Tranlsation of XML-style operators to java - */ - static { - fOperatorMap = new HashMap(); - fOperatorMap.put("gt", ">"); //$NON-NLS-1$ //$NON-NLS-2$ - fOperatorMap.put("lt", "<"); //$NON-NLS-1$ //$NON-NLS-2$ - fOperatorMap.put("ge", ">="); //$NON-NLS-1$ //$NON-NLS-2$ - fOperatorMap.put("le", "<="); //$NON-NLS-1$ //$NON-NLS-2$ - fOperatorMap.put("mod", "%"); //$NON-NLS-1$ //$NON-NLS-2$ - fOperatorMap.put("eq", "=="); //$NON-NLS-1$ //$NON-NLS-2$ - fOperatorMap.put("and", "&&"); //$NON-NLS-1$ //$NON-NLS-2$ - fOperatorMap.put("or", "||"); //$NON-NLS-1$ //$NON-NLS-2$ - fOperatorMap.put("not", "!"); //$NON-NLS-1$ //$NON-NLS-2$ - } - - /** - * The constructor squirrels away a few things we'll need later - * - * @param result - * @param codeMap - * @param translator - * @param jspReferenceRegion - * @param contentStart - */ - public ELGeneratorVisitor(StringBuffer result, IStructuredDocumentRegion currentNode, Map codeMap, IStructuredDocument document, ITextRegionCollection jspReferenceRegion, int contentStart) - { - fResult = result; - fCodeMap = codeMap; - fOffsetInUserCode = result.length(); - fContentStart = contentStart; - fDocument = document; - fCurrentNode = currentNode; - fGeneratedFunctionStart = -1; //set when generating function definition - fUseParameterizedTypes = compilerSupportsParameterizedTypes(); - fELProblems = new ArrayList(); - fScopeContexts = getScopeContexts(); - } - - /** - * Append a token to the output stream. Automatically calculating mapping. - * - * @param token - */ - private void append(Token token) - { - append(token.image, token.beginColumn - 1, token.endColumn); - } - - /** - * Append a translation for the corresponding input token. - * - * @param translated - * @param token - */ - private void append(String translated, Token token) - { - append(translated, token.beginColumn - 1, token.endColumn); - } - - /** - * Append a string explicitly giving the input mapping. - * - * @param newText - * @param jspPositionStart - * @param jspPositionEnd - */ - private void append(String newText, int jspPositionStart, int jspPositionEnd) - { - fResult.append(newText); - Position javaRange = new Position(fOffsetInUserCode, newText.length()); - Position jspRange = new Position(fContentStart + jspPositionStart, jspPositionEnd - jspPositionStart); - - fCodeMap.put(javaRange, jspRange); - fOffsetInUserCode += newText.length(); - } - - /** - * Append text that will be unmapped and therefore will not be available for completion. - * - * @param newText - */ - private void append(String newText) - { - fResult.append(newText); - fOffsetInUserCode += newText.length(); - } - - /** - * Generate a function invocation. - * - * @param fullFunctionName - * @return - */ - protected String genFunction(String fullFunctionName) { - TLDCMDocumentManager docMgr = TaglibController.getTLDCMDocumentManager(fDocument); - int colonIndex = fullFunctionName.indexOf(':'); - String prefix = fullFunctionName.substring(0, colonIndex); - String functionName = fullFunctionName.substring(colonIndex + 1); - if (docMgr == null) - return null; - - Iterator taglibs = docMgr.getCMDocumentTrackers(fCurrentNode.getStartOffset()).iterator(); - while (taglibs.hasNext()) { - TaglibTracker tracker = (TaglibTracker)taglibs.next(); - if(tracker.getPrefix().equals(prefix)) { - CMDocumentImpl doc = (CMDocumentImpl)tracker.getDocument(); - - List functions = doc.getFunctions(); - for(Iterator it = functions.iterator(); it.hasNext(); ) { - TLDFunction function = (TLDFunction)it.next(); - if(function.getName().equals(functionName)) { - String javaFuncName = getFunctionNameFromSignature(function.getSignature()); - if (javaFuncName == null) - javaFuncName = functionName; - return function.getClassName() + "." + javaFuncName; //$NON-NLS-1$ - } - } - } - } - return null; - } - - /** - * Handle a simple node -- fallback - */ - public Object visit(SimpleNode node, Object data) { - return(node.childrenAccept(this, data)); - } - - static synchronized int getMethodCounter() { - return methodCounter++; - } - - /** - * Handle top-level expression - */ - public Object visit(ASTExpression node, Object data) { - return node.childrenAccept(this, data); - } - - public void startFunctionDefinition(int start) { - fGeneratedFunctionStart = fResult.length(); - append(fExpressionHeader1, start, start); - append(Integer.toString(getMethodCounter()), start, start); - if (fUseParameterizedTypes) - append(fExpressionHeader2_param, start, start); - else - append(fExpressionHeader2, start, start); - } - - public void endFunctionDefinition(int end) { - if (fGeneratedFunctionStart < 0) { - throw new IllegalStateException("Cannot end function definition because none has been started."); //$NON-NLS-1$ - } - append(fFooter, end, end); - - // something is preventing good code generation so empty out the result - // and the map. - if (!fCanGenerate) { - fResult.delete(fGeneratedFunctionStart, fResult.length()); - fOffsetInUserCode = fResult.length(); - // remove all fCodeMap entries for the removed code: - for (Iterator it = fCodeMap.entrySet().iterator(); it.hasNext();) { - Map.Entry entry = (Entry) it.next(); - if (entry.getKey() instanceof Position) { - Position pos = (Position) entry.getKey(); - if (pos.getOffset() >= fGeneratedFunctionStart) { - it.remove(); - } - } - } - } - fGeneratedFunctionStart = -1; - } - - - private boolean compilerSupportsParameterizedTypes() { - if (fDocument != null) { - IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot(); - IPath location = TaglibController.getLocation(fDocument); - if (location != null && location.segmentCount() > 0) { - IJavaProject project = JavaCore.create(root.getProject(location.segment(0))); - String compliance = project.getOption(JavaCore.COMPILER_SOURCE, true); - try { - return Float.parseFloat(compliance) >= 1.5; - } - catch (NumberFormatException e) { - return false; - } - } - } - return false; - } - - /** - * Generically generate an operator node. - * - * @param node - * @param data - */ - private void generateOperatorNode(ASTOperatorExpression node, Object data) { - for(int i = 0; i < node.children.length; i++) { - node.children[i].jjtAccept(this, data); - if( node.children.length - i > 1) { - appendOperator((Token)node.getOperatorTokens().get(i)); - } - } - } - - /** - * Append an operator to the output stream after translation (if any) - * - * @param token - * @return - */ - private String appendOperator(Token token) { - String tokenImage = token.image.trim(); - String translated = (String)fOperatorMap.get(tokenImage); - if(null != translated) { - append(translated, token); - } else { - append(token); - } - return(translated); - } - - /** - * Handle or Expression - */ - public Object visit(ASTOrExpression node, Object data) { - generateOperatorNode(node, data); - return(null); - } - - - /** - * Handle and expression - */ - public Object visit(ASTAndExpression node, Object data) { - generateOperatorNode(node, data); - return(null); - } - - - /** - * Handle equality - */ - public Object visit(ASTEqualityExpression node, Object data) { - generateOperatorNode(node, data); - return(null); - } - - - /** - * Handle Relational - */ - public Object visit(ASTRelationalExpression node, Object data) { - generateOperatorNode(node, data); - return(null); - } - - - /** - * Handle addition - */ - public Object visit(ASTAddExpression node, Object data) { - generateOperatorNode(node, data); - return(null); - } - - - /** - * Handle multiply - */ - public Object visit(ASTMultiplyExpression node, Object data) { - generateOperatorNode(node, data); - return(null); - } - - - /** - * Choice Expression (ternary operator) - */ - public Object visit(ASTChoiceExpression node, Object data) { - node.children[0].jjtAccept(this, data); - append("?"); //$NON-NLS-1$ - node.children[1].jjtAccept(this, data); - append(":"); //$NON-NLS-1$ - node.children[2].jjtAccept(this,data); - return null; - } - - - /** - * Handle unary - */ - public Object visit(ASTUnaryExpression node, Object data) { - if(JSPELParserConstants.EMPTY == node.firstToken.kind) { - append("((null == "); //$NON-NLS-1$ - node.childrenAccept(this, data); - append(") || ("); //$NON-NLS-1$ - node.childrenAccept(this, data); - append(").isEmpty())"); //$NON-NLS-1$ - } else if(JSPELParserConstants.NOT1 == node.firstToken.kind || JSPELParserConstants.NOT2 == node.firstToken.kind) { - append("(!"); //$NON-NLS-1$ - node.childrenAccept(this, data); - append(")"); //$NON-NLS-1$ - } else if(JSPELParserConstants.MINUS == node.firstToken.kind) { - append("(-"); //$NON-NLS-1$ - node.childrenAccept(this, data); - append(")"); //$NON-NLS-1$ - } else { - node.childrenAccept(this, data); - } - return null; - } - - - /** - * Value node - */ - public Object visit(ASTValue node, Object data) { - if(node.jjtGetNumChildren() >= 2) { - if(node.jjtGetChild(0) instanceof ASTValuePrefix && node.jjtGetChild(1) instanceof ASTValueSuffix) { - ASTValuePrefix prefix = (ASTValuePrefix) node.jjtGetChild(0); - ASTValueSuffix suffix = (ASTValueSuffix) node.jjtGetChild(1); - //content assist can cause a null pointer here without the extra null check - if(prefix.firstToken.image.equals("pageContext") && suffix.getPropertyNameToken() != null && suffix.getPropertyNameToken().image.equals("request")) { - append("((HttpServletRequest)"); - } - } - } - return node.childrenAccept(this, data); - } - - - /** - * Value Prefix - */ - public Object visit(ASTValuePrefix node, Object data) { - // this is a raw identifier. May sure it's an implicit object. - // This is the primary place where modification is needed to - // support JSF backing beans. - if(null == node.children) { - if(isCompletingObject(node.firstToken.image)) { - append(node.firstToken); - } else { - fCanGenerate = false; - } - return(null); - } - return node.childrenAccept(this, data); - } - - - /** - * Function for testing implicit objects. - * - * @param image - * @return - */ - private boolean isCompletingObject(String image) { - Boolean value = (Boolean)fJSPImplicitObjectMap.get(image); - return null == value ? false : value.booleanValue(); - } - - /** - * Value suffix - */ - public Object visit(ASTValueSuffix node, Object data) { - if(JSPELParserConstants.LBRACKET == node.firstToken.kind) { - fCanGenerate = false; - } else if(null != node.getPropertyNameToken()) { - Token suffix = node.getPropertyNameToken(); - String ucaseName = suffix.image.substring(0, 1).toUpperCase() + suffix.image.substring(1, suffix.image.length()); - - // This is a special case. Note that the type system, no matter how much type information - // we would have wouldn't give us the correct result. We're looking for "pageContext.request" - // here and will add a downcast to (HTTPServletRequest) - - append(node.firstToken); - append("get" + ucaseName + "()", suffix); //$NON-NLS-1$ //$NON-NLS-2$ - - SimpleNode parent = (SimpleNode) node.jjtGetParent(); - if(suffix.image.equals("request") && parent instanceof ASTValue && //$NON-NLS-1$ - parent.jjtGetParent() instanceof ASTUnaryExpression && parent.firstToken.image.equals("pageContext")) { //$NON-NLS-1$ - append(")"); - } - - } else if(node.getLastToken().image.equals(".") && node.getLastToken().next.image.equals("")) { //$NON-NLS-1$ //$NON-NLS-2$ - //this allows for content assist in the case of something along the lines of "pageContext." and then ctl-space - append(node.firstToken); - append("get()", node.getLastToken().beginColumn, node.getLastToken().beginColumn); //$NON-NLS-1$ - } else { - append(node.firstToken); - } - return null; - } - - - /** - * Function invocation - */ - public Object visit(ASTFunctionInvocation node, Object data) { - String functionTranslation = genFunction(node.getFullFunctionName()); - if(null != functionTranslation) { - - //find the token representing the function name - Token jspFuncNameToken = getJSPFuncNameToken(node); - - /* if there is a dot in the function name then separate out the class path - * from the function name and append. - * else just append - * in both cases use the jsp function name token as the mapped token - */ - int indexOfDot = functionTranslation.lastIndexOf('.'); - if(indexOfDot != -1) { - String funcClass = functionTranslation.substring(0,indexOfDot+1); - String funcName = functionTranslation.substring(indexOfDot+1); - append(funcClass, jspFuncNameToken); - append(funcName, jspFuncNameToken); - } else { - append(functionTranslation, jspFuncNameToken); - } - - //append any parameters - append("("); - if(node.children != null) { - for(int i = 0; i < node.children.length; i++) { - node.children[i].jjtAccept(this, data); - if( node.children.length - i > 1){ - append(","); //$NON-NLS-1$ - } - } - } - append(")"); //$NON-NLS-1$ - } - else { - final int sev = getProblemSeverity(JSPCorePreferenceNames.VALIDATION_EL_FUNCTION_UNDEFINED); - if (sev != ValidationMessage.IGNORE) { - //column offsets are 1 based not 0 based, thus subtract one - final int problemOffset = fContentStart + node.getFirstToken().beginColumn - 1; - final int problemLength = node.getLastToken().endColumn - 1; - - //could not find function translation so report error - fELProblems.add(new ELProblem(sev, new Position(problemOffset, problemLength), NLS.bind(JSPCoreMessages.JSPELTranslator_0, node.getFullFunctionName()))); - } - - //error message to be injected into translation purely for debugging purposes - String errorMsg = "\"Could not find function translation for: " + node.getFullFunctionName() + "\""; //$NON-NLS-1$ //$NON-NLS-2$ - append(errorMsg); - } - return null; - } - - /** - * @return the {@link ELProblem}s found by this visitor - */ - public List getELProblems() { - return fELProblems; - } - - /** - * Literal - */ - public Object visit(ASTLiteral node, Object data) { - if (isSingleQuotedStringLiteral(node)) { - //replace the single quotes with double quotes quotes - //so java compiler will be happy - //(see: https://bugs.eclipse.org/bugs/show_bug.cgi?id=104943) - String image = node.firstToken.image; - image = "\"" + image.substring(1, image.length()-1) + "\""; //$NON-NLS-1$ //$NON-NLS-2$ - node.firstToken.image = image; - } - - append(node.firstToken); - return null; - } - - /** - * Indicates whether the given ASTLiteral is a single quoted string literal, - * As opposed to a double quoted ASTLiteral - * - * @param node the ASTLiteral to check to see if it is single quoted - * - * @return true, if the given token is a single quoted string literal, - * false otherwise - */ - private static boolean isSingleQuotedStringLiteral(ASTLiteral node) { - String content = node.firstToken.image; - return content.length() > 1 && content.startsWith("'") && content.endsWith("'"); //$NON-NLS-1$ // $NON-NLS-2$ - } - - /** - * <p>Given a method signature parse out the method name and return it. - * The method name in the signature is found by finding a word with - * whitespace before it and a '<code>(</code>' after it.</p> - * - * @param methodSignature the signature of the method to get the method name out of. - * @return the method name from the given signature, or <code>null</code> if it - * can not be found. - */ - private static String getFunctionNameFromSignature (String methodSignature) { - int length = methodSignature.length(); - char c = 0; - int identifierStart = -1; - int whitespaceStart = -1; - // keep track of the index of the last identifier before the ( - for (int i = 0; i < length; i++) { - c = methodSignature.charAt(i); - if (Character.isJavaIdentifierPart(c) && whitespaceStart >= identifierStart) - identifierStart = i; - else if (Character.isWhitespace(c)) - whitespaceStart = i; - else if (c == '(') { - if (identifierStart >= 0) { - return methodSignature.substring(identifierStart, i).trim(); - } - } - } - return null; - } - - /** - * Returns the {@link Token} the represents the function name in - * the {@link ASTFunctionInvocation}. This is designated as the - * first token after the {@link Token} whose image is ":". - * If such a token can not be found then the first token of the - * {@link ASTFunctionInvocation} is returned. - * - * @param funcInvo the {@link ASTFunctionInvocation} to find the function name {@link Token} in - * @return the {@link Token} in the given {@link ASTFunctionInvocation} that represents the - * function name, or if that can't be found the first {@link Token} in the {@link ASTFunctionInvocation}. - */ - private Token getJSPFuncNameToken(ASTFunctionInvocation funcInvo) { - Token funcNameToken = funcInvo.getFirstToken(); - - Token temp = funcInvo.getFirstToken(); - do { - if(temp.image.equals(":")) { - funcNameToken = temp.next; - } - } while(temp.next != null && funcNameToken == null); - - - return funcNameToken; - } - - /** - * @param key preference key used to get the severity for a problem - * @param contexts preference service contexts - * @return The severity of the problem represented by the given preference key - */ - private int getProblemSeverity(String key) { - return Platform.getPreferencesService().getInt(PREFERENCE_NODE_QUALIFIER, key, IMessage.NORMAL_SEVERITY, fScopeContexts); - } - - private IScopeContext[] getScopeContexts() { - IScopeContext[] scopes = new IScopeContext[]{new InstanceScope(), new DefaultScope()}; - final IFile file = getFile(); - if (file != null && file.exists()) { - final IProject project = file.getProject(); - if (project.exists()) { - final ProjectScope projectScope = new ProjectScope(project); - if (projectScope.getNode(PREFERENCE_NODE_QUALIFIER).getBoolean(JSPCorePreferenceNames.VALIDATION_USE_PROJECT_SETTINGS, false)) { - scopes = new IScopeContext[]{projectScope, new InstanceScope(), new DefaultScope()}; - } - } - } - return scopes; - } - - private IFile getFile() { - IFile f = null; - if (fDocument != null) { - final ITextFileBuffer buffer = FileBufferModelManager.getInstance().getBuffer(fDocument); - if (buffer != null) { - final IPath path = buffer.getLocation(); - if (path.segmentCount() > 1) { - f = ResourcesPlugin.getWorkspace().getRoot().getFile(path); - } - if (f != null && f.isAccessible()) { - return f; - } - } - } - return null; - } -} |