| /* |
| * Copyright 2000-2010 JetBrains s.r.o. |
| * |
| * 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.intellij.lang.ant.dom; |
| |
| import com.intellij.lang.ant.misc.PsiReferenceListSpinAllocator; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.ElementManipulators; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiReference; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.psi.xml.XmlAttribute; |
| import com.intellij.psi.xml.XmlAttributeValue; |
| import com.intellij.util.containers.ContainerUtil; |
| import com.intellij.util.xml.ConvertContext; |
| import com.intellij.util.xml.DomElement; |
| import com.intellij.util.xml.DomReferenceInjector; |
| import com.intellij.util.xml.DomUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.Collection; |
| import java.util.List; |
| |
| /** |
| * @author Eugene Zhuravlev |
| * Date: Apr 9, 2010 |
| */ |
| class AntReferenceInjector implements DomReferenceInjector { |
| public String resolveString(@Nullable String unresolvedText, @NotNull ConvertContext context) { |
| // todo: speed optimization: disable string resolution in places where it is not applicable |
| if (unresolvedText == null) { |
| return null; |
| } |
| final DomElement element = context.getInvocationElement(); |
| return AntStringResolver.computeString(element, unresolvedText); |
| } |
| |
| @NotNull |
| public PsiReference[] inject(@Nullable String unresolvedText, @NotNull PsiElement element, @NotNull ConvertContext context) { |
| if (element instanceof XmlAttributeValue) { |
| final XmlAttributeValue xmlAttributeValue = (XmlAttributeValue)element; |
| final List<PsiReference> refs = PsiReferenceListSpinAllocator.alloc(); |
| try { |
| addPropertyReferences(context, xmlAttributeValue, refs); |
| addMacrodefParameterRefs(xmlAttributeValue, refs); |
| return refs.size() == 0? PsiReference.EMPTY_ARRAY : ContainerUtil.toArray(refs, new PsiReference[refs.size()]); |
| } |
| finally { |
| PsiReferenceListSpinAllocator.dispose(refs); |
| } |
| } |
| return PsiReference.EMPTY_ARRAY; |
| } |
| |
| private static void addPropertyReferences(@NotNull ConvertContext context, final XmlAttributeValue xmlAttributeValue, final Collection<PsiReference> result) { |
| final String value = xmlAttributeValue.getValue(); |
| final DomElement contextElement = context.getInvocationElement(); |
| |
| final XmlAttribute attrib = PsiTreeUtil.getParentOfType(xmlAttributeValue, XmlAttribute.class); |
| if (attrib != null) { |
| final String name = attrib.getName(); |
| if ("if".equals(name) || "unless".equals(name)) { |
| // special handling of if/unless attributes |
| final AntDomPropertyReference ref = new AntDomPropertyReference( |
| contextElement, xmlAttributeValue, ElementManipulators.getValueTextRange(xmlAttributeValue) |
| ); |
| // in runtime, if execution reaches this task the property is defined since it is used in if-condition |
| // so it is would be a mistake to highlight this as unresolved prop |
| ref.setShouldBeSkippedByAnnotator(true); |
| result.add(ref); |
| return; |
| } |
| } |
| |
| if (xmlAttributeValue != null /*&& value.indexOf("@{") < 0*/) { |
| final int valueBeginingOffset = Math.abs(xmlAttributeValue.getTextRange().getStartOffset() - xmlAttributeValue.getValueTextRange().getStartOffset()); |
| int startIndex; |
| int endIndex = -1; |
| while ((startIndex = value.indexOf("${", endIndex + 1)) > endIndex) { |
| if (startIndex > 0 && value.charAt(startIndex - 1) == '$') { |
| // the '$' is escaped |
| endIndex = startIndex + 1; |
| continue; |
| } |
| startIndex += 2; |
| endIndex = startIndex; |
| int nestedBrackets = 0; |
| while (value.length() > endIndex) { |
| final char ch = value.charAt(endIndex); |
| if (ch == '}') { |
| if (nestedBrackets == 0) { |
| break; |
| } |
| --nestedBrackets; |
| } |
| else if (ch == '{') { |
| ++nestedBrackets; |
| } |
| ++endIndex; |
| } |
| if (nestedBrackets > 0 || endIndex > value.length()) return; |
| if (endIndex >= startIndex) { |
| //final String propName = value.substring(startIndex, endIndex); |
| //if (antFile.isEnvironmentProperty(propName) && antFile.getProperty(propName) == null) { |
| // continue; |
| //} |
| final AntDomPropertyReference ref = new AntDomPropertyReference( |
| contextElement, xmlAttributeValue, new TextRange(valueBeginingOffset + startIndex, valueBeginingOffset + endIndex) |
| ); |
| |
| result.add(ref); |
| } |
| endIndex = startIndex; |
| } |
| } |
| } |
| |
| public static void addMacrodefParameterRefs(@NotNull XmlAttributeValue element, final Collection<PsiReference> refs) { |
| final DomElement domElement = DomUtil.getDomElement(element); |
| if (domElement == null) { |
| return; |
| } |
| final AntDomMacroDef macrodef = domElement.getParentOfType(AntDomMacroDef.class, true); |
| if (macrodef == null) { |
| return; |
| } |
| final String text = ElementManipulators.getValueText(element); |
| final int valueBeginingOffset = Math.abs(element.getTextRange().getStartOffset() - element.getValueTextRange().getStartOffset()); |
| int startIndex; |
| int endIndex = -1; |
| while ((startIndex = text.indexOf("@{", endIndex + 1)) > endIndex) { |
| startIndex += 2; |
| endIndex = startIndex; |
| int nestedBrackets = 0; |
| while (text.length() > endIndex) { |
| final char ch = text.charAt(endIndex); |
| if (ch == '}') { |
| if (nestedBrackets == 0) { |
| break; |
| } |
| --nestedBrackets; |
| } |
| else if (ch == '{') { |
| ++nestedBrackets; |
| } |
| ++endIndex; |
| } |
| if(nestedBrackets > 0 || endIndex == text.length()) return; |
| if (endIndex >= startIndex) { |
| //final String name = text.substring(startIndex, endIndex); |
| refs.add(new AntDomMacrodefAttributeReference(element, new TextRange(valueBeginingOffset + startIndex, valueBeginingOffset + endIndex))); |
| } |
| endIndex = startIndex; |
| } |
| } |
| |
| |
| } |