| /* |
| * Copyright 2000-2013 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. |
| */ |
| |
| /* |
| * Created by IntelliJ IDEA. |
| * User: Sergey.Vasiliev |
| * Date: Nov 13, 2006 |
| * Time: 4:37:22 PM |
| */ |
| package com.intellij.util.xml.converters; |
| |
| import com.intellij.codeInsight.daemon.EmptyResolveMessageProvider; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.psi.*; |
| import com.intellij.util.xml.*; |
| import org.jetbrains.annotations.Contract; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| public abstract class QuotedValueConverter<T> extends ResolvingConverter<T> implements CustomReferenceConverter<T> { |
| |
| public static final char[] QUOTE_SIGNS = new char[] {'\'', '\"', '`'}; |
| |
| protected char[] getQuoteSigns() { |
| return QUOTE_SIGNS; |
| } |
| |
| protected char getQuoteSign(final T t, final ConvertContext context) { |
| return 0; |
| } |
| |
| @Nullable |
| protected abstract T convertString(@Nullable final String string, final ConvertContext context); |
| |
| @Nullable |
| protected abstract String convertValue(@Nullable final T t, final ConvertContext context); |
| |
| protected abstract Object[] getReferenceVariants(final ConvertContext context, GenericDomValue<T> genericDomValue, |
| final TextRange rangeInElement); |
| |
| @NotNull |
| protected abstract ResolveResult[] multiResolveReference(@Nullable final T t, final ConvertContext context); |
| |
| protected abstract String getUnresolvedMessage(String value); |
| |
| @Override |
| @NotNull |
| public Collection<? extends T> getVariants(final ConvertContext context) { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public T fromString(final String str, final ConvertContext context) { |
| return convertString(unquote(str, getQuoteSigns()), context); |
| } |
| |
| @Override |
| public String toString(final T ts, final ConvertContext context) { |
| final char delimiter = getQuoteSign(ts, context); |
| final String s = convertValue(ts, context); |
| return delimiter > 0? delimiter + s+ delimiter : s; |
| } |
| |
| @Override |
| @NotNull |
| public PsiReference[] createReferences(final GenericDomValue<T> genericDomValue, |
| final PsiElement element, |
| final ConvertContext context) { |
| final String originalValue = genericDomValue.getStringValue(); |
| if (originalValue == null) return PsiReference.EMPTY_ARRAY; |
| TextRange range = ElementManipulators.getValueTextRange(element); |
| String unquotedValue = unquote(originalValue, getQuoteSigns()); |
| int valueOffset = range.substring(element.getText()).indexOf(unquotedValue); |
| if (valueOffset < 0) return PsiReference.EMPTY_ARRAY; |
| int start = range.getStartOffset() + valueOffset; |
| int end = start + unquotedValue.length(); |
| boolean unclosedQuotation = valueOffset > 0 && end == range.getEndOffset(); |
| return new PsiReference[]{createPsiReference(element, start, end, true, context, genericDomValue, unclosedQuotation)}; |
| } |
| |
| @Nullable |
| public static String unquote(final String str) { |
| return unquote(str, QUOTE_SIGNS); |
| } |
| |
| @Contract("null, _ -> null") |
| public static String unquote(final String str, final char[] quoteSigns) { |
| if (str != null && str.length() > 2) { |
| final char c = str.charAt(0); |
| for (char quote : quoteSigns) { |
| if (quote == c) { |
| return str.substring(1, c == str.charAt(str.length() - 1)? str.length() - 1 : str.length()); |
| } |
| } |
| } |
| return str; |
| } |
| |
| public static boolean quotationIsNotClosed(final String str) { |
| return StringUtil.isNotEmpty(str) && str.charAt(0) != str.charAt(str.length()-1); |
| } |
| |
| @NotNull |
| protected PsiReference createPsiReference(final PsiElement element, |
| int start, int end, |
| final boolean isSoft, |
| final ConvertContext context, |
| final GenericDomValue<T> genericDomValue, |
| final boolean badQuotation) { |
| |
| return new MyPsiReference(element, new TextRange(start, end), isSoft, context, genericDomValue, badQuotation); |
| } |
| |
| protected class MyPsiReference extends PsiPolyVariantReferenceBase<PsiElement> implements EmptyResolveMessageProvider { |
| protected final ConvertContext myContext; |
| protected final GenericDomValue<T> myGenericDomValue; |
| private final boolean myBadQuotation; |
| |
| public MyPsiReference(final PsiElement element, final TextRange range, final boolean isSoft, final ConvertContext context, final GenericDomValue<T> genericDomValue, |
| final boolean badQuotation) { |
| super(element, range, isSoft); |
| myContext = context; |
| myGenericDomValue = genericDomValue; |
| myBadQuotation = badQuotation; |
| } |
| |
| @Override |
| @NotNull |
| public ResolveResult[] multiResolve(final boolean incompleteCode) { |
| if (myBadQuotation) return ResolveResult.EMPTY_ARRAY; |
| final String value = getValue(); |
| return multiResolveReference(convertString(value, myContext), myContext); |
| } |
| |
| @Override |
| @NotNull |
| public Object[] getVariants() { |
| return getReferenceVariants(myContext, myGenericDomValue, getRangeInElement()); |
| } |
| |
| @Override |
| @NotNull |
| public String getUnresolvedMessagePattern() { |
| return myBadQuotation? DomBundle.message("message.invalid.value.quotation") : getUnresolvedMessage(getValue()); |
| } |
| } |
| } |