| /* |
| * 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. |
| */ |
| package com.jetbrains.python.spellchecker; |
| |
| import com.intellij.openapi.util.Pair; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.spellchecker.inspections.PlainTextSplitter; |
| import com.intellij.spellchecker.inspections.Splitter; |
| import com.intellij.spellchecker.tokenizer.SpellcheckingStrategy; |
| import com.intellij.spellchecker.tokenizer.TokenConsumer; |
| import com.intellij.spellchecker.tokenizer.Tokenizer; |
| import com.jetbrains.python.PyTokenTypes; |
| import com.jetbrains.python.inspections.PyStringFormatParser; |
| import com.jetbrains.python.psi.PyBinaryExpression; |
| import com.jetbrains.python.psi.PyStringLiteralExpression; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.List; |
| |
| /** |
| * @author yole |
| */ |
| public class PythonSpellcheckerStrategy extends SpellcheckingStrategy { |
| private static class StringLiteralTokenizer extends Tokenizer<PyStringLiteralExpression> { |
| @Override |
| public void tokenize(@NotNull PyStringLiteralExpression element, TokenConsumer consumer) { |
| Splitter splitter = PlainTextSplitter.getInstance(); |
| String text = element.getText(); |
| if (text.indexOf('\\') >= 0) { |
| for (Pair<TextRange, String> fragment : element.getDecodedFragments()) { |
| final String value = fragment.getSecond(); |
| consumer.consumeToken(element, value, false, fragment.getFirst().getStartOffset(), TextRange.allOf(value), |
| PlainTextSplitter.getInstance()); |
| } |
| } |
| else if (text.startsWith("u") || text.startsWith("U") || text.startsWith("r") || text.startsWith("R") || |
| text.startsWith("b") || text.startsWith("B")) { |
| List<TextRange> valueTextRanges = element.getStringValueTextRanges(); |
| for (TextRange valueTextRange : valueTextRanges) { |
| final int startOffset = valueTextRange.getStartOffset(); |
| consumer.consumeToken(element, valueTextRange.substring(element.getText()), false, startOffset, valueTextRange.shiftRight(-startOffset), splitter); |
| } |
| } |
| else { |
| consumer.consumeToken(element, splitter); |
| } |
| } |
| } |
| |
| private static class FormatStringTokenizer extends Tokenizer<PyStringLiteralExpression> { |
| @Override |
| public void tokenize(@NotNull PyStringLiteralExpression element, TokenConsumer consumer) { |
| String stringValue = element.getStringValue(); |
| List<PyStringFormatParser.FormatStringChunk> chunks = PyStringFormatParser.parsePercentFormat(stringValue); |
| Splitter splitter = PlainTextSplitter.getInstance(); |
| for (PyStringFormatParser.FormatStringChunk chunk : chunks) { |
| if (chunk instanceof PyStringFormatParser.ConstantChunk) { |
| int startIndex = element.valueOffsetToTextOffset(chunk.getStartIndex()); |
| int endIndex = element.valueOffsetToTextOffset(chunk.getEndIndex()); |
| String text = element.getText().substring(startIndex, endIndex); |
| consumer.consumeToken(element, text, false, startIndex, TextRange.allOf(text), splitter); |
| } |
| } |
| } |
| } |
| |
| private StringLiteralTokenizer myStringLiteralTokenizer = new StringLiteralTokenizer(); |
| private FormatStringTokenizer myFormatStringTokenizer = new FormatStringTokenizer(); |
| |
| @NotNull |
| @Override |
| public Tokenizer getTokenizer(PsiElement element) { |
| if (element instanceof PyStringLiteralExpression) { |
| PsiElement parent = element.getParent(); |
| if (parent instanceof PyBinaryExpression) { |
| PyBinaryExpression binaryExpression = (PyBinaryExpression)parent; |
| if (element == binaryExpression.getLeftExpression() && binaryExpression.getOperator() == PyTokenTypes.PERC) { |
| return myFormatStringTokenizer; |
| } |
| } |
| return myStringLiteralTokenizer; |
| } |
| return super.getTokenizer(element); |
| } |
| } |