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Code Issues Packages Projects Releases Wiki Activity

'remove unnecessary escape characters from string' intention

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This commit is contained in:
Maxim.Medvedev
2012-07-05 16:16:10 +04:00
parent 55c2d4a36a
commit 66adfbb142
6 changed files with 140 additions and 0 deletions
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plugins/groovy/resources/intentionDescriptions/RemoveUnnecessaryEscapeCharactersIntention/after.groovy.template
+1
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@@ -0,0 +1 @@
print <spot>'x = "abc"'</spot>
plugins/groovy/resources/intentionDescriptions/RemoveUnnecessaryEscapeCharactersIntention/before.groovy.template
+1
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@@ -0,0 +1 @@
print <spot>'x = \"abc\"'</spot>
plugins/groovy/resources/intentionDescriptions/RemoveUnnecessaryEscapeCharactersIntention/description.html
+5
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@@ -0,0 +1,5 @@
<html>
<body>
<span style="font-family: verdana,serif; font-size: small;">This intention removes unnecessary escape characters from a selected string.</span>
</body>
</html>
plugins/groovy/src/META-INF/plugin.xml
+5
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@@ -1072,6 +1072,11 @@
<categoryKey>intention.category.groovy/intention.category.conversions</categoryKey>
<className>org.jetbrains.plugins.groovy.intentions.conversions.strings.GrConvertStringToCharIntention</className>
</intentionAction>
<intentionAction>
<bundleName>org.jetbrains.plugins.groovy.intentions.GroovyIntentionsBundle</bundleName>
<categoryKey>intention.category.groovy/intention.category.conversions</categoryKey>
<className>org.jetbrains.plugins.groovy.intentions.conversions.strings.RemoveUnnecessaryEscapeCharactersIntention</className>
</intentionAction>
<intentionAction>
<bundleName>org.jetbrains.plugins.groovy.intentions.GroovyIntentionsBundle</bundleName>
<categoryKey>intention.category.groovy/intention.category.conversions</categoryKey>
plugins/groovy/src/org/jetbrains/plugins/groovy/intentions/GroovyIntentionsBundle.properties
+2
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@@ -165,3 +165,5 @@ gr.convert.string.to.char.intention.name=Cast to char
gr.convert.string.to.char.intention.family.name=Cast to char
create.field.for.parameter.0 = Create Field for Parameter {0}
create.field.for.parameter=Create Field for Parameter
remove.unnecessary.escape.characters.intention.name=Remove unnecessary escape characters
remove.unnecessary.escape.characters.intention.family.name=Remove unnecessary escape characters
plugins/groovy/src/org/jetbrains/plugins/groovy/intentions/conversions/strings/RemoveUnnecessaryEscapeCharactersIntention.java
+126
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@@ -0,0 +1,126 @@
/*
* Copyright 2000-2012 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 org.jetbrains.plugins.groovy.intentions.conversions.strings;
import com.intellij.lang.ASTNode;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.TextRange;
import com.intellij.psi.PsiElement;
import com.intellij.psi.tree.IElementType;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.plugins.groovy.intentions.base.Intention;
import org.jetbrains.plugins.groovy.intentions.base.PsiElementPredicate;
import org.jetbrains.plugins.groovy.lang.lexer.GroovyTokenTypes;
import org.jetbrains.plugins.groovy.lang.parser.GroovyElementTypes;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.literals.GrLiteral;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.literals.GrString;
import static org.jetbrains.plugins.groovy.lang.psi.util.GrStringUtil.*;
/**
* @author Max Medvedev
*/
public class RemoveUnnecessaryEscapeCharactersIntention extends Intention {
@Override
protected void processIntention(@NotNull PsiElement element, Project project, Editor editor) throws IncorrectOperationException {
final Document document = editor.getDocument();
final TextRange range = element.getTextRange();
document.replaceString(range.getStartOffset(), range.getEndOffset(), removeUnnecessaryEscapeSymbols(((GrLiteral)element)));
}
@NotNull
@Override
protected PsiElementPredicate getElementPredicate() {
return new PsiElementPredicate() {
@Override
public boolean satisfiedBy(PsiElement element) {
final String text = element.getText();
return element instanceof GrLiteral &&
getStartQuote(text) != null &&
!removeUnnecessaryEscapeSymbols((GrLiteral)element).equals(text);
}
};
}
private static String removeUnnecessaryEscapeSymbols(final GrLiteral literal) {
final String text = literal.getText();
final String quote = getStartQuote(text);
final String value = removeQuotes(text);
final StringBuilder buffer = new StringBuilder();
buffer.append(quote);
if (quote == "'") {
escapeAndUnescapeSymbols(value, "", "\"$", buffer);
}
else if (quote == "'''") {
int position = buffer.length();
escapeAndUnescapeSymbols(value, "", "\"'$n", buffer);
fixAllTripleQuotes(buffer, position);
}
else if (quote == "\"") {
if (literal instanceof GrString) {
final ASTNode node = literal.getNode();
for (ASTNode child = node.getFirstChildNode(); child != null; child = child.getTreeNext()) {
final IElementType type = child.getElementType();
if (type == GroovyTokenTypes.mGSTRING_BEGIN || type == GroovyTokenTypes.mGSTRING_END) continue;
if (type == GroovyElementTypes.GSTRING_INJECTION) {
buffer.append(child.getText());
}
else {
escapeAndUnescapeSymbols(child.getText(), "", "'", buffer);
}
}
}
else {
escapeAndUnescapeSymbols(value, "", "'", buffer);
}
}
else if (quote == "\"\"\"") {
if (literal instanceof GrString) {
final ASTNode node = literal.getNode();
for (ASTNode child = node.getFirstChildNode(); child != null; child = child.getTreeNext()) {
final IElementType type = child.getElementType();
if (type == GroovyTokenTypes.mGSTRING_BEGIN || type == GroovyTokenTypes.mGSTRING_END) continue;
if (type == GroovyElementTypes.GSTRING_INJECTION) {
buffer.append(child.getText());
}
else {
final int position = buffer.length();
escapeAndUnescapeSymbols(value, "", "\"'n", buffer);
fixAllTripleDoubleQuotes(buffer, position);
}
}
}
else {
final int position = buffer.length();
escapeAndUnescapeSymbols(value, "", "\"'n", buffer);
fixAllTripleDoubleQuotes(buffer, position);
}
}
else {
return text;
}
buffer.append(quote);
return buffer.toString();
}
}