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Code Issues Wiki Activity

Fix for 185712: Invalid indenting of code template

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Patch by Sergey Prigogin <eclipse.sprigogin@gmail.com>
This commit is contained in:
Anton Leherbauer 2007-05-21 07:18:40 +00:00
parent 7fb1be766c
commit f2b9070846
3 changed files with 69 additions and 9 deletions
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3
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/corext/template/c/CContext.java
View file

@ -126,7 +126,8 @@ public class CContext extends TranslationUnitContext {
boolean useCodeFormatter= prefs.getBoolean(PreferenceConstants.TEMPLATES_USE_CODEFORMATTER);
ICProject project= getCProject();
CFormatter formatter= new CFormatter(TextUtilities.getDefaultLineDelimiter(getDocument()), getIndentationLevel(), useCodeFormatter, project);
int indentationLevel = isReadOnly() ? 0 : getIndentationLevel();
CFormatter formatter= new CFormatter(TextUtilities.getDefaultLineDelimiter(getDocument()), indentationLevel, useCodeFormatter, project);
formatter.format(buffer, this);
return buffer;

55
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/corext/template/c/CFormatter.java
View file

@ -14,6 +14,7 @@
package org.eclipse.cdt.internal.corext.template.c;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
@ -41,6 +42,7 @@ import org.eclipse.text.edits.TextEdit;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.formatter.CodeFormatter;
import org.eclipse.cdt.core.formatter.DefaultCodeFormatterConstants;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.ui.text.ICPartitions;
@ -95,6 +97,7 @@ public class CFormatter {
internalFormat(document, context);
convertLineDelimiters(document);
convertTabs(document);
if (isReplacedAreaEmpty(context))
trimStart(document);
@ -134,6 +137,50 @@ public class CFormatter {
}
}
/**
* Converts tabs into spaces if such conversion is required according
* to the current code style.
*
* @param document the document to process.
* @throws BadLocationException
*/
private void convertTabs(IDocument document) throws BadLocationException {
int lines= document.getNumberOfLines();
if (lines == 0)
return;
String option;
if (fProject == null)
option= CCorePlugin.getOption(DefaultCodeFormatterConstants.FORMATTER_TAB_CHAR);
else
option= fProject.getOption(DefaultCodeFormatterConstants.FORMATTER_TAB_CHAR, true);
if (!CCorePlugin.SPACE.equals(option))
return;
int tabWidth= CodeFormatterUtil.getTabWidth(fProject);
char[] spaces= null;
for (int line= 0; line < lines; line++) {
IRegion region= document.getLineInformation(line);
int offset= region.getOffset();
int length = region.getLength();
for (int i= 0; i < length; i++) {
char c= document.getChar(offset + i);
if (c == '\t') {
int numSpaces= tabWidth - i % tabWidth;
if (spaces == null) {
spaces= new char[tabWidth];
Arrays.fill(spaces, ' ');
}
document.replace(offset + i, 1, String.valueOf(spaces, 0, numSpaces));
numSpaces--;
i += numSpaces;
length += numSpaces;
}
}
}
}
private void trimStart(IDocument document) throws BadLocationException {
int i= 0;
while ((i != document.getLength()) && Character.isWhitespace(document.getChar(i)))
@ -175,13 +222,9 @@ public class CFormatter {
}
private void indent(IDocument document) throws BadLocationException, MalformedTreeException {
// first line
int offset= document.getLineOffset(0);
document.replace(offset, 0, CodeFormatterUtil.createIndentString(fInitialIndentLevel, fProject));
// following lines
String indent = CodeFormatterUtil.createIndentString(fInitialIndentLevel, fProject);
int lineCount= document.getNumberOfLines();
IndentUtil.indentLines(document, new LineRange(1, lineCount - 1), fProject, null);
IndentUtil.indentLines(document, new LineRange(0, lineCount), indent);
}
/**

20
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/editor/IndentUtil.java
View file

@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (c) 2005 IBM Corporation and others.
* Copyright (c) 2005, 2007 IBM Corporation 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
@ -17,6 +17,7 @@ import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITypedRegion;
import org.eclipse.jface.text.TextUtilities;
import org.eclipse.jface.text.source.ILineRange;
import org.eclipse.jface.text.source.LineRange;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.formatter.DefaultCodeFormatterConstants;
@ -102,6 +103,22 @@ public final class IndentUtil {
return result;
}
/**
* Inserts <code>indent</code> string at the beginning of each line in <code>lines</code>.
* @param document the document to be changed.
* @param lines the line range to be indented.
* @param indent the indent string to be inserted.
* @throws BadLocationException if <code>lines</code> is not a valid line
* range on <code>document</code>
*/
public static void indentLines(IDocument document, LineRange lines, String indent) throws BadLocationException {
int numberOfLines= lines.getNumberOfLines();
for (int line= lines.getStartLine(), last= line + numberOfLines; line < last; line++) {
int offset= document.getLineOffset(line);
document.replace(offset, 0, indent);
}
}
/**
* Returns <code>true</code> if line comments at column 0 should be indented inside, <code>false</code> otherwise.
*
@ -580,5 +597,4 @@ public final class IndentUtil {
computed= new StringBuffer(previousIndent);
return computed.toString();
}
}