/*
* Copyright 2000-2009 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.intellij.lang.xpath.xslt.run;
import com.intellij.execution.filters.Filter;
import com.intellij.execution.filters.HyperlinkInfo;
import com.intellij.execution.filters.InvalidExpressionException;
import com.intellij.execution.filters.OpenFileHyperlinkInfo;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.editor.ex.util.EditorUtil;
import com.intellij.openapi.fileEditor.FileDocumentManager;
import com.intellij.openapi.fileTypes.FileType;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vfs.VfsUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.VirtualFileManager;
import com.intellij.psi.codeStyle.CodeStyleSettingsManager;
import com.intellij.util.io.URLUtil;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Iterator;
import java.util.TreeMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Copy of com.intellij.execution.filters.RegexpFilter
*
* Sascha Weinreuter - 2005-11-07 - Modfied to be able to use a customized filename/url pattern
*
* @author Yura Cangea
* @version 1.0
*/
@SuppressWarnings({"ALL"})
public class CustomRegexpFilter implements Filter {
@SuppressWarnings({"HardCodedStringLiteral"})
public static final String FILE_PATH_MACROS = "$FILE_PATH$";
@SuppressWarnings({"HardCodedStringLiteral"})
public static final String LINE_MACROS = "$LINE$";
@SuppressWarnings({"HardCodedStringLiteral"})
public static final String COLUMN_MACROS = "$COLUMN$";
@SuppressWarnings({"HardCodedStringLiteral"})
private static final String DEFAULT_REGEXP = "((?:\\p{Alpha}\\:)?[0-9 a-z_A-Z\\-\\\\./]+)";
private static final String NUMBER_REGEXP = "([0-9]+)";
private int myFileRegister;
private int myLineRegister;
private int myColumnRegister;
private Pattern myPattern;
private Project myProject;
private final VirtualFile myBase;
private final String myFilePathRegexp;
public CustomRegexpFilter(Project project, String expression, VirtualFile base) {
this(project, expression, base, DEFAULT_REGEXP);
}
public CustomRegexpFilter(Project project, String expression, VirtualFile base, String filePathExpr) {
myFilePathRegexp = filePathExpr;
myProject = project;
myBase = base;
validate(expression);
if (expression == null || "".equals(expression.trim())) {
throw new InvalidExpressionException("expression == null or empty");
}
int filePathIndex = expression.indexOf(FILE_PATH_MACROS);
int lineIndex = expression.indexOf(LINE_MACROS);
int columnIndex = expression.indexOf(COLUMN_MACROS);
if (filePathIndex == -1) {
throw new InvalidExpressionException("Expression must contain " + FILE_PATH_MACROS + " macros.");
}
final TreeMap<Integer, String> map = new TreeMap<Integer, String>();
map.put(new Integer(filePathIndex), "file");
expression = StringUtil.replace(expression, FILE_PATH_MACROS, myFilePathRegexp);
if (lineIndex != -1) {
expression = StringUtil.replace(expression, LINE_MACROS, NUMBER_REGEXP);
map.put(new Integer(lineIndex), "line");
}
if (columnIndex != -1) {
expression = StringUtil.replace(expression, COLUMN_MACROS, NUMBER_REGEXP);
map.put(new Integer(columnIndex), "column");
}
// The block below determines the registers based on the sorted map.
int count = 0;
final Iterator<Integer> itr = map.keySet().iterator();
while (itr.hasNext()) {
count++;
final String s = map.get(itr.next());
if ("file".equals(s)) {
filePathIndex = count;
} else if ("line".equals(s)) {
lineIndex = count;
} else if ("column".equals(s)) {
columnIndex = count;
}
}
myFileRegister = filePathIndex;
myLineRegister = lineIndex;
myColumnRegister = columnIndex;
myPattern = Pattern.compile(expression, Pattern.MULTILINE);
}
public void validate(String expression) {
if (expression == null || "".equals(expression.trim())) {
throw new InvalidExpressionException("expression == null or empty");
}
expression = substituteMacrosesWithRegexps(expression);
Pattern.compile(expression, Pattern.MULTILINE);
}
private String substituteMacrosesWithRegexps(String expression) {
int filePathIndex = expression.indexOf(FILE_PATH_MACROS);
int lineIndex = expression.indexOf(LINE_MACROS);
int columnIndex = expression.indexOf(COLUMN_MACROS);
if (filePathIndex == -1) {
throw new InvalidExpressionException("Expression must contain " + FILE_PATH_MACROS + " macros.");
}
expression = StringUtil.replace(expression, FILE_PATH_MACROS, myFilePathRegexp);
if (lineIndex != -1) {
expression = StringUtil.replace(expression, LINE_MACROS, NUMBER_REGEXP);
}
if (columnIndex != -1) {
expression = StringUtil.replace(expression, COLUMN_MACROS, NUMBER_REGEXP);
}
return expression;
}
@SuppressWarnings({"ConstantConditions"})
public Result applyFilter(final String line, final int entireLength) {
final Matcher matcher = myPattern.matcher(line);
if (matcher.find()) {
return createResult(matcher, entireLength - line.length());
}
return null;
}
private Result createResult(final Matcher matcher, final int entireLen) {
final String filePath = matcher.group(myFileRegister);
String lineNumber = "0";
String columnNumber = "0";
if (myLineRegister != -1) {
lineNumber = matcher.group(myLineRegister);
}
if (myColumnRegister != -1) {
columnNumber = matcher.group(myColumnRegister);
}
int line = 0;
int column = 0;
try {
line = Integer.parseInt(lineNumber);
column = Integer.parseInt(columnNumber);
} catch (NumberFormatException e) {
// Do nothing, so that line and column will remain at their initial
// zero values.
}
if (line > 0) line -= 1;
if (column > 0) column -= 1;
// Calculate the offsets relative to the entire text.
final int highlightStartOffset;
final int highlightEndOffset;
if ((filePath == null || filePath.length() == 0) && myLineRegister != -1) {
highlightStartOffset = entireLen + matcher.start(myLineRegister);
highlightEndOffset = highlightStartOffset + lineNumber.length();
} else {
highlightStartOffset = entireLen + matcher.start(myFileRegister);
highlightEndOffset = highlightStartOffset + filePath.length();
}
final HyperlinkInfo info = createOpenFileHyperlink(filePath, line, column);
// don't return a result if the filename cannot be resolved to a file
return info != null ? new Result(highlightStartOffset, highlightEndOffset, info) : null;
}
protected HyperlinkInfo createOpenFileHyperlink(String fileName, final int line, int column) {
if ((fileName == null || fileName.length() == 0)) {
if (myBase != null) {
fileName = myBase.getPresentableUrl();
} else {
return null;
}
}
fileName = fileName.replace(File.separatorChar, '/');
VirtualFile file;
// try to interpret the filename as URL
if (URLUtil.containsScheme(fileName)) {
try {
file = VfsUtil.findFileByURL(new URL(fileName));
} catch (MalformedURLException e) {
file = VirtualFileManager.getInstance().findFileByUrl(VfsUtil.pathToUrl(fileName));
}
} else {
file = VfsUtil.findRelativeFile(fileName, myBase);
}
if (file == null) {
//noinspection ConstantConditions
return null;
}
final FileType fileType = file.getFileType();
if (fileType != null && column > 0) {
final Document document = FileDocumentManager.getInstance().getDocument(file);
final int start = document.getLineStartOffset(line);
final int max = document.getLineEndOffset(line);
final int tabSize = CodeStyleSettingsManager.getInstance(myProject).getCurrentSettings().getTabSize(fileType);
column = EditorUtil.calcColumnNumber(null, document.getCharsSequence(), start, Math.min(start + column, max), tabSize);
}
return new OpenFileHyperlinkInfo(myProject, file, line, column);
}
public static String[] getMacrosName() {
return new String[] {FILE_PATH_MACROS, LINE_MACROS, COLUMN_MACROS};
}
}