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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.jasper.compiler;
import java.net.MalformedURLException;
import java.net.URL;
import org.apache.jasper.JspCompilationContext;
/**
* Mark represents a point in the JSP input.
*/
public final class Mark {
// position within current stream
int cursor, line, col;
// current stream
char[] stream = null;
// name of the current file
private String fileName;
private JspCompilationContext ctxt;
/**
* Constructor
*
* @param reader JspReader this mark belongs to
* @param inStream current stream for this mark
* @param name JSP file name
*/
Mark(JspReader reader, char[] inStream, String name) {
this.ctxt = reader.getJspCompilationContext();
this.stream = inStream;
this.cursor = 0;
this.line = 1;
this.col = 1;
this.fileName = name;
}
/**
* Constructor
*/
Mark(Mark other) {
init(other, false);
}
void update(int cursor, int line, int col) {
this.cursor = cursor;
this.line = line;
this.col = col;
}
void init(Mark other, boolean singleFile) {
this.cursor = other.cursor;
this.line = other.line;
this.col = other.col;
if (!singleFile) {
this.ctxt = other.ctxt;
this.stream = other.stream;
this.fileName = other.fileName;
}
}
/**
* Constructor
*/
Mark(JspCompilationContext ctxt, String filename, int line, int col) {
this.ctxt = ctxt;
this.stream = null;
this.cursor = 0;
this.line = line;
this.col = col;
this.fileName = filename;
}
public int getLineNumber() {
return line;
}
public int getColumnNumber() {
return col;
}
@Override
public String toString() {
return getFile() + "(" + line + "," + col + ")";
}
public String getFile() {
return this.fileName;
}
/**
* Gets the URL of the resource with which this Mark is associated
*
* @return URL of the resource with which this Mark is associated
*
* @exception MalformedURLException if the resource pathname is incorrect
*/
public URL getURL() throws MalformedURLException {
return ctxt.getResource(getFile());
}
@Override
public boolean equals(Object other) {
if (other instanceof Mark) {
Mark m = (Mark) other;
return this.cursor == m.cursor && this.line == m.line && this.col == m.col;
}
return false;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + col;
result = prime * result + cursor;
result = prime * result + line;
return result;
}
}
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