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/**
Get_Class_Name.bsh - a BeanShell macro for the jEdit text editor replaces the
selected text with the current class name.
This macro walks though several steps in an attempt to guess the correct class
name.
First, it searches backwards for the nearest occurance of the keyword 'class,'
and check which class the target belongs to, so it works for inner class definitions.
If you run this macro at any point after an inner class definition but belongs to a
parent class, it will return the name of the parent class.
If that fails(out of any class boundary), it attempts to guess the class name from
the file name; i.e. it would return "FooBar" if the buffer was named "FooBar.cc."
If this fails (if, for example, the buffer is untitled), it returns an empty string.
Copyright (C) 2004 Thomas Galvin - software@thomas-galvin.com
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
void setCaret(int selectionStart, int selectionEnd)
{
textArea.setCaretPosition(selectionStart);
textArea.moveCaretPosition(selectionEnd);
}
String getClassName()
{
int selectionStart;
int selectionEnd;
if(textArea.getSelection().length != 0){ // if there are selections exists
selectionStart = textArea.getSelection(0).getStart();
selectionEnd = textArea.getSelection(0).getEnd();
}
else{ // if no selection
selectionStart = textArea.getCaretPosition();
selectionEnd = textArea.getCaretPosition();
}
String text = textArea.getText();
int index = text.lastIndexOf("class", selectionStart);
boolean flag = false;
// check which class the targetposition belongs to
if(index != -1)
{
flag = true;
index = selectionStart;
int tag = 0;
while(flag){
char check = text.charAt(index);
if(check == '}'){
tag++;
}
if(check == '{'){
tag--;
if(tag == -1){
index = text.lastIndexOf("class", index);
break;
}
}
index--;
// out of any classes' boundary
if(index == -1)
flag = false;
}
}
if(flag)
{
textArea.setCaretPosition(index);
int lineNumber = textArea.getCaretLine();
int lineEnd = textArea.getLineEndOffset(lineNumber);
String lineText = text.substring(index, lineEnd);
StringTokenizer tokenizer = new StringTokenizer(lineText);
tokenizer.nextToken(); //eat "class"
if(tokenizer.hasMoreTokens())
{
setCaret(selectionStart, selectionEnd);
return tokenizer.nextToken();
}
}
String fileClassName = buffer.getName();
int index = fileClassName.lastIndexOf('.');
if(index != -1)
{
fileClassName = fileClassName.substring(0, index);
if(fileClassName.toLowerCase().indexOf("untitled") == -1)
{
return fileClassName;
}
}
setCaret(selectionStart, selectionEnd);
String className = buffer.getName();
int index = className.lastIndexOf('.');
if(index != -1)
{
className = className.substring(0, index);
if(className.toLowerCase().indexOf("untitled") == -1)
{
return className;
}
}
return "";
}
String className = getClassName();
textArea.setSelectedText(className);
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