/jEdit/tags/jedit-4-5-pre1/org/gjt/sp/jedit/ActionListHandler.java
Java | 197 lines | 128 code | 26 blank | 43 comment | 23 complexity | d04350caa1ac90b57d41777eb67f8dfd MD5 | raw file
Possible License(s): BSD-3-Clause, AGPL-1.0, Apache-2.0, LGPL-2.0, LGPL-3.0, GPL-2.0, CC-BY-SA-3.0, LGPL-2.1, GPL-3.0, MPL-2.0-no-copyleft-exception, IPL-1.0
- /*
- * ActionListHandler.java - XML handler for action files
- * :tabSize=8:indentSize=8:noTabs=false:
- * :folding=explicit:collapseFolds=1:
- *
- * Copyright (C) 2000, 2001 Slava Pestov
- * Portions copyright (C) 1999 mike dillon
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
- package org.gjt.sp.jedit;
- //{{{ Imports
- import java.util.Stack;
- import org.xml.sax.Attributes;
- import org.xml.sax.InputSource;
- import org.xml.sax.helpers.DefaultHandler;
- import org.gjt.sp.util.Log;
- import org.gjt.sp.util.XMLUtilities;
- //}}}
- /**
- * This class loads the actions.xml files into a {@link JEditActionSet}. * @author Slava Pestov
- * @author Mike Dillon
- */
- class ActionListHandler extends DefaultHandler
- {
- //{{{ ActionListHandler constructor
- ActionListHandler(String path, JEditActionSet actionSet)
- {
- this.path = path;
- this.actionSet = actionSet;
- stateStack = new Stack<String>();
- code = new StringBuilder();
- isSelected = new StringBuilder();
- } //}}}
- //{{{ resolveEntity() method
- @Override
- public InputSource resolveEntity(String publicId, String systemId)
- {
- return XMLUtilities.findEntity(systemId, "actions.dtd", getClass());
- } //}}}
- //{{{ attribute() method
- public void attribute(String aname, String value, boolean isSpecified)
- {
- aname = (aname == null) ? null : aname.intern();
- value = (value == null) ? null : value.intern();
- if(aname == "NAME")
- actionName = value;
- else if(aname == "NO_REPEAT")
- noRepeat = (value == "TRUE");
- else if(aname == "NO_RECORD")
- noRecord = (value == "TRUE");
- else if(aname == "NO_REMEMBER_LAST")
- noRememberLast = (value == "TRUE");
- } //}}}
- //{{{ characters() method
- @Override
- public void characters(char[] c, int off, int len)
- {
- String tag = peekElement();
- if (tag.equals("CODE"))
- {
- code.append(c, off, len);
- }
- else if (tag.equals("IS_SELECTED"))
- {
- isSelected.append(c, off, len);
- }
- } //}}}
- //{{{ startElement() method
- @Override
- public void startElement(String uri, String localName,
- String qName, Attributes attrs)
- {
- String tag = pushElement(qName);
- if (tag.equals("ACTION"))
- {
- actionName = attrs.getValue("NAME");
- noRepeat = "TRUE".equals(attrs.getValue("NO_REPEAT"));
- noRecord = "TRUE".equals(attrs.getValue("NO_RECORD"));
- noRememberLast = "TRUE".equals(attrs.getValue("NO_REMEMBER_LAST"));
- code.setLength(0);
- isSelected.setLength(0);
- }
- } //}}}
- //{{{ endElement() method
- @Override
- public void endElement(String uri, String localName, String qName)
- {
- String tag = peekElement();
- if (qName.equals(tag))
- {
- if (tag.equals("ACTION"))
- {
- String selected = (isSelected.length() > 0) ?
- isSelected.toString() : null;
- JEditAbstractEditAction action =
- actionSet.createBeanShellAction(actionName,
- code.toString(),
- selected,
- noRepeat,
- noRecord,
- noRememberLast);
- actionSet.addAction(action);
- noRepeat = noRecord = noRememberLast = false;
- code.setLength(0);
- isSelected.setLength(0);
- }
- popElement();
- }
- else
- {
- // can't happen
- throw new InternalError();
- }
- } //}}}
- //{{{ startDocument() method
- @Override
- public void startDocument()
- {
- try
- {
- pushElement(null);
- }
- catch (Exception e)
- {
- Log.log(Log.ERROR,this, e);
- }
- } //}}}
- //{{{ Private members
- //{{{ Instance variables
- private String path;
- private JEditActionSet actionSet;
- private String actionName;
- private final StringBuilder code;
- private final StringBuilder isSelected;
- private boolean noRepeat;
- private boolean noRecord;
- private boolean noRememberLast;
- private final Stack<String> stateStack;
- //}}}
- //{{{ pushElement() method
- private String pushElement(String name)
- {
- name = (name == null) ? null : name.intern();
- stateStack.push(name);
- return name;
- } //}}}
- //{{{ peekElement() method
- private String peekElement()
- {
- return stateStack.peek();
- } //}}}
- //{{{ popElement() method
- private String popElement()
- {
- return stateStack.pop();
- } //}}}
- //}}}
- }