package com.multysite.quercus;
import java.io.Reader;
import java.io.Serializable;
import java.io.StringReader;
import java.io.Writer;
import javax.script.AbstractScriptEngine;
import javax.script.Bindings;
import javax.script.Compilable;
import javax.script.CompiledScript;
import javax.script.ScriptContext;
import javax.script.ScriptException;
import javax.script.SimpleBindings;
import com.caucho.quercus.QuercusContext;
import com.caucho.quercus.QuercusExitException;
import com.caucho.quercus.env.Env;
import com.caucho.quercus.env.Value;
import com.caucho.quercus.page.InterpretedPage;
import com.caucho.quercus.page.QuercusPage;
import com.caucho.quercus.parser.QuercusParser;
import com.caucho.quercus.program.QuercusProgram;
import com.caucho.vfs.NullWriteStream;
import com.caucho.vfs.ReadStream;
import com.caucho.vfs.ReaderStream;
import com.caucho.vfs.ReaderWriterStream;
import com.caucho.vfs.WriteStream;
/**
* Script engine
*/
@SuppressWarnings("serial")
public class MondayScriptingEngine extends AbstractScriptEngine implements
Compilable, Serializable {
private MondayScriptingFactory _factory;
private final MondayScriptingContext _quercus;
MondayScriptingEngine(MondayScriptingFactory factory) {
this(factory, createContext());
}
public MondayScriptingEngine(MondayScriptingFactory factory,
MondayScriptingContext quercus) {
_factory = factory;
_quercus = quercus;
}
private static MondayScriptingContext createContext() {
MondayScriptingContext context = new MondayScriptingContext();
context.setUnicodeSemantics(true);
context.init();
context.start();
return context;
}
/**
* Returns the Quercus object. php/214h
*/
public QuercusContext getQuercus() {
return _quercus;
}
/**
* run based on a reader.
*/
public Object run(String script) throws ScriptException {
Env env = null;
ScriptContext cxt = this.getContext();
try {
ReadStream reader = com.caucho.vfs.StringReader.open(script);
reader.setEncoding("utf-8");
QuercusProgram program = QuercusParser
.parse(_quercus, null, reader);
Writer writer = cxt.getWriter();
WriteStream out;
if (writer != null) {
ReaderWriterStream s = new ReaderWriterStream(null, writer);
WriteStream os = new WriteStream(s);
os.setNewlineString("\n");
try {
os.setEncoding("utf-8");
} catch (Exception e) {
e.printStackTrace();
}
out = os;
} else {
out = new NullWriteStream();
System.out.println("NullWriteStream");
}
QuercusPage page = new InterpretedPage(program);
env = new Env(_quercus, page, out, null, null);
env.setScriptContext(cxt);
// php/214c
env.start();
Object result = null;
try {
Value value = program.execute(env);
if (value != null)
result = value.toJavaObject();
} catch (QuercusExitException e) {
e.printStackTrace();
}
out.flushBuffer();
out.free();
// flush buffer just in case
//
// jrunscript in interactive mode does not automatically flush its
// buffers after every input, so output to stdout will not be seen
// until the output buffer is full
//
// http://bugs.caucho.com/view.php?id=1914
writer.flush();
return result;
/*
* } catch (ScriptException e) { throw e;
*/
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new ScriptException(e);
} catch (Throwable e) {
throw new RuntimeException(e);
} finally {
if (env != null)
env.close();
}
}
/**
* evaluates based on a script.
*/
public Object eval(String script, ScriptContext cxt) throws ScriptException {
return eval(new StringReader(script), cxt);
}
/**
* evaluates based on a script.
*/
public MondayCompiledScript compile(String script) throws ScriptException {
try {
ReadStream reader = com.caucho.vfs.StringReader.open(script);
reader.setEncoding("utf-8");
QuercusProgram program = QuercusParser
.parse(_quercus, null, reader);
return new MondayCompiledScript(this, program);
} catch (Exception ex) {
ex.printStackTrace();
}
return null;
}
/**
* Returns the engine's factory.
*/
public MondayScriptingFactory getFactory() {
return _factory;
}
/**
* Creates a bindings.
*/
public Bindings createBindings() {
return new SimpleBindings();
}
public String toString() {
return "QuercusScriptEngine[]";
}
public CompiledScript compile(Reader script) throws ScriptException {
try {
ReadStream reader = ReaderStream.open(script);
QuercusProgram program = QuercusParser
.parse(_quercus, null, reader);
return new MondayCompiledScript(this, program);
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new ScriptException(e);
} catch (Throwable e) {
throw new RuntimeException(e);
}
}
@Override
public Object eval(Reader reader, ScriptContext context)
throws ScriptException {
// TODO Auto-generated method stub
return null;
}
}