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/*
* Copyright (C) 2003, Richard J. Moore <rich@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <qtextstream.h>
#include <qiodevice.h>
#include <kjsembed/global.h>
#include <kjsembed/jsbinding.h>
#include "jsopaqueproxy.h"
#include "textstream_imp.h"
namespace KJSEmbed {
namespace BuiltIns {
TextStreamImp::TextStreamImp( KJS::ExecState *exec, int mid, QTextStream *textstream )
: JSProxyImp(exec), id(mid), ts(textstream)
{
}
TextStreamImp::~TextStreamImp()
{
}
void TextStreamImp::addBindings( KJS::ExecState *exec, KJS::Object &parent )
{
kdDebug() << "TextStreamImp::addBindings()" << endl;
JSOpaqueProxy *op = JSProxy::toOpaqueProxy( parent.imp() );
if ( !op ) {
kdWarning() << "TextStreamImp::addBindings() failed, not a JSOpaqueProxy" << endl;
return;
}
QTextStream *ts = op->toTextStream();
if ( !ts ) {
kdWarning() << "TextStreamImp::addBindings() failed, type is " << op->typeName() << endl;
return;
}
JSProxy::MethodTable methods[] = {
{ MethodIsReadable, "isReadable" },
{ MethodIsWritable, "isWritable" },
{ MethodPrint, "print" },
{ MethodPrintLn, "println" },
{ MethodReadLine, "readLine" },
{ MethodFlush, "flush" },
{ 0, 0 }
};
int idx = 0;
do {
TextStreamImp *tsi = new TextStreamImp( exec, idx, ts );
parent.put( exec , methods[idx].name, KJS::Object(tsi) );
++idx;
} while( methods[idx].id );
}
KJS::Value TextStreamImp::call( KJS::ExecState *exec, KJS::Object &/*self*/, const KJS::List &args )
{
QString not_readable = i18n( "Attempt to read from a write-only text stream." );
QString not_writable = i18n( "Attempt to write to a read-only text stream." );
QString arg0 = extractQString(exec, args, 0);
QIODevice *dev = ts->device();
KJS::Object err;
switch ( id ) {
case MethodIsReadable:
return KJS::Boolean( dev->isReadable() );
break;
case MethodIsWritable:
return KJS::Boolean( dev->isWritable() );
break;
case MethodPrint:
if ( !dev->isWritable() ) {
return throwError(exec, not_writable.utf8());
}
(*ts) << arg0;
break;
case MethodPrintLn:
if ( !dev->isWritable() ) {
return throwError(exec, not_writable.utf8());
}
(*ts) << arg0 << endl;
break;
case MethodReadLine:
if ( dev->isReadable() ) {
QString line = ts->readLine();
if ( line.isNull() )
return KJS::Null();
else
return KJS::String( line );
}
else {
return throwError(exec, not_readable.utf8());
}
break;
case MethodFlush:
if ( !dev->isWritable() ) {
return throwError(exec, not_writable.utf8());
}
(*ts) << flush;
break;
default:
kdWarning() << "TextStreamImp has no method " << id << endl;
break;
}
return KJS::Value();
}
} // namespace KJSEmbed::BuiltIns
} // namespace KJSEmbed
// Local Variables:
// c-basic-offset: 4
// End:
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