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131 lines
3.6 KiB
131 lines
3.6 KiB
/*
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* Copyright (C) 2003, Richard J. Moore <rich@kde.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <tqtextstream.h>
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#include <tqiodevice.h>
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#include <kjsembed/global.h>
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#include <kjsembed/jsbinding.h>
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#include "jsopaqueproxy.h"
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#include "textstream_imp.h"
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namespace KJSEmbed {
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namespace BuiltIns {
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TextStreamImp::TextStreamImp( KJS::ExecState *exec, int mid, TQTextStream *textstream )
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: JSProxyImp(exec), id(mid), ts(textstream)
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{
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}
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TextStreamImp::~TextStreamImp()
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{
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}
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void TextStreamImp::addBindings( KJS::ExecState *exec, KJS::Object &parent )
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{
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kdDebug() << "TextStreamImp::addBindings()" << endl;
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JSOpaqueProxy *op = JSProxy::toOpaqueProxy( parent.imp() );
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if ( !op ) {
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kdWarning() << "TextStreamImp::addBindings() failed, not a JSOpaqueProxy" << endl;
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return;
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}
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TQTextStream *ts = op->toTextStream();
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if ( !ts ) {
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kdWarning() << "TextStreamImp::addBindings() failed, type is " << op->typeName() << endl;
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return;
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}
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JSProxy::MethodTable methods[] = {
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{ MethodIsReadable, "isReadable" },
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{ MethodIsWritable, "isWritable" },
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{ MethodPrint, "print" },
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{ MethodPrintLn, "println" },
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{ MethodReadLine, "readLine" },
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{ MethodFlush, "flush" },
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{ 0, 0 }
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};
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int idx = 0;
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do {
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TextStreamImp *tsi = new TextStreamImp( exec, idx, ts );
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parent.put( exec , methods[idx].name, KJS::Object(tsi) );
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++idx;
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} while( methods[idx].id );
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}
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KJS::Value TextStreamImp::call( KJS::ExecState *exec, KJS::Object &/*self*/, const KJS::List &args )
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{
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TQString not_readable = i18n( "Attempt to read from a write-only text stream." );
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TQString not_writable = i18n( "Attempt to write to a read-only text stream." );
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TQString arg0 = extractTQString(exec, args, 0);
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TQIODevice *dev = ts->device();
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KJS::Object err;
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switch ( id ) {
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case MethodIsReadable:
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return KJS::Boolean( dev->isReadable() );
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break;
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case MethodIsWritable:
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return KJS::Boolean( dev->isWritable() );
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break;
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case MethodPrint:
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if ( !dev->isWritable() ) {
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return throwError(exec, not_writable.utf8());
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}
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(*ts) << arg0;
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break;
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case MethodPrintLn:
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if ( !dev->isWritable() ) {
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return throwError(exec, not_writable.utf8());
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}
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(*ts) << arg0 << endl;
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break;
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case MethodReadLine:
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if ( dev->isReadable() ) {
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TQString line = ts->readLine();
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if ( line.isNull() )
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return KJS::Null();
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else
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return KJS::String( line );
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}
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else {
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return throwError(exec, not_readable.utf8());
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}
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break;
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case MethodFlush:
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if ( !dev->isWritable() ) {
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return throwError(exec, not_writable.utf8());
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}
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(*ts) << flush;
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break;
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default:
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kdWarning() << "TextStreamImp has no method " << id << endl;
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break;
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}
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return KJS::Value();
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}
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} // namespace KJSEmbed::BuiltIns
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} // namespace KJSEmbed
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