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-rw-r--r--kjsembed/builtins/textstream_imp.cpp134
1 files changed, 134 insertions, 0 deletions
diff --git a/kjsembed/builtins/textstream_imp.cpp b/kjsembed/builtins/textstream_imp.cpp
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+++ b/kjsembed/builtins/textstream_imp.cpp
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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: