Initial commit

engines/ags/shared/util/text_stream_writer.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 3 of the License, or
+ * (at your option) 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "ags/shared/core/platform.h"
+#include "ags/shared/util/text_stream_writer.h"
+#include "ags/shared/util/stream.h"
+
+namespace AGS3 {
+namespace AGS {
+namespace Shared {
+
+// TODO: perhaps let configure line break character per TextWriter object?
+#if AGS_PLATFORM_OS_WINDOWS
+static const char Endl[2] = { '\r', '\n' };
+#else
+static const char Endl[1] = { '\n' };
+#endif
+
+
+TextStreamWriter::TextStreamWriter(Stream *stream)
+	: _stream(stream) {
+}
+
+TextStreamWriter::~TextStreamWriter() {
+	// TODO use shared ptr
+	delete _stream;
+}
+
+bool TextStreamWriter::IsValid() const {
+	return _stream && _stream->CanWrite();
+}
+
+const Stream *TextStreamWriter::GetStream() const {
+	return _stream;
+}
+
+void TextStreamWriter::ReleaseStream() {
+	_stream = nullptr;
+}
+
+bool TextStreamWriter::EOS() const {
+	return _stream->EOS();
+}
+
+void TextStreamWriter::WriteChar(char c) {
+	_stream->WriteByte(c);
+}
+
+void TextStreamWriter::WriteString(const String &str) {
+	_stream->Write(str.GetCStr(), str.GetLength());
+}
+
+void TextStreamWriter::WriteLine(const String &str) {
+	// TODO: perhaps let configure line break character?
+	_stream->Write(str.GetCStr(), str.GetLength());
+	_stream->Write(Endl, sizeof(Endl));
+}
+
+void TextStreamWriter::WriteFormat(const char *fmt, ...) {
+	va_list argptr;
+	va_start(argptr, fmt);
+	_buf.FormatV(fmt, argptr);
+	va_end(argptr);
+	_stream->Write(_buf.GetCStr(), _buf.GetLength());
+}
+
+void TextStreamWriter::WriteLineBreak() {
+	_stream->Write(Endl, sizeof(Endl));
+}
+
+} // namespace Shared
+} // namespace AGS
+} // namespace AGS3