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115 lines
2.9 KiB
C++
115 lines
2.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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//include <stdarg.h>
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//include <stdio.h> // sprintf
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#include "ags/shared/core/platform.h"
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#include "ags/shared/util/textstreamwriter.h"
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#include "ags/shared/util/stream.h"
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namespace AGS3 {
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namespace AGS {
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namespace Shared {
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#if AGS_PLATFORM_OS_WINDOWS
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static const char Endl[2] = { '\r', '\n' };
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#else
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static const char Endl[1] = { '\n' };
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#endif
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TextStreamWriter::TextStreamWriter(Stream *stream)
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: _stream(stream) {
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}
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TextStreamWriter::~TextStreamWriter() {
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// TODO use shared ptr
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delete _stream;
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}
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bool TextStreamWriter::IsValid() const {
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return _stream && _stream->CanWrite();
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}
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const Stream *TextStreamWriter::GetStream() const {
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return _stream;
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}
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void TextStreamWriter::ReleaseStream() {
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_stream = nullptr;
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}
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bool TextStreamWriter::EOS() const {
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return _stream ? _stream->EOS() : true;
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}
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void TextStreamWriter::WriteChar(char c) {
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if (_stream) {
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_stream->WriteByte(c);
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}
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}
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void TextStreamWriter::WriteString(const String &str) {
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if (_stream) {
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// TODO: replace line-feed characters in string with platform-specific line break
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_stream->Write(str.GetCStr(), str.GetLength());
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}
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}
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void TextStreamWriter::WriteLine(const String &str) {
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if (!_stream) {
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return;
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}
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// TODO: replace line-feed characters in string with platform-specific line break
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_stream->Write(str.GetCStr(), str.GetLength());
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_stream->Write(Endl, sizeof(Endl));
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}
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void TextStreamWriter::WriteFormat(const char *fmt, ...) {
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if (!_stream) {
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return;
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}
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// TODO: replace line-feed characters in format string with platform-specific line break
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va_list argptr;
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va_start(argptr, fmt);
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int need_length = vsnprintf(nullptr, 0, fmt, argptr);
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va_start(argptr, fmt); // Reset argptr
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char *buffer = new char[need_length + 1];
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vsprintf(buffer, fmt, argptr);
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va_end(argptr);
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_stream->Write(buffer, need_length);
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delete[] buffer;
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}
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void TextStreamWriter::WriteLineBreak() {
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if (_stream)
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_stream->Write(Endl, sizeof(Endl));
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}
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} // namespace Shared
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} // namespace AGS
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} // namespace AGS3
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