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engines/ags/shared/util/text_writer.h

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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/>.
+ *
+ */
+
+//=============================================================================
+//
+// Specialized interface for writing plain text to the underlying source
+//
+//=============================================================================
+
+#ifndef AGS_SHARED_UTIL_TEXT_WRITER_H
+#define AGS_SHARED_UTIL_TEXT_WRITER_H
+
+#include "ags/shared/util/string.h"
+
+namespace AGS3 {
+namespace AGS {
+namespace Shared {
+
+class TextWriter {
+public:
+	virtual ~TextWriter() {}
+
+	virtual bool    IsValid() const = 0;
+
+	// Write single character
+	virtual void    WriteChar(char c) = 0;
+	// Write string as a plain text (without null-terminator)
+	virtual void    WriteString(const String &str) = 0;
+	// Write string and add line break at the end
+	virtual void    WriteLine(const String &str) = 0;
+	// Write formatted string (see *printf)
+	virtual void    WriteFormat(const char *fmt, ...) = 0;
+	virtual void    WriteLineBreak() = 0;
+};
+
+} // namespace Shared
+} // namespace AGS
+} // namespace AGS3
+
+#endif