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engines/glk/quest/reserved_words.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/>.
+ *
+ */
+
+#ifndef GLK_QUEST_RESERVED_WORDS
+#define GLK_QUEST_RESERVED_WORDS
+
+#include "glk/quest/string.h"
+#include "common/hashmap.h"
+#include "common/stream.h"
+
+namespace Glk {
+namespace Quest {
+
+class reserved_words {
+private:
+	StringBoolMap _data;
+
+public:
+	/**
+	 * Constructor
+	 */
+	reserved_words(const char *c, ...) {
+		va_list ap;
+		va_start(ap, c);
+
+		while (c != nullptr) {
+			_data[String(c)] = true;
+			c = va_arg(ap, const char *);
+		}
+		va_end(ap);
+	}
+
+	/**
+	 * Returns true if the passed string is a reserved word
+	 */
+	bool operator[](const String &s) const {
+		return has(s);
+	}
+
+	/**
+	 * Returns true if the passed string is a reserved word
+	 */
+	bool has(const String &s) const {
+		return _data.contains(s) && _data[s];
+	}
+
+	/**
+	 * Dumps the list of reserved words to the passed output stream
+	 */
+	void dump(Common::WriteStream &o) const {
+		o.writeString("RW {");
+
+		for (StringBoolMap::iterator i = _data.begin(); i != _data.end(); ++i) {
+			if (i != _data.begin())
+				o.writeString(", ");
+			o.writeString((*i)._key);
+		}
+
+		o.writeString("}");
+	}
+};
+
+} // End of namespace Quest
+} // End of namespace Glk
+
+#endif