1 files changed, 62 insertions, 0 deletions
diff --git a/indra/llmessage/llmessagetemplateparser.h b/indra/llmessage/llmessagetemplateparser.h
new file mode 100644
index 0000000000..0fba42bc41
--- /dev/null
+++ b/indra/llmessage/llmessagetemplateparser.h
@@ -0,0 +1,62 @@
+/** 
+ * @file llmessagetemplateparser.h
+ * @brief Classes to parse message template.
+ *
+ * Copyright (c) 2000-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#ifndef LL_MESSAGETEMPLATEPARSER_H
+#define LL_MESSAGETEMPLATEPARSER_H
+
+#include <string>
+#include "llmessagetemplate.h"
+
+class LLTemplateTokenizer
+{
+public:
+	LLTemplateTokenizer(const std::string & contents);
+
+	U32 line() const;
+	bool atEOF() const;
+	std::string next();
+
+	bool want(const std::string & token);
+	bool wantEOF();
+private:
+	void inc();
+	void dec();
+	std::string get() const;
+	void error(std::string message = "generic") const;
+
+	struct positioned_token
+	{
+		std::string str;
+		U32 line;
+	};
+	
+	bool mStarted;
+	std::list<positioned_token> mTokens;
+	std::list<positioned_token>::const_iterator mCurrent;
+};
+
+class LLTemplateParser
+{
+public:
+	typedef std::list<LLMessageTemplate *>::const_iterator message_iterator;
+	
+	static LLMessageTemplate * parseMessage(LLTemplateTokenizer & tokens);
+	static LLMessageBlock * parseBlock(LLTemplateTokenizer & tokens);
+	static LLMessageVariable * parseVariable(LLTemplateTokenizer & tokens);
+
+	LLTemplateParser(LLTemplateTokenizer & tokens);
+	message_iterator getMessagesBegin() const;
+	message_iterator getMessagesEnd() const;
+	F32 getVersion() const;
+	
+private:
+	F32 mVersion;
+	std::list<LLMessageTemplate *> mMessages;
+};
+
+#endif