1 files changed, 63 insertions, 0 deletions
diff --git a/src/sdp/sdp_parse_ctrl.h b/src/sdp/sdp_parse_ctrl.h
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+++ b/src/sdp/sdp_parse_ctrl.h
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+/*
+    Copyright (C) 2005-2009  Michel de Boer <michel@twinklephone.com>
+
+    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 2 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, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+// Parser control
+
+#ifndef _SDP_PARSE_CTRL_H
+#define _SDP_PARSE_CTRL_H
+
+#include "sdp.h"
+#include "threads/mutex.h"
+
+#define SDP		t_sdp_parser::sdp
+
+#define CTX_INITIAL	(t_sdp_parser::context = t_sdp_parser::X_INITIAL)
+#define CTX_SAFE	(t_sdp_parser::context = t_sdp_parser::X_SAFE)
+#define CTX_NUM		(t_sdp_parser::context = t_sdp_parser::X_NUM)
+#define CTX_LINE	(t_sdp_parser::context = t_sdp_parser::X_LINE)
+
+// The t_sdp_parser controls the direction of the scanner/parser
+// process and it stores the results from the parser.
+class t_sdp_parser {
+private:
+	/** Mutex to synchronize parse operations */
+	static t_mutex	mtx_parser;
+public:
+enum t_context {
+	X_INITIAL,	// Initial context
+	X_SAFE,		// Safe context
+	X_NUM,		// Number context
+	X_LINE,		// Whole line context
+};
+
+	static t_context	context;   // Scan context
+	static t_sdp		*sdp;      // SDP that has been parsed
+
+	// Parse string s. Throw int exception when parsing fails.
+	static t_sdp *parse(const string &s);
+
+};
+
+// Error that can be thrown as exception
+class t_sdp_syntax_error {
+public:
+	string error;
+	t_sdp_syntax_error(const string &e);
+};
+
+#endif