intermediate: NMEA0183A AIS to N2K

lib/aisparser/default_sentence_parser.h

@@ -0,0 +1,40 @@
+
+#ifndef TOOLKIT_AIS_DEFAULT_PARSER_H
+#define TOOLKIT_AIS_DEFAULT_PARSER_H
+
+
+#include "ais_decoder.h"
+
+
+
+namespace AIS
+{
+    /**
+     Default Sentence Parser
+     
+     This implementation will scan past META data that start and end with a '\'.  It will also stop at NMEA CRC.
+     The META data footer and header are calculated based on the start and the end of the NMEA string in each sentence.
+     
+     */
+    class DefaultSentenceParser     : public SentenceParser
+    {
+     public:
+        /// called to find NMEA start (scan past any headers, META data, etc.; returns NMEA payload)
+        virtual StringRef onScanForNmea(const StringRef &_strSentence) const override;
+
+        /// calc header string from original line and extracted NMEA payload
+        virtual StringRef getHeader(const StringRef &_strLine, const StringRef &_strNmea) const override;
+        
+        /// calc footer string from original line and extracted NMEA payload
+        virtual StringRef getFooter(const StringRef &_strLine, const StringRef &_strNmea) const override;
+        
+        /// extracts the timestamp from the meta info
+        virtual uint64_t getTimestamp(const AIS::StringRef &_strHeader, const AIS::StringRef &_strFooter) const override;
+
+    };
+    
+    
+};  // namespace AIS
+
+
+#endif        // #ifndef TOOLKIT_AIS_DEFAULT_PARSER_H