Diff: NextTrainFile.h

Revision:

0:1e951aba6a7e

Child:

1:f89f955130c7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/NextTrainFile.h	Tue Nov 16 16:38:02 2010 +0000
@@ -0,0 +1,79 @@
+///////////////////////////////////////////////////////////////////////////////
+// NextTrainFile: NextTrain file parser   by rinos 2010
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef __NEXTTRAIN_FILE_H__
+#define __NEXTTRAIN_FILE_H__
+
+#include "mbed.h"
+
+class NextTrainFile {
+	// defines /////////////////////////////////////////////////////////////////
+public:
+	enum LINE_TYPE {
+		LINE_COMMENT,
+		LINE_TITLE,
+		LINE_TIME,
+		LINE_WEEK,
+		LINE_OPTION
+	};
+	
+	static const int HOUR_DIV		= 3;	// Last Train AM 03:00
+	
+	static const int MAX_TITLE		= 80;
+	static const int MAX_OPTION		= 80;
+	
+	static const int MAX_OPTIONID	= 52;	// A-Za-z
+	static const int MAX_OPTBUF		= 256;	// m_index (unsigned char) range
+
+	struct NextInfo {
+		char  m_title [MAX_TITLE];
+		char  m_option[MAX_OPTION];
+		unsigned int   m_hour;
+		unsigned int   m_min;
+		signed   int   m_diff;
+		
+		NextInfo() : m_hour(0), m_min(0), m_diff(0) {
+			m_title[0]  = 0;
+			m_option[0] = 0;
+		}
+	};
+
+	// error code
+	typedef enum {
+		S_SUCCESS,
+		S_OPEN_ERROR,
+		S_ALREADY_OPEN,
+		S_OPTION_OVERFLOW,
+
+		S_NO_TRAIN,
+		S_INVALID_OPTION_ID,
+	} Status;
+
+	// internal member/method //////////////////////////////////////////////////
+private:
+	FILE*    m_fp;
+	NextInfo m_ni;
+	bool     m_shortopt;
+
+	unsigned char m_index [MAX_OPTIONID];
+	char          m_optbuf[MAX_OPTBUF];
+	
+	// Invalid method
+protected:
+	NextTrainFile(const NextTrainFile& v) {}
+	const NextTrainFile& operator =(const NextTrainFile& v) { return v; }
+
+	//
+public:
+	NextTrainFile(const char* ntFile = 0);
+	~NextTrainFile();
+
+	Status open(const char* ntFile);
+	Status close();
+	void   use_shortopt(bool f) { m_shortopt = f; }
+	Status search(time_t dt = 0, int offset = 0);
+	const NextInfo* next() const { return &m_ni; }
+};
+
+#endif