/*************************************************************************
* (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
*  by Michael Pounov <misho@openbsd-bg.org>
*
* $Author: misho $
* $Id: aitio.h,v 1.2 2010/03/09 09:26:27 misho Exp $
*
*************************************************************************/
#ifndef __AITIO_H
#define __AITIO_H


typedef struct _tagURLItem {
	int	vallen;
	char	*value;
} url_Item_t;

struct tagIOURL {
	unsigned char	url_line[BUFSIZ];

	url_Item_t	url_tech;
	url_Item_t	url_user;
	url_Item_t	url_pass;
	url_Item_t	url_host;
	url_Item_t	url_port;
	url_Item_t	url_path;
	url_Item_t	url_args;

	char		*url_reserved;
};

// io_GetErrno() Get error code of last operation
inline int io_GetErrno();
// io_GetError() Get error text of last operation
inline const char *io_GetError();


/*
 * ioPromptRead() Read data from input h[0] with prompt to output h[1]
 * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout
 * @csPrompt = Prompt before input, may be NULL
 * @psData = Readed data
 * @dataLen = Length of data
 * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars
*/
int ioPromptRead(int *h, const char *csPrompt, char * __restrict psData, int dataLen);
/*
 * ioPromptPassword() Read password from input h[0] with prompt to output h[1]
 * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout
 * @csPrompt = Prompt before input, may be NULL
 * @psPass = Readed password
 * @passLen = Length of password
 * @confirm = Confirm password, 0 - get password, !=0 Ask for confirmation
 * return: 0 EOF; -1 error:: can`t read; >0 count of readed chars
*/
int ioPromptPassword(int *h, const char *csPrompt, char * __restrict psPass, int passLen, int confirm);

/*
 * ioRegexVerify() Function for verify data match in regex expression
 * @csRegex = Regulare expression pattern
 * @csData = Data for check and verify
 * @startPos = Return start positions
 * @endPos = Return end positions
 * return: NULL not match or error; !=NULL begin of matched data
*/
const char *ioRegexVerify(const char *csRegex, const char *csData, int *startPos, int *endPos);
/*
 * ioRegexGet() Function for get data match in regex expression
 * @csRegex = Regulare expression pattern
 * @csData = Data from get
 * @psString = Returned string if match
 * @strLen = Length of string
 * return: 0 not match; >0 count of returned chars
*/
int ioRegexGet(const char *csRegex, const char *csData, char * __restrict psString, int strLen);
/*
 * ioRegexReplace() Function for replace data match in regex expression with newdata
 * @csRegex = Regulare expression pattern
 * @csData = Source data
 * @csNew = Data for replace
 * return: NULL not match or error; !=NULL allocated new string, must be free after use!
*/
char *ioRegexReplace(const char *csRegex, const char *csData, const char *csNew);

/*
 * io_Path2File() Parse and make path/filename pair
 * @csArgs = Input argument line
 * @psPath = Output Path, if ==NULL path not returned
 * @pathLen = Size of path array
 * @psFile = Output File
 * @fileLen = Size of file array
 * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
*/
inline int io_Path2File(const char * __restrict csArgs, char * __restrict psPath, int pathLen, 
		char * __restrict psFile, int fileLen);
/*
 * io_MakeAV() Parse and make attribute/value pair
 * @csArgs = Input argument line
 * @csDelim = Delimiter for separate
 * @psAttr = Output Attribute
 * @attrLen = Size of attribute array
 * @psValue = Output Value, if ==NULL this element not present value or not wanted for return
 * @valLen = Size of value array
 * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
*/
inline int io_MakeAV(const char * __restrict csArgs, const char *csDelim, 
		char * __restrict psAttr, int attrLen, char * __restrict psValue, int valLen);
/*
 * io_SizeArray() Parse and calculate size of array
 * @csArgs = Input arguments line
 * @csDelim = Delimiter(s) for separate
 * return: 0 error format; -1 error:: can`t read; >0 ok, number of items
*/
inline int io_SizeArray(const char *csArgs, const char *csDelim);
/*
 * io_MakeArray() Parse and make array of arguments values
 * @psArgs = Input arguments line
 * @csDelim = Delimiter(s) for separate
 * @args = Output array of arguments ... (must be free() after procced function!)
 * @nargs = Requested count of arguments
 * return: 0 error format; -1 error:: can`t read; >0 ok, number of readed items
*/
inline int io_MakeArray(char * __restrict psArgs, const char *csDelim, 
		char *** __restrict args, int nargs);

/*
 * ioURLGet() Parse and get data from input URL
 * @csURL = Input URL line
 * @url = Output parsed URL
 * return: 0 error format not find tech:// and return URL like path; 
 		-1 error:: can`t read; >0 ok, up bits for known elements
*/
int ioURLGet(const char *csURL, struct tagIOURL *url);
/*
 * ioURLGetValue() Get value from parsed URL
 * @url = Input parsed URL
 * @csAttr = Attribute for search
 * @psValue = Return value of attribute, if ==NULL only check for existence of attribute
 * @valLen = Size of psValue array
 * return: 0 error attribute not find; -1 error:: can`t read; >0 ok, find at position
*/
int ioURLGetValue(struct tagIOURL *url, const char *csAttr, char * __restrict psValue, int valLen);
/*
 * ioURLGetFile() Get file from parsed URL
 * @url = Input parsed URL
 * @psValue = Return filename, if not specified file in url path, replace with /
 * @valLen = Size of psValue array
 * return: -1 error:: can`t read; 0 ok
*/
int ioURLGetFile(struct tagIOURL *url, char * __restrict psValue, int valLen);


#endif