#ifndef RIPPLE_STRINGUTILITIES_H
#define RIPPLE_STRINGUTILITIES_H

/** String utility functions.
*/

//------------------------------------------------------------------------------

// Ripple specific constant used for parsing qualities and other things
//
#define QUALITY_ONE			1000000000	// 10e9

//------------------------------------------------------------------------------

// Terminal output color codes
#define vt_f_black          "\033[30m"
#define vt_f_red            "\033[31m"
#define vt_f_green          "\033[32m"
#define vt_f_yellow         "\033[33m"
#define vt_f_blue           "\033[34m"
#define vt_f_megenta        "\033[35m"
#define vt_f_cyan           "\033[36m"
#define vt_f_white          "\033[37m"
#define vt_f_default        "\033[39m"

#define vt_b_black          "\033[40m"
#define vt_b_red            "\033[41m"
#define vt_b_green          "\033[42m"
#define vt_b_yellow         "\033[43m"
#define vt_b_blue           "\033[44m"
#define vt_b_megenta        "\033[45m"
#define vt_b_cyan           "\033[46m"
#define vt_b_white          "\033[47m"
#define vt_b_default        "\033[49m"

#define vt_f_bold_black    "\033[1m\033[30m"
#define vt_f_bold_red      "\033[1m\033[31m"
#define vt_f_bold_green    "\033[1m\033[32m"
#define vt_f_bold_yellow   "\033[1m\033[33m"
#define vt_f_bold_blue     "\033[1m\033[34m"
#define vt_f_bold_megenta  "\033[1m\033[35m"
#define vt_f_bold_cyan     "\033[1m\033[36m"
#define vt_f_bold_white    "\033[1m\033[37m"
#define vt_f_bold_default  "\033[1m\033[39m"

#define vt_bold             "\033[1m"
#define vt_dim              "\033[2m"     // does not work for xterm
#define vt_normal           "\033[22m"    // intensity

#define vt_n_enable         "\033[7m"     // negative
#define vt_n_disable        "\033[27m"

#define vt_u_single         "\033[4m"     // underline
#define vt_u_double         "\033[21m"    // does not work for xterm
#define vt_u_disable        "\033[24m"

#define vt_reset    vt_f_default vt_b_default vt_normal vt_n_disable vt_u_disable

//------------------------------------------------------------------------------

extern std::string strprintf(const char* format, ...);

extern std::string urlEncode(const std::string& strSrc);

template<class Iterator>
std::string strJoin(Iterator first, Iterator last, std::string strSeperator)
{
	std::ostringstream	ossValues;

	for (Iterator start = first; first != last; first++)
	{
		ossValues << str(boost::format("%s%s") % (start == first ? "" : strSeperator) % *first);
	}

	return ossValues.str();
}

char charHex(int iDigit);

template<class Iterator>
std::string strHex(Iterator first, int iSize)
{
	std::string		strDst;

	strDst.resize(iSize*2);

	for (int i = 0; i < iSize; i++) {
		unsigned char c	= *first++;

		strDst[i*2]		= charHex(c >> 4);
		strDst[i*2+1]	= charHex(c & 15);
	}

	return strDst;
}

inline const std::string strHex(const std::string& strSrc)
{
	return strHex(strSrc.begin(), strSrc.size());
}

inline std::string strHex(Blob const& vucData)
{
	return strHex(vucData.begin(), vucData.size());
}

inline std::string strHex(const uint64 uiHost)
{
	uint64_t	uBig	= htobe64(uiHost);

	return strHex((unsigned char*) &uBig, sizeof(uBig));
}

inline static std::string sqlEscape(const std::string& strSrc)
{
	static boost::format f("X'%s'");
	return str(boost::format(f) % strHex(strSrc));
}

inline static std::string sqlEscape(Blob const& vecSrc)
{
	size_t size = vecSrc.size();
	if (size == 0)
		return "X''";

	std::string j(size * 2 + 3, 0);

	unsigned char *oPtr = reinterpret_cast<unsigned char *>(&*j.begin());
	const unsigned char *iPtr = &vecSrc[0];

	*oPtr++ = 'X';
	*oPtr++ = '\'';

	for (int i = size; i != 0; --i)
	{
		unsigned char c = *iPtr++;
		*oPtr++ = charHex(c >> 4);
		*oPtr++ = charHex(c & 15);
	}

	*oPtr++ = '\'';
	return j;
}

template<class Iterator>
bool isZero(Iterator first, int iSize)
{
	while (iSize && !*first++)
		--iSize;

	return !iSize;
}

int charUnHex(char cDigit);
int strUnHex(std::string& strDst, const std::string& strSrc);

uint64_t uintFromHex(const std::string& strSrc);

Blob strUnHex(const std::string& strSrc);

Blob strCopy(const std::string& strSrc);
std::string strCopy(Blob const& vucSrc);

bool parseIpPort(const std::string& strSource, std::string& strIP, int& iPort);
bool parseQuality(const std::string& strSource, uint32& uQuality);

inline std::string strGetEnv(const std::string& strKey)
{
	return getenv(strKey.c_str()) ? getenv(strKey.c_str()) : "";
}

template<typename T> T lexical_cast_s(const std::string& string)
{ // lexically cast a string to the selected type. Does not throw
	try
	{
		return boost::lexical_cast<T>(string);
	}
	catch (...)
	{
		return 0;
	}
}

template<typename T> std::string lexical_cast_i(const T& t)
{ // lexicaly cast the selected type to a string. Does not throw
	try
	{
		return boost::lexical_cast<std::string>(t);
	}
	catch (...)
	{
		return "";
	}
}

template<typename T> T lexical_cast_st(const std::string& string)
{ // lexically cast a string to the selected type. Does throw
	return boost::lexical_cast<T>(string);
}

template<typename T> std::string lexical_cast_it(const T& t)
{ // lexicaly cast the selected type to a string. Does not throw
	return boost::lexical_cast<std::string>(t);
}

bool parseUrl(const std::string& strUrl, std::string& strScheme, std::string& strDomain, int& iPort, std::string& strPath);

#endif

// vim:ts=4