#include <utilstr.h>
#include <ctype.h>
#include <string.h>

#include <localemgr.h>


#ifdef _ICU_
#include <unicode/utypes.h>
#include <unicode/ucnv.h>
#include <unicode/ustring.h>
#include <unicode/uchar.h>

#include <unicode/unistr.h>
#include <unicode/translit.h>

#endif

SWORD_NAMESPACE_START

const unsigned char SW_toupper_array[256] =
        {
                0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
                0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
                0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
                0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
                0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
                0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
                0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
                0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
                0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
                0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
                0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
                0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
                0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
                0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
                0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
                0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
                0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
                0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
                0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
                0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
                0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
                0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
                0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
                0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
                0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
                0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
                0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
                0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
                0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
                0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xf7,
                0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xff
        };



/******************************************************************************
 * stdstr - clones a string
 *
 * ENT:	ipstr	- pointer to a string pointer to set if necessary
 *	istr	- string to set to *ipstr
 *			0 - only get
 *
 * RET:	*ipstr
 */

char *stdstr(char **ipstr, const char *istr, unsigned int memPadFactor) {
	if (istr) {
		if (*ipstr)
			delete [] *ipstr;
		int len = strlen(istr) + 1;
		*ipstr = new char [ len * memPadFactor ];
		memcpy(*ipstr, istr, len);
	}
	return *ipstr;
}


/******************************************************************************
 * strstrip - Removes leading and trailing spaces from a string
 *
 * ENT:	istr	- string pointer to strip
 *
 * RET:	*istr
 */

char *strstrip(char *istr) {
	char *tmp = istr;
	char *rtmp;

	int len = strlen(istr);
	if (len < 1)
		return istr;
	rtmp = istr + (len - 1);
	
	while ((rtmp > istr)&&((*rtmp == ' ')||(*rtmp == '\t')||(*rtmp == 10)||(*rtmp == 13))) *(rtmp--) = 0;
	while ((*tmp == ' ')||(*tmp == '\t')||(*tmp == 10)||(*tmp == 13)) tmp++;
	memmove(istr, tmp, (rtmp - tmp) + 1);
	istr[(rtmp - tmp) + 1] = 0;

	return istr;
}


/******************************************************************************
 * stristr - Scans a string for the occurrence of a given substring, no case
 *
 * ENT:	scans s1 for the first occurrence of the substring s2, ingnoring case
 *
 * RET:	a pointer to the element in s1, where s2 begins (points to s2 in s1).
 *			If s2 does not occur in s1, returns null.
 */

const char *stristr(const char *s1, const char *s2) {
	int tLen = strlen(s2);
	int cLen = strlen(s1);
	char *target = new char [ tLen + 1 ];
	int i, j;
	const char *retVal = 0;

	strcpy(target, s2);
	for (i = 0; i < tLen; i++)
		target[i] = SW_toupper(target[i]);

	for (i = 0; i < (cLen - tLen)+1; i++) {
		if (SW_toupper(s1[i]) == (unsigned char)*target) {
			for (j = 1; j < tLen; j++) {
				if (SW_toupper(s1[i+j]) != (unsigned char)target[j])
					break;
			}
			if (j == tLen) {
				retVal = s1+i;
				break;
			}
		}
	}
	delete [] target;
	return retVal;
}

/******************************************************************************
 * strnicmp - compares the first n bytes of 2 strings ignoring case
 *
 * ENT:	compares s1 to s2 comparing the first n byte ingnoring case
 *
 * RET:	same as strcmp
 */

int strnicmp(const char *s1, const char *s2, int len) {
	int tLen = strlen(s2);
	int cLen = strlen(s1);
	char diff;
	int i;
	for (i = 0; ((i < len) && (i < tLen) && (i < cLen)); i++) {
		if ((diff = SW_toupper(*s1) - SW_toupper(*s2)))
			return diff;
	s1++;
	s2++;
	}
	return (i < len) ? cLen - tLen : 0;
}

int stricmp(const char *s1, const char *s2) {
#if defined(__GNUC__)
	return ::strcasecmp(s1, s2);
#else
 #if defined(_WIN32_WCE)
	return ::_stricmp(s1, s2);
 #else
	return ::stricmp(s1, s2);
 #endif
#endif
}

/******************************************************************************
 * toupperstr - converts a string to uppercase string
 *
 * ENT:	target - string to convert
 *
 * RET:	target
 */

// char *toupperstr(char *buf) {
// 	char *ret = buf;
// 
// 	/*if (StringHelper::getSystemStringHelper()) {
// 		StringHelper::getSystemStringHelper()->upperStringLatin1( ret );
// 	}
// 	else*/ {
// 		while (*buf) {
// 			*buf++ = SW_toupper(*buf);
// 		}
// // 	}
// 	return ret;
// }


/******************************************************************************
 * toupperstr - converts a string to uppercase string
 *
 * ENT:	target - string to convert
 *
 * RET:	target
 */

// char *toupperstr_utf8(char *buf, unsigned int max) {
// 	char *ret = buf;
// 
// /*	if (StringHelper::getSystemStringHelper()) {
// 		StringHelper::getSystemStringHelper()->upperStringUtf8( ret );
// 		return ret;
// 	}*/
// 	
// #ifndef _ICU_
// 	// try to decide if it's worth trying to toupper.  Do we have more
// 	// characters that are probably lower latin than not?
// 	long performOp = 0;
// 	for (const char *ch = buf; *ch; ch++)
// 		performOp += (*ch > 0) ? 1 : -1;
// 
// 	if (performOp > 0) {
// 		while (*buf)
// 			*buf = SW_toupper(*buf++);
// 	}
// #else
// 	if (!max)
// 		max = strlen(ret);
// 	UErrorCode err = U_ZERO_ERROR;
// 	UConverter *conv = ucnv_open("UTF-8", &err);
// 	UnicodeString str(buf, -1, conv, err);
// 	UnicodeString ustr = str.toUpper();
// 	ustr.extract(ret, max, conv, err);
// 	ucnv_close(conv);
// #endif
// 
// 	return ret;
// }

SWORD_NAMESPACE_END
