mirror of
https://github.com/keymanapp/keyman.git
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329 lines
7.7 KiB
C++
Executable file
329 lines
7.7 KiB
C++
Executable file
#include "u16.h"
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//#include <xstring.h>
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//#include <kmx_file.h>
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#include <codecvt>
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#include <locale>
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#include <stdarg.h>
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std::vector<std::u16string> convert_argv_to_Vector_u16str(int argc, char* argv[]) {
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std::vector<std::u16string> vector_u16;
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// for each arg convert to u16string and push to vector
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for (char** arg = argv, i=0; *arg; ++arg,i++) {
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std::string S(*arg);
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vector_u16.push_back(u16string_from_string(S));
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}
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return vector_u16;
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}
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std::vector<std::u16string> convert_argvW_to_Vector_u16str(int argc, wchar_t* argv[]) {
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std::vector<std::u16string> vector_u16;
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// for each arg convert to u16string and push to vector
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for (wchar_t** arg = argv, i=0; *arg; ++arg,i++) {
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std::wstring S(*arg);
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vector_u16.push_back(u16string_from_wstring(S));
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}
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return vector_u16;
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}
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//String <- wstring
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std::string string_from_wstring(std::wstring const str) {
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std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converter;
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return converter.to_bytes(str);
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}
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//wstring <- string
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std::wstring wstring_from_string(std::string const str) {
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std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> converter;
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return converter.from_bytes(str);
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}
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// u16String <- wstring
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std::u16string u16string_from_wstring(std::wstring const wstr) {
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std::string str= string_from_wstring(wstr);
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std::u16string str16 = u16string_from_string(str);
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return str16;
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}
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//u16String <- string
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std::u16string u16string_from_string(std::string const str) {
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std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> converter;
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return converter.from_bytes(str);
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}
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//string <- u16string
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std::string string_from_u16string(std::u16string const str) {
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std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> converter;
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return converter.to_bytes(str);
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}
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//wstring <- u16string
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std::wstring wstring_from_u16string(std::u16string const str16) {
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std::string str = string_from_u16string(str16);
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std::wstring wstr = wstring_from_string( str);
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return wstr;
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}
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// often used with c_str() e.g. u16fmt( DEBUGSTORE_MATCH).c_str()
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// UTF16 (= const char16_t*) -> UTF8 (= std::string) -> UTF16 ( = std::wstring 16 bit)
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std::wstring u16fmt(const KMX_WCHAR * str) {
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std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> convert_wstring;
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std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> convert;
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// UTF16 (= const char16_t*) -> UTF8 (= std::string) -> UTF16 ( = std::wstring 16 bit)
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std::string utf8str = convert.to_bytes(str); // UTF16 (= const char16_t*) -> UTF8 (= std::string)
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std::wstring wstr = convert_wstring.from_bytes(utf8str); // UTF8 (= std::string) -> UTF16 ( = std::wstring 16 bit)
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return wstr;
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}
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void u16sprintf(KMX_WCHAR * dst, const size_t sz, const wchar_t* fmt, ...) {
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// UTF16 (=const wchar_t*) -> -> std::string -> std::u16string -> UTF16 ( = char16_t*)
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wchar_t* wbuf = new wchar_t[sz];
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va_list args;
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va_start(args, fmt);
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vswprintf(wbuf, sz, fmt, args);
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va_end(args);
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std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> convert_wstring;
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std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t> convert;
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// UTF16 (=const wchar_t*) -> -> std::string -> std::u16string -> UTF16 ( = char16_t*)
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std::string utf8str = convert_wstring.to_bytes(wbuf); // UTF16 ( = const wchar_t*) -> std::string
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std::u16string u16str = convert.from_bytes(utf8str); // std::string -> std::u16string
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u16ncpy(dst, u16str.c_str(), sz); // std::u16string.c_str() -> char16_t*
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delete[] wbuf;
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}
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std::wstring convert_pchar16T_To_wstr(KMX_WCHAR *Name){
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// convert char16_t* -> std::u16string -> std::string -> std::wstring
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// char16_t* -> std::u16string
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std::u16string u16str(Name);
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// std::u16string -> std::string
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std::string stri = string_from_u16string(u16str);
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// std::string -> std::wstring
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std::wstring wstr = wstring_from_string(stri);
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return wstr;
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}
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long int u16tol(const KMX_WCHAR* str, KMX_WCHAR** endptr, int base)
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{
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auto s = string_from_u16string(str);
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char* t;
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long int result = strtol(s.c_str(), &t, base);
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if (endptr != nullptr) *endptr = (KMX_WCHAR*)str + (t - s.c_str());
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return result;
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}
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/*
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std::string toHex(int num1) {
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if (num1 == 0)
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return "0";
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int num = num1;
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std::string s = "";
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while (num) {
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int temp = num % 16;
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if (temp <= 9)
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s += (48 + temp);
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else
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s += (87 + temp);
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num = num / 16;
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}
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reverse(s.begin(), s.end());
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return s;
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}*/
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const KMX_WCHAR * u16ncat(KMX_WCHAR *dst, const KMX_WCHAR *src, size_t max) {
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KMX_WCHAR* o = dst;
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dst = (KMX_WCHAR*) u16chr(dst, 0);
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//max -= (dst-o);
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while (*src && max > 0) {
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*dst++ = *src++;
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max--;
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}
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if(max > 0)
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*dst = 0;
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return o;
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}
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const KMX_WCHAR* u16rchr_slash(KMX_WCHAR const* Name)
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{
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const KMX_WCHAR* cp = NULL;
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cp = u16rchr(Name, '\\');
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if (cp == NULL)
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cp = u16rchr(Name, '/');
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return cp;
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}
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/*
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KMX_CHAR* strrchr_slash(KMX_CHAR* Name)
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{
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KMX_CHAR* cp = NULL;
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cp = strrchr(Name, '\\');
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if (cp == NULL)
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cp = strrchr(Name, '/');
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return cp;
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}
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*/
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// u16rchr returns last occurence of ch in p; It returns NULL if ch = '\0' and NULL if ch is not found
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const KMX_WCHAR* u16rchr(const KMX_WCHAR* p, KMX_WCHAR ch) {
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const KMX_WCHAR* p_end = p + u16len(p) - 1;
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if (ch == '\0') return p_end + 1;
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while (p_end >= p) {
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if (*p_end == ch) return p_end;
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p_end--;
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}
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return NULL;
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}
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const KMX_WCHAR * u16chr(const KMX_WCHAR *p, KMX_WCHAR ch) {
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while (*p) {
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if (*p == ch) return p;
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p++;
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}
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return ch == 0 ? p : NULL;
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}
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const KMX_WCHAR * u16cpy(KMX_WCHAR *dst, const KMX_WCHAR *src) {
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KMX_WCHAR *o = dst;
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while (*src) {
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*dst++ = *src++;
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}
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*dst = 0;
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return o;
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}
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const KMX_WCHAR * u16ncpy(KMX_WCHAR *dst, const KMX_WCHAR *src, size_t max) {
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KMX_WCHAR *o = dst;
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while (*src && max > 0) {
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*dst++ = *src++;
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max--;
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}
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while(max > 0) {
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*dst++ = 0;
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max--;
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}
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return o;
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}
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size_t u16len(const KMX_WCHAR *p) {
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int i = 0;
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while (*p) {
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p++;
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i++;
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}
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return i;
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}
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int u16cmp(const KMX_WCHAR *p, const KMX_WCHAR *q) {
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while (*p && *q) {
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if (*p != *q) return *p - *q;
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p++;
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q++;
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}
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return *p - *q;
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}
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int u16nicmp(const KMX_WCHAR *p, const KMX_WCHAR *q, size_t count) {
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while (*p && *q && count) {
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if (toupper(*p) != toupper(*q)) return *p - *q;
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p++;
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q++;
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count--;
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}
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if (count)
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return *p - *q;
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return 0;
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}
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int u16icmp(const KMX_WCHAR *p, const KMX_WCHAR *q) {
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while (*p && *q) {
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if (toupper(*p) != toupper(*q)) return *p - *q;
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p++;
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q++;
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}
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return *p - *q;
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}
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int u16ncmp(const KMX_WCHAR *p, const KMX_WCHAR *q, size_t count) {
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while (*p && *q && count) {
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if (*p != *q) return *p - *q;
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p++;
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q++;
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count--;
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}
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if (count)
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return *p - *q;
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return 0;
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}
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KMX_WCHAR * u16tok(KMX_WCHAR *p, KMX_WCHAR ch, KMX_WCHAR **ctx) {
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if (!p) {
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p = *ctx;
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if (!p) return NULL;
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}
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KMX_WCHAR *q = p;
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while (*q && *q != ch) {
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q++;
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}
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if (*q) {
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*q = 0;
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q++;
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while (*q == ch) q++;
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*ctx = q;
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}
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else {
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*ctx = NULL;
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}
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return p;
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}
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KMX_WCHAR * u16tok(KMX_WCHAR* p, KMX_WCHAR* delim, KMX_WCHAR** ctx) {
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if (!p) {
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p = *ctx;
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if (!p) return NULL;
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}
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KMX_WCHAR * q = p;
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while (*q && !u16chr(delim, *q)) {
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q++;
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}
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if (*q) {
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*q = 0;
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q++;
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while (u16chr(delim, *q)) q++;
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*ctx = q;
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}
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else {
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*ctx = NULL;
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}
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return p;
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}
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double u16tof( KMX_WCHAR* str)
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{
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double val = 0;
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int offsetdot=0;
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char digit;
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PKMX_WCHAR q = (PKMX_WCHAR)u16chr(str, '.');
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size_t pos_dot = q-str ;
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if (pos_dot < 0)
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pos_dot = u16len(str);
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for (size_t i = 0; i < u16len(str); i++)
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{
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digit = static_cast<char>(towupper(*str));
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if (i > pos_dot - 1)
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offsetdot = 1;
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if (digit != '.')
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val =val+ ((int(digit)) - 48) * pow(10, (pos_dot - 1- i + offsetdot));
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str++;
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}
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return val;
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}
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