mirror of
https://github.com/edubart/otclient.git
synced 2025-04-29 09:19:19 +02:00
279 lines
7.6 KiB
C++
279 lines
7.6 KiB
C++
/*
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* Copyright (c) 2010-2020 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "string.h"
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#include "format.h"
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#include <boost/algorithm/string.hpp>
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#include <cctype>
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#include <physfs.h>
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#ifdef _MSC_VER
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#pragma warning(disable:4267) // '?' : conversion from 'A' to 'B', possible loss of data
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#endif
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namespace stdext {
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std::string resolve_path(const std::string& filePath, std::string sourcePath)
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{
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if(stdext::starts_with(filePath, "/"))
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return filePath;
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if(!stdext::ends_with(sourcePath, "/")) {
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std::size_t slashPos = sourcePath.find_last_of("/");
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if(slashPos == std::string::npos)
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throw_exception(format("invalid source path '%s', for file '%s'", sourcePath, filePath));
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sourcePath = sourcePath.substr(0, slashPos + 1);
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}
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return sourcePath + filePath;
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}
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std::string date_time_string(const char* format/* = "%b %d %Y %H:%M:%S"*/)
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{
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char date[100];
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std::time_t tnow;
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std::time(&tnow);
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std::tm* ts = std::localtime(&tnow);
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std::strftime(date, 100, format, ts);
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return std::string(date);
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}
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std::string dec_to_hex(uint64_t num)
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{
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std::ostringstream o;
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o << std::hex << num;
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return o.str();
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}
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uint64_t hex_to_dec(const std::string& str)
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{
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uint64_t num;
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std::istringstream i(str);
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i >> std::hex >> num;
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return num;
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}
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bool is_valid_utf8(const std::string& src)
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{
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const unsigned char* bytes = (const unsigned char*)src.c_str();
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while(*bytes) {
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if( (// ASCII
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// use bytes[0] <= 0x7F to allow ASCII control characters
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bytes[0] == 0x09 ||
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bytes[0] == 0x0A ||
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bytes[0] == 0x0D ||
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(0x20 <= bytes[0] && bytes[0] <= 0x7E)
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)
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) {
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bytes += 1;
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continue;
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}
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if( (// non-overlong 2-byte
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(0xC2 <= bytes[0] && bytes[0] <= 0xDF) &&
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(0x80 <= bytes[1] && bytes[1] <= 0xBF)
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)
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) {
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bytes += 2;
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continue;
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}
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if( (// excluding overlongs
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bytes[0] == 0xE0 &&
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(0xA0 <= bytes[1] && bytes[1] <= 0xBF) &&
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(0x80 <= bytes[2] && bytes[2] <= 0xBF)
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) ||
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(// straight 3-byte
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((0xE1 <= bytes[0] && bytes[0] <= 0xEC) ||
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bytes[0] == 0xEE ||
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bytes[0] == 0xEF) &&
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(0x80 <= bytes[1] && bytes[1] <= 0xBF) &&
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(0x80 <= bytes[2] && bytes[2] <= 0xBF)
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) ||
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(// excluding surrogates
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bytes[0] == 0xED &&
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(0x80 <= bytes[1] && bytes[1] <= 0x9F) &&
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(0x80 <= bytes[2] && bytes[2] <= 0xBF)
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)
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) {
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bytes += 3;
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continue;
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}
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if( (// planes 1-3
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bytes[0] == 0xF0 &&
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(0x90 <= bytes[1] && bytes[1] <= 0xBF) &&
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(0x80 <= bytes[2] && bytes[2] <= 0xBF) &&
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(0x80 <= bytes[3] && bytes[3] <= 0xBF)
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) ||
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(// planes 4-15
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(0xF1 <= bytes[0] && bytes[0] <= 0xF3) &&
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(0x80 <= bytes[1] && bytes[1] <= 0xBF) &&
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(0x80 <= bytes[2] && bytes[2] <= 0xBF) &&
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(0x80 <= bytes[3] && bytes[3] <= 0xBF)
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) ||
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(// plane 16
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bytes[0] == 0xF4 &&
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(0x80 <= bytes[1] && bytes[1] <= 0x8F) &&
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(0x80 <= bytes[2] && bytes[2] <= 0xBF) &&
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(0x80 <= bytes[3] && bytes[3] <= 0xBF)
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)
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) {
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bytes += 4;
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continue;
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}
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return false;
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}
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return true;
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}
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std::string utf8_to_latin1(const std::string& src)
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{
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std::string out;
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for(uint i = 0; i < src.length();) {
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uchar c = src[i++];
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if((c >= 32 && c < 128) || c == 0x0d || c == 0x0a || c == 0x09)
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out += c;
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else if(c == 0xc2 || c == 0xc3) {
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uchar c2 = src[i++];
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if(c == 0xc2) {
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if(c2 > 0xa1 && c2 < 0xbb)
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out += c2;
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} else if(c == 0xc3)
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out += 64 + c2;
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} else if(c >= 0xc4 && c <= 0xdf)
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i += 1;
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else if(c >= 0xe0 && c <= 0xed)
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i += 2;
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else if(c >= 0xf0 && c <= 0xf4)
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i += 3;
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}
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return out;
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}
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std::string latin1_to_utf8(const std::string& src)
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{
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std::string out;
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for(uchar c : src) {
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if((c >= 32 && c < 128) || c == 0x0d || c == 0x0a || c == 0x09)
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out += c;
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else {
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out += 0xc2 + (c > 0xbf);
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out += 0x80 + (c & 0x3f);
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}
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}
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return out;
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}
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#ifdef WIN32
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#include <winsock2.h>
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#include <windows.h>
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std::wstring utf8_to_utf16(const std::string& src)
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{
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std::wstring res;
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wchar_t out[4096];
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if(MultiByteToWideChar(CP_UTF8, 0, src.c_str(), -1, out, 4096))
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res = out;
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return res;
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}
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std::string utf16_to_utf8(const std::wstring& src)
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{
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std::string res;
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char out[4096];
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if(WideCharToMultiByte(CP_UTF8, 0, src.c_str(), -1, out, 4096, NULL, NULL))
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res = out;
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return res;
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}
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std::wstring latin1_to_utf16(const std::string& src)
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{
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return utf8_to_utf16(latin1_to_utf8(src));
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}
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std::string utf16_to_latin1(const std::wstring& src)
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{
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return utf8_to_latin1(utf16_to_utf8(src));
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}
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#endif
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void tolower(std::string& str)
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{
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std::transform(str.begin(), str.end(), str.begin(), lochar);
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}
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void toupper(std::string& str)
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{
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std::transform(str.begin(), str.end(), str.begin(), upchar);
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}
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void trim(std::string& str)
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{
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boost::trim(str);
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}
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char upchar(char c)
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{
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if((c >= 97 && c <= 122) || (uchar)c >= 224)
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c -= 32;
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return c;
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}
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char lochar(char c)
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{
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if((c >= 65 && c <= 90) || ((uchar)c >= 192 && (uchar)c <= 223))
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c += 32;
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return c;
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}
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void ucwords(std::string& str)
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{
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uint32 strLen = str.length();
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if(strLen == 0)
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return;
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str[0] = upchar(str[0]);
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for(uint32 i = 1; i < strLen; ++i) {
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if(str[i - 1] == ' ')
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str[i] = upchar(str[i]);
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}
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}
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bool ends_with(const std::string& str, const std::string& test)
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{
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return boost::ends_with(str, test);
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}
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bool starts_with(const std::string& str, const std::string& test)
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{
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return boost::starts_with(str, test);
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}
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void replace_all(std::string& str, const std::string& search, const std::string& replacement)
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{
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return boost::replace_all(str, search, replacement);
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}
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std::vector<std::string> split(const std::string& str, const std::string& separators)
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{
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std::vector<std::string> splitted;
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boost::split(splitted, str, boost::is_any_of(separators));
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return splitted;
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}
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}
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