2018-01-06 18:32:25 +01:00
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#pragma region Copyright (c) 2014-2017 OpenRCT2 Developers
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/*****************************************************************************
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* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
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*
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* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
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* For more information, visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* A full copy of the GNU General Public License can be found in licence.txt
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*****************************************************************************/
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#pragma endregion
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#include "../core/Util.hpp"
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#include "ConversionTables.h"
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#include "Localisation.h"
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sint32 rct2_to_utf8(utf8 *dst, const char *src)
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{
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2018-02-07 00:29:23 +01:00
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wchar_t codepoint;
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2018-01-06 18:32:25 +01:00
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utf8 *start = dst;
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const char *ch = src;
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while (*ch != 0) {
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if (*ch == (char)(uint8)0xFF) {
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ch++;
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// Read wide char
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uint8 a = *ch++;
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uint8 b = *ch++;
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codepoint = (a << 8) | b;
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} else {
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codepoint = (uint8)(*ch++);
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codepoint = encoding_convert_rct2_to_unicode(codepoint);
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}
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dst = utf8_write_codepoint(dst, codepoint);
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}
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dst = utf8_write_codepoint(dst, 0);
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return (sint32)(dst - start);
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}
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sint32 utf8_to_rct2(char *dst, const utf8 *src)
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{
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char *start = dst;
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const utf8 *ch = src;
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sint32 codepoint;
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while ((codepoint = utf8_get_next(ch, &ch)) != 0) {
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codepoint = encoding_convert_unicode_to_rct2(codepoint);
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if (codepoint < 256) {
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*dst++ = (char)codepoint;
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} else if (codepoint <= 0xFFFF) {
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*dst++ = (char)(uint8)0xFF;
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*dst++ = (codepoint >> 8) & 0xFF;
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*dst++ = codepoint & 0xFF;
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}
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}
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*dst++ = 0;
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return (sint32)(dst - start);
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}
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static sint32 encoding_search_compare(const void *pKey, const void *pEntry)
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{
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uint16 key = *((uint16*)pKey);
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encoding_convert_entry *entry = (encoding_convert_entry*)pEntry;
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if (key < entry->code) return -1;
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if (key > entry->code) return 1;
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return 0;
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}
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static wchar_t encoding_convert_x_to_unicode(wchar_t code, const encoding_convert_entry *table, size_t count)
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{
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encoding_convert_entry * entry = (encoding_convert_entry *)bsearch(&code, table, count, sizeof(encoding_convert_entry), encoding_search_compare);
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2018-01-07 21:43:07 +01:00
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if (entry == nullptr) return code;
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2018-01-06 18:32:25 +01:00
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else return entry->unicode;
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}
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2018-01-23 22:05:55 +01:00
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uint32 encoding_convert_unicode_to_rct2(uint32 unicode)
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2018-01-06 18:32:25 +01:00
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{
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// Can't do a binary search as it's sorted by RCT2 code, not unicode
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for (uint32 i = 0; i < Util::CountOf(RCT2ToUnicodeTable); i++) {
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if (RCT2ToUnicodeTable[i].unicode == unicode) return RCT2ToUnicodeTable[i].code;
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}
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return unicode;
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}
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wchar_t encoding_convert_rct2_to_unicode(wchar_t rct2str)
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{
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return encoding_convert_x_to_unicode(rct2str, RCT2ToUnicodeTable, Util::CountOf(RCT2ToUnicodeTable));
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}
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wchar_t encoding_convert_gb2312_to_unicode(wchar_t gb2312)
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{
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return encoding_convert_x_to_unicode(gb2312 - 0x8080, GB2312ToUnicodeTable, Util::CountOf(GB2312ToUnicodeTable));
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}
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wchar_t encoding_convert_big5_to_unicode(wchar_t big5)
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{
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return encoding_convert_x_to_unicode(big5, Big5ToUnicodeTable, Util::CountOf(Big5ToUnicodeTable));
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}
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wchar_t encoding_convert_cp932_to_unicode(wchar_t cp932)
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{
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return encoding_convert_x_to_unicode(cp932, CP932ToUnicodeTable, Util::CountOf(CP932ToUnicodeTable));
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}
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wchar_t encoding_convert_cp949_to_unicode(wchar_t cp949)
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{
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return encoding_convert_x_to_unicode(cp949, CP949ToUnicodeTable, Util::CountOf(CP949ToUnicodeTable));
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}
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