mirror of
https://github.com/DarkStore-3DS/Universal-Core.git
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Pk11
115 lines
3.1 KiB
C++
115 lines
3.1 KiB
C++
/*
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* This file is part of Universal-Core
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* Copyright (C) 2021 Universal-Team
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*
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* This program 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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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Additional Terms 7.b and 7.c of GPLv3 apply to this file:
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* * Requiring preservation of specified reasonable legal notices or
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* author attributions in that material or in the Appropriate Legal
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* Notices displayed by works containing it.
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* * Prohibiting misrepresentation of the origin of that material,
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* or requiring that modified versions of such material be marked in
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* reasonable ways as different from the original version.
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*/
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#include "TextUtils.hpp"
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#include <string.h>
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/* Get first codepoint from a UTF-8 string. */
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char32_t TextUtils::GetCodepoint(const char *Str) {
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/* Return 0 if nullptr or empty string. */
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if (!Str || !*Str) return 0;
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size_t Len = strlen(Str);
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char32_t Codepoint = 0xFFFD;
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if (!(*Str & 0x80)) {
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Codepoint = *Str;
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} else if ((*Str & 0xE0) == 0xC0 && Len >= 2) {
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Codepoint = (*(Str++) & 0x1F) << 6;
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Codepoint |= *(Str++) & 0x3F;
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} else if ((*Str & 0xF0) == 0xE0 && Len >= 3) {
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Codepoint = (*(Str++) & 0x0F) << 12;
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Codepoint |= (*(Str++) & 0x3F) << 6;
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Codepoint |= *(Str++) & 0x3F;
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} else if ((*Str & 0xF8) == 0xF0 && Len >= 4) {
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Codepoint = (*(Str++) & 0x07) << 18;
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Codepoint |= (*(Str++) & 0x3F) << 12;
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Codepoint |= (*(Str++) & 0x3F) << 6;
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Codepoint |= *(Str++) & 0x3F;
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};
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return Codepoint;
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};
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/* Try to make the first given character have a dakuten. */
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std::string TextUtils::Dakutenify(std::string Str, bool Handakuten) {
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char32_t Char = GetCodepoint(Str.c_str());
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if (Char >= u'ァ' && Char <= u'ヶ') Char -= 0x60; // Katakana, convert to Hiragana
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int Change = 0;
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if (Handakuten) {
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for (const char16_t Item : Handakutenable) {
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if (Char == Item) {
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Change = 2;
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break;
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};
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};
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} else {
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if (Char == u'う') {
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Change = 0x4E;
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} else {
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for (const char16_t Item : Dakutenable) {
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if (Char == Item) {
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Change = 1;
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break;
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};
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};
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};
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};
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if (Change) {
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if ((Str[2] & 0x3F) + Change < 0x3F) {
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Str[2] += Change;
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} else {
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Str[2] = 0x80 | ((Str[2] + Change) & 0x3F);
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Str[1]++;
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};
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} else {
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int I = 1;
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while((Str[I] & 0xC0) == 0x80) I++;
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Str.insert(I, Handakuten ? "゜" : "゛");
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};
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return Str;
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};
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uint32_t TextUtils::StrToKey(const std::string &Str) {
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for (const auto &Key : KeyNames) {
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if (strcmp(Str.c_str(), Key.first) == 0) return Key.second;
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};
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return 0;
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};
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