Simon Rozman
35eb472e6b
wchar_t is not char16_t on MSVC, requiring a lot of typecasting when interfacing ZRCola database strings with GUI. Signed-off-by: Simon Rozman <simon@rozman.si>
85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
/*
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SPDX-License-Identifier: GPL-3.0-or-later
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Copyright © 2015-2022 Amebis
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*/
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#include "pch.h"
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const ZRCola::langid_t ZRCola::langid_t::blank = {};
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_Use_decl_annotations_
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int ZRCola::CompareString(const char_t* str_a, size_t count_a, const char_t* str_b, size_t count_b)
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{
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for (size_t i = 0; ; i++) {
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if (i >= count_a && i >= count_b) return 0;
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else if (i >= count_a && i < count_b) return -1;
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else if (i < count_a && i >= count_b) return +1;
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else if (str_a[i] < str_b[i]) return -1;
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else if (str_a[i] > str_b[i]) return +1;
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}
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}
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_Use_decl_annotations_
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inline std::string ZRCola::GetUnicodeDumpA(const char_t* str, size_t count, const char* sep)
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{
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std::string out;
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size_t sep_len = strlen(sep);
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size_t dump_len_max = sep_len + 4 + 1;
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char* dump;
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std::unique_ptr<char[]> dump_obj(dump = new char[dump_len_max]);
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if (count && str[0]) {
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size_t i = 0;
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static const char error[] = "????";
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int n = snprintf(dump, dump_len_max, "%04X", str[i++]);
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if (n >= 0)
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out.insert(out.end(), dump, dump + n);
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else
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out.insert(out.end(), error, error + std::size(error) - 1);
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while (i < count && str[i]) {
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n = snprintf(dump, dump_len_max, "%s%04X", sep, str[i++]);
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if (n >= 0)
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out.insert(out.end(), dump, dump + n);
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else {
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out.insert(out.end(), sep, sep + sep_len);
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out.insert(out.end(), error, error + std::size(error) - 1);
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}
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}
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}
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return out;
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}
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_Use_decl_annotations_
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std::wstring ZRCola::GetUnicodeDumpW(const char_t* str, size_t count, const wchar_t* sep)
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{
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std::wstring out;
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size_t sep_len = ::wcslen(sep);
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size_t dump_len_max = sep_len + 4 + 1;
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wchar_t* dump;
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std::unique_ptr<wchar_t[]> dump_obj(dump = new wchar_t[dump_len_max]);
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if (count && str[0]) {
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size_t i = 0;
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static const wchar_t error[] = L"????";
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int n = swprintf(dump, dump_len_max, L"%04X", str[i++]);
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if (n >= 0)
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out.insert(out.end(), dump, dump + n);
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else
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out.insert(out.end(), error, error + std::size(error) - 1);
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while (i < count && str[i]) {
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n = swprintf(dump, dump_len_max, L"%s%04X", sep, str[i++]);
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if (n >= 0)
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out.insert(out.end(), dump, dump + n);
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else {
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out.insert(out.end(), sep, sep + sep_len);
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out.insert(out.end(), error, error + std::size(error) - 1);
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}
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}
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}
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return out;
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}
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