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annotate dep/animone/src/util/win32.cc @ 347:a0aa8c8c4307

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dep/anitomy: port to use UCS-4 rather than wide strings rationale: wide strings are not the same on every platform, and might not even be Unicode. (while they usually are, its possible that they are not) I was *going* to change StringToInt to use a string stream, but outputting to an integer doesn't seem to work at all with UCS-4, even though it ought to, so I just rolled my own that uses the arabic digits only.
author Paper <paper@paper.us.eu.org>
date Sun, 23 Jun 2024 10:32:09 -0400
parents 74e2365326c6
children
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a4257370de16 dep/animone: prepare for v1.0 release; it should be ready by now
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1 /*
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2 * util/win32.cc: utility functions only useful on windows
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3 */
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4 #include "animone/util/win32.h"
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5
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6 #include <shlobj.h> /* SHGetKnownFolderPath */
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7 #include <subauth.h> /* UNICODE_STRING */
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8 #include <windows.h>
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9
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10 namespace animone::internal::win32 {
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11
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12 std::string ToUtf8String(const std::wstring& string) {
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13 if (string.empty())
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14 return std::string();
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15
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16 long size = ::WideCharToMultiByte(CP_UTF8, 0, string.c_str(), string.length(), nullptr, 0, nullptr, nullptr);
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17 std::string ret(size, '\0');
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18 ::WideCharToMultiByte(CP_UTF8, 0, string.c_str(), string.length(), &ret.front(), ret.length(), nullptr, nullptr);
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19 return ret;
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20 }
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21
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22 std::string ToUtf8String(const UNICODE_STRING& string) {
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23 const auto wctomb = [&string](LPSTR out, int size) -> int {
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24 return ::WideCharToMultiByte(CP_UTF8, 0, string.Buffer, string.Length, out, size, nullptr, nullptr);
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25 };
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26
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27 if (string.Length <= 0)
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28 return std::string();
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29
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30 long size = wctomb(nullptr, 0);
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31 std::string ret(size, '\0');
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32 wctomb(&ret.front(), ret.length());
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33 return ret;
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34 }
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35
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36 std::wstring ToWstring(const std::string& string) {
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37 const auto mbtowc = [&string](LPWSTR out, int size) -> int {
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38 return ::MultiByteToWideChar(CP_UTF8, 0, string.c_str(), string.length(), out, size);
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39 };
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40
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41 if (string.empty())
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42 return std::wstring();
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43
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44 long size = mbtowc(nullptr, 0);
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45 std::wstring ret(size, L'\0');
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46 mbtowc(&ret.front(), ret.length());
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47 return ret;
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48 }
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49
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50 } // namespace animone::internal::win32