diff options
Diffstat (limited to 'src/libs/3rdparty/winpty/src/shared/StringUtil.h')
-rw-r--r-- | src/libs/3rdparty/winpty/src/shared/StringUtil.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/libs/3rdparty/winpty/src/shared/StringUtil.h b/src/libs/3rdparty/winpty/src/shared/StringUtil.h new file mode 100644 index 0000000000..e4bf3c9121 --- /dev/null +++ b/src/libs/3rdparty/winpty/src/shared/StringUtil.h @@ -0,0 +1,80 @@ +// Copyright (c) 2015 Ryan Prichard +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to +// deal in the Software without restriction, including without limitation the +// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +// sell copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS +// IN THE SOFTWARE. + +#ifndef WINPTY_SHARED_STRING_UTIL_H +#define WINPTY_SHARED_STRING_UTIL_H + +#include <stdlib.h> +#include <string.h> +#include <wchar.h> + +#include <algorithm> +#include <string> +#include <vector> + +#include "WinptyAssert.h" + +size_t winpty_wcsnlen(const wchar_t *s, size_t maxlen); +std::string utf8FromWide(const std::wstring &input); + +// Return a vector containing each character in the string. +template <typename T> +std::vector<T> vectorFromString(const std::basic_string<T> &str) { + return std::vector<T>(str.begin(), str.end()); +} + +// Return a vector containing each character in the string, followed by a +// NUL terminator. +template <typename T> +std::vector<T> vectorWithNulFromString(const std::basic_string<T> &str) { + std::vector<T> ret; + ret.reserve(str.size() + 1); + ret.insert(ret.begin(), str.begin(), str.end()); + ret.push_back('\0'); + return ret; +} + +// A safer(?) version of wcsncpy that is accepted by MSVC's /SDL mode. +template <size_t N> +wchar_t *winpty_wcsncpy(wchar_t (&d)[N], const wchar_t *s) { + ASSERT(s != nullptr); + size_t i = 0; + for (; i < N; ++i) { + if (s[i] == L'\0') { + break; + } + d[i] = s[i]; + } + for (; i < N; ++i) { + d[i] = L'\0'; + } + return d; +} + +// Like wcsncpy, but ensure that the destination buffer is NUL-terminated. +template <size_t N> +wchar_t *winpty_wcsncpy_nul(wchar_t (&d)[N], const wchar_t *s) { + static_assert(N > 0, "array cannot be 0-size"); + winpty_wcsncpy(d, s); + d[N - 1] = L'\0'; + return d; +} + +#endif // WINPTY_SHARED_STRING_UTIL_H |