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author | qrort <qrort@yandex-team.com> | 2022-11-30 23:47:12 +0300 |
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committer | qrort <qrort@yandex-team.com> | 2022-11-30 23:47:12 +0300 |
commit | 22f8ae0e3f5d68b92aecccdf96c1d841a0334311 (patch) | |
tree | bffa27765faf54126ad44bcafa89fadecb7a73d7 /contrib/libs/flatbuffers/src/util.cpp | |
parent | 332b99e2173f0425444abb759eebcb2fafaa9209 (diff) | |
download | ydb-22f8ae0e3f5d68b92aecccdf96c1d841a0334311.tar.gz |
validate canons without yatest_common
Diffstat (limited to 'contrib/libs/flatbuffers/src/util.cpp')
-rw-r--r-- | contrib/libs/flatbuffers/src/util.cpp | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/contrib/libs/flatbuffers/src/util.cpp b/contrib/libs/flatbuffers/src/util.cpp new file mode 100644 index 00000000000..3670a019395 --- /dev/null +++ b/contrib/libs/flatbuffers/src/util.cpp @@ -0,0 +1,287 @@ +/* + * Copyright 2016 Google Inc. All rights reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// clang-format off +// Dont't remove `format off`, it prevent reordering of win-includes. + +#if defined(__MINGW32__) || defined(__MINGW64__) || defined(__CYGWIN__) || \ + defined(__QNXNTO__) +# define _POSIX_C_SOURCE 200809L +# define _XOPEN_SOURCE 700L +#endif + +#ifdef _WIN32 +# ifndef WIN32_LEAN_AND_MEAN +# define WIN32_LEAN_AND_MEAN +# endif +# ifndef NOMINMAX +# define NOMINMAX +# endif +# ifdef _MSC_VER +# include <crtdbg.h> +# endif +# include <windows.h> // Must be included before <direct.h> +# include <direct.h> +# include <winbase.h> +# undef interface // This is also important because of reasons +#endif +// clang-format on + +#include "flatbuffers/base.h" +#include "flatbuffers/util.h" + +#include <sys/stat.h> +#include <clocale> +#include <cstdlib> +#include <fstream> + +namespace flatbuffers { + +bool FileExistsRaw(const char *name) { + std::ifstream ifs(name); + return ifs.good(); +} + +bool LoadFileRaw(const char *name, bool binary, std::string *buf) { + if (DirExists(name)) return false; + std::ifstream ifs(name, binary ? std::ifstream::binary : std::ifstream::in); + if (!ifs.is_open()) return false; + if (binary) { + // The fastest way to read a file into a string. + ifs.seekg(0, std::ios::end); + auto size = ifs.tellg(); + (*buf).resize(static_cast<size_t>(size)); + ifs.seekg(0, std::ios::beg); + ifs.read(&(*buf)[0], (*buf).size()); + } else { + // This is slower, but works correctly on all platforms for text files. + std::ostringstream oss; + oss << ifs.rdbuf(); + *buf = oss.str(); + } + return !ifs.bad(); +} + +static LoadFileFunction g_load_file_function = LoadFileRaw; +static FileExistsFunction g_file_exists_function = FileExistsRaw; + +bool LoadFile(const char *name, bool binary, std::string *buf) { + FLATBUFFERS_ASSERT(g_load_file_function); + return g_load_file_function(name, binary, buf); +} + +bool FileExists(const char *name) { + FLATBUFFERS_ASSERT(g_file_exists_function); + return g_file_exists_function(name); +} + +bool DirExists(const char *name) { + // clang-format off + + #ifdef _WIN32 + #define flatbuffers_stat _stat + #define FLATBUFFERS_S_IFDIR _S_IFDIR + #else + #define flatbuffers_stat stat + #define FLATBUFFERS_S_IFDIR S_IFDIR + #endif + // clang-format on + struct flatbuffers_stat file_info; + if (flatbuffers_stat(name, &file_info) != 0) return false; + return (file_info.st_mode & FLATBUFFERS_S_IFDIR) != 0; +} + +LoadFileFunction SetLoadFileFunction(LoadFileFunction load_file_function) { + LoadFileFunction previous_function = g_load_file_function; + g_load_file_function = load_file_function ? load_file_function : LoadFileRaw; + return previous_function; +} + +FileExistsFunction SetFileExistsFunction( + FileExistsFunction file_exists_function) { + FileExistsFunction previous_function = g_file_exists_function; + g_file_exists_function = + file_exists_function ? file_exists_function : FileExistsRaw; + return previous_function; +} + +bool SaveFile(const char *name, const char *buf, size_t len, bool binary) { + std::ofstream ofs(name, binary ? std::ofstream::binary : std::ofstream::out); + if (!ofs.is_open()) return false; + ofs.write(buf, len); + return !ofs.bad(); +} + +// We internally store paths in posix format ('/'). Paths supplied +// by the user should go through PosixPath to ensure correct behavior +// on Windows when paths are string-compared. + +static const char kPathSeparatorWindows = '\\'; +static const char *PathSeparatorSet = "\\/"; // Intentionally no ':' + +std::string StripExtension(const std::string &filepath) { + size_t i = filepath.find_last_of('.'); + return i != std::string::npos ? filepath.substr(0, i) : filepath; +} + +std::string GetExtension(const std::string &filepath) { + size_t i = filepath.find_last_of('.'); + return i != std::string::npos ? filepath.substr(i + 1) : ""; +} + +std::string StripPath(const std::string &filepath) { + size_t i = filepath.find_last_of(PathSeparatorSet); + return i != std::string::npos ? filepath.substr(i + 1) : filepath; +} + +std::string StripFileName(const std::string &filepath) { + size_t i = filepath.find_last_of(PathSeparatorSet); + return i != std::string::npos ? filepath.substr(0, i) : ""; +} + +std::string ConCatPathFileName(const std::string &path, + const std::string &filename) { + std::string filepath = path; + if (filepath.length()) { + char &filepath_last_character = string_back(filepath); + if (filepath_last_character == kPathSeparatorWindows) { + filepath_last_character = kPathSeparator; + } else if (filepath_last_character != kPathSeparator) { + filepath += kPathSeparator; + } + } + filepath += filename; + // Ignore './' at the start of filepath. + if (filepath[0] == '.' && filepath[1] == kPathSeparator) { + filepath.erase(0, 2); + } + return filepath; +} + +std::string PosixPath(const char *path) { + std::string p = path; + std::replace(p.begin(), p.end(), '\\', '/'); + return p; +} + +void EnsureDirExists(const std::string &filepath) { + auto parent = StripFileName(filepath); + if (parent.length()) EnsureDirExists(parent); + // clang-format off + + #ifdef _WIN32 + (void)_mkdir(filepath.c_str()); + #else + mkdir(filepath.c_str(), S_IRWXU|S_IRGRP|S_IXGRP); + #endif + // clang-format on +} + +std::string AbsolutePath(const std::string &filepath) { + // clang-format off + + #ifdef FLATBUFFERS_NO_ABSOLUTE_PATH_RESOLUTION + return filepath; + #else + #ifdef _WIN32 + char abs_path[MAX_PATH]; + return GetFullPathNameA(filepath.c_str(), MAX_PATH, abs_path, nullptr) + #else + char *abs_path_temp = realpath(filepath.c_str(), nullptr); + bool success = abs_path_temp != nullptr; + std::string abs_path; + if(success) { + abs_path = abs_path_temp; + free(abs_path_temp); + } + return success + #endif + ? abs_path + : filepath; + #endif // FLATBUFFERS_NO_ABSOLUTE_PATH_RESOLUTION + // clang-format on +} + +// Locale-independent code. +#if defined(FLATBUFFERS_LOCALE_INDEPENDENT) && \ + (FLATBUFFERS_LOCALE_INDEPENDENT > 0) + +// clang-format off +// Allocate locale instance at startup of application. +ClassicLocale ClassicLocale::instance_; + +#ifdef _MSC_VER + ClassicLocale::ClassicLocale() + : locale_(_create_locale(LC_ALL, "C")) {} + ClassicLocale::~ClassicLocale() { _free_locale(locale_); } +#else + ClassicLocale::ClassicLocale() + : locale_(newlocale(LC_ALL, "C", nullptr)) {} + ClassicLocale::~ClassicLocale() { freelocale(locale_); } +#endif +// clang-format on + +#endif // !FLATBUFFERS_LOCALE_INDEPENDENT + +std::string RemoveStringQuotes(const std::string &s) { + auto ch = *s.c_str(); + return ((s.size() >= 2) && (ch == '\"' || ch == '\'') && + (ch == string_back(s))) + ? s.substr(1, s.length() - 2) + : s; +} + +bool SetGlobalTestLocale(const char *locale_name, std::string *_value) { + const auto the_locale = setlocale(LC_ALL, locale_name); + if (!the_locale) return false; + if (_value) *_value = std::string(the_locale); + return true; +} + +bool ReadEnvironmentVariable(const char *var_name, std::string *_value) { +#ifdef _MSC_VER + __pragma(warning(disable : 4996)); // _CRT_SECURE_NO_WARNINGS +#endif + auto env_str = std::getenv(var_name); + if (!env_str) return false; + if (_value) *_value = std::string(env_str); + return true; +} + +void SetupDefaultCRTReportMode() { + // clang-format off + + #ifdef _MSC_VER + // By default, send all reports to STDOUT to prevent CI hangs. + // Enable assert report box [Abort|Retry|Ignore] if a debugger is present. + const int dbg_mode = (_CRTDBG_MODE_FILE | _CRTDBG_MODE_DEBUG) | + (IsDebuggerPresent() ? _CRTDBG_MODE_WNDW : 0); + (void)dbg_mode; // release mode fix + // CrtDebug reports to _CRT_WARN channel. + _CrtSetReportMode(_CRT_WARN, dbg_mode); + _CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDOUT); + // The assert from <assert.h> reports to _CRT_ERROR channel + _CrtSetReportMode(_CRT_ERROR, dbg_mode); + _CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDOUT); + // Internal CRT assert channel? + _CrtSetReportMode(_CRT_ASSERT, dbg_mode); + _CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDOUT); + #endif + + // clang-format on +} + +} // namespace flatbuffers |