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Diffstat (limited to 'source/10-common/Utils.hpp')
-rw-r--r-- | source/10-common/Utils.hpp | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/source/10-common/Utils.hpp b/source/10-common/Utils.hpp deleted file mode 100644 index 668261b..0000000 --- a/source/10-common/Utils.hpp +++ /dev/null @@ -1,77 +0,0 @@ -#pragma once - -#include <robin_hood.h> -#include <cstdio> -#include <cstring> -#include <filesystem> -#include <glm/glm.hpp> -#include <string> -#include <string_view> - -namespace Utils { - -enum IoMode { - Read, - WriteTruncate, - WriteAppend, -}; - -FILE* OpenCstdioFile(const std::filesystem::path& path, IoMode mode, bool binary = false); -FILE* OpenCstdioFile(const char* path, IoMode mode, bool binary = false); - -/// Retrieve a whole line (marked by `\n` or EOF) into the buffer. If the line ends with EOF, two things happen: -/// 1. a `\n` character is appended to the line content, emulating as-if the line ended with `\n`. -/// 2. `false` is returned -/// Otherwise, `true` is returned. -/// -/// Empty lines are not skipped at all, including the very last empty line if it exists. -bool ReadCstdioLine(FILE* file, std::string& buffer); -/// Same as the other overload, except working with a fixed-size buffer. -/// NOTE: this also gives the length of the line compared to `std::fgets`. -/// `std::fgets` requires us to run `std::strlen` on the output again to find the length -bool ReadCstdioLine(FILE* file, char* buffer, size_t bufferSize, size_t* outLineLength = nullptr); - -std::string ReadFileAsString(const std::filesystem::path& path); - -constexpr float Abs(float v) noexcept { - return v < 0.0f ? -v : v; -} - -bool InRangeInclusive(int n, int lower, int upper); -bool LineContains(glm::ivec2 p1, glm::ivec2 p2, glm::ivec2 candidate); - -bool IsColinear(glm::ivec2 p1, glm::ivec2 p2); - -template <typename T> -void HashCombine(std::size_t& seed, const T& v) { - seed ^= std::hash<T>{}(v) + 0x9e3779b9 + (seed << 6) + (seed >> 2); -} - -std::string MakeRandomNumberedName(const char* tag); - -} // namespace Utils - -struct StringHash { - using is_transparent = void; - - std::size_t operator()(const std::string& key) const { return robin_hood::hash_bytes(key.c_str(), key.size()); } - std::size_t operator()(std::string_view key) const { return robin_hood::hash_bytes(key.data(), key.size()); } - std::size_t operator()(const char* key) const { return robin_hood::hash_bytes(key, std::strlen(key)); } -}; - -struct StringEqual { - using is_transparent = int; - - bool operator()(std::string_view lhs, const std::string& rhs) const { - const std::string_view view = rhs; - return lhs == view; - } - - bool operator()(const char* lhs, const std::string& rhs) const { - return std::strcmp(lhs, rhs.c_str()) == 0; - } - - bool operator()(const std::string& lhs, const std::string& rhs) const { - return lhs == rhs; - } -}; |