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author Hop311 <hop3114@gmail.com>2023-09-08 18:12:22 +0200
committer Hop311 <hop3114@gmail.com>2023-09-08 18:12:22 +0200
commit7772f8871348b7b52cb0a478bb76df68d8799a07 (patch)
treefd8c4626b2cee69a9fe9250365af6b18eea63c70 /src/openvic/utility
parent7f9a9a8241ba81be9213e6606b8be4a48f1cbaab (diff)
More refactoring and duplicate code removal
Diffstat (limited to 'src/openvic/utility')
-rw-r--r--src/openvic/utility/BMP.cpp163
-rw-r--r--src/openvic/utility/BMP.hpp51
-rw-r--r--src/openvic/utility/Logger.cpp20
-rw-r--r--src/openvic/utility/Logger.hpp87
-rw-r--r--src/openvic/utility/NumberUtils.hpp27
-rw-r--r--src/openvic/utility/StringUtils.hpp127
6 files changed, 0 insertions, 475 deletions
diff --git a/src/openvic/utility/BMP.cpp b/src/openvic/utility/BMP.cpp
deleted file mode 100644
index 0ea0f30..0000000
--- a/src/openvic/utility/BMP.cpp
+++ /dev/null
@@ -1,163 +0,0 @@
-#include "BMP.hpp"
-
-#include <cstring>
-#include <set>
-
-#include "openvic/utility/Logger.hpp"
-
-using namespace OpenVic;
-
-BMP::~BMP() {
- close();
-}
-
-bool BMP::open(char const* filepath) {
- reset();
- errno = 0;
- file = fopen(filepath, "rb");
- if (file == nullptr || errno != 0) {
- Logger::error("Failed to open BMP file \"", filepath, "\" (errno = ", errno, ")");
- file = nullptr;
- return false;
- }
- return true;
-}
-
-bool BMP::read_header() {
- if (header_validated) {
- Logger::error("BMP header already validated!");
- return false;
- }
- if (file == nullptr) {
- Logger::error("Cannot read BMP header before opening a file");
- return false;
- }
- if (fseek(file, 0, SEEK_SET) != 0) {
- Logger::error("Failed to move to the beginning of the BMP file!");
- return false;
- }
- if (fread(&header, sizeof(header), 1, file) != 1) {
- Logger::error("Failed to read BMP header!");
- return false;
- }
-
- header_validated = true;
-
- // Validate constants
- static constexpr uint16_t BMP_SIGNATURE = 0x4d42;
- if (header.signature != BMP_SIGNATURE) {
- Logger::error("Invalid BMP signature: ", header.signature, " (must be ", BMP_SIGNATURE, ")");
- header_validated = false;
- }
- static constexpr uint32_t DIB_HEADER_SIZE = 40;
- if (header.dib_header_size != DIB_HEADER_SIZE) {
- Logger::error("Invalid BMP DIB header size: ", header.dib_header_size, " (must be ", DIB_HEADER_SIZE, ")");
- header_validated = false;
- }
- static constexpr uint16_t NUM_PLANES = 1;
- if (header.num_planes != NUM_PLANES) {
- Logger::error("Invalid BMP plane count: ", header.num_planes, " (must be ", NUM_PLANES, ")");
- header_validated = false;
- }
- static constexpr uint16_t COMPRESSION = 0; // Only support uncompressed BMPs
- if (header.compression != COMPRESSION) {
- Logger::error("Invalid BMP compression method: ", header.compression, " (must be ", COMPRESSION, ")");
- header_validated = false;
- }
-
- // Validate sizes and dimensions
- // TODO - image_size_bytes can be 0 for non-compressed BMPs
- if (header.file_size != header.offset + header.image_size_bytes) {
- Logger::error("Invalid BMP memory sizes: file size = ", header.file_size, " != ", header.offset + header.image_size_bytes,
- " = ", header.offset, " + ", header.image_size_bytes, " = image data offset + image data size");
- header_validated = false;
- }
- // TODO - support negative widths (i.e. horizontal flip)
- if (header.width_px <= 0) {
- Logger::error("Invalid BMP width: ", header.width_px, " (must be positive)");
- header_validated = false;
- }
- // TODO - support negative heights (i.e. vertical flip)
- if (header.height_px <= 0) {
- Logger::error("Invalid BMP height: ", header.height_px, " (must be positive)");
- header_validated = false;
- }
- // TODO - validate x_resolution_ppm
- // TODO - validate y_resolution_ppm
-
- // Validate colours
-#define VALID_BITS_PER_PIXEL 1, 2, 4, 8, 16, 24, 32
-#define STR(x) #x
- static const std::set<uint16_t> BITS_PER_PIXEL { VALID_BITS_PER_PIXEL };
- if (!BITS_PER_PIXEL.contains(header.bits_per_pixel)) {
- Logger::error("Invalid BMP bits per pixel: ", header.bits_per_pixel, " (must be one of " STR(VALID_BITS_PER_PIXEL) ")");
- header_validated = false;
- }
-#undef VALID_BITS_PER_PIXEL
-#undef STR
- static constexpr uint16_t PALETTE_BITS_PER_PIXEL_LIMIT = 8;
- if (header.num_colours != 0 && header.bits_per_pixel > PALETTE_BITS_PER_PIXEL_LIMIT) {
- Logger::error("Invalid BMP palette size: ", header.num_colours, " (should be 0 as bits per pixel is ", header.bits_per_pixel, " > 8)");
- header_validated = false;
- }
- // TODO - validate important_colours
-
- palette_size = header.bits_per_pixel > PALETTE_BITS_PER_PIXEL_LIMIT ? 0
- // Use header.num_colours if it's greater than 0 and at most 1 << header.bits_per_pixel
- : 0 < header.num_colours && header.num_colours - 1 >> header.bits_per_pixel == 0 ? header.num_colours
- : 1 << header.bits_per_pixel;
-
- const uint32_t expected_offset = palette_size * PALETTE_COLOUR_SIZE + sizeof(header);
- if (header.offset != expected_offset) {
- Logger::error("Invalid BMP image data offset: ", header.offset, " (should be ", expected_offset, ")");
- header_validated = false;
- }
-
- return header_validated;
-}
-
-bool BMP::read_palette() {
- if (file == nullptr) {
- Logger::error("Cannot read BMP palette before opening a file");
- return false;
- }
- if (!header_validated) {
- Logger::error("Cannot read palette before BMP header is validated!");
- return false;
- }
- if (palette_size == 0) {
- Logger::error("Cannot read BMP palette - header indicates this file doesn't have one");
- return false;
- }
- if (fseek(file, sizeof(header), SEEK_SET) != 0) {
- Logger::error("Failed to move to the palette in the BMP file!");
- return false;
- }
- palette.resize(palette_size);
- if (fread(palette.data(), palette_size * PALETTE_COLOUR_SIZE, 1, file) != 1) {
- Logger::error("Failed to read BMP header!");
- palette.clear();
- return false;
- }
- return true;
-}
-
-void BMP::close() {
- if (file != nullptr) {
- if (fclose(file) != 0)
- Logger::error("Failed to close BMP!");
- file = nullptr;
- }
-}
-
-void BMP::reset() {
- close();
- memset(&header, 0, sizeof(header));
- header_validated = false;
- palette_size = 0;
- palette.clear();
-}
-
-std::vector<colour_t> const& BMP::get_palette() const {
- return palette;
-}
diff --git a/src/openvic/utility/BMP.hpp b/src/openvic/utility/BMP.hpp
deleted file mode 100644
index 7ed36a5..0000000
--- a/src/openvic/utility/BMP.hpp
+++ /dev/null
@@ -1,51 +0,0 @@
-#pragma once
-
-#include <cstdio>
-#include <vector>
-
-#include "openvic/types/Colour.hpp"
-
-namespace OpenVic {
- class BMP {
-#pragma pack(push)
-#pragma pack(1)
- struct header_t {
- uint16_t signature; // Signature: 0x4d42 (or 'B' 'M')
- uint32_t file_size; // File size in bytes
- uint16_t reserved1; // Not used
- uint16_t reserved2; // Not used
- uint32_t offset; // Offset to image data in bytes from beginning of file
- uint32_t dib_header_size; // DIB header size in bytes
- int32_t width_px; // Width of the image
- int32_t height_px; // Height of image
- uint16_t num_planes; // Number of colour planes
- uint16_t bits_per_pixel; // Bits per pixel
- uint32_t compression; // Compression type
- uint32_t image_size_bytes; // Image size in bytes
- int32_t x_resolution_ppm; // Pixels per meter
- int32_t y_resolution_ppm; // Pixels per meter
- uint32_t num_colours; // Number of colours
- uint32_t important_colours; // Important colours
- } header;
-#pragma pack(pop)
-
- FILE* file = nullptr;
- bool header_validated = false;
- uint32_t palette_size = 0;
- std::vector<colour_t> palette;
-
- public:
- static constexpr uint32_t PALETTE_COLOUR_SIZE = sizeof(colour_t);
-
- BMP() = default;
- ~BMP();
-
- bool open(char const* filepath);
- bool read_header();
- bool read_palette();
- void close();
- void reset();
-
- std::vector<colour_t> const& get_palette() const;
- };
-}
diff --git a/src/openvic/utility/Logger.cpp b/src/openvic/utility/Logger.cpp
deleted file mode 100644
index bf9a67c..0000000
--- a/src/openvic/utility/Logger.cpp
+++ /dev/null
@@ -1,20 +0,0 @@
-#include "Logger.hpp"
-
-#include <iostream>
-
-using namespace OpenVic;
-
-Logger::log_func_t Logger::info_func {};
-Logger::log_queue_t Logger::info_queue {};
-Logger::log_func_t Logger::error_func {};
-Logger::log_queue_t Logger::error_queue {};
-
-char const* Logger::get_filename(char const* filepath) {
- if (filepath == nullptr) return nullptr;
- char const* last_slash = filepath;
- while (*filepath != '\0') {
- if (*filepath == '\\' || *filepath == '/') last_slash = filepath + 1;
- filepath++;
- }
- return last_slash;
-}
diff --git a/src/openvic/utility/Logger.hpp b/src/openvic/utility/Logger.hpp
deleted file mode 100644
index 417aba7..0000000
--- a/src/openvic/utility/Logger.hpp
+++ /dev/null
@@ -1,87 +0,0 @@
-#pragma once
-
-#include <functional>
-#include <queue>
-#include <sstream>
-#ifdef __cpp_lib_source_location
-#include <source_location>
-#endif
-
-namespace OpenVic {
-
-#ifndef __cpp_lib_source_location
-#include <string>
- // Implementation of std::source_location for compilers that do not support it
- // Note: uses non-standard extensions that are supported by Clang, GCC, and MSVC
- // https://clang.llvm.org/docs/LanguageExtensions.html#source-location-builtins
- // https://stackoverflow.com/a/67970107
- class source_location {
- std::string _file;
- int _line;
- std::string _function;
-
- public:
- source_location(std::string f, int l, std::string n) : _file(f), _line(l), _function(n) {}
- static source_location current(std::string f = __builtin_FILE(), int l = __builtin_LINE(), std::string n = __builtin_FUNCTION()) {
- return source_location(f, l, n);
- }
-
- inline char const* file_name() const { return _file.c_str(); }
- inline int line() const { return _line; }
- inline char const* function_name() const { return _function.c_str(); }
- };
-#endif
-
- class Logger {
- using log_func_t = std::function<void(std::string&&)>;
- using log_queue_t = std::queue<std::string>;
-
-#ifdef __cpp_lib_source_location
- using source_location = std::source_location;
-#else
- using source_location = OpenVic::source_location;
-#endif
-
- static char const* get_filename(char const* filepath);
-
- template<typename... Ts>
- struct log {
- log(log_func_t log_func, log_queue_t& log_queue, Ts&&... ts, source_location const& location) {
- std::stringstream stream;
- stream << "\n" << get_filename(location.file_name()) << "("
- << location.line() << ") `" << location.function_name() << "`: ";
- ((stream << std::forward<Ts>(ts)), ...);
- stream << std::endl;
- log_queue.push(stream.str());
- if (log_func) {
- do {
- log_func(std::move(log_queue.front()));
- log_queue.pop();
- } while (!log_queue.empty());
- }
- }
- };
-
-#define LOG_FUNC(name) \
- private: \
- static log_func_t name##_func; \
- static log_queue_t name##_queue; \
- public: \
- static void set_##name##_func(log_func_t log_func) { \
- name##_func = log_func; \
- } \
- template <typename... Ts> \
- struct name { \
- name(Ts&&... ts, source_location const& location = source_location::current()) { \
- log<Ts...>{ name##_func, name##_queue, std::forward<Ts>(ts)..., location }; \
- } \
- }; \
- template <typename... Ts> \
- name(Ts&&...) -> name<Ts...>;
-
- LOG_FUNC(info)
- LOG_FUNC(error)
-
-#undef LOG_FUNC
- };
-}
diff --git a/src/openvic/utility/NumberUtils.hpp b/src/openvic/utility/NumberUtils.hpp
deleted file mode 100644
index 6211772..0000000
--- a/src/openvic/utility/NumberUtils.hpp
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <cstdint>
-
-namespace OpenVic::NumberUtils {
- constexpr int64_t round_to_int64(float num) {
- return (num > 0.0f) ? (num + 0.5f) : (num - 0.5f);
- }
-
- constexpr int64_t round_to_int64(double num) {
- return (num > 0.0) ? (num + 0.5) : (num - 0.5);
- }
-
- constexpr uint64_t pow(uint64_t base, size_t exponent) {
- uint64_t ret = 1;
- while (exponent-- > 0) {
- ret *= base;
- }
- return ret;
- }
-
- constexpr int64_t pow(int64_t base, size_t exponent) {
- int64_t ret = 1;
- while (exponent-- > 0) {
- ret *= base;
- }
- return ret;
- }
-}
diff --git a/src/openvic/utility/StringUtils.hpp b/src/openvic/utility/StringUtils.hpp
deleted file mode 100644
index 5d6001c..0000000
--- a/src/openvic/utility/StringUtils.hpp
+++ /dev/null
@@ -1,127 +0,0 @@
-#include <cstdint>
-#include <limits>
-#include <string_view>
-
-namespace OpenVic::StringUtils {
- /* The constexpr function 'string_to_uint64' will convert a string into a uint64_t integer value.
- * The function takes four parameters: the input string (as a pair of pointers marking the start and
- * end of the string), a bool pointer for reporting success, and the base for numerical conversion.
- * The base parameter defaults to 10 (decimal), but it can be any value between 2 and 36. If the base
- * given is 0, it will be set to 16 if the string starts with "0x" or "0X", otherwise 8 if the string
- * still starts with "0", otherwise 10. The success bool pointer parameter is used to report whether
- * or not conversion was successful. It can be nullptr if this information is not needed.
- */
- constexpr uint64_t string_to_uint64(char const* str, const char* const end, bool* successful = nullptr, int base = 10) {
- if (successful != nullptr) *successful = false;
-
- // Base value should be between 2 and 36. If it's not, return 0 as an invalid case.
- if (str == nullptr || end <= str || base < 0 || base == 1 || base > 36)
- return 0;
-
- // The result of the conversion will be stored in this variable.
- uint64_t result = 0;
-
- // If base is zero, base is determined by the string prefix.
- if (base == 0) {
- if (*str == '0') {
- if (str + 1 != end && (str[1] == 'x' || str[1] == 'X')) {
- base = 16; // Hexadecimal.
- str += 2; // Skip '0x' or '0X'
- if (str == end) return 0;
- } else {
- base = 8; // Octal.
- }
- } else {
- base = 10; // Decimal.
- }
- } else if (base == 16) {
- // If base is 16 and string starts with '0x' or '0X', skip these characters.
- if (*str == '0' && str + 1 != end && (str[1] == 'x' || str[1] == 'X')) {
- str += 2;
- if (str == end) return 0;
- }
- }
-
- // Convert the number in the string.
- for (; str != end; ++str) {
- int digit;
- if (*str >= '0' && *str <= '9') {
- digit = *str - '0'; // Calculate digit value for '0'-'9'.
- } else if (*str >= 'a' && *str <= 'z') {
- digit = *str - 'a' + 10; // Calculate digit value for 'a'-'z'.
- } else if (*str >= 'A' && *str <= 'Z') {
- digit = *str - 'A' + 10; // Calculate digit value for 'A'-'Z'.
- } else {
- break; // Stop conversion if current character is not a digit.
- }
-
- if (digit >= base) {
- break; // Stop conversion if current digit is greater than or equal to the base.
- }
-
- // Check for overflow on multiplication
- if (result > std::numeric_limits<uint64_t>::max() / base) {
- return std::numeric_limits<uint64_t>::max();
- }
-
- result *= base;
-
- // Check for overflow on addition
- if (result > std::numeric_limits<uint64_t>::max() - digit) {
- return std::numeric_limits<uint64_t>::max();
- }
-
- result += digit;
- }
-
- // If successful is not null and the entire string was parsed,
- // set *successful to true (if not it is already false).
- if (successful != nullptr && str == end) *successful = true;
-
- return result;
- }
-
- constexpr uint64_t string_to_uint64(char const* str, size_t length, bool* successful = nullptr, int base = 10) {
- return string_to_uint64(str, str + length, successful, base);
- }
-
- inline uint64_t string_to_uint64(const std::string_view str, bool* successful = nullptr, int base = 10) {
- return string_to_uint64(str.data(), str.length(), successful, base);
- }
-
- constexpr int64_t string_to_int64(char const* str, const char* const end, bool* successful = nullptr, int base = 10) {
- if (successful != nullptr) *successful = false;
-
- if (str == nullptr || end <= str) return 0;
-
- // This flag will be set if the number is negative.
- bool is_negative = false;
-
- // Check if there is a sign character.
- if (*str == '+' || *str == '-') {
- if (*str == '-')
- is_negative = true;
- ++str;
- if (str == end) return 0;
- }
-
- const uint64_t result = string_to_uint64(str, end, successful, base);
- if (!is_negative) {
- if (result >= std::numeric_limits<int64_t>::max())
- return std::numeric_limits<int64_t>::max();
- return result;
- } else {
- if (result > std::numeric_limits<int64_t>::max())
- return std::numeric_limits<int64_t>::min();
- return -result;
- }
- }
-
- constexpr int64_t string_to_int64(char const* str, size_t length, bool* successful = nullptr, int base = 10) {
- return string_to_int64(str, str + length, successful, base);
- }
-
- inline int64_t string_to_int64(const std::string_view str, bool* successful = nullptr, int base = 10) {
- return string_to_int64(str.data(), str.length(), successful, base);
- }
-}