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author | crupest <crupest@outlook.com> | 2022-02-08 16:53:51 +0800 |
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committer | crupest <crupest@outlook.com> | 2022-02-08 16:53:51 +0800 |
commit | 74bb9cd27242b9320f99ff4d2b50c3051576cc14 (patch) | |
tree | 744bac5799c593d1d6f81e7b09581bea626f2cde /include/cru/common/String.hpp | |
parent | b90c398de829d1ba5329651d75bae82f5e4085fe (diff) | |
download | cru-74bb9cd27242b9320f99ff4d2b50c3051576cc14.tar.gz cru-74bb9cd27242b9320f99ff4d2b50c3051576cc14.tar.bz2 cru-74bb9cd27242b9320f99ff4d2b50c3051576cc14.zip |
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Diffstat (limited to 'include/cru/common/String.hpp')
-rw-r--r-- | include/cru/common/String.hpp | 436 |
1 files changed, 0 insertions, 436 deletions
diff --git a/include/cru/common/String.hpp b/include/cru/common/String.hpp deleted file mode 100644 index c1f957c0..00000000 --- a/include/cru/common/String.hpp +++ /dev/null @@ -1,436 +0,0 @@ -#pragma once -#include "Base.hpp" - -#include "Range.hpp" -#include "StringUtil.hpp" - -#include <double-conversion/double-conversion.h> -#include <filesystem> -#include <initializer_list> -#include <iterator> -#include <string> -#include <string_view> -#include <vector> - -namespace cru { -class StringView; - -class CRU_BASE_API String { - public: - using value_type = char16_t; - using size_type = Index; - using difference_type = Index; - using reference = value_type&; - using const_reference = const value_type&; - using pointer = value_type*; - using const_pointer = const value_type*; - using iterator = value_type*; - using const_iterator = const value_type*; - using reverse_iterator = std::reverse_iterator<iterator>; - using const_reverse_iterator = std::reverse_iterator<const_iterator>; - - public: - static String FromUtf8(const char* str); - static String FromUtf8(const char* str, Index size); - static String FromUtf8(std::string_view str) { - return FromUtf8(str.data(), str.size()); - } - - static String FromUtf16(const char16_t* str) { return String(str); } - static String FromUtf16(const char16_t* str, Index size) { - return String(str, size); - } - static String FromUtf16(std::u16string_view str) { - return FromUtf16(str.data(), str.size()); - } - - static inline String From(StringView str); - - // Never use this if you don't know what this mean! - static String FromBuffer(pointer buffer, Index size, Index capacity) { - return String{from_buffer_tag{}, buffer, size, capacity}; - } - - static String FromStdPath(const std::filesystem::path& path); - -#ifdef CRU_PLATFORM_WINDOWS - static String FromUtf16(wchar_t* str) { return String(str); } - static String FromUtf16(wchar_t* str, Index size) { - return String(str, size); - } -#endif - - public: - String() = default; - - explicit String(const_pointer str); - String(const_pointer str, size_type size); - - template <Index size> - String(const char16_t (&str)[size]) - : String(reinterpret_cast<const_pointer>(str), size - 1) {} - - template <typename Iter> - String(Iter start, Iter end) { - for (; start != end; start++) { - append(*start); - } - } - - String(size_type size, value_type ch = 0); - - String(std::initializer_list<value_type> l); - - explicit String(StringView str); - -#ifdef CRU_PLATFORM_WINDOWS - String(const wchar_t* str); - String(const wchar_t* str, Index size); - String(const std::wstring& str) : String(str.data(), str.size()) {} -#endif - - String(const String& other); - String(String&& other) noexcept; - - String& operator=(const String& other); - String& operator=(String&& other) noexcept; - - ~String(); - - private: - struct from_buffer_tag {}; - String(from_buffer_tag, pointer buffer, Index size, Index capacity); - - public: - bool empty() const { return this->size_ == 0; } - Index size() const { return this->size_; } - Index length() const { return this->size(); } - Index capacity() const { return this->capacity_; } - pointer data() { return this->buffer_; } - const_pointer data() const { return this->buffer_; } - - void resize(Index new_size); - void reserve(Index new_capacity); - void shrink_to_fit(); - - reference front() { return this->operator[](0); } - const_reference front() const { return this->operator[](0); } - - reference back() { return this->operator[](size_ - 1); } - const_reference back() const { return this->operator[](size_ - 1); } - - const_pointer c_str() const { return buffer_; } - - reference operator[](Index index) { return buffer_[index]; } - const_reference operator[](Index index) const { return buffer_[index]; } - - public: - iterator begin() { return this->buffer_; } - const_iterator begin() const { return this->buffer_; } - const_iterator cbegin() const { return this->buffer_; } - - iterator end() { return this->buffer_ + this->size_; } - const_iterator end() const { return this->buffer_ + this->size_; } - const_iterator cend() const { return this->buffer_ + this->size_; } - - reverse_iterator rbegin() { return reverse_iterator{end()}; } - const_reverse_iterator rbegin() const { - return const_reverse_iterator{end()}; - } - const_reverse_iterator crbegin() const { - return const_reverse_iterator{cend()}; - } - - reverse_iterator rend() { return reverse_iterator{begin()}; } - const_reverse_iterator rend() const { - return const_reverse_iterator{begin()}; - } - const_reverse_iterator crend() const { - return const_reverse_iterator{cbegin()}; - } - - public: - void clear(); - iterator insert(const_iterator pos, value_type value) { - return this->insert(pos, &value, 1); - } - iterator insert(const_iterator pos, const_iterator str, Index size); - iterator insert(const_iterator pos, StringView str); - iterator erase(const_iterator pos) { return this->erase(pos, pos + 1); } - iterator erase(const_iterator start, const_iterator end); - void push_back(value_type value) { this->append(value); } - void pop_back() { this->erase(cend() - 1); } - void append(value_type value) { this->insert(cend(), value); } - void append(const_iterator str, Index size) { - this->insert(cend(), str, size); - } - inline void append(StringView str); - - String substr(size_type start, size_type size = -1) const { - if (size == -1) { - size = this->size_ - start; - } - return String(this->buffer_ + start, size); - } - - String& operator+=(value_type value) { - this->append(value); - return *this; - } - String& operator+=(StringView other); - - public: - operator std::u16string_view() const { - return std::u16string_view(data(), size()); - } - - StringView View() const; - - public: - Index Find(value_type value, Index start = 0) const; - std::vector<String> Split(value_type separator, - bool remove_space_line = false) const; - std::vector<String> SplitToLines(bool remove_space_line = false) const; - - bool StartWith(StringView str) const; - bool EndWith(StringView str) const; - - String& TrimStart(); - String& TrimEnd(); - String& Trim(); - - public: - void AppendCodePoint(CodePoint code_point); - - Utf16CodePointIterator CodePointIterator() const { - return Utf16CodePointIterator(buffer_, size_); - } - - Index IndexFromCodeUnitToCodePoint(Index code_unit_index) const; - Index IndexFromCodePointToCodeUnit(Index code_point_index) const; - Range RangeFromCodeUnitToCodePoint(Range code_unit_range) const; - Range RangeFromCodePointToCodeUnit(Range code_point_range) const; - - float ParseToFloat(Index* processed_characters_count = nullptr) const; - double ParseToDouble(Index* processed_characters_count = nullptr) const; - std::vector<float> ParseToFloatList(value_type separator = u' ') const; - std::vector<double> ParseToDoubleList(value_type separator = u' ') const; - -#ifdef CRU_PLATFORM_WINDOWS - const wchar_t* WinCStr() const { - return reinterpret_cast<const wchar_t*>(c_str()); - } -#endif - - template <typename... T> - String Format(T&&... args) const; - - std::string ToUtf8() const; - - int Compare(const String& other) const; - int CaseInsensitiveCompare(const String& other) const; - bool CaseInsensitiveEqual(const String& other) const { - return CaseInsensitiveCompare(other) == 0; - } - - private: - static char16_t kEmptyBuffer[1]; - - private: - char16_t* buffer_ = kEmptyBuffer; - Index size_ = 0; // not including trailing '\0' - Index capacity_ = 0; // always 1 smaller than real buffer size -}; - -class CRU_BASE_API StringView { - public: - static double_conversion::StringToDoubleConverter - kDefaultStringToDoubleConverter; - - using value_type = char16_t; - using size_type = Index; - using difference_type = Index; - using reference = value_type&; - using const_reference = const value_type&; - using pointer = value_type*; - using const_pointer = const value_type*; - using iterator = const value_type*; - using const_iterator = const value_type*; - using reverse_iterator = std::reverse_iterator<iterator>; - using const_reverse_iterator = std::reverse_iterator<const_iterator>; - - StringView() = default; - - constexpr StringView(const_pointer ptr, Index size) - : ptr_(ptr), size_(size) {} - - template <Index size> - constexpr StringView(const value_type (&array)[size]) - : StringView(array, size - 1) {} - - StringView(const String& str) : StringView(str.data(), str.size()) {} - - CRU_DEFAULT_COPY(StringView) - CRU_DEFAULT_MOVE(StringView) - - ~StringView() = default; - - bool empty() const { return size_ == 0; } - Index size() const { return size_; } - const value_type* data() const { return ptr_; } - - public: - iterator begin() { return this->ptr_; } - const_iterator begin() const { return this->ptr_; } - const_iterator cbegin() const { return this->ptr_; } - - iterator end() { return this->ptr_ + this->size_; } - const_iterator end() const { return this->ptr_ + this->size_; } - const_iterator cend() const { return this->ptr_ + this->size_; } - - reverse_iterator rbegin() { return reverse_iterator{end()}; } - const_reverse_iterator rbegin() const { - return const_reverse_iterator{end()}; - } - const_reverse_iterator crbegin() const { - return const_reverse_iterator{cend()}; - } - - reverse_iterator rend() { return reverse_iterator{begin()}; } - const_reverse_iterator rend() const { - return const_reverse_iterator{begin()}; - } - const_reverse_iterator crend() const { - return const_reverse_iterator{cbegin()}; - } - - StringView substr(Index pos); - StringView substr(Index pos, Index size); - - value_type operator[](Index index) const { return ptr_[index]; } - - operator std::u16string_view() const { - return std::u16string_view(data(), size()); - } - - public: - int Compare(const StringView& other) const; - int CaseInsensitiveCompare(const StringView& other) const; - bool CaseInsensitiveEqual(const StringView& other) const { - return CaseInsensitiveCompare(other) == 0; - } - - String ToString() const { return String(ptr_, size_); } - - Utf16CodePointIterator CodePointIterator() const { - return Utf16CodePointIterator(ptr_, size_); - } - - Index Find(value_type value, Index start = 0) const; - std::vector<String> Split(value_type separator, - bool remove_space_line = false) const; - std::vector<String> SplitToLines(bool remove_space_line = false) const; - - bool StartWith(StringView str) const; - bool EndWith(StringView str) const; - - Index IndexFromCodeUnitToCodePoint(Index code_unit_index) const; - Index IndexFromCodePointToCodeUnit(Index code_point_index) const; - Range RangeFromCodeUnitToCodePoint(Range code_unit_range) const; - Range RangeFromCodePointToCodeUnit(Range code_point_range) const; - - float ParseToFloat(Index* processed_characters_count = nullptr) const; - double ParseToDouble(Index* processed_characters_count = nullptr) const; - std::vector<float> ParseToFloatList(value_type separator = u' ') const; - std::vector<double> ParseToDoubleList(value_type separator = u' ') const; - - std::string ToUtf8() const; - - private: - const char16_t* ptr_; - Index size_; -}; - -CRU_DEFINE_COMPARE_OPERATORS(String) - -inline String operator+(const String& left, const String& right) { - String result(left); - result += right; - return result; -} - -CRU_DEFINE_COMPARE_OPERATORS(StringView) - -inline String::iterator String::insert(const_iterator pos, StringView str) { - return insert(pos, str.data(), str.size()); -} - -inline void String::append(StringView str) { - this->append(str.data(), str.size()); -} - -inline String String::From(StringView str) { return str.ToString(); } - -inline String::String(StringView str) : String(str.data(), str.size()) {} - -inline String ToString(StringView value) { return value.ToString(); } - -inline CodePoint Utf16PreviousCodePoint(StringView str, Index current, - Index* previous_position) { - return Utf16PreviousCodePoint(str.data(), str.size(), current, - previous_position); -} - -inline CodePoint Utf16NextCodePoint(StringView str, Index current, - Index* next_position) { - return Utf16NextCodePoint(str.data(), str.size(), current, next_position); -} - -inline bool Utf16IsValidInsertPosition(StringView str, Index position) { - return Utf16IsValidInsertPosition(str.data(), str.size(), position); -} - -// Return position after the character making predicate returns true or 0 if no -// character doing so. -inline Index CRU_BASE_API -Utf16BackwardUntil(StringView str, Index position, - const std::function<bool(CodePoint)>& predicate) { - return Utf16BackwardUntil(str.data(), str.size(), position, predicate); -} -// Return position before the character making predicate returns true or -// str.size() if no character doing so. -inline Index CRU_BASE_API -Utf16ForwardUntil(StringView str, Index position, - const std::function<bool(CodePoint)>& predicate) { - return Utf16ForwardUntil(str.data(), str.size(), position, predicate); -} - -inline Index Utf16PreviousWord(StringView str, Index position, - bool* is_space = nullptr) { - return Utf16PreviousWord(str.data(), str.size(), position, is_space); -} - -inline Index Utf16NextWord(StringView str, Index position, - bool* is_space = nullptr) { - return Utf16NextWord(str.data(), str.size(), position, is_space); -} - -String CRU_BASE_API ToLower(StringView s); -String CRU_BASE_API ToUpper(StringView s); -} // namespace cru - -template <> -struct std::hash<cru::String> { - std::size_t operator()(const cru::String& value) const { - return std::hash<std::u16string_view>{}(std::u16string_view( - reinterpret_cast<const char16_t*>(value.data()), value.size())); - } -}; - -template <> -struct std::hash<cru::StringView> { - std::size_t operator()(const cru::StringView& value) const { - return std::hash<std::u16string_view>{}(std::u16string_view( - reinterpret_cast<const char16_t*>(value.data()), value.size())); - } -}; |