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CorradeString.hpp
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/*
Corrade::Containers::String
Corrade::Containers::StringView
— lightweight and optimized string (view) classes
https://doc.magnum.graphics/corrade/classCorrade_1_1Containers_1_1BasicString.html
https://doc.magnum.graphics/corrade/classCorrade_1_1Containers_1_1BasicStringView.html
Depends on CorradeEnumSet.h, the implementation depends on CorradeCpu.hpp.
This is a single-header library generated from the Corrade project. With
the goal being easy integration, it's deliberately free of all comments
to keep the file size small. More info, detailed changelogs and docs here:
- Project homepage — https://magnum.graphics/corrade/
- Documentation — https://doc.magnum.graphics/corrade/
- GitHub project page — https://github.com/mosra/corrade
- GitHub Singles repository — https://github.com/mosra/magnum-singles
The library has a separate non-inline implementation part, enable it *just
once* like this:
#define CORRADE_STRING_IMPLEMENTATION
#include <CorradeString.hpp>
If you need the deinlined symbols to be exported from a shared library,
`#define CORRADE_UTILITY_EXPORT` and `CORRADE_UTILITY_LOCAL` as
appropriate. Runtime CPU dispatch for the implementation is enabled by
default, you can disable it with `#define CORRADE_NO_CPU_RUNTIME_DISPATCH`
before including the file in both the headers and the implementation. To
enable the IFUNC functionality for CPU runtime dispatch,
`#define CORRADE_CPU_USE_IFUNC`.
The STL compatibility bits are included as well --- opt-in by specifying
either `#define CORRADE_STRING_STL_COMPATIBILITY` or
`#define CORRADE_STRING_STL_VIEW_COMPATIBILITY` before including the file.
Including it multiple times with different macros defined works too.
v2020.06-1864-g8b00 (2025-02-12)
- Removed dependency on Containers::Pair
v2020.06-1846-gc4cdf (2025-01-07)
- Fixed embarrassing bugs in the NEON and WASM SIMD code paths for find()
- SFINAE is now done in template args as that's simpler for the compiler
- std::string STL compatibility is now inline, meaning the
CORRADE_STRING_STL_COMPATIBILITY macro doesn't need to be defined also
for CORRADE_STRING_IMPLEMENTATION anymore
v2020.06-1687-g6b5f (2024-06-29)
- New, SIMD-optimized count() API
- Literals are now available in an inline Literals::StringLiterals
namespace for finer control over which literals get actually used
- String copy construction and copy assignment now makes the copy a SSO
only if the original instance was a SSO as well
v2020.06-1502-g147e (2023-09-11)
- Initial release
Generated from Corrade v2020.06-1864-g8b00 (2025-02-12), 2523 / 2179 LoC
*/
/*
This file is part of Corrade.
Copyright © 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016,
2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
Vladimír Vondruš <mosra@centrum.cz>
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.
*/
#if !defined(CORRADE_CONSTEXPR_ASSERT) && !defined(NDEBUG)
#include <cassert>
#endif
#include <cstddef>
#include <type_traits>
#include "CorradeEnumSet.h"
#ifdef _MSC_VER
#define CORRADE_TARGET_MSVC
#endif
#if !defined(__x86_64) && !defined(_M_X64) && !defined(__aarch64__) && !defined(_M_ARM64) && !defined(__powerpc64__) && !defined(__wasm64__)
#define CORRADE_TARGET_32BIT
#endif
#ifdef __BYTE_ORDER__
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
#define CORRADE_TARGET_BIG_ENDIAN
#elif __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__
#error what kind of endianness is this?
#endif
#elif defined(__hppa__) || \
defined(__m68k__) || defined(mc68000) || defined(_M_M68K) || \
(defined(__MIPS__) && defined(__MIPSEB__)) || \
defined(__ppc__) || defined(__POWERPC__) || defined(_M_PPC) || \
defined(__sparc__)
#define CORRADE_TARGET_BIG_ENDIAN
#endif
#ifndef CORRADE_NO_CPU_RUNTIME_DISPATCH
#define CORRADE_BUILD_CPU_RUNTIME_DISPATCH
#endif
#ifndef CorradeString_hpp
#define CorradeString_hpp
#ifndef CORRADE_UTILITY_EXPORT
#define CORRADE_UTILITY_EXPORT
#endif
#ifndef CORRADE_UTILITY_LOCAL
#define CORRADE_UTILITY_LOCAL
#endif
#if defined(CORRADE_BUILD_CPU_RUNTIME_DISPATCH) && !defined(CORRADE_CPU_USE_IFUNC)
#define CORRADE_UTILITY_CPU_DISPATCHER_DECLARATION(name) \
CORRADE_UTILITY_EXPORT decltype(name) name ## Implementation(Cpu::Features);
#define CORRADE_UTILITY_CPU_DISPATCHED_DECLARATION(name) (*name)
#else
#define CORRADE_UTILITY_CPU_DISPATCHER_DECLARATION(name)
#define CORRADE_UTILITY_CPU_DISPATCHED_DECLARATION(name) (name)
#endif
namespace Corrade { namespace Containers {
class String;
template<class> class BasicStringView;
typedef BasicStringView<const char> StringView;
}}
#endif
#ifndef Corrade_Corrade_h
#define Corrade_Corrade_h
namespace Corrade {
namespace Cpu {
class Features;
}
}
#endif
#ifndef Corrade_Utility_Move_h
#define Corrade_Utility_Move_h
#ifdef CORRADE_MSVC2015_COMPATIBILITY
#include <utility>
#endif
namespace Corrade { namespace Utility {
template<class T> constexpr T&& forward(typename std::remove_reference<T>::type& t) noexcept {
return static_cast<T&&>(t);
}
template<class T> constexpr T&& forward(typename std::remove_reference<T>::type&& t) noexcept {
static_assert(!std::is_lvalue_reference<T>::value, "T can't be a lvalue reference");
return static_cast<T&&>(t);
}
template<class T> constexpr typename std::remove_reference<T>::type&& move(T&& t) noexcept {
return static_cast<typename std::remove_reference<T>::type&&>(t);
}
#ifndef CORRADE_MSVC2015_COMPATIBILITY
template<class T> void swap(T& a, typename std::common_type<T>::type& b) noexcept(std::is_nothrow_move_constructible<T>::value && std::is_nothrow_move_assignable<T>::value) {
T tmp = static_cast<T&&>(a);
a = static_cast<T&&>(b);
b = static_cast<T&&>(tmp);
}
#else
using std::swap;
#endif
#ifndef CORRADE_MSVC2015_COMPATIBILITY
template<std::size_t size, class T> void swap(T(&a)[size], typename std::common_type<T(&)[size]>::type b) noexcept(std::is_nothrow_move_constructible<T>::value && std::is_nothrow_move_assignable<T>::value) {
for(std::size_t i = 0; i != size; ++i) {
T tmp = static_cast<T&&>(a[i]);
a[i] = static_cast<T&&>(b[i]);
b[i] = static_cast<T&&>(tmp);
}
}
#endif
}}
#endif
#ifndef CORRADE_CONSTEXPR_ASSERT
#ifdef NDEBUG
#define CORRADE_CONSTEXPR_ASSERT(condition, message) static_cast<void>(0)
#else
#define CORRADE_CONSTEXPR_ASSERT(condition, message) \
static_cast<void>((condition) ? 0 : ([&]() { \
assert(!#condition); \
}(), 0))
#endif
#endif
#ifndef CORRADE_CONSTEXPR_DEBUG_ASSERT
#define CORRADE_CONSTEXPR_DEBUG_ASSERT(condition, message) \
CORRADE_CONSTEXPR_ASSERT(condition, message)
#endif
#ifndef Corrade_Containers_StringView_h
#define Corrade_Containers_StringView_h
namespace Corrade { namespace Containers {
namespace Implementation {
template<class, class> struct StringViewConverter;
}
enum class StringViewFlag: std::size_t {
Global = std::size_t{1} << (sizeof(std::size_t)*8 - 1),
NullTerminated = std::size_t{1} << (sizeof(std::size_t)*8 - 2)
};
namespace Implementation {
enum: std::size_t {
StringViewSizeMask = std::size_t(StringViewFlag::NullTerminated)|std::size_t(StringViewFlag::Global)
};
}
typedef EnumSet<StringViewFlag
, Implementation::StringViewSizeMask
> StringViewFlags;
CORRADE_ENUMSET_OPERATORS(StringViewFlags)
template<class T> class
#ifndef CORRADE_TARGET_MSVC
CORRADE_UTILITY_EXPORT
#endif
BasicStringView {
public:
template<class U, class = typename std::enable_if<std::is_same<std::nullptr_t, U>::value>::type> constexpr /*implicit*/ BasicStringView(U) noexcept: _data{}, _sizePlusFlags{std::size_t(StringViewFlag::Global)} {}
constexpr /*implicit*/ BasicStringView() noexcept: _data{}, _sizePlusFlags{std::size_t(StringViewFlag::Global)} {}
constexpr /*implicit*/ BasicStringView(T* data, std::size_t size, StringViewFlags flags = {}) noexcept: _data{data}, _sizePlusFlags{(
#ifdef CORRADE_TARGET_32BIT
CORRADE_CONSTEXPR_DEBUG_ASSERT(size < std::size_t{1} << (sizeof(std::size_t)*8 - 2),
"Containers::StringView: string expected to be smaller than 2^" << Utility::Debug::nospace << sizeof(std::size_t)*8 - 2 << "bytes, got" << size),
#endif
CORRADE_CONSTEXPR_DEBUG_ASSERT(data || !(flags & StringViewFlag::NullTerminated),
"Containers::StringView: can't use StringViewFlag::NullTerminated with null data"),
size|(std::size_t(flags) & Implementation::StringViewSizeMask))} {}
/*implicit*/ BasicStringView(String& data) noexcept;
template<class U = T, class = typename std::enable_if<std::is_const<U>::value>::type> /*implicit*/ BasicStringView(const String& data) noexcept;
template<class U, class = typename std::enable_if<std::is_same<const U, T>::value>::type> constexpr /*implicit*/ BasicStringView(BasicStringView<U> mutable_) noexcept: _data{mutable_._data}, _sizePlusFlags{mutable_._sizePlusFlags} {}
template<class U, class = typename std::enable_if<std::is_pointer<U>::value && std::is_convertible<const U&, T*>::value>::type> /*implicit*/ BasicStringView(U data, StringViewFlags extraFlags = {}) noexcept: BasicStringView{data, extraFlags, nullptr} {}
template<class U, class = decltype(Implementation::StringViewConverter<T, typename std::decay<U&&>::type>::from(std::declval<U&&>()))> constexpr /*implicit*/ BasicStringView(U&& other) noexcept: BasicStringView{Implementation::StringViewConverter<T, typename std::decay<U&&>::type>::from(Utility::forward<U>(other))} {}
template<class U, class = decltype(Implementation::StringViewConverter<T, U>::to(std::declval<BasicStringView<T>>()))> constexpr /*implicit*/ operator U() const {
return Implementation::StringViewConverter<T, U>::to(*this);
}
constexpr explicit operator bool() const {
return _data && (_sizePlusFlags & ~Implementation::StringViewSizeMask);
}
constexpr StringViewFlags flags() const {
return StringViewFlag(_sizePlusFlags & Implementation::StringViewSizeMask);
}
constexpr T* data() const { return _data; }
constexpr std::size_t size() const {
return _sizePlusFlags & ~Implementation::StringViewSizeMask;
}
constexpr bool isEmpty() const {
return !(_sizePlusFlags & ~Implementation::StringViewSizeMask);
}
constexpr T* begin() const { return _data; }
constexpr T* cbegin() const { return _data; }
constexpr T* end() const {
return _data + (_sizePlusFlags & ~Implementation::StringViewSizeMask);
}
constexpr T* cend() const {
return _data + (_sizePlusFlags & ~Implementation::StringViewSizeMask);
}
constexpr T& front() const;
constexpr T& back() const;
constexpr T& operator[](std::size_t i) const;
constexpr BasicStringView<T> slice(T* begin, T* end) const;
constexpr BasicStringView<T> slice(std::size_t begin, std::size_t end) const;
template<class U, class = typename std::enable_if<std::is_convertible<U, T*>::value && !std::is_convertible<U, std::size_t>::value>::type> constexpr BasicStringView<T> sliceSize(U begin, std::size_t size) const {
return slice(begin, begin + size);
}
constexpr BasicStringView<T> sliceSize(std::size_t begin, std::size_t size) const {
return slice(begin, begin + size);
}
template<class U, class = typename std::enable_if<std::is_convertible<U, T*>::value && !std::is_convertible<U, std::size_t>::value>::type> constexpr BasicStringView<T> prefix(U end) const {
return static_cast<T*>(end) ? slice(_data, end) : BasicStringView<T>{};
}
constexpr BasicStringView<T> suffix(T* begin) const {
return _data && !begin ? BasicStringView<T>{} : slice(begin, _data + (_sizePlusFlags & ~Implementation::StringViewSizeMask));
}
constexpr BasicStringView<T> prefix(std::size_t size) const {
return slice(0, size);
}
constexpr BasicStringView<T> exceptPrefix(std::size_t size) const {
return slice(size, _sizePlusFlags & ~Implementation::StringViewSizeMask);
}
constexpr BasicStringView<T> exceptSuffix(std::size_t size) const {
return slice(0, (_sizePlusFlags & ~Implementation::StringViewSizeMask) - size);
}
bool hasPrefix(StringView prefix) const;
bool hasPrefix(char prefix) const;
bool hasSuffix(StringView suffix) const;
bool hasSuffix(char suffix) const;
BasicStringView<T> exceptPrefix(StringView prefix) const;
template<class = typename std::enable_if<std::is_same<typename std::decay<T>::type, char>::value>::type> BasicStringView<T> exceptPrefix(T&& prefix) const = delete;
BasicStringView<T> exceptSuffix(StringView suffix) const;
template<class = typename std::enable_if<std::is_same<typename std::decay<T>::type, char>::value>::type> BasicStringView<T> exceptSuffix(T&& suffix) const = delete;
BasicStringView<T> trimmed(StringView characters) const {
return trimmedPrefix(characters).trimmedSuffix(characters);
}
BasicStringView<T> trimmed() const;
BasicStringView<T> trimmedPrefix(StringView characters) const;
BasicStringView<T> trimmedPrefix() const;
BasicStringView<T> trimmedSuffix(StringView characters) const;
BasicStringView<T> trimmedSuffix() const;
BasicStringView<T> find(StringView substring) const {
return findOr(substring, nullptr);
}
BasicStringView<T> find(char character) const {
return findOr(character, nullptr);
}
BasicStringView<T> findOr(StringView substring, T* fail) const;
BasicStringView<T> findOr(char character, T* fail) const;
BasicStringView<T> findLast(StringView substring) const {
return findLastOr(substring, nullptr);
}
BasicStringView<T> findLast(char character) const {
return findLastOr(character, nullptr);
}
BasicStringView<T> findLastOr(StringView substring, T* fail) const;
BasicStringView<T> findLastOr(char character, T* fail) const;
bool contains(StringView substring) const;
bool contains(char character) const;
BasicStringView<T> findAny(StringView characters) const {
return findAnyOr(characters, nullptr);
}
BasicStringView<T> findAnyOr(StringView characters, T* fail) const;
BasicStringView<T> findLastAny(StringView characters) const {
return findLastAnyOr(characters, nullptr);
}
BasicStringView<T> findLastAnyOr(StringView characters, T* fail) const;
bool containsAny(StringView substring) const;
std::size_t count(char character) const;
private:
template<class> friend class BasicStringView;
friend String;
friend CORRADE_UTILITY_EXPORT bool operator==(StringView, StringView);
friend CORRADE_UTILITY_EXPORT bool operator!=(StringView, StringView);
friend CORRADE_UTILITY_EXPORT bool operator<(StringView, StringView);
friend CORRADE_UTILITY_EXPORT bool operator<=(StringView, StringView);
friend CORRADE_UTILITY_EXPORT bool operator>=(StringView, StringView);
friend CORRADE_UTILITY_EXPORT bool operator>(StringView, StringView);
friend CORRADE_UTILITY_EXPORT String operator+(StringView, StringView);
friend CORRADE_UTILITY_EXPORT String operator*(StringView, std::size_t);
explicit BasicStringView(T* data, StringViewFlags flags, std::nullptr_t) noexcept;
constexpr explicit BasicStringView(T* data, std::size_t sizePlusFlags, std::nullptr_t) noexcept: _data{data}, _sizePlusFlags{sizePlusFlags} {}
T* _data;
std::size_t _sizePlusFlags;
};
typedef BasicStringView<const char> StringView;
typedef BasicStringView<char> MutableStringView;
CORRADE_UTILITY_EXPORT bool operator==(StringView a, StringView b);
CORRADE_UTILITY_EXPORT bool operator!=(StringView a, StringView b);
CORRADE_UTILITY_EXPORT bool operator<(StringView a, StringView b);
CORRADE_UTILITY_EXPORT bool operator<=(StringView a, StringView b);
CORRADE_UTILITY_EXPORT bool operator>=(StringView a, StringView b);
CORRADE_UTILITY_EXPORT bool operator>(StringView a, StringView b);
CORRADE_UTILITY_EXPORT String operator+(StringView a, StringView b);
CORRADE_UTILITY_EXPORT String operator*(StringView string, std::size_t count);
CORRADE_UTILITY_EXPORT String operator*(std::size_t count, StringView string);
namespace Literals {
inline
namespace StringLiterals {
#if defined(CORRADE_TARGET_CLANG) && __clang_major__ >= 17
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-literal-operator"
#endif
constexpr StringView operator"" _s(const char* data, std::size_t size) {
return StringView{data, size, StringViewFlag(std::size_t(StringViewFlag::Global)|std::size_t(StringViewFlag::NullTerminated))};
}
#if defined(CORRADE_TARGET_CLANG) && __clang_major__ >= 17
#pragma clang diagnostic pop
#endif
}}
template<class T> constexpr T& BasicStringView<T>::operator[](const std::size_t i) const {
return CORRADE_CONSTEXPR_DEBUG_ASSERT(i < size() + (flags() & StringViewFlag::NullTerminated ? 1 : 0),
"Containers::StringView::operator[](): index" << i << "out of range for" << size() << (flags() & StringViewFlag::NullTerminated ? "null-terminated bytes" : "bytes")), _data[i];
}
template<class T> constexpr T& BasicStringView<T>::front() const {
return CORRADE_CONSTEXPR_DEBUG_ASSERT(size(), "Containers::StringView::front(): view is empty"), _data[0];
}
template<class T> constexpr T& BasicStringView<T>::back() const {
return CORRADE_CONSTEXPR_DEBUG_ASSERT(size(), "Containers::StringView::back(): view is empty"), _data[size() - 1];
}
template<class T> constexpr BasicStringView<T> BasicStringView<T>::slice(T* const begin, T* const end) const {
return CORRADE_CONSTEXPR_DEBUG_ASSERT(_data <= begin && begin <= end && end <= _data + (_sizePlusFlags & ~Implementation::StringViewSizeMask),
"Containers::StringView::slice(): slice ["
<< Utility::Debug::nospace << begin - _data
<< Utility::Debug::nospace << ":"
<< Utility::Debug::nospace << end - _data
<< Utility::Debug::nospace << "] out of range for"
<< (_sizePlusFlags & ~Implementation::StringViewSizeMask) << "elements"),
BasicStringView<T>{begin, std::size_t(end - begin)|
(_sizePlusFlags & std::size_t(StringViewFlag::Global))|
((_sizePlusFlags & std::size_t(StringViewFlag::NullTerminated))*(end == _data + (_sizePlusFlags & ~Implementation::StringViewSizeMask))),
nullptr};
}
template<class T> constexpr BasicStringView<T> BasicStringView<T>::slice(const std::size_t begin, const std::size_t end) const {
return CORRADE_CONSTEXPR_DEBUG_ASSERT(begin <= end && end <= (_sizePlusFlags & ~Implementation::StringViewSizeMask),
"Containers::StringView::slice(): slice ["
<< Utility::Debug::nospace << begin
<< Utility::Debug::nospace << ":"
<< Utility::Debug::nospace << end
<< Utility::Debug::nospace << "] out of range for"
<< (_sizePlusFlags & ~Implementation::StringViewSizeMask) << "elements"),
BasicStringView<T>{_data + begin, (end - begin)|
(_sizePlusFlags & std::size_t(StringViewFlag::Global))|
((_sizePlusFlags & std::size_t(StringViewFlag::NullTerminated))*(end == (_sizePlusFlags & ~Implementation::StringViewSizeMask))),
nullptr};
}
namespace Implementation {
CORRADE_UTILITY_EXPORT const char* stringFindString(const char* data, std::size_t size, const char* substring, std::size_t substringSize);
CORRADE_UTILITY_EXPORT const char* stringFindLastString(const char* data, std::size_t size, const char* substring, std::size_t substringSize);
CORRADE_UTILITY_EXPORT extern const char* CORRADE_UTILITY_CPU_DISPATCHED_DECLARATION(stringFindCharacter)(const char* data, std::size_t size, char character);
CORRADE_UTILITY_CPU_DISPATCHER_DECLARATION(stringFindCharacter)
CORRADE_UTILITY_EXPORT const char* stringFindLastCharacter(const char* data, std::size_t size, char character);
CORRADE_UTILITY_EXPORT const char* stringFindAny(const char* data, std::size_t size, const char* characters, std::size_t characterCount);
CORRADE_UTILITY_EXPORT const char* stringFindLastAny(const char* data, std::size_t size, const char* characters, std::size_t characterCount);
CORRADE_UTILITY_EXPORT const char* stringFindNotAny(const char* data, std::size_t size, const char* characters, std::size_t characterCount);
CORRADE_UTILITY_EXPORT const char* stringFindLastNotAny(const char* data, std::size_t size, const char* characters, std::size_t characterCount);
CORRADE_UTILITY_EXPORT extern std::size_t CORRADE_UTILITY_CPU_DISPATCHED_DECLARATION(stringCountCharacter)(const char* data, std::size_t size, char character);
CORRADE_UTILITY_CPU_DISPATCHER_DECLARATION(stringCountCharacter)
}
template<class T> inline BasicStringView<T> BasicStringView<T>::trimmedPrefix(const StringView characters) const {
const std::size_t size = this->size();
T* const found = const_cast<T*>(Implementation::stringFindNotAny(_data, size, characters._data, characters.size()));
return suffix(found ? found : _data + size);
}
template<class T> inline BasicStringView<T> BasicStringView<T>::trimmedSuffix(const StringView characters) const {
T* const found = const_cast<T*>(Implementation::stringFindLastNotAny(_data, size(), characters._data, characters.size()));
return prefix(found ? found + 1 : _data);
}
template<class T> inline BasicStringView<T> BasicStringView<T>::findOr(const StringView substring, T* const fail) const {
const std::size_t substringSize = substring.size();
if(const char* const found = Implementation::stringFindString(_data, size(), substring._data, substringSize))
return slice(const_cast<T*>(found), const_cast<T*>(found + substringSize));
return BasicStringView<T>{fail, 0 /* empty, no flags */, nullptr};
}
template<class T> inline BasicStringView<T> BasicStringView<T>::findOr(const char character, T* const fail) const {
if(const char* const found = Implementation::stringFindCharacter(_data, size(), character))
return slice(const_cast<T*>(found), const_cast<T*>(found + 1));
return BasicStringView<T>{fail, 0 /* empty, no flags */, nullptr};
}
template<class T> inline BasicStringView<T> BasicStringView<T>::findLastOr(const StringView substring, T* const fail) const {
const std::size_t substringSize = substring.size();
if(const char* const found = Implementation::stringFindLastString(_data, size(), substring._data, substringSize))
return slice(const_cast<T*>(found), const_cast<T*>(found + substringSize));
return BasicStringView<T>{fail, 0 /* empty, no flags */, nullptr};
}
template<class T> inline BasicStringView<T> BasicStringView<T>::findLastOr(const char character, T* const fail) const {
if(const char* const found = Implementation::stringFindLastCharacter(_data, size(), character))
return slice(const_cast<T*>(found), const_cast<T*>(found + 1));
return BasicStringView<T>{fail, 0 /* empty, no flags */, nullptr};
}
template<class T> inline bool BasicStringView<T>::contains(const StringView substring) const {
return Implementation::stringFindString(_data, size(), substring._data, substring.size());
}
template<class T> inline bool BasicStringView<T>::contains(const char character) const {
return Implementation::stringFindCharacter(_data, size(), character);
}
template<class T> inline BasicStringView<T> BasicStringView<T>::findAnyOr(const StringView characters, T* const fail) const {
if(const char* const found = Implementation::stringFindAny(_data, size(), characters._data, characters.size()))
return slice(const_cast<T*>(found), const_cast<T*>(found + 1));
return BasicStringView<T>{fail, 0 /* empty, no flags */, nullptr};
}
template<class T> inline BasicStringView<T> BasicStringView<T>::findLastAnyOr(const StringView characters, T* const fail) const {
if(const char* const found = Implementation::stringFindLastAny(_data, size(), characters._data, characters.size()))
return slice(const_cast<T*>(found), const_cast<T*>(found + 1));
return BasicStringView<T>{fail, 0 /* empty, no flags */, nullptr};
}
template<class T> inline bool BasicStringView<T>::containsAny(const StringView characters) const {
return Implementation::stringFindAny(_data, size(), characters._data, characters.size());
}
template<class T> inline std::size_t BasicStringView<T>::count(const char character) const {
return Implementation::stringCountCharacter(_data, size(), character);
}
}}
#endif
#ifndef Corrade_Containers_String_h
#define Corrade_Containers_String_h
namespace Corrade { namespace Containers {
namespace Implementation {
template<class> struct StringConverter;
enum: std::size_t {
SmallStringBit = 0x40,
SmallStringSize = sizeof(std::size_t)*3 - 1
};
}
struct AllocatedInitT {
struct Init {};
constexpr explicit AllocatedInitT(Init) {}
};
constexpr AllocatedInitT AllocatedInit{AllocatedInitT::Init{}};
class CORRADE_UTILITY_EXPORT String {
public:
typedef void(*Deleter)(char*, std::size_t);
static String nullTerminatedView(StringView view);
static String nullTerminatedView(AllocatedInitT, StringView view);
static String nullTerminatedGlobalView(StringView view);
static String nullTerminatedGlobalView(AllocatedInitT, StringView view);
/*implicit*/ String() noexcept;
/*implicit*/ String(StringView view);
/*implicit*/ String(MutableStringView view);
template<class T, class = typename std::enable_if<std::is_convertible<T, const char*>::value && !std::is_convertible<T, std::size_t>::value>::type> /*implicit*/ String(T data): String{nullptr, nullptr, nullptr, data} {}
/*implicit*/ String(const char* data, std::size_t size);
explicit String(AllocatedInitT, StringView view);
explicit String(AllocatedInitT, MutableStringView view);
explicit String(AllocatedInitT, String&& other);
explicit String(AllocatedInitT, const String& other);
explicit String(AllocatedInitT, const char* data);
explicit String(AllocatedInitT, const char* data, std::size_t size);
explicit String(char* data, std::size_t size, Deleter deleter) noexcept;
template<class T, typename std::enable_if<std::is_convertible<T, Deleter>::value && !std::is_convertible<T, std::size_t>::value, int>::type = 0> String(char* data, T deleter) noexcept: String{deleter, nullptr, data} {}
explicit String(const char* data, std::size_t size, Deleter deleter) noexcept: String{const_cast<char*>(data), size, deleter} {}
template<class T, class = typename std::enable_if<std::is_convertible<T, Deleter>::value && !std::is_convertible<T, std::size_t>::value, const char*>::type> String(const char* data, T deleter) noexcept: String{deleter, nullptr, const_cast<char*>(data)} {}
explicit String(std::nullptr_t, std::size_t size, Deleter deleter) = delete;
template<class T, typename std::enable_if<std::is_convertible<T, Deleter>::value && !std::is_convertible<T, std::size_t>::value, int>::type = 0> String(std::nullptr_t, T) noexcept = delete;
explicit String(Corrade::ValueInitT, std::size_t size);
explicit String(Corrade::NoInitT, std::size_t size);
explicit String(Corrade::DirectInitT, std::size_t size, char c);
template<class T, class = decltype(Implementation::StringConverter<typename std::decay<T&&>::type>::from(std::declval<T&&>()))> /*implicit*/ String(T&& other) noexcept: String{Implementation::StringConverter<typename std::decay<T&&>::type>::from(Utility::forward<T>(other))} {}
~String();
String(const String& other);
String(String&& other) noexcept;
String& operator=(const String& other);
String& operator=(String&& other) noexcept;
template<class T, class = decltype(Implementation::StringConverter<T>::to(std::declval<String>()))> /*implicit*/ operator T() const {
return Implementation::StringConverter<T>::to(*this);
}
explicit operator bool() const;
bool isSmall() const {
return _small.size & Implementation::SmallStringBit;
}
StringViewFlags viewFlags() const;
char* data();
const char* data() const;
Deleter deleter() const;
bool isEmpty() const;
std::size_t size() const;
char* begin();
const char* begin() const;
const char* cbegin() const;
char* end();
const char* end() const;
const char* cend() const;
char& front();
char front() const;
char& back();
char back() const;
char& operator[](std::size_t i);
char operator[](std::size_t i) const;
MutableStringView slice(char* begin, char* end);
StringView slice(const char* begin, const char* end) const;
MutableStringView slice(std::size_t begin, std::size_t end);
StringView slice(std::size_t begin, std::size_t end) const;
template<class T, class = typename std::enable_if<std::is_convertible<T, char*>::value && !std::is_convertible<T, std::size_t>::value>::type> MutableStringView sliceSize(T begin, std::size_t size) {
return sliceSizePointerInternal(begin, size);
}
template<class T, class = typename std::enable_if<std::is_convertible<T, const char*>::value && !std::is_convertible<T, std::size_t>::value>::type> StringView sliceSize(T begin, std::size_t size) const {
return sliceSizePointerInternal(begin, size);
}
MutableStringView sliceSize(std::size_t begin, std::size_t size);
StringView sliceSize(std::size_t begin, std::size_t size) const;
template<class T, class = typename std::enable_if<std::is_convertible<T, char*>::value && !std::is_convertible<T, std::size_t>::value>::type> MutableStringView prefix(T end) {
return prefixPointerInternal(end);
}
template<class T, class = typename std::enable_if<std::is_convertible<T, const char*>::value && !std::is_convertible<T, std::size_t>::value>::type> StringView prefix(T end) const {
return prefixPointerInternal(end);
}
MutableStringView suffix(char* begin);
StringView suffix(const char* begin) const;
MutableStringView prefix(std::size_t size);
StringView prefix(std::size_t size) const;
MutableStringView exceptPrefix(std::size_t size);
StringView exceptPrefix(std::size_t size) const;
MutableStringView exceptSuffix(std::size_t size);
StringView exceptSuffix(std::size_t size) const;
bool hasPrefix(StringView prefix) const;
bool hasPrefix(char prefix) const;
bool hasSuffix(StringView suffix) const;
bool hasSuffix(char suffix) const;
MutableStringView exceptPrefix(StringView prefix);
StringView exceptPrefix(StringView prefix) const;
template<class T, class = typename std::enable_if<std::is_same<typename std::decay<T>::type, char>::value>::type> MutableStringView exceptPrefix(T&& prefix) = delete;
template<class T, class = typename std::enable_if<std::is_same<typename std::decay<T>::type, char>::value>::type> StringView exceptPrefix(T&& prefix) const = delete;
MutableStringView exceptSuffix(StringView suffix);
StringView exceptSuffix(StringView suffix) const;
template<class T, class = typename std::enable_if<std::is_same<typename std::decay<T>::type, char>::value>::type> MutableStringView exceptSuffix(T&& suffix) = delete;
template<class T, class = typename std::enable_if<std::is_same<typename std::decay<T>::type, char>::value>::type> StringView exceptSuffix(T&& suffix) const = delete;
MutableStringView trimmed(StringView characters);
StringView trimmed(StringView characters) const;
MutableStringView trimmed();
StringView trimmed() const;
MutableStringView trimmedPrefix(StringView characters);
StringView trimmedPrefix(StringView characters) const;
MutableStringView trimmedPrefix();
StringView trimmedPrefix() const;
MutableStringView trimmedSuffix(StringView characters);
StringView trimmedSuffix(StringView characters) const;
MutableStringView trimmedSuffix();
StringView trimmedSuffix() const;
MutableStringView find(StringView substring);
StringView find(StringView substring) const;
MutableStringView find(char character);
StringView find(char character) const;
MutableStringView findOr(StringView substring, char* fail);
StringView findOr(StringView substring, const char* fail) const;
MutableStringView findOr(char character, char* fail);
StringView findOr(char character, const char* fail) const;
MutableStringView findLast(StringView substring);
StringView findLast(StringView substring) const;
MutableStringView findLast(char character);
StringView findLast(char character) const;
MutableStringView findLastOr(StringView substring, char* fail);
StringView findLastOr(StringView substring, const char* fail) const;
MutableStringView findLastOr(char character, char* fail);
StringView findLastOr(char character, const char* fail) const;
bool contains(StringView substring) const;
bool contains(char character) const;
MutableStringView findAny(StringView characters);
StringView findAny(StringView characters) const;
MutableStringView findAnyOr(StringView characters, char* fail);
StringView findAnyOr(StringView characters, const char* fail) const;
MutableStringView findLastAny(StringView characters);
StringView findLastAny(StringView characters) const;
MutableStringView findLastAnyOr(StringView characters, char* fail);
StringView findLastAnyOr(StringView characters, const char* fail) const;
bool containsAny(StringView substring) const;
std::size_t count(char character) const;
char* release();
private:
explicit String(std::nullptr_t, std::nullptr_t, std::nullptr_t, const char* data);
explicit String(Deleter deleter, std::nullptr_t, char* data) noexcept;
CORRADE_UTILITY_LOCAL void construct(Corrade::NoInitT, std::size_t size);
CORRADE_UTILITY_LOCAL void construct(const char* data, std::size_t size);
CORRADE_UTILITY_LOCAL void copyConstruct(const String& other);
CORRADE_UTILITY_LOCAL void destruct();
struct Data {
const char* data;
std::size_t size;
};
CORRADE_UTILITY_LOCAL Data dataInternal() const;
MutableStringView sliceSizePointerInternal(char* begin, std::size_t size);
StringView sliceSizePointerInternal(const char* begin, std::size_t size) const;
MutableStringView prefixPointerInternal(char* end);
StringView prefixPointerInternal(const char* end) const;
struct Small {
#ifdef CORRADE_TARGET_BIG_ENDIAN
unsigned char size;
char data[Implementation::SmallStringSize];
#else
char data[Implementation::SmallStringSize];
unsigned char size;
#endif
};
struct Large {
#ifdef CORRADE_TARGET_BIG_ENDIAN
std::size_t size;
char* data;
void(*deleter)(char*, std::size_t);
#else
char* data;
void(*deleter)(char*, std::size_t);
std::size_t size;
#endif
};
union {
Small _small;
Large _large;
};
};
}}
#endif
#ifdef CORRADE_STRING_STL_COMPATIBILITY
#include <string>
#ifndef Corrade_Containers_StringStl_h
#define Corrade_Containers_StringStl_h
namespace Corrade { namespace Containers { namespace Implementation {
template<> struct
StringConverter<std::string> {
static String from(const std::string& other);
static std::string to(const String& other);
};
template<> struct
StringViewConverter<const char, std::string> {
static StringView from(const std::string& other);
static std::string to(StringView other);
};
template<> struct
StringViewConverter<char, std::string> {
static MutableStringView from(std::string& other);
static std::string to(MutableStringView other);
};
#define CORRADE_STRING_STL_INLINE inline
CORRADE_STRING_STL_INLINE StringView StringViewConverter<const char, std::string>::from(const std::string& other) {
return StringView{other.data(), other.size(), StringViewFlag::NullTerminated};
}
CORRADE_STRING_STL_INLINE std::string StringViewConverter<const char, std::string>::to(StringView other) {
return std::string{other.data(), other.size()};
}
CORRADE_STRING_STL_INLINE MutableStringView StringViewConverter<char, std::string>::from(std::string& other) {
return MutableStringView{&other[0], other.size(), StringViewFlag::NullTerminated};
}
CORRADE_STRING_STL_INLINE std::string StringViewConverter<char, std::string>::to(MutableStringView other) {
return std::string{other.data(), other.size()};
}
CORRADE_STRING_STL_INLINE String StringConverter<std::string>::from(const std::string& other) {
return String{other.data(), other.size()};
}
CORRADE_STRING_STL_INLINE std::string StringConverter<std::string>::to(const String& other) {
return std::string{other.data(), other.size()};
}
}}}
#endif
#endif
#ifdef CORRADE_STRING_STL_VIEW_COMPATIBILITY
#include <string_view>
#ifndef Corrade_Containers_StringStlView_h
#define Corrade_Containers_StringStlView_h
namespace Corrade { namespace Containers { namespace Implementation {
template<> struct StringConverter<std::string_view> {
static String from(std::string_view other) {
return String{other.data(), other.size()};
}
static std::string_view to(const String& other) {
return std::string_view{other.data(), other.size()};
}
};
template<> struct StringViewConverter<const char, std::string_view> {
static StringView from(std::string_view other) {
return StringView{other.data(), other.size()};
}
static std::string_view to(StringView other) {
return std::string_view{other.data(), other.size()};
}
};
template<> struct StringViewConverter<char, std::string_view> {
static std::string_view to(MutableStringView other) {
return std::string_view{other.data(), other.size()};
}
};
}}}
#endif
#endif
#ifdef CORRADE_STRING_IMPLEMENTATION
#include <cstdint>
#include <cstdlib>
#include <cstring>
#if (!defined(CORRADE_ASSERT) || !defined(CORRADE_INTERNAL_ASSERT) || !defined(CORRADE_INTERNAL_ASSERT_UNREACHABLE)) && !defined(NDEBUG)
#include <cassert>
#endif
#ifndef CORRADE_ASSERT
#ifdef NDEBUG
#define CORRADE_ASSERT(condition, message, returnValue) do {} while(false)
#else
#define CORRADE_ASSERT(condition, message, returnValue) assert(condition)
#endif
#endif
#ifndef CORRADE_INTERNAL_ASSERT
#ifdef NDEBUG
#define CORRADE_INTERNAL_ASSERT(condition) do {} while(false)
#else
#define CORRADE_INTERNAL_ASSERT(condition) assert(condition)
#endif
#endif
#ifndef CORRADE_INTERNAL_ASSERT_UNREACHABLE
#ifdef NDEBUG
#ifdef CORRADE_TARGET_GCC