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Cleanup C++0x support in irrUString.h (#33)

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Loïc Blot 2021-04-28 10:12:29 +02:00 committed by GitHub
parent 341cdbfe0d
commit 04bc02fc22
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1 changed files with 4 additions and 186 deletions
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190
include/irrUString.h
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@ -30,13 +30,6 @@
#pragma once #pragma once
#if (__cplusplus > 199711L) || (_MSC_VER >= 1600) || defined(__GXX_EXPERIMENTAL_CXX0X__)
# define USTRING_CPP0X
# if defined(__GXX_EXPERIMENTAL_CXX0X__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5)))
# define USTRING_CPP0X_NEWLITERALS
# endif
#endif
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <stdlib.h> #include <stdlib.h>
@ -54,15 +47,11 @@
#include <endian.h> #include <endian.h>
#endif #endif
#ifdef USTRING_CPP0X #include <utility>
# include <utility>
#endif
#ifndef USTRING_NO_STL #include <string>
# include <string> #include <iterator>
# include <iterator> #include <ostream>
# include <ostream>
#endif
#include "irrTypes.h" #include "irrTypes.h"
#include "irrAllocator.h" #include "irrAllocator.h"
@ -85,15 +74,9 @@ namespace irr
{ {
// Define our character types. // Define our character types.
#ifdef USTRING_CPP0X_NEWLITERALS // C++0x
typedef char32_t uchar32_t; typedef char32_t uchar32_t;
typedef char16_t uchar16_t; typedef char16_t uchar16_t;
typedef char uchar8_t; typedef char uchar8_t;
#else
typedef u32 uchar32_t;
typedef u16 uchar16_t;
typedef u8 uchar8_t;
#endif
namespace core namespace core
{ {
@ -448,7 +431,6 @@ public:
//! Iterator to iterate through a UTF-16 string. //! Iterator to iterate through a UTF-16 string.
#ifndef USTRING_NO_STL
class _ustring16_const_iterator : public std::iterator< class _ustring16_const_iterator : public std::iterator<
std::bidirectional_iterator_tag, // iterator_category std::bidirectional_iterator_tag, // iterator_category
access, // value_type access, // value_type
@ -456,9 +438,6 @@ public:
const access, // pointer const access, // pointer
const access // reference const access // reference
> >
#else
class _ustring16_const_iterator
#endif
{ {
public: public:
typedef _ustring16_const_iterator _Iter; typedef _ustring16_const_iterator _Iter;
@ -466,19 +445,11 @@ public:
typedef const access const_pointer; typedef const access const_pointer;
typedef const access const_reference; typedef const access const_reference;
#ifndef USTRING_NO_STL
typedef typename _Base::value_type value_type; typedef typename _Base::value_type value_type;
typedef typename _Base::difference_type difference_type; typedef typename _Base::difference_type difference_type;
typedef typename _Base::difference_type distance_type; typedef typename _Base::difference_type distance_type;
typedef typename _Base::pointer pointer; typedef typename _Base::pointer pointer;
typedef const_reference reference; typedef const_reference reference;
#else
typedef access value_type;
typedef u32 difference_type;
typedef u32 distance_type;
typedef const_pointer pointer;
typedef const_reference reference;
#endif
//! Constructors. //! Constructors.
_ustring16_const_iterator(const _Iter& i) : ref(i.ref), pos(i.pos) {} _ustring16_const_iterator(const _Iter& i) : ref(i.ref), pos(i.pos) {}
@ -854,8 +825,6 @@ public:
*this = other; *this = other;
} }
#ifndef USTRING_NO_STL
//! Constructor from std::string //! Constructor from std::string
template <class B, class A, typename Alloc> template <class B, class A, typename Alloc>
ustring16(const std::basic_string<B, A, Alloc>& other) ustring16(const std::basic_string<B, A, Alloc>& other)
@ -886,39 +855,6 @@ public:
for (; first != last; ++first) for (; first != last; ++first)
append((uchar32_t)*first); append((uchar32_t)*first);
} }
#endif
#ifndef USTRING_CPP0X_NEWLITERALS
//! Constructor for copying a character string from a pointer.
ustring16(const char* const c)
: array(0), allocated(0), used(0)
{
#if __BYTE_ORDER == __BIG_ENDIAN
encoding = unicode::EUTFE_UTF16_BE;
#else
encoding = unicode::EUTFE_UTF16_LE;
#endif
loadDataStream(c, strlen(c));
//append((uchar8_t*)c);
}
//! Constructor for copying a character string from a pointer with a given length.
ustring16(const char* const c, u32 length)
: array(0), allocated(0), used(0)
{
#if __BYTE_ORDER == __BIG_ENDIAN
encoding = unicode::EUTFE_UTF16_BE;
#else
encoding = unicode::EUTFE_UTF16_LE;
#endif
loadDataStream(c, length);
}
#endif
//! Constructor for copying a UTF-8 string from a pointer. //! Constructor for copying a UTF-8 string from a pointer.
ustring16(const uchar8_t* const c) ustring16(const uchar8_t* const c)
@ -1056,7 +992,6 @@ public:
} }
#ifdef USTRING_CPP0X
//! Constructor for moving a ustring16 //! Constructor for moving a ustring16
ustring16(ustring16<TAlloc>&& other) ustring16(ustring16<TAlloc>&& other)
: array(other.array), encoding(other.encoding), allocated(other.allocated), used(other.used) : array(other.array), encoding(other.encoding), allocated(other.allocated), used(other.used)
@ -1066,8 +1001,6 @@ public:
other.allocated = 0; other.allocated = 0;
other.used = 0; other.used = 0;
} }
#endif
//! Destructor //! Destructor
~ustring16() ~ustring16()
@ -1102,8 +1035,6 @@ public:
return *this; return *this;
} }
#ifdef USTRING_CPP0X
//! Move assignment operator //! Move assignment operator
ustring16& operator=(ustring16<TAlloc>&& other) ustring16& operator=(ustring16<TAlloc>&& other)
{ {
@ -1121,8 +1052,6 @@ public:
} }
return *this; return *this;
} }
#endif
//! Assignment operator for other string types //! Assignment operator for other string types
template <class B, class A> template <class B, class A>
@ -2091,7 +2020,6 @@ public:
} }
#ifdef USTRING_CPP0X_NEWLITERALS
//! Appends a number to this ustring16. //! Appends a number to this ustring16.
//! \param c Number to append. //! \param c Number to append.
//! \return A reference to our current string. //! \return A reference to our current string.
@ -2110,7 +2038,6 @@ public:
append(core::stringc(c)); append(core::stringc(c));
return *this; return *this;
} }
#endif
//! Appends a number to this ustring16. //! Appends a number to this ustring16.
@ -2899,47 +2826,6 @@ public:
} }
#ifdef USTRING_CPP0X_NEWLITERALS // C++0x
//! Converts the string to a UTF-16 encoded string.
//! \param endian The desired endianness of the string.
//! \param addBOM If true, the proper unicode byte-order mark will be prefixed to the string.
//! \return A string containing the UTF-16 encoded string.
core::string<char16_t> toUTF16_s(const unicode::EUTF_ENDIAN endian = unicode::EUTFEE_NATIVE, const bool addBOM = false) const
{
core::string<char16_t> ret;
ret.reserve(used + (addBOM ? unicode::BOM_UTF16_LEN : 0) + 1);
// Add the BOM if specified.
if (addBOM)
{
if (endian == unicode::EUTFEE_NATIVE)
ret[0] = unicode::BOM;
else if (endian == unicode::EUTFEE_LITTLE)
{
uchar8_t* ptr8 = reinterpret_cast<uchar8_t*>(&ret[0]);
*ptr8++ = unicode::BOM_ENCODE_UTF16_LE[0];
*ptr8 = unicode::BOM_ENCODE_UTF16_LE[1];
}
else
{
uchar8_t* ptr8 = reinterpret_cast<uchar8_t*>(&ret[0]);
*ptr8++ = unicode::BOM_ENCODE_UTF16_BE[0];
*ptr8 = unicode::BOM_ENCODE_UTF16_BE[1];
}
}
ret.append(array);
if (endian != unicode::EUTFEE_NATIVE && getEndianness() != endian)
{
char16_t* ptr = ret.c_str();
for (u32 i = 0; i < ret.size(); ++i)
*ptr++ = unicode::swapEndian16(*ptr);
}
return ret;
}
#endif
//! Converts the string to a UTF-16 encoded string array. //! Converts the string to a UTF-16 encoded string array.
//! Unfortunately, no toUTF16_s() version exists due to limitations with Irrlicht's string class. //! Unfortunately, no toUTF16_s() version exists due to limitations with Irrlicht's string class.
//! \param endian The desired endianness of the string. //! \param endian The desired endianness of the string.
@ -2982,61 +2868,6 @@ public:
} }
#ifdef USTRING_CPP0X_NEWLITERALS // C++0x
//! Converts the string to a UTF-32 encoded string.
//! \param endian The desired endianness of the string.
//! \param addBOM If true, the proper unicode byte-order mark will be prefixed to the string.
//! \return A string containing the UTF-32 encoded string.
core::string<char32_t> toUTF32_s(const unicode::EUTF_ENDIAN endian = unicode::EUTFEE_NATIVE, const bool addBOM = false) const
{
core::string<char32_t> ret;
ret.reserve(size() + 1 + (addBOM ? unicode::BOM_UTF32_LEN : 0));
const_iterator iter(*this, 0);
// Add the BOM if specified.
if (addBOM)
{
if (endian == unicode::EUTFEE_NATIVE)
ret.append(unicode::BOM);
else
{
union
{
uchar32_t full;
u8 chunk[4];
} t;
if (endian == unicode::EUTFEE_LITTLE)
{
t.chunk[0] = unicode::BOM_ENCODE_UTF32_LE[0];
t.chunk[1] = unicode::BOM_ENCODE_UTF32_LE[1];
t.chunk[2] = unicode::BOM_ENCODE_UTF32_LE[2];
t.chunk[3] = unicode::BOM_ENCODE_UTF32_LE[3];
}
else
{
t.chunk[0] = unicode::BOM_ENCODE_UTF32_BE[0];
t.chunk[1] = unicode::BOM_ENCODE_UTF32_BE[1];
t.chunk[2] = unicode::BOM_ENCODE_UTF32_BE[2];
t.chunk[3] = unicode::BOM_ENCODE_UTF32_BE[3];
}
ret.append(t.full);
}
}
while (!iter.atEnd())
{
uchar32_t c = *iter;
if (endian != unicode::EUTFEE_NATIVE && getEndianness() != endian)
c = unicode::swapEndian32(c);
ret.append(c);
++iter;
}
return ret;
}
#endif
//! Converts the string to a UTF-32 encoded string array. //! Converts the string to a UTF-32 encoded string array.
//! Unfortunately, no toUTF32_s() version exists due to limitations with Irrlicht's string class. //! Unfortunately, no toUTF32_s() version exists due to limitations with Irrlicht's string class.
//! \param endian The desired endianness of the string. //! \param endian The desired endianness of the string.
@ -3371,7 +3202,6 @@ inline ustring16<TAlloc> operator+(const char left, const ustring16<TAlloc>& rig
} }
#ifdef USTRING_CPP0X_NEWLITERALS
//! Appends a ustring16 and a uchar32_t. //! Appends a ustring16 and a uchar32_t.
template <typename TAlloc> template <typename TAlloc>
inline ustring16<TAlloc> operator+(const ustring16<TAlloc>& left, const uchar32_t right) inline ustring16<TAlloc> operator+(const ustring16<TAlloc>& left, const uchar32_t right)
@ -3390,7 +3220,6 @@ inline ustring16<TAlloc> operator+(const uchar32_t left, const ustring16<TAlloc>
ret += right; ret += right;
return ret; return ret;
} }
#endif
//! Appends a ustring16 and a short. //! Appends a ustring16 and a short.
@ -3553,7 +3382,6 @@ inline ustring16<TAlloc> operator+(const double left, const ustring16<TAlloc>& r
} }
#ifdef USTRING_CPP0X
//! Appends two ustring16s. //! Appends two ustring16s.
template <typename TAlloc> template <typename TAlloc>
inline ustring16<TAlloc>&& operator+(const ustring16<TAlloc>& left, ustring16<TAlloc>&& right) inline ustring16<TAlloc>&& operator+(const ustring16<TAlloc>& left, ustring16<TAlloc>&& right)
@ -3671,7 +3499,6 @@ inline ustring16<TAlloc> operator+(const char left, ustring16<TAlloc>&& right)
} }
#ifdef USTRING_CPP0X_NEWLITERALS
//! Appends a ustring16 and a uchar32_t. //! Appends a ustring16 and a uchar32_t.
template <typename TAlloc> template <typename TAlloc>
inline ustring16<TAlloc> operator+(ustring16<TAlloc>&& left, const uchar32_t right) inline ustring16<TAlloc> operator+(ustring16<TAlloc>&& left, const uchar32_t right)
@ -3688,7 +3515,6 @@ inline ustring16<TAlloc> operator+(const uchar32_t left, ustring16<TAlloc>&& rig
right.insert(left, 0); right.insert(left, 0);
return std::move(right); return std::move(right);
} }
#endif
//! Appends a ustring16 and a short. //! Appends a ustring16 and a short.
@ -3833,10 +3659,8 @@ inline ustring16<TAlloc> operator+(const double left, ustring16<TAlloc>&& right)
right.insert(core::stringc(left), 0); right.insert(core::stringc(left), 0);
return std::move(right); return std::move(right);
} }
#endif
#ifndef USTRING_NO_STL
//! Writes a ustring16 to an ostream. //! Writes a ustring16 to an ostream.
template <typename TAlloc> template <typename TAlloc>
inline std::ostream& operator<<(std::ostream& out, const ustring16<TAlloc>& in) inline std::ostream& operator<<(std::ostream& out, const ustring16<TAlloc>& in)
@ -3852,10 +3676,6 @@ inline std::wostream& operator<<(std::wostream& out, const ustring16<TAlloc>& in
out << in.toWCHAR_s().c_str(); out << in.toWCHAR_s().c_str();
return out; return out;
} }
#endif
#ifndef USTRING_NO_STL
namespace unicode namespace unicode
{ {
@ -3885,7 +3705,5 @@ class hash : public std::unary_function<core::ustring, size_t>
} // end namespace unicode } // end namespace unicode
#endif
} // end namespace core } // end namespace core
} // end namespace irr } // end namespace irr