Fix error: explicit specialization in non-namespace scope
This commit is contained in:
parent
8d1585f065
commit
9ba3f79667
2 changed files with 240 additions and 228 deletions
|
@ -142,16 +142,86 @@ class wide_string_input_adapter : public input_adapter_protocol
|
|||
template<size_t T>
|
||||
void fill_buffer()
|
||||
{
|
||||
fill_buffer_utf32();
|
||||
wide_string_input_helper<WideStringType, T>::fill_buffer(str, current_wchar, utf8_bytes, utf8_bytes_index, utf8_bytes_filled);
|
||||
}
|
||||
|
||||
template<>
|
||||
void fill_buffer<2>()
|
||||
/// the wstring to process
|
||||
const WideStringType& str;
|
||||
|
||||
/// index of the current wchar in str
|
||||
std::size_t current_wchar = 0;
|
||||
|
||||
/// a buffer for UTF-8 bytes
|
||||
std::array<std::char_traits<char>::int_type, 4> utf8_bytes = {{0, 0, 0, 0}};
|
||||
|
||||
/// index to the utf8_codes array for the next valid byte
|
||||
std::size_t utf8_bytes_index = 0;
|
||||
/// number of valid bytes in the utf8_codes array
|
||||
std::size_t utf8_bytes_filled = 0;
|
||||
};
|
||||
|
||||
namespace
|
||||
{
|
||||
fill_buffer_utf16();
|
||||
}
|
||||
template<typename WideStringType, size_t T>
|
||||
struct wide_string_input_helper
|
||||
{
|
||||
// UTF-32
|
||||
static void fill_buffer(const WideStringType& str, size_t& current_wchar, std::array<std::char_traits<char>::int_type, 4>& utf8_bytes, size_t& utf8_bytes_index, size_t& utf8_bytes_filled)
|
||||
{
|
||||
utf8_bytes_index = 0;
|
||||
|
||||
void fill_buffer_utf16()
|
||||
if (current_wchar == str.size())
|
||||
{
|
||||
utf8_bytes[0] = std::char_traits<char>::eof();
|
||||
utf8_bytes_filled = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
// get the current character
|
||||
const int wc = static_cast<int>(str[current_wchar++]);
|
||||
|
||||
// UTF-32 to UTF-8 encoding
|
||||
if (wc < 0x80)
|
||||
{
|
||||
utf8_bytes[0] = wc;
|
||||
utf8_bytes_filled = 1;
|
||||
}
|
||||
else if (wc <= 0x7FF)
|
||||
{
|
||||
utf8_bytes[0] = 0xC0 | ((wc >> 6) & 0x1F);
|
||||
utf8_bytes[1] = 0x80 | (wc & 0x3F);
|
||||
utf8_bytes_filled = 2;
|
||||
}
|
||||
else if (wc <= 0xFFFF)
|
||||
{
|
||||
utf8_bytes[0] = 0xE0 | ((wc >> 12) & 0x0F);
|
||||
utf8_bytes[1] = 0x80 | ((wc >> 6) & 0x3F);
|
||||
utf8_bytes[2] = 0x80 | (wc & 0x3F);
|
||||
utf8_bytes_filled = 3;
|
||||
}
|
||||
else if (wc <= 0x10FFFF)
|
||||
{
|
||||
utf8_bytes[0] = 0xF0 | ((wc >> 18) & 0x07);
|
||||
utf8_bytes[1] = 0x80 | ((wc >> 12) & 0x3F);
|
||||
utf8_bytes[2] = 0x80 | ((wc >> 6) & 0x3F);
|
||||
utf8_bytes[3] = 0x80 | (wc & 0x3F);
|
||||
utf8_bytes_filled = 4;
|
||||
}
|
||||
else
|
||||
{
|
||||
// unknown character
|
||||
utf8_bytes[0] = wc;
|
||||
utf8_bytes_filled = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
template<typename WideStringType>
|
||||
struct wide_string_input_helper<WideStringType, 2>
|
||||
{
|
||||
// UTF-16
|
||||
static void fill_buffer(const WideStringType& str, size_t& current_wchar, std::array<std::char_traits<char>::int_type, 4>& utf8_bytes, size_t& utf8_bytes_index, size_t& utf8_bytes_filled)
|
||||
{
|
||||
utf8_bytes_index = 0;
|
||||
|
||||
|
@ -206,72 +276,8 @@ class wide_string_input_adapter : public input_adapter_protocol
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
void fill_buffer_utf32()
|
||||
{
|
||||
utf8_bytes_index = 0;
|
||||
|
||||
if (current_wchar == str.size())
|
||||
{
|
||||
utf8_bytes[0] = std::char_traits<char>::eof();
|
||||
utf8_bytes_filled = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
// get the current character
|
||||
const int wc = static_cast<int>(str[current_wchar++]);
|
||||
|
||||
// UTF-32 to UTF-8 encoding
|
||||
if (wc < 0x80)
|
||||
{
|
||||
utf8_bytes[0] = wc;
|
||||
utf8_bytes_filled = 1;
|
||||
}
|
||||
else if (wc <= 0x7FF)
|
||||
{
|
||||
utf8_bytes[0] = 0xC0 | ((wc >> 6) & 0x1F);
|
||||
utf8_bytes[1] = 0x80 | (wc & 0x3F);
|
||||
utf8_bytes_filled = 2;
|
||||
}
|
||||
else if (wc <= 0xFFFF)
|
||||
{
|
||||
utf8_bytes[0] = 0xE0 | ((wc >> 12) & 0x0F);
|
||||
utf8_bytes[1] = 0x80 | ((wc >> 6) & 0x3F);
|
||||
utf8_bytes[2] = 0x80 | (wc & 0x3F);
|
||||
utf8_bytes_filled = 3;
|
||||
}
|
||||
else if (wc <= 0x10FFFF)
|
||||
{
|
||||
utf8_bytes[0] = 0xF0 | ((wc >> 18 ) & 0x07);
|
||||
utf8_bytes[1] = 0x80 | ((wc >> 12) & 0x3F);
|
||||
utf8_bytes[2] = 0x80 | ((wc >> 6) & 0x3F);
|
||||
utf8_bytes[3] = 0x80 | (wc & 0x3F);
|
||||
utf8_bytes_filled = 4;
|
||||
}
|
||||
else
|
||||
{
|
||||
// unknown character
|
||||
utf8_bytes[0] = wc;
|
||||
utf8_bytes_filled = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
/// the wstring to process
|
||||
const WideStringType& str;
|
||||
|
||||
/// index of the current wchar in str
|
||||
std::size_t current_wchar = 0;
|
||||
|
||||
/// a buffer for UTF-8 bytes
|
||||
std::array<std::char_traits<char>::int_type, 4> utf8_bytes = {{0, 0, 0, 0}};
|
||||
|
||||
/// index to the utf8_codes array for the next valid byte
|
||||
std::size_t utf8_bytes_index = 0;
|
||||
/// number of valid bytes in the utf8_codes array
|
||||
std::size_t utf8_bytes_filled = 0;
|
||||
};
|
||||
}
|
||||
|
||||
class input_adapter
|
||||
{
|
||||
|
|
|
@ -2020,16 +2020,86 @@ class wide_string_input_adapter : public input_adapter_protocol
|
|||
template<size_t T>
|
||||
void fill_buffer()
|
||||
{
|
||||
fill_buffer_utf32();
|
||||
wide_string_input_helper<WideStringType, T>::fill_buffer(str, current_wchar, utf8_bytes, utf8_bytes_index, utf8_bytes_filled);
|
||||
}
|
||||
|
||||
template<>
|
||||
void fill_buffer<2>()
|
||||
/// the wstring to process
|
||||
const WideStringType& str;
|
||||
|
||||
/// index of the current wchar in str
|
||||
std::size_t current_wchar = 0;
|
||||
|
||||
/// a buffer for UTF-8 bytes
|
||||
std::array<std::char_traits<char>::int_type, 4> utf8_bytes = {{0, 0, 0, 0}};
|
||||
|
||||
/// index to the utf8_codes array for the next valid byte
|
||||
std::size_t utf8_bytes_index = 0;
|
||||
/// number of valid bytes in the utf8_codes array
|
||||
std::size_t utf8_bytes_filled = 0;
|
||||
};
|
||||
|
||||
namespace
|
||||
{
|
||||
fill_buffer_utf16();
|
||||
}
|
||||
template<typename WideStringType, size_t T>
|
||||
struct wide_string_input_helper
|
||||
{
|
||||
// UTF-32
|
||||
static void fill_buffer(const WideStringType& str, size_t& current_wchar, std::array<std::char_traits<char>::int_type, 4>& utf8_bytes, size_t& utf8_bytes_index, size_t& utf8_bytes_filled)
|
||||
{
|
||||
utf8_bytes_index = 0;
|
||||
|
||||
void fill_buffer_utf16()
|
||||
if (current_wchar == str.size())
|
||||
{
|
||||
utf8_bytes[0] = std::char_traits<char>::eof();
|
||||
utf8_bytes_filled = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
// get the current character
|
||||
const int wc = static_cast<int>(str[current_wchar++]);
|
||||
|
||||
// UTF-32 to UTF-8 encoding
|
||||
if (wc < 0x80)
|
||||
{
|
||||
utf8_bytes[0] = wc;
|
||||
utf8_bytes_filled = 1;
|
||||
}
|
||||
else if (wc <= 0x7FF)
|
||||
{
|
||||
utf8_bytes[0] = 0xC0 | ((wc >> 6) & 0x1F);
|
||||
utf8_bytes[1] = 0x80 | (wc & 0x3F);
|
||||
utf8_bytes_filled = 2;
|
||||
}
|
||||
else if (wc <= 0xFFFF)
|
||||
{
|
||||
utf8_bytes[0] = 0xE0 | ((wc >> 12) & 0x0F);
|
||||
utf8_bytes[1] = 0x80 | ((wc >> 6) & 0x3F);
|
||||
utf8_bytes[2] = 0x80 | (wc & 0x3F);
|
||||
utf8_bytes_filled = 3;
|
||||
}
|
||||
else if (wc <= 0x10FFFF)
|
||||
{
|
||||
utf8_bytes[0] = 0xF0 | ((wc >> 18) & 0x07);
|
||||
utf8_bytes[1] = 0x80 | ((wc >> 12) & 0x3F);
|
||||
utf8_bytes[2] = 0x80 | ((wc >> 6) & 0x3F);
|
||||
utf8_bytes[3] = 0x80 | (wc & 0x3F);
|
||||
utf8_bytes_filled = 4;
|
||||
}
|
||||
else
|
||||
{
|
||||
// unknown character
|
||||
utf8_bytes[0] = wc;
|
||||
utf8_bytes_filled = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
template<typename WideStringType>
|
||||
struct wide_string_input_helper<WideStringType, 2>
|
||||
{
|
||||
// UTF-16
|
||||
static void fill_buffer(const WideStringType& str, size_t& current_wchar, std::array<std::char_traits<char>::int_type, 4>& utf8_bytes, size_t& utf8_bytes_index, size_t& utf8_bytes_filled)
|
||||
{
|
||||
utf8_bytes_index = 0;
|
||||
|
||||
|
@ -2084,72 +2154,8 @@ class wide_string_input_adapter : public input_adapter_protocol
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
void fill_buffer_utf32()
|
||||
{
|
||||
utf8_bytes_index = 0;
|
||||
|
||||
if (current_wchar == str.size())
|
||||
{
|
||||
utf8_bytes[0] = std::char_traits<char>::eof();
|
||||
utf8_bytes_filled = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
// get the current character
|
||||
const int wc = static_cast<int>(str[current_wchar++]);
|
||||
|
||||
// UTF-32 to UTF-8 encoding
|
||||
if (wc < 0x80)
|
||||
{
|
||||
utf8_bytes[0] = wc;
|
||||
utf8_bytes_filled = 1;
|
||||
}
|
||||
else if (wc <= 0x7FF)
|
||||
{
|
||||
utf8_bytes[0] = 0xC0 | ((wc >> 6) & 0x1F);
|
||||
utf8_bytes[1] = 0x80 | (wc & 0x3F);
|
||||
utf8_bytes_filled = 2;
|
||||
}
|
||||
else if (wc <= 0xFFFF)
|
||||
{
|
||||
utf8_bytes[0] = 0xE0 | ((wc >> 12) & 0x0F);
|
||||
utf8_bytes[1] = 0x80 | ((wc >> 6) & 0x3F);
|
||||
utf8_bytes[2] = 0x80 | (wc & 0x3F);
|
||||
utf8_bytes_filled = 3;
|
||||
}
|
||||
else if (wc <= 0x10FFFF)
|
||||
{
|
||||
utf8_bytes[0] = 0xF0 | ((wc >> 18 ) & 0x07);
|
||||
utf8_bytes[1] = 0x80 | ((wc >> 12) & 0x3F);
|
||||
utf8_bytes[2] = 0x80 | ((wc >> 6) & 0x3F);
|
||||
utf8_bytes[3] = 0x80 | (wc & 0x3F);
|
||||
utf8_bytes_filled = 4;
|
||||
}
|
||||
else
|
||||
{
|
||||
// unknown character
|
||||
utf8_bytes[0] = wc;
|
||||
utf8_bytes_filled = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
/// the wstring to process
|
||||
const WideStringType& str;
|
||||
|
||||
/// index of the current wchar in str
|
||||
std::size_t current_wchar = 0;
|
||||
|
||||
/// a buffer for UTF-8 bytes
|
||||
std::array<std::char_traits<char>::int_type, 4> utf8_bytes = {{0, 0, 0, 0}};
|
||||
|
||||
/// index to the utf8_codes array for the next valid byte
|
||||
std::size_t utf8_bytes_index = 0;
|
||||
/// number of valid bytes in the utf8_codes array
|
||||
std::size_t utf8_bytes_filled = 0;
|
||||
};
|
||||
}
|
||||
|
||||
class input_adapter
|
||||
{
|
||||
|
|
Loading…
Reference in a new issue