ada::unicode Namespace Reference

Includes the declarations for unicode operations. More...

Functions
ada_really_inline size_t	percent_encode_index (const std::string_view input, const uint8_t character_set[])
constexpr bool	is_tabs_or_newline (char c) noexcept
constexpr uint64_t	broadcast (uint8_t v) noexcept

Variables
static constexpr std::array< uint8_t, 256 >	is_forbidden_host_code_point_table
static constexpr std::array< uint8_t, 256 >	is_forbidden_domain_code_point_table
static constexpr std::array< uint8_t, 256 >	is_forbidden_domain_code_point_table_or_upper
static constexpr std::array< bool, 256 >	is_alnum_plus_table
constexpr std::string_view	table_is_double_dot_path_segment []
static constexpr char	hex_to_binary_table []

Detailed Description

Includes the declarations for unicode operations.

Includes the definitions for unicode operations.

Unicode operations. These functions are not part of our public API and may change at any time.

private

Unicode operations. These functions are not part of our public API and may change at any time.

Function Documentation

broadcast()

uint64_t ada::unicode::broadcast ( uint8_t v )

constexprnoexcept

Definition at line 23 of file unicode.cpp.

is_tabs_or_newline()

bool ada::unicode::is_tabs_or_newline ( char c )

constexprnoexcept

Definition at line 19 of file unicode.cpp.

percent_encode_index()

ada_really_inline size_t ada::unicode::percent_encode_index	(	std::string_view	input,
		const uint8_t	character_set[] )

Returns the index at which percent encoding should start, or (equivalently), the length of the prefix that does not require percent encoding.

Definition at line 19 of file unicode-inl.h.

References ada::character_sets::bit_at().

Referenced by ada::url_aggregator::set_password(), and ada::url_aggregator::set_username().

Variable Documentation

hex_to_binary_table

char ada::unicode::hex_to_binary_table[]

staticconstexpr

Initial value:

= {
    0,  1,  2,  3,  4, 5, 6, 7, 8, 9, 0, 0,  0,  0,  0,  0,  0, 10, 11,
    12, 13, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0,  0,  0,  0,  0,  0, 0,  0,
    0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 10, 11, 12, 13, 14, 15}

Definition at line 345 of file unicode.cpp.

is_alnum_plus_table

std::array<bool, 256> ada::unicode::is_alnum_plus_table

staticconstexpr

Initial value:

= []() consteval {
  std::array<bool, 256> result{};
  for (size_t c = 0; c < 256; c++) {
    result[c] = (c >= '0' && c <= '9') || (c >= 'a' && c <= 'z') ||
                (c >= 'A' && c <= 'Z') || c == '+' || c == '-' || c == '.';
  }
  return result;
}()

Definition at line 254 of file unicode.cpp.

is_forbidden_domain_code_point_table

std::array<uint8_t, 256> ada::unicode::is_forbidden_domain_code_point_table

staticconstexpr

Initial value:

=
    []() consteval {
      std::array<uint8_t, 256> result{};
      for (uint8_t c : {'\0', '\x09', '\x0a', '\x0d', ' ', '#', '/', ':', '<',
                        '>', '?', '@', '[', '\\', ']', '^', '|', '%'}) {
        result[c] = true;
      }
      for (uint8_t c = 0; c <= 32; c++) {
        result[c] = true;
      }
      for (size_t c = 127; c < 255; c++) {
        result[c] = true;
      }
      return result;
    }()

Definition at line 173 of file unicode.cpp.

is_forbidden_domain_code_point_table_or_upper

std::array<uint8_t, 256> ada::unicode::is_forbidden_domain_code_point_table_or_upper

staticconstexpr

Initial value:

= []() consteval {
      std::array<uint8_t, 256> result{};
      for (uint8_t c : {'\0', '\x09', '\x0a', '\x0d', ' ', '#', '/', ':', '<',
                        '>', '?', '@', '[', '\\', ']', '^', '|', '%'}) {
        result[c] = 1;
      }
      for (uint8_t c = 'A'; c <= 'Z'; c++) {
        result[c] = 2;
      }
      for (uint8_t c = 0; c <= 32; c++) {
        result[c] = 1;
      }
      for (size_t c = 127; c < 255; c++) {
        result[c] = 1;
      }
      return result;
    }()

Definition at line 213 of file unicode.cpp.

is_forbidden_host_code_point_table

std::array<uint8_t, 256> ada::unicode::is_forbidden_host_code_point_table

staticconstexpr

Initial value:

=
    []() consteval {
      std::array<uint8_t, 256> result{};
      for (uint8_t c : {'\0', '\x09', '\x0a', '\x0d', ' ', '#', '/', ':', '<',
                        '>', '?', '@', '[', '\\', ']', '^', '|'}) {
        result[c] = true;
      }
      return result;
    }()

Definition at line 158 of file unicode.cpp.

table_is_double_dot_path_segment

std::string_view ada::unicode::table_is_double_dot_path_segment[]

constexpr

Initial value:

= {
    "..", "%2e.", ".%2e", "%2e%2e"}

Definition at line 284 of file unicode.cpp.