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AK: Add CharacterTypes::is_ascii_base36_digit()

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This can be used to validate the string passed to
`parse_ascii_base36_digit()`.
This commit is contained in:
Tim Ledbetter 2024-01-12 21:34:22 +00:00 • committed by Andrew Kaster
parent bbdbd71439
commit 65827826fe
2 changed files with 17 additions and 0 deletions
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6
AK/CharacterTypes.h
View file

@ -45,6 +45,11 @@ constexpr bool is_ascii_alphanumeric(u32 code_point)
return is_ascii_alpha(code_point) || is_ascii_digit(code_point); return is_ascii_alpha(code_point) || is_ascii_digit(code_point);
} }
constexpr bool is_ascii_base36_digit(u32 code_point)
{
return is_ascii_digit(code_point) || (code_point >= 'A' && code_point <= 'Z') || (code_point >= 'a' && code_point <= 'z');
}
constexpr bool is_ascii_binary_digit(u32 code_point) constexpr bool is_ascii_binary_digit(u32 code_point)
{ {
return code_point == '0' || code_point == '1'; return code_point == '0' || code_point == '1';
@ -176,6 +181,7 @@ constexpr u32 to_ascii_base36_digit(u32 digit)
using AK::is_ascii; using AK::is_ascii;
using AK::is_ascii_alpha; using AK::is_ascii_alpha;
using AK::is_ascii_alphanumeric; using AK::is_ascii_alphanumeric;
using AK::is_ascii_base36_digit;
using AK::is_ascii_binary_digit; using AK::is_ascii_binary_digit;
using AK::is_ascii_blank; using AK::is_ascii_blank;
using AK::is_ascii_c0_control; using AK::is_ascii_c0_control;

11
Tests/AK/TestCharacterTypes.cpp
View file

@ -67,6 +67,17 @@ TEST_CASE(is_ascii_alphanumeric)
compare_bool_output_over(ASCII, isalnum, is_ascii_alphanumeric); compare_bool_output_over(ASCII, isalnum, is_ascii_alphanumeric);
} }
TEST_CASE(is_ascii_base36_digit)
{
constexpr Array valid_base36_digits { '0', '9', 'A', 'Z', 'a', 'z' };
for (auto valid_base36_digit : valid_base36_digits)
EXPECT_EQ(is_ascii_base36_digit(valid_base36_digit), true);
constexpr Array invalid_base36_digits { '/', ':', '@', '[', '`', '{' };
for (auto invalid_base36_digit : invalid_base36_digits)
EXPECT_EQ(is_ascii_base36_digit(invalid_base36_digit), false);
}
TEST_CASE(is_ascii_blank) TEST_CASE(is_ascii_blank)
{ {
compare_bool_output_over(ASCII, isblank, is_ascii_blank); compare_bool_output_over(ASCII, isblank, is_ascii_blank);