65 lines
3.0 KiB
Rust
65 lines
3.0 KiB
Rust
// Official spec defined code points.
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// See https://infra.spec.whatwg.org/#code-points for spec.
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// Also update gen/tries.json when changing here.
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// 0x09 | 0x0a | 0x0c | 0x0d | 0x20.
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static IS_WHITESPACE: [bool; 256] = [
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false, false, false, false, false, false, false, false, false, true, true, false, true, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false,
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];
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#[inline(always)]
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pub fn is_whitespace(c: u8) -> bool {
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IS_WHITESPACE[c as usize]
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}
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#[inline(always)]
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pub fn is_c0_control(c: u8) -> bool {
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// c >= 0 is always true.
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c <= 0x1f
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}
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#[inline(always)]
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pub fn is_control(c: u8) -> bool {
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is_c0_control(c) || c >= 0x7f && c <= 0x9f
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}
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#[inline(always)]
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pub fn is_digit(c: u8) -> bool {
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c >= b'0' && c <= b'9'
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}
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#[inline(always)]
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pub fn is_upper_hex_digit(c: u8) -> bool {
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is_digit(c) || c >= b'A' && c <= b'F'
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}
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#[inline(always)]
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pub fn is_lower_hex_digit(c: u8) -> bool {
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is_digit(c) || c >= b'a' && c <= b'f'
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}
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#[inline(always)]
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pub fn is_hex_digit(c: u8) -> bool {
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is_upper_hex_digit(c) || is_lower_hex_digit(c)
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}
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#[inline(always)]
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pub fn is_upper_alpha(c: u8) -> bool {
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c >= b'A' && c <= b'Z'
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}
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#[inline(always)]
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pub fn is_lower_alpha(c: u8) -> bool {
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c >= b'a' && c <= b'z'
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}
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#[inline(always)]
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pub fn is_alpha(c: u8) -> bool {
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is_upper_alpha(c) || is_lower_alpha(c)
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}
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#[inline(always)]
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pub fn is_alphanumeric(c: u8) -> bool {
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is_digit(c) || is_alpha(c)
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}
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