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more strings

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This commit is contained in:
Jarred Sumner
2021-10-16 20:23:37 -07:00
parent 9000165718
commit fd6d93292c
2 changed files with 28 additions and 3 deletions
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29
src/string_immutable.zig
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@@ -268,6 +268,14 @@ pub fn quotedAlloc(allocator: *std.mem.Allocator, self: string) !string {
return out;
}
pub fn eqlAnyComptime(self: string, comptime list: []const string) bool {
inline for (list) |item| {
if (eqlComptimeCheckLen(self, item, true)) return true;
}
return false;
}
pub fn endsWithAnyComptime(self: string, comptime str: string) bool {
if (comptime str.len < 10) {
const last = self[self.len - 1];
@@ -396,14 +404,32 @@ inline fn eqlComptimeCheckLen(self: string, comptime alt: anytype, comptime chec
std.mem.readIntNative(u64, self[8..16]) and
alt[16] == self[16];
},
18 => {
const first = comptime std.mem.readIntNative(u64, alt[0..8]);
const second = comptime std.mem.readIntNative(u64, alt[8..16]);
const third = comptime std.mem.readIntNative(u16, alt[16..18]);
return ((comptime !check_len) or self.len == alt.len) and
first == std.mem.readIntNative(u64, self[0..8]) and second ==
std.mem.readIntNative(u64, self[8..16]) and
std.mem.readIntNative(u16, self[16..18]) == third;
},
23 => {
const first = comptime std.mem.readIntNative(u64, alt[0..8]);
const second = comptime std.mem.readIntNative(u64, alt[8..15]);
const second = comptime std.mem.readIntNative(u64, alt[8..16]);
return ((comptime !check_len) or self.len == alt.len) and
first == std.mem.readIntNative(u64, self[0..8]) and
second == std.mem.readIntNative(u64, self[8..16]) and
eqlComptimeIgnoreLen(self[16..23], comptime alt[16..23]);
},
22 => {
const first = comptime std.mem.readIntNative(u64, alt[0..8]);
const second = comptime std.mem.readIntNative(u64, alt[8..16]);
return ((comptime !check_len) or self.len == alt.len) and
first == std.mem.readIntNative(u64, self[0..8]) and
second == std.mem.readIntNative(u64, self[8..16]) and
eqlComptimeIgnoreLen(self[16..22], comptime alt[16..22]);
},
24 => {
const first = comptime std.mem.readIntNative(u64, alt[0..8]);
const second = comptime std.mem.readIntNative(u64, alt[8..16]);
@@ -668,7 +694,6 @@ pub fn toASCIIHexValue(character: u8) u8 {
}
pub fn utf8ByteSequenceLength(first_byte: u8) u3 {
// The switch is optimized much better than a "smart" approach using @clz
return switch (first_byte) {
0b0000_0000...0b0111_1111 => 1,
0b1100_0000...0b1101_1111 => 2,