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Merge pull request #655 from ThisDrunkDane/master

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Add case conversions by @dotbmp
This commit is contained in:
Mikkel Hjortshøj
2020-05-24 12:52:38 +02:00
committed by GitHub
parent cbfbff7240 c035fc337f
commit 732c745bb3
1 changed files with 186 additions and 0 deletions
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core/strings/strings.odin
+186
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@@ -707,6 +707,192 @@ scrub :: proc(s: string, replacement: string, allocator := context.allocator) ->
return to_string(b); return to_string(b);
} }
to_snake_case :: proc(str: string, allocator := context.allocator) -> string {
buf := make_builder(allocator);
last_chars: [2]rune;
for char, _ in str {
switch char {
case 'A'..'Z':
switch last_chars[1] {
case 'a'..'z', '0'..'9':
write_rune(&buf, '_');
case 'A'..'Z':
write_rune(&buf, last_chars[1] + ('a'-'A'));
}
case 'a'..'z':
switch last_chars[1] {
case 'A'..'Z':
switch last_chars[0] {
case 'A'..'Z':
write_rune(&buf, '_');
}
write_rune(&buf, last_chars[1] + ('a'-'A'));
case '0'..'9':
write_rune(&buf, '_');
}
write_rune(&buf, char);
case '0'..'9':
switch last_chars[1] {
case 'A'..'Z':
write_rune(&buf, last_chars[1] + ('a'-'A'));
write_rune(&buf, '_');
case 'a'..'z':
write_rune(&buf, '_');
}
write_rune(&buf, char);
case '_':
switch last_chars[1] {
case 'A'..'Z':
write_rune(&buf, last_chars[1] + ('a'-'A'));
}
write_rune(&buf, char);
case:
unimplemented();
}
last_chars[0] = last_chars[1];
last_chars[1] = char;
}
switch last_chars[1] {
case 'A'..'Z':
write_rune(&buf, last_chars[1] + ('a'-'A'));
}
return to_string(buf);
}
to_ada_case :: proc(str: string, allocator := context.allocator) -> string {
buf := make_builder(allocator);
last_chars: [2]rune;
for char, _ in str {
switch char {
case 'A'..'Z':
switch last_chars[1] {
case 'a'..'z', '0'..'9':
write_rune(&buf, '_');
case 'A'..'Z':
switch last_chars[0] {
case '_', '\x00':
write_rune(&buf, last_chars[1]);
case:
write_rune(&buf, last_chars[1] + ('a'-'A'));
}
}
case 'a'..'z':
switch last_chars[1] {
case 'A'..'Z':
switch last_chars[0] {
case 'A'..'Z':
write_rune(&buf, '_');
write_rune(&buf, last_chars[1]);
case:
write_rune(&buf, last_chars[1]);
}
write_rune(&buf, char);
case '0'..'9':
write_rune(&buf, '_');
write_rune(&buf, char);
case 'a'..'z':
write_rune(&buf, char);
case '_', '\x00':
write_rune(&buf, char - ('a'-'A'));
}
case '0'..'9':
switch last_chars[1] {
case 'A'..'Z':
write_rune(&buf, last_chars[1] + ('a'-'A'));
write_rune(&buf, '_');
case 'a'..'z':
write_rune(&buf, '_');
}
write_rune(&buf, char);
case '_':
switch last_chars[1] {
case 'A'..'Z':
write_rune(&buf, last_chars[1] + ('a'-'A'));
}
write_rune(&buf, char);
case:
write_rune(&buf, char);
}
last_chars[0] = last_chars[1];
last_chars[1] = char;
}
switch last_chars[1] {
case 'A'..'Z':
write_rune(&buf, last_chars[1] + ('a'-'A'));
}
return to_string(buf);
}
to_screaming_snake_case :: proc(str: string, allocator := context.allocator) -> string {
buf := make_builder(allocator);
last_chars: [2]rune;
for char, _ in str {
switch char {
case 'A'..'Z':
switch last_chars[1] {
case 'a'..'z', '0'..'9':
write_rune(&buf, '_');
case 'A'..'Z':
write_rune(&buf, last_chars[1]);
}
case 'a'..'z':
switch last_chars[1] {
case 'A'..'Z':
switch last_chars[0] {
case 'A'..'Z':
write_rune(&buf, '_');
write_rune(&buf, last_chars[1]);
case:
write_rune(&buf, last_chars[1]);
}
write_rune(&buf, char - ('a'-'A'));
case '0'..'9':
write_rune(&buf, '_');
write_rune(&buf, char - ('a'-'A'));
case 'a'..'z':
write_rune(&buf, char - ('a'-'A'));
case '_', '\x00':
write_rune(&buf, char - ('a'-'A'));
}
case '0'..'9':
switch last_chars[1] {
case 'A'..'Z':
write_rune(&buf, last_chars[1]);
write_rune(&buf, '_');
case 'a'..'z':
write_rune(&buf, '_');
}
write_rune(&buf, char);
case '_':
switch last_chars[1] {
case 'A'..'Z':
write_rune(&buf, last_chars[1]);
}
write_rune(&buf, char);
case:
unimplemented();
}
last_chars[0] = last_chars[1];
last_chars[1] = char;
}
switch last_chars[1] {
case 'A'..'Z':
write_rune(&buf, last_chars[1]);
}
return to_string(buf);
}
reverse :: proc(s: string, allocator := context.allocator) -> string { reverse :: proc(s: string, allocator := context.allocator) -> string {
str := s; str := s;