diff options
| author | Lucas Perlind <perlindluca@gmail.com> | 2023-03-29 12:18:51 +1100 |
|---|---|---|
| committer | Lucas Perlind <perlindluca@gmail.com> | 2023-03-29 12:19:05 +1100 |
| commit | 84d8798ad3ab35dde121e70569260bbb9cc4a325 (patch) | |
| tree | 04828a5e21f79164264fe0eba4d77f4f5523a3bd /core/strings/strings.odin | |
| parent | ab7e1e01de2d62173b520535d7d87c48eec3f6a6 (diff) | |
Fix website formatting and incorrect examples
Diffstat (limited to 'core/strings/strings.odin')
| -rw-r--r-- | core/strings/strings.odin | 276 |
1 files changed, 183 insertions, 93 deletions
diff --git a/core/strings/strings.odin b/core/strings/strings.odin index 8193f4de1..64a063b7d 100644 --- a/core/strings/strings.odin +++ b/core/strings/strings.odin @@ -16,7 +16,8 @@ Clones a string - allocator: (default: context.allocator) - loc: The caller location for debugging purposes (default: #caller_location) -**Returns** A cloned string +**Returns** +A cloned string */ clone :: proc(s: string, allocator := context.allocator, loc := #caller_location) -> string { c := make([]byte, len(s), allocator, loc) @@ -52,7 +53,8 @@ Clones a string and appends a null-byte to make it a cstring - allocator: (default: context.allocator) - loc: The caller location for debugging purposes (default: #caller_location) -**Returns** A cloned cstring with an appended null-byte +**Returns** +A cloned cstring with an appended null-byte */ clone_to_cstring :: proc(s: string, allocator := context.allocator, loc := #caller_location) -> cstring { c := make([]byte, len(s)+1, allocator, loc) @@ -69,7 +71,8 @@ Transmutes a raw pointer into a string. Non-allocating. NOTE: The created string is only valid as long as the pointer and length are valid. -**Returns** A string created from the byte pointer and length +**Returns** +A string created from the byte pointer and length */ string_from_ptr :: proc(ptr: ^byte, len: int) -> string { return transmute(string)mem.Raw_String{ptr, len} @@ -78,13 +81,14 @@ string_from_ptr :: proc(ptr: ^byte, len: int) -> string { Transmutes a raw pointer (null-terminated) into a string. Non-allocating. Searches for a null-byte from `0..<len`, otherwhise `len` will be the end size NOTE: The created string is only valid as long as the pointer and length are valid. - The string is truncated at the first null-byte encountered. + The string is truncated at the first null-byte encountered. **Inputs** - ptr: A pointer to the start of the null-terminated byte sequence - len: The length of the byte sequence -**Returns** A string created from the null-terminated byte pointer and length +**Returns** +A string created from the null-terminated byte pointer and length */ string_from_null_terminated_ptr :: proc(ptr: ^byte, len: int) -> string { s := transmute(string)mem.Raw_String{ptr, len} @@ -97,7 +101,8 @@ Gets the raw byte pointer for the start of a string `str` **Inputs** - str: The input string -**Returns** A pointer to the start of the string's bytes +**Returns** +A pointer to the start of the string's bytes */ ptr_from_string :: proc(str: string) -> ^byte { d := transmute(mem.Raw_String)str @@ -111,7 +116,8 @@ Converts a string `str` to a cstring WARNING: This is unsafe because the original string may not contain a null-byte. -**Returns** The converted cstring +**Returns** +The converted cstring */ unsafe_string_to_cstring :: proc(str: string) -> cstring { d := transmute(mem.Raw_String)str @@ -126,7 +132,8 @@ Truncates a string `str` at the first occurrence of char/byte `b` NOTE: Failure to find the byte results in returning the entire string. -**Returns** The truncated string +**Returns** +The truncated string */ truncate_to_byte :: proc(str: string, b: byte) -> string { n := index_byte(str, b) @@ -142,7 +149,8 @@ Truncates a string `str` at the first occurrence of rune `r` as a slice of the o - str: The input string - r: The rune to truncate the string at -**Returns** The truncated string +**Returns** +The truncated string */ truncate_to_rune :: proc(str: string, r: rune) -> string { n := index_rune(str, r) @@ -161,7 +169,8 @@ Clones a byte array `s` and appends a null-byte - allocator: (default: context.allocator) - loc: The caller location for debugging purposes (default: `#caller_location`) -**Returns** A cloned string from the byte array with a null-byte +**Returns** +A cloned string from the byte array with a null-byte */ clone_from_bytes :: proc(s: []byte, allocator := context.allocator, loc := #caller_location) -> string { c := make([]byte, len(s)+1, allocator, loc) @@ -179,7 +188,8 @@ Clones a cstring `s` as a string - allocator: (default: context.allocator) - loc: The caller location for debugging purposes (default: `#caller_location`) -**Returns** A cloned string from the cstring +**Returns** +A cloned string from the cstring */ clone_from_cstring :: proc(s: cstring, allocator := context.allocator, loc := #caller_location) -> string { return clone(string(s), allocator, loc) @@ -197,7 +207,8 @@ Clones a string from a byte pointer `ptr` and a byte length `len` NOTE: Same as `string_from_ptr`, but perform an additional `clone` operation -**Returns** A cloned string from the byte pointer and length +**Returns** +A cloned string from the byte pointer and length */ clone_from_ptr :: proc(ptr: ^byte, len: int, allocator := context.allocator, loc := #caller_location) -> string { s := string_from_ptr(ptr, len) @@ -223,7 +234,8 @@ Clones a string from a null-terminated cstring `ptr` and a byte length `len` NOTE: Truncates at the first null-byte encountered or the byte length. -**Returns** A cloned string from the null-terminated cstring and byte length +**Returns** +A cloned string from the null-terminated cstring and byte length */ clone_from_cstring_bounded :: proc(ptr: cstring, len: int, allocator := context.allocator, loc := #caller_location) -> string { s := string_from_ptr((^u8)(ptr), len) @@ -238,7 +250,8 @@ Compares two strings, returning a value representing which one comes first lexic - lhs: First string for comparison - rhs: Second string for comparison -**Returns** -1 if `lhs` comes first, 1 if `rhs` comes first, or 0 if they are equal +**Returns** +-1 if `lhs` comes first, 1 if `rhs` comes first, or 0 if they are equal */ compare :: proc(lhs, rhs: string) -> int { return mem.compare(transmute([]byte)lhs, transmute([]byte)rhs) @@ -250,7 +263,8 @@ Returns the byte offset of the rune `r` in the string `s`, -1 when not found - s: The input string - r: The rune to search for -**Returns** The byte offset of the rune `r` in the string `s`, or -1 if not found +**Returns** +The byte offset of the rune `r` in the string `s`, or -1 if not found */ contains_rune :: proc(s: string, r: rune) -> int { for c, offset in s { @@ -284,7 +298,8 @@ Output: true false -**Returns** `true` if `substr` is contained inside the string `s`, `false` otherwise +**Returns** +`true` if `substr` is contained inside the string `s`, `false` otherwise */ contains :: proc(s, substr: string) -> bool { return index(s, substr) >= 0 @@ -315,7 +330,8 @@ Output: true false -**Returns** `true` if the string `s` contains any of the characters in `chars`, `false` otherwise +**Returns** +`true` if the string `s` contains any of the characters in `chars`, `false` otherwise */ contains_any :: proc(s, chars: string) -> bool { return index_any(s, chars) >= 0 @@ -341,7 +357,8 @@ Output: 4 5 -**Returns** The UTF-8 rune count of the string `s` +**Returns** +The UTF-8 rune count of the string `s` */ rune_count :: proc(s: string) -> int { return utf8.rune_count_in_string(s) @@ -373,7 +390,8 @@ Output: true false -**Returns** `true` if the strings `u` and `v` are the same alpha characters (ignoring case) +**Returns** +`true` if the strings `u` and `v` are the same alpha characters (ignoring case) */ equal_fold :: proc(u, v: string) -> bool { s, t := u, v @@ -443,7 +461,8 @@ Output: 2 0 -**Returns** The prefix length common between strings `a` and `b` +**Returns** +The prefix length common between strings `a` and `b` */ prefix_length :: proc(a, b: string) -> (n: int) { _len := min(len(a), len(b)) @@ -494,7 +513,8 @@ Output: true false -**Returns** `true` if the string `s` starts with the `prefix`, otherwise `false` +**Returns** +`true` if the string `s` starts with the `prefix`, otherwise `false` */ has_prefix :: proc(s, prefix: string) -> bool { return len(s) >= len(prefix) && s[0:len(prefix)] == prefix @@ -523,7 +543,8 @@ Output: - s: The string to check for the `suffix` - suffix: The suffix to look for -**Returns** `true` if the string `s` ends with the `suffix`, otherwise `false` +**Returns** +`true` if the string `s` ends with the `suffix`, otherwise `false` */ has_suffix :: proc(s, suffix: string) -> bool { return len(s) >= len(suffix) && s[len(s)-len(suffix):] == suffix @@ -556,7 +577,8 @@ Output: - sep: The separator string - allocator: (default is context.allocator) -**Returns** A combined string from the slice of strings `a` separated with the `sep` string +**Returns** +A combined string from the slice of strings `a` separated with the `sep` string */ join :: proc(a: []string, sep: string, allocator := context.allocator) -> string { if len(a) == 0 { @@ -631,7 +653,8 @@ Output: abc -**Returns** The concatenated string +**Returns** +The concatenated string */ concatenate :: proc(a: []string, allocator := context.allocator) -> string { if len(a) == 0 { @@ -658,7 +681,8 @@ Returns a combined string from the slice of strings `a` without a separator, or - a: A slice of strings to concatenate - allocator: (default is context.allocator) -**Returns** The concatenated string, and an error if allocation fails +**Returns** +The concatenated string, and an error if allocation fails */ concatenate_safe :: proc(a: []string, allocator := context.allocator) -> (res: string, err: mem.Allocator_Error) { if len(a) == 0 { @@ -693,9 +717,9 @@ Example: import "core:strings" strings_cut_example :: proc() { - strings.cut("some example text", 0, 4) // -> "some" - strings.cut("some example text", 2, 2) // -> "me" - strings.cut("some example text", 5, 7) // -> "example" + fmt.println(strings.cut("some example text", 0, 4)) // -> "some" + fmt.println(strings.cut("some example text", 2, 2)) // -> "me" + fmt.println(strings.cut("some example text", 5, 7)) // -> "example" } Output: @@ -704,7 +728,8 @@ Output: me example -**Returns** The substring +**Returns** +The substring */ cut :: proc(s: string, rune_offset := int(0), rune_length := int(0), allocator := context.allocator) -> (res: string) { s := s; rune_length := rune_length @@ -773,7 +798,8 @@ Splits the input string `s` into a slice of substrings separated by the specifie NOTE: Allocation occurs for the array, the splits are all views of the original string. -**Returns** A slice of substrings +**Returns** +A slice of substrings */ @private _split :: proc(s_, sep: string, sep_save, n_: int, allocator := context.allocator) -> []string { @@ -913,7 +939,8 @@ Output: NOTE: Allocation occurs for the array, the splits are all views of the original string. -**Returns** A slice of strings, each representing a part of the split string after the separator. +**Returns** +A slice of strings, each representing a part of the split string after the separator. */ split_after :: proc(s, sep: string, allocator := context.allocator) -> []string { return _split(s, sep, len(sep), -1, allocator) @@ -946,7 +973,8 @@ Output: NOTE: Allocation occurs for the array, the splits are all views of the original string. -**Returns** A slice of strings with `n` parts or fewer if there weren't +**Returns** +A slice of strings with `n` parts or fewer if there weren't */ split_after_n :: proc(s, sep: string, n: int, allocator := context.allocator) -> []string { return _split(s, sep, len(sep), n, allocator) @@ -962,7 +990,8 @@ up to (but not including) the separator, as well as a boolean indicating success - sep: The separator string to search for. - sep_save: Number of characters from the separator to include in the result. -**Returns** A tuple containing the resulting substring and a boolean indicating success. +**Returns** +A tuple containing the resulting substring and a boolean indicating success. */ @private _split_iterator :: proc(s: ^string, sep: string, sep_save: int) -> (res: string, ok: bool) { @@ -1018,7 +1047,8 @@ Output: d e -**Returns** A tuple containing the resulting substring and a boolean indicating success. +**Returns** +A tuple containing the resulting substring and a boolean indicating success. */ split_by_byte_iterator :: proc(s: ^string, sep: u8) -> (res: string, ok: bool) { m := index_byte(s^, sep) @@ -1062,7 +1092,8 @@ Output: d e -**Returns** A tuple containing the resulting substring and a boolean indicating success. +**Returns** +A tuple containing the resulting substring and a boolean indicating success. */ split_iterator :: proc(s: ^string, sep: string) -> (string, bool) { return _split_iterator(s, sep, 0) @@ -1095,7 +1126,8 @@ Output: d. e -**Returns** A tuple containing the resulting substring and a boolean indicating success. +**Returns** +A tuple containing the resulting substring and a boolean indicating success. */ split_after_iterator :: proc(s: ^string, sep: string) -> (string, bool) { return _split_iterator(s, sep, len(sep)) @@ -1108,7 +1140,8 @@ Trims the carriage return character from the end of the input string. **Inputs** - s: The input string to trim. -**Returns** The trimmed string as a slice of the original. +**Returns** +The trimmed string as a slice of the original. */ @(private) _trim_cr :: proc(s: string) -> string { @@ -1144,7 +1177,8 @@ Output: ["a", "b", "c", "d", "e"] -**Returns** A slice (allocated) of the split string (slices into original string) +**Returns** +A slice (allocated) of the split string (slices into original string) */ split_lines :: proc(s: string, allocator := context.allocator) -> []string { sep :: "\n" @@ -1181,7 +1215,8 @@ Output: NOTE: Allocation occurs for the array, the splits are all views of the original string. -**Returns** A slice (allocated) of the split string (slices into original string) +**Returns** +A slice (allocated) of the split string (slices into original string) */ split_lines_n :: proc(s: string, n: int, allocator := context.allocator) -> []string { sep :: "\n" @@ -1217,7 +1252,8 @@ Output: NOTE: Allocation occurs for the array, the splits are all views of the original string. -**Returns** A slice (allocated) of the split string (slices into original string), with `\n` included. +**Returns** +A slice (allocated) of the split string (slices into original string), with `\n` included. */ split_lines_after :: proc(s: string, allocator := context.allocator) -> []string { sep :: "\n" @@ -1255,7 +1291,8 @@ Output: NOTE: Allocation occurs for the array, the splits are all views of the original string. -**Returns** A slice (allocated) of the split string (slices into original string), with `\n` included. +**Returns** +A slice (allocated) of the split string (slices into original string), with `\n` included. */ split_lines_after_n :: proc(s: string, n: int, allocator := context.allocator) -> []string { sep :: "\n" @@ -1282,13 +1319,15 @@ Example: for str in strings.split_lines_iterator(&text) { fmt.print(str) // every loop -> a b c d e } + fmt.print("\n") } Output: abcde -**Returns** A tuple containing the resulting substring and a boolean indicating success. +**Returns** +A tuple containing the resulting substring and a boolean indicating success. */ split_lines_iterator :: proc(s: ^string) -> (line: string, ok: bool) { sep :: "\n" @@ -1308,7 +1347,7 @@ Example: import "core:strings" strings_split_lines_after_iterator_example :: proc() { - text := "a\nb\nc\nd\ne" + text := "a\nb\nc\nd\ne\n" for str in strings.split_lines_after_iterator(&text) { fmt.print(str) // every loop -> a\n b\n c\n d\n e\n } @@ -1322,7 +1361,8 @@ Output: d e -**Returns** A tuple containing the resulting substring with line breaks included and a boolean indicating success. +**Returns** +A tuple containing the resulting substring with line breaks included and a boolean indicating success. */ split_lines_after_iterator :: proc(s: ^string) -> (line: string, ok: bool) { sep :: "\n" @@ -1356,7 +1396,8 @@ Output: -1 -1 -**Returns** The byte offset of the first occurrence of `c` in `s`, or -1 if not found. +**Returns** +The byte offset of the first occurrence of `c` in `s`, or -1 if not found. */ index_byte :: proc(s: string, c: byte) -> int { for i := 0; i < len(s); i += 1 { @@ -1389,7 +1430,8 @@ Output: -1 -1 -**Returns** The byte offset of the last occurrence of `c` in `s`, or -1 if not found. +**Returns** +The byte offset of the last occurrence of `c` in `s`, or -1 if not found. */ last_index_byte :: proc(s: string, c: byte) -> int { for i := len(s)-1; i >= 0; i -= 1 { @@ -1425,11 +1467,13 @@ Output: 0 1 2 + 3 5 6 7 -**Returns** The byte offset of the first occurrence of `r` in `s`, or -1 if not found. +**Returns** +The byte offset of the first occurrence of `r` in `s`, or -1 if not found. */ index_rune :: proc(s: string, r: rune) -> int { switch { @@ -1475,7 +1519,8 @@ Output: 2 -1 -**Returns** The byte offset of the first occurrence of `substr` in `s`, or -1 if not found. +**Returns** +The byte offset of the first occurrence of `substr` in `s`, or -1 if not found. */ index :: proc(s, substr: string) -> int { hash_str_rabin_karp :: proc(s: string) -> (hash: u32 = 0, pow: u32 = 1) { @@ -1548,7 +1593,8 @@ Output: 2 -1 -**Returns** The byte offset of the last occurrence of `substr` in `s`, or -1 if not found. +**Returns** +The byte offset of the last occurrence of `substr` in `s`, or -1 if not found. */ last_index :: proc(s, substr: string) -> int { hash_str_rabin_karp_reverse :: proc(s: string) -> (hash: u32 = 0, pow: u32 = 1) { @@ -1621,7 +1667,8 @@ Output: 0 -1 -**Returns** The index of the first character of `chars` found in `s`, or -1 if not found. +**Returns** +The index of the first character of `chars` found in `s`, or -1 if not found. */ index_any :: proc(s, chars: string) -> int { if chars == "" { @@ -1682,7 +1729,8 @@ Output: 3 -1 -**Returns** The index of the last matching character, or -1 if not found +**Returns** +The index of the last matching character, or -1 if not found */ last_index_any :: proc(s, chars: string) -> int { if chars == "" { @@ -1739,7 +1787,8 @@ Finds the first occurrence of any substring in `substrs` within `s` - s: The string to search in - substrs: The substrings to look for -**Returns** A tuple containing the index of the first matching substring, and its length (width) +**Returns** +A tuple containing the index of the first matching substring, and its length (width) */ index_multi :: proc(s: string, substrs: []string) -> (idx: int, width: int) { idx = -1 @@ -1798,7 +1847,8 @@ Output: 1 0 -**Returns** The number of occurrences of `substr` in `s`, returns the rune_count + 1 of the string `s` on empty `substr` +**Returns** +The number of occurrences of `substr` in `s`, returns the rune_count + 1 of the string `s` on empty `substr` */ count :: proc(s, substr: string) -> int { if len(substr) == 0 { // special case @@ -1859,7 +1909,8 @@ Output: abcabc -**Returns** The concatenated repeated string +**Returns** +The concatenated repeated string */ repeat :: proc(s: string, count: int, allocator := context.allocator) -> string { if count < 0 { @@ -1904,7 +1955,8 @@ Output: xyzxyz false zzzz true -**Returns** A tuple containing the modified string and a boolean indicating if an allocation occurred during the replacement +**Returns** +A tuple containing the modified string and a boolean indicating if an allocation occurred during the replacement */ replace_all :: proc(s, old, new: string, allocator := context.allocator) -> (output: string, was_allocation: bool) { return replace(s, old, new, -1, allocator) @@ -1940,7 +1992,8 @@ Output: xyzxyz false zzzz true -**Returns** A tuple containing the modified string and a boolean indicating if an allocation occurred during the replacement +**Returns** +A tuple containing the modified string and a boolean indicating if an allocation occurred during the replacement */ replace :: proc(s, old, new: string, n: int, allocator := context.allocator) -> (output: string, was_allocation: bool) { if old == new || n == 0 { @@ -2007,11 +2060,12 @@ Example: Output: abc true - true + true bcbc true abcabc false -**Returns** A tuple containing the modified string and a boolean indicating if an allocation occurred during the removal +**Returns** +A tuple containing the modified string and a boolean indicating if an allocation occurred during the removal */ remove :: proc(s, key: string, n: int, allocator := context.allocator) -> (output: string, was_allocation: bool) { return replace(s, key, "", n, allocator) @@ -2043,7 +2097,8 @@ Output: bcbc true abcabc false -**Returns** A tuple containing the modified string and a boolean indicating if an allocation occurred during the removal +**Returns** +A tuple containing the modified string and a boolean indicating if an allocation occurred during the removal */ remove_all :: proc(s, key: string, allocator := context.allocator) -> (output: string, was_allocation: bool) { return remove(s, key, -1, allocator) @@ -2112,7 +2167,8 @@ Output: 1 -1 -**Returns** The index of the first matching rune, or -1 if no match was found +**Returns** +The index of the first matching rune, or -1 if no match was found */ index_proc :: proc(s: string, p: proc(rune) -> bool, truth := true) -> int { for r, i in s { @@ -2169,16 +2225,17 @@ Example: strings_trim_left_proc_example :: proc() { find :: proc(r: rune) -> bool { - return r != 'i' + return r == 'x' } - strings.trim_left_proc("testing", find) + fmt.println(strings.trim_left_proc("xxxxxxtesting", find)) } Output: - ing + testing -**Returns** The trimmed string as a slice of the original +**Returns** +The trimmed string as a slice of the original */ trim_left_proc :: proc(s: string, p: proc(rune) -> bool) -> string { i := index_proc(s, p, false) @@ -2195,7 +2252,8 @@ Trims the input string `s` from the left until the procedure `p` with state retu - p: A procedure that takes a raw pointer and a rune and returns a boolean - state: The raw pointer to be passed to the procedure `p` -**Returns** The trimmed string as a slice of the original +**Returns** +The trimmed string as a slice of the original */ trim_left_proc_with_state :: proc(s: string, p: proc(rawptr, rune) -> bool, state: rawptr) -> string { i := index_proc_with_state(s, p, state, false) @@ -2227,7 +2285,8 @@ Output: test -**Returns** The trimmed string as a slice of the original +**Returns** +The trimmed string as a slice of the original */ trim_right_proc :: proc(s: string, p: proc(rune) -> bool) -> string { i := last_index_proc(s, p, false) @@ -2247,7 +2306,8 @@ Trims the input string `s` from the right until the procedure `p` with state ret - p: A procedure that takes a raw pointer and a rune and returns a boolean - state: The raw pointer to be passed to the procedure `p` -**Returns** The trimmed string as a slice of the original, empty when no match +**Returns** +The trimmed string as a slice of the original, empty when no match */ trim_right_proc_with_state :: proc(s: string, p: proc(rawptr, rune) -> bool, state: rawptr) -> string { i := last_index_proc_with_state(s, p, state, false) @@ -2279,7 +2339,8 @@ Trims the cutset string from the `s` string - s: The input string - cutset: The set of characters to be trimmed from the left of the input string -**Returns** The trimmed string as a slice of the original +**Returns** +The trimmed string as a slice of the original */ trim_left :: proc(s: string, cutset: string) -> string { if s == "" || cutset == "" { @@ -2295,7 +2356,8 @@ Trims the cutset string from the `s` string from the right - s: The input string - cutset: The set of characters to be trimmed from the right of the input string -**Returns** The trimmed string as a slice of the original +**Returns** +The trimmed string as a slice of the original */ trim_right :: proc(s: string, cutset: string) -> string { if s == "" || cutset == "" { @@ -2311,7 +2373,8 @@ Trims the cutset string from the `s` string, both from left and right - s: The input string - cutset: The set of characters to be trimmed from both sides of the input string -**Returns** The trimmed string as a slice of the original +**Returns** +The trimmed string as a slice of the original */ trim :: proc(s: string, cutset: string) -> string { return trim_right(trim_left(s, cutset), cutset) @@ -2322,7 +2385,8 @@ Trims until a valid non-space rune from the left, "\t\txyz\t\t" -> "xyz\t\t" **Inputs** - s: The input string -**Returns** The trimmed string as a slice of the original +**Returns** +The trimmed string as a slice of the original */ trim_left_space :: proc(s: string) -> string { return trim_left_proc(s, is_space) @@ -2333,7 +2397,8 @@ Trims from the right until a valid non-space rune, "\t\txyz\t\t" -> "\t\txyz" **Inputs** - s: The input string -**Returns** The trimmed string as a slice of the original +**Returns** +The trimmed string as a slice of the original */ trim_right_space :: proc(s: string) -> string { return trim_right_proc(s, is_space) @@ -2344,7 +2409,8 @@ Trims from both sides until a valid non-space rune, "\t\txyz\t\t" -> "xyz" **Inputs** - s: The input string -**Returns** The trimmed string as a slice of the original +**Returns** +The trimmed string as a slice of the original */ trim_space :: proc(s: string) -> string { return trim_right_space(trim_left_space(s)) @@ -2355,7 +2421,8 @@ Trims null runes from the left, "\x00\x00testing\x00\x00" -> "testing\x00\x00" **Inputs** - s: The input string -**Returns** The trimmed string as a slice of the original +**Returns** +The trimmed string as a slice of the original */ trim_left_null :: proc(s: string) -> string { return trim_left_proc(s, is_null) @@ -2366,7 +2433,8 @@ Trims null runes from the right, "\x00\x00testing\x00\x00" -> "\x00\x00testing" **Inputs** - s: The input string -**Returns** The trimmed string as a slice of the original +**Returns** +The trimmed string as a slice of the original */ trim_right_null :: proc(s: string) -> string { return trim_right_proc(s, is_null) @@ -2376,7 +2444,8 @@ Trims null runes from both sides, "\x00\x00testing\x00\x00" -> "testing" **Inputs** - s: The input string -**Returns** The trimmed string as a slice of the original +**Returns** +The trimmed string as a slice of the original */ trim_null :: proc(s: string) -> string { return trim_right_null(trim_left_null(s)) @@ -2403,7 +2472,8 @@ Output: ing testing -**Returns** The trimmed string as a slice of original, or the input string if no prefix was found +**Returns** +The trimmed string as a slice of original, or the input string if no prefix was found */ trim_prefix :: proc(s, prefix: string) -> string { if has_prefix(s, prefix) { @@ -2433,7 +2503,8 @@ Output: todo todo.doc -**Returns** The trimmed string as a slice of original, or the input string if no suffix was found +**Returns** +The trimmed string as a slice of original, or the input string if no suffix was found */ trim_suffix :: proc(s, suffix: string) -> string { if has_suffix(s, suffix) { @@ -2468,7 +2539,8 @@ Output: ["testing", "this", "out", "nice", "done", "last"] -**Returns** An array of strings, or nil on empty substring or no matches +**Returns** +An array of strings, or nil on empty substring or no matches */ split_multi :: proc(s: string, substrs: []string, allocator := context.allocator) -> []string #no_bounds_check { if s == "" || len(substrs) <= 0 { @@ -2539,7 +2611,8 @@ Output: done last -**Returns** A tuple containing the split string and a boolean indicating success or failure +**Returns** +A tuple containing the split string and a boolean indicating success or failure */ split_multi_iterate :: proc(it: ^string, substrs: []string) -> (res: string, ok: bool) #no_bounds_check { if it == nil || len(it) == 0 || len(substrs) <= 0 { @@ -2590,7 +2663,8 @@ Output: Hello? -**Returns** A new string with invalid UTF-8 characters replaced +**Returns** +A new string with invalid UTF-8 characters replaced */ scrub :: proc(s: string, replacement: string, allocator := context.allocator) -> string { str := s @@ -2647,7 +2721,8 @@ Output: abcxyz zyxcba -**Returns** A reversed version of the input string +**Returns** +A reversed version of the input string */ reverse :: proc(s: string, allocator := context.allocator) -> string { str := s @@ -2689,7 +2764,8 @@ Output: WARNING: Panics if tab_size <= 0 -**Returns** A new string with tab characters expanded to the specified tab size +**Returns** +A new string with tab characters expanded to the specified tab size */ expand_tabs :: proc(s: string, tab_size: int, allocator := context.allocator) -> string { if tab_size <= 0 { @@ -2746,9 +2822,14 @@ Example: strings_partition_example :: proc() { text := "testing this out" - strings.partition(text, " this ") // -> head: "testing", match: " this ", tail: "out" - strings.partition(text, "hi") // -> head: "testing t", match: "hi", tail: "s out" - strings.partition(text, "xyz") // -> head: "testing this out", match: "", tail: "" + head, match, tail := strings.partition(text, " this ") // -> head: "testing", match: " this ", tail: "out" + fmt.println(head, match, tail) + head, match, tail = strings.partition(text, "hi") // -> head: "testing t", match: "hi", tail: "s out" + fmt.println(head, match, tail) + head, match, tail = strings.partition(text, "xyz") // -> head: "testing this out", match: "", tail: "" + fmt.println(head) + fmt.println(match == "") + fmt.println(tail == "") } Output: @@ -2756,8 +2837,11 @@ Output: testing this out testing t hi s out testing this out + true + true -**Returns** A tuple with `head` (before the split), `match` (the separator), and `tail` (the end of the split) strings +**Returns** +A tuple with `head` (before the split), `match` (the separator), and `tail` (the end of the split) strings */ partition :: proc(str, sep: string) -> (head, match, tail: string) { i := index(str, sep) @@ -2784,7 +2868,8 @@ Centers the input string within a field of specified length by adding pad string - pad: The string used for padding on both sides - allocator: (default is context.allocator) -**Returns** A new string centered within a field of the specified length +**Returns** +A new string centered within a field of the specified length */ centre_justify :: proc(str: string, length: int, pad: string, allocator := context.allocator) -> string { n := rune_count(str) @@ -2818,7 +2903,8 @@ Left-justifies the input string within a field of specified length by adding pad - pad: The string used for padding on the right side - allocator: (default is context.allocator) -**Returns** A new string left-justified within a field of the specified length +**Returns** +A new string left-justified within a field of the specified length */ left_justify :: proc(str: string, length: int, pad: string, allocator := context.allocator) -> string { n := rune_count(str) @@ -2851,7 +2937,8 @@ Right-justifies the input string within a field of specified length by adding pa - pad: The string used for padding on the left side - allocator: (default is context.allocator) -**Returns** A new string right-justified within a field of the specified length +**Returns** +A new string right-justified within a field of the specified length */ right_justify :: proc(str: string, length: int, pad: string, allocator := context.allocator) -> string { n := rune_count(str) @@ -2908,7 +2995,8 @@ Splits a string into a slice of substrings at each instance of one or more conse - s: The input string - allocator: (default is context.allocator) -**Returns** A slice of substrings of the input string, or an empty slice if the input string only contains white space +**Returns** +A slice of substrings of the input string, or an empty slice if the input string only contains white space */ fields :: proc(s: string, allocator := context.allocator) -> []string #no_bounds_check { n := 0 @@ -2970,7 +3058,8 @@ Splits a string into a slice of substrings at each run of unicode code points `r NOTE: fields_proc makes no guarantee about the order in which it calls `f(r)`, it assumes that `f` always returns the same value for a given `r` -**Returns** A slice of substrings of the input string, or an empty slice if all code points in the input string satisfy the predicate or if the input string is empty +**Returns** +A slice of substrings of the input string, or an empty slice if all code points in the input string satisfy the predicate or if the input string is empty */ fields_proc :: proc(s: string, f: proc(rune) -> bool, allocator := context.allocator) -> []string #no_bounds_check { substrings := make([dynamic]string, 0, 32, allocator) @@ -3047,7 +3136,8 @@ NOTE: Does not perform internal allocation if length of string `b`, in runes, is - a, b: The two strings to compare - allocator: (default is context.allocator) -**Returns** The Levenshtein edit distance between the two strings +**Returns** +The Levenshtein edit distance between the two strings NOTE: This implementation is a single-row-version of the Wagner–Fischer algorithm, based on C code by Martin Ettl. */ |