diff options
| author | gingerBill <bill@gingerbill.org> | 2022-03-18 23:32:37 +0000 |
|---|---|---|
| committer | gingerBill <bill@gingerbill.org> | 2022-03-18 23:32:37 +0000 |
| commit | ae6441182de5185812b9e5558b08ccaa3a877cdc (patch) | |
| tree | 145f4b91250d598047d8c397dd26efffcba8c3b4 | |
| parent | a68f0b2d72a3883879da124321868afcdac3b9d6 (diff) | |
Add `core:unicode/utf8/utf8string` to `examples/all`
| -rw-r--r-- | core/unicode/utf8/utf8string/string.odin | 120 | ||||
| -rw-r--r-- | examples/all/all_main.odin | 2 |
2 files changed, 62 insertions, 60 deletions
diff --git a/core/unicode/utf8/utf8string/string.odin b/core/unicode/utf8/utf8string/string.odin index 23e2eefc6..86267defb 100644 --- a/core/unicode/utf8/utf8string/string.odin +++ b/core/unicode/utf8/utf8string/string.odin @@ -16,140 +16,140 @@ String :: struct { } @(private) -_len :: builtin.len; // helper procedure +_len :: builtin.len // helper procedure init :: proc(s: ^String, contents: string) -> ^String { - s.contents = contents; - s.byte_pos = 0; - s.rune_pos = 0; + s.contents = contents + s.byte_pos = 0 + s.rune_pos = 0 for i in 0..<_len(contents) { if contents[i] >= utf8.RUNE_SELF { - s.rune_count = utf8.rune_count_in_string(contents); - _, s.width = utf8.decode_rune_in_string(contents); - s.non_ascii = i; - return s; + s.rune_count = utf8.rune_count_in_string(contents) + _, s.width = utf8.decode_rune_in_string(contents) + s.non_ascii = i + return s } } - s.rune_count = _len(contents); - s.width = 0; - s.non_ascii = _len(contents); - return s; + s.rune_count = _len(contents) + s.width = 0 + s.non_ascii = _len(contents) + return s } to_string :: proc(s: ^String) -> string { - return s.contents; + return s.contents } len :: proc(s: ^String) -> int { - return s.rune_count; + return s.rune_count } is_ascii :: proc(s: ^String) -> bool { - return s.width == 0; + return s.width == 0 } at :: proc(s: ^String, i: int, loc := #caller_location) -> (r: rune) { - runtime.bounds_check_error_loc(loc, i, s.rune_count); + runtime.bounds_check_error_loc(loc, i, s.rune_count) if i < s.non_ascii { - return rune(s.contents[i]); + return rune(s.contents[i]) } switch i { case 0: - r, s.width = utf8.decode_rune_in_string(s.contents); - s.rune_pos = 0; - s.byte_pos = 0; - return; + r, s.width = utf8.decode_rune_in_string(s.contents) + s.rune_pos = 0 + s.byte_pos = 0 + return case s.rune_count-1: - r, s.width = utf8.decode_rune_in_string(s.contents); - s.rune_pos = i; - s.byte_pos = _len(s.contents) - s.width; - return; + r, s.width = utf8.decode_rune_in_string(s.contents) + s.rune_pos = i + s.byte_pos = _len(s.contents) - s.width + return case s.rune_pos-1: - r, s.width = utf8.decode_rune_in_string(s.contents[0:s.byte_pos]); - s.rune_pos = i; - s.byte_pos -= s.width; - return; + r, s.width = utf8.decode_rune_in_string(s.contents[0:s.byte_pos]) + s.rune_pos = i + s.byte_pos -= s.width + return case s.rune_pos+1: - s.rune_pos = i; - s.byte_pos += s.width; - fallthrough; + s.rune_pos = i + s.byte_pos += s.width + fallthrough case s.rune_pos: - r, s.width = utf8.decode_rune_in_string(s.contents[s.byte_pos:]); - return; + r, s.width = utf8.decode_rune_in_string(s.contents[s.byte_pos:]) + return } // Linear scan - scan_forward := true; + scan_forward := true if i < s.rune_pos { if i < (s.rune_pos-s.non_ascii)/2 { - s.byte_pos, s.rune_pos = s.non_ascii, s.non_ascii; + s.byte_pos, s.rune_pos = s.non_ascii, s.non_ascii } else { - scan_forward = false; + scan_forward = false } } else if i-s.rune_pos < (s.rune_count-s.rune_pos)/2 { - // scan_forward = true; + // scan_forward = true } else { - s.byte_pos, s.rune_pos = _len(s.contents), s.rune_count; - scan_forward = false; + s.byte_pos, s.rune_pos = _len(s.contents), s.rune_count + scan_forward = false } if scan_forward { for { - r, s.width = utf8.decode_rune_in_string(s.contents[s.byte_pos:]); + r, s.width = utf8.decode_rune_in_string(s.contents[s.byte_pos:]) if s.rune_pos == i { - return; + return } - s.rune_pos += 1; - s.byte_pos += s.width; + s.rune_pos += 1 + s.byte_pos += s.width } } else { for { - r, s.width = utf8.decode_last_rune_in_string(s.contents[:s.byte_pos]); - s.rune_pos -= 1; - s.byte_pos -= s.width; + r, s.width = utf8.decode_last_rune_in_string(s.contents[:s.byte_pos]) + s.rune_pos -= 1 + s.byte_pos -= s.width if s.rune_pos == i { - return; + return } } } } slice :: proc(s: ^String, i, j: int, loc := #caller_location) -> string { - runtime.slice_expr_error_lo_hi_loc(loc, i, j, s.rune_count); + runtime.slice_expr_error_lo_hi_loc(loc, i, j, s.rune_count) if j < s.non_ascii { - return s.contents[i:j]; + return s.contents[i:j] } if i == j { - return ""; + return "" } - lo, hi: int; + lo, hi: int if i < s.non_ascii { - lo = i; + lo = i } else if i == s.rune_count { - lo = _len(s.contents); + lo = _len(s.contents) } else { - at(s, i, loc); - lo = s.byte_pos; + at(s, i, loc) + lo = s.byte_pos } if j == s.rune_count { - hi = _len(s.contents); + hi = _len(s.contents) } else { - at(s, j, loc); - hi = s.byte_pos; + at(s, j, loc) + hi = s.byte_pos } - return s.contents[lo:hi]; + return s.contents[lo:hi] } diff --git a/examples/all/all_main.odin b/examples/all/all_main.odin index 7d2082250..dafd29ab3 100644 --- a/examples/all/all_main.odin +++ b/examples/all/all_main.odin @@ -104,6 +104,7 @@ import time "core:time" import unicode "core:unicode" import utf8 "core:unicode/utf8" +import utf8string "core:unicode/utf8/utf8string" import utf16 "core:unicode/utf16" main :: proc(){} @@ -193,4 +194,5 @@ _ :: thread _ :: time _ :: unicode _ :: utf8 +_ :: utf8string _ :: utf16
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