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fix: properly highlight individual characters

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This commit is contained in:
Daylin Morgan 2023-09-20 15:40:19 -05:00
parent 4029129c75
commit 16356ad51f
Signed by: daylin
GPG key ID: C1E52E7DD81DF79F
2 changed files with 10 additions and 6 deletions
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10
src/bbansi.nim
View file

@ -18,8 +18,11 @@ type
proc len(span: BbSpan): int = span.slice[1] - span.slice[0] proc len(span: BbSpan): int = span.slice[1] - span.slice[0]
proc endSpan(bbs: var BbString) = proc endSpan(bbs: var BbString) =
if bbs.plain.len != 0: if bbs.spans.len == 0: return
if bbs.plain.len >= 1:
bbs.spans[^1].slice[1] = bbs.plain.len-1 bbs.spans[^1].slice[1] = bbs.plain.len-1
if bbs.spans[^1].len == 0 and bbs.plain.len == 0:
bbs.spans.delete(bbs.spans.len - 1)
proc newSpan(bbs: var BbString, styles: seq[string] = @[]) = proc newSpan(bbs: var BbString, styles: seq[string] = @[]) =
bbs.spans.add BbSpan(styles: styles, slice: [bbs.plain.len, 0]) bbs.spans.add BbSpan(styles: styles, slice: [bbs.plain.len, 0])
@ -34,8 +37,8 @@ proc closeLastStyle(bbs: var BbString) =
bbs.newSpan newStyle bbs.newSpan newStyle
proc addToSpan(bbs: var BbString, pattern: string) = proc addToSpan(bbs: var BbString, pattern: string) =
bbs.endSpan
let currStyl = bbs.spans[^1].styles let currStyl = bbs.spans[^1].styles
bbs.endSpan
bbs.newSpan currStyl & @[pattern] bbs.newSpan currStyl & @[pattern]
proc closeStyle(bbs: var BbString, pattern: string) = proc closeStyle(bbs: var BbString, pattern: string) =
@ -85,6 +88,7 @@ proc bb*(s: string): BbString =
resetPattern resetPattern
else: else:
next next
result.closeFinalSpan result.closeFinalSpan
proc bb*(s: string, style: string): BbString = proc bb*(s: string, style: string): BbString =
@ -113,8 +117,6 @@ proc `$`*(bbs: BbString): string =
if noColor: return bbs.plain if noColor: return bbs.plain
for span in bbs.spans: for span in bbs.spans:
if span.len == 0:
continue
var codes = "" var codes = ""
if span.styles.len > 0: if span.styles.len > 0:
codes = span.styles.join(" ").toAnsiCode codes = span.styles.join(" ").toAnsiCode

6
tests/tbasic.nim
View file

@ -5,12 +5,12 @@
# #
# To run these tests, simply execute `nimble test`. # To run these tests, simply execute `nimble test`.
import std/unittest import std/[strutils,unittest]
import bbansi import bbansi
template bbCheck(input: string, output: string): untyped = template bbCheck(input: string, output: string): untyped =
check $bb(input) == output check escape($bb(input)) == escape(output)
suite "basic": suite "basic":
test "simple": test "simple":
@ -18,6 +18,8 @@ suite "basic":
bbCheck "[red]Red Text", "\e[31mRed Text\e[0m" bbCheck "[red]Red Text", "\e[31mRed Text\e[0m"
bbCheck "[yellow]Yellow Text", "\e[33mYellow Text\e[0m" bbCheck "[yellow]Yellow Text", "\e[33mYellow Text\e[0m"
bbCheck "[bold red]Bold Red Text", "\e[1;31mBold Red Text\e[0m" bbCheck "[bold red]Bold Red Text", "\e[1;31mBold Red Text\e[0m"
bbCheck "[red]5[/]", "\e[31m5\e[0m"
bbCheck "[bold][red]5","\e[1;31m5\e[0m"
test "closing": test "closing":
bbCheck "[bold]Bold[red] Bold Red[/red] Bold Only", bbCheck "[bold]Bold[red] Bold Red[/red] Bold Only",