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remove bbansi/utils
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3 changed files with 111 additions and 117 deletions
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@ -7,9 +7,117 @@
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# TODO:
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#{.push raises:[].}
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import std/[os, sequtils, strformat, strutils]
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import ./bbansi/[styles, utils, colors]
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export utils
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import std/[
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macros, os, sequtils, strformat, strutils, terminal
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]
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import ./bbansi/[styles, colors]
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type
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BbMode* = enum
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On, NoColor, Off
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ColorSystem = enum
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TrueColor, EightBit, Standard, None
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proc checkColorSupport(): BbMode =
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when defined(bbansiOff):
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return Off
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when defined(bbansiNoColor):
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return NoColor
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else:
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if getEnv("HWYLTERM_FORCE_COLOR") != "":
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return On
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elif getEnv("NO_COLOR") != "":
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return NoColor
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elif (getEnv("TERM") in ["dumb", "unknown"]) or not isatty(stdout):
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return Off
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proc checkColorSystem(): ColorSystem =
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let colorterm = getEnv("COLORTERM").strip().toLowerAscii()
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if colorterm in ["truecolor", "24bit"]:
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return TrueColor
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let term = getEnv("TERM", "").strip().toLowerAscii()
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let colors = term.split("-")[^1]
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return
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case colors:
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of "kitty": EightBit
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of "256color": EightBit
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of "16color": Standard
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else: Standard
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let bbMode* = checkColorSupport()
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let colorSystem* = checkColorSystem()
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func firstCapital(s: string): string = s.toLowerAscii().capitalizeAscii()
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func normalizeStyle(style: string): string = style.replace("_","").toLowerAscii().capitalizeAscii()
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func isHex(s: string): bool = (s.startswith "#") and (s.len == 7)
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func toCode(style: BbStyle): string = $ord(style)
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func toCode(abbr: BbStyleAbbr): string = abbr.toStyle().toCode()
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func toCode(color: ColorXterm): string = "38;5;" & $ord(color)
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func toBgCode(color: ColorXterm): string = "48;5;" & $ord(color)
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func toCode(c: ColorRgb): string = "38;2;" & $c
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func toBgCode(c: ColorRgb): string = "48:2;" & $c
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func toCode(c: Color256): string = "38;5;" & $c
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func toBgCode(c: Color256): string = "48;5;" & $c
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macro enumNames(a: typed): untyped =
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## unexported macro copied from std/enumutils
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result = newNimNode(nnkBracket)
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for ai in a.getType[1][1..^1]:
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assert ai.kind == nnkSym
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result.add newLit ai.strVal
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const ColorXTermNames = enumNames(ColorXterm).mapIt(firstCapital(it))
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const BbStyleNames = enumNames(BbStyle).mapIt(firstCapital(it))
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const ColorDigitStrings = (1..255).toSeq().mapIt($it)
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# TODO: write non-fallible parseStyle(s) procedure
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proc toAnsiCode*(s: string): string =
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if bbMode == Off: return
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var
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codes: seq[string]
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styles: seq[string]
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bgStyle: string
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if " on " in s or s.startswith("on"):
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let fgBgSplit = s.rsplit("on", maxsplit = 1)
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styles = fgBgSplit[0].toLowerAscii().splitWhitespace()
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bgStyle = fgBgSplit[1].strip().toLowerAscii()
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else:
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styles = s.splitWhitespace()
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for style in styles:
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let normalizedStyle = normalizeStyle(style)
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if normalizedStyle in ["B", "I", "U"]:
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codes.add parseEnum[BbStyleAbbr](normalizedStyle).toCode()
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elif normalizedStyle in BbStyleNames:
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codes.add parseEnum[BbStyle](normalizedStyle).toCode()
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if not (bbMode == On): continue
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if normalizedStyle in ColorXtermNames:
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codes.add parseEnum[ColorXterm](normalizedStyle).toCode()
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elif normalizedStyle.isHex():
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codes.add normalizedStyle.hexToRgb.toCode()
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elif normalizedStyle in ColorDigitStrings:
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codes.add parseInt(normalizedStyle).toCode()
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else:
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when defined(debugBB): echo "unknown style: " & normalizedStyle
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if bbMode == On and bgStyle != "":
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let normalizedBgStyle = normalizeStyle(bgStyle)
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if normalizedBgStyle in ColorXtermNames:
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codes.add parseEnum[ColorXTerm](normalizedBgStyle).toBgCode()
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elif normalizedBgStyle.isHex():
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codes.add normalizedBgStyle.hexToRgb().toBgCode()
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elif normalizedBgStyle in ColorDigitStrings:
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codes.add parseInt(normalizedBgStyle).toBgCode()
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else:
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when defined(debugBB): echo "unknown bg style: " & normalizedBgStyle
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if codes.len > 0:
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result.add "\e["
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result.add codes.join ";"
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result.add "m"
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func stripAnsi*(s: string): string =
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## remove all ansi escape codes from a string
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@ -1,6 +1,3 @@
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import std/tables
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export tables
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type
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BbStyleAbbr* = enum
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@ -1,112 +1 @@
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import std/[
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macros, os, sequtils, strutils, terminal,
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]
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import ./[styles, colors]
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type
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BbMode* = enum
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On, NoColor, Off
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ColorSystem = enum
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TrueColor, EightBit, Standard, None
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proc checkColorSupport(): BbMode =
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when defined(bbansiOff):
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return Off
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when defined(bbansiNoColor):
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return NoColor
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else:
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if getEnv("HWYLTERM_FORCE_COLOR") != "":
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return On
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elif getEnv("NO_COLOR") != "":
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return NoColor
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elif (getEnv("TERM") in ["dumb", "unknown"]) or not isatty(stdout):
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return Off
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proc checkColorSystem(): ColorSystem =
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let colorterm = getEnv("COLORTERM").strip().toLowerAscii()
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if colorterm in ["truecolor", "24bit"]:
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return TrueColor
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let term = getEnv("TERM", "").strip().toLowerAscii()
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let colors = term.split("-")[^1]
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return
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case colors:
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of "kitty": EightBit
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of "256color": EightBit
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of "16color": Standard
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else: Standard
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let bbMode* = checkColorSupport()
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let colorSystem* = checkColorSystem()
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func firstCapital(s: string): string = s.toLowerAscii().capitalizeAscii()
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func normalizeStyle(style: string): string = style.replace("_","").toLowerAscii().capitalizeAscii()
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func isHex(s: string): bool = (s.startswith "#") and (s.len == 7)
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func toCode(style: BbStyle): string = $ord(style)
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func toCode(abbr: BbStyleAbbr): string = abbr.toStyle().toCode()
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func toCode(color: ColorXterm): string = "38;5;" & $ord(color)
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func toBgCode(color: ColorXterm): string = "48;5;" & $ord(color)
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func toCode(c: ColorRgb): string = "38;2;" & $c
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func toBgCode(c: ColorRgb): string = "48:2;" & $c
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func toCode(c: Color256): string = "38;5;" & $c
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func toBgCode(c: Color256): string = "48;5;" & $c
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macro enumNames(a: typed): untyped =
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## unexported macro copied from std/enumutils
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result = newNimNode(nnkBracket)
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for ai in a.getType[1][1..^1]:
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assert ai.kind == nnkSym
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result.add newLit ai.strVal
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const ColorXTermNames = enumNames(ColorXterm).mapIt(firstCapital(it))
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const BbStyleNames = enumNames(BbStyle).mapIt(firstCapital(it))
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const ColorDigitStrings = (1..255).toSeq().mapIt($it)
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# TODO: write non-fallible parseStyle(s) procedure
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proc toAnsiCode*(s: string): string =
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if bbMode == Off: return
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var
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codes: seq[string]
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styles: seq[string]
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bgStyle: string
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if " on " in s or s.startswith("on"):
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let fgBgSplit = s.rsplit("on", maxsplit = 1)
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styles = fgBgSplit[0].toLowerAscii().splitWhitespace()
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bgStyle = fgBgSplit[1].strip().toLowerAscii()
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else:
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styles = s.splitWhitespace()
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for style in styles:
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let normalizedStyle = normalizeStyle(style)
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if normalizedStyle in ["B", "I", "U"]:
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codes.add parseEnum[BbStyleAbbr](normalizedStyle).toCode()
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elif normalizedStyle in BbStyleNames:
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codes.add parseEnum[BbStyle](normalizedStyle).toCode()
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if not (bbMode == On): continue
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if normalizedStyle in ColorXtermNames:
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codes.add parseEnum[ColorXterm](normalizedStyle).toCode()
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elif normalizedStyle.isHex():
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codes.add normalizedStyle.hexToRgb.toCode()
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elif normalizedStyle in ColorDigitStrings:
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codes.add parseInt(normalizedStyle).toCode()
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else:
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when defined(debugBB): echo "unknown style: " & normalizedStyle
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if bbMode == On and bgStyle != "":
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let normalizedBgStyle = normalizeStyle(bgStyle)
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if normalizedBgStyle in ColorXtermNames:
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codes.add parseEnum[ColorXTerm](normalizedBgStyle).toBgCode()
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elif normalizedBgStyle.isHex():
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codes.add normalizedBgStyle.hexToRgb().toBgCode()
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elif normalizedBgStyle in ColorDigitStrings:
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codes.add parseInt(normalizedBgStyle).toBgCode()
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else:
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when defined(debugBB): echo "unknown bg style: " & normalizedBgStyle
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if codes.len > 0:
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result.add "\e["
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result.add codes.join ";"
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result.add "m"
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