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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html><head><title>Python: module ranger.gui.curses_shortcuts</title>
</head><body bgcolor="#f0f0f8">

<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="heading">
<tr bgcolor="#7799ee">
<td valign=bottom>&nbsp;<br>
<font color="#ffffff" face="helvetica, arial">&nbsp;<br><big><big><strong><a href="ranger.html"><font color="#ffffff">ranger</font></a>.<a href="ranger.gui.html"><font color="#ffffff">gui</font></a>.curses_shortcuts</strong></big></big></font></td
><td align=right valign=bottom
><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="file:/home/hut/ranger/ranger/gui/curses_shortcuts.py">/home/hut/ranger/ranger/gui/curses_shortcuts.py</a></font></td></tr></table>
    <p><tt>#&nbsp;Copyright&nbsp;(C)&nbsp;2009,&nbsp;2010&nbsp;&nbsp;Roman&nbsp;Zimbelmann&nbsp;&lt;romanz@lavabit.com&gt;<br>
#<br>
#&nbsp;This&nbsp;program&nbsp;is&nbsp;free&nbsp;software:&nbsp;you&nbsp;can&nbsp;redistribute&nbsp;it&nbsp;and/or&nbsp;modify<br>
#&nbsp;it&nbsp;under&nbsp;the&nbsp;terms&nbsp;of&nbsp;the&nbsp;GNU&nbsp;General&nbsp;Public&nbsp;License&nbsp;as&nbsp;published&nbsp;by<br>
#&nbsp;the&nbsp;Free&nbsp;Software&nbsp;Foundation,&nbsp;either&nbsp;version&nbsp;3&nbsp;of&nbsp;the&nbsp;License,&nbsp;or<br>
#&nbsp;(at&nbsp;your&nbsp;option)&nbsp;any&nbsp;later&nbsp;version.<br>
#<br>
#&nbsp;This&nbsp;program&nbsp;is&nbsp;distributed&nbsp;in&nbsp;the&nbsp;hope&nbsp;that&nbsp;it&nbsp;will&nbsp;be&nbsp;useful,<br>
#&nbsp;but&nbsp;WITHOUT&nbsp;ANY&nbsp;WARRANTY;&nbsp;without&nbsp;even&nbsp;the&nbsp;implied&nbsp;warranty&nbsp;of<br>
#&nbsp;MERCHANTABILITY&nbsp;or&nbsp;FITNESS&nbsp;FOR&nbsp;A&nbsp;PARTICULAR&nbsp;PURPOSE.&nbsp;&nbsp;See&nbsp;the<br>
#&nbsp;GNU&nbsp;General&nbsp;Public&nbsp;License&nbsp;for&nbsp;more&nbsp;details.<br>
#<br>
#&nbsp;You&nbsp;should&nbsp;have&nbsp;received&nbsp;a&nbsp;copy&nbsp;of&nbsp;the&nbsp;GNU&nbsp;General&nbsp;Public&nbsp;License<br>
#&nbsp;along&nbsp;with&nbsp;this&nbsp;program.&nbsp;&nbsp;If&nbsp;not,&nbsp;see&nbsp;&lt;<a href="http://www.gnu.org/licenses/">http://www.gnu.org/licenses/</a>&gt;.</tt></p>
<p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#aa55cc">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Modules</strong></big></font></td></tr>
    
<tr><td bgcolor="#aa55cc"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%"><table width="100%" summary="list"><tr><td width="25%" valign=top><a href="_curses.html">_curses</a><br>
</td><td width="25%" valign=top></td><td width="25%" valign=top></td><td width="25%" valign=top></td></tr></table></td></tr></table><p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ee77aa">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr>
    
<tr><td bgcolor="#ee77aa"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
<td width="100%"><dl>
<dt><font face="helvetica, arial"><a href="ranger.shared.settings.html#SettingsAware">ranger.shared.settings.SettingsAware</a>(<a href="__builtin__.html#object">__builtin__.object</a>)
</font></dt><dd>
<dl>
<dt><font face="helvetica, arial"><a href="ranger.gui.curses_shortcuts.html#CursesShortcuts">CursesShortcuts</a>
</font></dt></dl>
</dd>
</dl>
 <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom>&nbsp;<br>
<font color="#000000" face="helvetica, arial"><a name="CursesShortcuts">class <strong>CursesShortcuts</strong></a>(<a href="ranger.shared.settings.html#SettingsAware">ranger.shared.settings.SettingsAware</a>)</font></td></tr>
    
<tr bgcolor="#ffc8d8"><td rowspan=2><tt>&nbsp;&nbsp;&nbsp;</tt></td>
<td colspan=2><tt>This&nbsp;class&nbsp;defines&nbsp;shortcuts&nbsp;to&nbsp;faciliate&nbsp;operations&nbsp;with&nbsp;curses.<br>
<a href="#CursesShortcuts-color">color</a>(*keys)&nbsp;--&nbsp;sets&nbsp;the&nbsp;color&nbsp;associated&nbsp;with&nbsp;the&nbsp;keys&nbsp;from<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the&nbsp;current&nbsp;colorscheme.<br>
<a href="#CursesShortcuts-color_at">color_at</a>(y,&nbsp;x,&nbsp;wid,&nbsp;*keys)&nbsp;--&nbsp;sets&nbsp;the&nbsp;color&nbsp;at&nbsp;the&nbsp;given&nbsp;position<br>
<a href="#CursesShortcuts-color_reset">color_reset</a>()&nbsp;--&nbsp;resets&nbsp;the&nbsp;color&nbsp;to&nbsp;the&nbsp;default<br>
<a href="#CursesShortcuts-addstr">addstr</a>(*args)&nbsp;--&nbsp;failsafe&nbsp;version&nbsp;of&nbsp;self.<strong>win</strong>.<a href="#CursesShortcuts-addstr">addstr</a>(*args)<br>&nbsp;</tt></td></tr>
<tr><td>&nbsp;</td>
<td width="100%"><dl><dt>Method resolution order:</dt>
<dd><a href="ranger.gui.curses_shortcuts.html#CursesShortcuts">CursesShortcuts</a></dd>
<dd><a href="ranger.shared.settings.html#SettingsAware">ranger.shared.settings.SettingsAware</a></dd>
<dd><a href="__builtin__.html#object">__builtin__.object</a></dd>
</dl>
<hr>
Methods defined here:<br>
<dl><dt><a name="CursesShortcuts-addnstr"><strong>addnstr</strong></a>(self, *args)</dt></dl>

<dl><dt><a name="CursesShortcuts-addstr"><strong>addstr</strong></a>(self, *args)</dt></dl>

<dl><dt><a name="CursesShortcuts-color"><strong>color</strong></a>(self, *keys)</dt><dd><tt>Change&nbsp;the&nbsp;colors&nbsp;from&nbsp;now&nbsp;on.</tt></dd></dl>

<dl><dt><a name="CursesShortcuts-color_at"><strong>color_at</strong></a>(self, y, x, wid, *keys)</dt><dd><tt>Change&nbsp;the&nbsp;colors&nbsp;at&nbsp;the&nbsp;specified&nbsp;position</tt></dd></dl>

<dl><dt><a name="CursesShortcuts-color_reset"><strong>color_reset</strong></a>(self)</dt><dd><tt>Change&nbsp;the&nbsp;colors&nbsp;to&nbsp;the&nbsp;default&nbsp;colors</tt></dd></dl>

<hr>
Data descriptors inherited from <a href="ranger.shared.settings.html#SettingsAware">ranger.shared.settings.SettingsAware</a>:<br>
<dl><dt><strong>__dict__</strong></dt>
<dd><tt>dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
</dl>
<hr>
Data and other attributes inherited from <a href="ranger.shared.settings.html#SettingsAware">ranger.shared.settings.SettingsAware</a>:<br>
<dl><dt><strong>settings</strong> = {}</dl>

</td></tr></table></td></tr></table>
</body></html>
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-07-10 17:07:53 +0000
ow">in 'A'..'F': return int(c) - int('A') + 0xA return -1 func decValue*(c: char): int = if c in AsciiDigit: return int(c) - int('0') return -1 const HexCharsUpper = "0123456789ABCDEF" const HexCharsLower = "0123456789abcdef" func pushHex*(buf: var string; u: uint8) = buf &= HexCharsUpper[u shr 4] buf &= HexCharsUpper[u and 0xF] func pushHex*(buf: var string; c: char) = buf.pushHex(cast[uint8](c)) func toHexLower*(u: uint16): string = var x = u let len = if (u and 0xF000) != 0: 4 elif (u and 0x0F00) != 0: 3 elif (u and 0xF0) != 0: 2 else: 1 var s = newString(len) for i in countdown(len - 1, 0): s[i] = HexCharsLower[x and 0xF] x = x shr 4 return s func equalsIgnoreCase*(s1, s2: string): bool {.inline.} = return s1.cmpIgnoreCase(s2) == 0 func startsWithIgnoreCase*(s1, s2: string): bool = if s1.len < s2.len: return false for i in 0 ..< s2.len: if s1[i].toLowerAscii() != s2[i].toLowerAscii(): return false return true func endsWithIgnoreCase*(s1, s2: string): bool = if s1.len < s2.len: return false for i in countdown(s2.high, 0): if s1[i].toLowerAscii() != s2[i].toLowerAscii(): return false return true func stripAndCollapse*(s: string): string = var i = 0 while i < s.len and s[i] in AsciiWhitespace: inc i var space = false while i < s.len: if s[i] notin AsciiWhitespace: if space: result &= ' ' space = false result &= s[i] elif not space: space = true else: result &= ' ' inc i func skipBlanks*(buf: string; at: int): int = result = at while result < buf.len and buf[result] in AsciiWhitespace: inc result func until*(s: string; c: set[char]; starti = 0): string = result = "" for i in starti ..< s.len: if s[i] in c: break result.add(s[i]) func untilLower*(s: string; c: set[char]; starti = 0): string = result = "" for i in starti ..< s.len: if s[i] in c: break result.add(s[i].toLowerAscii()) func until*(s: string; c: char; starti = 0): string = s.until({c}, starti) func after*(s: string; c: set[char]): string = var i = 0 while i < s.len: if s[i] in c: return s.substr(i + 1) inc i func after*(s: string; c: char): string = s.after({c}) func afterLast*(s: string; c: set[char]; n = 1): string = var j = 0 for i in countdown(s.high, 0): if s[i] in c: inc j if j == n: return s.substr(i + 1) return s func afterLast*(s: string; c: char; n = 1): string = s.afterLast({c}, n) func beforeLast*(s: string; c: set[char]; n = 1): string = var j = 0 for i in countdown(s.high, 0): if s[i] in c: inc j if j == n: return s.substr(0, i) return s func beforeLast*(s: string; c: char; n = 1): string = s.beforeLast({c}, n) proc c_sprintf(buf, fm: cstring): cint {.header: "<stdio.h>", importc: "sprintf", varargs} # From w3m const SizeUnit = [ cstring"b", cstring"kb", cstring"Mb", cstring"Gb", cstring"Tb", cstring"Pb", cstring"Eb", cstring"Zb", cstring"Bb", cstring"Yb" ] func convertSize*(size: int): string = var sizepos = 0 var csize = float32(size) while csize >= 999.495 and sizepos < SizeUnit.len: csize = csize / 1024.0 inc sizepos result = newString(10) let f = floor(csize * 100 + 0.5) / 100 discard c_sprintf(cstring(result), cstring("%.3g%s"), f, SizeUnit[sizepos]) result.setLen(cstring(result).len) func numberAdditive*(i: int; range: HSlice[int, int]; symbols: openArray[(int, string)]): string = if i notin range: return $i var n = i var at = 0 while n > 0: if n >= symbols[at][0]: n -= symbols[at][0] result &= symbols[at][1] continue inc at return result const romanNumbers = [ (1000, "M"), (900, "CM"), (500, "D"), (400, "CD"), (100, "C"), (90, "XC"), (50, "L"), (40, "XL"), (10, "X"), (9, "IX"), (5, "V"), (4, "IV"), (1, "I") ] const romanNumbersLower = block: var res: seq[(int, string)] for (n, s) in romanNumbers: res.add((n, s.toLowerAscii())) res func romanNumber*(i: int): string = return numberAdditive(i, 1..3999, romanNumbers) func romanNumberLower*(i: int): string = return numberAdditive(i, 1..3999, romanNumbersLower) func japaneseNumber*(i: int): string = if i == 0: return "〇" var n = i if i < 0: result &= "マイナス" n *= -1 let o = n var ss: seq[string] var d = 0 while n > 0: let m = n mod 10 if m != 0: case d of 1: ss.add("十") of 2: ss.add("百") of 3: ss.add("千") of 4: ss.add("万") ss.add("一") of 5: ss.add("万") ss.add("十") of 6: ss.add("万") ss.add("百") of 7: ss.add("万") ss.add("千") ss.add("一") of 8: ss.add("億") ss.add("一") of 9: ss.add("億") ss.add("十") else: discard case m of 0: inc d n = n div 10 of 1: if o == n: ss.add("一") of 2: ss.add("二") of 3: ss.add("三") of 4: ss.add("四") of 5: ss.add("五") of 6: ss.add("六") of 7: ss.add("七") of 8: ss.add("八") of 9: ss.add("九") else: discard n -= m n = ss.len - 1 while n >= 0: result &= ss[n] dec n # Implements https://html.spec.whatwg.org/multipage/common-microsyntaxes.html#signed-integers func parseIntImpl[T: SomeSignedInt](s: string; allowed: set[char]; radix: T): Option[T] = var sign: T = 1 var i = 0 if i < s.len and s[i] == '-': sign = -1 inc i elif i < s.len and s[i] == '+': inc i if i == s.len: return none(T) var integer: T = 0 while i < s.len: if s[i] notin allowed: return none(T) # invalid let c = T(hexValue(s[i])) if unlikely(T.high div radix - c < integer): return none(T) # overflow integer *= radix integer += c inc i return some(sign * integer) func parseIntImpl[T: SomeSignedInt](s: string): Option[T] = return parseIntImpl[T](s, AsciiDigit, 10) func parseInt32*(s: string): Option[int32] = return parseIntImpl[int32](s) func parseInt64*(s: string): Option[int64] = return parseIntImpl[int64](s) func parseOctInt64*(s: string): Option[int64] = return parseIntImpl[int64](s, AsciiOctDigit, 8) func parseHexInt64*(s: string): Option[int64] = return parseIntImpl[int64](s, AsciiHexDigit, 16) func parseUIntImpl[T: SomeUnsignedInt](s: string; allowSign: static bool; allowed: set[char]; radix: T): Option[T] = var i = 0 when allowSign: if i < s.len and s[i] == '+': inc i if i == s.len: return none(T) var integer: T = 0 while i < s.len: if s[i] notin allowed: return none(T) # invalid let c = T(hexValue(s[i])) if unlikely(T.high div radix - c < integer): return none(T) # overflow integer *= radix integer += c inc i return some(integer) func parseUIntImpl[T: SomeUnsignedInt](s: string; allowSign: static bool): Option[T] = return parseUIntImpl[T](s, allowSign, AsciiDigit, 10) func parseUInt8*(s: string; allowSign: static bool): Option[uint8] = return parseUIntImpl[uint8](s, allowSign) func parseUInt16*(s: string; allowSign: static bool): Option[uint16] = return parseUIntImpl[uint16](s, allowSign) func parseUInt32*(s: string; allowSign: static bool): Option[uint32] = return parseUIntImpl[uint32](s, allowSign) func parseOctUInt32*(s: string; allowSign: static bool): Option[uint32] = return parseUIntImpl[uint32](s, allowSign, AsciiOctDigit, 8) func parseHexUInt32*(s: string; allowSign: static bool): Option[uint32] = return parseUIntImpl[uint32](s, allowSign, AsciiHexDigit, 16) #TODO not sure where this algorithm is from... # (probably from CSS) func parseFloat64*(s: string): float64 = var sign = 1f64 var t = 1 var d = 0 var integer: float64 = 0 var f: float64 = 0 var e: float64 = 0 var i = 0 if i < s.len and s[i] == '-': sign = -1f64 inc i elif i < s.len and s[i] == '+': inc i while i < s.len and s[i] in AsciiDigit: integer *= 10 integer += float64(decValue(s[i])) inc i if i < s.len and s[i] == '.': inc i while i < s.len and s[i] in AsciiDigit: f *= 10 f += float64(decValue(s[i])) inc i inc d if i < s.len and (s[i] == 'e' or s[i] == 'E'): inc i if i < s.len and s[i] == '-': t = -1 inc i elif i < s.len and s[i] == '+': inc i while i < s.len and s[i] in AsciiDigit: e *= 10 e += float64(decValue(s[i])) inc i return sign * (integer + f * pow(10, float64(-d))) * pow(10, (float64(t) * e)) const ControlPercentEncodeSet* = Controls + NonAscii const FragmentPercentEncodeSet* = ControlPercentEncodeSet + {' ', '"', '<', '>', '`'} const QueryPercentEncodeSet* = FragmentPercentEncodeSet - {'`'} + {'#'} const SpecialQueryPercentEncodeSet* = QueryPercentEncodeSet + {'\''} const PathPercentEncodeSet* = QueryPercentEncodeSet + {'?', '`', '{', '}'} const UserInfoPercentEncodeSet* = PathPercentEncodeSet + {'/', ':', ';', '=', '@', '['..'^', '|'} const ComponentPercentEncodeSet* = UserInfoPercentEncodeSet + {'$'..'&', '+', ','} const ApplicationXWWWFormUrlEncodedSet* = ComponentPercentEncodeSet + {'!', '\''..')', '~'} # used by pager when DirSep == '\\': const LocalPathPercentEncodeSet* = Ascii - AsciiAlpha - AsciiDigit - {'.', '\\', '/'} else: const LocalPathPercentEncodeSet* = Ascii - AsciiAlpha - AsciiDigit - {'.', '/'} proc percentEncode*(append: var string; c: char; set: set[char]; spaceAsPlus = false) {.inline.} = if spaceAsPlus and c == ' ': append &= '+' elif c notin set: append &= c else: append &= '%' append.pushHex(c) proc percentEncode*(append: var string; s: string; set: set[char]; spaceAsPlus = false) {.inline.} = for c in s: append.percentEncode(c, set, spaceAsPlus) func percentEncode*(c: char; set: set[char]; spaceAsPlus = false): string {.inline.} = result.percentEncode(c, set, spaceAsPlus) func percentEncode*(s: string; set: set[char]; spaceAsPlus = false): string = result.percentEncode(s, set, spaceAsPlus) func percentDecode*(input: string; si = 0): string = var i = si while i < input.len: let c = input[i] if c != '%' or i + 2 >= input.len: result &= c else: let h1 = input[i + 1].hexValue let h2 = input[i + 2].hexValue if h1 == -1 or h2 == -1: result &= c else: result &= char((h1 shl 4) or h2) i += 2 inc i func htmlEscape*(s: string): string = result = "" for c in s: case c of '<': result &= "&lt;" of '>': result &= "&gt;" of '&': result &= "&amp;" of '"': result &= "&quot;" of '\'': result &= "&apos;" else: result &= c func dqEscape*(s: string): string = result = newStringOfCap(s.len) for c in s: if c == '"': result &= '\\' result &= c #basically std join but with char func join*(ss: openArray[string]; sep: char): string = if ss.len == 0: return "" var n = ss.high - 1 for i in 0..high(ss): n += ss[i].len result = newStringOfCap(n) result &= ss[0] for i in 1..high(ss): result &= sep result &= ss[i] proc passRealloc*(opaque, p: pointer; size: csize_t): pointer {.cdecl.} = return realloc(p, size) # https://www.w3.org/TR/xml/#NT-Name const NameStartCharRanges = [ (0xC0, 0xD6), (0xD8, 0xF6), (0xF8, 0x2FF), (0x370, 0x37D), (0x37F, 0x1FFF), (0x200C, 0x200D), (0x2070, 0x218F), (0x2C00, 0x2FEF), (0x3001, 0xD7FF), (0xF900, 0xFDCF), (0xFDF0, 0xFFFD), (0x10000, 0xEFFFF) ] const NameCharRanges = [ # + NameStartCharRanges (0xB7, 0xB7), (0x0300, 0x036F), (0x203F, 0x2040) ] const NameStartCharAscii = {':', '_'} + AsciiAlpha const NameCharAscii = NameStartCharAscii + {'-', '.'} + AsciiDigit func matchNameProduction*(str: string): bool = if str.len == 0: return false # NameStartChar var i = 0 var r: Rune if str[i] in Ascii: if str[i] notin NameStartCharAscii: return false inc i else: fastRuneAt(str, i, r) if not isInRange(NameStartCharRanges, int32(r)): return false # NameChar while i < str.len: if str[i] in Ascii: if str[i] notin NameCharAscii: return false inc i else: fastRuneAt(str, i, r) if not isInRange(NameStartCharRanges, int32(r)) and not isInMap(NameCharRanges, int32(r)): return false return true func matchQNameProduction*(s: string): bool = if s.len == 0: return false if s[0] == ':': return false if s[^1] == ':': return false var colon = false for i in 1 ..< s.len - 1: if s[i] == ':': if colon: return false colon = true return s.matchNameProduction() func utf16Len*(s: string): int = result = 0 for r in s.runes: if uint32(r) < 0x10000: # ucs-2 result += 1 else: # surrogate result += 2 proc expandPath*(path: string): string = if path.len == 0 or path[0] != '~': return path if path.len == 1: return getHomeDir() elif path[1] == '/': return getHomeDir() / path.substr(2) else: when defined(posix): let usr = path.until({'/'}, 1) let p = getpwnam(cstring(usr)) if p != nil: return $p.pw_dir / path.substr(usr.len) return path func deleteChars*(s: string; todel: set[char]): string = var i = 0 block earlyret: for j, c in s: if c in todel: i = j break earlyret return s var rs = newStringOfCap(s.len - 1) for j in 0 ..< i: rs &= s[j] for j in i + 1 ..< s.len: if s[j] in todel: continue rs &= s[j] inc i return rs func replaceControls*(s: string): string = result = newStringOfCap(s.len) for c in s: if c in Controls - {' '}: result &= '^' result &= c.getControlLetter() else: result &= c #https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#multipart/form-data-encoding-algorithm proc makeCRLF*(s: string): string = result = newStringOfCap(s.len) var i = 0 while i < s.len - 1: if s[i] == '\r' and s[i + 1] != '\n': result &= '\r' result &= '\n' elif s[i] != '\r' and s[i + 1] == '\n': result &= s[i] result &= '\r' result &= '\n' inc i else: result &= s[i] inc i if i < s.len: if s[i] == '\r': result &= '\r' result &= '\n' else: result &= s[i] func strictParseEnum*[T: enum](s: string): Opt[T] = # cmp when len is small enough, otherwise hashmap when {T.low..T.high}.len <= 4: for e in T.low .. T.high: if $e == s: return ok(e) else: const tab = (func(): Table[string, T] = result = initTable[string, T]() for e in T.low .. T.high: result[$e] = e )() if s in tab: return ok(tab[s]) return err() func parseEnumNoCase*[T: enum](s: string): Opt[T] = # cmp when len is small enough, otherwise hashmap when {T.low..T.high}.len <= 4: for e in T.low .. T.high: if $e.equalsIgnoreCase(s): return ok(e) else: const tab = (func(): Table[string, T] = result = initTable[string, T]() for e in T.low .. T.high: result[$e] = e )() if s in tab: return ok(tab[s]) return err() proc getContentTypeAttr*(contentType, attrname: string): string = var i = contentType.find(';') if i == -1: return "" i = contentType.find(attrname, i) if i == -1: return "" i = contentType.skipBlanks(i + attrname.len) if i >= contentType.len or contentType[i] != '=': return "" i = contentType.skipBlanks(i + 1) var q = false var s = "" for c in contentType.toOpenArray(i, contentType.high): if q: s &= c q = false elif c == '\\': q = true elif c in AsciiWhitespace + {';'}: break else: s &= c return s func atob(c: char): uint8 {.inline.} = # see RFC 4648 table if c in AsciiUpperAlpha: return uint8(c) - uint8('A') if c in AsciiLowerAlpha: return uint8(c) - uint8('a') + 26 if c in AsciiDigit: return uint8(c) - uint8('0') + 52 if c == '+': return 62 if c == '/': return 63 return uint8.high func atob0*(data: string): Result[string, string] = var outs = newStringOfCap(data.len div 4 * 3) var buf: array[4, uint8] var i = 0 var j = 0 var pad = 0 while true: i = data.skipBlanks(i) if i >= data.len: break if data[i] == '=': i = data.skipBlanks(i + 1) inc pad break buf[j] = atob(data[i]) if buf[j] == uint8.high: return err("Invalid character in encoded string") if j == 3: let ob1 = (buf[0] shl 2) or (buf[1] shr 4) # 6 bits of b0 | 2 bits of b1 let ob2 = (buf[1] shl 4) or (buf[2] shr 2) # 4 bits of b1 | 4 bits of b2 let ob3 = (buf[2] shl 6) or buf[3] # 2 bits of b2 | 6 bits of b3 outs &= char(ob1) outs &= char(ob2) outs &= char(ob3) j = 0 else: inc j inc i if i < data.len: if i < data.len and data[i] == '=': inc pad inc i i = data.skipBlanks(i) if pad > 0 and j + pad != 4: return err("Too much padding") if i < data.len: return err("Invalid character after encoded string") if j == 3: let ob1 = (buf[0] shl 2) or (buf[1] shr 4) # 6 bits of b0 | 2 bits of b1 let ob2 = (buf[1] shl 4) or (buf[2] shr 2) # 4 bits of b1 | 4 bits of b2 outs &= char(ob1) outs &= char(ob2) elif j == 2: let ob1 = (buf[0] shl 2) or (buf[1] shr 4) # 6 bits of b0 | 2 bits of b1 outs &= char(ob1) elif j != 0: return err("Incorrect number of characters in encoded string") return ok(outs)
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-07-10 17:07:53 +0000