diff options
| -rw-r--r-- | lib/pure/times.nim | 221 |
1 files changed, 115 insertions, 106 deletions
diff --git a/lib/pure/times.nim b/lib/pure/times.nim index de6c4e4fa..82ef0d86f 100644 --- a/lib/pure/times.nim +++ b/lib/pure/times.nim @@ -557,6 +557,119 @@ proc `$`*(m: TMonth): string = "November", "December"] return lookup[m] +proc format_token(info: TTimeInfo, token: string, buf: var string) = + ## Helper of the format proc to parse individual tokens. + ## + ## Pass the found token in the user input string, and the buffer where the + ## final string is being built. This has to be a var value because certain + ## formatting tokens require modifying the previous characters. + case token + of "d": + buf.add($info.monthday) + of "dd": + if info.monthday < 10: + buf.add("0") + buf.add($info.monthday) + of "ddd": + buf.add(($info.weekday)[0 .. 2]) + of "dddd": + buf.add($info.weekday) + of "h": + buf.add($(if info.hour > 12: info.hour - 12 else: info.hour)) + of "hh": + let amerHour = if info.hour > 12: info.hour - 12 else: info.hour + if amerHour < 10: + buf.add('0') + buf.add($amerHour) + of "H": + buf.add($info.hour) + of "HH": + if info.hour < 10: + buf.add('0') + buf.add($info.hour) + of "m": + buf.add($info.minute) + of "mm": + if info.minute < 10: + buf.add('0') + buf.add($info.minute) + of "M": + buf.add($(int(info.month)+1)) + of "MM": + if info.month < mOct: + buf.add('0') + buf.add($(int(info.month)+1)) + of "MMM": + buf.add(($info.month)[0..2]) + of "MMMM": + buf.add($info.month) + of "s": + buf.add($info.second) + of "ss": + if info.second < 10: + buf.add('0') + buf.add($info.second) + of "t": + if info.hour >= 12: + buf.add('P') + else: buf.add('A') + of "tt": + if info.hour >= 12: + buf.add("PM") + else: buf.add("AM") + of "y": + var fr = ($info.year).len()-1 + if fr < 0: fr = 0 + buf.add(($info.year)[fr .. ($info.year).len()-1]) + of "yy": + var fr = ($info.year).len()-2 + if fr < 0: fr = 0 + var fyear = ($info.year)[fr .. ($info.year).len()-1] + if fyear.len != 2: fyear = repeatChar(2-fyear.len(), '0') & fyear + buf.add(fyear) + of "yyy": + var fr = ($info.year).len()-3 + if fr < 0: fr = 0 + var fyear = ($info.year)[fr .. ($info.year).len()-1] + if fyear.len != 3: fyear = repeatChar(3-fyear.len(), '0') & fyear + buf.add(fyear) + of "yyyy": + var fr = ($info.year).len()-4 + if fr < 0: fr = 0 + var fyear = ($info.year)[fr .. ($info.year).len()-1] + if fyear.len != 4: fyear = repeatChar(4-fyear.len(), '0') & fyear + buf.add(fyear) + of "yyyyy": + var fr = ($info.year).len()-5 + if fr < 0: fr = 0 + var fyear = ($info.year)[fr .. ($info.year).len()-1] + if fyear.len != 5: fyear = repeatChar(5-fyear.len(), '0') & fyear + buf.add(fyear) + of "z": + let hrs = (info.timezone div 60) div 60 + buf.add($hrs) + of "zz": + let hrs = (info.timezone div 60) div 60 + + buf.add($hrs) + if hrs.abs < 10: + var atIndex = buf.len-(($hrs).len-(if hrs < 0: 1 else: 0)) + buf.insert("0", atIndex) + of "zzz": + let hrs = (info.timezone div 60) div 60 + + buf.add($hrs & ":00") + if hrs.abs < 10: + var atIndex = buf.len-(($hrs & ":00").len-(if hrs < 0: 1 else: 0)) + buf.insert("0", atIndex) + of "ZZZ": + buf.add(info.tzname) + of "": + discard + else: + raise newException(EInvalidValue, "Invalid format string: " & token) + + proc format*(info: TTimeInfo, f: string): string = ## This function formats `info` as specified by `f`. The following format ## specifiers are available: @@ -600,112 +713,8 @@ proc format*(info: TTimeInfo, f: string): string = while true: case f[i] of ' ', '-', '/', ':', '\'', '\0', '(', ')', '[', ']', ',': - case currentF - of "d": - result.add($info.monthday) - of "dd": - if info.monthday < 10: - result.add("0") - result.add($info.monthday) - of "ddd": - result.add(($info.weekday)[0 .. 2]) - of "dddd": - result.add($info.weekday) - of "h": - result.add($(if info.hour > 12: info.hour - 12 else: info.hour)) - of "hh": - let amerHour = if info.hour > 12: info.hour - 12 else: info.hour - if amerHour < 10: - result.add('0') - result.add($amerHour) - of "H": - result.add($info.hour) - of "HH": - if info.hour < 10: - result.add('0') - result.add($info.hour) - of "m": - result.add($info.minute) - of "mm": - if info.minute < 10: - result.add('0') - result.add($info.minute) - of "M": - result.add($(int(info.month)+1)) - of "MM": - if info.month < mOct: - result.add('0') - result.add($(int(info.month)+1)) - of "MMM": - result.add(($info.month)[0..2]) - of "MMMM": - result.add($info.month) - of "s": - result.add($info.second) - of "ss": - if info.second < 10: - result.add('0') - result.add($info.second) - of "t": - if info.hour >= 12: - result.add('P') - else: result.add('A') - of "tt": - if info.hour >= 12: - result.add("PM") - else: result.add("AM") - of "y": - var fr = ($info.year).len()-1 - if fr < 0: fr = 0 - result.add(($info.year)[fr .. ($info.year).len()-1]) - of "yy": - var fr = ($info.year).len()-2 - if fr < 0: fr = 0 - var fyear = ($info.year)[fr .. ($info.year).len()-1] - if fyear.len != 2: fyear = repeatChar(2-fyear.len(), '0') & fyear - result.add(fyear) - of "yyy": - var fr = ($info.year).len()-3 - if fr < 0: fr = 0 - var fyear = ($info.year)[fr .. ($info.year).len()-1] - if fyear.len != 3: fyear = repeatChar(3-fyear.len(), '0') & fyear - result.add(fyear) - of "yyyy": - var fr = ($info.year).len()-4 - if fr < 0: fr = 0 - var fyear = ($info.year)[fr .. ($info.year).len()-1] - if fyear.len != 4: fyear = repeatChar(4-fyear.len(), '0') & fyear - result.add(fyear) - of "yyyyy": - var fr = ($info.year).len()-5 - if fr < 0: fr = 0 - var fyear = ($info.year)[fr .. ($info.year).len()-1] - if fyear.len != 5: fyear = repeatChar(5-fyear.len(), '0') & fyear - result.add(fyear) - of "z": - let hrs = (info.timezone div 60) div 60 - result.add($hrs) - of "zz": - let hrs = (info.timezone div 60) div 60 - - result.add($hrs) - if hrs.abs < 10: - var atIndex = result.len-(($hrs).len-(if hrs < 0: 1 else: 0)) - result.insert("0", atIndex) - of "zzz": - let hrs = (info.timezone div 60) div 60 - - result.add($hrs & ":00") - if hrs.abs < 10: - var atIndex = result.len-(($hrs & ":00").len-(if hrs < 0: 1 else: 0)) - result.insert("0", atIndex) - of "ZZZ": - result.add(info.tzname) - of "": - discard - else: - raise newException(EInvalidValue, "Invalid format string: " & currentF) - + format_token(info, currentF, result) + currentF = "" if f[i] == '\0': break |