Source file src/tawesoft.co.uk/go/humanizex/common.go

Documentation: src/tawesoft.co.uk/go/humanizex/common.go

     1  package humanizex
     2  
     3  var CommonUnits = struct{
     4      None           Unit
     5      Second         Unit
     6      Meter          Unit
     7      Byte           Unit
     8      Bit            Unit
     9      BitsPerSecond  Unit
    10  }{
    11      None:          Unit{"", ""},
    12      Second:        Unit{"s", "s"},
    13      Meter:         Unit{"m", "m"},
    14      Byte:          Unit{"B", "B"},
    15      Bit:           Unit{"b", "b"},
    16      BitsPerSecond: Unit{"bps", "bps"},
    17  }
    18  
    19  var CommonFactors = struct{
    20      // Time is time units in seconds, minutes, hours, days and years as min, h,
    21      // d, and y. These are non-SI units but generally accepted in context.
    22      // For times smaller than a second (e.g. nanoseconds), use SI instead.
    23      // The expected unit is a second (Unit{"s", "s"} or CommonUnits.Second)
    24      Time Factors
    25  
    26      // Distance are SI units that stop at kilo (because nobody uses
    27      // megametres or gigametres!) but includes centi. The expected unit is the
    28      // SI unit for distance, the metre (Unit{"m", "m"} or CommonUnits.Meter)
    29      Distance Factors
    30  
    31      // IEC are the "ibi" unit prefixes for bytes e.g. Ki, Mi, Gi with a
    32      // factor of 1024.
    33      IEC Factors
    34  
    35      // JEDEC are the old unit prefixes for bytes: K, M, G (only) with a factor
    36      // of 1024.
    37      JEDEC Factors
    38  
    39      // SIBytes are the SI unit prefixes for bytes e.g. k, M, G with a
    40      // factor of 1000. Unlike the normal SI Factors, it is assumed based on
    41      // context that when a "K" is input this is intended to mean the "k" SI
    42      // unit prefix instead of Kelvin - I've never heard of a Kelvin-Byte!
    43      SIBytes Factors
    44  
    45      // SIUncommon are the SI unit prefixes including deci, deca, and hecto
    46      SIUncommon Factors
    47  
    48      // SI are the SI unit prefixes except centi, deci, deca, and hecto
    49      SI Factors
    50  }{
    51      Time: Factors{
    52          Factors: []Factor{
    53              {1,                                 Unit{"s", "s"},     FactorModeReplace},
    54              {60,                                Unit{"min", "min"}, FactorModeReplace},
    55              {60 * 60,                           Unit{"h", "h"},     FactorModeReplace},
    56              {24 * 60 * 60,                      Unit{"d", "d"},     FactorModeReplace},
    57              {365.2422 * 24 * 60 * 60,           Unit{"y", "y"},     FactorModeReplace},
    58          },
    59          Components: 2,
    60      },
    61      Distance: Factors{
    62          Factors: []Factor{
    63              {1E-9,                              Unit{"n", "n"},     FactorModeUnitPrefix}, // nano
    64              {1E-6,                              Unit{"μ", "u"},     FactorModeUnitPrefix}, // micro
    65              {1E-3,                              Unit{"m", "m"},     FactorModeUnitPrefix}, // milli
    66              {1E-2,                              Unit{"c", "c"},     FactorModeUnitPrefix}, // centi
    67              {1,                                 Unit{ "",  ""},     FactorModeIdentity},
    68              {1000,                              Unit{"k", "k"},     FactorModeUnitPrefix}, // kilo
    69          },
    70      },
    71      IEC: Factors{
    72          Factors: []Factor{
    73              {1,                                 Unit{ "",  ""},     FactorModeUnitPrefix},
    74              {1024,                              Unit{"Ki", "Ki"},   FactorModeUnitPrefix},
    75              {1024 * 1024,                       Unit{"Mi", "Mi"},   FactorModeUnitPrefix},
    76              {1024 * 1024 * 1024,                Unit{"Gi", "Gi"},   FactorModeUnitPrefix},
    77              {1024 * 1024 * 1024 * 1024,         Unit{"Ti", "Ti"},   FactorModeUnitPrefix},
    78          },
    79      },
    80      JEDEC: Factors{
    81          Factors: []Factor{
    82              {1,                                 Unit{ "",  ""},     FactorModeIdentity},
    83              {1024,                              Unit{"K", "K"},     FactorModeUnitPrefix},
    84              {1024 * 1024,                       Unit{"M", "M"},     FactorModeUnitPrefix},
    85              {1024 * 1024 * 1024,                Unit{"G", "G"},     FactorModeUnitPrefix},
    86          },
    87      },
    88      SIBytes: Factors{
    89          Factors: []Factor{
    90              {1,                                 Unit{ "",  ""},     FactorModeIdentity},
    91              { 1E3,                              Unit{"k", "k"},     FactorModeUnitPrefix},
    92              { 1E3,                              Unit{"K", "K"},     FactorModeUnitPrefix | FactorModeInputCompat}, // Kelvin-Bytes(!)
    93              { 1E6,                              Unit{"M", "M"},     FactorModeUnitPrefix},
    94              { 1E9,                              Unit{"G", "G"},     FactorModeUnitPrefix},
    95              {1E12,                              Unit{"T", "T"},     FactorModeUnitPrefix},
    96          },
    97      },
    98      SIUncommon: Factors{
    99          Factors: []Factor{
   100              {1E-9,                              Unit{"n", "n"},     FactorModeUnitPrefix}, // nano
   101              {1E-6,                              Unit{"μ", "u"},     FactorModeUnitPrefix}, // micro
   102              {1E-3,                              Unit{"m", "m"},     FactorModeUnitPrefix}, // milli
   103              {1E-2,                              Unit{"c", "c"},     FactorModeUnitPrefix}, // centi
   104              {1E-1,                              Unit{"d", "d"},     FactorModeUnitPrefix}, // deci
   105              {1,                                 Unit{ "",  ""},     FactorModeIdentity},
   106              { 1E1,                              Unit{"da", "da"},   FactorModeUnitPrefix}, // deca
   107              { 1E2,                              Unit{"h", "h"},     FactorModeUnitPrefix}, // hecto
   108              { 1E3,                              Unit{"k", "k"},     FactorModeUnitPrefix}, // kilo
   109              { 1E6,                              Unit{"M", "M"},     FactorModeUnitPrefix},
   110              { 1E9,                              Unit{"G", "G"},     FactorModeUnitPrefix},
   111              {1E12,                              Unit{"T", "T"},     FactorModeUnitPrefix},
   112          },
   113      },
   114      SI: Factors{
   115          Factors: []Factor{
   116              {1E-9,                              Unit{"n", "n"},     FactorModeUnitPrefix}, // nano
   117              {1E-6,                              Unit{"μ", "u"},     FactorModeUnitPrefix}, // micro
   118              {1E-3,                              Unit{"m", "m"},     FactorModeUnitPrefix}, // milli
   119              {1,                                 Unit{ "",  ""},     FactorModeIdentity},
   120              { 1E3,                              Unit{"k", "k"},     FactorModeUnitPrefix}, // kilo
   121              { 1E6,                              Unit{"M", "M"},     FactorModeUnitPrefix},
   122              { 1E9,                              Unit{"G", "G"},     FactorModeUnitPrefix},
   123              {1E12,                              Unit{"T", "T"},     FactorModeUnitPrefix},
   124          },
   125      },
   126  }
   127  

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