• Home
  • Features
  • Pricing
  • Docs
  • Announcements
  • Sign In

sile-typesetter / sile / 7207579583

14 Dec 2023 10:27AM UTC coverage: 68.747% (-5.9%) from 74.636%
7207579583

push

github

web-flow
Merge 16f939414 into 44b7f10ee

10827 of 15749 relevant lines covered (68.75%)

3733.12 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

87.64
/core/length.lua
1
local function _error_if_not_number (a)
2
  if type(a) ~= "number" then
1,483✔
3
    SU.error("We tried to do impossible arithmetic on a " .. SU.type(a) .. ". (That's a bug)", true)
×
4
  end
5
end
6

7
return pl.class({
81✔
8
    type = "length",
9
    length = nil,
10
    stretch = nil,
11
    shrink = nil,
12

13
    _init = function (self, spec, stretch, shrink)
14
      if stretch or shrink then
216,920✔
15
        self.length = SILE.measurement(spec or 0)
90,646✔
16
        self.stretch = SILE.measurement(stretch or 0)
90,646✔
17
        self.shrink = SILE.measurement(shrink or 0)
90,646✔
18
      elseif type(spec) == "number" then
171,597✔
19
        self.length = SILE.measurement(spec)
130,322✔
20
      elseif SU.type(spec) == "measurement" then
212,872✔
21
        self.length = spec
2,598✔
22
      elseif SU.type(spec) == "glue" then
207,676✔
23
        self.length = SILE.measurement(spec.width.length or 0)
48✔
24
        self.stretch = SILE.measurement(spec.width.stretch or 0)
48✔
25
        self.shrink = SILE.measurement(spec.width.shrink or 0)
48✔
26
      elseif type(spec) == "table" then
103,814✔
27
        self.length = SILE.measurement(spec.length or 0)
66,826✔
28
        self.stretch = SILE.measurement(spec.stretch or 0)
66,826✔
29
        self.shrink = SILE.measurement(spec.shrink or 0)
66,826✔
30
      elseif type(spec) == "string" then
70,401✔
31
        local amount = tonumber(spec)
1,487✔
32
        if type(amount) == "number" then
1,487✔
33
          self:_init(amount)
4✔
34
        else
35
          local parsed = SILE.parserBits.length:match(spec)
1,485✔
36
          if not parsed then SU.error("Could not parse length '"..spec.."'") end
1,485✔
37
          self:_init(parsed)
1,485✔
38
        end
39
      end
40
      if not self.length then self.length = SILE.measurement() end
285,834✔
41
      if not self.stretch then self.stretch = SILE.measurement() end
353,593✔
42
      if not self.shrink then self.shrink = SILE.measurement() end
353,593✔
43
    end,
44

45
    absolute = function (self)
46
      return SILE.length(self.length:tonumber(), self.stretch:tonumber(), self.shrink:tonumber())
87,512✔
47
    end,
48

49
    negate = function (self)
50
      return self:__unm()
×
51
    end,
52

53
    tostring = function (self)
54
      return self:__tostring()
×
55
    end,
56

57
    tonumber = function (self)
58
      return self.length:tonumber()
181,407✔
59
    end,
60

61
    new = function (_)
62
      SU.deprecated("SILE.length.new", "SILE.length", "0.10.0")
×
63
    end,
64

65
    make = function (_)
66
      SU.deprecated("SILE.length.make", "SILE.length", "0.10.0")
×
67
    end,
68

69
    parse = function (_)
70
      SU.deprecated("SILE.length.parse", "SILE.length", "0.10.0")
×
71
    end,
72

73
    fromLengthOrNumber = function (_, _)
74
      SU.deprecated("SILE.length.fromLengthOrNumber", "SILE.length", "0.10.0")
×
75
    end,
76

77
    __index = function (_, key)
78
      SU.deprecated("SILE.length." .. key, "SILE.length", "0.10.0")
×
79
    end,
80

81
    __tostring = function (self)
82
      local str = tostring(self.length)
31✔
83
      if self.stretch.amount ~= 0 then str = str .. " plus " .. tostring(self.stretch) end
53✔
84
      if self.shrink.amount  ~= 0 then str = str .. " minus " .. tostring(self.shrink) end
31✔
85
      return str
31✔
86
    end,
87

88
    __add = function (self, other)
89
      if type(self) == "number" then self, other = other, self end
18,961✔
90
      other = SU.cast("length", other)
37,922✔
91
      return SILE.length(self.length + other.length,
18,961✔
92
        self.stretch + other.stretch,
18,961✔
93
        self.shrink + other.shrink)
37,922✔
94
    end,
95

96
    -- See usage comments on SILE.measurement:___add()
97
    ___add = function (self, other)
98
      if SU.type(other) ~= "length" then
139,860✔
99
        self.length:___add(other)
8,092✔
100
      else
101
        self.length:___add(other.length)
65,884✔
102
        self.stretch:___add(other.stretch)
65,884✔
103
        self.shrink:___add(other.shrink)
65,884✔
104
      end
105
      return nil
69,930✔
106
    end,
107

108
    __sub = function (self, other)
109
      local result = SILE.length(self)
19,047✔
110
      other = SU.cast("length", other)
38,094✔
111
      result.length = result.length - other.length
38,094✔
112
      result.stretch = result.stretch - other.stretch
38,094✔
113
      result.shrink = result.shrink - other.shrink
38,094✔
114
      return result
19,047✔
115
    end,
116

117
    -- See usage comments on SILE.measurement:___add()
118
    ___sub = function (self, other)
119
      self.length:___sub(other.length)
5,140✔
120
      self.stretch:___sub(other.stretch)
5,140✔
121
      self.shrink:___sub(other.shrink)
5,140✔
122
      return nil
5,140✔
123
    end,
124

125
    __mul = function (self, other)
126
      if type(self) == "number" then self, other = other, self end
1,296✔
127
      _error_if_not_number(other)
1,296✔
128
      local result = SILE.length(self)
1,296✔
129
      result.length = result.length * other
2,592✔
130
      result.stretch = result.stretch * other
2,592✔
131
      result.shrink = result.shrink * other
2,592✔
132
      return result
1,296✔
133
    end,
134

135
    __div = function (self, other)
136
      local result = SILE.length(self)
187✔
137
      _error_if_not_number(other)
187✔
138
      result.length = result.length / other
374✔
139
      result.stretch = result.stretch / other
374✔
140
      result.shrink = result.shrink / other
374✔
141
      return result
187✔
142
    end,
143

144
    __unm = function (self)
145
      local result = SILE.length(self)
32✔
146
      result.length = result.length:__unm()
64✔
147
      return result
32✔
148
    end,
149

150
    __lt = function (self, other)
151
      local a = SU.cast("number", self)
49,432✔
152
      local b = SU.cast("number", other)
49,432✔
153
      return a - b < 0
49,432✔
154
    end,
155

156
    __le = function (self, other)
157
      local a = SU.cast("number", self)
26✔
158
      local b = SU.cast("number", other)
26✔
159
      return a - b <= 0
26✔
160
    end,
161

162
    __eq = function (self, other)
163
      local a = SU.cast("length", self)
×
164
      local b = SU.cast("length", other)
×
165
      return a.length == b.length and a.stretch == b.stretch and a.shrink == b.shrink
×
166
    end
167

168
  })
81✔
STATUS · Troubleshooting · Open an Issue · Sales · Support · CAREERS · ENTERPRISE · START FREE · SCHEDULE DEMO
ANNOUNCEMENTS · TWITTER · TOS & SLA · Supported CI Services · What's a CI service? · Automated Testing

© 2026 Coveralls, Inc