6915746301

Committed 18 Nov 2023 07:02PM UTC coverage: 56.433% (-12.3%) from 68.751%

Build # 6915746301

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push

github

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web-flow

Commit Message

Merge 8b3fdc301 into f64e235fa

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80.9

/core/length.lua

local function _error_if_not_number (a)
  if type(a) ~= "number" then
    SU.error("We tried to do impossible arithmetic on a " .. SU.type(a) .. ". (That's a bug)", true)
  end
end

return pl.class({
    type = "length",
    length = nil,
    stretch = nil,
    shrink = nil,

    _init = function (self, spec, stretch, shrink)
      if stretch or shrink then
        self.length = SILE.measurement(spec or 0)
        self.stretch = SILE.measurement(stretch or 0)
        self.shrink = SILE.measurement(shrink or 0)
      elseif type(spec) == "number" then
        self.length = SILE.measurement(spec)
      elseif SU.type(spec) == "measurement" then
        self.length = spec
      elseif SU.type(spec) == "glue" then
        self.length = SILE.measurement(spec.width.length or 0)
        self.stretch = SILE.measurement(spec.width.stretch or 0)
        self.shrink = SILE.measurement(spec.width.shrink or 0)
      elseif type(spec) == "table" then
        self.length = SILE.measurement(spec.length or 0)
        self.stretch = SILE.measurement(spec.stretch or 0)
        self.shrink = SILE.measurement(spec.shrink or 0)
      elseif type(spec) == "string" then
        local amount = tonumber(spec)
        if type(amount) == "number" then
          self:_init(amount)
        else
          local parsed = SILE.parserBits.length:match(spec)
          if not parsed then SU.error("Could not parse length '"..spec.."'") end
          self:_init(parsed)
        end
      end
      if not self.length then self.length = SILE.measurement() end
      if not self.stretch then self.stretch = SILE.measurement() end
      if not self.shrink then self.shrink = SILE.measurement() end
    end,

    absolute = function (self)
      return SILE.length(self.length:tonumber(), self.stretch:tonumber(), self.shrink:tonumber())
    end,

    negate = function (self)
      return self:__unm()
    end,

    tostring = function (self)
      return self:__tostring()
    end,

    tonumber = function (self)
      return self.length:tonumber()
    end,

    new = function (_)
      SU.deprecated("SILE.length.new", "SILE.length", "0.10.0")
    end,

    make = function (_)
      SU.deprecated("SILE.length.make", "SILE.length", "0.10.0")
    end,

    parse = function (_)
      SU.deprecated("SILE.length.parse", "SILE.length", "0.10.0")
    end,

    fromLengthOrNumber = function (_, _)
      SU.deprecated("SILE.length.fromLengthOrNumber", "SILE.length", "0.10.0")
    end,

    __index = function (_, key)
      SU.deprecated("SILE.length." .. key, "SILE.length", "0.10.0")
    end,

    __tostring = function (self)
      local str = tostring(self.length)
      if self.stretch.amount ~= 0 then str = str .. " plus " .. tostring(self.stretch) end
      if self.shrink.amount  ~= 0 then str = str .. " minus " .. tostring(self.shrink) end
      return str
    end,

    __add = function (self, other)
      if type(self) == "number" then self, other = other, self end
      other = SU.cast("length", other)
      return SILE.length(self.length + other.length,
        self.stretch + other.stretch,
        self.shrink + other.shrink)
    end,

    -- See usage comments on SILE.measurement:___add()
    ___add = function (self, other)
      if SU.type(other) ~= "length" then
        self.length:___add(other)
      else
        self.length:___add(other.length)
        self.stretch:___add(other.stretch)
        self.shrink:___add(other.shrink)
      end
      return nil
    end,

    __sub = function (self, other)
      local result = SILE.length(self)
      other = SU.cast("length", other)
      result.length = result.length - other.length
      result.stretch = result.stretch - other.stretch
      result.shrink = result.shrink - other.shrink
      return result
    end,

    -- See usage comments on SILE.measurement:___add()
    ___sub = function (self, other)
      self.length:___sub(other.length)
      self.stretch:___sub(other.stretch)
      self.shrink:___sub(other.shrink)
      return nil
    end,

    __mul = function (self, other)
      if type(self) == "number" then self, other = other, self end
      _error_if_not_number(other)
      local result = SILE.length(self)
      result.length = result.length * other
      result.stretch = result.stretch * other
      result.shrink = result.shrink * other
      return result
    end,

    __div = function (self, other)
      local result = SILE.length(self)
      _error_if_not_number(other)
      result.length = result.length / other
      result.stretch = result.stretch / other
      result.shrink = result.shrink / other
      return result
    end,

    __unm = function (self)
      local result = SILE.length(self)
      result.length = result.length:__unm()
      return result
    end,

    __lt = function (self, other)
      local a = SU.cast("number", self)
      local b = SU.cast("number", other)
      return a - b < 0
    end,

    __le = function (self, other)
      local a = SU.cast("number", self)
      local b = SU.cast("number", other)
      return a - b <= 0
    end,

    __eq = function (self, other)
      local a = SU.cast("length", self)
      local b = SU.cast("length", other)
      return a.length == b.length and a.stretch == b.stretch and a.shrink == b.shrink
    end

  })

1	local function _error_if_not_number (a)
2	if type(a) ~= "number" then	899✔
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({	34✔
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	59,902✔
15	self.length = SILE.measurement(spec or 0)	26,512✔
16	self.stretch = SILE.measurement(stretch or 0)	26,512✔
17	self.shrink = SILE.measurement(shrink or 0)	26,512✔
18	elseif type(spec) == "number" then	46,646✔
19	self.length = SILE.measurement(spec)	38,746✔
20	elseif SU.type(spec) == "measurement" then	54,546✔
21	self.length = spec	651✔
22	elseif SU.type(spec) == "glue" then	53,244✔
23	self.length = SILE.measurement(spec.width.length or 0)	×
24	self.stretch = SILE.measurement(spec.width.stretch or 0)	×
25	self.shrink = SILE.measurement(spec.width.shrink or 0)	×
26	elseif type(spec) == "table" then	26,622✔
27	self.length = SILE.measurement(spec.length or 0)	18,162✔
28	self.stretch = SILE.measurement(spec.stretch or 0)	18,162✔
29	self.shrink = SILE.measurement(spec.shrink or 0)	18,162✔
30	elseif type(spec) == "string" then	17,541✔
31	local amount = tonumber(spec)	528✔
32	if type(amount) == "number" then	528✔
33	self:_init(amount)	2✔
34	else
35	local parsed = SILE.parserBits.length:match(spec)	527✔
36	if not parsed then SU.error("Could not parse length '"..spec.."'") end	527✔
37	self:_init(parsed)	527✔
38	end
39	end
40	if not self.length then self.length = SILE.measurement() end	76,915✔
41	if not self.stretch then self.stretch = SILE.measurement() end	96,939✔
42	if not self.shrink then self.shrink = SILE.measurement() end	96,939✔
43	end,
44
45	absolute = function (self)
46	return SILE.length(self.length:tonumber(), self.stretch:tonumber(), self.shrink:tonumber())	19,992✔
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()	39,222✔
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)	2✔
83	if self.stretch.amount ~= 0 then str = str .. " plus " .. tostring(self.stretch) end	3✔
84	if self.shrink.amount ~= 0 then str = str .. " minus " .. tostring(self.shrink) end	2✔
85	return str	2✔
86	end,
87
88	__add = function (self, other)
89	if type(self) == "number" then self, other = other, self end	7,303✔
90	other = SU.cast("length", other)	14,606✔
91	return SILE.length(self.length + other.length,	7,303✔
92	self.stretch + other.stretch,	7,303✔
93	self.shrink + other.shrink)	14,606✔
94	end,
95
96	-- See usage comments on SILE.measurement:___add()
97	___add = function (self, other)
98	if SU.type(other) ~= "length" then	32,928✔
99	self.length:___add(other)	1,668✔
100	else
101	self.length:___add(other.length)	15,630✔
102	self.stretch:___add(other.stretch)	15,630✔
103	self.shrink:___add(other.shrink)	15,630✔
104	end
105	return nil	16,464✔
106	end,
107
108	__sub = function (self, other)
109	local result = SILE.length(self)	4,990✔
110	other = SU.cast("length", other)	9,980✔
111	result.length = result.length - other.length	9,980✔
112	result.stretch = result.stretch - other.stretch	9,980✔
113	result.shrink = result.shrink - other.shrink	9,980✔
114	return result	4,990✔
115	end,
116
117	-- See usage comments on SILE.measurement:___add()
118	___sub = function (self, other)
119	self.length:___sub(other.length)	1,250✔
120	self.stretch:___sub(other.stretch)	1,250✔
121	self.shrink:___sub(other.shrink)	1,250✔
122	return nil	1,250✔
123	end,
124
125	__mul = function (self, other)
126	if type(self) == "number" then self, other = other, self end	796✔
127	_error_if_not_number(other)	796✔
128	local result = SILE.length(self)	796✔
129	result.length = result.length * other	1,592✔
130	result.stretch = result.stretch * other	1,592✔
131	result.shrink = result.shrink * other	1,592✔
132	return result	796✔
133	end,
134
135	__div = function (self, other)
136	local result = SILE.length(self)	103✔
137	_error_if_not_number(other)	103✔
138	result.length = result.length / other	206✔
139	result.stretch = result.stretch / other	206✔
140	result.shrink = result.shrink / other	206✔
141	return result	103✔
142	end,
143
144	__unm = function (self)
145	local result = SILE.length(self)	×
146	result.length = result.length:__unm()	×
147	return result	×
148	end,
149
150	__lt = function (self, other)
151	local a = SU.cast("number", self)	9,888✔
152	local b = SU.cast("number", other)	9,888✔
153	return a - b < 0	9,888✔
154	end,
155
156	__le = function (self, other)
157	local a = SU.cast("number", self)	3✔
158	local b = SU.cast("number", other)	3✔
159	return a - b <= 0	3✔
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	})	34✔

sile-typesetter / sile / 6915746301

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