summaryrefslogtreecommitdiff
path: root/biblio/citation-style-language/citeproc-ir-node.lua
blob: 50fe34b05932512f022250705d5e29a996b7bc5a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
--
-- Copyright (c) 2021-2022 Zeping Lee
-- Released under the MIT license.
-- Repository: https://github.com/zepinglee/citeproc-lua
--

local irnode = {}

local util = require("citeproc-util")


local IrNode = {
  _element = nil,
  _type = "IrNode",
  _base_class = "IrNode",
  text = nil,
  formatting = nil,
  affixes = nil,
  children = nil,
  delimiter = nil,
}

function IrNode:new(children, element)
  local o = {
    _element = element.element_name,
    _type = self._type,
    children = children,
    group_var = "plain",
  }

  o.group_var = "missing"
  for _, child_ir in ipairs(children) do
    if child_ir.group_var == "important" then
      o.group_var = "important"
      break
    elseif child_ir.group_var == "plain" then
      o.group_var = "plain"
    end
  end

  o.person_name_irs = {}
  if children then
    for _, child in ipairs(children) do
      if child.person_name_irs then
        util.extend(o.person_name_irs, child.person_name_irs)
      end
    end
  end

  setmetatable(o, self)
  self.__index = self
  return o
end

function IrNode:derive(type)
  local o = {
    _type = type,
  }
  setmetatable(o, self)
  self.__index = self
  return o
end

function IrNode:flatten(format)
  return format:flatten_ir(self)
end

function IrNode:capitalize_first_term()
  -- util.debug(self)
  if self._type == "Rendered" and self.element and (self.element.term == "ibid" or self.element.term == "and") then
    self.inlines[1]:capitalize_first_term()
  elseif self._type == "SeqIr" and self.children[1] then
    self.children[1]:capitalize_first_term()
  end
end

function IrNode:collect_year_suffix_irs()
  local year_suffix_irs = {}
  if self.children then
    for i, child_ir in ipairs(self.children) do
      if child_ir._type == "YearSuffix" then
        table.insert(year_suffix_irs, child_ir)
      elseif child_ir.children then
        util.extend(year_suffix_irs,
          child_ir:collect_year_suffix_irs())
      end
    end
  end
  return year_suffix_irs
end

function IrNode:find_first_year_ir()
  if self.is_year then
    return self
  end
  if self.children then
    for _, child_ir in ipairs(self.children) do
      local year_ir = child_ir:find_first_year_ir()
      if year_ir then
        return year_ir
      end
    end
  end
  return nil
end


local Rendered = IrNode:derive("Rendered")

function Rendered:new(inlines, element)
  local o = {
    _element = element.element_name,
    _type = self._type,
    element = element,  -- required for capitalizing first term
    inlines = inlines,
    group_var = "plain",
  }

  setmetatable(o, self)
  self.__index = self
  return o
end


local YearSuffix = IrNode:derive("YearSuffix")

function YearSuffix:new(inlines, element)
  local o = {
    _element = element.element_name,
    _type = self._type,
    element = element,
    inlines = inlines,
    group_var = "plain",
  }

  setmetatable(o, self)
  self.__index = self
  return o
end


local NameIr = IrNode:derive("NameIr")


local PersonNameIr = IrNode:derive("PersonNameIr")

function PersonNameIr:new(inlines, element)
  local o = {
    _element = element.element_name,
    _type = self._type,
    inlines = inlines,
    group_var = "plain",
  }
  setmetatable(o, self)
  self.__index = self
  return o
end


local SeqIr = IrNode:derive("SeqIr")

-- function SeqIr:new(children)
--   o = IrNode.new(self, children)
--   local o = {
--     children = children,
--     group_var = "plain",
--   }
--   setmetatable(o, self)
--   self.__index = self
--   return o
-- end



irnode.IrNode = IrNode
irnode.Rendered = Rendered
irnode.YearSuffix = YearSuffix
irnode.NameIr = NameIr
irnode.PersonNameIr = PersonNameIr
irnode.SeqIr = SeqIr

return irnode