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--
-- Copyright (c) 2021-2024 Zeping Lee
-- Released under the MIT license.
-- Repository: https://github.com/zepinglee/citeproc-lua
--
local irnode = {}
local util
if kpse then
util = require("citeproc-util")
else
util = require("citeproc.util")
end
---@enum GroupVar
local GroupVar = {
Plain = 0,
Important = 1,
Missing = 2,
UnresolvedPlain = 3,
}
---@class IrNode
---@field _element Element?
---@field _element_name string?
---@field _type string
---@field _base_class string
---@field text string?
---@field formatting any
---@field affixes any
---@field display any
---@field quotes LocalizedQuotes
---@field inlines InlineElement[]?
---@field children IrNode[]?
---@field delimiter string?
---@field should_inherit_delim boolean?
---@field group_var GroupVar
---@field sort_key string | boolean?
---@field person_name_irs IrNode[]
---@field name_count integer?
---@field is_year boolean?
local IrNode = {
_element = nil,
_element_name = nil,
_type = "IrNode",
_base_class = "IrNode",
text = nil,
formatting = nil,
affixes = nil,
children = nil,
delimiter = nil,
}
---@param children IrNode[]
---@param element Element
---@return IrNode
function IrNode:new(children, element)
local o = {
_element = element,
_element_name = element.element_name,
_type = self._type,
children = children,
group_var = GroupVar.Plain,
}
o.group_var = GroupVar.Missing
for _, child_ir in ipairs(children) do
if child_ir.group_var == GroupVar.Important then
o.group_var = GroupVar.Important
break
elseif child_ir.group_var == GroupVar.Plain then
o.group_var = GroupVar.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
---@param level integer
---@return string
function IrNode:_debug(level)
level = level or 0
local ir_info_str = ""
local ir_info = {}
if self.delimiter then
table.insert(ir_info, string.format('delimiter: "%s"', self.delimiter))
end
if self.should_inherit_delim then
table.insert(ir_info, "should_inherit_delim: true")
end
if self.person_name_irs then
table.insert(ir_info, "person_name_irs: " .. tostring(#self.person_name_irs))
end
if #ir_info > 0 then
ir_info_str = string.format("{%s}", table.concat(ir_info, ' '))
end
local element_info = self._element.element_name
for _, attr in ipairs({"name", "variable"}) do
if self._element[attr] then
element_info = element_info .. string.format(' %s="%s"', attr, self._element[attr])
end
end
local text = string.format("\n%s [%s] %s <%s> %s", string.rep(" ", level), self.group_var, self._type, element_info, ir_info_str)
if self.children and #self.children > 0 then
for _, child_ir in ipairs(self.children) do
text = text .. child_ir:_debug(level + 1)
end
elseif self.inlines then
for _, inline in ipairs(self.inlines) do
text = text .. " " .. inline:_debug()
end
end
return text
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 then
local element = self._element
---@cast element Text
if (element.term == "ibid" or element.term == "and") then
self.inlines[1]:capitalize_first_term()
end
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()
-- This also find the citation-label 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
---@class Rendered: IrNode
local Rendered = IrNode:derive("Rendered")
function Rendered:new(inlines, element)
local o = {
_element = element,
_element_name = element.element_name,
_type = self._type,
element = element, -- required for capitalizing first term
inlines = inlines,
group_var = GroupVar.Plain,
}
setmetatable(o, self)
self.__index = self
return o
end
---@class YearSuffix: IrNode
local YearSuffix = IrNode:derive("YearSuffix")
function YearSuffix:new(inlines, element)
local o = {
_element = element,
_element_name = element.element_name,
_type = self._type,
element = element,
inlines = inlines,
group_var = GroupVar.Plain,
}
setmetatable(o, self)
self.__index = self
return o
end
---@class NameIr: IrNode
local NameIr = IrNode:derive("NameIr")
---@class PersonNameIr: IrNode
local PersonNameIr = IrNode:derive("PersonNameIr")
function PersonNameIr:new(inlines, element)
local o = {
_element = element,
_element_name = element.element_name,
_type = self._type,
inlines = inlines,
group_var = GroupVar.Plain,
}
setmetatable(o, self)
self.__index = self
return o
end
---@class SeqIr: IrNode
---@field children IrNode[]
---@field disambiguate_branch_ir IrNode?
local SeqIr = IrNode:derive("SeqIr")
-- function SeqIr:new(children)
-- o = IrNode.new(self, children)
-- local o = {
-- children = children,
-- group_var = GroupVar.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
irnode.GroupVar = GroupVar
return irnode
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