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--
-- Copyright (c) 2021-2024 Zeping Lee
-- Released under the MIT license.
-- Repository: https://github.com/zepinglee/citeproc-lua
--
local bibliography_module = {}
local context
local element
local ir_node
local output
local node_names
local util
if kpse then
context = require("citeproc-context")
element = require("citeproc-element")
ir_node = require("citeproc-ir-node")
output = require("citeproc-output")
node_names = require("citeproc-node-names")
util = require("citeproc-util")
else
context = require("citeproc.context")
element = require("citeproc.element")
ir_node = require("citeproc.ir-node")
output = require("citeproc.output")
node_names = require("citeproc.node-names")
util = require("citeproc.util")
end
local Context = context.Context
local IrState = context.IrState
local Element = element.Element
local IrNode = ir_node.IrNode
local Rendered = ir_node.Rendered
local SeqIr = ir_node.SeqIr
local GroupVar = ir_node.GroupVar
local PlainText = output.PlainText
local DisamStringFormat = output.DisamStringFormat
local YearSuffix = ir_node.YearSuffix
---@class Bibliography: Element
---@field hanging_indent boolean
---@field second_field_align string?
---@field line_spacing number
---@field entry_spacing number
---@field subsequent_author_substitute string?
---@field subsequent_author_substitute_rule string
---@field layout Layout
---@field layouts_by_language table<string, Layout>
---@field name_inheritance Name
local Bibliography = Element:derive("bibliography", {
hanging_indent = false,
line_spacing = 1,
entry_spacing = 1,
subsequent_author_substitute_rule = "complete-all"
})
function Bibliography:from_node(node, style)
local o = Bibliography:new()
o.children = {}
o.layout = nil
o.layouts_by_language = {}
o:process_children_nodes(node)
-- o.layouts = nil -- CSL-M extension
for _, child in ipairs(o.children) do
local element_name = child.element_name
if element_name == "layout" then
if child.locale then
for _, lang in ipairs(util.split(util.strip(child.locale))) do
o.layouts_by_language[lang] = child
end
else
o.layout = child
end
elseif element_name == "sort" then
o.sort = child
end
end
-- Whitespace
o:set_bool_attribute(node, "hanging-indent")
o:set_attribute(node, "second-field-align")
o:set_number_attribute(node, "line-spacing")
o:set_number_attribute(node, "entry-spacing")
-- Reference Grouping
o:set_attribute(node, "subsequent-author-substitute")
o:set_attribute(node, "subsequent-author-substitute-rule")
local name_inheritance = node_names.Name:new()
for key, value in pairs(style.name_inheritance) do
if value ~= nil then
name_inheritance[key] = value
end
end
Element.make_name_inheritance(name_inheritance, node)
o.name_inheritance = name_inheritance
return o
end
---comment
---@param id string
---@param engine CiteProc
---@return string?
function Bibliography:build_bibliography_str(id, engine)
local output_format = engine.output_format
local state = IrState:new()
local context = Context:new()
context.engine = engine
context.style = engine.style
context.area = self
context.in_bibliography = true
-- context.locale = engine:get_locale(engine.lang)
context.name_inheritance = self.name_inheritance
context.format = output_format
context.id = id
context.cite = nil
context.reference = engine:get_item(id)
-- CSL-M: `layout` extension
local active_layout, context_lang = util.get_layout_by_language(self, engine, context.reference)
context.locale = engine:get_locale(context_lang)
local ir = self:build_ir(engine, state, context, active_layout)
-- util.debug(ir)
ir.reference = context.reference
-- Add year-suffix
self:add_bibliography_year_suffix(ir, engine)
-- The layout output may be empty: sort_OmittedBibRefNonNumericStyle.txt
if not ir then
return nil
end
-- util.debug(ir)
local flat = ir:flatten(output_format)
-- util.debug(flat)
local str = output_format:output_bibliography_entry(flat, context)
return str
end
function Bibliography:build_ir(engine, state, context, active_layout)
if not active_layout then
util.error("Missing bibliography layout.")
end
local ir = active_layout:build_ir(engine, state, context)
-- util.debug(ir)
if self.second_field_align == "flush" and #ir.children >= 2 then
ir.children[1].display = "left-margin"
local right_inline_ir = SeqIr:new(util.slice(ir.children, 2), self)
right_inline_ir.display = "right-inline"
if ir.affixes then
right_inline_ir.affixes = ir.affixes
right_inline_ir.formatting = ir.formatting
ir.affixes = nil
ir.formatting = nil
end
ir.children = {ir.children[1], right_inline_ir}
end
if self.subsequent_author_substitute then
self:substitute_subsequent_authors(engine, ir)
end
if not ir then
ir = Rendered:new({PlainText:new("[CSL STYLE ERROR: reference with no printed form.]")}, self)
end
return ir
end
function Bibliography:substitute_subsequent_authors(engine, ir)
ir.first_name_ir = self:find_first_name_ir(ir) -- should be a SeqIr wiht _element_name = "names"
if not ir.first_name_ir then
engine.previous_bib_names_ir = nil
return
end
if self.subsequent_author_substitute_rule == "complete-all" then
self:substitute_subsequent_authors_complete_all(engine, ir)
elseif self.subsequent_author_substitute_rule == "complete-each" then
self:substitute_subsequent_authors_complete_each(engine, ir)
elseif self.subsequent_author_substitute_rule == "partial-each" then
self:substitute_subsequent_authors_partial_each(engine, ir)
elseif self.subsequent_author_substitute_rule == "partial-first" then
self:substitute_subsequent_authors_partial_first(engine, ir)
end
engine.previous_bib_names_ir = ir.first_name_ir
end
function Bibliography:find_first_name_ir(ir)
if ir._type == "NameIr" then
return ir
elseif ir.children then
for _, child_ir in ipairs(ir.children) do
local first_name_ir = self:find_first_name_ir(child_ir)
if first_name_ir then
return first_name_ir
end
end
end
return nil
end
function Bibliography:substitute_subsequent_authors_complete_all(engine, ir)
local bib_names_str = ""
if #ir.first_name_ir.person_name_irs > 0 then
for _, person_name_ir in ipairs(ir.first_name_ir.person_name_irs) do
if bib_names_str ~= "" then
bib_names_str = bib_names_str .. " "
end
local name_variants = person_name_ir.disam_variants
bib_names_str = bib_names_str .. name_variants[#name_variants]
end
else
-- In case of a <text variable="title"/> in <substitute>
local disam_format = DisamStringFormat:new()
local inlines = ir.first_name_ir:flatten(disam_format)
bib_names_str = disam_format:output(inlines)
end
ir.first_name_ir.bib_names_str = bib_names_str
if engine.previous_bib_names_ir and
engine.previous_bib_names_ir.bib_names_str == bib_names_str then
---@type string
local text = self.subsequent_author_substitute
if text == "" then
ir.first_name_ir.children = {}
ir.first_name_ir.group_var = GroupVar.Missing
else
-- the output of label is not substituted
-- util.debug(ir.first_name_ir)
ir.first_name_ir.children = {Rendered:new({PlainText:new(text)}, self)}
end
end
end
function Bibliography:substitute_subsequent_authors_complete_each(engine, ir)
local bib_names_str = ""
if #ir.first_name_ir.person_name_irs > 0 then
for _, person_name_ir in ipairs(ir.first_name_ir.person_name_irs) do
if bib_names_str ~= "" then
bib_names_str = bib_names_str .. " "
end
local name_variants = person_name_ir.disam_variants
bib_names_str = bib_names_str .. name_variants[#name_variants]
end
else
-- In case of a <text variable="title"/> in <substitute>
local disam_format = DisamStringFormat:new()
local inlines = ir.first_name_ir:flatten(disam_format)
bib_names_str = disam_format:output(inlines)
end
ir.first_name_ir.bib_names_str = bib_names_str
if engine.previous_bib_names_ir and
engine.previous_bib_names_ir.bib_names_str == bib_names_str then
---@type string
local text = self.subsequent_author_substitute
if #ir.first_name_ir.person_name_irs > 0 then
for _, person_name_ir in ipairs(ir.first_name_ir.person_name_irs) do
person_name_ir.inlines = {PlainText:new(text)}
end
else
-- In case of a <text variable="title"/> in <substitute>
if text == "" then
ir.first_name_ir.children = {}
ir.first_name_ir.group_var = GroupVar.Missing
else
ir.first_name_ir.children = {Rendered:new({PlainText:new(text)}, self)}
end
end
end
end
function Bibliography:substitute_subsequent_authors_partial_each(engine, ir)
local bib_names_str = ""
if #ir.first_name_ir.person_name_irs > 0 then
if engine.previous_bib_names_ir then
for i, person_name_ir in ipairs(ir.first_name_ir.person_name_irs) do
local prev_name_ir = engine.previous_bib_names_ir.person_names[i]
if prev_name_ir then
local prev_name_variants = prev_name_ir.disam_variants
local prev_full_name_str = prev_name_variants[#prev_name_variants]
local name_variants = person_name_ir.disam_variants
local full_name_str = name_variants[#name_variants]
if prev_full_name_str == full_name_str then
---@type string
local text = self.subsequent_author_substitute
person_name_ir.inlines = {PlainText:new(text)}
else
break
end
end
end
end
else
-- In case of a <text variable="title"/> in <substitute>
local disam_format = DisamStringFormat:new()
local inlines = ir.first_name_ir:flatten(disam_format)
bib_names_str = disam_format:output(inlines)
ir.first_name_ir.bib_names_str = bib_names_str
if engine.previous_bib_names_ir and
engine.previous_bib_names_ir.bib_names_str == bib_names_str then
---@type string
local text = self.subsequent_author_substitute
if text == "" then
ir.first_name_ir.children = {}
ir.first_name_ir.group_var = GroupVar.Missing
else
ir.first_name_ir.children = {Rendered:new({PlainText:new(text)}, self)}
end
end
end
end
function Bibliography:substitute_subsequent_authors_partial_first(engine, ir)
end
function Bibliography:add_bibliography_year_suffix(ir, engine)
if not ir.reference.year_suffix_number then
return
end
local year_suffix_number = ir.reference.year_suffix_number
if not ir.year_suffix_irs then
ir.year_suffix_irs = ir:collect_year_suffix_irs()
if #ir.year_suffix_irs == 0 then
local year_ir = ir:find_first_year_ir()
-- util.debug(year_ir)
if year_ir then
local year_suffix_ir = YearSuffix:new({}, engine.style.citation)
table.insert(year_ir.children, year_suffix_ir)
table.insert(ir.year_suffix_irs, year_suffix_ir)
end
end
end
for _, year_suffix_ir in ipairs(ir.year_suffix_irs) do
year_suffix_ir.inlines = {PlainText:new(ir.reference["year-suffix"])}
year_suffix_ir.group_var = GroupVar.Important
end
end
bibliography_module.Bibliography = Bibliography
return bibliography_module
|