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--
-- Copyright (c) 2021-2022 Zeping Lee
-- Released under the MIT license.
-- Repository: https://github.com/zepinglee/citeproc-lua
--
local text_module = {}
local Element = require("citeproc-element").Element
local Rendered = require("citeproc-ir-node").Rendered
local YearSuffix = require("citeproc-ir-node").YearSuffix
local PlainText = require("citeproc-output").PlainText
local Linked = require("citeproc-output").Linked
local util = require("citeproc-util")
-- [Text](https://docs.citationstyles.org/en/stable/specification.html#text)
local Text = Element:derive("text", {
-- Default attributes
variable = nil,
form = "long",
macro = nil,
term = nil,
plural = false,
value = nil,
-- Style behavior
formatting = nil,
affixes = nil,
delimiter = nil,
display = nil,
quotes = false,
strip_periods = false,
text_case = nil,
})
function Text:from_node(node)
local o = Text:new()
o:set_attribute(node, "variable")
o:set_attribute(node, "form")
o:set_attribute(node, "macro")
o:set_attribute(node, "term")
o:set_bool_attribute(node, "plural")
o:set_attribute(node, "value")
o:set_formatting_attributes(node)
o:set_affixes_attributes(node)
o:set_display_attribute(node)
o:set_quotes_attribute(node)
o:set_strip_periods_attribute(node)
o:set_text_case_attribute(node)
return o
end
function Text:build_ir(engine, state, context)
local ir = nil
if self.variable then
ir = self:build_variable_ir(engine, state, context)
elseif self.macro then
ir = self:build_macro_ir(engine, state, context)
elseif self.term then
ir = self:build_term_ir(engine, state, context)
elseif self.value then
ir = self:build_value_ir(engine, state, context)
end
return ir
end
function Text:build_variable_ir(engine, state, context)
local variable = self.variable
local text
if variable == "year-suffix" then
return self:build_year_suffix_ir(engine, state, context)
end
if not state.suppressed[variable] then
text = context:get_variable(variable, self.form)
end
if not text then
local ir = Rendered:new({}, self)
ir.group_var = "missing"
return ir
end
if type(text) == "number" then
text = tostring(text)
end
if util.variable_types[variable] == "number" then
text = self:format_number(text, variable, "numeric", context)
end
local inlines
-- if not engine.opt then
-- print(debug.traceback())
-- end
-- if engine.opt.wrap_url_and_doi and (variable == "URL" or variable == "DOI" or
-- variable == "PMID" or variable == "PMID") then
if variable == "URL" or variable == "DOI" or variable == "PMID" or variable == "PMID" then
inlines = self:render_linked(engine, state, context, variable, text)
else
inlines = self:render_text_inlines(text, context)
end
local ir = Rendered:new(inlines, self)
ir.group_var = "important"
if variable == "citation-number" then
ir.citation_number = context.reference["citation-number"]
end
-- Suppress substituted name variable
if state.name_override and not context.sort_key then
state.suppressed[variable] = true
end
return ir
end
function Text:render_linked(engine, state, context, variable, text)
local href
local url_prefix = false -- The prefix is used as part of the URL.
if variable == "URL" then
href = text
elseif self.affixes and self.affixes.prefix and string.match(self.affixes.prefix, "https?://") then
text = self.affixes.prefix .. text
href = text
url_prefix = true
elseif variable == "DOI" then
href = "https://doi.org/" .. text
elseif variable == "PMID" then
href = "https://www.ncbi.nlm.nih.gov/pubmed/" .. text
elseif variable == "PMCID" then
href = "https://www.ncbi.nlm.nih.gov/pmc/articles/" .. text
end
local inlines = {Linked:new(text, href)}
local output_format = context.format
local localized_quotes = nil
if self.quotes then
localized_quotes = context:get_localized_quotes()
end
inlines = output_format:with_format(inlines, self.formatting)
inlines = output_format:affixed_quoted(inlines, self.affixes, localized_quotes)
if url_prefix then
table.remove(inlines, 1)
end
return output_format:with_display(inlines, self.display)
end
function Text:build_year_suffix_ir(engine, state, context)
local text = context:get_variable(self.variable, self.form)
local group_var
if text then
group_var = "important"
else
text = ""
group_var = "missing"
end
local ir = YearSuffix:new({PlainText:new(text)}, self)
ir.group_var = group_var
ir.affixes = util.clone(self.affixes)
ir.display = self.display
ir.formatting = util.clone(self.formatting)
if self.quotes then
ir.quotes = context:get_localized_quotes()
end
return ir
end
function Text:build_macro_ir(engine, state, context)
local macro = context:get_macro(self.macro)
state:push_macro(self.macro)
local ir = macro:build_ir(engine, state, context)
state:pop_macro(self.macro)
if ir then
ir.affixes = util.clone(self.affixes)
ir.display = self.display
ir.formatting = util.clone(self.formatting)
if self.quotes then
ir.quotes = context:get_localized_quotes()
end
end
return ir
end
function Text:build_term_ir(engine, state, context)
local str = context:get_simple_term(self.term, self.form, self.plural)
if not str then
return nil
end
local inlines = self:render_text_inlines(str, context)
return Rendered:new(inlines, self)
end
function Text:build_value_ir(engine, state, context)
local inlines = self:render_text_inlines(self.value, context)
return Rendered:new(inlines, self)
end
text_module.Text = Text
return text_module
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