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--
-- Copyright (c) 2021-2022 Zeping Lee
-- Released under the MIT license.
-- Repository: https://github.com/zepinglee/citeproc-lua
--
local style = {}
local element = require("citeproc-element")
local util = require("citeproc-util")
local Style = element.Element:new()
Style.default_options = {
["initialize-with-hyphen"] = true,
["page-range-format"] = nil,
["demote-non-dropping-particle"] = "display-and-sort",
}
function Style:set_lang(lang, force_lang)
local default_locale = self:get_attribute("default-locale")
if lang then
if default_locale and not force_lang then
self.lang = default_locale
end
else
self.lang = default_locale or "en-US"
end
end
function Style:render_citation (items, context)
self:debug_info(context)
context = self:process_context(context)
context.style = self
local citation = self:get_child("citation")
return citation:render(items, context)
end
function Style:render_biblography (items, context)
self:debug_info(context)
context = self:process_context(context)
context.style = self
local bibliography = self:get_child("bibliography")
return bibliography:render(items, context)
end
function Style:get_version ()
return self:get_attribute("version")
end
function Style:get_locales()
if not self.locale_dict then
self.locale_dict = {}
end
local locales = self.locale_dict[self.lang]
if not locales then
locales = self:get_locale_list(self.lang)
self.locale_dict[self.lang] = locales
end
return locales
end
function Style:get_locale_list (lang)
assert(lang ~= nil)
local language = string.sub(lang, 1, 2)
local primary_dialect = util.primary_dialects[language]
if not primary_dialect then
-- util.warning(string.format("Failed to find primary dialect of \"%s\"", language))
end
local locale_list = {}
-- 1. In-style cs:locale elements
-- i. `xml:lang` set to chosen dialect, “de-AT”
if lang == language then
lang = primary_dialect
end
table.insert(locale_list, self:get_in_style_locale(lang))
-- ii. `xml:lang` set to matching language, “de” (German)
if language and language ~= lang then
table.insert(locale_list, self:get_in_style_locale(language))
end
-- iii. `xml:lang` not set
table.insert(locale_list, self:get_in_style_locale(nil))
-- 2. Locale files
-- iv. `xml:lang` set to chosen dialect, “de-AT”
if lang then
table.insert(locale_list, self:get_engine():get_system_locale(lang))
end
-- v. `xml:lang` set to matching primary dialect, “de-DE” (Standard German)
-- (only applicable when the chosen locale is a secondary dialect)
if primary_dialect and primary_dialect ~= lang then
table.insert(locale_list, self:get_engine():get_system_locale(primary_dialect))
end
-- vi. `xml:lang` set to “en-US” (American English)
if lang ~= "en-US" and primary_dialect ~= "en-US" then
table.insert(locale_list, self:get_engine():get_system_locale("en-US"))
end
return locale_list
end
function Style:get_in_style_locale (lang)
for _, locale in ipairs(self:query_selector("locale")) do
if locale:get_attribute("xml:lang") == lang then
return locale
end
end
return nil
end
function Style:get_term (...)
for _, locale in ipairs(self:get_locales()) do
local res = locale:get_term(...)
if res then
return res
end
end
return nil
end
local Citation = element.Element:new()
function Citation:render (items, context)
self:debug_info(context)
context = self:process_context(context)
context.mode = "citation"
context.citation = self
local sort = self:get_child("sort")
if sort then
sort:sort(items, context)
end
local layout = self:get_child("layout")
return layout:render(items, context)
end
local Bibliography = element.Element:new()
Bibliography.default_options = {
["hanging-indent"] = false,
["second-field-align"] = nil,
["line-spacing"] = 1,
["entry-spacing"] = 1,
["subsequent-author-substitute"] = nil,
["subsequent-author-substitute-rule"] = "complete-all",
}
function Bibliography:render (items, context)
self:debug_info(context)
context = self:process_context(context)
-- util.debug(context)
context.mode = "bibliography"
context.bibliography = self
-- Already sorted in CiteProc:sort_bibliography()
local layout = self:get_child("layout")
local res = layout:render(items, context)
local params = res[1]
params.entryspacing = context.options["entry-spacing"]
params.linespacing = context.options["line-spacing"]
params.hangingindent = context.options["hanging-indent"]
params["second-field-align"] = context.options["second-field-align"]
for _, key in ipairs({"bibstart", "bibend"}) do
local value = context.engine.formatter[key]
if type(value) == "function" then
value = value(context)
end
params[key] = value
end
params.bibliography_errors = {}
params.entry_ids = {}
for _, item in ipairs(items) do
table.insert(params.entry_ids, item.id)
end
return res
end
style.Style = Style
style.Citation = Citation
style.Bibliography = Bibliography
return style
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