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--
-- Copyright (c) 2021-2023 Zeping Lee
-- Released under the MIT license.
-- Repository: https://github.com/zepinglee/citeproc-lua
--
local csl = {}
local citeproc = require("citeproc")
local util = citeproc.util
require("lualibs")
local core = require("citeproc-latex-core")
local latex_parser = require("citeproc-latex-parser")
csl.initialized = "false"
csl.id_list = {}
csl.id_map = {} -- Boolean map for checking if id in list
csl.uncited_id_list = {}
csl.uncited_id_map = {}
csl.citations_pre = {}
csl.preview_mode = false -- Whether to use citeproc:preview_citation
function csl.init(style_name, bib_files, lang)
bib_files = util.split(util.strip(bib_files), "%s*,%s*")
csl.engine = core.init(style_name, bib_files, lang)
if csl.engine then
csl.initialized = "true"
else
return
end
-- csl.init is called via \AtBeginDocument and it's executed after
-- loading .aux file. The csl.id_list are already registered.
csl.engine:updateItems(csl.id_list)
if core.uncite_all_items then
for _, item in ipairs(core.item_list) do
if not csl.uncited_id_map[item.id] then
table.insert(csl.uncited_id_list, item.id)
csl.uncited_id_map[item.id] = true
end
end
end
csl.engine:updateUncitedItems(csl.uncited_id_list)
csl.style_class = csl.engine:get_style_class()
end
function csl.get_style_class()
tex.sprint(csl.style_class)
end
function csl.register_citation_info(citation_info)
local citation = core.make_citation(citation_info)
if citation.citationID == "@nocite" then
for _, cite_item in ipairs(citation.citationItems) do
if cite_item.id == "*" then
-- \nocite all items
core.uncite_all_items = true
elseif not csl.uncited_id_map[cite_item.id] then
table.insert(csl.uncited_id_list, cite_item.id)
csl.uncited_id_map[cite_item.id] = true
end
end
else
for _, cite_item in ipairs(citation.citationItems) do
if not csl.id_map[cite_item.id] then
table.insert(csl.id_list, cite_item.id)
csl.id_map[cite_item.id] = true
end
end
end
end
function csl.enable_linking()
csl.engine:enable_linking()
end
---comment
---@param citation_info string
function csl.cite(citation_info)
-- "citationID={ITEM-UNAVAILABLE@1},citationItems={{id={ITEM-UNAVAILABLE}}},properties={noteIndex={1}}"
if not csl.engine then
csl.error("CSL engine is not initialized.")
end
-- util.debug(citation_info)
local citation = core.make_citation(citation_info)
-- util.debug(citation)
local citation_str
if csl.preview_mode then
-- TODO: preview mode in first pass of \blockquote of csquotes
-- citation_str = csl.engine:preview_citation(citation)
citation_str = ""
else
citation_str = csl.engine:process_citation(citation)
end
-- util.debug(citation_str)
-- tex.sprint(citation_str)
-- tex.setcatcode(35, 12) -- #
-- tex.setcatcode(37, 12) -- %
token.set_macro("l__csl_citation_tl", citation_str)
table.insert(csl.citations_pre, {citation.citationID, citation.properties.noteIndex})
end
function csl.nocite(ids_string)
local uncited_ids = util.split(ids_string, "%s*,%s*")
for _, uncited_id in ipairs(uncited_ids) do
if uncited_id == "*" then
if csl.engine then
for id, _ in pairs(core.item_dict) do
if not csl.uncited_id_map[id] then
table.insert(csl.uncited_id_list, id)
csl.uncited_id_map[id] = true
end
end
csl.engine:updateUncitedItems(csl.uncited_id_list)
else
core.uncite_all_items = true
end
else
if not csl.uncited_id_map[uncited_id] then
table.insert(csl.uncited_id_list, uncited_id)
csl.uncited_id_map[uncited_id] = true
if csl.engine then
csl.engine:updateUncitedItems(csl.uncited_id_list)
end
end
end
end
end
function csl.bibliography(filter_str)
if not csl.engine then
util.error("CSL engine is not initialized.")
return
end
-- util.debug(filter)
local result = core.make_bibliography(csl.engine, filter_str)
-- util.debug(result)
-- token.set_macro("g__csl_bibliography_tl", result)
tex.print(util.split(result, "\n"))
end
function csl.set_categories(categories_str)
core.set_categories(csl.engine, categories_str)
end
return csl
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