101 lines
2.6 KiB
Lua
101 lines
2.6 KiB
Lua
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-- conclusions.lua
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-- A Pandoc Lua filter to distinguish conclusions from the surrounding text.
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-- Copyright 2024 Bastien Dumont (bastien.dumont [at] posteo.net)
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-- This file is under the MIT License: see LICENSE for more details
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local MAX_HEADER_LEVEL = 6
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local config = {
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innermost_level_header = 2,
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innermost_level_space = 3,
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ccl_explicit_titles = {
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'Conclusion de la partie',
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'Conclusion du chapitre'
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}
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}
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local function check_validity(key, value)
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if key ~= 'ccl-explicit-titles'
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and (value == nil or value < 1 or value > MAX_HEADER_LEVEL)
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then
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error(key .. ' must be a numeric value ' ..
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'comprised between 1 and ' .. MAX_HEADER_LEVEL .. '.\n')
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end
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end
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local function get_config(meta)
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if meta.conclusions then
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for key, value in pairs(meta.conclusions) do
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if key ~= 'ccl-explicit-titles' then
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value = math.tointeger(value[1].text)
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end
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check_validity(key, value)
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config[string.gsub(key, '-', '_')] = value
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end
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end
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end
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local function set_raw_space()
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local raw_space
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if FORMAT == 'native' then
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FORMAT = pandoc.system.environment().TESTED_FORMAT
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set_raw_space()
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elseif FORMAT == 'context' then
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raw_space = pandoc.RawBlock('tex', '\\blank[big]')
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elseif FORMAT == 'docx' then
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raw_space = pandoc.RawBlock('openxml', '<w:p/>')
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elseif FORMAT == 'latex' then
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raw_space = pandoc.RawBlock('tex', '\\bigskip')
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else
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error(FORMAT ..
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' output not supported by complex-paragraphs.lua\n')
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end
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return raw_space
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end
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local raw_space = set_raw_space()
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local function get_level(div)
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local level = MAX_HEADER_LEVEL + 1
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local set_value = div.attributes.level
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if set_value then
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set_value = math.tointeger(set_value)
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check_validity('level', set_value)
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level = set_value
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else
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io.stderr:write('level attribute missing to a div ' ..
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'with class conclusion or ccl, nothing done.\n')
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end
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return level
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end
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local function get_separator_as_list(level)
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local separator = {}
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if level <= config.innermost_level_header then
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local header =
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pandoc.Header(level + 1, config.ccl_explicit_titles[level])
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table.insert(header.classes, 'unnumbered')
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separator = { header }
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elseif level <= config.innermost_level_space then
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separator = { raw_space }
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end
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return separator
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end
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function Div(div)
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local classes = div.classes
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if classes:includes('conclusion')
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or classes:includes('ccl')
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then
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local level = get_level(div)
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local formatted_conclusion = get_separator_as_list(level)
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table.insert(formatted_conclusion, div)
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return formatted_conclusion
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end
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end
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return {
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{ Meta = get_config },
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{ Div = Div }
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}
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