pandoc-lua-filters/composite-paragraphs/composite-paragraphs.lua
2022-02-09 22:56:25 +01:00

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--[[
composite-paragraphs unindent all blocks but the first in composite paragraphs
Copyright © 2021-2022 Bastien Dumont
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
]]
local is_after_first_block
local RAW_ATTRIBUTE
if FORMAT == 'native' then
RAW_ATTRIBUTE = pandoc.system.environment().TESTED_FORMAT
elseif FORMAT == 'docx' then
RAW_ATTRIBUTE = 'openxml'
elseif FORMAT == 'context' or FORMAT == 'latex' then
RAW_ATTRIBUTE = FORMAT
else
error(FORMAT ..
' output not supported by composite-paragraphs.lua\n')
end
local function make_noindent_code()
if RAW_ATTRIBUTE == 'context' then
return '\\noindentation{}'
elseif RAW_ATTRIBUTE == 'openxml' then
return '<w:pPr>' ..
'<w:pStyle w:val="BodyText"/>' ..
'<w:ind w:hanging="0"/>' ..
'<w:rPr></w:rPr></w:pPr>'
elseif RAW_ATTRIBUTE == 'latex' then
return '\\noindent{}'
end
end
local noindent_rawinline =
pandoc.RawInline(RAW_ATTRIBUTE, make_noindent_code())
local function turn_to_nonindented_textblock(para)
para.c:insert(1, noindent_rawinline)
end
local function unindent_paragraphs_after_first_block(blocks)
for i = 1, #blocks do
block = blocks[i]
if block.t == 'Para' and is_after_first_block then
turn_to_nonindented_textblock(block)
elseif block.t == 'Div' then
unindent_paragraphs_after_first_block(block.content)
end
is_after_first_block = true
end
end
local function turn_to_composite_paragraph(div)
unindent_paragraphs_after_first_block(div.content)
end
function Div(div)
if div.classes:includes('composite-paragraph') then
is_after_first_block = false
turn_to_composite_paragraph(div)
return div
end
end