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local write_xml = require'luamml-xmlwriter'
local make_root = require'luamml-convert'.make_root
local save_result = require'luamml-tex'.save_result
local store_column = require'luamml-table'.store_column
local store_column_xml = require'luamml-table'.store_column_xml
local store_tag = require'luamml-table'.store_tag
local get_table = require'luamml-table'.get_table
local to_text = require'luamml-lr'
local properties = node.get_properties_table()
local funcid = luatexbase.new_luafunction'__luamml_array_init_col:'
token.set_lua('__luamml_array_init_col:', funcid, 'protected')
lua.get_functions_table()[funcid] = function()
-- TODO: Error handling etc
local nest = tex.nest[tex.nest.ptr-1]
-- The special will be deleted again, it just marks the right math list since the start math node is not there yet
local special = node.new('whatsit', 'special')
node.insert_after(nest.tail, nest.tail, special)
nest.tail = special
local temp = nest.head
local props = properties[temp]
if not props then
props = {}
properties[temp] = props
end
props.luamml_array_startmath = special
end
local funcid = luatexbase.new_luafunction'__luamml_array_finalize_col:w'
token.set_lua('__luamml_array_finalize_col:w', funcid, 'protected')
lua.get_functions_table()[funcid] = function()
local alignment = token.scan_int() -- Do it first to consume number even if we end early
-- TODO: Error handling etc
local temp = tex.nest.top.head
local props = properties[temp]
local special = props and props.luamml_array_startmath
if not special then return end
node.remove(tex.nest.top.head, special)
local startmath = node.free(special)
props.luamml_array_startmath = nil
alignment = alignment == 1 and 'left' or alignment == 2 and 'right' or nil
if node.end_of_math(startmath) == tex.nest.top.tail then
if startmath.next == tex.nest.top.tail then return end
store_column(startmath).columnalign = alignment
else
-- Oh no, we got text. Let't complain to the user, it's probably their fault
print'We are mathematicians, don\'t bother us with text'
store_column_xml(to_text(startmath, tex.nest.top.tail)).columnalign = alignment
end
end
local saved_array
funcid = luatexbase.new_luafunction'__luamml_array_finalize_array:'
token.set_lua('__luamml_array_save_array:', funcid)
lua.get_functions_table()[funcid] = function()
-- TODO: Error handling etc.
local colsep = tex.dimen['col@sep']
saved_array = get_table()
if colsep ~= 0 then
saved_array = {[0] = 'mpadded',
width = string.format('%+.3fpt', 2*colsep/65781.76),
lspace = string.format('%+.3fpt', colsep/65781.76),
saved_array
}
end
end
funcid = luatexbase.new_luafunction'__luamml_array_finalize_array:'
token.set_lua('__luamml_array_finalize_array:', funcid)
lua.get_functions_table()[funcid] = function()
-- TODO: Error handling etc.
local nucl = tex.nest.top.tail.nucleus
local props = properties[nucl]
if not props then
props = {}
properties[nucl] = props
end
props.mathml_table = saved_array
saved_array = nil
end
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