88 lines
2.3 KiB
Lua
88 lines
2.3 KiB
Lua
local write_xml = require'luamml-xmlwriter'
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local make_root = require'luamml-convert'.make_root
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local save_result = require'luamml-tex'.save_result
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local properties = node.get_properties_table()
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local function store_get_row()
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local row_temp = tex.nest[tex.nest.ptr-1].head
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local props = properties[row_temp]
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if not props then
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props = {}
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properties[row_temp] = props
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end
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local mml_row = props.mathml_row
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if not mml_row then
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mml_row = {[0] = 'mtr'}
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props.mathml_row = mml_row
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end
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return mml_row
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end
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local function store_column_xml(mml, display)
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if display and mml[0] == 'mstyle' and mml.displaystyle == true then
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mml[0], mml.displaystyle, mml.scriptlevel = 'mtd', nil, nil
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else
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if display and mml[0] ~= 'mstyle' then
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mml = {[0] = 'mstyle', displaystyle = false, mml}
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end
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mml = {[0] = 'mtd', mml}
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end
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table.insert(store_get_row(), mml)
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return mml
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end
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local function store_column(startmath, display)
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local props = properties[startmath]
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if not props then return end
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local mml = props.saved_mathml_table
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if mml then return store_column_xml(mml, display) end
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end
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local function store_tag(xml)
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local mml_row = store_get_row()
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mml_row[0] = 'mlabeledtr'
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table.insert(mml_row, 1, xml)
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last_tag = nil
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end
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luatexbase.add_to_callback('hpack_filter', function(_, group)
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if group ~= 'fin_row' then return true end
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local temp = tex.nest.top.head
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local props = properties[temp]
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if not props then return true end
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local mml_row = props.mathml_row
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if not mml_row then return true end
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props.mathml_row = nil
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props = properties[tex.lists.align_head]
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if not props then
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props = {}
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properties[tex.lists.align_head] = props
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end
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local mml_table = props.mathml_table_node_table
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if not mml_table then
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mml_table = {[0] = 'mtable'}
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props.mathml_table_node_table = mml_table
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end
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table.insert(mml_table, mml_row)
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return true
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end, 'mathml amsmath processing')
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local function get_table()
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-- TODO: Error handling etc
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local props = properties[tex.lists.align_head]
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if not props then return end
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local mml_table = props.mathml_table_node_table
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props.mathml_table_node_table = nil
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return mml_table
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end
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return {
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store_column = store_column,
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store_column_xml = store_column_xml,
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store_tag = store_tag,
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get_table = get_table,
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}
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