141 lines
4.1 KiB
Lua
141 lines
4.1 KiB
Lua
local lua_call_cmd = token.command_id'lua_call'
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local properties = node.direct.get_properties_table()
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node.direct.properties = properties
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function node.direct.get_properties_table()
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return properties
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end
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-- setmetatable(node.direct.get_properties_table(), {
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-- __index = function(t, id)
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-- local new = {}
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-- t[id] = new
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-- return new
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-- end
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-- })
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local new_whatsit = require'luametalatex-whatsits'.new
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local whatsit_id = node.id'whatsit'
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local spacer_cmd, relax_cmd = token.command_id'spacer', token.command_id'relax'
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local function scan_filename()
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local name = {}
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local quoted = false
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local tok, cmd
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repeat
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tok = token.scan_token()
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cmd = tok.command
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until cmd ~= spacer_cmd and cmd ~= relax_cmd
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while (tok.command <= 12 and tok.command > 0 and tok.command ~= 9 and tok.index <= token.biggest_char()
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or (token.put_next(tok) and false))
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and (quoted or tok.index ~= string.byte' ') do
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if tok.index == string.byte'"' then
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quoted = not quoted
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else
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name[#name+1] = tok.index
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end
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tok = token.scan_token()
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end
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return utf8.char(table.unpack(name))
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end
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local l = lpeg or require'lpeg'
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local add_file_extension = l.Cs((1-('.' * (1-l.S'./\\')^0) * -1)^0 * (l.P(1)^1+l.Cc'.tex'))
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local ofiles = {}
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local function do_openout(p)
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if ofiles[p.file] then
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error[[Existing file]]
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else
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local msg
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ofiles[p.file], msg = io.open(add_file_extension:match(p.name), 'w')
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if not ofiles[p.file] then
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error(msg)
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end
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end
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end
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local open_whatsit = new_whatsit('open', do_openout)
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token.luacmd("openout", function(_, immediate) -- \openout
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local file = token.scan_int()
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token.scan_keyword'='
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local name = scan_filename()
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local props = {file = file, name = name}
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if immediate == "immediate" then
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do_openout(props)
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else
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local whatsit = node.direct.new(whatsit_id, open_whatsit)
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properties[whatsit] = props
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node.direct.write(whatsit)
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end
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end, "protected")
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local function do_closeout(p)
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if ofiles[p.file] then
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ofiles[p.file]:close()
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ofiles[p.file] = nil
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end
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end
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local close_whatsit = new_whatsit('close', do_closeout)
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token.luacmd("closeout", function(_, immediate) -- \closeout
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local file = token.scan_int()
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local props = {file = file}
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if immediate == "immediate" then
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do_closeout(props)
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else
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local whatsit = node.direct.new(whatsit_id, close_whatsit)
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properties[whatsit] = props
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node.direct.write(whatsit)
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end
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end, "protected")
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local function do_write(p)
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local content = token.to_string(p.data) .. '\n'
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local file = ofiles[p.file]
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if file then
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file:write(content)
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else
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texio.write_nl(p.file < 0 and "log" or "term and log", content)
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end
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end
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local write_whatsit = new_whatsit('write', do_write)
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token.luacmd("write", function(_, immediate) -- \write
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local file = token.scan_int()
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local content = token.scan_tokenlist()
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local props = {file = file, data = content}
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if immediate == "immediate" then
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do_write(props)
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else
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local whatsit = node.direct.new(whatsit_id, write_whatsit)
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properties[whatsit] = props
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node.direct.write(whatsit)
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end
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end, "protected")
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local functions = lua.get_functions_table()
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token.luacmd("immediate", function() -- \immediate
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local next_tok = token.scan_token()
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if next_tok.command ~= lua_call_cmd then
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return token.put_next(next_tok)
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end
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local function_id = next_tok.index
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return functions[function_id](function_id, 'immediate')
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end, "protected")
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require'luametalatex-baseregisters'
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require'luametalatex-back-pdf'
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require'luametalatex-node-luaotfload'
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local integer_code do
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local value_values = token.values'value'
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for i=0,#value_values do
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if value_values[i] == "integer" then
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integer_code = i
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break
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end
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end
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end
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token.luacmd("Umathcodenum", function(_, scanning)
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if scanning then
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local class, family, char = tex.getmathcodes (token.scan_int())
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return integer_code, char | (class | family << 3) << 21
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else
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local char = token.scan_int()
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local mathcode = token.scan_int()
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tex.setmathcodes(char, (mathcode >> 21) & 7, mathcode >> 24, mathcode & 0x1FFFFF)
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end
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end, "force", "global", "value")
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