2 -- luatexja/inputbuf.lua
4 luatexbase.provides_module({
5 name = 'luatexja.inputbuf',
8 description = 'Supressing a space by newline after Japanese characters',
10 module('luatexja.inputbuf', package.seeall)
11 local err, warn, info, log = luatexbase.errwarinf(_NAME)
13 local node_new = node.new
14 local id_glyph = node.id('glyph')
16 --- the following function is modified from jafontspec.lua (by K. Maeda).
17 --- Instead of "%", we use U+FFFFF for suppressing spaces.
18 function add_comment(buffer)
19 local i = utf.len(buffer)
20 while (i>0) and (tex.getcatcode(utf.byte(buffer, i))==1
21 or tex.getcatcode(utf.byte(buffer, i))==2) do
25 local c = utf.byte(buffer, i)
26 local ct = tex.getcatcode(c)
27 if (ct==11) or (ct==12) then
28 local p = node.new(id_glyph)
30 if luatexja.charrange.is_ucs_in_japanese_char(p) then
31 buffer = buffer .. string.char(0xF3,0xBF,0xBF,0xBF) -- U+FFFFF
39 luatexbase.add_to_callback('process_input_buffer',
40 add_comment,'ltj.process_input_buffer')