-- -- ltj-inputbuf.lua -- luatexja.load_module('base'); local ltjb = luatexja.base luatexja.load_module('charrange'); local ltjc = luatexja.charrange require("unicode") local utflen = utf.len local utfbyte = utf.byte local utfchar = utf.char local node_new = node.new local node_free = node.free local id_glyph = node.id('glyph') local getcatcode, getcount = tex.getcatcode, tex.getcount local ltjc_is_japanese_char_curlist = ltjc.is_japanese_char_curlist --- the following function is modified from jafontspec.lua (by K. Maeda). --- Instead of "%", we use U+FFFFF for suppressing spaces. --DEBUG require"socket" local time_line = 0 local start_time_measure, stop_time_measure = ltjb.start_time_measure, ltjb.stop_time_measure local function add_comment(buffer) start_time_measure('inputbuf') local i = utflen(buffer) while (i>0) and (getcatcode(utfbyte(buffer, i))==1 or getcatcode(utfbyte(buffer, i))==2) do i=i-1 end if i>0 then local c = utfbyte(buffer, i) if c>=0x80 then local te = tex.endlinechar -- Is the catcode of endline character is 5 (end-of-line)? if (te ~= -1) and (getcatcode(te)==5) then local ct = getcatcode(c) if (ct==11) or (ct==12) then local lec = getcount('ltjlineendcomment') -- Is the catcode of \ltjlineendcomment (new comment char) is 14 (comment)? if ltjc_is_japanese_char_curlist(c) and (getcatcode(lec)==14) then stop_time_measure('inputbuf') return buffer .. utfchar(lec) end end end end end stop_time_measure('inputbuf') return buffer end luatexbase.add_to_callback('process_input_buffer', add_comment,'ltj.process_input_buffer') --EOF