diff options
Diffstat (limited to 'tex/context/base/scrp-cjk.lua')
| -rw-r--r-- | tex/context/base/scrp-cjk.lua | 131 |
1 files changed, 72 insertions, 59 deletions
diff --git a/tex/context/base/scrp-cjk.lua b/tex/context/base/scrp-cjk.lua index 681fc4c43..9050da6be 100644 --- a/tex/context/base/scrp-cjk.lua +++ b/tex/context/base/scrp-cjk.lua @@ -14,15 +14,29 @@ if not modules then modules = { } end modules ['scrp-cjk'] = { -- sense either because otherwise a wanted space at the end of a -- line would have to be a hard coded ones. -local utfchar = utf.char - -local insert_node_after = nodes.insert_after -local insert_node_before = nodes.insert_before -local remove_node = nodes.remove -local copy_node = nodes.copy -local traverse_id = nodes.traverse_id - -local nodepool = nodes.pool +local utfchar = utf.getchar + +local nuts = nodes.nuts +local tonut = nodes.tonut +local tonode = nodes.tonode + +local insert_node_after = nuts.insert_after +local insert_node_before = nuts.insert_before +local copy_node = nuts.copy +local remove_node = nuts.remove +local traverse_id = nuts.traverse_id + +local getnext = nuts.getnext +local getprev = nuts.getprev +local getfont = nuts.getfont +local getchar = nuts.getchar +local getid = nuts.getid +local getattr = nuts.getattr +local getsubtype = nuts.getsubtype +local getfield = nuts.getfield +local setfield = nuts.setfield + +local nodepool = nuts.pool local new_glue = nodepool.glue local new_kern = nodepool.kern local new_penalty = nodepool.penalty @@ -88,20 +102,20 @@ end -- at font definition time and/or just assume a correct font local function trace_detail(current,what) - local prev = current.prev - local c_id = current.id - local p_id = prev and prev.id + local prev = getprev(current) + local c_id = getid(current) + local p_id = prev and getid(prev) if c_id == glyph_code then - local c_ch = current.char + local c_ch = getchar(current) if p_id == glyph_code then - local p_ch = p_id and prev.char + local p_ch = p_id and getchar(prev) report_details("[%C %a] [%s] [%C %a]",p_ch,hash[p_ch],what,c_ch,hash[c_ch]) else report_details("[%s] [%C %a]",what,c_ch,hash[c_ch]) end else if p_id == glyph_code then - local p_ch = p_id and prev.char + local p_ch = p_id and getchar(prev) report_details("[%C %a] [%s]",p_ch,hash[p_ch],what) else report_details("[%s]",what) @@ -110,8 +124,8 @@ local function trace_detail(current,what) end local function trace_detail_between(p,n,what) - local p_ch = p.char - local n_ch = n.char + local p_ch = getchar(p) + local n_ch = getchar(n) report_details("[%C %a] [%s] [%C %a]",p_ch,hash[p_ch],what,n_ch,hash[n_ch]) end @@ -427,29 +441,29 @@ local function process(head,first,last) if first ~= last then local lastfont, previous, last = nil, "start", nil while true do - local upcoming, id = first.next, first.id + local upcoming, id = getnext(first), getid(first) if id == glyph_code then - local a = first[a_scriptstatus] + local a = getattr(first,a_scriptstatus) local current = numbertocategory[a] local action = injectors[previous] if action then action = action[current] if action then - local font = first.font + local font = getfont(first) if font ~= lastfont then lastfont = font - set_parameters(font,numbertodataset[first[a_scriptinjection]]) + set_parameters(font,numbertodataset[getattr(first,a_scriptinjection)]) end action(head,first) end end previous = current else -- glue - local p, n = first.prev, upcoming + local p, n = getprev(first), upcoming if p and n then - local pid, nid = p.id, n.id + local pid, nid = getid(p), getid(n) if pid == glyph_code and nid == glyph_code then - local pa, na = p[a_scriptstatus], n[a_scriptstatus] + local pa, na = getattr(p,a_scriptstatus), getattr(n,a_scriptstatus) local pcjk, ncjk = pa and numbertocategory[pa], na and numbertocategory[na] if not pcjk or not ncjk or pcjk == "korean" or ncjk == "korean" @@ -495,23 +509,24 @@ scripts.installmethod { } function scripts.decomposehangul(head) + local head = tonut(head) local done = false for current in traverse_id(glyph_code,head) do - local lead_consonant, medial_vowel, tail_consonant = decomposed(current.char) + local lead_consonant, medial_vowel, tail_consonant = decomposed(getchar(current)) if lead_consonant then - current.char = lead_consonant + setfield(current,"char",lead_consonant) local m = copy_node(current) - m.char = medial_vowel + setfield(m,"char",medial_vowel) head, current = insert_node_after(head,current,m) if tail_consonant then local t = copy_node(current) - t.char = tail_consonant + setfield(t,"char",tail_consonant) head, current = insert_node_after(head,current,t) end done = true end end - return head, done + return tonode(head), done end -- nodes.tasks.prependaction("processors","normalizers","scripts.decomposehangul") @@ -682,29 +697,29 @@ local function process(head,first,last) if first ~= last then local lastfont, previous, last = nil, "start", nil while true do - local upcoming, id = first.next, first.id + local upcoming, id = getnext(first), getid(first) if id == glyph_code then - local a = first[a_scriptstatus] + local a = getattr(first,a_scriptstatus) local current = numbertocategory[a] local action = injectors[previous] if action then action = action[current] if action then - local font = first.font + local font = getfont(first) if font ~= lastfont then lastfont = font - set_parameters(font,numbertodataset[first[a_scriptinjection]]) + set_parameters(font,numbertodataset[getattr(first,a_scriptinjection)]) end action(head,first) end end previous = current else -- glue - local p, n = first.prev, upcoming + local p, n = getprev(first), upcoming if p and n then - local pid, nid = p.id, n.id + local pid, nid = getid(p), getid(n) if pid == glyph_code and nid == glyph_code then - local pa, na = p[a_scriptstatus], n[a_scriptstatus] + local pa, na = getattr(p,a_scriptstatus), getattr(n,a_scriptstatus) local pcjk, ncjk = pa and numbertocategory[pa], na and numbertocategory[na] if not pcjk or not ncjk or pcjk == "korean" or ncjk == "korean" @@ -904,34 +919,32 @@ local function process(head,first,last) if first ~= last then local lastfont, previous, last = nil, "start", nil while true do - local upcoming, id = first.next, first.id + local upcoming, id = getnext(first), getid(first) if id == glyph_code then - local a = first[a_scriptstatus] + local a = getattr(first,a_scriptstatus) local current = numbertocategory[a] local action = injectors[previous] if action then action = action[current] if action then - local font = first.font + local font = getfont(first) if font ~= lastfont then lastfont = font - set_parameters(font,numbertodataset[first[a_scriptinjection]]) + set_parameters(font,numbertodataset[getattr(first,a_scriptinjection)]) end action(head,first) end end previous = current - --- elseif id == math_code then --- upcoming = end_of_math(current).next --- previous = "start" - + -- elseif id == math_code then + -- upcoming = getnext(end_of_math(current)) + -- previous = "start" else -- glue - local p, n = first.prev, upcoming -- we should remember prev + local p, n = getprev(first), upcoming -- we should remember prev if p and n then - local pid, nid = p.id, n.id + local pid, nid = getid(p), getid(n) if pid == glyph_code and nid == glyph_code then - local pa, na = p[a_scriptstatus], n[a_scriptstatus] + local pa, na = getattr(p,a_scriptstatus), getattr(n,a_scriptstatus) local pcjk, ncjk = pa and numbertocategory[pa], na and numbertocategory[na] if not pcjk or not ncjk or pcjk == "korean" or ncjk == "korean" @@ -940,17 +953,17 @@ local function process(head,first,last) or pcjk == "half_width_close" or ncjk == "half_width_open" then -- extra compared to korean previous = "start" else -- if head ~= first then -if id == glue_code and first.subtype == userskip_code then -- also scriptstatus check? - -- for the moment no distinction possible between space and userskip - local w = first.spec.width - local s = spacedata[p.font] - if w == s then -- could be option - if trace_details then - trace_detail_between(p,n,"space removed") - end - remove_node(head,first,true) - end -end + if id == glue_code and getsubtype(first) == userskip_code then -- also scriptstatus check? + -- for the moment no distinction possible between space and userskip + local w = getfield(getfield(first,"spec"),"width") + local s = spacedata[getfont(p)] + if w == s then -- could be option + if trace_details then + trace_detail_between(p,n,"space removed") + end + remove_node(head,first,true) + end + end previous = pcjk -- else -- previous = pcjk |