X-Git-Url: http://git.osdn.jp/view?a=blobdiff_plain;f=src%2Fltj-charrange.lua;h=e3478ab81802641d1c5e0a067d29aca9f85c6532;hb=71b90c7904b04549fca6522f9bcef1c59f9f0e0f;hp=d976cb3debd33b657662cdf2c7447f3bb62c678e;hpb=4b746683891210cff75916d8afd7c0c60ccfa622;p=luatex-ja%2Fluatexja.git diff --git a/src/ltj-charrange.lua b/src/ltj-charrange.lua index d976cb3..e3478ab 100644 --- a/src/ltj-charrange.lua +++ b/src/ltj-charrange.lua @@ -3,8 +3,7 @@ -- luatexbase.provides_module({ name = 'luatexja.charrange', - date = '2011/04/01', - version = '0.1', + date = '2012/10/21', description = 'Handling the range of Japanese characters', }) module('luatexja.charrange', package.seeall) @@ -12,23 +11,25 @@ local err, warn, info, log = luatexbase.errwarinf(_NAME) luatexja.load_module('base'); local ltjb = luatexja.base +ATTR_RANGE = 7 local floor = math.floor local pow = math.pow local has_attr = node.has_attribute local kcat_attr_table = {} local pow_table = {} -for i = 0, 216 do +for i = 0, 31*ATTR_RANGE-1 do kcat_attr_table[i] = luatexbase.attributes['ltj@kcat'..floor(i/31)] pow_table[i] = pow(2, i%31) end -pow_table[217] = pow(2, 31) +pow_table[31*ATTR_RANGE] = pow(2, 31) -- jcr_table_main[chr_code] = index -- index : internal 0, 1, 2, ..., 216 0: 'other' -- external 1 2 216, (out of range): 'other' --- initialize -local jcr_table_main = {} +-- initialize +jcr_table_main = {} +local jcr_table_main = jcr_table_main local jcr_cjk = 0; local jcr_noncjk = 1; local ucs_out = 0x110000 for i=0x80 ,0xFF do jcr_table_main[i]=1 end @@ -36,11 +37,12 @@ for i=0x100,ucs_out-1 do jcr_table_main[i]=0 end -- EXT: add characters to a range function add_char_range(b,e,ind) -- ind: external range number - if not ind or ind<0 or ind>216 then -- 0 は error にしない(隠し) + if not ind or ind<0 or ind>=31*ATTR_RANGE then -- 0 は error にしない(隠し) ltjb.package_error('luatexja', "invalid character range number (" .. ind .. ")", - {"A character range number should be in the range 1..216,", - "ignored."}) + "A character range number should be in the range 1.." + .. 31*ATTR_RANGE-1 .. ",\n" .. + "ignored.") return elseif b<0x80 or e>=ucs_out then ltjb.package_warning('luatexja', @@ -48,7 +50,7 @@ function add_char_range(b,e,ind) -- ind: external range number 'I take the intersection with [0x80, 0x10ffff].') elseif b>e then local j=b; e=b; b=j - end + end for i=math.max(0x80,b),math.min(ucs_out-1,e) do jcr_table_main[i]=ind end @@ -58,8 +60,8 @@ function char_to_range(c) -- return the (external) range number if not c or c<0 or c>0x10FFFF then ltjb.package_error('luatexja', 'bad character code (' .. tostring(c) .. ')', - {'A character number must be between 0 and 0x10ffff.', - 'So I changed this one to zero.'}) + 'A character number must be between 0 and 0x10ffff.\n' .. + 'So I changed this one to zero.') c=0 elseif c<0x80 then return -1 else return jcr_table_main[c] or 0 end @@ -72,12 +74,12 @@ end -- glyph_node p は和文文字か? function is_ucs_in_japanese_char(p) local c = p.char - if c<0x80 then - return false - else - local i=jcr_table_main[c] + if c<0x80 then + return false + else + local i=jcr_table_main[c] return (floor( - has_attr(p, kcat_attr_table[i])/pow_table[i])%2 ~= jcr_noncjk) + has_attr(p, kcat_attr_table[i])/pow_table[i])%2 ~= jcr_noncjk) end end @@ -87,15 +89,15 @@ function toggle_char_range(g, i) -- i: external range number ltjb.package_error('luatexja', "invalid character range number (" .. tostring(i).. ")", "A character range number must be a number, ignored.") - elseif i==0 then return + elseif i==0 then return else local kc if i>0 then kc=0 else kc=1; i=-i end - if i>216 then i=0 end + if i>=7*ATTR_RANGE then i=0 end local attr = kcat_attr_table[i] local a = tex.getattribute(attr) tex.setattribute(g,attr,(floor(a/pow_table[i+1])*2+kc)*pow_table[i]+a%pow_table[i]) end end --- EOF \ No newline at end of file +-- EOF