diff options
Diffstat (limited to 'tex/generic/context/luatex/luatex-basics-gen.lua')
| -rw-r--r-- | tex/generic/context/luatex/luatex-basics-gen.lua | 259 |
1 files changed, 151 insertions, 108 deletions
diff --git a/tex/generic/context/luatex/luatex-basics-gen.lua b/tex/generic/context/luatex/luatex-basics-gen.lua index 2be55ccea..3959ca022 100644 --- a/tex/generic/context/luatex/luatex-basics-gen.lua +++ b/tex/generic/context/luatex/luatex-basics-gen.lua @@ -7,10 +7,19 @@ if not modules then modules = { } end modules ['luat-basics-gen'] = { } if context then - texio.write_nl("fatal error: this module is not for context") os.exit() end +-- We could load a few more of the general context libraries but it would +-- not make plain / latex users more happy I guess. So, we stick to some +-- placeholders. + +local match, gmatch, gsub, lower = string.match, string.gmatch, string.gsub, string.lower +local formatters, split, format, dump = string.formatters, string.split, string.format, string.dump +local loadfile, type = loadfile, type +local setmetatable, getmetatable, collectgarbage = setmetatable, getmetatable, collectgarbage +local floor = math.floor + local dummyfunction = function() end @@ -18,13 +27,22 @@ local dummyreporter = function(c) return function(f,...) local r = texio.reporter or texio.write_nl if f then - r(c .. " : " .. string.formatters(f,...)) + r(c .. " : " .. (formatters or format)(f,...)) else r("") end end end +local dummyreport = function(c,f,...) + local r = texio.reporter or texio.write_nl + if f then + r(c .. " : " .. (formatters or format)(f,...)) + else + r("") + end +end + statistics = { register = dummyfunction, starttiming = dummyfunction, @@ -59,17 +77,18 @@ logs = { new = dummyreporter, reporter = dummyreporter, messenger = dummyreporter, - report = dummyfunction, + report = dummyreport, } callbacks = { register = function(n,f) return callback.register(n,f) end, - } -utilities = utilities or { } utilities.storage = { +utilities = utilities or { } + +utilities.storage = utilities.storage or { allocate = function(t) return t or { } end, @@ -78,6 +97,28 @@ utilities = utilities or { } utilities.storage = { end, } +utilities.parsers = utilities.parsers or { + -- these are less flexible than in context but ok + -- for generic purpose + settings_to_array = function(s) + return split(s,",") + end, + settings_to_hash = function(s) + local t = { } + for k, v in gmatch(s,"([^%s,=]+)=([^%s,]+)") do + t[k] = v + end + return t + end, + settings_to_hash_colon_too = function(s) + local t = { } + for k, v in gmatch(s,"([^%s,=:]+)[=:]([^%s,]+)") do + t[k] = v + end + return t + end, +} + characters = characters or { data = { } } @@ -98,17 +139,18 @@ local remapper = { pfb = "type1 fonts", -- needed for vector loading afm = "afm", enc = "enc files", + lua = "tex", } function resolvers.findfile(name,fileformat) - name = string.gsub(name,"\\","/") + name = gsub(name,"\\","/") if not fileformat or fileformat == "" then fileformat = file.suffix(name) if fileformat == "" then fileformat = "tex" end end - fileformat = string.lower(fileformat) + fileformat = lower(fileformat) fileformat = remapper[fileformat] or fileformat local found = kpse.find_file(name,fileformat) if not found or found == "" then @@ -117,13 +159,6 @@ function resolvers.findfile(name,fileformat) return found end --- function resolvers.findbinfile(name,fileformat) --- if not fileformat or fileformat == "" then --- fileformat = file.suffix(name) --- end --- return resolvers.findfile(name,(fileformat and remapper[fileformat]) or fileformat) --- end - resolvers.findbinfile = resolvers.findfile function resolvers.loadbinfile(filename,filetype) @@ -191,14 +226,14 @@ do cachepaths = "." end - cachepaths = string.split(cachepaths,os.type == "windows" and ";" or ":") + cachepaths = split(cachepaths,os.type == "windows" and ";" or ":") for i=1,#cachepaths do local cachepath = cachepaths[i] if not lfs.isdir(cachepath) then lfs.mkdirs(cachepath) -- needed for texlive and latex if lfs.isdir(cachepath) then - texio.write(string.format("(created cache path: %s)",cachepath)) + logs.report("system","creating cache path '%s'",cachepath) end end if file.is_writable(cachepath) then @@ -217,16 +252,16 @@ do end if not writable then - texio.write_nl("quiting: fix your writable cache path") + logs.report("system","no writeable cache path, quiting") os.exit() elseif #readables == 0 then - texio.write_nl("quiting: fix your readable cache path") + logs.report("system","no readable cache path, quiting") os.exit() elseif #readables == 1 and readables[1] == writable then - texio.write(string.format("(using cache: %s)",writable)) + logs.report("system","using cache '%s'",writable) else - texio.write(string.format("(using write cache: %s)",writable)) - texio.write(string.format("(using read cache: %s)",table.concat(readables, " "))) + logs.report("system","using write cache '%s'",writable) + logs.report("system","using read cache '%s'",table.concat(readables," ")) end end @@ -258,75 +293,34 @@ function caches.is_writable(path,name) return fullname and file.is_writable(fullname) end --- function caches.loaddata(paths,name) --- for i=1,#paths do --- local data = false --- local luaname, lucname = makefullname(paths[i],name) --- if lucname and not lfs.isfile(lucname) and type(caches.compile) == "function" then --- -- in case we used luatex and luajittex mixed ... lub or luc file --- texio.write(string.format("(compiling luc: %s)",lucname)) --- data = loadfile(luaname) --- if data then --- data = data() --- end --- if data then --- caches.compile(data,luaname,lucname) --- return data --- end --- end --- if lucname and lfs.isfile(lucname) then -- maybe also check for size --- texio.write(string.format("(load luc: %s)",lucname)) --- data = loadfile(lucname) --- if data then --- data = data() --- end --- if data then --- return data --- else --- texio.write(string.format("(loading failed: %s)",lucname)) --- end --- end --- if luaname and lfs.isfile(luaname) then --- texio.write(string.format("(load lua: %s)",luaname)) --- data = loadfile(luaname) --- if data then --- data = data() --- end --- if data then --- return data --- end --- end --- end --- end - function caches.loaddata(readables,name,writable) for i=1,#readables do local path = readables[i] local loader = false local luaname, lucname = makefullname(path,name) if lfs.isfile(lucname) then - texio.write(string.format("(load luc: %s)",lucname)) + logs.report("system","loading luc file '%s'",lucname) loader = loadfile(lucname) end if not loader and lfs.isfile(luaname) then -- can be different paths when we read a file database from disk local luacrap, lucname = makefullname(writable,name) - texio.write(string.format("(compiling luc: %s)",lucname)) + logs.report("system","compiling luc file '%s'",lucname) if lfs.isfile(lucname) then loader = loadfile(lucname) end caches.compile(data,luaname,lucname) if lfs.isfile(lucname) then - texio.write(string.format("(load luc: %s)",lucname)) + logs.report("system","loading luc file '%s'",lucname) loader = loadfile(lucname) else - texio.write(string.format("(loading failed: %s)",lucname)) + logs.report("system","error in loading luc file '%s'",lucname) end if not loader then - texio.write(string.format("(load lua: %s)",luaname)) + logs.report("system","loading lua file '%s'",luaname) loader = loadfile(luaname) else - texio.write(string.format("(loading failed: %s)",luaname)) + logs.report("system","error in loading lua file '%s'",luaname) end end if loader then @@ -341,42 +335,19 @@ end function caches.savedata(path,name,data) local luaname, lucname = makefullname(path,name) if luaname then - texio.write(string.format("(save: %s)",luaname)) + logs.report("system","saving lua file '%s'",luaname) table.tofile(luaname,data,true) if lucname and type(caches.compile) == "function" then os.remove(lucname) -- better be safe - texio.write(string.format("(save: %s)",lucname)) + logs.report("system","saving luc file '%s'",lucname) caches.compile(data,luaname,lucname) end end end --- According to KH os.execute is not permitted in plain/latex so there is --- no reason to use the normal context way. So the method here is slightly --- different from the one we have in context. We also use different suffixes --- as we don't want any clashes (sharing cache files is not that handy as --- context moves on faster.) --- --- Beware: serialization might fail on large files (so maybe we should pcall --- this) in which case one should limit the method to luac and enable support --- for execution. - --- function caches.compile(data,luaname,lucname) --- local d = io.loaddata(luaname) --- if not d or d == "" then --- d = table.serialize(data,true) -- slow --- end --- if d and d ~= "" then --- local f = io.open(lucname,'w') --- if f then --- local s = loadstring(d) --- if s then --- f:write(string.dump(s,true)) --- end --- f:close() --- end --- end --- end +-- The method here is slightly different from the one we have in context. We +-- also use different suffixes as we don't want any clashes (sharing cache +-- files is not that handy as context moves on faster.) function caches.compile(data,luaname,lucname) local d = io.loaddata(luaname) @@ -388,23 +359,14 @@ function caches.compile(data,luaname,lucname) if f then local s = loadstring(d) if s then - f:write(string.dump(s,true)) + f:write(dump(s,true)) end f:close() end end end --- - --- function table.setmetatableindex(t,f) --- if type(t) ~= "table" then --- f = f or t --- t = { } --- end --- setmetatable(t,{ __index = f }) --- return t --- end +-- simplfied version: function table.setmetatableindex(t,f) if type(t) ~= "table" then @@ -422,15 +384,96 @@ function table.setmetatableindex(t,f) return t end +function table.makeweak(t) + local m = getmetatable(t) + if m then + m.__mode = "v" + else + setmetatable(t,{ __mode = "v" }) + end + return t +end + -- helper for plain: arguments = { } if arg then for i=1,#arg do - local k, v = string.match(arg[i],"^%-%-([^=]+)=?(.-)$") + local k, v = match(arg[i],"^%-%-([^=]+)=?(.-)$") if k and v then arguments[k] = v end end end + +-- another one + +if not number.idiv then + function number.idiv(i,d) + return floor(i/d) -- i//d in 5.3 + end +end + +-- hook into unicode + +local u = unicode and unicode.utf8 + +if u then + + utf.lower = u.lower + utf.upper = u.upper + utf.char = u.char + utf.byte = u.byte + utf.len = u.len + + -- needed on font-* + + if lpeg.setutfcasers then + lpeg.setutfcasers(u.lower,u.upper) + end + + -- needed on font-otr + + local bytepairs = string.bytepairs + local utfchar = utf.char + local concat = table.concat + + function utf.utf16_to_utf8_be(s) + if not s then + return nil + elseif s == "" then + return "" + end + local result, r, more = { }, 0, 0 + for left, right in bytepairs(s) do + if right then + local now = 256*left + right + if more > 0 then + now = (more-0xD800)*0x400 + (now-0xDC00) + 0x10000 + more = 0 + r = r + 1 + result[r] = utfchar(now) + elseif now >= 0xD800 and now <= 0xDBFF then + more = now + else + r = r + 1 + result[r] = utfchar(now) + end + end + end + return concat(result) + end + + local characters = string.utfcharacters + + function utf.split(str) + local t, n = { }, 0 + for s in characters(str) do + n = n + 1 + t[n] = s + end + return t + end + +end |