diff options
| -rw-r--r-- | lualibs-dir.lua | 10 | ||||
| -rw-r--r-- | lualibs-file.lua | 2 | ||||
| -rw-r--r-- | lualibs-io.lua | 7 | ||||
| -rw-r--r-- | lualibs-lpeg.lua | 22 | ||||
| -rw-r--r-- | lualibs-string.lua | 7 | ||||
| -rw-r--r-- | lualibs-table.lua | 71 | ||||
| -rw-r--r-- | lualibs-unicode.lua | 12 | ||||
| -rw-r--r-- | lualibs-utils.lua | 11 | ||||
| -rw-r--r-- | lualibs.dtx | 25 |
9 files changed, 135 insertions, 32 deletions
diff --git a/lualibs-dir.lua b/lualibs-dir.lua index 5828d99..2643f53 100644 --- a/lualibs-dir.lua +++ b/lualibs-dir.lua @@ -204,8 +204,9 @@ local make_indeed = true -- false if string.find(os.getenv("PATH"),";") then -- os.type == "windows" function dir.mkdirs(...) - local str, pth = "", "" - for _, s in ipairs({...}) do + local str, pth, t = "", "", { ... } + for i=1,#t do + local s = t[i] if s ~= "" then if str ~= "" then str = str .. "/" .. s @@ -303,8 +304,9 @@ if string.find(os.getenv("PATH"),";") then -- os.type == "windows" else function dir.mkdirs(...) - local str, pth = "", "" - for _, s in ipairs({...}) do + local str, pth, t = "", "", { ... } + for i=1,#t do + local s = t[i] if s ~= "" then if str ~= "" then str = str .. "/" .. s diff --git a/lualibs-file.lua b/lualibs-file.lua index 6f5f5d0..2bfc070 100644 --- a/lualibs-file.lua +++ b/lualibs-file.lua @@ -297,7 +297,7 @@ function file.splitname(str) -- returns drive, path, base, suffix return lpegmatch(pattern,str) end --- function test(t) for k, v in pairs(t) do print(v, "=>", file.splitname(v)) end end +-- function test(t) for k, v in next, t do print(v, "=>", file.splitname(v)) end end -- -- test { "c:", "c:/aa", "c:/aa/bb", "c:/aa/bb/cc", "c:/aa/bb/cc.dd", "c:/aa/bb/cc.dd.ee" } -- test { "c:", "c:aa", "c:aa/bb", "c:aa/bb/cc", "c:aa/bb/cc.dd", "c:aa/bb/cc.dd.ee" } diff --git a/lualibs-io.lua b/lualibs-io.lua index 5a126da..66e2793 100644 --- a/lualibs-io.lua +++ b/lualibs-io.lua @@ -170,13 +170,14 @@ function io.ask(question,default,options) elseif not options then return answer else - for _,v in pairs(options) do - if v == answer then + for k=1,#options do + if options[k] == answer then return answer end end local pattern = "^" .. answer - for _,v in pairs(options) do + for k=1,#options do + local v = options[k] if find(v,pattern) then return v end diff --git a/lualibs-lpeg.lua b/lualibs-lpeg.lua index f060f3b..b107a8e 100644 --- a/lualibs-lpeg.lua +++ b/lualibs-lpeg.lua @@ -98,6 +98,15 @@ lpeg.splitat = splitat local cache = { } +function lpeg.split(separator,str) + local c = cache[separator] + if not c then + c = Ct(splitat(separator)) + cache[separator] = c + end + return match(c,str) +end + function string:split(separator) local c = cache[separator] if not c then @@ -107,8 +116,21 @@ function string:split(separator) return match(c,self) end +lpeg.splitters = cache + local cache = { } +function lpeg.checkedsplit(separator,str) + local c = cache[separator] + if not c then + separator = P(separator) + local other = C((1 - separator)^0) + c = Ct(separator^0 * other * (separator^1 * other)^0) + cache[separator] = c + end + return match(c,str) +end + function string:checkedsplit(separator) local c = cache[separator] if not c then diff --git a/lualibs-string.lua b/lualibs-string.lua index 25b8f8e..9856d52 100644 --- a/lualibs-string.lua +++ b/lualibs-string.lua @@ -230,7 +230,7 @@ function string:totable() return lpegmatch(pattern,self) end ---~ for _, str in ipairs { +--~ local t = { --~ "1234567123456712345671234567", --~ "a\tb\tc", --~ "aa\tbb\tcc", @@ -238,7 +238,10 @@ end --~ "aaaa\tbbbb\tcccc", --~ "aaaaa\tbbbbb\tccccc", --~ "aaaaaa\tbbbbbb\tcccccc", ---~ } do print(string.tabtospace(str)) end +--~ } +--~ for k,v do +--~ print(string.tabtospace(t[k])) +--~ end function string.tabtospace(str,tab) -- we don't handle embedded newlines diff --git a/lualibs-table.lua b/lualibs-table.lua index e8f72ed..ee395d0 100644 --- a/lualibs-table.lua +++ b/lualibs-table.lua @@ -11,8 +11,56 @@ table.join = table.concat local concat, sort, insert, remove = table.concat, table.sort, table.insert, table.remove local format, find, gsub, lower, dump, match = string.format, string.find, string.gsub, string.lower, string.dump, string.match local getmetatable, setmetatable = getmetatable, setmetatable -local type, next, tostring, tonumber, ipairs, pairs = type, next, tostring, tonumber, ipairs, pairs -local unpack = unpack or table.unpack +local type, next, tostring, tonumber, ipairs = type, next, tostring, tonumber, ipairs + +-- Starting with version 5.2 Lua no longer provide ipairs, which makes +-- sense. As we already used the for loop and # in most places the +-- impact on ConTeXt was not that large; the remaining ipairs already +-- have been replaced. In a similar fashio we also hardly used pairs. +-- +-- Just in case, we provide the fallbacks as discussed in Programming +-- in Lua (http://www.lua.org/pil/7.3.html): + +if not ipairs then + + -- for k, v in ipairs(t) do ... end + -- for k=1,#t do local v = t[k] ... end + + local function iterate(a,i) + i = i + 1 + local v = a[i] + if v ~= nil then + return i, v --, nil + end + end + + function ipairs(a) + return iterate, a, 0 + end + +end + +if not pairs then + + -- for k, v in pairs(t) do ... end + -- for k, v in next, t do ... end + + function pairs(t) + return next, t -- , nil + end + +end + +-- Also, unpack has been moved to the table table, and for compatiility +-- reasons we provide both now. + +if not table.unpack then + table.unpack = _G.unpack +elseif not unpack then + _G.unpack = table.unpack +end + +-- extra functions, some might go (when not used) function table.strip(tab) local lst = { } @@ -78,7 +126,7 @@ end table.sortedkeys = sortedkeys table.sortedhashkeys = sortedhashkeys -function table.sortedpairs(t) +function table.sortedhash(t) local s = sortedhashkeys(t) -- maybe just sortedkeys local n = 0 local function kv(s) @@ -89,6 +137,8 @@ function table.sortedpairs(t) return kv, s end +table.sortedpairs = table.sortedhash + function table.append(t, list) for _,v in next, list do insert(t,v) @@ -197,7 +247,7 @@ end table.fastcopy = fastcopy table.copy = copy --- rougly: copy-loop : unpack : sub == 0.9 : 0.4 : 0.45 (so in critical apps, use unpack) +-- roughly: copy-loop : unpack : sub == 0.9 : 0.4 : 0.45 (so in critical apps, use unpack) function table.sub(t,i,j) return { unpack(t,i,j) } @@ -211,18 +261,18 @@ end -- slower than #t on indexed tables (#t only returns the size of the numerically indexed slice) -function table.is_empty(t) +function table.is_empty(t) -- obolete, use inline code instead return not t or not next(t) end -function table.one_entry(t) +function table.one_entry(t) -- obolete, use inline code instead local n = next(t) return n and not next(t,n) end -function table.starts_at(t) - return ipairs(t,1)(t,0) -end +--~ function table.starts_at(t) -- obsolete, not nice anyway +--~ return ipairs(t,1)(t,0) +--~ end function table.tohash(t,value) local h = { } @@ -326,7 +376,7 @@ local function do_serialize(root,name,depth,level,indexed) end -- we could check for k (index) being number (cardinal) if root and next(root) then - local first, last = nil, 0 -- #root cannot be trusted here + local first, last = nil, 0 -- #root cannot be trusted here (will be ok in 5.2 when ipairs is gone) if compact then -- NOT: for k=1,#root do (we need to quit at nil) for k,v in ipairs(root) do -- can we use next? @@ -857,3 +907,4 @@ function table.insert_after_value(t,value,extra) end insert(t,#t+1,extra) end + diff --git a/lualibs-unicode.lua b/lualibs-unicode.lua index 290234d..0c5a601 100644 --- a/lualibs-unicode.lua +++ b/lualibs-unicode.lua @@ -48,14 +48,20 @@ unicode.utfname = { [4] = 'utf-32-be' } -function unicode.utftype(f) -- \000 fails ! +-- \000 fails in <= 5.0 but is valid in >=5.1 where %z is depricated + +function unicode.utftype(f) local str = f:read(4) if not str then f:seek('set') return 0 - elseif find(str,"^%z%z\254\255") then + -- elseif find(str,"^%z%z\254\255") then -- depricated + -- elseif find(str,"^\000\000\254\255") then -- not permitted and bugged + elseif find(str,"\000\000\254\255",1,true) then -- seems to work okay (TH) return 4 - elseif find(str,"^\255\254%z%z") then + -- elseif find(str,"^\255\254%z%z") then -- depricated + -- elseif find(str,"^\255\254\000\000") then -- not permitted and bugged + elseif find(str,"\255\254\000\000",1,true) then -- seems to work okay (TH) return 3 elseif find(str,"^\254\255") then f:seek('set',2) diff --git a/lualibs-utils.lua b/lualibs-utils.lua index a5bc9d7..ebc27b8 100644 --- a/lualibs-utils.lua +++ b/lualibs-utils.lua @@ -10,6 +10,7 @@ if not modules then modules = { } end modules ['l-utils'] = { local gsub = string.gsub local concat = table.concat +local type, next = type, next if not utils then utils = { } end if not utils.merger then utils.merger = { } end @@ -85,9 +86,10 @@ function utils.merger._self_libs_(libs,list) if type(libs) == 'string' then libs = { libs } end if type(list) == 'string' then list = { list } end local foundpath = nil - for _, lib in ipairs(libs) do - for _, pth in ipairs(list) do - pth = gsub(pth,"\\","/") -- file.clean_path + for i=1,#libs do + local lib = libs[i] + for j=1,#list do + local pth = gsub(list[j],"\\","/") -- file.clean_path utils.report("checking library path %s",pth) local name = pth .. "/" .. lib if lfs.isfile(name) then @@ -99,7 +101,8 @@ function utils.merger._self_libs_(libs,list) if foundpath then utils.report("using library path %s",foundpath) local right, wrong = { }, { } - for _, lib in ipairs(libs) do + for i=1,#libs do + local lib = libs[i] local fullname = foundpath .. "/" .. lib if lfs.isfile(fullname) then -- right[#right+1] = lib diff --git a/lualibs.dtx b/lualibs.dtx index c34f8e3..97bce82 100644 --- a/lualibs.dtx +++ b/lualibs.dtx @@ -33,7 +33,7 @@ \input docstrip.tex \Msg{************************************************************************} \Msg{* Installation} -\Msg{* Package: lualibs 2010/01/11 v0.92 Lua additional functions.} +\Msg{* Package: lualibs 2010/05/21 v0.94 Lua additional functions.} \Msg{************************************************************************} \keepsilent @@ -90,7 +90,7 @@ and the derived file lualibs.lua. %<*driver> \NeedsTeXFormat{LaTeX2e} \ProvidesFile{lualibs.drv} - [2010/01/11 v0.92 Lua additional functions.] + [2010/05/21 v0.94 Lua additional functions.] \documentclass{ltxdoc} \EnableCrossrefs \CodelineIndex @@ -120,7 +120,7 @@ and the derived file lualibs.lua. % \GetFileInfo{lualibs.drv} % % \title{The \textsf{lualibs} package} -% \date{2010/05/10 v0.93} +% \date{2010/05/21 v0.94} % \author{Elie Roux \\ \texttt{elie.roux@telecom-bretagne.eu}} % % \maketitle @@ -172,8 +172,8 @@ module('lualibs', package.seeall) do local lualibs_module = { name = "lualibs", - version = 0.93, - date = "2010/05/10", + version = 0.94, + date = "2010/05/21", description = "Lua additional functions.", author = "Hans Hagen, PRAGMA-ADE, Hasselt NL & Elie Roux", copyright = "PRAGMA ADE / ConTeXt Development Team", @@ -402,6 +402,21 @@ end % \end{macrocode} % % \end{macro} +% \begin{macro}{table.starts_at} +% +% No idea what it was used for, but Hans depricated it with the comment +% \textit{obsolete, not nice anyway}, just restore it here until we have a +% process to deprecate unused functions like this. +% +% \begin{macrocode} + +function table.starts_at(t) + return ipairs(t,1)(t,0) +end + +% \end{macrocode} +% +% \end{macro} % % \iffalse %</lua> |