diff options
Diffstat (limited to 'tex/context/base/l-file.lua')
| -rw-r--r-- | tex/context/base/l-file.lua | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/tex/context/base/l-file.lua b/tex/context/base/l-file.lua index be42727c0..c95ef658c 100644 --- a/tex/context/base/l-file.lua +++ b/tex/context/base/l-file.lua @@ -11,7 +11,8 @@ if not modules then modules = { } end modules ['l-file'] = { file = file or { } local concat = table.concat -local find, gmatch, match, gsub = string.find, string.gmatch, string.match, string.gsub +local find, gmatch, match, gsub, sub = string.find, string.gmatch, string.match, string.gsub, string.sub +local lpegmatch = lpeg.match function file.removesuffix(filename) return (gsub(filename,"%.[%a%d]+$","")) @@ -69,12 +70,12 @@ end function file.iswritable(name) local a = lfs.attributes(name) or lfs.attributes(file.dirname(name,".")) - return a and a.permissions:sub(2,2) == "w" + return a and sub(a.permissions,2,2) == "w" end function file.isreadable(name) local a = lfs.attributes(name) - return a and a.permissions:sub(1,1) == "r" + return a and sub(a.permissions,1,1) == "r" end file.is_readable = file.isreadable @@ -149,27 +150,27 @@ end --~ local pattern = (noslashes^0 * slashes)^0 * (noperiod^1 * period)^1 * lpeg.C(noperiod^1) * -1 --~ function file.extname(name) ---~ return pattern:match(name) or "" +--~ return lpegmatch(pattern,name) or "" --~ end --~ local pattern = lpeg.Cs(((period * noperiod^1 * -1)/"" + 1)^1) --~ function file.removesuffix(name) ---~ return pattern:match(name) +--~ return lpegmatch(pattern,name) --~ end --~ local pattern = (noslashes^0 * slashes)^1 * lpeg.C(noslashes^1) * -1 --~ function file.basename(name) ---~ return pattern:match(name) or name +--~ return lpegmatch(pattern,name) or name --~ end --~ local pattern = (noslashes^0 * slashes)^1 * lpeg.Cp() * noslashes^1 * -1 --~ function file.dirname(name) ---~ local p = pattern:match(name) +--~ local p = lpegmatch(pattern,name) --~ if p then ---~ return name:sub(1,p-2) +--~ return sub(name,1,p-2) --~ else --~ return "" --~ end @@ -178,7 +179,7 @@ end --~ local pattern = (noslashes^0 * slashes)^0 * (noperiod^1 * period)^1 * lpeg.Cp() * noperiod^1 * -1 --~ function file.addsuffix(name, suffix) ---~ local p = pattern:match(name) +--~ local p = lpegmatch(pattern,name) --~ if p then --~ return name --~ else @@ -189,9 +190,9 @@ end --~ local pattern = (noslashes^0 * slashes)^0 * (noperiod^1 * period)^1 * lpeg.Cp() * noperiod^1 * -1 --~ function file.replacesuffix(name,suffix) ---~ local p = pattern:match(name) +--~ local p = lpegmatch(pattern,name) --~ if p then ---~ return name:sub(1,p-2) .. "." .. suffix +--~ return sub(name,1,p-2) .. "." .. suffix --~ else --~ return name .. "." .. suffix --~ end @@ -200,11 +201,11 @@ end --~ local pattern = (noslashes^0 * slashes)^0 * lpeg.Cp() * ((noperiod^1 * period)^1 * lpeg.Cp() + lpeg.P(true)) * noperiod^1 * -1 --~ function file.nameonly(name) ---~ local a, b = pattern:match(name) +--~ local a, b = lpegmatch(pattern,name) --~ if b then ---~ return name:sub(a,b-2) +--~ return sub(name,a,b-2) --~ elseif a then ---~ return name:sub(a) +--~ return sub(name,a) --~ else --~ return name --~ end @@ -238,11 +239,11 @@ local rootbased = lpeg.P("/") + letter*lpeg.P(":") -- ./name ../name /name c: :// name/name function file.is_qualified_path(filename) - return qualified:match(filename) ~= nil + return lpegmatch(qualified,filename) ~= nil end function file.is_rootbased_path(filename) - return rootbased:match(filename) ~= nil + return lpegmatch(rootbased,filename) ~= nil end local slash = lpeg.S("\\/") @@ -255,7 +256,7 @@ local base = lpeg.C((1-suffix)^0) local pattern = (drive + lpeg.Cc("")) * (path + lpeg.Cc("")) * (base + lpeg.Cc("")) * (suffix + lpeg.Cc("")) function file.splitname(str) -- returns drive, path, base, suffix - return pattern:match(str) + return lpegmatch(pattern,str) end -- function test(t) for k, v in pairs(t) do print(v, "=>", file.splitname(v)) end end |