diff options
Diffstat (limited to 'Master/texmf-dist/tex/context/base/l-dir.lua')
| -rw-r--r-- | Master/texmf-dist/tex/context/base/l-dir.lua | 368 |
1 files changed, 368 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/l-dir.lua b/Master/texmf-dist/tex/context/base/l-dir.lua new file mode 100644 index 00000000000..d24eb33a9f1 --- /dev/null +++ b/Master/texmf-dist/tex/context/base/l-dir.lua @@ -0,0 +1,368 @@ +-- filename : l-dir.lua +-- comment : split off from luat-lib +-- author : Hans Hagen, PRAGMA-ADE, Hasselt NL +-- copyright: PRAGMA ADE / ConTeXt Development Team +-- license : see context related readme files + +if not versions then versions = { } end versions['l-dir'] = 1.001 + +dir = { } + +-- optimizing for no string.find (*) does not save time + +if lfs then do + +--~ local attributes = lfs.attributes +--~ local walkdir = lfs.dir +--~ +--~ local function glob_pattern(path,patt,recurse,action) +--~ local ok, scanner = xpcall(function() return walkdir(path) end, function() end) -- kepler safe +--~ if ok and type(scanner) == "function" then +--~ if not path:find("/$") then path = path .. '/' end +--~ for name in scanner do +--~ local full = path .. name +--~ local mode = attributes(full,'mode') +--~ if mode == 'file' then +--~ if name:find(patt) then +--~ action(full) +--~ end +--~ elseif recurse and (mode == "directory") and (name ~= '.') and (name ~= "..") then +--~ glob_pattern(full,patt,recurse,action) +--~ end +--~ end +--~ end +--~ end +--~ +--~ dir.glob_pattern = glob_pattern +--~ +--~ local function glob(pattern, action) +--~ local t = { } +--~ local action = action or function(name) t[#t+1] = name end +--~ local path, patt = pattern:match("^(.*)/*%*%*/*(.-)$") +--~ local recurse = path and patt +--~ if not recurse then +--~ path, patt = pattern:match("^(.*)/(.-)$") +--~ if not (path and patt) then +--~ path, patt = '.', pattern +--~ end +--~ end +--~ patt = patt:gsub("([%.%-%+])", "%%%1") +--~ patt = patt:gsub("%*", ".*") +--~ patt = patt:gsub("%?", ".") +--~ patt = "^" .. patt .. "$" +--~ -- print('path: ' .. path .. ' | pattern: ' .. patt .. ' | recurse: ' .. tostring(recurse)) +--~ glob_pattern(path,patt,recurse,action) +--~ return t +--~ end +--~ +--~ dir.glob = glob + + local attributes = lfs.attributes + local walkdir = lfs.dir + + local function glob_pattern(path,patt,recurse,action) + local ok, scanner + if path == "/" then + ok, scanner = xpcall(function() return walkdir(path..".") end, function() end) -- kepler safe + else + ok, scanner = xpcall(function() return walkdir(path) end, function() end) -- kepler safe + end + if ok and type(scanner) == "function" then + if not path:find("/$") then path = path .. '/' end + for name in scanner do + local full = path .. name + local mode = attributes(full,'mode') + if mode == 'file' then + if full:find(patt) then + action(full) + end + elseif recurse and (mode == "directory") and (name ~= '.') and (name ~= "..") then + glob_pattern(full,patt,recurse,action) + end + end + end + end + + dir.glob_pattern = glob_pattern + + --~ local function glob(pattern, action) + --~ local t = { } + --~ local path, rest, patt, recurse + --~ local action = action or function(name) t[#t+1] = name end + --~ local pattern = pattern:gsub("^%*%*","./**") + --~ local pattern = pattern:gsub("/%*/","/**/") + --~ path, rest = pattern:match("^(/)(.-)$") + --~ if path then + --~ path = path + --~ else + --~ path, rest = pattern:match("^([^/]*)/(.-)$") + --~ end + --~ if rest then + --~ patt = rest:gsub("([%.%-%+])", "%%%1") + --~ end + --~ patt = patt:gsub("%*", "[^/]*") + --~ patt = patt:gsub("%?", "[^/]") + --~ patt = patt:gsub("%[%^/%]%*%[%^/%]%*", ".*") + --~ if path == "" then path = "." end + --~ recurse = patt:find("%.%*/") ~= nil + --~ glob_pattern(path,patt,recurse,action) + --~ return t + --~ end + + local P, S, R, C, Cc, Cs, Ct, Cv, V = lpeg.P, lpeg.S, lpeg.R, lpeg.C, lpeg.Cc, lpeg.Cs, lpeg.Ct, lpeg.Cv, lpeg.V + + local pattern = Ct { + [1] = (C(P(".") + P("/")^1) + C(R("az","AZ") * P(":") * P("/")^0) + Cc("./")) * V(2) * V(3), + [2] = C(((1-S("*?/"))^0 * P("/"))^0), + [3] = C(P(1)^0) + } + + local filter = Cs ( ( + P("**") / ".*" + + P("*") / "[^/]*" + + P("?") / "[^/]" + + P(".") / "%%." + + P("+") / "%%+" + + P("-") / "%%-" + + P(1) + )^0 ) + + local function glob(str,t) + if type(str) == "table" then + local t = t or { } + for _, s in ipairs(str) do + glob(s,t) + end + return t + else + local split = pattern:match(str) + if split then + local t = t or { } + local action = action or function(name) t[#t+1] = name end + local root, path, base = split[1], split[2], split[3] + local recurse = base:find("**") + local start = root .. path + local result = filter:match(start .. base) + glob_pattern(start,result,recurse,action) + return t + else + return { } + end + end + end + + dir.glob = glob + + --~ list = dir.glob("**/*.tif") + --~ list = dir.glob("/**/*.tif") + --~ list = dir.glob("./**/*.tif") + --~ list = dir.glob("oeps/**/*.tif") + --~ list = dir.glob("/oeps/**/*.tif") + + local function globfiles(path,recurse,func,files) -- func == pattern or function + if type(func) == "string" then + local s = func -- alas, we need this indirect way + func = function(name) return name:find(s) end + end + files = files or { } + for name in walkdir(path) do + if name:find("^%.") then + --- skip + elseif attributes(name,'mode') == "directory" then + if recurse then + globfiles(path .. "/" .. name,recurse,func,files) + end + elseif func then + if func(name) then + files[#files+1] = path .. "/" .. name + end + else + files[#files+1] = path .. "/" .. name + end + end + return files + end + + dir.globfiles = globfiles + + -- t = dir.glob("c:/data/develop/context/sources/**/????-*.tex") + -- t = dir.glob("c:/data/develop/tex/texmf/**/*.tex") + -- t = dir.glob("c:/data/develop/context/texmf/**/*.tex") + -- t = dir.glob("f:/minimal/tex/**/*") + -- print(dir.ls("f:/minimal/tex/**/*")) + -- print(dir.ls("*.tex")) + + function dir.ls(pattern) + return table.concat(glob(pattern),"\n") + end + + --~ mkdirs("temp") + --~ mkdirs("a/b/c") + --~ mkdirs(".","/a/b/c") + --~ mkdirs("a","b","c") + + local make_indeed = true -- false + + if string.find(os.getenv("PATH"),";") then + + function dir.mkdirs(...) + local str, pth = "", "" + for _, s in ipairs({...}) do + if s ~= "" then + if str ~= "" then + str = str .. "/" .. s + else + str = s + end + end + end + local first, middle, last + local drive = false + first, middle, last = str:match("^(//)(//*)(.*)$") + if first then + -- empty network path == local path + else + first, last = str:match("^(//)/*(.-)$") + if first then + middle, last = str:match("([^/]+)/+(.-)$") + if middle then + pth = "//" .. middle + else + pth = "//" .. last + last = "" + end + else + first, middle, last = str:match("^([a-zA-Z]:)(/*)(.-)$") + if first then + pth, drive = first .. middle, true + else + middle, last = str:match("^(/*)(.-)$") + if not middle then + last = str + end + end + end + end + for s in last:gmatch("[^/]+") do + if pth == "" then + pth = s + elseif drive then + pth, drive = pth .. s, false + else + pth = pth .. "/" .. s + end + if make_indeed and not lfs.isdir(pth) then + lfs.mkdir(pth) + end + end + return pth, (lfs.isdir(pth) == true) + end + +--~ print(dir.mkdirs("","","a","c")) +--~ print(dir.mkdirs("a")) +--~ print(dir.mkdirs("a:")) +--~ print(dir.mkdirs("a:/b/c")) +--~ print(dir.mkdirs("a:b/c")) +--~ print(dir.mkdirs("a:/bbb/c")) +--~ print(dir.mkdirs("/a/b/c")) +--~ print(dir.mkdirs("/aaa/b/c")) +--~ print(dir.mkdirs("//a/b/c")) +--~ print(dir.mkdirs("///a/b/c")) +--~ print(dir.mkdirs("a/bbb//ccc/")) + + function dir.expand_name(str) + local first, nothing, last = str:match("^(//)(//*)(.*)$") + if first then + first = lfs.currentdir() .. "/" + first = first:gsub("\\","/") + end + if not first then + first, last = str:match("^(//)/*(.*)$") + end + if not first then + first, last = str:match("^([a-zA-Z]:)(.*)$") + if first and not last:find("^/") then + local d = lfs.currentdir() + if lfs.chdir(first) then + first = lfs.currentdir() + first = first:gsub("\\","/") + end + lfs.chdir(d) + end + end + if not first then + first, last = lfs.currentdir(), str + first = first:gsub("\\","/") + end + last = last:gsub("//","/") + last = last:gsub("/%./","/") + last = last:gsub("^/*","") + first = first:gsub("/*$","") + if last == "" then + return first + else + return first .. "/" .. last + end + end + + else + + function dir.mkdirs(...) + local str, pth = "", "" + for _, s in ipairs({...}) do + if s ~= "" then + if str ~= "" then + str = str .. "/" .. s + else + str = s + end + end + end + str = str:gsub("/+","/") + if str:find("^/") then + pth = "/" + for s in str:gmatch("[^/]+") do + local first = (pth == "/") + if first then + pth = pth .. s + else + pth = pth .. "/" .. s + end + if make_indeed and not first and not lfs.isdir(pth) then + lfs.mkdir(pth) + end + end + else + pth = "." + for s in str:gmatch("[^/]+") do + pth = pth .. "/" .. s + if make_indeed and not lfs.isdir(pth) then + lfs.mkdir(pth) + end + end + end + return pth, (lfs.isdir(pth) == true) + end + +--~ print(dir.mkdirs("","","a","c")) +--~ print(dir.mkdirs("a")) +--~ print(dir.mkdirs("/a/b/c")) +--~ print(dir.mkdirs("/aaa/b/c")) +--~ print(dir.mkdirs("//a/b/c")) +--~ print(dir.mkdirs("///a/b/c")) +--~ print(dir.mkdirs("a/bbb//ccc/")) + + function dir.expand_name(str) + if not str:find("^/") then + str = lfs.currentdir() .. "/" .. str + end + str = str:gsub("//","/") + str = str:gsub("/%./","/") + return str + end + + end + + dir.makedirs = dir.mkdirs + +end end |