1 files changed, 0 insertions, 107 deletions
diff --git a/acf/persistence/backends/files.lua b/acf/persistence/backends/files.lua
deleted file mode 100644
index 7d03e12..0000000
--- a/acf/persistence/backends/files.lua
+++ /dev/null
@@ -1,107 +0,0 @@
---[[
-Copyright (c) 2012-2013 Kaarle Ritvanen
-See LICENSE file for license details
---]]
-
-local topology = require('acf.model.root').topology
-local pth = require('acf.path')
-local util = require('acf.persistence.util')
-local copy = require('acf.util').copy
-
-local posix = require('posix')
-local stringy = require('stringy')
-
-
-local function get_scope(top)
-   if not top or top.type ~= 'reference' or not pth.is_unique(top.scope) then
-      return
-   end
-
-   return stringy.startswith(
-      top.scope, '/files/'
-   ) and top.scope:sub(7, -1) or nil
-end
-
-
-local backend = require('acf.object').class()
-
--- TODO cache expiration
-function backend:init() self.cache = {} end
-
-function backend:get(path, top)
-   local name = pth.join('/', unpack(path))
-
-   if not self.cache[name] then
-      local t = posix.stat(name, 'type')
-      if not t then return end
-
-      if t == 'regular' then
-	 self.cache[name] = util.read_file(name)
-
-      elseif t == 'link' then
-	 -- TODO handle relative symlinks
-	 local target = posix.readlink(name)
-	 assert(target)
-
-	 local scope = get_scope(top)
-	 assert(scope)
-	 scope = scope..'/'
-
-	 local slen = scope:len()
-	 assert(target:sub(1, slen) == scope)
-	 return target:sub(slen + 1, -1)
-
-      elseif t == 'directory' then
-	 local res = {}
-	 for _, fname in ipairs(posix.dir(name)) do
-	    if not ({['.']=true, ['..']=true})[fname] then
-	       table.insert(res, pth.name(fname))
-	    end
-	 end
-	 return res
-
-      else error('Unsupported file type: '..name) end
-   end
-
-   return self.cache[name]
-end
-
-function backend:set(mods)
-   for _, mod in pairs(mods) do
-      local path, value = unpack(mod)
-      local name = pth.join('/', unpack(path))
-
-      if value == nil then
-	 print('DEL', name)
-
-	 local t = posix.stat(name, 'type')
-	 if t == 'directory' then
-	    assert(posix.rmdir(name))
-	 elseif t then assert(os.remove(name)) end
-
-	 self.cache[name] = nil
-
-      elseif type(value) == 'table' then
-	 assert(posix.mkdir(name))
-
-      else
-	 local scope = get_scope(topology('/files'..name))
-
-	 if scope then
-	    -- TODO use relative symlink
-	    os.remove(name)
-	    assert(posix.link(pth.to_absolute(value, scope), name, true))
-
-	 else
-	    local file = util.open_file(name, 'w')
-	    file:write(tostring(value))
-	    file:close()
-
-	    self.cache[name] = value
-	 end
-      end
-   end
-end
-
-
-return backend