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cleanup: expand tab to 4 spaces
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chrox
@@ -2,133 +2,133 @@ local DocSettings = {}
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-- lfs
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function DocSettings:getHistoryPath(fullpath)
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local i = #fullpath - 1
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-- search for last slash
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while i > 0 do
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if fullpath:sub(i,i) == "/" then
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break
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end
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i = i - 1
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end
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-- construct path to configuration file in history dir
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local filename = fullpath:sub(i+1, -1)
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local basename = fullpath:sub(1, i)
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return "./history/["..basename:gsub("/","#").."] "..filename..".lua"
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local i = #fullpath - 1
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-- search for last slash
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while i > 0 do
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if fullpath:sub(i,i) == "/" then
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break
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end
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i = i - 1
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end
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-- construct path to configuration file in history dir
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local filename = fullpath:sub(i+1, -1)
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local basename = fullpath:sub(1, i)
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return "./history/["..basename:gsub("/","#").."] "..filename..".lua"
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end
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function DocSettings:getPathFromHistory(hist_name)
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-- 1. select everything included in brackets
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local s = string.match(hist_name,"%b[]")
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-- 2. crop the bracket-sign from both sides
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-- 3. and finally replace decorative signs '#' to dir-char '/'
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return string.gsub(string.sub(s,2,-3),"#","/")
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-- 1. select everything included in brackets
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local s = string.match(hist_name,"%b[]")
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-- 2. crop the bracket-sign from both sides
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-- 3. and finally replace decorative signs '#' to dir-char '/'
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return string.gsub(string.sub(s,2,-3),"#","/")
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end
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function DocSettings:getNameFromHistory(hist_name)
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-- at first, search for path length
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local s = string.len(string.match(hist_name,"%b[]"))
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-- and return the rest of string without 4 last characters (".lua")
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return string.sub(hist_name, s+2, -5)
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-- at first, search for path length
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local s = string.len(string.match(hist_name,"%b[]"))
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-- and return the rest of string without 4 last characters (".lua")
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return string.sub(hist_name, s+2, -5)
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end
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function DocSettings:open(docfile)
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local conf_path = nil
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if docfile == ".reader" then
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-- we handle reader setting as special case
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conf_path = "settings.reader.lua"
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else
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if lfs.attributes("./history","mode") ~= "directory" then
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lfs.mkdir("history")
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end
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conf_path = self:getHistoryPath(docfile)
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end
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-- construct settings obj
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local new = { file = conf_path, data = {} }
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local ok, stored = pcall(dofile, new.file)
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if not ok then
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-- try legacy conf path, for backward compatibility. this also
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-- takes care of reader legacy setting
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ok, stored = pcall(dofile, docfile..".kpdfview.lua")
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end
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if ok then
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new.data = stored
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end
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return setmetatable(new, { __index = DocSettings})
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local conf_path = nil
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if docfile == ".reader" then
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-- we handle reader setting as special case
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conf_path = "settings.reader.lua"
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else
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if lfs.attributes("./history","mode") ~= "directory" then
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lfs.mkdir("history")
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end
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conf_path = self:getHistoryPath(docfile)
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end
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-- construct settings obj
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local new = { file = conf_path, data = {} }
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local ok, stored = pcall(dofile, new.file)
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if not ok then
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-- try legacy conf path, for backward compatibility. this also
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-- takes care of reader legacy setting
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ok, stored = pcall(dofile, docfile..".kpdfview.lua")
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end
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if ok then
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new.data = stored
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end
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return setmetatable(new, { __index = DocSettings})
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end
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function DocSettings:readSetting(key)
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return self.data[key]
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return self.data[key]
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end
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function DocSettings:saveSetting(key, value)
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self.data[key] = value
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self.data[key] = value
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end
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function DocSettings:delSetting(key)
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self.data[key] = nil
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self.data[key] = nil
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end
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function DocSettings:dump(data, max_lv)
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local out = {}
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self:_serialize(data, out, 0, max_lv)
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return table.concat(out)
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local out = {}
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self:_serialize(data, out, 0, max_lv)
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return table.concat(out)
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end
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-- simple serialization function, won't do uservalues, functions, loops
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function DocSettings:_serialize(what, outt, indent, max_lv)
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if not max_lv then
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max_lv = math.huge
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end
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if not max_lv then
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max_lv = math.huge
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end
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if indent > max_lv then
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return
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end
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if indent > max_lv then
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return
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end
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if type(what) == "table" then
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local didrun = false
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table.insert(outt, "{")
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for k, v in pairs(what) do
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if didrun then
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table.insert(outt, ",")
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end
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table.insert(outt, "\n")
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table.insert(outt, string.rep("\t", indent+1))
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table.insert(outt, "[")
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self:_serialize(k, outt, indent+1, max_lv)
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table.insert(outt, "] = ")
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self:_serialize(v, outt, indent+1, max_lv)
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didrun = true
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end
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if didrun then
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table.insert(outt, "\n")
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table.insert(outt, string.rep("\t", indent))
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end
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table.insert(outt, "}")
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elseif type(what) == "string" then
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table.insert(outt, string.format("%q", what))
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elseif type(what) == "number" or type(what) == "boolean" then
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table.insert(outt, tostring(what))
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end
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if type(what) == "table" then
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local didrun = false
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table.insert(outt, "{")
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for k, v in pairs(what) do
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if didrun then
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table.insert(outt, ",")
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end
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table.insert(outt, "\n")
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table.insert(outt, string.rep("\t", indent+1))
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table.insert(outt, "[")
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self:_serialize(k, outt, indent+1, max_lv)
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table.insert(outt, "] = ")
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self:_serialize(v, outt, indent+1, max_lv)
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didrun = true
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end
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if didrun then
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table.insert(outt, "\n")
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table.insert(outt, string.rep("\t", indent))
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end
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table.insert(outt, "}")
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elseif type(what) == "string" then
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table.insert(outt, string.format("%q", what))
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elseif type(what) == "number" or type(what) == "boolean" then
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table.insert(outt, tostring(what))
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end
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end
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function DocSettings:flush()
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-- write a serialized version of the data table
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if not self.file then
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return
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end
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local f_out = io.open(self.file, "w")
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if f_out ~= nil then
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os.setlocale('C', 'numeric')
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local out = {"-- we can read Lua syntax here!\nreturn "}
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self:_serialize(self.data, out, 0)
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table.insert(out, "\n")
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f_out:write(table.concat(out))
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f_out:close()
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end
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-- write a serialized version of the data table
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if not self.file then
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return
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end
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local f_out = io.open(self.file, "w")
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if f_out ~= nil then
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os.setlocale('C', 'numeric')
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local out = {"-- we can read Lua syntax here!\nreturn "}
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self:_serialize(self.data, out, 0)
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table.insert(out, "\n")
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f_out:write(table.concat(out))
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f_out:close()
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end
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end
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function DocSettings:close()
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self:flush()
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self:flush()
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end
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return DocSettings
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