Don't allow games or mods to add secure. settings
PilzAdam
parent
e2fc8f7dda
commit
9ee0d376d4
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@ -26,11 +26,25 @@ local CHAR_CLASSES = {
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}
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}
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-- returns error message, or nil
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-- returns error message, or nil
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local function parse_setting_line(settings, line, read_all, base_level)
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local function parse_setting_line(settings, line, read_all, base_level, allow_secure)
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-- comment
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local comment = line:match("^#" .. CHAR_CLASSES.SPACE .. "*(.*)$")
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if comment then
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if settings.current_comment == "" then
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settings.current_comment = comment
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else
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settings.current_comment = settings.current_comment .. "\n" .. comment
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end
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return
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end
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-- clear current_comment so only comments directly above a setting are bound to it
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-- but keep a local reference to it for variables in the current line
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local current_comment = settings.current_comment
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settings.current_comment = ""
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-- empty lines
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-- empty lines
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if line:match("^" .. CHAR_CLASSES.SPACE .. "*$") then
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if line:match("^" .. CHAR_CLASSES.SPACE .. "*$") then
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-- clear current_comment so only comments directly above a setting are bound to it
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settings.current_comment = ""
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return
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return
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end
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end
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@ -45,19 +59,6 @@ local function parse_setting_line(settings, line, read_all, base_level)
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return
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return
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end
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end
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-- comment
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local comment = line:match("^#" .. CHAR_CLASSES.SPACE .. "*(.*)$")
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if comment then
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if settings.current_comment == "" then
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settings.current_comment = comment
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else
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settings.current_comment = settings.current_comment .. "\n" .. comment
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end
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return
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end
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local error_msg
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-- settings
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-- settings
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local first_part, name, readable_name, setting_type = line:match("^"
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local first_part, name, readable_name, setting_type = line:match("^"
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-- this first capture group matches the whole first part,
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-- this first capture group matches the whole first part,
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@ -71,158 +72,174 @@ local function parse_setting_line(settings, line, read_all, base_level)
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.. CHAR_CLASSES.SPACE .. "?"
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.. CHAR_CLASSES.SPACE .. "?"
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.. ")")
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.. ")")
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if first_part then
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if not first_part then
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if readable_name == "" then
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return "Invalid line"
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readable_name = nil
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end
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local remaining_line = line:sub(first_part:len() + 1)
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if setting_type == "int" then
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local default, min, max = remaining_line:match("^"
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-- first int is required, the last 2 are optional
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.. "(" .. CHAR_CLASSES.INTEGER .. "+)" .. CHAR_CLASSES.SPACE .. "?"
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.. "(" .. CHAR_CLASSES.INTEGER .. "*)" .. CHAR_CLASSES.SPACE .. "?"
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.. "(" .. CHAR_CLASSES.INTEGER .. "*)"
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.. "$")
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if default and tonumber(default) then
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min = tonumber(min)
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max = tonumber(max)
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table.insert(settings, {
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name = name,
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readable_name = readable_name,
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type = "int",
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default = default,
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min = min,
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max = max,
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comment = settings.current_comment,
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})
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else
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error_msg = "Invalid integer setting"
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end
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elseif setting_type == "string" or setting_type == "noise_params"
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or setting_type == "key" then
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local default = remaining_line:match("^(.*)$")
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if default then
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if setting_type ~= "key" or read_all then -- ignore key type if read_all is false
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table.insert(settings, {
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name = name,
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readable_name = readable_name,
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type = setting_type,
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default = default,
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comment = settings.current_comment,
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})
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end
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else
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error_msg = "Invalid string setting"
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end
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elseif setting_type == "bool" then
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if remaining_line == "false" or remaining_line == "true" then
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table.insert(settings, {
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name = name,
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readable_name = readable_name,
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type = "bool",
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default = remaining_line,
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comment = settings.current_comment,
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})
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else
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error_msg = "Invalid boolean setting"
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end
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elseif setting_type == "float" then
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local default, min, max = remaining_line:match("^"
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-- first float is required, the last 2 are optional
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.. "(" .. CHAR_CLASSES.FLOAT .. "+)" .. CHAR_CLASSES.SPACE .. "?"
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.. "(" .. CHAR_CLASSES.FLOAT .. "*)" .. CHAR_CLASSES.SPACE .. "?"
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.. "(" .. CHAR_CLASSES.FLOAT .. "*)"
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.."$")
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if default and tonumber(default) then
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min = tonumber(min)
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max = tonumber(max)
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table.insert(settings, {
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name = name,
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readable_name = readable_name,
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type = "float",
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default = default,
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min = min,
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max = max,
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comment = settings.current_comment,
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})
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else
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error_msg = "Invalid float setting"
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end
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elseif setting_type == "enum" then
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local default, values = remaining_line:match("^(.+)" .. CHAR_CLASSES.SPACE .. "(.+)$")
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if default and values ~= "" then
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table.insert(settings, {
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name = name,
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readable_name = readable_name,
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type = "enum",
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default = default,
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values = values:split(",", true),
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comment = settings.current_comment,
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})
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else
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error_msg = "Invalid enum setting"
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end
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elseif setting_type == "path" then
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local default = remaining_line:match("^(.*)$")
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if default then
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table.insert(settings, {
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name = name,
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readable_name = readable_name,
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type = "path",
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default = default,
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comment = settings.current_comment,
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})
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else
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error_msg = "Invalid path setting"
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end
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elseif setting_type == "flags" then
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local default, possible = remaining_line:match("^"
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.. "(" .. CHAR_CLASSES.FLAGS .. "+)" .. CHAR_CLASSES.SPACE .. ""
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.. "(" .. CHAR_CLASSES.FLAGS .. "+)"
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.. "$")
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if default and possible then
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table.insert(settings, {
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name = name,
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readable_name = readable_name,
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type = "flags",
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default = default,
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possible = possible,
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comment = settings.current_comment,
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})
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else
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error_msg = "Invalid flags setting"
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end
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-- TODO: flags, noise_params (, struct)
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else
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error_msg = "Invalid setting type \"" .. type .. "\""
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end
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else
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error_msg = "Invalid line"
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end
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end
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-- clear current_comment since we just used it
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-- if we not just used it, then clear it since we only want comments
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-- directly above the setting to be bound to it
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settings.current_comment = ""
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return error_msg
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if name:match("secure%.[.]*") and not allow_secure then
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return "Tried to add \"secure.\" setting"
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end
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if readable_name == "" then
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readable_name = nil
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end
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local remaining_line = line:sub(first_part:len() + 1)
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if setting_type == "int" then
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local default, min, max = remaining_line:match("^"
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-- first int is required, the last 2 are optional
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.. "(" .. CHAR_CLASSES.INTEGER .. "+)" .. CHAR_CLASSES.SPACE .. "?"
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.. "(" .. CHAR_CLASSES.INTEGER .. "*)" .. CHAR_CLASSES.SPACE .. "?"
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.. "(" .. CHAR_CLASSES.INTEGER .. "*)"
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.. "$")
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if not default or not tonumber(default) then
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return "Invalid integer setting"
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end
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min = tonumber(min)
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max = tonumber(max)
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table.insert(settings, {
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name = name,
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readable_name = readable_name,
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type = "int",
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default = default,
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min = min,
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max = max,
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comment = settings.current_comment,
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})
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return
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end
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if setting_type == "string" or setting_type == "noise_params"
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or setting_type == "key" then
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local default = remaining_line:match("^(.*)$")
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if not default then
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return "Invalid string setting"
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end
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if setting_type == "key" and not read_all then
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-- ignore key type if read_all is false
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return
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end
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table.insert(settings, {
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name = name,
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readable_name = readable_name,
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type = setting_type,
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default = default,
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comment = settings.current_comment,
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})
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return
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end
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if setting_type == "bool" then
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if remaining_line ~= "false" and remaining_line ~= "true" then
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return "Invalid boolean setting"
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end
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table.insert(settings, {
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name = name,
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readable_name = readable_name,
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type = "bool",
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default = remaining_line,
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comment = settings.current_comment,
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})
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return
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end
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if setting_type == "float" then
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local default, min, max = remaining_line:match("^"
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-- first float is required, the last 2 are optional
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.. "(" .. CHAR_CLASSES.FLOAT .. "+)" .. CHAR_CLASSES.SPACE .. "?"
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.. "(" .. CHAR_CLASSES.FLOAT .. "*)" .. CHAR_CLASSES.SPACE .. "?"
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.. "(" .. CHAR_CLASSES.FLOAT .. "*)"
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.."$")
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if not default or not tonumber(default) then
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return "Invalid float setting"
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end
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min = tonumber(min)
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max = tonumber(max)
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table.insert(settings, {
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name = name,
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readable_name = readable_name,
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type = "float",
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default = default,
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min = min,
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max = max,
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comment = settings.current_comment,
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})
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return
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end
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if setting_type == "enum" then
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local default, values = remaining_line:match("^(.+)" .. CHAR_CLASSES.SPACE .. "(.+)$")
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if not default or values == "" then
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return "Invalid enum setting"
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end
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table.insert(settings, {
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name = name,
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readable_name = readable_name,
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type = "enum",
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default = default,
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values = values:split(",", true),
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comment = settings.current_comment,
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})
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return
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end
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if setting_type == "path" then
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local default = remaining_line:match("^(.*)$")
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if not default then
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return "Invalid path setting"
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end
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table.insert(settings, {
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name = name,
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readable_name = readable_name,
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type = "path",
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default = default,
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comment = settings.current_comment,
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})
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return
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end
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if setting_type == "flags" then
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local default, possible = remaining_line:match("^"
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.. "(" .. CHAR_CLASSES.FLAGS .. "+)" .. CHAR_CLASSES.SPACE .. ""
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.. "(" .. CHAR_CLASSES.FLAGS .. "+)"
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.. "$")
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if not default or not possible then
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return "Invalid flags setting"
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end
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table.insert(settings, {
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name = name,
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readable_name = readable_name,
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type = "flags",
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default = default,
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possible = possible,
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comment = settings.current_comment,
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})
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return
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end
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return "Invalid setting type \"" .. setting_type .. "\""
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end
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end
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local function parse_single_file(file, filepath, read_all, result, base_level)
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local function parse_single_file(file, filepath, read_all, result, base_level, allow_secure)
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-- store this helper variable in the table so it's easier to pass to parse_setting_line()
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-- store this helper variable in the table so it's easier to pass to parse_setting_line()
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result.current_comment = ""
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result.current_comment = ""
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local line = file:read("*line")
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local line = file:read("*line")
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while line do
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while line do
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local error_msg = parse_setting_line(result, line, read_all, base_level)
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local error_msg = parse_setting_line(result, line, read_all, base_level, allow_secure)
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if error_msg then
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if error_msg then
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core.log("error", error_msg .. " in " .. filepath .. " \"" .. line .. "\"")
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core.log("error", error_msg .. " in " .. filepath .. " \"" .. line .. "\"")
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end
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end
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@ -243,7 +260,7 @@ local function parse_config_file(read_all, parse_mods)
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return settings
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return settings
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end
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end
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parse_single_file(file, builtin_path, read_all, settings, 0)
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parse_single_file(file, builtin_path, read_all, settings, 0, true)
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file:close()
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file:close()
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@ -272,7 +289,7 @@ local function parse_config_file(read_all, parse_mods)
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type = "category",
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type = "category",
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})
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})
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parse_single_file(file, path, read_all, settings, 2)
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parse_single_file(file, path, read_all, settings, 2, false)
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file:close()
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file:close()
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end
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end
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@ -305,7 +322,7 @@ local function parse_config_file(read_all, parse_mods)
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type = "category",
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type = "category",
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})
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})
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parse_single_file(file, path, read_all, settings, 2)
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parse_single_file(file, path, read_all, settings, 2, false)
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file:close()
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file:close()
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end
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end
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