343 lines
8.6 KiB
Lua
343 lines
8.6 KiB
Lua
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local pcall = pcall
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local require = require
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local getmetatable = getmetatable
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--- Internal configuration of
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--- Aspect Template Engine. Be careful.
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--- @class aspect.config
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local config = {}
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--- JSON configuration
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config.json = {
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encode = nil,
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decode = nil,
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error = "JSON encode/decode no available. Please install `cjson` or `json` or configure `require('aspect.config').json` before using Aspect"
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}
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--- UTF8 configuration
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config.utf8 = {
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len = nil,
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lower = nil,
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upper = nil,
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sub = nil,
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match = nil,
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}
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config.env = {
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}
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--- escape filter settings (HTML strategy)
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config.escape = {
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pattern = "[}{\"><'&]",
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replaces = {
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["&"] = "&",
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["<"] = "<",
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[">"] = ">",
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['"'] = """,
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["'"] = "'"
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}
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}
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--- condition aliases (also see bellow)
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config.is_false = {
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[""] = true,
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[0] = true,
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}
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--- empty string variants (also see bellow)
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config.is_empty_string = {
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[""] = true,
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}
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config.is_n = {
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}
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--- dynamically configure config.is_false and config.is_empty_string
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do
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--- https://github.com/openresty/lua-nginx-module#core-constants
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local ngx = ngx or {}
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if ngx.null then
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config.is_false[ngx.null] = true
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config.is_empty_string[ngx.null] = true
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end
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--- https://luarocks.org/modules/openresty/lua-cjson
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local has_cjson, cjson = pcall(require, "cjson.safe")
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if has_cjson then
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config.is_false[cjson.null] = true
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config.is_empty_string[cjson.null] = true
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config.json.encode = cjson.encode
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config.json.decode = cjson.decode
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else
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local has_json, json = pcall(require, "json")
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if has_json then
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config.json.encode = json.encode
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config.json.decode = json.decode
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if json.null then
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config.is_false[json.null] = true
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config.is_empty_string[json.null] = true
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end
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if json.empty_array then
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config.is_false[json.empty_array] = true
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end
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end
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end
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--- https://github.com/isage/lua-cbson
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local has_cbson, cbson = pcall(require, "cbson")
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if has_cbson then
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config.is_false[getmetatable(cbson.null())] = true
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config.is_false[getmetatable(cbson.array())] = true
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config.is_empty_string[getmetatable(cbson.null())] = true
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end
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--- https://www.tarantool.io/ru/doc/1.10/reference/reference_lua/yaml/
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local has_yaml, yaml = pcall(require, "yaml")
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if has_yaml and yaml.NULL then
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config.is_false[yaml.NULL] = true
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config.is_empty_string[yaml.NULL] = true
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end
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--- https://github.com/gvvaughan/lyaml
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local has_lyaml, lyaml = pcall(require, "lyaml")
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if has_lyaml then
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config.is_false[lyaml.null] = true
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config.is_empty_string[lyaml.null] = true
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end
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--- https://www.tarantool.io/ru/doc/2.4/reference/reference_lua/msgpack/
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local has_msgpack, msgpack = pcall(require, "msgpack")
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if has_msgpack then
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config.is_false[msgpack.NULL] = true
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config.is_empty_string[msgpack.NULL] = true
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end
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--- https://www.tarantool.io/en/doc/2.4/reference/reference_lua/box_null/
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if box and box.NULL then
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config.is_false[box.NULL] = true
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config.is_empty_string[box.NULL] = true
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end
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end
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--- Detect UTF8 module
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-- do
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-- local utf8
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-- for _, name in ipairs({"lua-utf8", "utf8", "lutf8"}) do
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-- local ok, module = pcall(require, name)
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-- if ok then
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-- utf8 = module
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-- break
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-- end
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-- end
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-- if utf8 then
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-- config.utf8.len = utf8.len or utf8.length
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-- config.utf8.upper = utf8.upper
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-- config.utf8.lower = utf8.lower
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-- config.utf8.sub = utf8.sub
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-- config.utf8.match = utf8.match
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-- config.utf8.find = utf8.find
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-- end
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-- end
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--- Compiler configuration
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config.compiler = {
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is_boolean = {
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["true"] = true,
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["false"] = true
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},
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special = {
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["true"] = "true",
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["false"] = "false",
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["nil"] = "nil",
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["null"] = "nil"
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},
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--- danger variables names
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reserved_words = {
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["and"] = true,
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["break"] = true,
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["do"] = true,
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["else"] = true,
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["elseif"] = true,
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["end"] = true,
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["false"] = true,
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["for"] = true,
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["function"] = true,
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["if"] = true,
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["in"] = true,
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["local"] = true,
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["nil"] = true,
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["not"] = true,
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["or"] = true,
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["repeat"] = true,
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["return"] = true,
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["then"] = true,
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["true"] = true,
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["until"] = true,
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["while"] = true,
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},
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--- correspondence table for math operators
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math_ops = {
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["+"] = "+",
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["-"] = "-",
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["/"] = "/",
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["*"] = "*",
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["%"] = "%",
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["**"] = "^",
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},
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--- correspondence table for comparison operators
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comparison_ops = {
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["=="] = "==",
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["!="] = "~=",
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[">="] = ">=",
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["<="] = "<=",
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["<"] = "<",
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[">"] = ">",
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},
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--- correspondence table for logic operators
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logic_ops = {
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["and"] = "and",
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["or"] = "or"
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},
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other_ops = {
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["~"] = true,
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["|"] = true,
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["."] = true,
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["["] = true,
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["]"] = true,
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[","] = true
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},
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--- reserved variables names
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reserved_vars = {
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_self = true,
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_context = true,
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_charset = true,
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__ = true
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},
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tag_type = {
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EXPRESSION = 1,
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CONTROL = 2,
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COMMENT = 3,
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},
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strip = {
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["-"] = "%s",
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["~"] = "[ \t]"
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}
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}
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config.tokenizer = {
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patterns = {
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NUMBER1 = '^[%+%-]?%d+%.?%d*[eE][%+%-]?%d+', -- 123.45e-32
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NUMBER2 = '^[%+%-]?%d+%.?%d*', -- 123 or 123.456
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NUMBER3 = '^0x[%da-fA-F]+', -- 0xDeadBEEF
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NUMBER4 = '^%d+%.?%d*[eE][%+%-]?%d+',
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NUMBER5 = '^%d+%.?%d*',
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WORD = '^[%a_][%w_]*',
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WSPACE = '^%s+',
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STRING1 = "^(['\"])%1", -- empty string
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STRING2 = [[^(['"])(\*)%2%1]],
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STRING3 = [[^(['"]).-[^\](\*)%2%1]],
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CHAR1 = "^''",
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CHAR2 = [[^'(\*)%1']],
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CHAR3 = [[^'.-[^\](\*)%1']],
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PREPRO = '^#.-[^\\]\n',
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}
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}
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config.loop = {
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keys = {
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parent = true,
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iteration = true,
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index = true,
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index0 = true,
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revindex = true,
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revindex0 = true,
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first = true,
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last = true,
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length = true,
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prev_item = true,
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next_item = true,
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has_more = true,
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--- trees
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level = true,
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level0 = true,
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first_node = true,
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last_node = true,
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path = true
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}
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}
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config.macro = {
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import_type = {
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GROUP = 1,
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SINGLE = 2
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}
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}
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config.escapers = {}
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config.date = {
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months = {
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["jan"] = 1, ["january"] = 1,
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["feb"] = 2, ["february"] = 2,
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["mar"] = 3, ["march"] = 3,
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["apr"] = 4, ["april"] = 4,
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["may"] = 5, ["may"] = 5,
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["jun"] = 6, ["june"] = 6,
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["jul"] = 7, ["july"] = 7,
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["aug"] = 8, ["august"] = 8,
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["sep"] = 9, ["september"] = 9,
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["oct"] = 10, ["october"] = 10,
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["nov"] = 11, ["november"] = 11,
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["dec"] = 12, ["december"] = 12,
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},
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months_locale = {
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en = {
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[1] = {"Jan", "January"},
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[2] = {"Feb", "February"},
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[3] = {"Mar", "March"},
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[4] = {"Apr", "April"},
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[5] = {"May", "May"},
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[6] = {"Jun", "June"},
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[7] = {"Jul", "July"},
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[8] = {"Aug", "August"},
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[9] = {"Sep", "September"},
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[10] = {"Oct", "October"},
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[11] = {"Nov", "November"},
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[12] = {"Dec", "December"},
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}
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},
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week = {
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["mon"] = 1, ["monday"] = 1,
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["tue"] = 2, ["tuesday"] = 2,
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["wed"] = 3, ["wednesday"] = 3,
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["thu"] = 4, ["thursday"] = 4,
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["fri"] = 5, ["friday"] = 5,
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["sat"] = 6, ["saturday"] = 6,
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["sun"] = 7, ["sunday"] = 7,
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},
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week_locale = {
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en = {
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[1] = {"Mon", "Monday"},
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[2] = {"Tue", "Tuesday"},
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[3] = {"Wed", "Wednesday"},
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[4] = {"Thu", "Thursday"},
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[5] = {"Fri", "Friday"},
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[6] = {"Sat", "Saturday"},
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[7] = {"Sun", "Sunday"},
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},
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},
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aliases = {
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c = "%a %b %d %H:%m%s %Y",
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r = "%I:%M:%S %p",
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R = "%I:%M",
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T = "%H:%M:%S",
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D = "%m/%d/%y",
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F = "%Y-%m-%d"
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}
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}
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return config
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