lua-resty-repr

Convert a lua table whose key or value could be a function, userdata, thread or circular reference to a human readable and js syntax compatible string.

Requirements

Nothing.

Synopsis

    local repr = require "resty.repr"
    
    local t = {} -- your fancy table
    local res = repr(t) -- use the default settings
    res = repr:new{indent=4, max_depth=3}(t)  -- custom
    

sample out put of an instance of lua-resty-model

    {
      /*41570c18*/
      __index           : {/*41570c18*/},
      _referenced_models: [
        /*404c6170*/
      ],
      admin             : {
        /*41570de0*/
        filter_field_names: [
          /*41570e08*/
          "permission",
        ],
        list_display_names: [
          /*41570f80*/
          "username",
          "permission",
          "phone",
          "utime",
        ],
        search_names      : [
          /*41570c40*/
          "username",
          "phone",
        ],
      },
      age               : "function: 0x404c4f28",
      csny              : "function: 0x404c4f08",
      fields            : [
        /*4157d388*/
        {
          /*404c4fd0*/
          client_to_lua : "function: 0x41570d78",
          db_to_lua     : "function: 0x40d7ae58",
          db_type       : "integer",
          error_messages: [
            /*404c4ff8*/
          ],
          label         : "id",
          lua_to_client : "function: 0x40d698d8",
          lua_to_db     : "function: 0x40d698d8",
          name          : "id",
          null          : true,
          primary_key   : true,
          validators    : {
            /*404c57f8*/
            client_to_lua: [
              /*404c5890*/
              "function: 0x40d845b8",
              "function: 0x404d5790",
            ],
            db_to_lua    : [
              /*41a34220*/
              "function: 0x40d7ae58",
            ],
            lua_to_client: [
              /*404c60d0*/
            ],
            lua_to_db    : [
              /*404c5048*/
            ],
          },
        },
        {
          /*4157d3f0*/
          1             : "id",
          client_to_lua : "function: 0x4149b9e0",
          db_to_lua     : "function: 0x40d7ae58",
          db_type       : "integer",
          disabled      : true,
          error_messages: [
            /*4157c8c8*/
          ],
          label         : "id",
          lua_to_client : "function: 0x40d698d8",
          lua_to_db     : "function: 0x40d698d8",
          name          : "id",
          null          : true,
          primary_key   : true,
          validators    : {
            /*4157c828*/
            client_to_lua: [
              /*4157c8a0*/
              "function: 0x40d845b8",
              "function: 0x404d5790",
            ],
            db_to_lua    : [
              /*414a35e8*/
              "function: 0x40d7ae58",
            ],
            lua_to_client: [
              /*4157c2f8*/
            ],
            lua_to_db    : [
              /*4157c280*/
            ],
          },
        },
        {
          /*414a3700*/
          1             : "username",
          2             : "name",
          client_to_lua : "function: 0x41e17fa0",
          db_to_lua     : "function: 0x40d7ae58",
          db_type       : "varchar",
          error_messages: [
            /*4157c320*/
          ],
          hint          : "please enter your name",
          index         : true,
          label         : "name",
          lua_to_client : "function: 0x40d698d8",
          lua_to_db     : "function: 0x40d698d8",
          maxlength     : 18,
          minlength     : 18,
          name          : "username",
          null          : true,
          required      : true,
          unique        : true,
          validators    : {
            /*414a4680*/
            client_to_lua: [
              /*41e17f48*/
              "function: 0x41e0ec18",
              "function: 0x41e0ebb0",
              "function: 0x41e0d170",
            ],
            db_to_lua    : [
              /*414a46f8*/
              "function: 0x40d7ae58",
            ],
            lua_to_client: [
              /*40d7e958*/
            ],
            lua_to_db    : [
              /*404c1f60*/
            ],
          },
        },
        {
          /*40d7e980*/
          1             : "phone",
          2             : "phone number",
          client_to_lua : "function: 0x405f69c0",
          db_to_lua     : "function: 0x40d7ae58",
          db_type       : "varchar",
          error_messages: [
            /*41a31d58*/
          ],
          hint          : "enter your phone number",
          index         : true,
          label         : "phone number",
          lua_to_client : "function: 0x40d698d8",
          lua_to_db     : "function: 0x40d698d8",
          maxlength     : 11,
          minlength     : 11,
          name          : "phone",
          null          : true,
          required      : true,
          unique        : true,
          validators    : {
            /*41a31c90*/
            client_to_lua: [
              /*405f6718*/
              "function: 0x405f07d8",
              "function: 0x405f0748",
              "function: 0x405a5580",
            ],
            db_to_lua    : [
              /*41a36af8*/
              "function: 0x40d7ae58",
            ],
            lua_to_client: [
              /*414a6e60*/
            ],
            lua_to_db    : [
              /*405f6a38*/
            ],
          },
        },
        {
          /*414a6e88*/
          1             : "password",
          2             : "password",
          client_to_lua : "function: 0x415d7b98",
          db_to_lua     : "function: 0x40d7ae58",
          db_type       : "varchar",
          error_messages: [
            /*405e9918*/
          ],
          hint          : "enter password (at least 6 chars)",
          label         : "password",
          lua_to_client : "function: 0x40d698d8",
          lua_to_db     : "function: 0x40d698d8",
          maxlength     : 50,
          minlength     : 6,
          name          : "password",
          null          : true,
          validators    : {
            /*414a6ec8*/
            client_to_lua: [
              /*40fd49d8*/
              "function: 0x40d845b8",
              "function: 0x40fd4970",
              "function: 0x415cedd0",
            ],
            db_to_lua    : [
              /*40d729f0*/
              "function: 0x40d7ae58",
            ],
            lua_to_client: [
              /*40d72a88*/
            ],
            lua_to_db    : [
              /*415d7c10*/
            ],
          },
        },
        {
          /*41e188e8*/
          1             : "permission",
          2             : "perm",
          choices       : [
            /*41e18928*/
            [
              /*41e18970*/
              0,
              "ordinary",
            ],
            [
              /*41e189b0*/
              64,
              "admin",
            ],
            [
              /*41e189f0*/
              128,
              "system",
            ],
          ],
          client_to_lua : "function: 0x41a37d90",
          db_to_lua     : "function: 0x40d7ae58",
          db_type       : "integer",
          error_messages: [
            /*40d8a3a8*/
          ],
          label         : "perm",
          lua_to_client : "function: 0x40d698d8",
          lua_to_db     : "function: 0x40d698d8",
          max           : 128,
          name          : "permission",
          null          : true,
          validators    : {
            /*40d8a498*/
            client_to_lua: [
              /*41a37d18*/
              "function: 0x40d845b8",
              "function: 0x404d5790",
              "function: 0x41a2c798",
              "function: 0x41a2cae0",
            ],
            db_to_lua    : [
              /*40d8a458*/
              "function: 0x40d7ae58",
            ],
            lua_to_client: [
              /*404bcf08*/
            ],
            lua_to_db    : [
              /*41a37e08*/
            ],
          },
        },
        {
          /*404bcf30*/
          1             : "utime",
          auto_now      : true,
          client_to_lua : "function: 0x40d698d8",
          db_to_lua     : "function: 0x40d7ae58",
          db_type       : "timestamp(0) with time zone",
          default       : "function: 0x415c6f50",
          error_messages: [
            /*404bd010*/
          ],
          get_default   : "function: 0x404bdbf8",
          label         : "utime",
          lua_to_client : "function: 0x40d698d8",
          lua_to_db     : "function: 0x40d698d8",
          name          : "utime",
          null          : true,
          required      : false,
          validators    : {
            /*404bdc18*/
            client_to_lua: [
              /*404bdc90*/
            ],
            db_to_lua    : [
              /*41a33be0*/
              "function: 0x40d7ae58",
            ],
            lua_to_client: [
              /*41a33c78*/
            ],
            lua_to_db    : [
              /*404bdb30*/
            ],
          },
        },
        {
          /*41a33ca0*/
          1             : "ctime",
          auto_now_add  : true,
          client_to_lua : "function: 0x40d698d8",
          db_to_lua     : "function: 0x40d7ae58",
          db_type       : "timestamp(0) with time zone",
          default       : "function: 0x415c6f50",
          error_messages: [
            /*41a34288*/
          ],
          get_default   : "function: 0x41a34378",
          label         : "ctime",
          lua_to_client : "function: 0x40d698d8",
          lua_to_db     : "function: 0x40d698d8",
          name          : "ctime",
          null          : true,
          required      : false,
          validators    : {
            /*404bcf70*/
            client_to_lua: [
              /*41a34258*/
            ],
            db_to_lua    : [
              /*404c4530*/
              "function: 0x40d7ae58",
            ],
            lua_to_client: [
              /*404c45c8*/
            ],
            lua_to_db    : [
              /*41a34300*/
            ],
          },
        },
      ],
      fields_dict       : {
        /*404c6148*/
        ctime     : {/*41a33ca0*/},
        id        : {/*4157d3f0*/},
        password  : {/*414a6e88*/},
        permission: {/*41e188e8*/},
        phone     : {/*40d7e980*/},
        username  : {/*414a3700*/},
        utime     : {/*404bcf30*/},
      },
      foreign_keys      : [
        /*404c6198*/
      ],
      name              : "guys",
      render            : "function: 0x404c61c0",
      table_name        : "user",
      sex               : "function: 0x404c6740",
    }

sample out put of resty.sql.postgresql

    {
      /*40df5580*/
      CHAIN_METHODS   : [
        /*40ddebd0*/
        "select",
        "where",
        "group",
        "having",
        "order",
        "limit",
        "offset",
        "join",
        "create",
        "update",
        "delete",
        "distinct",
      ],
      Q               : {
        /*41bdb288*/
        __call   : "function: 0x41bdb490",
        __div    : "function: 0x41bdb468",
        __index  : {/*41bdb288*/},
        __mul    : "function: 0x41bdb338",
        __unm    : "function: 0x41bdb318",
        negated  : "",
        op       : "",
        serialize: "function: 0x41bdb4b8",
      },
      __index         : {/*40df5580*/},
      _add_to_join    : "function: 0x4041b600",
      _parse_from     : "function: 0x40df5558",
      _parse_group    : "function: 0x40df54d8",
      _parse_having   : "function: 0x4041b620",
      _parse_key_value: "function: 0x40df52f0",
      _parse_limit    : "function: 0x40df5518",
      _parse_offset   : "function: 0x40df5538",
      _parse_order    : "function: 0x40df54f8",
      _parse_params   : "function: 0x40df5440",
      _parse_select   : "function: 0x40df5468",
      _parse_where    : "function: 0x40df54b8",
      bind_model      : "function: 0x41be0b38",
      class           : "function: 0x40803ae0",
      create          : "function: 0x41be0d38",
      delete          : "function: 0x41be0d78",
      distinct        : "function: 0x41be0c68",
      escape_name     : "function: 0x4041b318",
      escape_string   : "function: 0x4041b3a0",
      escape_value    : "function: 0x4041b338",
      group           : "function: 0x41bdb2d8",
      having          : "function: 0x41be0de0",
      join            : "function: 0x41be0cf0",
      limit           : "function: 0x41be0c28",
      new             : "function: 0x41be0ab0",
      offset          : "function: 0x41be0c48",
      order           : "function: 0x41be0af8",
      select          : "function: 0x41be0ad0",
      statement       : "function: 0x41be0d10",
      to_update_sql   : "function: 0x4041b3c0",
      update          : "function: 0x41be0d58",
      where           : "function: 0x41be0d98",
    }