ExDiceRoller

v1.0.0-rc.2

ExDiceRoller v1.0.0-rc.2 ExDiceRoller.Tokenizer View Source

Provides functionality around tokenizing dice roll strings.

iex> ExDiceRoller.Tokenizer.tokenize("1d4+6-(2dy)d(5*2d7-x)/3d8")
{:ok,
[
  {:int, 1, '1'},
  {:roll, 1, 'd'},
  {:int, 1, '4'},
  {:basic_operator, 1, '+'},
  {:int, 1, '6'},
  {:basic_operator, 1, '-'},
  {:"(", 1, '('},
  {:int, 1, '2'},
  {:roll, 1, 'd'},
  {:var, 1, 'y'},
  {:")", 1, ')'},
  {:roll, 1, 'd'},
  {:"(", 1, '('},
  {:int, 1, '5'},
  {:complex_operator, 1, '*'},
  {:int, 1, '2'},
  {:roll, 1, 'd'},
  {:int, 1, '7'},
  {:basic_operator, 1, '-'},
  {:var, 1, 'x'},
  {:")", 1, ')'},
  {:complex_operator, 1, '/'},
  {:int, 1, '3'},
  {:roll, 1, 'd'},
  {:int, 1, '8'}
]}

Link to this section Summary

Types

token()
token_type()
tokens()

Functions

tokenize(roll_string)

Converts a roll-based string into tokens using leex. The input definition file is located at src/dice_lexer.xrl. See token_type/0, token/0, and tokens/0 for the possible return values

Link to this section Types

Link to this type token_type() View Source 
token_type() :: :int | :basic_operator | :complex_operator | :roll | :"(" | :")"
Link to this type tokens() View Source 
tokens() :: [token(), ...]

Link to this section Functions

Link to this function tokenize(roll_string) View Source 
tokenize(String.t()) :: {:ok, tokens()}

Converts a roll-based string into tokens using leex. The input definition file is located at src/dice_lexer.xrl. See token_type/0, token/0, and tokens/0 for the possible return values.

iex> ExDiceRoller.Tokenizer.tokenize("2d8+3")
{:ok,
[
  {:int, 1, '2'},
  {:roll, 1, 'd'},
  {:int, 1, '8'},
  {:basic_operator, 1, '+'},
  {:int, 1, '3'}
]}