Module: Wildling

Defined in:
lib/wildling/cli.rb,
lib/wildling/token.rb,
lib/wildling/wildling.rb,
lib/wildling/generator.rb,
lib/wildling/parse_pattern.rb

Defined Under Namespace

Modules: Cli Classes: Client, Generator, Token

Constant Summary collapse

VERSION = 
"2.0.7"
TOKEN_PARSING_REGEX = 
/(\\[%@$*#&?!-]|[%@$*#&?!-]\{.*?\}|[%@$*#&?!-])/

Class Method Summary collapse

Class Method Details

.create(patterns, dictionaries = nil) ⇒ Object 



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# File 'lib/wildling/wildling.rb', line 54

def self.create(patterns, dictionaries = nil)
  Client.new(patterns, dictionaries)
end

.dictionary_tokenizer(part, dictionaries) ⇒ Object 



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# File 'lib/wildling/parse_pattern.rb', line 72

def dictionary_tokenizer(part, dictionaries)
  options = parse_length_with_string(part)
  if options == false || (options["string"] && !options["string"].empty? && !dictionaries.key?(options["string"]))
    options = {
      "variants" => [part],
      "startLength" => 1,
      "endLength" => 1,
      "src" => part
    }
  else
    options["variants"] = dictionaries[options["string"] || ""] || []
  end
  Token.new(options)
end

.parse_length_with_string(part) ⇒ Object 



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# File 'lib/wildling/parse_pattern.rb', line 34

def parse_length_with_string(part)
  match = part.match(/\{'(.*)'(?:,(\d+)-(\d+))?(?:,(\d+))?\}/)
  return false unless match

  if match[2] && match[3]
    return {
      "string" => match[1] || "",
      "startLength" => match[2].to_i,
      "endLength" => match[3].to_i,
      "src" => part
    }
  end

  if match[4]
    length = match[4].to_i
    return {
      "string" => match[1] || "",
      "startLength" => length,
      "endLength" => length,
      "src" => part
    }
  end

  {
    "string" => match[1] || "",
    "startLength" => 1,
    "endLength" => 1,
    "src" => part
  }
end

.parse_length_with_variants(part, variants) ⇒ Object 



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# File 'lib/wildling/parse_pattern.rb', line 10

def parse_length_with_variants(part, variants)
  match = part.match(/\{((\d+)-(\d+)|(\d+))\}/)

  start_length = 1
  end_length = 1

  if match
    if match[2]
      start_length = match[2].to_i
      end_length = match[3].to_i
    elsif match[1]
      start_length = match[1].to_i
      end_length = start_length
    end
  end

  {
    "variants" => variants,
    "startLength" => start_length,
    "endLength" => end_length,
    "src" => part
  }
end

.parse_pattern(input_pattern, dictionaries) ⇒ Object 



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# File 'lib/wildling/parse_pattern.rb', line 152

def parse_pattern(input_pattern, dictionaries)
  dictionaries ||= {}
  parts = input_pattern.split(TOKEN_PARSING_REGEX).reject(&:empty?)
  parts.map { |part| part_to_token(part, dictionaries) }
end

.part_to_token(part, dictionaries) ⇒ Object 



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# File 'lib/wildling/parse_pattern.rb', line 119

def part_to_token(part, dictionaries)
  tokenizers = {
    "#" => simple_tokenizer("0123456789"),
    "@" => simple_tokenizer("abcdefghijklmnopqrstuvwxyz"),
    "*" => simple_tokenizer("abcdefghijklmnopqrstuvwxyz0123456789"),
    "-" => simple_tokenizer(
      "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
    ),
    "!" => simple_tokenizer("ABCDEFGHIJKLMNOPQRSTUVWXYZ"),
    "?" => simple_tokenizer("ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"),
    "&" => simple_tokenizer("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"),
    "%" => ->(p) { dictionary_tokenizer(p, dictionaries) },
    "$" => method(:words_tokenizer)
  }

  tokenizer = part.empty? ? nil : tokenizers[part[0]]
  is_escaped = part.length > 1 && part[0] == "\\" && tokenizers.key?(part[1])

  if tokenizer
    tokenizer.call(part)
  elsif is_escaped
    Token.new(
      "variants" => [part.sub(/^\\/, "")],
      "src" => part
    )
  else
    Token.new(
      "variants" => [part],
      "src" => part
    )
  end
end

.simple_tokenizer(variants_string) ⇒ Object 



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# File 'lib/wildling/parse_pattern.rb', line 65

def simple_tokenizer(variants_string)
  variants = variants_string.chars
  lambda do |part|
    Token.new(parse_length_with_variants(part, variants))
  end
end

.words_tokenizer(part) ⇒ Object 



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# File 'lib/wildling/parse_pattern.rb', line 87

def words_tokenizer(part)
  options = parse_length_with_string(part)

  if options == false
    options = {
      "variants" => [part],
      "startLength" => 1,
      "endLength" => 1,
      "src" => part
    }
  else
    variants = []
    work_string = options["string"] || ""
    index = 0
    while index < work_string.length
      if work_string[index, 2] == "\\,"
        index += 2
      elsif work_string[index] == ","
        variants << work_string[0...index]
        work_string = work_string[(index + 1)..] || ""
        index = 0
      else
        index += 1
      end
    end
    variants << work_string
    options["variants"] = variants.map { |variant| variant.gsub("\\,", ",") }
  end

  Token.new(options)
end