Class: Rack::Utils::KeySpaceConstrainedParams

### Home Classes Methods

### In Files

- lib/rack/utils.rb

### Parent

Object

### Methods

- ::new
- #[]
- #[]=
- #key?
- #to_params_hash

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- KNOWN-ISSUES

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No matching classes.

# Rack::Utils::KeySpaceConstrainedParams

### Public Class Methods

new(limit = Utils.key_space_limit) click to toggle source

    # File lib/rack/utils.rb, line 504
    def initialize(limit = Utils.key_space_limit)
      @limit  = limit
      @size   = 0
      @params = {}
    end

### Public Instance Methods

[](key) click to toggle source

    # File lib/rack/utils.rb, line 510
    def [](key)
      @params[key]
    end

[]=(key, value) click to toggle source

    # File lib/rack/utils.rb, line 514
    def []=(key, value)
      @size += key.size if key && !@params.key?(key)
      raise RangeError, 'exceeded available parameter key space' if @size > @limit
      @params[key] = value
    end

key?(key) click to toggle source

    # File lib/rack/utils.rb, line 520
    def key?(key)
      @params.key?(key)
    end

to_params_hash() click to toggle source

    # File lib/rack/utils.rb, line 524
    def to_params_hash
      hash = @params
      hash.keys.each do |key|
        value = hash[key]
        if value.kind_of?(self.class)
          hash[key] = value.to_params_hash
        elsif value.kind_of?(Array)
          value.map! {|x| x.kind_of?(self.class) ? x.to_params_hash : x}
        end
      end
      hash
    end

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