Class: YAML::Pairs

Inherits:
Array show all
Defined in:
lib/yaml/types.rb

Overview

Builtin collection: !pairs

Class Method Summary (collapse)

Instance Method Summary (collapse)

Methods inherited from Array

#abbrev, #dclone, #pretty_print, #pretty_print_cycle, #quote, #shelljoin, #to_csv

Class Method Details

+ (Object) [](*vals) 



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# File 'lib/yaml/types.rb', line 155

def self.[]( *vals )
    p = Pairs.new
    0.step( vals.length - 1, 2 ) { |i|
        p[vals[i]] = vals[i+1]
    }
    p
end

Instance Method Details

- (Object) [](k) 



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# File 'lib/yaml/types.rb', line 162

def []( k )
    self.assoc( k ).to_a
end

- (Object) []=(k, val) 



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# File 'lib/yaml/types.rb', line 165

def []=( k, val )
    self << [ k, val ]
    val
end

- (Boolean) has_key?(k)

Returns:

  • (Boolean) 


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# File 'lib/yaml/types.rb', line 169

def has_key?( k )
    self.assoc( k ) ? true : false
end

- (Boolean) is_complex_yaml?

Returns:

  • (Boolean) 


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# File 'lib/yaml/types.rb', line 172

def is_complex_yaml?
    true
end

- (Object) to_yaml(opts = {}) 



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# File 'lib/yaml/types.rb', line 175

def to_yaml( opts = {} )
    YAML::quick_emit( self, opts ) do |out|
        out.seq( taguri, to_yaml_style ) do |seq|
            self.each do |v|
                seq.add( Hash[ *v ] )
            end
        end
    end
end

- (Object) yaml_initialize(tag, val) 



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# File 'lib/yaml/types.rb', line 141

def yaml_initialize( tag, val )
    if Array === val
        val.each do |v|
            if Hash === v
                concat( v.to_a )		# Convert the map to a sequence
            else
                raise YAML::Error, "Invalid !pairs entry: " + val.inspect
            end
        end
    else
        raise YAML::Error, "Invalid !pairs: " + val.inspect
    end
    self
end