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Contents
module Browser; module HTTP
# Represents a single HTTP header.
Header = Struct.new(:name, :value)
# Represents HTTP headers.
class Headers
# Parse HTTP headers from a string.
#
# @param string [String] the whole HTTP headers response
# @return [Headers] the parsed headers
def self.parse(string)
self[string.lines.map { |l| l.chomp.split(/\s*:\s*/) }]
end
# Create {Headers} from a hash.
#
# @param hash [Hash]
def self.[](hash)
result = new
hash.each {|name, value|
result[name] = value
}
result
end
include Enumerable
# Create an empty {Headers}.
def initialize
@hash = Hash.new
end
# Clear the {Headers}.
def clear
@hash.clear
end
# Enumerate over the headers.
#
# @yieldparam name [String] the name of the header
# @yieldparam value [String] the value of the header
#
# @return [self]
def each(&block)
return enum_for :each unless block
@hash.each {|_, header|
block.call [header.name, header.value]
}
self
end
# Get the value of a header.
#
# @param name [String] the name of the header
#
# @return [String] the value of the header
def [](name)
@hash[name.downcase]
end
# Set a value for the header.
#
# @param name [String] the name of the header
# @param value [String] the value of the header
def []=(name, value)
header = Header.new(name, value)
@hash[name.downcase] = header
end
# Push a header.
#
# @param header [Header] the header to push
#
# @return [self]
def <<(header)
@hash[header.name.downcase] = header
self
end
alias push <<
# Merge in place other headers.
#
# @param other [Headers, Hash, #each] the headers to merge
#
# @return [self]
def merge!(other)
other.each {|name, value|
self[name] = value
}
self
end
# @!attribute [r] length
# @return [Integer] the number of headers
def length
@hash.length
end
end
end; end
Version data entries
9 entries across 9 versions & 3 rubygems