Class: Iodine::Http::Http2::HPACK::IndexTable
- Inherits:
-
Object
- Object
- Iodine::Http::Http2::HPACK::IndexTable
- Defined in:
- lib/iodine/http/hpack.rb
Instance Attribute Summary collapse
-
#max_size ⇒ Object
Returns the value of attribute max_size.
-
#size ⇒ Object
readonly
Returns the value of attribute size.
Instance Method Summary collapse
- #[](index) ⇒ Object (also: #get_index)
- #find(*field) ⇒ Object
- #find_name(name) ⇒ Object
- #get_name(index) ⇒ Object
-
#initialize ⇒ IndexTable
constructor
A new instance of IndexTable.
- #insert(*field) ⇒ Object
- #resize(value = nil) ⇒ Object
Constructor Details
#initialize ⇒ IndexTable
Returns a new instance of IndexTable.
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# File 'lib/iodine/http/hpack.rb', line 10 def initialize @list = [] @size = 4_096 # initial defaul size by standard @actual_size = 0 end |
Instance Attribute Details
#max_size ⇒ Object
Returns the value of attribute max_size.
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# File 'lib/iodine/http/hpack.rb', line 9 def max_size @max_size end |
#size ⇒ Object (readonly)
Returns the value of attribute size.
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# File 'lib/iodine/http/hpack.rb', line 8 def size @size end |
Instance Method Details
#[](index) ⇒ Object Also known as: get_index
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# File 'lib/iodine/http/hpack.rb', line 15 def [] index raise "HPACK Error - invalid header index: 0" if index == 0 return STATIC_LIST[index] if index < STATIC_LENGTH raise "HPACK Error - invalid header index: #{index}" if index >= ( @list.count + STATIC_LENGTH ) @list[index - STATIC_LENGTH] end |
#find(*field) ⇒ Object
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# File 'lib/iodine/http/hpack.rb', line 31 def find *field index = STATIC_LIST.index(field) return index if index index = @list.index(field) index ? (index + STATIC_LENGTH) : nil end |
#find_name(name) ⇒ Object
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# File 'lib/iodine/http/hpack.rb', line 37 def find_name name index = 1 while STATIC_LIST[index] return index if STATIC_LIST[index][0] == name index += 1 end index = 0 while @list[index] return index+STATIC_LENGTH if @list[index][0] == name index += 1 end nil end |
#get_name(index) ⇒ Object
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# File 'lib/iodine/http/hpack.rb', line 22 def get_name index get_index(index)[0] end |
#insert(*field) ⇒ Object
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# File 'lib/iodine/http/hpack.rb', line 25 def insert *field @list.unshift field field.each {|f| @actual_size += f.to_s.bytesize}; @actual_size += 32 resize field end |
#resize(value = nil) ⇒ Object
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# File 'lib/iodine/http/hpack.rb', line 50 def resize value = nil @size = value if value && value <= 4_096 while (@actual_size > @size) && @list.any? @list.pop.each {|i| @actual_size -= i.to_s.bytesize} @actual_size -= 32 end self end |