Class: Hprose::Writer

Inherits:
Object
  • Object
show all
Includes:
Stream, Tags
Defined in:
lib/hprose/io.rb

Overview

class Reader

Defined Under Namespace

Classes: FakeWriterRefer, RealWriterRefer

Constant Summary

Constants included from Tags

Tags::TagArgument, Tags::TagBytes, Tags::TagCall, Tags::TagClass, Tags::TagClosebrace, Tags::TagDate, Tags::TagDouble, Tags::TagEmpty, Tags::TagEnd, Tags::TagError, Tags::TagFalse, Tags::TagFunctions, Tags::TagGuid, Tags::TagInfinity, Tags::TagInteger, Tags::TagList, Tags::TagLong, Tags::TagMap, Tags::TagNaN, Tags::TagNeg, Tags::TagNine, Tags::TagNull, Tags::TagObject, Tags::TagOpenbrace, Tags::TagPoint, Tags::TagPos, Tags::TagQuote, Tags::TagRef, Tags::TagResult, Tags::TagSemicolon, Tags::TagString, Tags::TagTime, Tags::TagTrue, Tags::TagUTC, Tags::TagUTF8Char, Tags::TagZero

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Stream

#readint, #readuntil

Constructor Details

#initialize(stream, simple = false) ⇒ Writer

Returns a new instance of Writer.



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# File 'lib/hprose/io.rb', line 697

def initialize(stream, simple = false)
  @stream = stream
  @classref = {}
  @fieldsref = []
  @refer = (simple ? FakeWriterRefer.new : RealWriterRefer.new)
end

Instance Attribute Details

#stream ⇒ Object

Returns the value of attribute stream.



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# File 'lib/hprose/io.rb', line 703

def stream
  @stream
end

Instance Method Details

#reset ⇒ Object 



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# File 'lib/hprose/io.rb', line 902

def reset
  @classref.clear
  @fieldsref.clear
  @refer.reset
end

#serialize(obj) ⇒ Object 



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# File 'lib/hprose/io.rb', line 704

def serialize(obj)
  case obj
  when NilClass then @stream.putc(TagNull)
  when FalseClass then @stream.putc(TagFalse)
  when TrueClass then @stream.putc(TagTrue)
  when Fixnum then write_integer(obj)
  when Bignum then write_long(obj)
  when Float then write_double(obj)
  when String then
    len = obj.length
    if len == 0 then
      @stream.putc(TagEmpty)
    elsif (len < 4) and (obj.ulength == 1) then
      write_utf8char(obj)
    elsif not write_ref(obj) then
      if obj.utf8? then
        write_string(obj)
      else
        write_bytes(obj)
      end
    end
  when Symbol then write_string_with_ref(obj)
  when UUID then write_guid_with_ref(obj)
  when Time then write_date_with_ref(obj)
  when Array, Range, MatchData then write_list_with_ref(obj)
  when Hash then write_map_with_ref(obj)
  when Binding, Class, Dir, Exception, IO, Numeric,
      Method, Module, Proc, Regexp, Thread, ThreadGroup then
    raise Exception.exception('This type is not supported to serialize')
  else write_object_with_ref(obj)
  end
end

#write_boolean(bool) ⇒ Object 



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# File 'lib/hprose/io.rb', line 778

def write_boolean(bool)
  @stream.putc(bool ? TagTrue : TagFalse)
end

#write_bytes(bytes) ⇒ Object 



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# File 'lib/hprose/io.rb', line 804

def write_bytes(bytes)
  @refer.set(bytes)
  length = bytes.length
  @stream.putc(TagBytes)
  @stream.write(length.to_s) if length > 0
  @stream.putc(TagQuote)
  @stream.write(bytes)
  @stream.putc(TagQuote)
end

#write_bytes_with_ref(bytes) ⇒ Object 



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# File 'lib/hprose/io.rb', line 813

def write_bytes_with_ref(bytes)
  write_bytes(bytes) unless write_ref(bytes)
end

#write_date(time) ⇒ Object Also known as: write_time 



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# File 'lib/hprose/io.rb', line 781

def write_date(time)
  @refer.set(time)
  if time.hour == 0 and time.min == 0 and time.sec == 0 and time.usec == 0 then
    @stream.putc(TagDate)
    @stream.write(time.strftime('%Y%m%d'))
    @stream.putc(time.utc? ? TagUTC : TagSemicolon)
  elsif time.year == 1970 and time.mon == 1 and time.day == 1 then
    @stream.putc(TagTime)
    @stream.write(time.strftime('%H%M%S'))
    write_usec(time.usec)
    @stream.putc(time.utc? ? TagUTC : TagSemicolon)
  else
    @stream.putc(TagDate)
    @stream.write(time.strftime('%Y%m%d' << TagTime << '%H%M%S'))
    write_usec(time.usec)
    @stream.putc(time.utc? ? TagUTC : TagSemicolon)
  end
end

#write_date_with_ref(time) ⇒ Object Also known as: write_time_with_ref 



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# File 'lib/hprose/io.rb', line 799

def write_date_with_ref(time)
  write_date(time) unless write_ref(time)
end

#write_double(double) ⇒ Object 



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# File 'lib/hprose/io.rb', line 754

def write_double(double)
  if double.nan? then
    write_nan
  elsif double.finite? then
    @stream.putc(TagDouble)
    @stream.write(double.to_s)
    @stream.putc(TagSemicolon)
  else
    write_infinity(double > 0)
  end
end

#write_empty ⇒ Object 



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# File 'lib/hprose/io.rb', line 775

def write_empty
  @stream.putc(TagEmpty)
end

#write_guid(guid) ⇒ Object 



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# File 'lib/hprose/io.rb', line 833

def write_guid(guid)
  @refer.set(guid)
  @stream.putc(TagGuid)
  @stream.putc(TagOpenbrace)
  @stream.write(guid.to_s)
  @stream.putc(TagClosebrace)
end

#write_guid_with_ref(guid) ⇒ Object 



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# File 'lib/hprose/io.rb', line 840

def write_guid_with_ref(guid)
  write_guid(guid) unless write_ref(guid)
end

#write_infinity(positive = true) ⇒ Object 



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# File 'lib/hprose/io.rb', line 768

def write_infinity(positive = true)
  @stream.putc(TagInfinity)
  @stream.putc(positive ? TagPos : TagNeg)
end

#write_integer(integer) ⇒ Object 



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# File 'lib/hprose/io.rb', line 736

def write_integer(integer)
  if (0..9) === integer then
    @stream.putc(integer.to_s)
  else
    @stream.putc((-2147483648..2147483647) === integer ? TagInteger : TagLong)
    @stream.write(integer.to_s)
    @stream.putc(TagSemicolon)
  end
end

#write_list(list) ⇒ Object 



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# File 'lib/hprose/io.rb', line 843

def write_list(list)
  @refer.set(list)
  list = list.to_a
  count = list.size
  @stream.putc(TagList)
  @stream.write(count.to_s) if count > 0
  @stream.putc(TagOpenbrace)
  count.times do |i|
    serialize(list[i])
  end
  @stream.putc(TagClosebrace)
end

#write_list_with_ref(list) ⇒ Object 



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# File 'lib/hprose/io.rb', line 855

def write_list_with_ref(list)
  write_list(list) unless write_ref(list)
end

#write_long(long) ⇒ Object 



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# File 'lib/hprose/io.rb', line 745

def write_long(long)
  if (0..9) === long then
    @stream.putc(long.to_s)
  else
    @stream.putc(TagLong)
    @stream.write(long.to_s)
    @stream.putc(TagSemicolon)
  end
end

#write_map(map) ⇒ Object 



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# File 'lib/hprose/io.rb', line 858

def write_map(map)
  @refer.set(map)
  size = map.size
  @stream.putc(TagMap)
  @stream.write(size.to_s) if size > 0
  @stream.putc(TagOpenbrace)
  map.each do |key, value|
    serialize(key)
    serialize(value)
  end
  @stream.putc(TagClosebrace)
end

#write_map_with_ref(map) ⇒ Object 



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# File 'lib/hprose/io.rb', line 870

def write_map_with_ref(map)
  write_map(map) unless write_ref(map)
end

#write_nan ⇒ Object 



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# File 'lib/hprose/io.rb', line 765

def write_nan
  @stream.putc(TagNaN)
end

#write_null ⇒ Object 



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# File 'lib/hprose/io.rb', line 772

def write_null
  @stream.putc(TagNull)
end

#write_object(object) ⇒ Object 



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# File 'lib/hprose/io.rb', line 873

def write_object(object)
  classname = ClassManager.getClassAlias(object.class)
  if @classref.key?(classname) then
    index = @classref[classname]
    fields, vars = @fieldsref[index]
  else
    if object.is_a?(Struct) then
      vars = nil
      fields = object.members
    else
      vars = object.instance_variables
      fields = vars.map { |var| var.to_s.delete('@') }
    end
    index = write_class(classname, fields, vars)
  end
  @stream.putc(TagObject)
  @stream.write(index.to_s)
  @stream.putc(TagOpenbrace)
  @refer.set(object)
  if vars.nil? then
    fields.each { |field| serialize(object[field]) }
  else
    vars.each { |var| serialize(object.instance_variable_get(var)) }
  end
  @stream.putc(TagClosebrace)
end

#write_object_with_ref(object) ⇒ Object 



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# File 'lib/hprose/io.rb', line 899

def write_object_with_ref(object)
  write_object(object) unless write_ref(object)
end

#write_string(string) ⇒ Object 



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# File 'lib/hprose/io.rb', line 820

def write_string(string)
  @refer.set(string)
  string = string.to_s
  length = string.ulength
  @stream.putc(TagString)
  @stream.write(length.to_s) if length > 0
  @stream.putc(TagQuote)
  @stream.write(string)
  @stream.putc(TagQuote)
end

#write_string_with_ref(string) ⇒ Object 



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# File 'lib/hprose/io.rb', line 830

def write_string_with_ref(string)
  write_string(string) unless write_ref(string)
end

#write_utf8char(utf8char) ⇒ Object 



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# File 'lib/hprose/io.rb', line 816

def write_utf8char(utf8char)
  @stream.putc(TagUTF8Char)
  @stream.write(utf8char)
end