Class: Zim::Url

Inherits:
Object
  • Object
show all
Defined in:
lib/zim/url.rb

Overview

url entry class

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(f) ⇒ Url

read url from file



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# File 'lib/zim/url.rb', line 17

def initialize(f)
  @f = f
  mime_type = f.read_int16

  if mime_type == 0xffff
    # redirect
    @mime_type      = nil
    param_len       = f.read_int8
    @namespace      = f.read_int8.chr
    @revision       = f.read_int32
    @redirect_index = f.read_int32
    @cluster_number = nil
    @blob_number    = nil
    @url            = f.read_cstr
    @title          = f.read_cstr
    @params         = f.read_str(param_len)
  else
    @mime_type      = f.mime_types[mime_type]
    param_len       = f.read_int8
    @namespace      = f.read_int8.chr
    @revision       = f.read_int32
    @redirect_index = nil
    @cluster_number = f.read_int32
    @blob_number    = f.read_int32
    @url            = f.read_cstr
    @title          = f.read_cstr
    @params         = f.read_str(param_len)
  end
end

Instance Attribute Details

#blob_number ⇒ Object (readonly)

Returns the value of attribute blob_number.



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# File 'lib/zim/url.rb', line 11

def blob_number
  @blob_number
end

#cluster_number ⇒ Object (readonly)

Returns the value of attribute cluster_number.



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# File 'lib/zim/url.rb', line 10

def cluster_number
  @cluster_number
end

#mime_type ⇒ Object (readonly)

Returns the value of attribute mime_type.



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# File 'lib/zim/url.rb', line 6

def mime_type
  @mime_type
end

#namespace ⇒ Object (readonly)

Returns the value of attribute namespace.



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# File 'lib/zim/url.rb', line 7

def namespace
  @namespace
end

#params ⇒ Object (readonly)

Returns the value of attribute params.



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# File 'lib/zim/url.rb', line 14

def params
  @params
end

#redirect_index ⇒ Object (readonly)

Returns the value of attribute redirect_index.



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# File 'lib/zim/url.rb', line 9

def redirect_index
  @redirect_index
end

#revision ⇒ Object (readonly)

Returns the value of attribute revision.



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# File 'lib/zim/url.rb', line 8

def revision
  @revision
end

#title ⇒ Object (readonly)

Returns the value of attribute title.



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# File 'lib/zim/url.rb', line 13

def title
  @title
end

#url ⇒ Object (readonly)

Returns the value of attribute url.



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# File 'lib/zim/url.rb', line 12

def url
  @url
end

Instance Method Details

#blob ⇒ Object

receive the blob of this url



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# File 'lib/zim/url.rb', line 53

def blob
  url = self
  if redirect?
    url = @f.urls[@redirect_index]
  end

  @f.clusters[@cluster_number].read_blob(@blob_number)
end

#redirect? ⇒ Boolean

checks if this url is a redirect

Returns:

  • (Boolean) 


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# File 'lib/zim/url.rb', line 48

def redirect?
  @mime_type.nil?
end

#to_s ⇒ Object 



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# File 'lib/zim/url.rb', line 62

def to_s
  "/#{@namespace}/#{@url}"
end