Class: PSD::Resources
Overview
Parses and reads all of the Resource records in the document.
Instance Attribute Summary collapse
-
#resources ⇒ Object
(also: #data)
readonly
Returns the value of attribute resources.
Attributes included from Section
Instance Method Summary collapse
- #[](id) ⇒ Object
- #by_type(id) ⇒ Object
-
#initialize(file) ⇒ Resources
constructor
A new instance of Resources.
-
#parse ⇒ Object
Parses each Resource and stores them.
- #skip ⇒ Object
Methods included from Section
#end_of_section, #end_section, #start_of_section, #start_section
Constructor Details
#initialize(file) ⇒ Resources
Returns a new instance of Resources.
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# File 'lib/psd/resources.rb', line 9 def initialize(file) @file = file @resources = {} @type_index = {} @length = nil end |
Instance Attribute Details
#resources ⇒ Object (readonly) Also known as: data
Returns the value of attribute resources.
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# File 'lib/psd/resources.rb', line 6 def resources @resources end |
Instance Method Details
#[](id) ⇒ Object
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# File 'lib/psd/resources.rb', line 50 def [](id) if id.is_a?(Symbol) by_type(id) else @resources[id] end end |
#by_type(id) ⇒ Object
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# File 'lib/psd/resources.rb', line 58 def by_type(id) @resources[@type_index[id]] end |
#parse ⇒ Object
Parses each Resource and stores them.
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# File 'lib/psd/resources.rb', line 17 def parse start_section n = length start = @file.tell while n > 0 pos = @file.tell resource = Resource.new(@file) resource.parse resource_end = @file.tell + resource.size name = Resource::Section.factory(@file, resource) @resources[resource.id] = resource @type_index[name] = resource.id unless name.nil? @file.seek resource_end n -= @file.tell - pos end unless n == 0 @file.seek start + length end end_section end |
#skip ⇒ Object
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# File 'lib/psd/resources.rb', line 46 def skip @file.seek length, IO::SEEK_CUR end |