Class: Asciidoctor::Diagram::Extensions::FileSource
Overview
A diagram source that retrieves the code for a diagram from an external source file.
Instance Attribute Summary
Attributes inherited from BasicSource
#attributes
Instance Method Summary
collapse
Methods inherited from BasicSource
#attr, #checksum, #create_image_metadata
#attr, #create_image_metadata, #to_s
Constructor Details
#initialize(parent, file_name, attributes) ⇒ FileSource
Returns a new instance of FileSource.
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# File 'lib/asciidoctor-diagram/extensions.rb', line 430
def initialize(parent, file_name, attributes)
super(parent, attributes)
@file_name = file_name
end
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Instance Method Details
#base_dir ⇒ Object
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# File 'lib/asciidoctor-diagram/extensions.rb', line 435
def base_dir
File.dirname(@file_name)
end
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#code ⇒ Object
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# File 'lib/asciidoctor-diagram/extensions.rb', line 453
def code
@code ||= read_code
end
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#image_name ⇒ Object
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# File 'lib/asciidoctor-diagram/extensions.rb', line 439
def image_name
if @attributes['target']
super
elsif @file_name
File.basename(@file_name, File.extname(@file_name))
else
checksum
end
end
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#read_code ⇒ Object
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# File 'lib/asciidoctor-diagram/extensions.rb', line 457
def read_code
if @file_name
lines = File.readlines(@file_name)
lines = ::Asciidoctor::Helpers.normalize_lines(lines)
@parent.apply_subs(lines, resolve_diagram_subs).join("\n")
else
''
end
end
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#should_process?(image_file, image_metadata) ⇒ Boolean
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# File 'lib/asciidoctor-diagram/extensions.rb', line 449
def should_process?(image_file, image_metadata)
File.mtime(@file_name) > File.mtime(image_file) || super
end
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