Class: Soup::Backends::YAMLBackend

Inherits:
Base
  • Object
show all
Defined in:
lib/soup/backends/yaml_backend.rb

Constant Summary collapse

ATTRIBUTE_TOKEN = 
"--- # Soup attributes"

Instance Method Summary collapse

Methods inherited from Base

#find

Constructor Details

#initialize(path = "soup") ⇒ YAMLBackend

Returns a new instance of YAMLBackend.



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# File 'lib/soup/backends/yaml_backend.rb', line 6

def initialize(path="soup")
  @base_path = path
end

Instance Method Details

#all_snips ⇒ Object 



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# File 'lib/soup/backends/yaml_backend.rb', line 54

def all_snips
  Dir[path_for("*")].map do |key|
    load_snip(File.basename(key, ".yml"))
  end
end

#destroy(name) ⇒ Object 



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# File 'lib/soup/backends/yaml_backend.rb', line 44

def destroy(name)
  path = path_for(name)
  if File.exist?(path)
    File.delete(path)
    true
  else
    nil
  end
end

#load_snip(name) ⇒ Object 



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# File 'lib/soup/backends/yaml_backend.rb', line 18

def load_snip(name)
  path = path_for(name)
  if File.exist?(path)
    file = File.read(path)
    if attribute_start = file.index(ATTRIBUTE_TOKEN)
      content = file.slice(0...attribute_start)
      attributes = {:name => name}.merge(YAML.load(file.slice(attribute_start..-1)))
    else
      attributes = {:content => file, :name => name}
    end
    attributes.update(:content => content) if content && content.length > 0
    Snip.new(attributes, self)
  else
    nil
  end
end

#names ⇒ Object 



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# File 'lib/soup/backends/yaml_backend.rb', line 14

def names
  Dir[path_for("*")].map { |s| File.basename(s, ".yml") }
end

#prepare ⇒ Object 



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# File 'lib/soup/backends/yaml_backend.rb', line 10

def prepare
  FileUtils.mkdir_p(@base_path)
end

#save_snip(attributes) ⇒ Object 



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# File 'lib/soup/backends/yaml_backend.rb', line 35

def save_snip(attributes)
  File.open(path_for(attributes[:name]), 'w') do |f|
    attributes_without_content = attributes.dup
    f.write attributes_without_content.delete(:content)
    f.write attributes_without_content.to_yaml.gsub(/^---\s/, ATTRIBUTE_TOKEN + "\n") if attributes_without_content.any?
  end
  Snip.new(attributes, self)
end