Class: Gem2Rpm::Template

Inherits:
Object
  • Object
show all
Defined in:
lib/gem2rpm/template.rb

Defined Under Namespace

Classes: TemplateError

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(filename) ⇒ Template

Create instance of Template class of specified template filename. TemplateError is raised when the template file does not exists.



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# File 'lib/gem2rpm/template.rb', line 50

def initialize(filename)
  if File.exist? filename
    @filename = filename
  else
    fail TemplateError, "Could not locate template #{filename}"
  end
end

Instance Attribute Details

#filename ⇒ Object

Returns the value of attribute filename.



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# File 'lib/gem2rpm/template.rb', line 5

def filename
  @filename
end

Class Method Details

.default_location ⇒ Object 



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# File 'lib/gem2rpm/template.rb', line 7

def self.default_location
  @@location ||= File.join(File.dirname(__FILE__), '..', '..', 'templates')
end

.default_location=(location) ⇒ Object 



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# File 'lib/gem2rpm/template.rb', line 11

def self.default_location=(location)
  @@location = location
  @@list = nil
end

.find(name = nil, options = {}) ⇒ Object

Returns instance of Template class. If the ‘name’ parameter is specified it tries to instantiate the template of specific name first. When options is specified, it can be taken into consideration when looking for vagrant templates for example.



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# File 'lib/gem2rpm/template.rb', line 26

def self.find(name = nil, options = {})
  if name.nil?
    gem_file = File.basename(options[:gem_file]) if options[:gem_file]
    case gem_file
    when /^vagrant(-|_).*/
      Gem2Rpm.vagrant_plugin_template
    else
      Gem2Rpm.rubygem_template
    end
  else
    begin
      if File.exist?(name)
        Gem2Rpm::Template.new(name)
      else
        Gem2Rpm::Template.new(File.join(Gem2Rpm::Template.default_location, name + '.spec.erb'))
      end
    rescue TemplateError
      raise TemplateError, "Could not locate template #{name}"
    end
  end
end

.list ⇒ Object 



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# File 'lib/gem2rpm/template.rb', line 16

def self.list
  @@list ||= Dir.chdir(default_location) do
    Dir.glob('*').sort
  end
end

Instance Method Details

#read ⇒ Object

Read the content of the template file.



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# File 'lib/gem2rpm/template.rb', line 59

def read
  @content ||= begin
    File.open(@filename, OPEN_MODE, &:read)
  end
end