Class: Warg::Script::Template

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

Defined Under Namespace

Classes: Missing

Constant Summary collapse

INTERPOLATION_REGEXP = 
/%{([\w:]+)}/
MISSING = 
Missing.new

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file_path) ⇒ Template

Returns a new instance of Template.


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# File 'lib/warg.rb', line 2098

def initialize(file_path)
  @path = file_path
  @content = @path.read
end

Instance Attribute Details

#content ⇒ Object (readonly)

Returns the value of attribute content


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# File 'lib/warg.rb', line 2096

def content
  @content
end

Class Method Details

.find(relative_script_path, fail_if_missing: true) ⇒ Object 


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# File 'lib/warg.rb', line 2048

def self.find(relative_script_path, fail_if_missing: true)
  extension = File.extname(relative_script_path)
  relative_paths = [relative_script_path]

  if extension.empty?
    relative_paths << "#{relative_script_path}.sh"
  else
    relative_paths << relative_script_path.chomp(extension)
  end

  paths_checked = []

  script_path = Warg.search_paths.inject(nil) do |path, directory|
    relative_paths.each do |relative_path|
      target_path = directory.join("scripts", relative_path)
      paths_checked << target_path

      if target_path.exist?
        path = target_path
      end
    end

    if path
      break path
    end
  end

  if script_path
    new(script_path)
  elsif fail_if_missing
    raise <<~ERROR
      ScriptNotFoundError: Could not find `#{relative_script_path}'
        Looked in:
          #{paths_checked.join("\n")}
    ERROR
  else
    MISSING
  end
end

Instance Method Details

#compile(interpolations) ⇒ Object 


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# File 'lib/warg.rb', line 2103

def compile(interpolations)
  @content.gsub(INTERPOLATION_REGEXP) do |match|
    if interpolations.key?($1)
      interpolations[$1]
    else
      $stderr.puts "[WARN] `#{$1}' is not defined in interpolations or context variables"
      $stderr.puts "[WARN]   leaving interpolation `#{match}' as is"
      match
    end
  end
end