Class: ProjectFileLoader

Inherits:
Object show all
Defined in:
lib/ceedling/project_file_loader.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#main_file ⇒ Object (readonly)

Returns the value of attribute main_file.



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# File 'lib/ceedling/project_file_loader.rb', line 6

def main_file
  @main_file
end

#user_file ⇒ Object (readonly)

Returns the value of attribute user_file.



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# File 'lib/ceedling/project_file_loader.rb', line 6

def user_file
  @user_file
end

Instance Method Details

#find_project_files ⇒ Object 



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# File 'lib/ceedling/project_file_loader.rb', line 21

def find_project_files
  # first go hunting for optional user project file by looking for environment variable and then default location on disk
  user_filepath = @system_wrapper.env_get('CEEDLING_USER_PROJECT_FILE')

  if ( not user_filepath.nil? and @file_wrapper.exist?(user_filepath) )
    @user_project_filepath = user_filepath
  elsif (@file_wrapper.exist?(DEFAULT_CEEDLING_USER_PROJECT_FILE))
    @user_project_filepath = DEFAULT_CEEDLING_USER_PROJECT_FILE
  end

  # next check for mixin project files by looking for environment variable
  mixin_filepaths = @system_wrapper.env_get('CEEDLING_MIXIN_PROJECT_FILES')
  if ( not mixin_filepaths.nil? )
    mixin_filepaths.split(File::PATH_SEPARATOR).each do |filepath|
      if ( @file_wrapper.exist?(filepath) )
        @mixin_project_filepaths.push(filepath)
      end
    end
  end

  # next check for main project file by looking for environment variable and then default location on disk;
  # blow up if we don't find this guy -- like, he's so totally important
  main_filepath = @system_wrapper.env_get('CEEDLING_MAIN_PROJECT_FILE')

  if ( not main_filepath.nil? and @file_wrapper.exist?(main_filepath) )
    @main_project_filepath = main_filepath
  elsif (@file_wrapper.exist?(DEFAULT_CEEDLING_MAIN_PROJECT_FILE))
    @main_project_filepath = DEFAULT_CEEDLING_MAIN_PROJECT_FILE
  else
    # no verbosity checking since this is lowest level reporting anyhow &
    # verbosity checking depends on configurator which in turns needs this class (circular dependency)
    @stream_wrapper.stderr_puts('Found no Ceedling project file (*.yml)')
    raise
  end

  @main_file = File.basename( @main_project_filepath )
  @mixin_project_filepaths.each do |filepath|
    @mixin_files.push(File.basename( filepath ))
  end
  @user_file = File.basename( @user_project_filepath ) if ( not @user_project_filepath.empty? )
end

#load_project_config ⇒ Object 



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# File 'lib/ceedling/project_file_loader.rb', line 81

def load_project_config
  config_hash = @yaml_wrapper.load(@main_project_filepath)

  # if there are mixin project files, then use them
  @mixin_project_filepaths.each do |filepath|
    mixin = @yaml_wrapper.load(filepath)
    config_hash = yaml_merger( config_hash, mixin )
  end

  # if there's a user project file, then use it
  if ( not @user_project_filepath.empty? )
    user_hash = @yaml_wrapper.load(@user_project_filepath)
    config_hash = yaml_merger( config_hash, user_hash )
  end

  return config_hash
end

#setup ⇒ Object 



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# File 'lib/ceedling/project_file_loader.rb', line 10

def setup
  @main_file = nil
  @mixin_files = []
  @user_file = nil

  @main_project_filepath = ''
  @mixin_project_filepaths = []
  @user_project_filepath = ''
end

#yaml_merger(y1, y2) ⇒ Object 



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# File 'lib/ceedling/project_file_loader.rb', line 63

def yaml_merger(y1, y2)
  o1 = y1
  y2.each_pair do |k,v|
    if o1[k].nil?
      o1[k] = v
    else
      if (o1[k].instance_of? Hash)
        o1[k] = yaml_merger(o1[k], v)
      elsif (o1[k].instance_of? Array)
        o1[k] += v
      else
        o1[k] = v
      end
    end
  end
  return o1
end