Class: CassSchema::StatementLoader

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

Class Method Summary collapse

Class Method Details

.statements(*path_parts) ⇒ Object 



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# File 'lib/cass_schema/statement_loader.rb', line 4

def statements(*path_parts)
  file_path = File.join(path_parts)
  file = File.open(file_path).read

  # Parse the individual CQL statements as a list from the file. To do so:
  # - assume statements are separated by two new lines
  # - strip comments (#,--,//) and empty lines from each statement
  # - remove statements that are empty
  # - Note that /* multiline comments */ are not supported
  statements = file.split(/\n{2,}/).map do |statement|
    statement
      .split(/\n/)
      .select { |l| l !~ /^\s*#/ }
      .select { |l| l !~ /^\s*$/ }
      .select { |l| l !~ /^\s*--.*$/ }
      .select { |l| l !~ /^\s*\/\/.*$/ }
      .join("\n")
  end

  statements.select { |s| s.length > 0 }
end