Class: Protobuf::Compiler

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

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.compile(proto_file, proto_dir = '.', out_dir = '.', file_create = true) ⇒ Object 



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# File 'lib/protobuf/compiler/compiler.rb', line 8

def self.compile(proto_file, proto_dir='.', out_dir='.', file_create=true)
  self.new.compile proto_file, proto_dir, out_dir, file_create
end

Instance Method Details

#compile(proto_file, proto_dir = '.', out_dir = '.', file_create = true) ⇒ Object 



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# File 'lib/protobuf/compiler/compiler.rb', line 12

def compile(proto_file, proto_dir='.', out_dir='.', file_create=true)
  create_message proto_file, proto_dir, out_dir, file_create
  create_rpc proto_file, proto_dir, out_dir, file_create
end

#create_message(proto_file, proto_dir = '.', out_dir = '.', file_create = true) ⇒ Object 



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# File 'lib/protobuf/compiler/compiler.rb', line 17

def create_message(proto_file, proto_dir='.', out_dir='.', file_create=true)
  out_dir.sub! %r{/$}, ''
  proto_dir.sub! %r{/$}, ''
  rb_file = 
    if proto_file =~ %r{^/} 
    then "#{out_dir}/#{proto_file.split('/').last.sub(/\.proto$/, '')}.pb.rb"  
    else "#{out_dir}/#{proto_file.sub(/\.proto$/, '')}.pb.rb" end
  proto_path = validate_existence proto_file, proto_dir

  message_visitor = Protobuf::Visitor::CreateMessageVisitor.new proto_file, proto_dir, out_dir
  File.open proto_path, 'r' do |file|
    message_visitor.visit Protobuf::ProtoParser.new.parse(file)
  end
  message_visitor.create_files rb_file, out_dir, file_create
end

#create_rpc(proto_file, proto_dir = '.', out_dir = '.', file_create = true) ⇒ Object 



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# File 'lib/protobuf/compiler/compiler.rb', line 33

def create_rpc(proto_file, proto_dir='.', out_dir='.', file_create=true)
  message_file = "#{out_dir}/#{proto_file.sub(/\.proto$/, '')}.pb.rb"
  out_dir = "#{out_dir}/#{File.dirname proto_file}"
  proto_path = validate_existence proto_file, proto_dir

  rpc_visitor = Protobuf::Visitor::CreateRpcVisitor.new
  File.open proto_path, 'r' do |file|
    rpc_visitor.visit Protobuf::ProtoParser.new.parse(file)
  end
  rpc_visitor.create_files message_file, out_dir, file_create
end

#validate_existence(path, base_dir) ⇒ Object 



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# File 'lib/protobuf/compiler/compiler.rb', line 45

def validate_existence(path, base_dir)
  if File.exist? path
  elsif File.exist?(path = "#{base_dir or '.'}/#{path}")
  else
    raise ArgumentError.new("File does not exist: #{path}")
  end
  path
end