1: <?php
  2: /**
  3:  * @author Jefferson González
  4:  * @license MIT
  5:  * @link http://github.com/peg-org/peg-custom Source code.
  6:  */
  7: 
  8: namespace Peg\Custom\Command\Action\Parse;
  9: 
 10: use Peg\Custom\Application;
 11: use Peg\Custom\CommandLine\Error;
 12: use Peg\Custom\Utilities\FileSystem;
 13: 
 14: /**
 15:  * Declares the base for a parse action that extract and generates definition
 16:  * files.
 17:  */
 18: abstract class Base extends \Peg\Custom\CommandLine\Action
 19: {
 20:     /**
 21:      * Reference to command that called this action.
 22:      * @var \Peg\Custom\CommandLine\Command
 23:      */
 24:     protected $command;
 25:     
 26:     /**
 27:      * Format of the files to parse/lex.
 28:      * @var string
 29:      */
 30:     protected $input_format;
 31:     
 32:     /**
 33:      * Format used to store the parsed definition files.
 34:      * @see \Peg\Lib\Definitions\Type
 35:      * @var string
 36:      */
 37:     protected $output_format;
 38:     
 39:     /**
 40:      * This is used optionally by a children implementing this class in order
 41:      * for them to correctly resolve a header file. For example: doxygen xml
 42:      * files store the full path to the header file where a symbol was found, eg:
 43:      * /home/user/libs/wx/frame.h, if this variable is set to /home/user/libs/
 44:      * the final header file will be stored on the symbols object as wx/frame.h
 45:      * @var string
 46:      */
 47:     protected $headers_path;
 48:     
 49:     /**
 50:      * Flag that indicates if the lexer/parser should output messages of its 
 51:      * current status.
 52:      * @var bool
 53:      */
 54:     protected $verbose;
 55: 
 56:     /**
 57:      * You derived class should override this and set the 
 58:      * input_format name of your parser/lexer so it is called apropiately
 59:      * when this variable is set.
 60:      * @param string $input_format Format of files to parse, eg: doxygen
 61:      */
 62:     public function __construct($input_format)
 63:     {
 64:         $this->input_format = $input_format;
 65:     }
 66: 
 67:     /**
 68:      * You shouldn't override this method, instead write a Start() implementation.
 69:      * @param \Peg\Custom\CommandLine\Command $command
 70:      */
 71:     public function OnCall(\Peg\Custom\CommandLine\Command $command)
 72:     {
 73:         if(!Application::ValidExtension())
 74:             Error::Show(t("The current directory is not a valid peg managed extension."));
 75: 
 76:         if(!file_exists(Application::GetCwd() . "/definitions"))
 77:             FileSystem::MakeDir(Application::GetCwd() . "/definitions");
 78: 
 79:         if($command->GetOption("input-format")->GetValue() == $this->input_format)
 80:         {
 81:             $this->command = $command;
 82:             
 83:             $this->output_format = $command->GetOption("output-format")->GetValue();
 84: 
 85:             if(trim($command->GetOption("headers")->GetValue()) != "")
 86:             {
 87:                 $this->headers_path = rtrim(
 88:                     str_replace(
 89:                         "\\", 
 90:                         "/", 
 91:                         $command->GetOption("headers")->GetValue()
 92:                     ), 
 93:                     "/"
 94:                 ) . "/";
 95:             }
 96: 
 97:             $this->verbose = $command->GetOption("verbose")->active;
 98: 
 99:             $this->Start($command->GetOption("source")->GetValue());
100:         }
101:     }
102: 
103:     /**
104:      * Needs to be implemented by classes extending this one in order to
105:      * begin the parsing process when the input format matches that of the
106:      * action been called.
107:      */
108:     abstract public function Start($path);
109: }