Blocks World

This is the classic Blocks World, in PHP.

• Implemented in the CLI.
• Block.php contains a data structure class, as this was the most elegant way to capture all and only the requirements for Blocks World. The resulting class in Robot.php has echoes of a linked list (using class Block), except here we've changed Robot's methods to reflect what the Robot class does.

How to Run the Code

• The Script Runs on Text Files. Out of the box, I've included an input.txt file with some sample input:
  1. Download the project
  2. Go to the project's root directory
  3. Run the following:

  php bot input.txt

• Including Your Own Input File.
  1. Create a text file with the following possible keywords:

     # Comments can be placed on any line
     15 blocks
     print move x onto y
     print move x over y
     print pile x onto y
     print pile x over y
     

     • Concretely:

       25 blocks
       print move 8 onto 4
       print pile 6 onto 3
       # ...
       

  2. Place the file in the project's root directory.
  3. Run it from the project's root directory: php bot [your txt file]
  4. If you prefer, you can print only the final state of how the blocks end up:

     10 blocks
     move 8 onto 4
     pile 6 onto 3
     # prints out the final state only:
     quit
     

How to Run the Unit Tests

1. Blocks World Uses PHPUnit 11.4. From the project root, type ./tools/phpunit