grima-splats.php

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<?php

namespace zemowsplat;

 

class Splat {

    private $paths;

    private $bases;

/* the stack */


    private $stack;

    protected function push( array $scope ) { 

        $this->stack[] = array_merge((array) $this->peek(), (array) $scope);

    }

 

    protected function peek() {

        $length = sizeof($this->stack);

        return $length ? $this->stack[ $length - 1 ] : array();

    }

 

    protected function pop() {

        return array_pop($this->stack);

    }

 

    public function __construct() {

        $this->stack = [ [

            'e' =>  'htmlspecialchars',

            't' =>  [ $this, 'splat' ],

        ] ];

        $this->paths = [];

        $this->bases = [];

    }

 

    public function splat( $name, $scope = array() ) {

        $this->push($scope);

        $scope = $this->peek();

        foreach( $this->nameToPaths($name) as $file ) {

            $exe = new SplatExecutionContext($file, $scope);

            $exe->splat();

        }

        $this->pop();

    }

 

    public function addPaths( array $paths ) {

        foreach( $paths as $name => $path ) {

            $this->paths[$name][] = $path;

        }

    }

 

    public function addBases( $bases ) {

        foreach( (array) $bases as $base ) {

            $this->bases[] = $base;

        }

    }

 

    protected function nameToPaths($name) {

        $ret = array();

        @$onlyOne = array_merge((array) $this->paths[$name], [ "$name.php", ]);

        foreach( $onlyOne as $file ) {

            foreach( $this->bases as $base ) {

                $path = $base . DIRECTORY_SEPARATOR . $file;

                if( is_readable($path) ) {

                    $ret[] = $path;

                    break 2;

                }

            }

        }

        @$adds = array_merge((array) $this->paths[$name.'[]'], [ "$name-add.php", ]);

        foreach( $adds as $file ) {

            foreach( $this->bases as $base ) {

                $path = $base . DIRECTORY_SEPARATOR . $file;

                if( is_readable($path) ) {

                    $ret[] = $path;

                }

            }

        }

        return $ret;

    }

}

 

class SplatExecutionContext {

    protected $file;

    protected $scope;

    public function __construct( $file, array $scope ) {

        $this->file  = $file;

        $this->scope = $scope;

    }

 

    public function splat() {

        extract($this->scope);

        include $this->file;

    }

}