protected function initFromSpecString($specString)
    {
        $pattern = '/
        (
                (?:[a-zA-Z0-9-]+)
                (?:
                    \|
                    (?:[a-zA-Z0-9-]+)
                )?
        )

        # option attribute operators
        ([:+?])?

        # value types
        (?:=(boolean|string|number|date|file|dir|url|email|ip|ipv6|ipv4))?
        /x';
        $ret = preg_match($pattern, $specString, $regs);
        if ($ret === false || $ret === 0) {
            throw new Exception('Incorrect spec string');
        }

        $orig = $regs[0];
        $name = $regs[1];
        $attributes = isset($regs[2]) ? $regs[2] : null;
        $type = isset($regs[3]) ? $regs[3] : null;

        $short = null;
        $long = null;

        // check long,short option name.
        if (strpos($name, '|') !== false) {
            list($short, $long) = explode('|', $name);
        } else if (strlen($name) === 1) {
            $short = $name;
        } else if (strlen($name) > 1) {
            $long = $name;
        }

        $this->short = $short;
        $this->long = $long;

        // option is required.
        if (strpos($attributes, ':') !== false) {
            $this->required();
        } else if (strpos($attributes, '+') !== false) {
            // option with multiple value
            $this->multiple();
        } else if (strpos($attributes, '?') !== false) {
            // option is optional.(zero or one value)
            $this->optional();
        } else {
            $this->flag();
        }
        if ($type) {
            $this->isa($type);
        }
    }
protected function initFromSpecString($specString)
    {
        $pattern = '/
        (
                (?:[a-zA-Z0-9-]+)
                (?:
                    \|
                    (?:[a-zA-Z0-9-]+)
                )?
        )

        # option attribute operators
        ([:+?])?

        # value types
        (?:=(boolean|string|number|date|file|dir|url|email|ip|ipv6|ipv4))?
        /x';
        $ret = preg_match($pattern, $specString, $regs);
        if ($ret === false || $ret === 0) {
            throw new Exception('Incorrect spec string');
        }

        $orig = $regs[0];
        $name = $regs[1];
        $attributes = isset($regs[2]) ? $regs[2] : null;
        $type = isset($regs[3]) ? $regs[3] : null;

        $short = null;
        $long = null;

        // check long,short option name.
        if (strpos($name, '|') !== false) {
            list($short, $long) = explode('|', $name);
        } else if (strlen($name) === 1) {
            $short = $name;
        } else if (strlen($name) > 1) {
            $long = $name;
        }

        $this->short = $short;
        $this->long = $long;

        // option is required.
        if (strpos($attributes, ':') !== false) {
            $this->required();
        } else if (strpos($attributes, '+') !== false) {
            // option with multiple value
            $this->multiple();
        } else if (strpos($attributes, '?') !== false) {
            // option is optional.(zero or one value)
            $this->optional();
        } else {
            $this->flag();
        }
        if ($type) {
            $this->isa($type);
        }
    }
protected function initFromSpecString ( $ specString ) { $ pattern = '/
        (
                (?:[a-zA-Z0-9-]+)
                (?:
                    \|
                    (?:[a-zA-Z0-9-]+)
                )?
        )

        # option attribute operators
        ([:+?])?

        # value types
        (?:=(boolean|string|number|date|file|dir|url|email|ip|ipv6|ipv4))?
        /x' ; $ ret = preg_match ( $ pattern , $ specString , $ regs ) ; if ( $ ret === false || $ ret === 0 ) { throw new Exception ( 'Incorrect spec string' ) ; } $ orig = $ regs [ 0 ] ; $ name = $ regs [ 1 ] ; $ attributes = isset ( $ regs [ 2 ] ) ? $ regs [ 2 ] : null ; $ type = isset ( $ regs [ 3 ] ) ? $ regs [ 3 ] : null ; $ short = null ; $ long = null ; // check long,short option name. if ( strpos ( $ name , '|' ) !== false ) { list ( $ short , $ long ) = explode ( '|' , $ name ) ; } else if ( strlen ( $ name ) === 1 ) { $ short = $ name ; } else if ( strlen ( $ name ) > 1 ) { $ long = $ name ; } $ this -> short = $ short ; $ this -> long = $ long ; // option is required. if ( strpos ( $ attributes , ':' ) !== false ) { $ this -> required ( ) ; } else if ( strpos ( $ attributes , '+' ) !== false ) { // option with multiple value $ this -> multiple ( ) ; } else if ( strpos ( $ attributes , '?' ) !== false ) { // option is optional.(zero or one value) $ this -> optional ( ) ; } else { $ this -> flag ( ) ; } if ( $ type ) { $ this -> isa ( $ type ) ; } }
Build spec attributes from spec string.

@param string $specString
Build spec attributes from spec string .