Subversion-Projekte lars-tiefland.laravel_shop

<?php declare(strict_types=1);

namespace PhpParser;

class Error extends \RuntimeException

{

    protected $rawMessage;

    protected $attributes;

    /**

     * Creates an Exception signifying a parse error.

     *

     * @param string    $message    Error message

     * @param array|int $attributes Attributes of node/token where error occurred

     *                              (or start line of error -- deprecated)

     */

    public function __construct(string $message, $attributes = []) {

        $this->rawMessage = $message;

        if (is_array($attributes)) {

            $this->attributes = $attributes;

        } else {

            $this->attributes = ['startLine' => $attributes];

        }

        $this->updateMessage();

    }

    /**

     * Gets the error message

     *

     * @return string Error message

     */

    public function getRawMessage() : string {

        return $this->rawMessage;

    }

    /**

     * Gets the line the error starts in.

     *

     * @return int Error start line

     */

    public function getStartLine() : int {

        return $this->attributes['startLine'] ?? -1;

    }

    /**

     * Gets the line the error ends in.

     *

     * @return int Error end line

     */

    public function getEndLine() : int {

        return $this->attributes['endLine'] ?? -1;

    }

    /**

     * Gets the attributes of the node/token the error occurred at.

     *

     * @return array

     */

    public function getAttributes() : array {

        return $this->attributes;

    }

    /**

     * Sets the attributes of the node/token the error occurred at.

     *

     * @param array $attributes

     */

    public function setAttributes(array $attributes) {

        $this->attributes = $attributes;

        $this->updateMessage();

    }

    /**

     * Sets the line of the PHP file the error occurred in.

     *

     * @param string $message Error message

     */

    public function setRawMessage(string $message) {

        $this->rawMessage = $message;

        $this->updateMessage();

    }

    /**

     * Sets the line the error starts in.

     *

     * @param int $line Error start line

     */

    public function setStartLine(int $line) {

        $this->attributes['startLine'] = $line;

        $this->updateMessage();

    }

    /**

     * Returns whether the error has start and end column information.

     *

     * For column information enable the startFilePos and endFilePos in the lexer options.

     *

     * @return bool

     */

    public function hasColumnInfo() : bool {

        return isset($this->attributes['startFilePos'], $this->attributes['endFilePos']);

    }

    /**

     * Gets the start column (1-based) into the line where the error started.

     *

     * @param string $code Source code of the file

     * @return int

     */

    public function getStartColumn(string $code) : int {

        if (!$this->hasColumnInfo()) {

            throw new \RuntimeException('Error does not have column information');

        }

        return $this->toColumn($code, $this->attributes['startFilePos']);

    }

    /**

     * Gets the end column (1-based) into the line where the error ended.

     *

     * @param string $code Source code of the file

     * @return int

     */

    public function getEndColumn(string $code) : int {

        if (!$this->hasColumnInfo()) {

            throw new \RuntimeException('Error does not have column information');

        }

        return $this->toColumn($code, $this->attributes['endFilePos']);

    }

    /**

     * Formats message including line and column information.

     *

     * @param string $code Source code associated with the error, for calculation of the columns

     *

     * @return string Formatted message

     */

    public function getMessageWithColumnInfo(string $code) : string {

        return sprintf(

            '%s from %d:%d to %d:%d', $this->getRawMessage(),

            $this->getStartLine(), $this->getStartColumn($code),

            $this->getEndLine(), $this->getEndColumn($code)

        );

    }

    /**

     * Converts a file offset into a column.

     *

     * @param string $code Source code that $pos indexes into

     * @param int    $pos  0-based position in $code

     *

     * @return int 1-based column (relative to start of line)

     */

    private function toColumn(string $code, int $pos) : int {

        if ($pos > strlen($code)) {

            throw new \RuntimeException('Invalid position information');

        }

        $lineStartPos = strrpos($code, "\n", $pos - strlen($code));

        if (false === $lineStartPos) {

            $lineStartPos = -1;

        }

        return $pos - $lineStartPos;

    }

    /**

     * Updates the exception message after a change to rawMessage or rawLine.

     */

    protected function updateMessage() {

        $this->message = $this->rawMessage;

        if (-1 === $this->getStartLine()) {

            $this->message .= ' on unknown line';

        } else {

            $this->message .= ' on line ' . $this->getStartLine();

        }

    }

}