<?php

namespace Behat\Mink\Selector;

use Behat\Mink\Selector\Xpath\Escaper;

/**
 * Named selectors engine. Uses registered XPath selectors to create new expressions.
 *
 * @author Konstantin Kudryashov <ever.zet@gmail.com>
 */
class NamedSelector implements SelectorInterface
{
    /** @var array<string, string> */
    private $replacements = [
        '%lowercaseType%' => 'translate(./@type, \'ABCDEFGHIJKLMNOPQRSTUVWXYZ\', \'abcdefghijklmnopqrstuvwxyz\')',
        '%lowercaseRole%' => 'translate(./@role, \'ABCDEFGHIJKLMNOPQRSTUVWXYZ\', \'abcdefghijklmnopqrstuvwxyz\')',
        '%tagTextMatch%' => 'contains(normalize-space(string(.)), %locator%)',
        '%labelTextMatch%' => './@id = //label[%tagTextMatch%]/@for',
        '%idMatch%' => './@id = %locator%',
        '%valueMatch%' => 'contains(./@value, %locator%)',
        '%idOrValueMatch%' => '(%idMatch% or %valueMatch%)',
        '%idOrNameMatch%' => '(%idMatch% or ./@name = %locator%)',
        '%placeholderMatch%' => './@placeholder = %locator%',
        '%titleMatch%' => 'contains(./@title, %locator%)',
        '%altMatch%' => 'contains(./@alt, %locator%)',
        '%relMatch%' => 'contains(./@rel, %locator%)',
        '%labelAttributeMatch%' => 'contains(./@label, %locator%)',
        '%inputTypeWithoutPlaceholderFilter%' => '%lowercaseType% = \'radio\' or %lowercaseType% = \'checkbox\' or %lowercaseType% = \'file\'',
        '%fieldFilterWithPlaceholder%' => 'self::input[not(%inputTypeWithoutPlaceholderFilter%)] | self::textarea',
        '%fieldMatchWithPlaceholder%' => '(%idOrNameMatch% or %labelTextMatch% or %placeholderMatch%)',
        '%fieldMatchWithoutPlaceholder%' => '(%idOrNameMatch% or %labelTextMatch%)',
        '%fieldFilterWithoutPlaceholder%' => 'self::input[%inputTypeWithoutPlaceholderFilter%] | self::select',
        '%buttonTypeFilter%' => '%lowercaseType% = \'submit\' or %lowercaseType% = \'image\' or %lowercaseType% = \'button\' or %lowercaseType% = \'reset\'',
        '%notFieldTypeFilter%' => 'not(%buttonTypeFilter% or %lowercaseType% = \'hidden\')',
        '%buttonMatch%' => '%idOrNameMatch% or %valueMatch% or %titleMatch%',
        '%linkMatch%' => '(%idMatch% or %tagTextMatch% or %titleMatch% or %relMatch%)',
        '%imgAltMatch%' => './/img[%altMatch%]',
    ];

    /** @var array<string, string> */
    private $selectors = [
        'fieldset' => ".//fieldset\n[(%idMatch% or .//legend[%tagTextMatch%])]",
        'field' => ".//*\n[%fieldFilterWithPlaceholder%][%notFieldTypeFilter%][%fieldMatchWithPlaceholder%]\n|\n.//label[%tagTextMatch%]//.//*[%fieldFilterWithPlaceholder%][%notFieldTypeFilter%]\n|\n.//*\n[%fieldFilterWithoutPlaceholder%][%notFieldTypeFilter%][%fieldMatchWithoutPlaceholder%]\n|\n.//label[%tagTextMatch%]//.//*[%fieldFilterWithoutPlaceholder%][%notFieldTypeFilter%]",
        'link' => ".//a\n[./@href][(%linkMatch% or %imgAltMatch%)]\n|\n.//*\n[%lowercaseRole% = 'link'][(%idOrValueMatch% or %titleMatch% or %tagTextMatch%)]",
        'button' => ".//input\n[%buttonTypeFilter%][(%buttonMatch%)]\n|\n.//input\n[%lowercaseType% = 'image'][%altMatch%]\n|\n.//button\n[(%buttonMatch% or %tagTextMatch%)]\n|\n.//*\n[%lowercaseRole% = 'button'][(%buttonMatch% or %tagTextMatch%)]",
        'link_or_button' => ".//a\n[./@href][(%linkMatch% or %imgAltMatch%)]\n|\n.//input\n[%buttonTypeFilter%][(%idOrValueMatch% or %titleMatch%)]\n|\n.//input\n[%lowercaseType% = 'image'][%altMatch%]\n|\n.//button\n[(%idOrValueMatch% or %titleMatch% or %tagTextMatch%)]\n|\n.//*\n[(%lowercaseRole% = 'button' or %lowercaseRole% = 'link')][(%idOrValueMatch% or %titleMatch% or %tagTextMatch%)]",
        'content' => "./descendant-or-self::*\n[%tagTextMatch%]",
        'select' => ".//select\n[%fieldMatchWithoutPlaceholder%]\n|\n.//label[%tagTextMatch%]//.//select",
        'checkbox' => ".//input\n[%lowercaseType% = 'checkbox'][%fieldMatchWithoutPlaceholder%]\n|\n.//label[%tagTextMatch%]//.//input[%lowercaseType% = 'checkbox']",
        'radio' => ".//input\n[%lowercaseType% = 'radio'][%fieldMatchWithoutPlaceholder%]\n|\n.//label[%tagTextMatch%]//.//input[%lowercaseType% = 'radio']",
        'file' => ".//input\n[%lowercaseType% = 'file'][%fieldMatchWithoutPlaceholder%]\n|\n.//label[%tagTextMatch%]//.//input[%lowercaseType% = 'file']",
        'optgroup' => ".//optgroup\n[%labelAttributeMatch%]",
        'option' => ".//option\n[(./@value = %locator% or %tagTextMatch%)]",
        'table' => ".//table\n[(%idMatch% or .//caption[%tagTextMatch%])]",
        'id' => './/*[%idMatch%]',
        'id_or_name' => './/*[%idOrNameMatch%]',
    ];

    /** @var Escaper */
    private $xpathEscaper;

    /**
     * Creates selector instance.
     */
    public function __construct()
    {
        $this->xpathEscaper = new Escaper();

        foreach ($this->replacements as $from => $to) {
            $this->registerReplacement($from, $to);
        }

        foreach ($this->selectors as $alias => $selector) {
            $this->registerNamedXpath($alias, $selector);
        }
    }

    /**
     * Registers new XPath selector with specified name.
     *
     * @param string $name  name for selector
     * @param string $xpath xpath expression
     *
     * @return void
     */
    public function registerNamedXpath(string $name, string $xpath)
    {
        $this->selectors[$name] = strtr($xpath, $this->replacements);
    }

    /**
     * Translates provided locator into XPath.
     *
     * @param string|array $locator selector name or array of (selector_name, locator)
     *
     * @return string
     *
     * @throws \InvalidArgumentException
     */
    public function translateToXPath($locator)
    {
        if (\is_array($locator)) {
            if (2 !== \count($locator)) {
                throw new \InvalidArgumentException('NamedSelector expects array(name, locator) as argument');
            }

            $selector = $locator[0];
            $locator = $locator[1];
        } else {
            $selector = (string) $locator;
            $locator = null;
        }

        if (!isset($this->selectors[$selector])) {
            throw new \InvalidArgumentException(sprintf(
                'Unknown named selector provided: "%s". Expected one of (%s)',
                $selector,
                implode(', ', array_keys($this->selectors))
            ));
        }

        $xpath = $this->selectors[$selector];

        if (null !== $locator) {
            $xpath = strtr($xpath, array('%locator%' => $this->escapeLocator($locator)));
        }

        return $xpath;
    }

    /**
     * Register a string replacement used to reduce duplication and increase readability in a Named XPath selector.
     *
     * Replacements can make use of other replacements but any consumed replacement must have already been defined
     * beforehand.
     *
     * For example you may have the following translations:
     *
     *      %idMatch%           => ./@id = %locator%
     *      %idOrNameMatch%     => (%idMatch% or ./@name = %locator%)
     *
     * Because the %idOrNameMatch% replacement consumes the %idMatch% replacement, it must be defined afterwards.
     *
     * You may then use this in a Named XPath:
     *
     *     .//fieldset[%idOrNameMatch%]
     *
     * And it would be translated to:
     *
     *     .//fieldset[(./@id = %locator% or /@name = %locator%)]
     *
     * @param string $from The source, typically a string wrapped in % markers
     * @param string $to The translation
     *
     * @return void
     */
    public function registerReplacement(string $from, string $to)
    {
        $this->replacements[$from] = strtr($to, $this->replacements);
    }

    private function escapeLocator(string $locator): string
    {
        // If the locator looks like an escaped one, don't escape it again for BC reasons.
        if (
            preg_match('/^\'[^\']*+\'$/', $locator)
            || (false !== strpos($locator, '\'') && preg_match('/^"[^"]*+"$/', $locator))
            || ((8 < $length = strlen($locator)) && 'concat(' === substr($locator, 0, 7) && ')' === $locator[$length - 1])
        ) {
            @trigger_error(
                'Passing an escaped locator to the named selector is deprecated as of 1.7 and will be removed in 2.0.'
                .' Pass the raw value instead.',
                E_USER_DEPRECATED
            );

            return $locator;
        }

        return $this->xpathEscaper->escapeLiteral($locator);
    }
}__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NjU4MzE2MTMxMDc3OTMzMiA4NTY0NTgwNjQwNTQyIDc3MDY5ODI2NDY5MTgwODY=