diff options
Diffstat (limited to 'includes/libs/replacers')
-rw-r--r-- | includes/libs/replacers/DoubleReplacer.php | 43 | ||||
-rw-r--r-- | includes/libs/replacers/HashtableReplacer.php | 44 | ||||
-rw-r--r-- | includes/libs/replacers/RegexlikeReplacer.php | 46 | ||||
-rw-r--r-- | includes/libs/replacers/Replacer.php | 38 |
4 files changed, 171 insertions, 0 deletions
diff --git a/includes/libs/replacers/DoubleReplacer.php b/includes/libs/replacers/DoubleReplacer.php new file mode 100644 index 00000000..fed023b1 --- /dev/null +++ b/includes/libs/replacers/DoubleReplacer.php @@ -0,0 +1,43 @@ +<?php +/** + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * http://www.gnu.org/copyleft/gpl.html + * + * @file + */ + +/** + * Class to perform secondary replacement within each replacement string + */ +class DoubleReplacer extends Replacer { + /** + * @param mixed $from + * @param mixed $to + * @param int $index + */ + public function __construct( $from, $to, $index = 0 ) { + $this->from = $from; + $this->to = $to; + $this->index = $index; + } + + /** + * @param array $matches + * @return mixed + */ + public function replace( array $matches ) { + return str_replace( $this->from, $this->to, $matches[$this->index] ); + } +} diff --git a/includes/libs/replacers/HashtableReplacer.php b/includes/libs/replacers/HashtableReplacer.php new file mode 100644 index 00000000..b3c219d4 --- /dev/null +++ b/includes/libs/replacers/HashtableReplacer.php @@ -0,0 +1,44 @@ +<?php +/** + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * http://www.gnu.org/copyleft/gpl.html + * + * @file + */ + +/** + * Class to perform replacement based on a simple hashtable lookup + */ +class HashtableReplacer extends Replacer { + private $table, $index; + + /** + * @param array $table + * @param int $index + */ + public function __construct( $table, $index = 0 ) { + $this->table = $table; + $this->index = $index; + } + + /** + * @param array $matches + * @return mixed + */ + public function replace( array $matches ) { + return $this->table[$matches[$this->index]]; + } +} + diff --git a/includes/libs/replacers/RegexlikeReplacer.php b/includes/libs/replacers/RegexlikeReplacer.php new file mode 100644 index 00000000..2b1fa740 --- /dev/null +++ b/includes/libs/replacers/RegexlikeReplacer.php @@ -0,0 +1,46 @@ +<?php +/** + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * http://www.gnu.org/copyleft/gpl.html + * + * @file + */ + +/** + * Class to replace regex matches with a string similar to that used in preg_replace() + */ +class RegexlikeReplacer extends Replacer { + private $r; + + /** + * @param string $r + */ + public function __construct( $r ) { + $this->r = $r; + } + + /** + * @param array $matches + * @return string + */ + public function replace( array $matches ) { + $pairs = array(); + foreach ( $matches as $i => $match ) { + $pairs["\$$i"] = $match; + } + + return strtr( $this->r, $pairs ); + } +} diff --git a/includes/libs/replacers/Replacer.php b/includes/libs/replacers/Replacer.php new file mode 100644 index 00000000..f4850bf6 --- /dev/null +++ b/includes/libs/replacers/Replacer.php @@ -0,0 +1,38 @@ +<?php +/** + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * http://www.gnu.org/copyleft/gpl.html + * + * @file + */ + +/** + * Base class for "replacers", objects used in preg_replace_callback() and + * StringUtils::delimiterReplaceCallback() + */ +abstract class Replacer { + /** + * @return array + */ + public function cb() { + return array( &$this, 'replace' ); + } + + /** + * @param array $matches + * @return string + */ + abstract public function replace( array $matches ); +} |