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<?php |
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/** |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* This software consists of voluntary contributions made by many individuals |
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* and is licensed under the LGPL. For more information please see |
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* <http://phing.info>. |
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*/ |
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/** |
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* String helper utility class. |
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* |
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* This class includes some Java-like functions for parsing strings, |
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* as well as some functions for getting qualifiers / unqualifying phing-style |
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* classpaths. (e.g. "phing.util.StringHelper"). |
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* |
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* @author Hans Lellelid <[email protected]> |
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* |
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* @package phing.system.util |
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*/ |
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class StringHelper |
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{ |
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/** |
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* @var array |
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*/ |
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private static $TRUE_VALUES = ["on", "true", "t", "yes", "1"]; |
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/** |
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* @var array |
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*/ |
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private static $FALSE_VALUES = ["off", "false", "f", "no", "0"]; |
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/** |
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* Remove qualification to name. |
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* E.g. eg.Cat -> Cat |
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* |
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* @param string $qualifiedName |
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* @param string $separator Character used to separate. |
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* |
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* @return string |
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*/ |
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821 |
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public static function unqualify($qualifiedName, $separator = '.') |
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{ |
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// if false, then will be 0 |
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$pos = strrpos($qualifiedName, $separator); |
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if ($pos === false) { |
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return $qualifiedName; // there is no '.' in the qualifed name |
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} |
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return substr($qualifiedName, $pos + 1); // start just after '.' |
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} |
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/** |
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* @param bool|string $s |
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* |
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* @return boolean |
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*/ |
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public static function booleanValue($s) |
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{ |
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if (is_bool($s)) { |
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return $s; // it's already boolean (not a string) |
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} |
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// otherwise assume it's something like "true" or "t" |
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$trimmed = strtolower(trim($s)); |
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return (bool) in_array($trimmed, self::$TRUE_VALUES); |
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} |
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/** |
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* tests if a string is a representative of a boolean |
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* |
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* @param bool|string $s |
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* |
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* @return bool |
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*/ |
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public static function isBoolean($s) |
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{ |
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if (is_bool($s)) { |
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return true; // it already is boolean |
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} |
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if ($s === "" || $s === null || !is_string($s)) { |
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return false; // not a valid string for testing |
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} |
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$test = strtolower(trim($s)); |
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return in_array($test, array_merge(self::$FALSE_VALUES, self::$TRUE_VALUES), true); |
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} |
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/** |
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* tests if a string starts with a given string |
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* |
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* @param $check |
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* @param $string |
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* |
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* @return bool |
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*/ |
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public static function startsWith($check, $string) |
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{ |
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if ($check === "" || $check === $string) { |
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return true; |
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} |
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return strpos($string, $check) === 0; |
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} |
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/** |
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* tests if a string ends with a given string |
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* |
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* @param $check |
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* @param $string |
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* |
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* @return bool |
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*/ |
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public static function endsWith($check, $string) |
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{ |
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if ($check === "" || $check === $string) { |
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return true; |
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} |
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return strpos(strrev($string), strrev($check)) === 0; |
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} |
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/** |
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* a natural way of getting a subtring, php's circular string buffer and strange |
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* return values suck if you want to program strict as of C or friends |
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* |
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* @param string $string |
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* @param int $startpos |
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* @param int $endpos |
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* |
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* @return string |
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*/ |
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public static function substring($string, $startpos, $endpos = -1) |
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{ |
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$len = strlen($string); |
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$endpos = (int) (($endpos === -1) ? $len - 1 : $endpos); |
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if ($startpos > $len - 1 || $startpos < 0) { |
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trigger_error("substring(), Startindex out of bounds must be 0<n<$len", E_USER_ERROR); |
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} |
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if ($endpos > $len - 1 || $endpos < $startpos) { |
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trigger_error("substring(), Endindex out of bounds must be $startpos<n<" . ($len - 1), E_USER_ERROR); |
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} |
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if ($startpos === $endpos) { |
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return (string) $string[$startpos]; |
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} |
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$len = $endpos - $startpos; |
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return substr($string, $startpos, $len + 1); |
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} |
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/** |
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* Does the value correspond to a slot variable? |
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* |
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* @param string $value |
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* |
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* @return bool|int |
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*/ |
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public static function isSlotVar($value) |
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{ |
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$value = trim($value); |
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if ($value === "") { |
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return false; |
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} |
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return preg_match('/^%\{([\w\.\-]+)\}$/', $value); |
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} |
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/** |
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* Extracts the variable name for a slot var in the format %{task.current_file} |
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* |
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* @param string $var The var from build file. |
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* |
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* @return string Extracted name part. |
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*/ |
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public static function slotVar($var) |
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{ |
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return trim($var, '%{} '); |
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} |
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} |
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