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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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namespace Phing\Io; |
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/** |
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* Abstract class for reading character streams. |
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* |
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* @author Hans Lellelid <[email protected]> |
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* @author Yannick Lecaillez <[email protected]> |
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* @package phing.system.io |
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*/ |
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abstract class Reader |
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{ |
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/** |
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* Read data from source. |
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* |
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* If length is specified, then only that number of chars is read, |
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* otherwise stream is read until EOF. |
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* |
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* @param int $len |
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* @return mixed |
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* @throws IOException |
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*/ |
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abstract public function read($len = null); |
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/** |
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* Close stream. |
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* |
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* @throws IOException if there is an error closing stream |
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*/ |
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abstract public function close(); |
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/** |
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* Returns the filename, url, etc. that is being read from. |
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* This is critical for, e.g., ExpatParser's ability to know |
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* the filename that is throwing an ExpatParserException, etc. |
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* |
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* @return string |
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*/ |
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abstract public function getResource(); |
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/** |
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* Move stream position relative to current pos. |
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* |
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* @param int $n |
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*/ |
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public function skip($n) |
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{ |
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} |
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/** |
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* Reset the current position in stream to beginning or last mark (if supported). |
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*/ |
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public function reset() |
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{ |
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} |
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/** |
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* If supported, places a "marker" (like a bookmark) at current stream position. |
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* A subsequent call to reset() will move stream position back |
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* to last marker (if supported). |
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*/ |
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public function mark() |
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{ |
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} |
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/** |
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* Whether marking is supported. |
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* |
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* @return boolean |
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*/ |
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public function markSupported() |
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{ |
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return false; |
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} |
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/** |
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* Is stream ready for reading. |
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* |
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* @return boolean |
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*/ |
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public function ready() |
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{ |
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return true; |
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} |
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} |
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phingofficial /
phing
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.