[Sommaire] [Imprimer]

   1  <?php
   2  /*
   3   *  $Id: StringReader.php 3076 2006-12-18 08:52:12Z fabien $
   4   *
   5   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   6   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   7   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   8   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   9   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  10   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  11   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  12   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  13   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  14   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  15   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  16   *
  17   * This software consists of voluntary contributions made by many individuals
  18   * and is licensed under the LGPL. For more information please see
  19   * <http://phing.info>. 
  20   */
  21  
  22  /**
  23   * Dummy class for reading character streams. 
  24   * @package phing.system.io
  25   */
  26  class StringReader extends Reader {
  27      
  28      private    $_string;
  29      private $mark = 0;
  30      private $currPos = 0;
  31      
  32      function __construct($string) {
  33          $this->_string = $string;
  34      }
  35  
  36      function skip($n) {}
  37  
  38      function read($len = null) {
  39          if ($len === null) {
  40              return $this->_string;
  41          } else {            
  42              if ($this->currPos >= strlen($this->_string)) {
  43                  return -1;
  44              }            
  45              $out = substr($this->_string, $this->currPos, $len);
  46              $this->currPos += $len;
  47              return $out;
  48          }
  49      }
  50  
  51      function mark() {
  52          $this->mark = $this->currPos;
  53      }
  54  
  55      function reset() {
  56          $this->currPos = $this->mark;
  57      }
  58  
  59      function close() {}
  60  
  61      function open() {}
  62  
  63      function ready() {}
  64  
  65      function markSupported() {
  66          return true;
  67      }
  68      
  69      function getResource() {
  70          return '(string) "'.$this->_string . '"';
  71      }
  72  }
  73  ?>