hphp/util/string-bag.h

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-present Facebook, Inc. (http://www.facebook.com)  |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15 */
  16
  17 #pragma once
  18
  19 #include <vector>
  20
  21 namespace HPHP {
  22 ///////////////////////////////////////////////////////////////////////////////
  23
  24 /**
  25  * Holding a list of char* safely, so other places only need to store char*
  26  * than making a copy.
  27  */
  28 struct StringBag {
  29   explicit StringBag(int reserve_count = 0);
  30   ~StringBag();
  31
  32   const char *add(const char *s);
  33   unsigned int size() const { return m_strings.size();}
  34   const char *at(unsigned int index) const;
  35
  36 private:
  37   std::vector<char *> m_strings;
  38 };
  39
  40 ///////////////////////////////////////////////////////////////////////////////
  41 }
  42