hphp/util/string-bag.cpp

   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 #include "hphp/util/string-bag.h"
  17
  18 #include <cstdlib>
  19 #include <cstring>
  20 #include <cassert>
  21
  22 namespace HPHP {
  23 ///////////////////////////////////////////////////////////////////////////////
  24
  25 StringBag::StringBag(int reserve_count /* = 0 */) {
  26   if (reserve_count > 0) {
  27     m_strings.reserve(reserve_count);
  28   }
  29 }
  30
  31 StringBag::~StringBag() {
  32   for (unsigned int i = 0; i < m_strings.size(); i++) free(m_strings[i]);
  33 }
  34
  35 const char *StringBag::add(const char *s) {
  36   char *allocated = strdup(s);
  37   m_strings.push_back(allocated);
  38   return allocated;
  39 }
  40
  41 const char *StringBag::at(unsigned int index) const {
  42   assert(index < m_strings.size());
  43   return m_strings[index];
  44 }
  45
  46 ///////////////////////////////////////////////////////////////////////////////
  47 }