Pooling.hpp

   1 /* Cycript - Inlining/Optimizing JavaScript Compiler
   2  * Copyright (C) 2009  Jay Freeman (saurik)
   3 */
   4
   5 /* Modified BSD License {{{ */
   6 /*
   7  *        Redistribution and use in source and binary
   8  * forms, with or without modification, are permitted
   9  * provided that the following conditions are met:
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  11  * 1. Redistributions of source code must retain the
  12  *    above copyright notice, this list of conditions
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  15  *    above copyright notice, this list of conditions
  16  *    and the following disclaimer in the documentation
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  18  *    distribution.
  19  * 3. The name of the author may not be used to endorse
  20  *    or promote products derived from this software
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  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
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  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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  37 */
  38 /* }}} */
  39
  40 #ifndef CYPOOLING_HPP
  41 #define CYPOOLING_HPP
  42
  43 #include <apr_pools.h>
  44 #include <apr_strings.h>
  45
  46 #include "Exception.hpp"
  47 #include "Standard.hpp"
  48
  49 _finline void *operator new(size_t size, apr_pool_t *pool) {
  50     return apr_palloc(pool, size);
  51 }
  52
  53 _finline void *operator new [](size_t size, apr_pool_t *pool) {
  54     return apr_palloc(pool, size);
  55 }
  56
  57 class CYPool {
  58   private:
  59     apr_pool_t *pool_;
  60
  61   public:
  62     CYPool() {
  63         _aprcall(apr_pool_create(&pool_, NULL));
  64     }
  65
  66     ~CYPool() {
  67         apr_pool_destroy(pool_);
  68     }
  69
  70     void Clear() {
  71         apr_pool_clear(pool_);
  72     }
  73
  74     operator apr_pool_t *() const {
  75         return pool_;
  76     }
  77
  78     char *operator ()(const char *data) const {
  79         return apr_pstrdup(pool_, data);
  80     }
  81
  82     char *operator ()(const char *data, size_t size) const {
  83         return apr_pstrndup(pool_, data, size);
  84     }
  85 };
  86
  87 struct CYData {
  88     apr_pool_t *pool_;
  89
  90     virtual ~CYData() {
  91     }
  92
  93     static void *operator new(size_t size, apr_pool_t *pool) {
  94         void *data(apr_palloc(pool, size));
  95         reinterpret_cast<CYData *>(data)->pool_ = pool;
  96         return data;
  97     }
  98
  99     static void *operator new(size_t size) {
 100         apr_pool_t *pool;
 101         _aprcall(apr_pool_create(&pool, NULL));
 102         return operator new(size, pool);
 103     }
 104
 105     static void operator delete(void *data) {
 106         apr_pool_destroy(reinterpret_cast<CYData *>(data)->pool_);
 107     }
 108
 109 };
 110
 111 #endif/*CYPOOLING_HPP*/