String.hpp

   1 /* Cycript - Optimizing JavaScript Compiler/Runtime
   2  * Copyright (C) 2009-2015  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU Affero General Public License, Version 3 {{{ */
   6 /*
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 #ifndef CYCRIPT_STRING_HPP
  23 #define CYCRIPT_STRING_HPP
  24
  25 #include <iostream>
  26
  27 #include "Pooling.hpp"
  28
  29 struct CYUTF8String {
  30     const char *data;
  31     size_t size;
  32
  33     CYUTF8String() :
  34         data(NULL),
  35         size(0)
  36     {
  37     }
  38
  39     CYUTF8String(const char *data) :
  40         data(data),
  41         size(strlen(data))
  42     {
  43     }
  44
  45     CYUTF8String(const char *data, size_t size) :
  46         data(data),
  47         size(size)
  48     {
  49     }
  50
  51     bool operator ==(const char *value) const {
  52         size_t length(strlen(data));
  53         return length == size && memcmp(value, data, length) == 0;
  54     }
  55 };
  56
  57 static inline std::ostream &operator <<(std::ostream &lhs, const CYUTF8String &rhs) {
  58     lhs.write(rhs.data, rhs.size);
  59     return lhs;
  60 }
  61
  62 struct CYUTF16String {
  63     const uint16_t *data;
  64     size_t size;
  65
  66     CYUTF16String(const uint16_t *data, size_t size) :
  67         data(data),
  68         size(size)
  69     {
  70     }
  71 };
  72
  73 size_t CYGetIndex(const CYUTF8String &value);
  74 bool CYIsKey(CYUTF8String value);
  75 bool CYGetOffset(const char *value, ssize_t &index);
  76
  77 bool CYStartsWith(const CYUTF8String &haystack, const CYUTF8String &needle);
  78
  79 CYUTF8String CYPoolUTF8String(CYPool &pool, CYUTF16String utf16);
  80 CYUTF16String CYPoolUTF16String(CYPool &pool, CYUTF8String utf8);
  81
  82 #endif/*CYCRIPT_STRING_HPP*/