| 1 | /* | 
| 2 |  * Copyright (C) 2009 Apple Inc. All rights reserved. | 
| 3 |  * | 
| 4 |  * Redistribution and use in source and binary forms, with or without | 
| 5 |  * modification, are permitted provided that the following conditions | 
| 6 |  * are met: | 
| 7 |  * 1. Redistributions of source code must retain the above copyright | 
| 8 |  *    notice, this list of conditions and the following disclaimer. | 
| 9 |  * 2. Redistributions in binary form must reproduce the above copyright | 
| 10 |  *    notice, this list of conditions and the following disclaimer in the | 
| 11 |  *    documentation and/or other materials provided with the distribution. | 
| 12 |  * | 
| 13 |  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | 
| 14 |  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
| 15 |  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 
| 16 |  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR | 
| 17 |  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 
| 18 |  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 
| 19 |  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 
| 20 |  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 
| 21 |  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
| 22 |  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
| 23 |  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  | 
| 24 |  */ | 
| 25 |  | 
| 26 | #ifndef StringBuilder_h | 
| 27 | #define StringBuilder_h | 
| 28 |  | 
| 29 | #include <wtf/Vector.h> | 
| 30 |  | 
| 31 | namespace JSC { | 
| 32 |  | 
| 33 | class StringBuilder { | 
| 34 | public: | 
| 35 |     void append(const UChar u) | 
| 36 |     { | 
| 37 |         buffer.append(val: u); | 
| 38 |     } | 
| 39 |  | 
| 40 |     void append(const char* str) | 
| 41 |     { | 
| 42 |         buffer.append(data: str, dataSize: strlen(s: str)); | 
| 43 |     } | 
| 44 |  | 
| 45 |     void append(const char* str, size_t len) | 
| 46 |     { | 
| 47 |         buffer.reserveCapacity(newCapacity: buffer.size() + len); | 
| 48 |         for (size_t i = 0; i < len; i++) | 
| 49 |             buffer.append(val: static_cast<unsigned char>(str[i])); | 
| 50 |     } | 
| 51 |  | 
| 52 |     void append(const UChar* str, size_t len) | 
| 53 |     { | 
| 54 |         buffer.append(data: str, dataSize: len); | 
| 55 |     } | 
| 56 |  | 
| 57 |     void append(const UString& str) | 
| 58 |     { | 
| 59 |         buffer.append(data: str.data(), dataSize: str.size()); | 
| 60 |     } | 
| 61 |  | 
| 62 |     bool isEmpty() { return buffer.isEmpty(); } | 
| 63 |     void reserveCapacity(size_t newCapacity) { buffer.reserveCapacity(newCapacity); } | 
| 64 |     void resize(size_t size) { buffer.resize(size); } | 
| 65 |     size_t size() const { return buffer.size(); } | 
| 66 |  | 
| 67 |     UChar operator[](size_t i) const { return buffer.at(i); } | 
| 68 |  | 
| 69 |     UString release() | 
| 70 |     { | 
| 71 |         buffer.shrinkToFit(); | 
| 72 |         return UString::adopt(vector&: buffer); | 
| 73 |     } | 
| 74 |  | 
| 75 | private: | 
| 76 |     Vector<UChar, 64> buffer; | 
| 77 | }; | 
| 78 |  | 
| 79 | } | 
| 80 |  | 
| 81 | #endif | 
| 82 |  |