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 | |