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
31namespace JSC {
32
33class StringBuilder {
34public:
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
75private:
76 Vector<UChar, 64> buffer;
77};
78
79}
80
81#endif
82

source code of qtscript/src/3rdparty/javascriptcore/JavaScriptCore/runtime/StringBuilder.h