1 /*
2 * Copyright (C) 2004, 2008, 2010 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 COMPUTER, 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 COMPUTER, 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 #include "config.h"
27 #include "TextStream.h"
28
29 #include "PlatformString.h"
30 #include <wtf/StringExtras.h>
31
32 using namespace std;
33
34 namespace WebCore {
35
36 static const size_t printBufferSize = 100; // large enough for any integer or floating point value in string format, including trailing null character
37
operator <<(bool b)38 TextStream& TextStream::operator<<(bool b)
39 {
40 return *this << (b ? "1" : "0");
41 }
42
operator <<(int i)43 TextStream& TextStream::operator<<(int i)
44 {
45 char buffer[printBufferSize];
46 snprintf(buffer, sizeof(buffer) - 1, "%d", i);
47 return *this << buffer;
48 }
49
operator <<(unsigned i)50 TextStream& TextStream::operator<<(unsigned i)
51 {
52 char buffer[printBufferSize];
53 snprintf(buffer, sizeof(buffer) - 1, "%u", i);
54 return *this << buffer;
55 }
56
operator <<(long i)57 TextStream& TextStream::operator<<(long i)
58 {
59 char buffer[printBufferSize];
60 snprintf(buffer, sizeof(buffer) - 1, "%ld", i);
61 return *this << buffer;
62 }
63
operator <<(unsigned long i)64 TextStream& TextStream::operator<<(unsigned long i)
65 {
66 char buffer[printBufferSize];
67 snprintf(buffer, sizeof(buffer) - 1, "%lu", i);
68 return *this << buffer;
69 }
70
operator <<(float f)71 TextStream& TextStream::operator<<(float f)
72 {
73 char buffer[printBufferSize];
74 snprintf(buffer, sizeof(buffer) - 1, "%.2f", f);
75 return *this << buffer;
76 }
77
operator <<(double d)78 TextStream& TextStream::operator<<(double d)
79 {
80 char buffer[printBufferSize];
81 snprintf(buffer, sizeof(buffer) - 1, "%.2f", d);
82 return *this << buffer;
83 }
84
operator <<(const char * string)85 TextStream& TextStream::operator<<(const char* string)
86 {
87 size_t stringLength = strlen(string);
88 size_t textLength = m_text.size();
89 if (stringLength > numeric_limits<size_t>::max() - textLength)
90 CRASH();
91 m_text.grow(textLength + stringLength);
92 for (size_t i = 0; i < stringLength; ++i)
93 m_text[textLength + i] = string[i];
94 return *this;
95 }
96
operator <<(const void * p)97 TextStream& TextStream::operator<<(const void* p)
98 {
99 char buffer[printBufferSize];
100 snprintf(buffer, sizeof(buffer) - 1, "%p", p);
101 return *this << buffer;
102 }
103
operator <<(const String & string)104 TextStream& TextStream::operator<<(const String& string)
105 {
106 append(m_text, string);
107 return *this;
108 }
109
release()110 String TextStream::release()
111 {
112 return String::adopt(m_text);
113 }
114
115 #if OS(WINDOWS) && CPU(X86_64)
operator <<(__int64 i)116 TextStream& TextStream::operator<<(__int64 i)
117 {
118 char buffer[printBufferSize];
119 snprintf(buffer, sizeof(buffer) - 1, "%I64i", i);
120 return *this << buffer;
121 }
operator <<(unsigned __int64 i)122 TextStream& TextStream::operator<<(unsigned __int64 i)
123 {
124 char buffer[printBufferSize];
125 snprintf(buffer, sizeof(buffer) - 1, "%I64u", i);
126 return *this << buffer;
127 }
128 #endif
129
130 }
131