1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>Passenger: StaticString.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css">
<link href="doxygen.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.5.8 -->
<div class="navigation" id="top">
<div class="tabs">
<ul>
<li><a href="main.html"><span>Main Page</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div class="tabs">
<ul>
<li><a href="files.html"><span>File List</span></a></li>
</ul>
</div>
<h1>StaticString.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Phusion Passenger - http://www.modrails.com/</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (c) 2010 Phusion</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * "Phusion Passenger" is a trademark of Hongli Lai & Ninh Bui.</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span>
<a name="l00008"></a>00008 <span class="comment"> * of this software and associated documentation files (the "Software"), to deal</span>
<a name="l00009"></a>00009 <span class="comment"> * in the Software without restriction, including without limitation the rights</span>
<a name="l00010"></a>00010 <span class="comment"> * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell</span>
<a name="l00011"></a>00011 <span class="comment"> * copies of the Software, and to permit persons to whom the Software is</span>
<a name="l00012"></a>00012 <span class="comment"> * furnished to do so, subject to the following conditions:</span>
<a name="l00013"></a>00013 <span class="comment"> *</span>
<a name="l00014"></a>00014 <span class="comment"> * The above copyright notice and this permission notice shall be included in</span>
<a name="l00015"></a>00015 <span class="comment"> * all copies or substantial portions of the Software.</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span>
<a name="l00018"></a>00018 <span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span>
<a name="l00019"></a>00019 <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span>
<a name="l00020"></a>00020 <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span>
<a name="l00021"></a>00021 <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span>
<a name="l00022"></a>00022 <span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN</span>
<a name="l00023"></a>00023 <span class="comment"> * THE SOFTWARE.</span>
<a name="l00024"></a>00024 <span class="comment"> */</span>
<a name="l00025"></a>00025 <span class="preprocessor">#ifndef _PASSENGER_STATIC_STRING_H_</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor">#define _PASSENGER_STATIC_STRING_H_</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <string></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <cstring></span>
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="keyword">namespace </span>Passenger {
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="keyword">using namespace </span>std;
<a name="l00034"></a>00034 <span class="comment"></span>
<a name="l00035"></a>00035 <span class="comment">/**</span>
<a name="l00036"></a>00036 <span class="comment"> * An immutable, static byte buffer. This class will never copy data:</span>
<a name="l00037"></a>00037 <span class="comment"> * it just holds a pointer to the data. So a StaticString will become unusable</span>
<a name="l00038"></a>00038 <span class="comment"> * once the data it refers to has been freed.</span>
<a name="l00039"></a>00039 <span class="comment"> *</span>
<a name="l00040"></a>00040 <span class="comment"> * StaticString will never modify the data.</span>
<a name="l00041"></a>00041 <span class="comment"> */</span>
<a name="l00042"></a><a class="code" href="classPassenger_1_1StaticString.html">00042</a> <span class="keyword">class </span><a class="code" href="classPassenger_1_1StaticString.html" title="An immutable, static byte buffer.">StaticString</a> {
<a name="l00043"></a>00043 <span class="keyword">private</span>:
<a name="l00044"></a>00044 <span class="keyword">const</span> <span class="keywordtype">char</span> *content;
<a name="l00045"></a>00045 string::size_type len;
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keyword">public</span>:<span class="comment"></span>
<a name="l00048"></a>00048 <span class="comment"> /** A hash function object for StaticString. */</span>
<a name="l00049"></a><a class="code" href="structPassenger_1_1StaticString_1_1Hash.html">00049</a> <span class="keyword">struct </span><a class="code" href="structPassenger_1_1StaticString_1_1Hash.html" title="A hash function object for StaticString.">Hash</a> {
<a name="l00050"></a>00050 <span class="keywordtype">size_t</span> operator()(<span class="keyword">const</span> <a class="code" href="classPassenger_1_1StaticString.html" title="An immutable, static byte buffer.">StaticString</a> &str)<span class="keyword"> const </span>{
<a name="l00051"></a>00051 <span class="keywordtype">size_t</span> result = 0;
<a name="l00052"></a>00052 <span class="keyword">const</span> <span class="keywordtype">char</span> *data = str.<a class="code" href="classPassenger_1_1StaticString.html#83496933ca9a11b39e377fe5ade4f770">content</a>;
<a name="l00053"></a>00053 <span class="keyword">const</span> <span class="keywordtype">char</span> *end = data + str.<a class="code" href="classPassenger_1_1StaticString.html#1f0620a523327fa0851800ffe5ad07c8">len</a>;
<a name="l00054"></a>00054 <span class="keywordflow">while</span> (data != end) {
<a name="l00055"></a>00055 result = result * 33 + *data;
<a name="l00056"></a>00056 data++;
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058 <span class="keywordflow">return</span> result;
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060 };
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <a class="code" href="classPassenger_1_1StaticString.html" title="An immutable, static byte buffer.">StaticString</a>() {
<a name="l00063"></a>00063 content = <span class="stringliteral">""</span>;
<a name="l00064"></a>00064 len = 0;
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <a class="code" href="classPassenger_1_1StaticString.html" title="An immutable, static byte buffer.">StaticString</a>(<span class="keyword">const</span> <a class="code" href="classPassenger_1_1StaticString.html" title="An immutable, static byte buffer.">StaticString</a> &b) {
<a name="l00068"></a>00068 content = b.<a class="code" href="classPassenger_1_1StaticString.html#83496933ca9a11b39e377fe5ade4f770">content</a>;
<a name="l00069"></a>00069 len = b.<a class="code" href="classPassenger_1_1StaticString.html#1f0620a523327fa0851800ffe5ad07c8">len</a>;
<a name="l00070"></a>00070 }
<a name="l00071"></a>00071
<a name="l00072"></a>00072 StaticString(<span class="keyword">const</span> <span class="keywordtype">string</span> &s) {
<a name="l00073"></a>00073 content = s.data();
<a name="l00074"></a>00074 len = s.size();
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076
<a name="l00077"></a>00077 StaticString(<span class="keyword">const</span> <span class="keywordtype">char</span> *data) {
<a name="l00078"></a>00078 content = data;
<a name="l00079"></a>00079 len = strlen(data);
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082 StaticString(<span class="keyword">const</span> <span class="keywordtype">char</span> *data, string::size_type len) {
<a name="l00083"></a>00083 content = data;
<a name="l00084"></a>00084 this->len = len;
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="keywordtype">bool</span> empty()<span class="keyword"> const </span>{
<a name="l00088"></a>00088 <span class="keywordflow">return</span> len == 0;
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090
<a name="l00091"></a>00091 string::size_type size()<span class="keyword"> const </span>{
<a name="l00092"></a>00092 <span class="keywordflow">return</span> len;
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <span class="keywordtype">char</span> operator[](string::size_type i)<span class="keyword"> const </span>{
<a name="l00096"></a>00096 <span class="keywordflow">return</span> content[i];
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="keywordtype">char</span> at(string::size_type i)<span class="keyword"> const </span>{
<a name="l00100"></a>00100 <span class="keywordflow">return</span> content[i];
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keyword">const</span> <span class="keywordtype">char</span> *c_str()<span class="keyword"> const </span>{
<a name="l00104"></a>00104 <span class="keywordflow">return</span> content;
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="keyword">const</span> <span class="keywordtype">char</span> *data()<span class="keyword"> const </span>{
<a name="l00108"></a>00108 <span class="keywordflow">return</span> content;
<a name="l00109"></a>00109 }
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keywordtype">string</span> toString()<span class="keyword"> const </span>{
<a name="l00112"></a>00112 <span class="keywordflow">return</span> string(content, len);
<a name="l00113"></a>00113 }
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="keywordtype">bool</span> equals(<span class="keyword">const</span> StaticString &other)<span class="keyword"> const </span>{
<a name="l00116"></a>00116 <span class="keywordflow">return</span> len == other.len && memcmp(content, other.content, len) == 0;
<a name="l00117"></a>00117 }
<a name="l00118"></a>00118
<a name="l00119"></a>00119 <span class="keywordtype">bool</span> equals(<span class="keyword">const</span> <span class="keywordtype">string</span> &other)<span class="keyword"> const </span>{
<a name="l00120"></a>00120 <span class="keywordflow">return</span> len == other.size() && memcmp(content, other.data(), len) == 0;
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> StaticString &other)<span class="keyword"> const </span>{
<a name="l00124"></a>00124 <span class="keywordflow">return</span> len == other.len && memcmp(content, other.content, len) == 0;
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> <span class="keywordtype">char</span> *other)<span class="keyword"> const </span>{
<a name="l00128"></a>00128 <span class="keywordflow">return</span> memcmp(content, other, strlen(other)) == 0;
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> StaticString &other)<span class="keyword"> const </span>{
<a name="l00132"></a>00132 <span class="keywordflow">return</span> len == other.len && memcmp(content, other.content, len) != 0;
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> <span class="keywordtype">char</span> *other)<span class="keyword"> const </span>{
<a name="l00136"></a>00136 <span class="keywordflow">return</span> memcmp(content, other, strlen(other)) != 0;
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138
<a name="l00139"></a>00139 <span class="keywordtype">bool</span> operator<(<span class="keyword">const</span> StaticString &other)<span class="keyword"> const </span>{
<a name="l00140"></a>00140 <span class="keywordtype">size_t</span> size = (len < other.size()) ? len : other.size();
<a name="l00141"></a>00141 <span class="keywordtype">int</span> result = memcmp(content, other.data(), size);
<a name="l00142"></a>00142 <span class="keywordflow">if</span> (result == 0) {
<a name="l00143"></a>00143 <span class="keywordflow">return</span> len < other.size();
<a name="l00144"></a>00144 } <span class="keywordflow">else</span> {
<a name="l00145"></a>00145 <span class="keywordflow">return</span> result < 0;
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="keywordtype">bool</span> operator<(<span class="keyword">const</span> <span class="keywordtype">char</span> *other)<span class="keyword"> const </span>{
<a name="l00150"></a>00150 <span class="keywordflow">return</span> *<span class="keyword">this</span> < StaticString(other);
<a name="l00151"></a>00151 }
<a name="l00152"></a>00152
<a name="l00153"></a>00153 <span class="keywordtype">string</span> operator+(<span class="keyword">const</span> <span class="keywordtype">char</span> *other)<span class="keyword"> const </span>{
<a name="l00154"></a>00154 <span class="keywordflow">return</span> string(content, len) + other;
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="keywordtype">string</span> operator+(<span class="keyword">const</span> <span class="keywordtype">string</span> &other)<span class="keyword"> const </span>{
<a name="l00158"></a>00158 <span class="keywordflow">return</span> string(content, len) + other;
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160
<a name="l00161"></a>00161 <span class="keywordtype">string</span> operator+(<span class="keyword">const</span> StaticString &other)<span class="keyword"> const </span>{
<a name="l00162"></a>00162 <span class="keywordtype">string</span> result(content, len);
<a name="l00163"></a>00163 result.append(other.data(), other.size());
<a name="l00164"></a>00164 <span class="keywordflow">return</span> result;
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166
<a name="l00167"></a>00167 operator string()<span class="keyword"> const </span>{
<a name="l00168"></a>00168 <span class="keywordflow">return</span> string(content, len);
<a name="l00169"></a>00169 }
<a name="l00170"></a>00170 };
<a name="l00171"></a>00171
<a name="l00172"></a>00172 <span class="keyword">inline</span> <span class="keywordtype">string</span>
<a name="l00173"></a>00173 operator+(<span class="keyword">const</span> <span class="keywordtype">char</span> *lhs, <span class="keyword">const</span> StaticString &rhs) {
<a name="l00174"></a>00174 <span class="keywordflow">return</span> StaticString(lhs) + rhs;
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <span class="keyword">inline</span> <span class="keywordtype">string</span>
<a name="l00178"></a>00178 operator+(<span class="keyword">const</span> <span class="keywordtype">string</span> &lhs, <span class="keyword">const</span> StaticString &rhs) {
<a name="l00179"></a>00179 <span class="keywordtype">string</span> result = lhs;
<a name="l00180"></a>00180 result.append(rhs.data(), rhs.size());
<a name="l00181"></a>00181 <span class="keywordflow">return</span> result;
<a name="l00182"></a>00182 }
<a name="l00183"></a>00183
<a name="l00184"></a>00184 } <span class="comment">// namespace Passenger</span>
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="preprocessor">#endif </span><span class="comment">/* _PASSENGER_STATIC_STRING_H_ */</span>
</pre></div></div>
<hr size="1"><address style="text-align: right;"><small>Generated on Sun Feb 21 12:22:46 2010 for Passenger by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.8 </small></address>
</body>
</html>
|
