WebSocket++ 0.8.2
C++ websocket client/server library
Loading...
Searching...
No Matches
utilities.hpp
1/*
2 * Copyright (c) 2014, Peter Thorson. 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 are met:
6 * * Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 * * Redistributions in binary form must reproduce the above copyright
9 * notice, this list of conditions and the following disclaimer in the
10 * documentation and/or other materials provided with the distribution.
11 * * Neither the name of the WebSocket++ Project nor the
12 * names of its contributors may be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
19 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 */
27
28#ifndef WEBSOCKETPP_UTILITIES_HPP
29#define WEBSOCKETPP_UTILITIES_HPP
30
31#include <websocketpp/common/stdint.hpp>
32
33#include <algorithm>
34#include <string>
35#include <locale>
36
37namespace websocketpp {
39namespace utility {
40
42
48template<typename charT>
49struct my_equal {
51
54 my_equal(std::locale const & loc ) : m_loc(loc) {}
55
57
63 bool operator()(charT ch1, charT ch2) {
64 return std::toupper(ch1, m_loc) == std::toupper(ch2, m_loc);
65 }
66private:
67 std::locale const & m_loc;
68};
69
71
75struct ci_less {
76 // case-independent (ci) compare_less binary function
78 bool operator() (unsigned char const & c1, unsigned char const & c2) const {
79 return tolower (c1) < tolower (c2);
80 }
81 };
82 bool operator() (std::string const & s1, std::string const & s2) const {
83 return std::lexicographical_compare
84 (s1.begin (), s1.end (), // source range
85 s2.begin (), s2.end (), // dest range
86 nocase_compare ()); // comparison
87 }
88};
89
91
100template<typename T>
101typename T::const_iterator ci_find_substr(T const & haystack, T const & needle,
102 std::locale const & loc = std::locale())
103{
104 return std::search( haystack.begin(), haystack.end(),
105 needle.begin(), needle.end(), my_equal<typename T::value_type>(loc) );
106}
107
109
122template<typename T>
123typename T::const_iterator ci_find_substr(T const & haystack,
124 typename T::value_type const * needle, typename T::size_type size,
125 std::locale const & loc = std::locale())
126{
127 return std::search( haystack.begin(), haystack.end(),
128 needle, needle+size, my_equal<typename T::value_type>(loc) );
129}
130
132
136std::string to_lower(std::string const & in);
137
139
146std::string string_replace_all(std::string subject, std::string const & search,
147 std::string const & replace);
148
150
155std::string to_hex(std::string const & input);
156
158
164std::string to_hex(uint8_t const * input, size_t length);
165
167
173std::string to_hex(char const * input, size_t length);
174
175} // namespace utility
176} // namespace websocketpp
177
178#include <websocketpp/impl/utilities_impl.hpp>
179
180#endif // WEBSOCKETPP_UTILITIES_HPP
std::string to_hex(std::string const &input)
Convert std::string to ascii printed string of hex digits.
T::const_iterator ci_find_substr(T const &haystack, T const &needle, std::locale const &loc=std::locale())
Find substring (case insensitive)
std::string string_replace_all(std::string subject, std::string const &search, std::string const &replace)
Replace all occurrances of a substring with another.
std::string to_lower(std::string const &in)
Convert a string to lowercase.
Namespace for the WebSocket++ project.
Definition base64.hpp:41
Helper less than functor for case insensitive find.
Definition utilities.hpp:75
Helper functor for case insensitive find.
Definition utilities.hpp:49
bool operator()(charT ch1, charT ch2)
Perform a case insensitive comparison.
Definition utilities.hpp:63
my_equal(std::locale const &loc)
Construct the functor with the given locale.
Definition utilities.hpp:54