WebSocket++  0.8.0-dev
C++ websocket client/server library
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utilities_impl.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
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25  *
26  */
27 
28 #ifndef WEBSOCKETPP_UTILITIES_IMPL_HPP
29 #define WEBSOCKETPP_UTILITIES_IMPL_HPP
30 
31 #include <algorithm>
32 #include <string>
33 
34 namespace websocketpp {
35 namespace utility {
36 
37 inline std::string to_lower(std::string const & in) {
38  std::string out = in;
39  std::transform(out.begin(),out.end(),out.begin(),::tolower);
40  return out;
41 }
42 
43 inline std::string to_hex(std::string const & input) {
44  std::string output;
45  std::string hex = "0123456789ABCDEF";
46 
47  for (size_t i = 0; i < input.size(); i++) {
48  output += hex[(input[i] & 0xF0) >> 4];
49  output += hex[input[i] & 0x0F];
50  output += " ";
51  }
52 
53  return output;
54 }
55 
56 inline std::string to_hex(uint8_t const * input, size_t length) {
57  std::string output;
58  std::string hex = "0123456789ABCDEF";
59 
60  for (size_t i = 0; i < length; i++) {
61  output += hex[(input[i] & 0xF0) >> 4];
62  output += hex[input[i] & 0x0F];
63  output += " ";
64  }
65 
66  return output;
67 }
68 
69 inline std::string to_hex(const char* input,size_t length) {
70  return to_hex(reinterpret_cast<const uint8_t*>(input),length);
71 }
72 
73 inline std::string string_replace_all(std::string subject, std::string const &
74  search, std::string const & replace)
75 {
76  size_t pos = 0;
77  while((pos = subject.find(search, pos)) != std::string::npos) {
78  subject.replace(pos, search.length(), replace);
79  pos += replace.length();
80  }
81  return subject;
82 }
83 
84 } // namespace utility
85 } // namespace websocketpp
86 
87 #endif // WEBSOCKETPP_UTILITIES_IMPL_HPP
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_hex(std::string const &input)
Convert std::string to ascii printed string of hex digits.
std::string to_hex(uint8_t const *input, size_t length)
Convert byte array (uint8_t) to ascii printed string of hex digits.
void handle_accept(connection_ptr con, lib::error_code const &ec)
Handler callback for start_accept.
std::string to_hex(const char *input, size_t length)
Convert char array to ascii printed string of hex digits.
std::string to_lower(std::string const &in)
Convert a string to lowercase.
Generic non-websocket specific utility functions and data structures.