NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.3: NDN, CCN, CCNx, content centric networks
API Documentation
utilities.hpp
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1 /*
2  * Copyright (c) 2014, Peter Thorson. All rights reserved.
3  *
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27 
28 #ifndef WEBSOCKETPP_UTILITIES_HPP
29 #define WEBSOCKETPP_UTILITIES_HPP
30 
32 
33 #include <algorithm>
34 #include <string>
35 #include <locale>
36 
37 namespace websocketpp {
39 namespace utility {
40 
42 
48 template<typename charT>
49 struct 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  }
66 private:
67  std::locale const & m_loc;
68 };
69 
71 
75 struct ci_less : std::binary_function<std::string, std::string, bool> {
76  // case-independent (ci) compare_less binary function
78  : public std::binary_function<unsigned char,unsigned char,bool>
79  {
80  bool operator() (unsigned char const & c1, unsigned char const & c2) const {
81  return tolower (c1) < tolower (c2);
82  }
83  };
84  bool operator() (std::string const & s1, std::string const & s2) const {
85  return std::lexicographical_compare
86  (s1.begin (), s1.end (), // source range
87  s2.begin (), s2.end (), // dest range
88  nocase_compare ()); // comparison
89  }
90 };
91 
93 
102 template<typename T>
103 typename T::const_iterator ci_find_substr(T const & haystack, T const & needle,
104  std::locale const & loc = std::locale())
105 {
106  return std::search( haystack.begin(), haystack.end(),
107  needle.begin(), needle.end(), my_equal<typename T::value_type>(loc) );
108 }
109 
111 
124 template<typename T>
125 typename T::const_iterator ci_find_substr(T const & haystack,
126  typename T::value_type const * needle, typename T::size_type size,
127  std::locale const & loc = std::locale())
128 {
129  return std::search( haystack.begin(), haystack.end(),
130  needle, needle+size, my_equal<typename T::value_type>(loc) );
131 }
132 
134 
138 std::string to_lower(std::string const & in);
139 
141 
148 std::string string_replace_all(std::string subject, std::string const & search,
149  std::string const & replace);
150 
152 
157 std::string to_hex(std::string const & input);
158 
160 
166 std::string to_hex(uint8_t const * input, size_t length);
167 
169 
175 std::string to_hex(char const * input, size_t length);
176 
177 } // namespace utility
178 } // namespace websocketpp
179 
181 
182 #endif // WEBSOCKETPP_UTILITIES_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.
bool operator()(charT ch1, charT ch2)
Perform a case insensitive comparison.
Definition: utilities.hpp:63
static const uint32_t c2
Definition: city-hash.cpp:120
Namespace for the WebSocket++ project.
Definition: base64.hpp:41
std::string to_lower(std::string const &in)
Convert a string to lowercase.
static const uint32_t c1
Definition: city-hash.cpp:119
my_equal(std::locale const &loc)
Construct the functor with the given locale.
Definition: utilities.hpp:54
Helper functor for case insensitive find.
Definition: utilities.hpp:49
Helper less than functor for case insensitive find.
Definition: utilities.hpp:75
T::const_iterator ci_find_substr(T const &haystack, T const &needle, std::locale const &loc=std::locale())
Find substring (case insensitive)
Definition: utilities.hpp:103