libwreport 3.38
string.h
1#ifndef WREPORT_STRING_H
2#define WREPORT_STRING_H
3
11#include <string>
12#include <functional>
13#include <sstream>
14#include <cctype>
15
16namespace wreport {
17namespace str {
18
20inline bool startswith(const std::string& str, const std::string& part)
21{
22 if (str.size() < part.size())
23 return false;
24 return str.substr(0, part.size()) == part;
25}
26
28inline bool endswith(const std::string& str, const std::string& part)
29{
30 if (str.size() < part.size())
31 return false;
32 return str.substr(str.size() - part.size()) == part;
33}
34
38template<typename ITER>
39std::string join(const std::string& sep, const ITER& begin, const ITER& end)
40{
41 std::stringstream res;
42 bool first = true;
43 for (ITER i = begin; i != end; ++i)
44 {
45 if (first)
46 first = false;
47 else
48 res << sep;
49 res << *i;
50 }
51 return res.str();
52}
53
57template<typename ITEMS>
58std::string join(const std::string& sep, const ITEMS& items)
59{
60 std::stringstream res;
61 bool first = true;
62 for (const auto& i: items)
63 {
64 if (first)
65 first = false;
66 else
67 res << sep;
68 res << i;
69 }
70 return res.str();
71}
72
76std::string lstrip(const std::string& str);
77
81std::string rstrip(const std::string& str);
82
86std::string strip(const std::string& str);
87
89inline std::string upper(const std::string& str)
90{
91 std::string res;
92 res.reserve(str.size());
93 for (std::string::const_iterator i = str.begin(); i != str.end(); ++i)
94 res += static_cast<char>(std::toupper(static_cast<unsigned char>(*i)));
95 return res;
96}
97
99inline std::string lower(const std::string& str)
100{
101 std::string res;
102 res.reserve(str.size());
103 for (std::string::const_iterator i = str.begin(); i != str.end(); ++i)
104 res += static_cast<char>(std::tolower(static_cast<unsigned char>(*i)));
105 return res;
106}
107
109[[deprecated("Use path.filename")]] std::string basename(const std::string& pathname);
110
112[[deprecated("Use path.parent_path")]] std::string dirname(const std::string& pathname);
113
115[[deprecated("Use path / path")]] void appendpath(std::string& dest, const char* path2);
116
118[[deprecated("Use path / path")]] void appendpath(std::string& dest, const std::string& path2);
119
121template<typename S1, typename S2, typename... Args>
122[[deprecated("Use path / path")]] void appendpath(std::string& dest, S1 first, S2 second, Args... next)
123{
124#pragma GCC diagnostic push
125#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
126 appendpath(dest, first);
127 appendpath(dest, second, next...);
128#pragma GCC diagnostic pop
129}
130
132template<typename... Args>
133[[deprecated("Use path / path")]] std::string joinpath(Args... components)
134{
135#pragma GCC diagnostic push
136#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
137 std::string res;
138 appendpath(res, components...);
139 return res;
140#pragma GCC diagnostic pop
141}
142
148[[deprecated("use path::lexically_normal or std::filesystem::canonical")]] std::string normpath(const std::string& pathname);
149
162struct Split
163{
165 std::string str;
167 std::string sep;
173
174 Split(const std::string& str_, const std::string& sep_, bool skip_empty_=false)
175 : str(str_), sep(sep_), skip_empty(skip_empty_) {}
176
178 {
179 protected:
180 const Split* split = nullptr;
182 std::string cur;
184 size_t end = 0;
185
188
189 public:
190 using iterator_category = std::input_iterator_tag;
191 using value_type = std::string;
192 using difference_type = int;
193 using pointer = std::string*;
194 using reference = std::string&;
195
197 const_iterator(const Split& split);
200 const_iterator(const const_iterator&) = default;
202
203 const_iterator& operator++();
204 const std::string& operator*() const;
205 const std::string* operator->() const;
206
207 std::string remainder() const;
208
209 const_iterator& operator=(const const_iterator&) = default;
210 bool operator==(const const_iterator& ti) const;
211 bool operator!=(const const_iterator& ti) const;
212 };
213
216
219};
220
224std::string encode_cstring(const std::string& str);
225
233std::string decode_cstring(const std::string& str, size_t& lenParsed);
234
236std::string encode_url(const std::string& str);
237
239std::string decode_url(const std::string& str);
240
242std::string encode_base64(const std::string& str);
243
245std::string encode_base64(const void* data, size_t size);
246
248std::string decode_base64(const std::string& str);
249
250}
251}
252#endif
size_t end
Position of the first character of the next token.
Definition string.h:184
const_iterator()
End iterator.
Definition string.h:199
std::string cur
Current token.
Definition string.h:182
const_iterator(const Split &split)
Begin iterator.
void skip_separators()
Move end past all the consecutive separators that start at its position.
String functions.
Definition benchmark.h:13
Split a string where a given substring is found.
Definition string.h:163
bool skip_empty
If true, skip empty tokens, effectively grouping consecutive separators as if they were a single one.
Definition string.h:172
const_iterator end()
Return the end iterator to string split.
Definition string.h:218
const_iterator begin()
Return the begin iterator to split a string on instances of sep.
Definition string.h:215
std::string sep
Separator.
Definition string.h:167
std::string str
String to split.
Definition string.h:165