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
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
|
// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of the Andrey N. Sabelnikov nor the
// names of its contributors may be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
#ifndef _STRING_TOOLS_H_
#define _STRING_TOOLS_H_
// Previously pulled in by ASIO, further cleanup still required ...
#ifdef _WIN32
# include <winsock2.h>
# include <windows.h>
#endif
#include <string.h>
#include <locale>
#include <cstdlib>
#include <string>
#include <type_traits>
#include <boost/lexical_cast.hpp>
#include <boost/algorithm/string/predicate.hpp>
#include "misc_log_ex.h"
#include "storages/parserse_base_utils.h"
#include "hex.h"
#include "memwipe.h"
#include "mlocker.h"
#include "span.h"
#include "warnings.h"
#ifndef OUT
#define OUT
#endif
#ifdef WINDOWS_PLATFORM
#pragma comment (lib, "Rpcrt4.lib")
#endif
static const constexpr unsigned char isx[256] =
{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 10, 11, 12, 13, 14, 15, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 10, 11, 12, 13, 14, 15, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
};
namespace epee
{
namespace string_tools
{
//----------------------------------------------------------------------------
inline std::string buff_to_hex_nodelimer(const std::string& src)
{
return to_hex::string(to_byte_span(to_span(src)));
}
//----------------------------------------------------------------------------
inline bool parse_hexstr_to_binbuff(const epee::span<const char> s, epee::span<char>& res)
{
if (s.size() != res.size() * 2)
return false;
unsigned char *dst = (unsigned char *)&res[0];
const unsigned char *src = (const unsigned char *)s.data();
for(size_t i = 0; i < s.size(); i += 2)
{
int tmp = *src++;
tmp = isx[tmp];
if (tmp == 0xff) return false;
int t2 = *src++;
t2 = isx[t2];
if (t2 == 0xff) return false;
*dst++ = (tmp << 4) | t2;
}
return true;
}
//----------------------------------------------------------------------------
inline bool parse_hexstr_to_binbuff(const std::string& s, std::string& res)
{
if (s.size() & 1)
return false;
res.resize(s.size() / 2);
epee::span<char> rspan((char*)&res[0], res.size());
return parse_hexstr_to_binbuff(epee::to_span(s), rspan);
}
//----------------------------------------------------------------------------
PUSH_WARNINGS
DISABLE_GCC_WARNING(maybe-uninitialized)
template<class XType>
inline bool get_xtype_from_string(OUT XType& val, const std::string& str_id)
{
if (std::is_integral<XType>::value && !std::numeric_limits<XType>::is_signed && !std::is_same<XType, bool>::value)
{
for (char c : str_id)
{
if (!epee::misc_utils::parse::isdigit(c))
return false;
}
}
try
{
val = boost::lexical_cast<XType>(str_id);
return true;
}
catch(const std::exception& /*e*/)
{
//const char* pmsg = e.what();
return false;
}
catch(...)
{
return false;
}
return true;
}
POP_WARNINGS
//----------------------------------------------------------------------------
template<class XType>
inline bool xtype_to_string(const XType& val, std::string& str)
{
try
{
str = boost::lexical_cast<std::string>(val);
}
catch(...)
{
return false;
}
return true;
}
//----------------------------------------------------------------------------
std::string get_ip_string_from_int32(uint32_t ip);
//----------------------------------------------------------------------------
bool get_ip_int32_from_string(uint32_t& ip, const std::string& ip_str);
//----------------------------------------------------------------------------
inline bool parse_peer_from_string(uint32_t& ip, uint16_t& port, const std::string& addres)
{
//parse ip and address
std::string::size_type p = addres.find(':');
std::string ip_str, port_str;
if(p == std::string::npos)
{
port = 0;
ip_str = addres;
}
else
{
ip_str = addres.substr(0, p);
port_str = addres.substr(p+1, addres.size());
}
if(!get_ip_int32_from_string(ip, ip_str))
{
return false;
}
if(p != std::string::npos && !get_xtype_from_string(port, port_str))
{
return false;
}
return true;
}
inline std::string num_to_string_fast(int64_t val)
{
/*
char buff[30] = {0};
i64toa_s(val, buff, sizeof(buff)-1, 10);
return buff;*/
return boost::lexical_cast<std::string>(val);
}
//----------------------------------------------------------------------------
inline std::string to_string_hex(uint32_t val)
{
std::stringstream ss;
ss << std::hex << val;
std::string s;
ss >> s;
return s;
}
//----------------------------------------------------------------------------
inline bool compare_no_case(const std::string& str1, const std::string& str2)
{
return !boost::iequals(str1, str2);
}
//----------------------------------------------------------------------------
inline std::string& get_current_module_name()
{
static std::string module_name;
return module_name;
}
//----------------------------------------------------------------------------
inline std::string& get_current_module_folder()
{
static std::string module_folder;
return module_folder;
}
//----------------------------------------------------------------------------
#ifdef _WIN32
inline std::string get_current_module_path()
{
char pname [5000] = {0};
GetModuleFileNameA( NULL, pname, sizeof(pname));
pname[sizeof(pname)-1] = 0; //be happy ;)
return pname;
}
#endif
//----------------------------------------------------------------------------
inline bool set_module_name_and_folder(const std::string& path_to_process_)
{
std::string path_to_process = path_to_process_;
#ifdef _WIN32
path_to_process = get_current_module_path();
#endif
std::string::size_type a = path_to_process.rfind( '\\' );
if(a == std::string::npos )
{
a = path_to_process.rfind( '/' );
}
if ( a != std::string::npos )
{
get_current_module_name() = path_to_process.substr(a+1, path_to_process.size());
get_current_module_folder() = path_to_process.substr(0, a);
return true;
}else
return false;
}
//----------------------------------------------------------------------------
inline bool trim_left(std::string& str)
{
for(std::string::iterator it = str.begin(); it!= str.end() && isspace(static_cast<unsigned char>(*it));)
str.erase(str.begin());
return true;
}
//----------------------------------------------------------------------------
inline bool trim_right(std::string& str)
{
for(std::string::reverse_iterator it = str.rbegin(); it!= str.rend() && isspace(static_cast<unsigned char>(*it));)
str.erase( --((it++).base()));
return true;
}
//----------------------------------------------------------------------------
inline std::string& trim(std::string& str)
{
trim_left(str);
trim_right(str);
return str;
}
//----------------------------------------------------------------------------
inline std::string trim(const std::string& str_)
{
std::string str = str_;
trim_left(str);
trim_right(str);
return str;
}
//----------------------------------------------------------------------------
inline std::string pad_string(std::string s, size_t n, char c = ' ', bool prepend = false)
{
if (s.size() < n)
{
if (prepend)
s = std::string(n - s.size(), c) + s;
else
s.append(n - s.size(), c);
}
return s;
}
//----------------------------------------------------------------------------
template<class t_pod_type>
std::string pod_to_hex(const t_pod_type& s)
{
static_assert(std::is_standard_layout<t_pod_type>(), "expected standard layout type");
return to_hex::string(as_byte_span(s));
}
//----------------------------------------------------------------------------
template<class t_pod_type>
bool hex_to_pod(const std::string& hex_str, t_pod_type& s)
{
static_assert(std::is_pod<t_pod_type>::value, "expected pod type");
if(sizeof(s)*2 != hex_str.size())
return false;
epee::span<char> rspan((char*)&s, sizeof(s));
return parse_hexstr_to_binbuff(epee::to_span(hex_str), rspan);
}
//----------------------------------------------------------------------------
template<class t_pod_type>
bool hex_to_pod(const std::string& hex_str, tools::scrubbed<t_pod_type>& s)
{
return hex_to_pod(hex_str, unwrap(s));
}
//----------------------------------------------------------------------------
template<class t_pod_type>
bool hex_to_pod(const std::string& hex_str, epee::mlocked<t_pod_type>& s)
{
return hex_to_pod(hex_str, unwrap(s));
}
//----------------------------------------------------------------------------
bool validate_hex(uint64_t length, const std::string& str);
//----------------------------------------------------------------------------
inline std::string get_extension(const std::string& str)
{
std::string res;
std::string::size_type pos = str.rfind('.');
if(std::string::npos == pos)
return res;
res = str.substr(pos+1, str.size()-pos);
return res;
}
//----------------------------------------------------------------------------
inline std::string cut_off_extension(const std::string& str)
{
std::string res;
std::string::size_type pos = str.rfind('.');
if(std::string::npos == pos)
return str;
res = str.substr(0, pos);
return res;
}
//----------------------------------------------------------------------------
#ifdef _WIN32
inline std::wstring utf8_to_utf16(const std::string& str)
{
if (str.empty())
return {};
int wstr_size = MultiByteToWideChar(CP_UTF8, 0, &str[0], str.size(), NULL, 0);
if (wstr_size == 0)
{
throw std::runtime_error(std::error_code(GetLastError(), std::system_category()).message());
}
std::wstring wstr(wstr_size, wchar_t{});
if (!MultiByteToWideChar(CP_UTF8, 0, &str[0], str.size(), &wstr[0], wstr_size))
{
throw std::runtime_error(std::error_code(GetLastError(), std::system_category()).message());
}
return wstr;
}
inline std::string utf16_to_utf8(const std::wstring& wstr)
{
if (wstr.empty())
return {};
int str_size = WideCharToMultiByte(CP_UTF8, 0, &wstr[0], wstr.size(), NULL, 0, NULL, NULL);
if (str_size == 0)
{
throw std::runtime_error(std::error_code(GetLastError(), std::system_category()).message());
}
std::string str(str_size, char{});
if (!WideCharToMultiByte(CP_UTF8, 0, &wstr[0], wstr.size(), &str[0], str_size, NULL, NULL))
{
throw std::runtime_error(std::error_code(GetLastError(), std::system_category()).message());
}
return str;
}
#endif
}
}
#endif //_STRING_TOOLS_H_
|
