-
Notifications
You must be signed in to change notification settings - Fork 1
Expand file tree
/
Copy pathRegexUtils.cpp
More file actions
193 lines (157 loc) · 4.44 KB
/
RegexUtils.cpp
File metadata and controls
193 lines (157 loc) · 4.44 KB
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
#include "Base.h"
#include "RegexUtils.h"
#include <regex>
NS_BEGIN
//#################################################################################################
bool RegexSearch8(PCSTR szTarget, PCSTR szRegexPattern, const bool bCaseInsensitive, std::vector<CStr8> *pvecResults)
{
bool bResult = false;
if(szRegexPattern == nullptr)
return bResult;
auto flags = std::regex_constants::ECMAScript;
if(bCaseInsensitive)
ADD_FLAG(flags, std::regex::icase);
try
{
std::regex rgx(szRegexPattern, flags);
if(pvecResults)
{
pvecResults->clear();
PCSTR szScan = szTarget;
std::cmatch matches;
while(std::regex_search(szScan, matches, rgx))
{
bResult = true;
for(const auto &itr : matches)
pvecResults->emplace_back(itr);
if(StringCompare8(szScan, StringGetLength(szScan), matches.suffix().first, StringGetLength(matches.suffix().first)) == 0)
break; // Do not get caught in an infinite loop in the event the target string does not change
szScan = matches.suffix().first;
}
}
else
bResult = std::regex_search(szTarget, rgx);
}
catch(const std::regex_error &e)
{ // Catch any regex exceptions
UNUSED(e);
Assert(false);
bResult = false;
if(pvecResults)
pvecResults->clear();
}
return bResult;
}
//#################################################################################################
bool RegexSearchW(PCWSTR szTarget, PCWSTR szRegexPattern, const bool bCaseInsensitive, std::vector<CStrW> *pvecResults)
{
bool bResult = false;
if(szRegexPattern == nullptr)
return bResult;
auto flags = std::regex_constants::ECMAScript;
if(bCaseInsensitive)
ADD_FLAG(flags, std::regex::icase);
try
{
std::wregex rgx(szRegexPattern, flags);
if(pvecResults)
{
pvecResults->clear();
PCWSTR szScan = szTarget;
std::wcmatch matches;
while(std::regex_search(szScan, matches, rgx))
{
bResult = true;
for(const auto &itr : matches)
pvecResults->emplace_back(itr);
if(StringCompareW(szScan, StringGetLength(szScan), matches.suffix().first, StringGetLength(matches.suffix().first)) == 0)
break; // Do not get caught in an infinite loop in the event the target string does not change
szScan = matches.suffix().first;
}
}
else
bResult = std::regex_search(szTarget, rgx);
}
catch(const std::regex_error &e)
{ // Catch any regex exceptions
UNUSED(e);
Assert(false);
bResult = false;
if(pvecResults)
pvecResults->clear();
}
return bResult;
}
//#################################################################################################
bool RegexMatch8(PCSTR szTarget, PCSTR szRegexPattern, const bool bCaseInsensitive, std::vector<CStr8> *pvecResults)
{
bool bResult = false;
if(szRegexPattern == nullptr)
return bResult;
auto flags = std::regex_constants::ECMAScript;
if(bCaseInsensitive)
ADD_FLAG(flags, std::regex::icase);
try
{
std::regex rgx(szRegexPattern, flags);
if(pvecResults)
{
pvecResults->clear();
std::cmatch matches;
bResult = std::regex_match(szTarget, matches, rgx);
if(bResult)
{
for(const auto &itr : matches)
pvecResults->emplace_back(itr);
}
}
else
bResult = std::regex_match(szTarget, rgx);
}
catch(const std::regex_error &e)
{ // Catch any regex exceptions
UNUSED(e);
Assert(false);
bResult = false;
if(pvecResults)
pvecResults->clear();
}
return bResult;
}
//#################################################################################################
bool RegexMatchW(PCWSTR szTarget, PCWSTR szRegexPattern, const bool bCaseInsensitive, std::vector<CStrW> *pvecResults)
{
bool bResult = false;
if(szRegexPattern == nullptr)
return bResult;
auto flags = std::regex_constants::ECMAScript;
if(bCaseInsensitive)
ADD_FLAG(flags, std::regex::icase);
try
{
std::wregex rgx(szRegexPattern, flags);
if(pvecResults)
{
pvecResults->clear();
std::wcmatch matches;
bResult = std::regex_match(szTarget, matches, rgx);
if(bResult)
{
for(const auto &itr : matches)
pvecResults->emplace_back(itr);
}
}
else
bResult = std::regex_match(szTarget, rgx);
}
catch(const std::regex_error &e)
{ // Catch any regex exceptions
UNUSED(e);
Assert(false);
bResult = false;
if(pvecResults)
pvecResults->clear();
}
return bResult;
}
NS_END