GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/pathspec/pathspec_pattern.cc
Date: 2025-10-05 02:35:40
Exec Total Coverage
Lines: 136 138 98.6%
Branches: 134 182 73.6%
Line Branch Exec Source
1 /**
2 * This file is part of the CernVM File System.
3 */
4
5
6 #include "pathspec_pattern.h"
7
8 #include <cassert>
9
10 #include "pathspec/pathspec.h"
11
12 7867 PathspecElementPattern::PathspecElementPattern(
13 const std::string::const_iterator begin,
14 7867 const std::string::const_iterator &end)
15 7867 : valid_(true) {
16
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 7867 Parse(begin, end);
17 7867 }
18
19 18053 PathspecElementPattern::PathspecElementPattern(
20 18053 const PathspecElementPattern &other)
21 18053 : valid_(other.valid_) {
22
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 18053 subpatterns_.reserve(other.subpatterns_.size());
23 18053 SubPatterns::const_iterator i = other.subpatterns_.begin();
24 18053 const SubPatterns::const_iterator iend = other.subpatterns_.end();
25
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 39329 for (; i != iend; ++i) {
26
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 21276 subpatterns_.push_back((*i)->Clone());
27 }
28 18053 }
29
30 210 PathspecElementPattern &PathspecElementPattern::operator=(
31 const PathspecElementPattern &other) {
32
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 210 if (this != &other) {
33 210 valid_ = other.valid_;
34 210 subpatterns_.clear();
35
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 210 subpatterns_.reserve(other.subpatterns_.size());
36 210 SubPatterns::const_iterator i = other.subpatterns_.begin();
37 210 const SubPatterns::const_iterator iend = other.subpatterns_.end();
38
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 540 for (; i != iend; ++i) {
39
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 330 subpatterns_.push_back((*i)->Clone());
40 }
41 }
42
43 210 return *this;
44 }
45
46
47 25914 PathspecElementPattern::~PathspecElementPattern() {
48 25914 SubPatterns::const_iterator i = subpatterns_.begin();
49 25914 const SubPatterns::const_iterator iend = subpatterns_.end();
50
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 57147 for (; i != iend; ++i) {
51
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 31233 delete *i;
52 }
53 25914 subpatterns_.clear();
54 25914 }
55
56
57 7867 void PathspecElementPattern::Parse(const std::string::const_iterator &begin,
58 const std::string::const_iterator &end) {
59 7867 std::string::const_iterator i = begin;
60
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 17729 while (i != end) {
61
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 9862 SubPattern *next = (Pathspec::IsSpecialChar(*i)) ? ParseSpecialChar(end, &i)
62
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 7431 : ParsePlaintext(end, &i);
63
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 9862 if (next->IsEmpty()) {
64 19 valid_ = false;
65
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 19 delete next;
66 } else {
67
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 9843 subpatterns_.push_back(next);
68 }
69 }
70 7867 }
71
72
73 7431 PathspecElementPattern::SubPattern *PathspecElementPattern::ParsePlaintext(
74 const std::string::const_iterator &end, std::string::const_iterator *i) {
75 7431 PlaintextSubPattern *pattern = new PlaintextSubPattern();
76 7431 bool next_is_escaped = false;
77
78
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 38918 while (*i < end) {
79
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 32267 if (Pathspec::IsSpecialChar(**i) && !next_is_escaped) {
80 780 break;
81 }
82
83
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 31487 if (**i == Pathspec::kEscaper && !next_is_escaped) {
84 559 next_is_escaped = true;
85
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 30928 } else if (next_is_escaped) {
86
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 717 if (Pathspec::IsSpecialChar(**i) || **i == Pathspec::kEscaper) {
87 510 pattern->AddChar(**i);
88 510 next_is_escaped = false;
89 } else {
90 207 valid_ = false;
91 }
92 } else {
93
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 30211 assert(!Pathspec::IsSpecialChar(**i));
94 30211 pattern->AddChar(**i);
95 }
96
97 31487 ++(*i);
98 }
99
100 7431 return pattern;
101 }
102
103 2431 PathspecElementPattern::SubPattern *PathspecElementPattern::ParseSpecialChar(
104 const std::string::const_iterator &end, std::string::const_iterator *i) {
105
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 2431 assert(Pathspec::IsSpecialChar(**i));
106 2431 const char chr = **i;
107 2431 ++(*i);
108
109
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 2431 switch (chr) {
110 1304 case Pathspec::kWildcard:
111 1304 return new WildcardSubPattern();
112 1127 case Pathspec::kPlaceholder:
113 1127 return new PlaceholderSubPattern();
114 ✗ default:
115 ✗ assert(false && "unrecognized special character");
116 }
117 }
118
119 4461 std::string PathspecElementPattern::GenerateRegularExpression(
120 const bool is_relaxed) const {
121 4461 std::string result;
122 4461 SubPatterns::const_iterator i = subpatterns_.begin();
123 4461 const SubPatterns::const_iterator iend = subpatterns_.end();
124
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 10533 for (; i != iend; ++i) {
125
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 6072 result += (*i)->GenerateRegularExpression(is_relaxed);
126 }
127 8922 return result;
128 }
129
130 1020 std::string PathspecElementPattern::GenerateGlobString() const {
131 1020 std::string result;
132 1020 SubPatterns::const_iterator i = subpatterns_.begin();
133 1020 const SubPatterns::const_iterator iend = subpatterns_.end();
134
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 2220 for (; i != iend; ++i) {
135
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 1200 result += (*i)->GenerateGlobString();
136 }
137 2040 return result;
138 }
139
140 2542 bool PathspecElementPattern::operator==(
141 const PathspecElementPattern &other) const {
142 2542 if (subpatterns_.size() != other.subpatterns_.size()
143
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 2542 || IsValid() != other.IsValid()) {
144 256 return false;
145 }
146
147 2286 SubPatterns::const_iterator i = subpatterns_.begin();
148 2286 const SubPatterns::const_iterator iend = subpatterns_.end();
149 2286 SubPatterns::const_iterator j = other.subpatterns_.begin();
150 2286 const SubPatterns::const_iterator jend = other.subpatterns_.end();
151
152
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 4524 for (; i != iend && j != jend; ++i, ++j) {
153
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 2706 if (!(*i)->Compare(*j)) {
154 468 return false;
155 }
156 }
157
158 1818 return true;
159 }
160
161
162 //------------------------------------------------------------------------------
163
164
165 30721 void PathspecElementPattern::PlaintextSubPattern::AddChar(const char chr) {
166 30721 chars_.push_back(chr);
167 30721 }
168
169 std::string
170 4472 PathspecElementPattern::PlaintextSubPattern::GenerateRegularExpression(
171 const bool is_relaxed) const {
172 // Note: strict and relaxed regex are the same!
173 4472 std::string::const_iterator i = chars_.begin();
174 4472 const std::string::const_iterator iend = chars_.end();
175 4472 std::string regex;
176
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 23719 for (; i != iend; ++i) {
177
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 19247 if (IsSpecialRegexCharacter(*i)) {
178
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 1566 regex += "\\";
179 }
180
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 19247 regex += *i;
181 }
182 8944 return regex;
183 }
184
185
186 1080 std::string PathspecElementPattern::PlaintextSubPattern::GenerateGlobString()
187 const {
188 1080 std::string::const_iterator i = chars_.begin();
189 1080 const std::string::const_iterator iend = chars_.end();
190 1080 std::string glob_string;
191
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 6600 for (; i != iend; ++i) {
192
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 5520 if (Pathspec::IsSpecialChar(*i)) {
193
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 120 glob_string += "\\";
194 }
195
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 5520 glob_string += *i;
196 }
197 2160 return glob_string;
198 }
199
200 19247 bool PathspecElementPattern::PlaintextSubPattern::IsSpecialRegexCharacter(
201 const char chr) const {
202
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 18311 return (chr == '.' || chr == '\\' || chr == '*' || chr == '?' || chr == '['
203
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 17981 || chr == ']' || chr == '(' || chr == ')' || chr == '{' || chr == '}'
204
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 37558 || chr == '^' || chr == '$' || chr == '+');
205 }
206
207 1981 bool PathspecElementPattern::PlaintextSubPattern::Compare(
208 const SubPattern *other) const {
209
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 1981 if (!other->IsPlaintext()) {
210 30 return false;
211 }
212
213 const PlaintextSubPattern
214
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 1951 *pt_other = dynamic_cast<const PlaintextSubPattern *>(other);
215
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 1951 assert(pt_other != NULL);
216 1951 return chars_ == pt_other->chars_;
217 }
218
219
220 std::string
221 973 PathspecElementPattern::WildcardSubPattern::GenerateRegularExpression(
222 const bool is_relaxed) const {
223 return (is_relaxed) ? std::string(".*")
224
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 1946 : std::string("[^") + Pathspec::kSeparator + "]*";
225 }
226
227
228 60 std::string PathspecElementPattern::WildcardSubPattern::GenerateGlobString()
229 const {
230
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 60 return "*";
231 }
232
233
234 365 bool PathspecElementPattern::WildcardSubPattern::Compare(
235 const SubPattern *other) const {
236 365 return other->IsWildcard();
237 }
238
239
240 std::string
241 627 PathspecElementPattern::PlaceholderSubPattern::GenerateRegularExpression(
242 const bool is_relaxed) const {
243 // Note: strict and relaxed regex are the same!
244
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 1254 return std::string("[^") + Pathspec::kSeparator + "]";
245 }
246
247 60 std::string PathspecElementPattern::PlaceholderSubPattern::GenerateGlobString()
248 const {
249
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 60 return "?";
250 }
251
252 360 bool PathspecElementPattern::PlaceholderSubPattern::Compare(
253 const SubPattern *other) const {
254 360 return other->IsPlaceholder();
255 }
256