GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/pathspec/pathspec_pattern.cc
Date: 2026-06-14 02:36:34
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 9355 PathspecElementPattern::PathspecElementPattern(
13 const std::string::const_iterator begin,
14 9355 const std::string::const_iterator &end)
15 9355 : valid_(true) {
16
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 9355 Parse(begin, end);
17 9355 }
18
19 34278 PathspecElementPattern::PathspecElementPattern(
20 34278 const PathspecElementPattern &other)
21 34278 : valid_(other.valid_) {
22
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 34278 subpatterns_.reserve(other.subpatterns_.size());
23 34278 SubPatterns::const_iterator i = other.subpatterns_.begin();
24 34278 const SubPatterns::const_iterator iend = other.subpatterns_.end();
25
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 71149 for (; i != iend; ++i) {
26
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 36871 subpatterns_.push_back((*i)->Clone());
27 }
28 34278 }
29
30 84 PathspecElementPattern &PathspecElementPattern::operator=(
31 const PathspecElementPattern &other) {
32
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 84 if (this != &other) {
33 84 valid_ = other.valid_;
34 84 subpatterns_.clear();
35
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 84 subpatterns_.reserve(other.subpatterns_.size());
36 84 SubPatterns::const_iterator i = other.subpatterns_.begin();
37 84 const SubPatterns::const_iterator iend = other.subpatterns_.end();
38
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 216 for (; i != iend; ++i) {
39
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 132 subpatterns_.push_back((*i)->Clone());
40 }
41 }
42
43 84 return *this;
44 }
45
46
47 43627 PathspecElementPattern::~PathspecElementPattern() {
48 43627 SubPatterns::const_iterator i = subpatterns_.begin();
49 43627 const SubPatterns::const_iterator iend = subpatterns_.end();
50
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 91026 for (; i != iend; ++i) {
51
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 47399 delete *i;
52 }
53 43627 subpatterns_.clear();
54 43627 }
55
56
57 9355 void PathspecElementPattern::Parse(const std::string::const_iterator &begin,
58 const std::string::const_iterator &end) {
59 9355 std::string::const_iterator i = begin;
60
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 19881 while (i != end) {
61
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 10526 SubPattern *next = (Pathspec::IsSpecialChar(*i)) ? ParseSpecialChar(end, &i)
62
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 8321 : ParsePlaintext(end, &i);
63
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 10526 if (next->IsEmpty()) {
64 40 valid_ = false;
65
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 40 delete next;
66 } else {
67
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 10486 subpatterns_.push_back(next);
68 }
69 }
70 9355 }
71
72
73 8321 PathspecElementPattern::SubPattern *PathspecElementPattern::ParsePlaintext(
74 const std::string::const_iterator &end, std::string::const_iterator *i) {
75 8321 PlaintextSubPattern *pattern = new PlaintextSubPattern();
76 8321 bool next_is_escaped = false;
77
78
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 43545 while (*i < end) {
79
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 35641 if (Pathspec::IsSpecialChar(**i) && !next_is_escaped) {
80 417 break;
81 }
82
83
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 35224 if (**i == Pathspec::kEscaper && !next_is_escaped) {
84 269 next_is_escaped = true;
85
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 34955 } else if (next_is_escaped) {
86
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 401 if (Pathspec::IsSpecialChar(**i) || **i == Pathspec::kEscaper) {
87 216 pattern->AddChar(**i);
88 216 next_is_escaped = false;
89 } else {
90 185 valid_ = false;
91 }
92 } else {
93
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 34554 assert(!Pathspec::IsSpecialChar(**i));
94 34554 pattern->AddChar(**i);
95 }
96
97 35224 ++(*i);
98 }
99
100 8321 return pattern;
101 }
102
103 2205 PathspecElementPattern::SubPattern *PathspecElementPattern::ParseSpecialChar(
104 const std::string::const_iterator &end, std::string::const_iterator *i) {
105
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 2205 assert(Pathspec::IsSpecialChar(**i));
106 2205 const char chr = **i;
107 2205 ++(*i);
108
109
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 2205 switch (chr) {
110 1509 case Pathspec::kWildcard:
111 1509 return new WildcardSubPattern();
112 696 case Pathspec::kPlaceholder:
113 696 return new PlaceholderSubPattern();
114 ✗ default:
115 ✗ assert(false && "unrecognized special character");
116 }
117 }
118
119 6139 std::string PathspecElementPattern::GenerateRegularExpression(
120 const bool is_relaxed) const {
121 6139 std::string result;
122 6139 SubPatterns::const_iterator i = subpatterns_.begin();
123 6139 const SubPatterns::const_iterator iend = subpatterns_.end();
124
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 13192 for (; i != iend; ++i) {
125
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 7053 result += (*i)->GenerateRegularExpression(is_relaxed);
126 }
127 12278 return result;
128 }
129
130 408 std::string PathspecElementPattern::GenerateGlobString() const {
131 408 std::string result;
132 408 SubPatterns::const_iterator i = subpatterns_.begin();
133 408 const SubPatterns::const_iterator iend = subpatterns_.end();
134
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 888 for (; i != iend; ++i) {
135
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 480 result += (*i)->GenerateGlobString();
136 }
137 816 return result;
138 }
139
140 2224 bool PathspecElementPattern::operator==(
141 const PathspecElementPattern &other) const {
142 2224 if (subpatterns_.size() != other.subpatterns_.size()
143
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 2224 || IsValid() != other.IsValid()) {
144 232 return false;
145 }
146
147 1992 SubPatterns::const_iterator i = subpatterns_.begin();
148 1992 const SubPatterns::const_iterator iend = subpatterns_.end();
149 1992 SubPatterns::const_iterator j = other.subpatterns_.begin();
150 1992 const SubPatterns::const_iterator jend = other.subpatterns_.end();
151
152
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 3510 for (; i != iend && j != jend; ++i, ++j) {
153
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 2160 if (!(*i)->Compare(*j)) {
154 642 return false;
155 }
156 }
157
158 1350 return true;
159 }
160
161
162 //------------------------------------------------------------------------------
163
164
165 34770 void PathspecElementPattern::PlaintextSubPattern::AddChar(const char chr) {
166 34770 chars_.push_back(chr);
167 34770 }
168
169 std::string
170 5780 PathspecElementPattern::PlaintextSubPattern::GenerateRegularExpression(
171 const bool is_relaxed) const {
172 // Note: strict and relaxed regex are the same!
173 5780 std::string::const_iterator i = chars_.begin();
174 5780 const std::string::const_iterator iend = chars_.end();
175 5780 std::string regex;
176
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 31094 for (; i != iend; ++i) {
177
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 25314 if (IsSpecialRegexCharacter(*i)) {
178
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 944 regex += "\\";
179 }
180
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 25314 regex += *i;
181 }
182 11560 return regex;
183 }
184
185
186 432 std::string PathspecElementPattern::PlaintextSubPattern::GenerateGlobString()
187 const {
188 432 std::string::const_iterator i = chars_.begin();
189 432 const std::string::const_iterator iend = chars_.end();
190 432 std::string glob_string;
191
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 2640 for (; i != iend; ++i) {
192
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 2208 if (Pathspec::IsSpecialChar(*i)) {
193
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 48 glob_string += "\\";
194 }
195
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 2208 glob_string += *i;
196 }
197 864 return glob_string;
198 }
199
200 25314 bool PathspecElementPattern::PlaintextSubPattern::IsSpecialRegexCharacter(
201 const char chr) const {
202
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 24643 return (chr == '.' || chr == '\\' || chr == '*' || chr == '?' || chr == '['
203
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 24500 || chr == ']' || chr == '(' || chr == ')' || chr == '{' || chr == '}'
204
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 49957 || chr == '^' || chr == '$' || chr == '+');
205 }
206
207 1708 bool PathspecElementPattern::PlaintextSubPattern::Compare(
208 const SubPattern *other) const {
209
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 1708 if (!other->IsPlaintext()) {
210 12 return false;
211 }
212
213 const PlaintextSubPattern
214
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 1696 *pt_other = dynamic_cast<const PlaintextSubPattern *>(other);
215
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 1696 assert(pt_other != NULL);
216 1696 return chars_ == pt_other->chars_;
217 }
218
219
220 std::string
221 979 PathspecElementPattern::WildcardSubPattern::GenerateRegularExpression(
222 const bool is_relaxed) const {
223 return (is_relaxed) ? std::string(".*")
224
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 1958 : std::string("[^") + Pathspec::kSeparator + "]*";
225 }
226
227
228 24 std::string PathspecElementPattern::WildcardSubPattern::GenerateGlobString()
229 const {
230
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 24 return "*";
231 }
232
233
234 308 bool PathspecElementPattern::WildcardSubPattern::Compare(
235 const SubPattern *other) const {
236 308 return other->IsWildcard();
237 }
238
239
240 std::string
241 294 PathspecElementPattern::PlaceholderSubPattern::GenerateRegularExpression(
242 const bool is_relaxed) const {
243 // Note: strict and relaxed regex are the same!
244
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 588 return std::string("[^") + Pathspec::kSeparator + "]";
245 }
246
247 24 std::string PathspecElementPattern::PlaceholderSubPattern::GenerateGlobString()
248 const {
249
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 24 return "?";
250 }
251
252 144 bool PathspecElementPattern::PlaceholderSubPattern::Compare(
253 const SubPattern *other) const {
254 144 return other->IsPlaceholder();
255 }
256