GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/pathspec/pathspec_pattern.cc
Date: 2025-11-23 02:35:30
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 11139 PathspecElementPattern::PathspecElementPattern(
13 const std::string::const_iterator begin,
14 11139 const std::string::const_iterator &end)
15 11139 : valid_(true) {
16
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 11139 Parse(begin, end);
17 11139 }
18
19 37249 PathspecElementPattern::PathspecElementPattern(
20 37249 const PathspecElementPattern &other)
21 37249 : valid_(other.valid_) {
22
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 37249 subpatterns_.reserve(other.subpatterns_.size());
23 37249 SubPatterns::const_iterator i = other.subpatterns_.begin();
24 37249 const SubPatterns::const_iterator iend = other.subpatterns_.end();
25
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 78019 for (; i != iend; ++i) {
26
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 40770 subpatterns_.push_back((*i)->Clone());
27 }
28 37249 }
29
30 147 PathspecElementPattern &PathspecElementPattern::operator=(
31 const PathspecElementPattern &other) {
32
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 147 if (this != &other) {
33 147 valid_ = other.valid_;
34 147 subpatterns_.clear();
35
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 147 subpatterns_.reserve(other.subpatterns_.size());
36 147 SubPatterns::const_iterator i = other.subpatterns_.begin();
37 147 const SubPatterns::const_iterator iend = other.subpatterns_.end();
38
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 378 for (; i != iend; ++i) {
39
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 231 subpatterns_.push_back((*i)->Clone());
40 }
41 }
42
43 147 return *this;
44 }
45
46
47 48382 PathspecElementPattern::~PathspecElementPattern() {
48 48382 SubPatterns::const_iterator i = subpatterns_.begin();
49 48382 const SubPatterns::const_iterator iend = subpatterns_.end();
50
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 102063 for (; i != iend; ++i) {
51
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 53681 delete *i;
52 }
53 48382 subpatterns_.clear();
54 48382 }
55
56
57 11139 void PathspecElementPattern::Parse(const std::string::const_iterator &begin,
58 const std::string::const_iterator &end) {
59 11139 std::string::const_iterator i = begin;
60
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 24021 while (i != end) {
61
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 12882 SubPattern *next = (Pathspec::IsSpecialChar(*i)) ? ParseSpecialChar(end, &i)
62
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 9948 : ParsePlaintext(end, &i);
63
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 12882 if (next->IsEmpty()) {
64 49 valid_ = false;
65
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 49 delete next;
66 } else {
67
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 12833 subpatterns_.push_back(next);
68 }
69 }
70 11139 }
71
72
73 9948 PathspecElementPattern::SubPattern *PathspecElementPattern::ParsePlaintext(
74 const std::string::const_iterator &end, std::string::const_iterator *i) {
75 9948 PlaintextSubPattern *pattern = new PlaintextSubPattern();
76 9948 bool next_is_escaped = false;
77
78
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 51697 while (*i < end) {
79
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 42400 if (Pathspec::IsSpecialChar(**i) && !next_is_escaped) {
80 651 break;
81 }
82
83
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 41749 if (**i == Pathspec::kEscaper && !next_is_escaped) {
84 436 next_is_escaped = true;
85
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 41313 } else if (next_is_escaped) {
86
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 618 if (Pathspec::IsSpecialChar(**i) || **i == Pathspec::kEscaper) {
87 366 pattern->AddChar(**i);
88 366 next_is_escaped = false;
89 } else {
90 252 valid_ = false;
91 }
92 } else {
93
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 40695 assert(!Pathspec::IsSpecialChar(**i));
94 40695 pattern->AddChar(**i);
95 }
96
97 41749 ++(*i);
98 }
99
100 9948 return pattern;
101 }
102
103 2934 PathspecElementPattern::SubPattern *PathspecElementPattern::ParseSpecialChar(
104 const std::string::const_iterator &end, std::string::const_iterator *i) {
105
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 2934 assert(Pathspec::IsSpecialChar(**i));
106 2934 const char chr = **i;
107 2934 ++(*i);
108
109
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 2934 switch (chr) {
110 1898 case Pathspec::kWildcard:
111 1898 return new WildcardSubPattern();
112 1036 case Pathspec::kPlaceholder:
113 1036 return new PlaceholderSubPattern();
114 ✗ default:
115 ✗ assert(false && "unrecognized special character");
116 }
117 }
118
119 6790 std::string PathspecElementPattern::GenerateRegularExpression(
120 const bool is_relaxed) const {
121 6790 std::string result;
122 6790 SubPatterns::const_iterator i = subpatterns_.begin();
123 6790 const SubPatterns::const_iterator iend = subpatterns_.end();
124
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 14945 for (; i != iend; ++i) {
125
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 8155 result += (*i)->GenerateRegularExpression(is_relaxed);
126 }
127 13580 return result;
128 }
129
130 714 std::string PathspecElementPattern::GenerateGlobString() const {
131 714 std::string result;
132 714 SubPatterns::const_iterator i = subpatterns_.begin();
133 714 const SubPatterns::const_iterator iend = subpatterns_.end();
134
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 1554 for (; i != iend; ++i) {
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 840 result += (*i)->GenerateGlobString();
136 }
137 1428 return result;
138 }
139
140 2982 bool PathspecElementPattern::operator==(
141 const PathspecElementPattern &other) const {
142 2982 if (subpatterns_.size() != other.subpatterns_.size()
143
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 2982 || IsValid() != other.IsValid()) {
144 322 return false;
145 }
146
147 2660 SubPatterns::const_iterator i = subpatterns_.begin();
148 2660 const SubPatterns::const_iterator iend = subpatterns_.end();
149 2660 SubPatterns::const_iterator j = other.subpatterns_.begin();
150 2660 const SubPatterns::const_iterator jend = other.subpatterns_.end();
151
152
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 4865 for (; i != iend && j != jend; ++i, ++j) {
153
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 2954 if (!(*i)->Compare(*j)) {
154 749 return false;
155 }
156 }
157
158 1911 return true;
159 }
160
161
162 //------------------------------------------------------------------------------
163
164
165 41061 void PathspecElementPattern::PlaintextSubPattern::AddChar(const char chr) {
166 41061 chars_.push_back(chr);
167 41061 }
168
169 std::string
170 6446 PathspecElementPattern::PlaintextSubPattern::GenerateRegularExpression(
171 const bool is_relaxed) const {
172 // Note: strict and relaxed regex are the same!
173 6446 std::string::const_iterator i = chars_.begin();
174 6446 const std::string::const_iterator iend = chars_.end();
175 6446 std::string regex;
176
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 34356 for (; i != iend; ++i) {
177
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 27910 if (IsSpecialRegexCharacter(*i)) {
178
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 1397 regex += "\\";
179 }
180
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 27910 regex += *i;
181 }
182 12892 return regex;
183 }
184
185
186 756 std::string PathspecElementPattern::PlaintextSubPattern::GenerateGlobString()
187 const {
188 756 std::string::const_iterator i = chars_.begin();
189 756 const std::string::const_iterator iend = chars_.end();
190 756 std::string glob_string;
191
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 4620 for (; i != iend; ++i) {
192
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 3864 if (Pathspec::IsSpecialChar(*i)) {
193
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 84 glob_string += "\\";
194 }
195
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 3864 glob_string += *i;
196 }
197 1512 return glob_string;
198 }
199
200 27910 bool PathspecElementPattern::PlaintextSubPattern::IsSpecialRegexCharacter(
201 const char chr) const {
202
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 26975 return (chr == '.' || chr == '\\' || chr == '*' || chr == '?' || chr == '['
203
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 26733 || chr == ']' || chr == '(' || chr == ')' || chr == '{' || chr == '}'
204
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 54885 || chr == '^' || chr == '$' || chr == '+');
205 }
206
207 2268 bool PathspecElementPattern::PlaintextSubPattern::Compare(
208 const SubPattern *other) const {
209
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 2268 if (!other->IsPlaintext()) {
210 21 return false;
211 }
212
213 const PlaintextSubPattern
214
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 2247 *pt_other = dynamic_cast<const PlaintextSubPattern *>(other);
215
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 2247 assert(pt_other != NULL);
216 2247 return chars_ == pt_other->chars_;
217 }
218
219
220 std::string
221 1240 PathspecElementPattern::WildcardSubPattern::GenerateRegularExpression(
222 const bool is_relaxed) const {
223 return (is_relaxed) ? std::string(".*")
224
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 2480 : std::string("[^") + Pathspec::kSeparator + "]*";
225 }
226
227
228 42 std::string PathspecElementPattern::WildcardSubPattern::GenerateGlobString()
229 const {
230
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 42 return "*";
231 }
232
233
234 434 bool PathspecElementPattern::WildcardSubPattern::Compare(
235 const SubPattern *other) const {
236 434 return other->IsWildcard();
237 }
238
239
240 std::string
241 469 PathspecElementPattern::PlaceholderSubPattern::GenerateRegularExpression(
242 const bool is_relaxed) const {
243 // Note: strict and relaxed regex are the same!
244
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 938 return std::string("[^") + Pathspec::kSeparator + "]";
245 }
246
247 42 std::string PathspecElementPattern::PlaceholderSubPattern::GenerateGlobString()
248 const {
249
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 42 return "?";
250 }
251
252 252 bool PathspecElementPattern::PlaceholderSubPattern::Compare(
253 const SubPattern *other) const {
254 252 return other->IsPlaceholder();
255 }
256