GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/pathspec/pathspec_pattern.cc
Date: 2026-03-01 02:36:14
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
12 743 PathspecElementPattern::PathspecElementPattern(
13 const std::string::const_iterator begin,
14 743 const std::string::const_iterator &end)
15 743 : valid_(true) {
16
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 743 Parse(begin, end);
17 743 }
18
19 1933 PathspecElementPattern::PathspecElementPattern(
20 1933 const PathspecElementPattern &other)
21 1933 : valid_(other.valid_) {
22
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 1933 subpatterns_.reserve(other.subpatterns_.size());
23 1933 SubPatterns::const_iterator i = other.subpatterns_.begin();
24 1933 const SubPatterns::const_iterator iend = other.subpatterns_.end();
25
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 4162 for (; i != iend; ++i) {
26
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 2229 subpatterns_.push_back((*i)->Clone());
27 }
28 1933 }
29
30 14 PathspecElementPattern &PathspecElementPattern::operator=(
31 const PathspecElementPattern &other) {
32
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 14 if (this != &other) {
33 14 valid_ = other.valid_;
34 14 subpatterns_.clear();
35
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 14 subpatterns_.reserve(other.subpatterns_.size());
36 14 SubPatterns::const_iterator i = other.subpatterns_.begin();
37 14 const SubPatterns::const_iterator iend = other.subpatterns_.end();
38
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 36 for (; i != iend; ++i) {
39
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 22 subpatterns_.push_back((*i)->Clone());
40 }
41 }
42
43 14 return *this;
44 }
45
46
47 2670 PathspecElementPattern::~PathspecElementPattern() {
48 2670 SubPatterns::const_iterator i = subpatterns_.begin();
49 2670 const SubPatterns::const_iterator iend = subpatterns_.end();
50
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 5816 for (; i != iend; ++i) {
51
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 3146 delete *i;
52 }
53 2670 subpatterns_.clear();
54 2670 }
55
56
57 743 void PathspecElementPattern::Parse(const std::string::const_iterator &begin,
58 const std::string::const_iterator &end) {
59 743 std::string::const_iterator i = begin;
60
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 1660 while (i != end) {
61
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 917 SubPattern *next = (Pathspec::IsSpecialChar(*i)) ? ParseSpecialChar(end, &i)
62
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 694 : ParsePlaintext(end, &i);
63
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 917 if (next->IsEmpty()) {
64 2 valid_ = false;
65
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 2 delete next;
66 } else {
67
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 915 subpatterns_.push_back(next);
68 }
69 }
70 743 }
71
72
73 694 PathspecElementPattern::SubPattern *PathspecElementPattern::ParsePlaintext(
74 const std::string::const_iterator &end, std::string::const_iterator *i) {
75 694 PlaintextSubPattern *pattern = new PlaintextSubPattern();
76 694 bool next_is_escaped = false;
77
78
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 3599 while (*i < end) {
79
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 2973 if (Pathspec::IsSpecialChar(**i) && !next_is_escaped) {
80 68 break;
81 }
82
83
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 2905 if (**i == Pathspec::kEscaper && !next_is_escaped) {
84 42 next_is_escaped = true;
85
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 2863 } else if (next_is_escaped) {
86
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 58 if (Pathspec::IsSpecialChar(**i) || **i == Pathspec::kEscaper) {
87 37 pattern->AddChar(**i);
88 37 next_is_escaped = false;
89 } else {
90 21 valid_ = false;
91 }
92 } else {
93
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 2805 assert(!Pathspec::IsSpecialChar(**i));
94 2805 pattern->AddChar(**i);
95 }
96
97 2905 ++(*i);
98 }
99
100 694 return pattern;
101 }
102
103 223 PathspecElementPattern::SubPattern *PathspecElementPattern::ParseSpecialChar(
104 const std::string::const_iterator &end, std::string::const_iterator *i) {
105
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 223 assert(Pathspec::IsSpecialChar(**i));
106 223 const char chr = **i;
107 223 ++(*i);
108
109
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 223 switch (chr) {
110 116 case Pathspec::kWildcard:
111 116 return new WildcardSubPattern();
112 107 case Pathspec::kPlaceholder:
113 107 return new PlaceholderSubPattern();
114 ✗ default:
115 ✗ assert(false && "unrecognized special character");
116 }
117 }
118
119 404 std::string PathspecElementPattern::GenerateRegularExpression(
120 const bool is_relaxed) const {
121 404 std::string result;
122 404 SubPatterns::const_iterator i = subpatterns_.begin();
123 404 const SubPatterns::const_iterator iend = subpatterns_.end();
124
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 928 for (; i != iend; ++i) {
125
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 524 result += (*i)->GenerateRegularExpression(is_relaxed);
126 }
127 808 return result;
128 }
129
130 68 std::string PathspecElementPattern::GenerateGlobString() const {
131 68 std::string result;
132 68 SubPatterns::const_iterator i = subpatterns_.begin();
133 68 const SubPatterns::const_iterator iend = subpatterns_.end();
134
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 148 for (; i != iend; ++i) {
135
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 80 result += (*i)->GenerateGlobString();
136 }
137 136 return result;
138 }
139
140 264 bool PathspecElementPattern::operator==(
141 const PathspecElementPattern &other) const {
142 264 if (subpatterns_.size() != other.subpatterns_.size()
143
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 264 || IsValid() != other.IsValid()) {
144 26 return false;
145 }
146
147 238 SubPatterns::const_iterator i = subpatterns_.begin();
148 238 const SubPatterns::const_iterator iend = subpatterns_.end();
149 238 SubPatterns::const_iterator j = other.subpatterns_.begin();
150 238 const SubPatterns::const_iterator jend = other.subpatterns_.end();
151
152
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 466 for (; i != iend && j != jend; ++i, ++j) {
153
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 280 if (!(*i)->Compare(*j)) {
154 52 return false;
155 }
156 }
157
158 186 return true;
159 }
160
161
162 //------------------------------------------------------------------------------
163
164
165 2842 void PathspecElementPattern::PlaintextSubPattern::AddChar(const char chr) {
166 2842 chars_.push_back(chr);
167 2842 }
168
169 std::string
170 398 PathspecElementPattern::PlaintextSubPattern::GenerateRegularExpression(
171 const bool is_relaxed) const {
172 // Note: strict and relaxed regex are the same!
173 398 std::string::const_iterator i = chars_.begin();
174 398 const std::string::const_iterator iend = chars_.end();
175 398 std::string regex;
176
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 2108 for (; i != iend; ++i) {
177
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 1710 if (IsSpecialRegexCharacter(*i)) {
178
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 113 regex += "\\";
179 }
180
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 1710 regex += *i;
181 }
182 796 return regex;
183 }
184
185
186 72 std::string PathspecElementPattern::PlaintextSubPattern::GenerateGlobString()
187 const {
188 72 std::string::const_iterator i = chars_.begin();
189 72 const std::string::const_iterator iend = chars_.end();
190 72 std::string glob_string;
191
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 440 for (; i != iend; ++i) {
192
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 368 if (Pathspec::IsSpecialChar(*i)) {
193
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 8 glob_string += "\\";
194 }
195
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 368 glob_string += *i;
196 }
197 144 return glob_string;
198 }
199
200 1710 bool PathspecElementPattern::PlaintextSubPattern::IsSpecialRegexCharacter(
201 const char chr) const {
202
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 1639 return (chr == '.' || chr == '\\' || chr == '*' || chr == '?' || chr == '['
203
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 1617 || chr == ']' || chr == '(' || chr == ')' || chr == '{' || chr == '}'
204
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 3349 || chr == '^' || chr == '$' || chr == '+');
205 }
206
207 207 bool PathspecElementPattern::PlaintextSubPattern::Compare(
208 const SubPattern *other) const {
209
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 207 if (!other->IsPlaintext()) {
210 3 return false;
211 }
212
213 const PlaintextSubPattern
214
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 204 *pt_other = dynamic_cast<const PlaintextSubPattern *>(other);
215
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 204 assert(pt_other != NULL);
216 204 return chars_ == pt_other->chars_;
217 }
218
219
220 std::string
221 78 PathspecElementPattern::WildcardSubPattern::GenerateRegularExpression(
222 const bool is_relaxed) const {
223 return (is_relaxed) ? std::string(".*")
224
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 156 : std::string("[^") + Pathspec::kSeparator + "]*";
225 }
226
227
228 4 std::string PathspecElementPattern::WildcardSubPattern::GenerateGlobString()
229 const {
230
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 4 return "*";
231 }
232
233
234 37 bool PathspecElementPattern::WildcardSubPattern::Compare(
235 const SubPattern *other) const {
236 37 return other->IsWildcard();
237 }
238
239
240 std::string
241 48 PathspecElementPattern::PlaceholderSubPattern::GenerateRegularExpression(
242 const bool is_relaxed) const {
243 // Note: strict and relaxed regex are the same!
244
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 96 return std::string("[^") + Pathspec::kSeparator + "]";
245 }
246
247 4 std::string PathspecElementPattern::PlaceholderSubPattern::GenerateGlobString()
248 const {
249
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 4 return "?";
250 }
251
252 36 bool PathspecElementPattern::PlaceholderSubPattern::Compare(
253 const SubPattern *other) const {
254 36 return other->IsPlaceholder();
255 }
256