GCC Code Coverage Report

Directory: cvmfs/
File: cvmfs/pathspec/pathspec_pattern.cc
Date: 2025-11-16 02:35:16
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 13969 PathspecElementPattern::PathspecElementPattern(
13 const std::string::const_iterator begin,
14 13969 const std::string::const_iterator &end)
15 13969 : valid_(true) {
16
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 13969 Parse(begin, end);
17 13969 }
18
19 37967 PathspecElementPattern::PathspecElementPattern(
20 37967 const PathspecElementPattern &other)
21 37967 : valid_(other.valid_) {
22
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 37967 subpatterns_.reserve(other.subpatterns_.size());
23 37967 SubPatterns::const_iterator i = other.subpatterns_.begin();
24 37967 const SubPatterns::const_iterator iend = other.subpatterns_.end();
25
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 81089 for (; i != iend; ++i) {
26
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 43122 subpatterns_.push_back((*i)->Clone());
27 }
28 37967 }
29
30 294 PathspecElementPattern &PathspecElementPattern::operator=(
31 const PathspecElementPattern &other) {
32
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 294 if (this != &other) {
33 294 valid_ = other.valid_;
34 294 subpatterns_.clear();
35
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 294 subpatterns_.reserve(other.subpatterns_.size());
36 294 SubPatterns::const_iterator i = other.subpatterns_.begin();
37 294 const SubPatterns::const_iterator iend = other.subpatterns_.end();
38
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 756 for (; i != iend; ++i) {
39
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 462 subpatterns_.push_back((*i)->Clone());
40 }
41 }
42
43 294 return *this;
44 }
45
46
47 51930 PathspecElementPattern::~PathspecElementPattern() {
48 51930 SubPatterns::const_iterator i = subpatterns_.begin();
49 51930 const SubPatterns::const_iterator iend = subpatterns_.end();
50
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 112117 for (; i != iend; ++i) {
51
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 60187 delete *i;
52 }
53 51930 subpatterns_.clear();
54 51930 }
55
56
57 13969 void PathspecElementPattern::Parse(const std::string::const_iterator &begin,
58 const std::string::const_iterator &end) {
59 13969 std::string::const_iterator i = begin;
60
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 30915 while (i != end) {
61
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 16946 SubPattern *next = (Pathspec::IsSpecialChar(*i)) ? ParseSpecialChar(end, &i)
62
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 12936 : ParsePlaintext(end, &i);
63
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 16946 if (next->IsEmpty()) {
64 43 valid_ = false;
65
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 43 delete next;
66 } else {
67
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 16903 subpatterns_.push_back(next);
68 }
69 }
70 13969 }
71
72
73 12936 PathspecElementPattern::SubPattern *PathspecElementPattern::ParsePlaintext(
74 const std::string::const_iterator &end, std::string::const_iterator *i) {
75 12936 PlaintextSubPattern *pattern = new PlaintextSubPattern();
76 12936 bool next_is_escaped = false;
77
78
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 67709 while (*i < end) {
79
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 55920 if (Pathspec::IsSpecialChar(**i) && !next_is_escaped) {
80 1147 break;
81 }
82
83
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 54773 if (**i == Pathspec::kEscaper && !next_is_escaped) {
84 817 next_is_escaped = true;
85
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 53956 } else if (next_is_escaped) {
86
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 1075 if (Pathspec::IsSpecialChar(**i) || **i == Pathspec::kEscaper) {
87 731 pattern->AddChar(**i);
88 731 next_is_escaped = false;
89 } else {
90 344 valid_ = false;
91 }
92 } else {
93
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 52881 assert(!Pathspec::IsSpecialChar(**i));
94 52881 pattern->AddChar(**i);
95 }
96
97 54773 ++(*i);
98 }
99
100 12936 return pattern;
101 }
102
103 4010 PathspecElementPattern::SubPattern *PathspecElementPattern::ParseSpecialChar(
104 const std::string::const_iterator &end, std::string::const_iterator *i) {
105
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 4010 assert(Pathspec::IsSpecialChar(**i));
106 4010 const char chr = **i;
107 4010 ++(*i);
108
109
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 4010 switch (chr) {
110 2302 case Pathspec::kWildcard:
111 2302 return new WildcardSubPattern();
112 1708 case Pathspec::kPlaceholder:
113 1708 return new PlaceholderSubPattern();
114 ✗ default:
115 ✗ assert(false && "unrecognized special character");
116 }
117 }
118
119 8209 std::string PathspecElementPattern::GenerateRegularExpression(
120 const bool is_relaxed) const {
121 8209 std::string result;
122 8209 SubPatterns::const_iterator i = subpatterns_.begin();
123 8209 const SubPatterns::const_iterator iend = subpatterns_.end();
124
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 18797 for (; i != iend; ++i) {
125
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 10588 result += (*i)->GenerateRegularExpression(is_relaxed);
126 }
127 16418 return result;
128 }
129
130 1450 std::string PathspecElementPattern::GenerateGlobString() const {
131 1450 std::string result;
132 1450 SubPatterns::const_iterator i = subpatterns_.begin();
133 1450 const SubPatterns::const_iterator iend = subpatterns_.end();
134
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 3152 for (; i != iend; ++i) {
135
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 1702 result += (*i)->GenerateGlobString();
136 }
137 2900 return result;
138 }
139
140 4210 bool PathspecElementPattern::operator==(
141 const PathspecElementPattern &other) const {
142 4210 if (subpatterns_.size() != other.subpatterns_.size()
143
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 4210 || IsValid() != other.IsValid()) {
144 430 return false;
145 }
146
147 3780 SubPatterns::const_iterator i = subpatterns_.begin();
148 3780 const SubPatterns::const_iterator iend = subpatterns_.end();
149 3780 SubPatterns::const_iterator j = other.subpatterns_.begin();
150 3780 const SubPatterns::const_iterator jend = other.subpatterns_.end();
151
152
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 7283 for (; i != iend && j != jend; ++i, ++j) {
153
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 4382 if (!(*i)->Compare(*j)) {
154 879 return false;
155 }
156 }
157
158 2901 return true;
159 }
160
161
162 //------------------------------------------------------------------------------
163
164
165 53612 void PathspecElementPattern::PlaintextSubPattern::AddChar(const char chr) {
166 53612 chars_.push_back(chr);
167 53612 }
168
169 std::string
170 8054 PathspecElementPattern::PlaintextSubPattern::GenerateRegularExpression(
171 const bool is_relaxed) const {
172 // Note: strict and relaxed regex are the same!
173 8054 std::string::const_iterator i = chars_.begin();
174 8054 const std::string::const_iterator iend = chars_.end();
175 8054 std::string regex;
176
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 42886 for (; i != iend; ++i) {
177
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 34832 if (IsSpecialRegexCharacter(*i)) {
178
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 2352 regex += "\\";
179 }
180
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 34832 regex += *i;
181 }
182 16108 return regex;
183 }
184
185
186 1534 std::string PathspecElementPattern::PlaintextSubPattern::GenerateGlobString()
187 const {
188 1534 std::string::const_iterator i = chars_.begin();
189 1534 const std::string::const_iterator iend = chars_.end();
190 1534 std::string glob_string;
191
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 9386 for (; i != iend; ++i) {
192
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 7852 if (Pathspec::IsSpecialChar(*i)) {
193
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 172 glob_string += "\\";
194 }
195
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 7852 glob_string += *i;
196 }
197 3068 return glob_string;
198 }
199
200 34832 bool PathspecElementPattern::PlaintextSubPattern::IsSpecialRegexCharacter(
201 const char chr) const {
202
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 33383 return (chr == '.' || chr == '\\' || chr == '*' || chr == '?' || chr == '['
203
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 32910 || chr == ']' || chr == '(' || chr == ')' || chr == '{' || chr == '}'
204
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 68215 || chr == '^' || chr == '$' || chr == '+');
205 }
206
207 3264 bool PathspecElementPattern::PlaintextSubPattern::Compare(
208 const SubPattern *other) const {
209
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 3264 if (!other->IsPlaintext()) {
210 43 return false;
211 }
212
213 const PlaintextSubPattern
214
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 3221 *pt_other = dynamic_cast<const PlaintextSubPattern *>(other);
215
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 3221 assert(pt_other != NULL);
216 3221 return chars_ == pt_other->chars_;
217 }
218
219
220 std::string
221 1637 PathspecElementPattern::WildcardSubPattern::GenerateRegularExpression(
222 const bool is_relaxed) const {
223 return (is_relaxed) ? std::string(".*")
224
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 3274 : std::string("[^") + Pathspec::kSeparator + "]*";
225 }
226
227
228 84 std::string PathspecElementPattern::WildcardSubPattern::GenerateGlobString()
229 const {
230
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 84 return "*";
231 }
232
233
234 602 bool PathspecElementPattern::WildcardSubPattern::Compare(
235 const SubPattern *other) const {
236 602 return other->IsWildcard();
237 }
238
239
240 std::string
241 897 PathspecElementPattern::PlaceholderSubPattern::GenerateRegularExpression(
242 const bool is_relaxed) const {
243 // Note: strict and relaxed regex are the same!
244
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 1794 return std::string("[^") + Pathspec::kSeparator + "]";
245 }
246
247 84 std::string PathspecElementPattern::PlaceholderSubPattern::GenerateGlobString()
248 const {
249
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 84 return "?";
250 }
251
252 516 bool PathspecElementPattern::PlaceholderSubPattern::Compare(
253 const SubPattern *other) const {
254 516 return other->IsPlaceholder();
255 }
256