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1 | // -*- mode: cpp; mode: fold -*- | |
2 | // Description /*{{{*/ | |
3 | /** \file cachefilter.h | |
4 | Collection of functor classes */ | |
5 | /*}}}*/ | |
6 | // Include Files /*{{{*/ | |
7 | #include <config.h> | |
8 | ||
9 | #include <apt-pkg/cachefile.h> | |
10 | #include <apt-pkg/cachefilter.h> | |
11 | #include <apt-pkg/error.h> | |
12 | #include <apt-pkg/pkgcache.h> | |
13 | #include <apt-pkg/cacheiterators.h> | |
14 | #include <apt-pkg/strutl.h> | |
15 | #include <apt-pkg/macros.h> | |
16 | ||
17 | #include <string> | |
18 | #include <string.h> | |
19 | #include <regex.h> | |
20 | #include <fnmatch.h> | |
21 | ||
22 | #include <apti18n.h> | |
23 | /*}}}*/ | |
24 | namespace APT { | |
25 | namespace CacheFilter { | |
26 | APT_CONST Matcher::~Matcher() {} | |
27 | APT_CONST PackageMatcher::~PackageMatcher() {} | |
28 | ||
29 | // Name matches RegEx /*{{{*/ | |
30 | PackageNameMatchesRegEx::PackageNameMatchesRegEx(std::string const &Pattern) { | |
31 | pattern = new regex_t; | |
32 | int const Res = regcomp(pattern, Pattern.c_str(), REG_EXTENDED | REG_ICASE | REG_NOSUB); | |
33 | if (Res == 0) | |
34 | return; | |
35 | ||
36 | delete pattern; | |
37 | pattern = NULL; | |
38 | char Error[300]; | |
39 | regerror(Res, pattern, Error, sizeof(Error)); | |
40 | _error->Error(_("Regex compilation error - %s"), Error); | |
41 | } | |
42 | bool PackageNameMatchesRegEx::operator() (pkgCache::PkgIterator const &Pkg) { | |
43 | if (unlikely(pattern == NULL)) | |
44 | return false; | |
45 | else | |
46 | return regexec(pattern, Pkg.Name(), 0, 0, 0) == 0; | |
47 | } | |
48 | bool PackageNameMatchesRegEx::operator() (pkgCache::GrpIterator const &Grp) { | |
49 | if (unlikely(pattern == NULL)) | |
50 | return false; | |
51 | else | |
52 | return regexec(pattern, Grp.Name(), 0, 0, 0) == 0; | |
53 | } | |
54 | PackageNameMatchesRegEx::~PackageNameMatchesRegEx() { | |
55 | if (pattern == NULL) | |
56 | return; | |
57 | regfree(pattern); | |
58 | delete pattern; | |
59 | } | |
60 | /*}}}*/ | |
61 | // Name matches Fnmatch /*{{{*/ | |
62 | PackageNameMatchesFnmatch::PackageNameMatchesFnmatch(std::string const &Pattern) : | |
63 | Pattern(Pattern) {} | |
64 | bool PackageNameMatchesFnmatch::operator() (pkgCache::PkgIterator const &Pkg) { | |
65 | return fnmatch(Pattern.c_str(), Pkg.Name(), FNM_CASEFOLD) == 0; | |
66 | } | |
67 | bool PackageNameMatchesFnmatch::operator() (pkgCache::GrpIterator const &Grp) { | |
68 | return fnmatch(Pattern.c_str(), Grp.Name(), FNM_CASEFOLD) == 0; | |
69 | } | |
70 | /*}}}*/ | |
71 | // Architecture matches <kernel>-<cpu> specification /*{{{*/ | |
72 | //---------------------------------------------------------------------- | |
73 | /* The complete architecture, consisting of <kernel>-<cpu>. */ | |
74 | static std::string CompleteArch(std::string const &arch) { | |
75 | if (arch.find('-') != std::string::npos) { | |
76 | // ensure that only -any- is replaced and not something like company- | |
77 | std::string complete = std::string("-").append(arch).append("-"); | |
78 | complete = SubstVar(complete, "-any-", "-*-"); | |
79 | complete = complete.substr(1, complete.size()-2); | |
80 | return complete; | |
81 | } | |
82 | else if (arch == "any") return "*-*"; | |
83 | else return "linux-" + arch; | |
84 | } | |
85 | PackageArchitectureMatchesSpecification::PackageArchitectureMatchesSpecification(std::string const &pattern, bool const isPattern) : | |
86 | literal(pattern), complete(CompleteArch(pattern)), isPattern(isPattern) { | |
87 | } | |
88 | bool PackageArchitectureMatchesSpecification::operator() (char const * const &arch) { | |
89 | if (strcmp(literal.c_str(), arch) == 0 || | |
90 | strcmp(complete.c_str(), arch) == 0) | |
91 | return true; | |
92 | std::string const pkgarch = CompleteArch(arch); | |
93 | if (isPattern == true) | |
94 | return fnmatch(complete.c_str(), pkgarch.c_str(), 0) == 0; | |
95 | return fnmatch(pkgarch.c_str(), complete.c_str(), 0) == 0; | |
96 | } | |
97 | bool PackageArchitectureMatchesSpecification::operator() (pkgCache::PkgIterator const &Pkg) { | |
98 | return (*this)(Pkg.Arch()); | |
99 | } | |
100 | PackageArchitectureMatchesSpecification::~PackageArchitectureMatchesSpecification() { | |
101 | } | |
102 | /*}}}*/ | |
103 | // Package is new install /*{{{*/ | |
104 | PackageIsNewInstall::PackageIsNewInstall(pkgCacheFile * const Cache) : Cache(Cache) {} | |
105 | APT_PURE bool PackageIsNewInstall::operator() (pkgCache::PkgIterator const &Pkg) { | |
106 | return (*Cache)[Pkg].NewInstall(); | |
107 | } | |
108 | PackageIsNewInstall::~PackageIsNewInstall() {} | |
109 | /*}}}*/ | |
110 | // Generica like True, False, NOT, AND, OR /*{{{*/ | |
111 | APT_CONST bool TrueMatcher::operator() (pkgCache::PkgIterator const &) { return true; } | |
112 | APT_CONST bool TrueMatcher::operator() (pkgCache::GrpIterator const &) { return true; } | |
113 | APT_CONST bool TrueMatcher::operator() (pkgCache::VerIterator const &) { return true; } | |
114 | ||
115 | APT_CONST bool FalseMatcher::operator() (pkgCache::PkgIterator const &) { return false; } | |
116 | APT_CONST bool FalseMatcher::operator() (pkgCache::GrpIterator const &) { return false; } | |
117 | APT_CONST bool FalseMatcher::operator() (pkgCache::VerIterator const &) { return false; } | |
118 | ||
119 | NOTMatcher::NOTMatcher(Matcher * const matcher) : matcher(matcher) {} | |
120 | bool NOTMatcher::operator() (pkgCache::PkgIterator const &Pkg) { return ! (*matcher)(Pkg); } | |
121 | bool NOTMatcher::operator() (pkgCache::GrpIterator const &Grp) { return ! (*matcher)(Grp); } | |
122 | bool NOTMatcher::operator() (pkgCache::VerIterator const &Ver) { return ! (*matcher)(Ver); } | |
123 | NOTMatcher::~NOTMatcher() { delete matcher; } | |
124 | ||
125 | ANDMatcher::ANDMatcher() {} | |
126 | ANDMatcher::ANDMatcher(Matcher * const matcher1) { | |
127 | AND(matcher1); | |
128 | } | |
129 | ANDMatcher::ANDMatcher(Matcher * const matcher1, Matcher * const matcher2) { | |
130 | AND(matcher1).AND(matcher2); | |
131 | } | |
132 | ANDMatcher::ANDMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3) { | |
133 | AND(matcher1).AND(matcher2).AND(matcher3); | |
134 | } | |
135 | ANDMatcher::ANDMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3, Matcher * const matcher4) { | |
136 | AND(matcher1).AND(matcher2).AND(matcher3).AND(matcher4); | |
137 | } | |
138 | ANDMatcher::ANDMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3, Matcher * const matcher4, Matcher * const matcher5) { | |
139 | AND(matcher1).AND(matcher2).AND(matcher3).AND(matcher4).AND(matcher5); | |
140 | } | |
141 | ANDMatcher& ANDMatcher::AND(Matcher * const matcher) { matchers.push_back(matcher); return *this; } | |
142 | bool ANDMatcher::operator() (pkgCache::PkgIterator const &Pkg) { | |
143 | for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) | |
144 | if ((**M)(Pkg) == false) | |
145 | return false; | |
146 | return true; | |
147 | } | |
148 | bool ANDMatcher::operator() (pkgCache::GrpIterator const &Grp) { | |
149 | for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) | |
150 | if ((**M)(Grp) == false) | |
151 | return false; | |
152 | return true; | |
153 | } | |
154 | bool ANDMatcher::operator() (pkgCache::VerIterator const &Ver) { | |
155 | for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) | |
156 | if ((**M)(Ver) == false) | |
157 | return false; | |
158 | return true; | |
159 | } | |
160 | ANDMatcher::~ANDMatcher() { | |
161 | for (std::vector<Matcher *>::iterator M = matchers.begin(); M != matchers.end(); ++M) | |
162 | delete *M; | |
163 | } | |
164 | ||
165 | ORMatcher::ORMatcher() {} | |
166 | ORMatcher::ORMatcher(Matcher * const matcher1) { | |
167 | OR(matcher1); | |
168 | } | |
169 | ORMatcher::ORMatcher(Matcher * const matcher1, Matcher * const matcher2) { | |
170 | OR(matcher1).OR(matcher2); | |
171 | } | |
172 | ORMatcher::ORMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3) { | |
173 | OR(matcher1).OR(matcher2).OR(matcher3); | |
174 | } | |
175 | ORMatcher::ORMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3, Matcher * const matcher4) { | |
176 | OR(matcher1).OR(matcher2).OR(matcher3).OR(matcher4); | |
177 | } | |
178 | ORMatcher::ORMatcher(Matcher * const matcher1, Matcher * const matcher2, Matcher * const matcher3, Matcher * const matcher4, Matcher * const matcher5) { | |
179 | OR(matcher1).OR(matcher2).OR(matcher3).OR(matcher4).OR(matcher5); | |
180 | } | |
181 | ORMatcher& ORMatcher::OR(Matcher * const matcher) { matchers.push_back(matcher); return *this; } | |
182 | bool ORMatcher::operator() (pkgCache::PkgIterator const &Pkg) { | |
183 | for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) | |
184 | if ((**M)(Pkg) == true) | |
185 | return true; | |
186 | return false; | |
187 | } | |
188 | bool ORMatcher::operator() (pkgCache::GrpIterator const &Grp) { | |
189 | for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) | |
190 | if ((**M)(Grp) == true) | |
191 | return true; | |
192 | return false; | |
193 | } | |
194 | bool ORMatcher::operator() (pkgCache::VerIterator const &Ver) { | |
195 | for (std::vector<Matcher *>::const_iterator M = matchers.begin(); M != matchers.end(); ++M) | |
196 | if ((**M)(Ver) == true) | |
197 | return true; | |
198 | return false; | |
199 | } | |
200 | ORMatcher::~ORMatcher() { | |
201 | for (std::vector<Matcher *>::iterator M = matchers.begin(); M != matchers.end(); ++M) | |
202 | delete *M; | |
203 | } | |
204 | /*}}}*/ | |
205 | ||
206 | } | |
207 | } |