diff options
| -rw-r--r-- | apt-pkg/contrib/configuration.cc | 43 | ||||
| -rw-r--r-- | apt-pkg/contrib/configuration.h | 19 | ||||
| -rw-r--r-- | apt-pkg/depcache.cc | 48 | ||||
| -rw-r--r-- | apt-pkg/depcache.h | 22 | ||||
| -rw-r--r-- | debian/changelog | 5 |
5 files changed, 71 insertions, 66 deletions
diff --git a/apt-pkg/contrib/configuration.cc b/apt-pkg/contrib/configuration.cc index 9129d92f0..81cc87d15 100644 --- a/apt-pkg/contrib/configuration.cc +++ b/apt-pkg/contrib/configuration.cc @@ -843,3 +843,46 @@ bool ReadConfigDir(Configuration &Conf,const string &Dir, return true; } /*}}}*/ +// MatchAgainstConfig Constructor /*{{{*/ +Configuration::MatchAgainstConfig::MatchAgainstConfig(char const * Config) +{ + std::vector<std::string> const strings = _config->FindVector(Config); + for (std::vector<std::string>::const_iterator s = strings.begin(); + s != strings.end(); ++s) + { + regex_t *p = new regex_t; + if (regcomp(p, s->c_str(), REG_EXTENDED | REG_ICASE | REG_NOSUB) == 0) + patterns.push_back(p); + else + { + regfree(p); + delete p; + _error->Warning("Regex compilation error for '%s' in configuration option '%s'", + s->c_str(), Config); + } + } + +} + /*}}}*/ +// MatchAgainstConfig Destructor /*{{{*/ +Configuration::MatchAgainstConfig::~MatchAgainstConfig() +{ + for(std::vector<regex_t *>::const_iterator p = patterns.begin(); + p != patterns.end(); ++p) + { + regfree(*p); + delete *p; + } +} + /*}}}*/ +// MatchAgainstConfig::Match - returns true if a pattern matches /*{{{*/ +bool Configuration::MatchAgainstConfig::Match(char const * str) const +{ + for(std::vector<regex_t *>::const_iterator p = patterns.begin(); + p != patterns.end(); ++p) + if (regexec(*p, str, 0, 0, 0) == 0) + return true; + + return false; +} + /*}}}*/ diff --git a/apt-pkg/contrib/configuration.h b/apt-pkg/contrib/configuration.h index 2494c1d7c..cbe18e4e5 100644 --- a/apt-pkg/contrib/configuration.h +++ b/apt-pkg/contrib/configuration.h @@ -28,7 +28,7 @@ #ifndef PKGLIB_CONFIGURATION_H #define PKGLIB_CONFIGURATION_H - +#include <regex.h> #include <string> #include <vector> @@ -104,6 +104,23 @@ class Configuration Configuration(const Item *Root); Configuration(); ~Configuration(); + + /** \brief match a string against a configurable list of patterns */ + class MatchAgainstConfig + { + std::vector<regex_t *> patterns; + + public: + MatchAgainstConfig(char const * Config); + virtual ~MatchAgainstConfig(); + + /** \brief Returns \b true for a string matching one of the patterns */ + bool Match(char const * str) const; + bool Match(std::string const &str) const { return Match(str.c_str()); }; + + /** \brief returns if the matcher setup was successful */ + bool wasConstructedSuccessfully() const { return patterns.empty() == false; } + }; }; extern Configuration *_config; diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc index d082b8404..8bca3e36e 100644 --- a/apt-pkg/depcache.cc +++ b/apt-pkg/depcache.cc @@ -1638,54 +1638,6 @@ bool pkgDepCache::Policy::IsImportantDep(DepIterator Dep) return false; } /*}}}*/ -pkgDepCache::DefaultRootSetFunc::DefaultRootSetFunc() /*{{{*/ - : constructedSuccessfully(false) -{ - Configuration::Item const *Opts; - Opts = _config->Tree("APT::NeverAutoRemove"); - if (Opts != 0 && Opts->Child != 0) - { - Opts = Opts->Child; - for (; Opts != 0; Opts = Opts->Next) - { - if (Opts->Value.empty() == true) - continue; - - regex_t *p = new regex_t; - if(regcomp(p,Opts->Value.c_str(), - REG_EXTENDED | REG_ICASE | REG_NOSUB) != 0) - { - regfree(p); - delete p; - _error->Error("Regex compilation error for APT::NeverAutoRemove"); - return; - } - - rootSetRegexp.push_back(p); - } - } - - constructedSuccessfully = true; -} - /*}}}*/ -pkgDepCache::DefaultRootSetFunc::~DefaultRootSetFunc() /*{{{*/ -{ - for(unsigned int i = 0; i < rootSetRegexp.size(); i++) - { - regfree(rootSetRegexp[i]); - delete rootSetRegexp[i]; - } -} - /*}}}*/ -bool pkgDepCache::DefaultRootSetFunc::InRootSet(const pkgCache::PkgIterator &pkg) /*{{{*/ -{ - for(unsigned int i = 0; i < rootSetRegexp.size(); i++) - if (regexec(rootSetRegexp[i], pkg.Name(), 0, 0, 0) == 0) - return true; - - return false; -} - /*}}}*/ pkgDepCache::InRootSetFunc *pkgDepCache::GetRootSetFunc() /*{{{*/ { DefaultRootSetFunc *f = new DefaultRootSetFunc; diff --git a/apt-pkg/depcache.h b/apt-pkg/depcache.h index 72d7cce5d..66c099b80 100644 --- a/apt-pkg/depcache.h +++ b/apt-pkg/depcache.h @@ -38,11 +38,10 @@ #ifndef PKGLIB_DEPCACHE_H #define PKGLIB_DEPCACHE_H - +#include <apt-pkg/configuration.h> #include <apt-pkg/pkgcache.h> #include <apt-pkg/progress.h> - -#include <regex.h> +#include <apt-pkg/error.h> #include <vector> #include <memory> @@ -184,22 +183,13 @@ class pkgDepCache : protected pkgCache::Namespace /** \brief Returns \b true for packages matching a regular * expression in APT::NeverAutoRemove. */ - class DefaultRootSetFunc : public InRootSetFunc + class DefaultRootSetFunc : public InRootSetFunc, public Configuration::MatchAgainstConfig { - std::vector<regex_t *> rootSetRegexp; - bool constructedSuccessfully; - public: - DefaultRootSetFunc(); - ~DefaultRootSetFunc(); - - /** \return \b true if the class initialized successfully, \b - * false otherwise. Used to avoid throwing an exception, since - * APT classes generally don't. - */ - bool wasConstructedSuccessfully() const { return constructedSuccessfully; } + DefaultRootSetFunc() : Configuration::MatchAgainstConfig("APT::NeverRemove") {}; + virtual ~DefaultRootSetFunc() {}; - bool InRootSet(const pkgCache::PkgIterator &pkg); + bool InRootSet(const pkgCache::PkgIterator &pkg) { return pkg.end() == true && Match(pkg.Name()); }; }; struct StateCache diff --git a/debian/changelog b/debian/changelog index 06bde48fc..4500614a0 100644 --- a/debian/changelog +++ b/debian/changelog @@ -16,14 +16,17 @@ apt (0.7.26~exp8) UNRELEASED; urgency=low * apt-pkg/depcache.cc: - SetCandidateVer for all pseudo packages - SetReInstall for the "all" package of a pseudo package + - use the new MatchAgainstConfig for the DefaultRootSetFunc * apt-pkg/contrib/error.{cc,h}: - complete rewrite but use the same API - add NOTICE and DEBUG as new types of a message - add a simple stack handling to be able to delay error handling * apt-pkg/aptconfiguration.cc: - show a deprecation notice for APT::Acquire::Translation + * apt-pkg/contrib/configuration.{cc,h}: + - add a wrapper to match strings against configurable regex patterns - -- David Kalnischkies <kalnischkies@gmail.com> Sat, 26 Jun 2010 09:01:40 +0200 + -- David Kalnischkies <kalnischkies@gmail.com> Sat, 26 Jun 2010 13:28:48 +0200 apt (0.7.26~exp7) experimental; urgency=low |