diff options
| -rw-r--r-- | apt-pkg/versionmatch.cc | 58 | ||||
| -rw-r--r-- | apt-pkg/versionmatch.h | 2 | ||||
| -rw-r--r-- | debian/changelog | 4 |
3 files changed, 52 insertions, 12 deletions
diff --git a/apt-pkg/versionmatch.cc b/apt-pkg/versionmatch.cc index e5f0fafd2..72c9bff2d 100644 --- a/apt-pkg/versionmatch.cc +++ b/apt-pkg/versionmatch.cc @@ -18,6 +18,10 @@ #include <stdio.h> #include <ctype.h> +#include <fnmatch.h> +#include <sys/types.h> +#include <regex.h> + /*}}}*/ // VersionMatch::pkgVersionMatch - Constructor /*{{{*/ @@ -162,6 +166,36 @@ pkgCache::VerIterator pkgVersionMatch::Find(pkgCache::PkgIterator Pkg) // This will be Ended by now. return Ver; } + +#ifndef FNM_CASEFOLD +#define FNM_CASEFOLD 0 +#endif + +bool pkgVersionMatch::ExpressionMatches(const char *pattern, const char *string) +{ + std::cerr << "MATCH " << pattern; + if (pattern[0] == '/') { + bool res = false; + size_t length = strlen(pattern); + if (pattern[length - 1] == '/') { + regex_t preg; + char *regex = strdup(pattern + 1); + regex[length - 2] = '\0'; + if (regcomp(&preg, regex, REG_EXTENDED | REG_ICASE) != 0) { + std::cerr << "E: Invalid regular expression: " << regex << "\n"; + } else if (regexec(&preg, string, 0, NULL, 0) == 0) { + res = true; + } + free(regex); + return res; + } + } + return fnmatch(pattern, string, FNM_CASEFOLD) == 0; +} +bool pkgVersionMatch::ExpressionMatches(const std::string& pattern, const char *string) +{ + return ExpressionMatches(pattern.c_str(), string); +} /*}}}*/ // VersionMatch::FileMatch - Match against an index file /*{{{*/ // --------------------------------------------------------------------- @@ -185,37 +219,37 @@ bool pkgVersionMatch::FileMatch(pkgCache::PkgFileIterator File) if (RelVerStr.empty() == false) if (File->Version == 0 || - MatchVer(File.Version(),RelVerStr,RelVerPrefixMatch) == false) + (MatchVer(File.Version(),RelVerStr,RelVerPrefixMatch) == false && + ExpressionMatches(RelVerStr, File.Version()) == false)) return false; if (RelOrigin.empty() == false) - if (File->Origin == 0 || - stringcasecmp(RelOrigin,File.Origin()) != 0) + if (File->Origin == 0 || !ExpressionMatches(RelOrigin,File.Origin())) return false; if (RelArchive.empty() == false) if (File->Archive == 0 || - stringcasecmp(RelArchive,File.Archive()) != 0) + !ExpressionMatches(RelArchive,File.Archive())) return false; if (RelCodename.empty() == false) if (File->Codename == 0 || - stringcasecmp(RelCodename,File.Codename()) != 0) + !ExpressionMatches(RelCodename,File.Codename())) return false; if (RelRelease.empty() == false) if ((File->Archive == 0 || - stringcasecmp(RelRelease,File.Archive()) != 0) && + !ExpressionMatches(RelRelease,File.Archive())) && (File->Codename == 0 || - stringcasecmp(RelRelease,File.Codename()) != 0)) + !ExpressionMatches(RelRelease,File.Codename()))) return false; if (RelLabel.empty() == false) if (File->Label == 0 || - stringcasecmp(RelLabel,File.Label()) != 0) + !ExpressionMatches(RelLabel,File.Label())) return false; if (RelComponent.empty() == false) if (File->Component == 0 || - stringcasecmp(RelComponent,File.Component()) != 0) + !ExpressionMatches(RelComponent,File.Component())) return false; if (RelArchitecture.empty() == false) if (File->Architecture == 0 || - stringcasecmp(RelArchitecture,File.Architecture()) != 0) + !ExpressionMatches(RelArchitecture,File.Architecture())) return false; return true; } @@ -223,12 +257,12 @@ bool pkgVersionMatch::FileMatch(pkgCache::PkgFileIterator File) if (Type == Origin) { if (OrSite.empty() == false) { - if (File->Site == 0 || OrSite != File.Site()) + if (File->Site == 0 || !ExpressionMatches(OrSite, File.Site())) return false; } else // so we are talking about file:// or status file if (strcmp(File.Site(),"") == 0 && File->Archive != 0) // skip the status file return false; - return (OrSite == File.Site()); /* both strings match */ + return (ExpressionMatches(OrSite, File.Site())); /* both strings match */ } return false; diff --git a/apt-pkg/versionmatch.h b/apt-pkg/versionmatch.h index a8da072ae..39639a23d 100644 --- a/apt-pkg/versionmatch.h +++ b/apt-pkg/versionmatch.h @@ -67,6 +67,8 @@ class pkgVersionMatch enum MatchType {None = 0,Version,Release,Origin} Type; bool MatchVer(const char *A,string B,bool Prefix); + bool ExpressionMatches(const char *pattern, const char *string); + bool ExpressionMatches(const std::string& pattern, const char *string); bool FileMatch(pkgCache::PkgFileIterator File); pkgCache::VerIterator Find(pkgCache::PkgIterator Pkg); diff --git a/debian/changelog b/debian/changelog index 105936177..659facb37 100644 --- a/debian/changelog +++ b/debian/changelog @@ -4,6 +4,10 @@ apt (0.7.26~exp8) experimental; urgency=low - Handle different logins on the same server (Closes: #586904). * apt-pkg/deb/deblistparser.cc: - Handle architecture wildcards (Closes: #547724). + * apt-pkg/versionmatch.cc: + - Support matching pins by regular expressions or glob() like patterns, + regular expressions have to be put between to slashes; for example, + /.*/. -- Julian Andres Klode <jak@debian.org> Thu, 24 Jun 2010 10:56:39 +0200 |