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-rw-r--r--cmdline/cacheset.h104
1 files changed, 71 insertions, 33 deletions
diff --git a/cmdline/cacheset.h b/cmdline/cacheset.h
index 64a72e758..9c9491020 100644
--- a/cmdline/cacheset.h
+++ b/cmdline/cacheset.h
@@ -20,6 +20,45 @@
#include <apt-pkg/pkgcache.h>
/*}}}*/
namespace APT {
+class PackageSet;
+class VersionSet;
+class CacheSetHelper { /*{{{*/
+/** \class APT::CacheSetHelper
+ Simple base class with a lot of virtual methods which can be overridden
+ to alter the behavior or the output of the CacheSets.
+
+ This helper is passed around by the static methods in the CacheSets and
+ used every time they hit an error condition or something could be
+ printed out.
+*/
+public: /*{{{*/
+ CacheSetHelper(bool const &ShowError = true) : ShowError(ShowError) {};
+ virtual ~CacheSetHelper() {};
+
+ virtual void showTaskSelection(PackageSet const &pkgset, string const &pattern) {};
+ virtual void showRegExSelection(PackageSet const &pkgset, string const &pattern) {};
+ virtual void showSelectedVersion(pkgCache::PkgIterator const &Pkg, pkgCache::VerIterator const Ver,
+ string const &ver, bool const &verIsRel) {};
+
+ virtual PackageSet canNotFindTask(pkgCacheFile &Cache, std::string pattern);
+ virtual PackageSet canNotFindRegEx(pkgCacheFile &Cache, std::string pattern);
+ virtual PackageSet canNotFindPackage(pkgCacheFile &Cache, std::string const &str);
+ virtual VersionSet canNotFindAllVer(pkgCacheFile &Cache, pkgCache::PkgIterator const &Pkg);
+ virtual VersionSet canNotFindInstCandVer(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg);
+ virtual pkgCache::VerIterator canNotFindNewestVer(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg);
+ virtual pkgCache::VerIterator canNotFindCandidateVer(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg);
+ virtual pkgCache::VerIterator canNotFindInstalledVer(pkgCacheFile &Cache,
+ pkgCache::PkgIterator const &Pkg);
+
+ bool showErrors() const { return ShowError; };
+ bool showErrors(bool const &newValue) { if (ShowError == newValue) return ShowError; else return ((ShowError = newValue) == false); };
+ /*}}}*/
+protected:
+ bool ShowError;
+}; /*}}}*/
class PackageSet : public std::set<pkgCache::PkgIterator> { /*{{{*/
/** \class APT::PackageSet
@@ -66,6 +105,7 @@ public: /*{{{*/
using std::set<pkgCache::PkgIterator>::insert;
inline void insert(pkgCache::PkgIterator const &P) { if (P.end() == false) std::set<pkgCache::PkgIterator>::insert(P); };
+ inline void insert(PackageSet const &pkgset) { insert(pkgset.begin(), pkgset.end()); };
/** \brief returns all packages in the cache who belong to the given task
@@ -75,10 +115,10 @@ public: /*{{{*/
\param Cache the packages are in
\param pattern name of the task
\param out stream to print the notice to */
- static APT::PackageSet FromTask(pkgCacheFile &Cache, std::string pattern, std::ostream &out);
+ static APT::PackageSet FromTask(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper);
static APT::PackageSet FromTask(pkgCacheFile &Cache, std::string const &pattern) {
- std::ostream out (std::ofstream("/dev/null").rdbuf());
- return APT::PackageSet::FromTask(Cache, pattern, out);
+ CacheSetHelper helper;
+ return APT::PackageSet::FromTask(Cache, pattern, helper);
}
/** \brief returns all packages in the cache whose name matchs a given pattern
@@ -89,10 +129,10 @@ public: /*{{{*/
\param Cache the packages are in
\param pattern regular expression for package names
\param out stream to print the notice to */
- static APT::PackageSet FromRegEx(pkgCacheFile &Cache, std::string pattern, std::ostream &out);
+ static APT::PackageSet FromRegEx(pkgCacheFile &Cache, std::string pattern, CacheSetHelper &helper);
static APT::PackageSet FromRegEx(pkgCacheFile &Cache, std::string const &pattern) {
- std::ostream out (std::ofstream("/dev/null").rdbuf());
- return APT::PackageSet::FromRegEx(Cache, pattern, out);
+ CacheSetHelper helper;
+ return APT::PackageSet::FromRegEx(Cache, pattern, helper);
}
/** \brief returns all packages specified by a string
@@ -100,10 +140,10 @@ public: /*{{{*/
\param Cache the packages are in
\param string String the package name(s) should be extracted from
\param out stream to print various notices to */
- static APT::PackageSet FromString(pkgCacheFile &Cache, std::string const &string, std::ostream &out);
+ static APT::PackageSet FromString(pkgCacheFile &Cache, std::string const &string, CacheSetHelper &helper);
static APT::PackageSet FromString(pkgCacheFile &Cache, std::string const &string) {
- std::ostream out (std::ofstream("/dev/null").rdbuf());
- return APT::PackageSet::FromString(Cache, string, out);
+ CacheSetHelper helper;
+ return APT::PackageSet::FromString(Cache, string, helper);
}
/** \brief returns all packages specified on the commandline
@@ -113,10 +153,10 @@ public: /*{{{*/
\param Cache the packages are in
\param cmdline Command line the package names should be extracted from
\param out stream to print various notices to */
- static APT::PackageSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline, std::ostream &out);
+ static APT::PackageSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline, CacheSetHelper &helper);
static APT::PackageSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline) {
- std::ostream out (std::ofstream("/dev/null").rdbuf());
- return APT::PackageSet::FromCommandLine(Cache, cmdline, out);
+ CacheSetHelper helper;
+ return APT::PackageSet::FromCommandLine(Cache, cmdline, helper);
}
struct Modifier {
@@ -130,14 +170,14 @@ public: /*{{{*/
static std::map<unsigned short, PackageSet> GroupedFromCommandLine(
pkgCacheFile &Cache, const char **cmdline,
std::list<PackageSet::Modifier> const &mods,
- unsigned short const &fallback, std::ostream &out);
+ unsigned short const &fallback, CacheSetHelper &helper);
static std::map<unsigned short, PackageSet> GroupedFromCommandLine(
pkgCacheFile &Cache, const char **cmdline,
std::list<PackageSet::Modifier> const &mods,
unsigned short const &fallback) {
- std::ostream out (std::ofstream("/dev/null").rdbuf());
+ CacheSetHelper helper;
return APT::PackageSet::GroupedFromCommandLine(Cache, cmdline,
- mods, fallback, out);
+ mods, fallback, helper);
}
/*}}}*/
}; /*}}}*/
@@ -189,6 +229,7 @@ public: /*{{{*/
using std::set<pkgCache::VerIterator>::insert;
inline void insert(pkgCache::VerIterator const &V) { if (V.end() == false) std::set<pkgCache::VerIterator>::insert(V); };
+ inline void insert(VersionSet const &verset) { insert(verset.begin(), verset.end()); };
/** \brief specifies which version(s) will be returned if non is given */
enum Version {
@@ -216,22 +257,22 @@ public: /*{{{*/
\param cmdline Command line the versions should be extracted from
\param out stream to print various notices to */
static APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline,
- APT::VersionSet::Version const &fallback, std::ostream &out);
+ APT::VersionSet::Version const &fallback, CacheSetHelper &helper);
static APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline,
APT::VersionSet::Version const &fallback) {
- std::ostream out (std::ofstream("/dev/null").rdbuf());
- return APT::VersionSet::FromCommandLine(Cache, cmdline, fallback, out);
+ CacheSetHelper helper;
+ return APT::VersionSet::FromCommandLine(Cache, cmdline, fallback, helper);
}
static APT::VersionSet FromCommandLine(pkgCacheFile &Cache, const char **cmdline) {
return APT::VersionSet::FromCommandLine(Cache, cmdline, CANDINST);
}
static APT::VersionSet FromString(pkgCacheFile &Cache, std::string pkg,
- APT::VersionSet::Version const &fallback, std::ostream &out);
+ APT::VersionSet::Version const &fallback, CacheSetHelper &helper);
static APT::VersionSet FromString(pkgCacheFile &Cache, std::string pkg,
APT::VersionSet::Version const &fallback) {
- std::ostream out (std::ofstream("/dev/null").rdbuf());
- return APT::VersionSet::FromString(Cache, pkg, fallback, out);
+ CacheSetHelper helper;
+ return APT::VersionSet::FromString(Cache, pkg, fallback, helper);
}
static APT::VersionSet FromString(pkgCacheFile &Cache, std::string pkg) {
return APT::VersionSet::FromString(Cache, pkg, CANDINST);
@@ -251,14 +292,14 @@ public: /*{{{*/
static std::map<unsigned short, VersionSet> GroupedFromCommandLine(
pkgCacheFile &Cache, const char **cmdline,
std::list<VersionSet::Modifier> const &mods,
- unsigned short const &fallback, std::ostream &out);
+ unsigned short const &fallback, CacheSetHelper &helper);
static std::map<unsigned short, VersionSet> GroupedFromCommandLine(
pkgCacheFile &Cache, const char **cmdline,
std::list<VersionSet::Modifier> const &mods,
unsigned short const &fallback) {
- std::ostream out (std::ofstream("/dev/null").rdbuf());
+ CacheSetHelper helper;
return APT::VersionSet::GroupedFromCommandLine(Cache, cmdline,
- mods, fallback, out);
+ mods, fallback, helper);
}
/*}}}*/
protected: /*{{{*/
@@ -266,23 +307,20 @@ protected: /*{{{*/
/** \brief returns the candidate version of the package
\param Cache to be used to query for information
- \param Pkg we want the candidate version from this package
- \param AllowError add an error to the stack if not */
+ \param Pkg we want the candidate version from this package */
static pkgCache::VerIterator getCandidateVer(pkgCacheFile &Cache,
- pkgCache::PkgIterator const &Pkg, bool const &AllowError = false);
+ pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper);
/** \brief returns the installed version of the package
\param Cache to be used to query for information
- \param Pkg we want the installed version from this package
- \param AllowError add an error to the stack if not */
+ \param Pkg we want the installed version from this package */
static pkgCache::VerIterator getInstalledVer(pkgCacheFile &Cache,
- pkgCache::PkgIterator const &Pkg, bool const &AllowError = false);
-
+ pkgCache::PkgIterator const &Pkg, CacheSetHelper &helper);
- static bool AddSelectedVersion(pkgCacheFile &Cache, VersionSet &verset,
+ static void AddSelectedVersion(pkgCacheFile &Cache, VersionSet &verset,
pkgCache::PkgIterator const &P, VersionSet::Version const &fallback,
- bool const &AllowError = false);
+ CacheSetHelper &helper);
/*}}}*/
}; /*}}}*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-30 19:21:24 +0000