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-rw-r--r--apt-pkg/deb/deblistparser.cc91
1 files changed, 87 insertions, 4 deletions
diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index acdcc4554..a4795f15d 100644
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -475,17 +475,30 @@ const char *debListParser::ConvertRelation(const char *I,unsigned int &Op)
/* This parses the dependency elements out of a standard string in place,
bit by bit. */
const char *debListParser::ParseDepends(const char *Start,const char *Stop,
+ std::string &Package,std::string &Ver,unsigned int &Op)
+ { return ParseDepends(Start, Stop, Package, Ver, Op, false, true, false); }
+const char *debListParser::ParseDepends(const char *Start,const char *Stop,
+ std::string &Package,std::string &Ver,unsigned int &Op,
+ bool const &ParseArchFlags)
+ { return ParseDepends(Start, Stop, Package, Ver, Op, ParseArchFlags, true, false); }
+const char *debListParser::ParseDepends(const char *Start,const char *Stop,
+ std::string &Package,std::string &Ver,unsigned int &Op,
+ bool const &ParseArchFlags, bool const &StripMultiArch)
+ { return ParseDepends(Start, Stop, Package, Ver, Op, ParseArchFlags, StripMultiArch, false); }
+const char *debListParser::ParseDepends(const char *Start,const char *Stop,
string &Package,string &Ver,
unsigned int &Op, bool const &ParseArchFlags,
- bool const &StripMultiArch)
+ bool const &StripMultiArch,
+ bool const &ParseRestrictionsList)
{
// Strip off leading space
- for (;Start != Stop && isspace(*Start) != 0; Start++);
+ for (;Start != Stop && isspace(*Start) != 0; ++Start);
// Parse off the package name
const char *I = Start;
for (;I != Stop && isspace(*I) == 0 && *I != '(' && *I != ')' &&
- *I != ',' && *I != '|' && *I != '[' && *I != ']'; I++);
+ *I != ',' && *I != '|' && *I != '[' && *I != ']' &&
+ *I != '<' && *I != '>'; ++I);
// Malformed, no '('
if (I != Stop && *I == ')')
@@ -602,6 +615,76 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
for (;I != Stop && isspace(*I) != 0; I++);
}
+ if (ParseRestrictionsList == true)
+ {
+ // Parse a restrictions list
+ if (I != Stop && *I == '<')
+ {
+ ++I;
+ // malformed
+ if (unlikely(I == Stop))
+ return 0;
+
+ std::vector<string> const profiles = _config->FindVector("APT::Build-Profiles");
+
+ const char *End = I;
+ bool Found = false;
+ bool NegRestriction = false;
+ while (I != Stop)
+ {
+ // look for whitespace or ending '>'
+ for (;End != Stop && !isspace(*End) && *End != '>'; ++End);
+
+ if (unlikely(End == Stop))
+ return 0;
+
+ if (*I == '!')
+ {
+ NegRestriction = true;
+ ++I;
+ }
+
+ std::string restriction(I, End);
+
+ std::string prefix = "profile.";
+ // only support for "profile" prefix, ignore others
+ if (restriction.size() > prefix.size() &&
+ restriction.substr(0, prefix.size()) == prefix)
+ {
+ // get the name of the profile
+ restriction = restriction.substr(prefix.size());
+
+ if (restriction.empty() == false && profiles.empty() == false &&
+ std::find(profiles.begin(), profiles.end(), restriction) != profiles.end())
+ {
+ Found = true;
+ if (I[-1] != '!')
+ NegRestriction = false;
+ // we found a match, so fast-forward to the end of the wildcards
+ for (; End != Stop && *End != '>'; ++End);
+ }
+ }
+
+ if (*End++ == '>') {
+ I = End;
+ break;
+ }
+
+ I = End;
+ for (;I != Stop && isspace(*I) != 0; I++);
+ }
+
+ if (NegRestriction == true)
+ Found = !Found;
+
+ if (Found == false)
+ Package = ""; /* not for this restriction */
+ }
+
+ // Skip whitespace
+ for (;I != Stop && isspace(*I) != 0; I++);
+ }
+
if (I != Stop && *I == '|')
Op |= pkgCache::Dep::Or;
@@ -635,7 +718,7 @@ bool debListParser::ParseDepends(pkgCache::VerIterator &Ver,
string Version;
unsigned int Op;
- Start = ParseDepends(Start, Stop, Package, Version, Op, false, false);
+ Start = ParseDepends(Start, Stop, Package, Version, Op, false, false, false);
if (Start == 0)
return _error->Error("Problem parsing dependency %s",Tag);
size_t const found = Package.rfind(':');