diff options
Diffstat (limited to 'apt-pkg/deb/deblistparser.cc')
| -rw-r--r-- | apt-pkg/deb/deblistparser.cc | 221 |
1 files changed, 143 insertions, 78 deletions
diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc index 9da03a7f6..2b3dfaf6e 100644 --- a/apt-pkg/deb/deblistparser.cc +++ b/apt-pkg/deb/deblistparser.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: deblistparser.cc,v 1.23 1999/09/30 06:30:34 jgg Exp $ +// $Id: deblistparser.cc,v 1.24 2001/02/20 07:03:17 jgg Exp $ /* ###################################################################### Package Cache Generator - Generator for the cache structure. @@ -19,10 +19,17 @@ #include <system.h> /*}}}*/ +static debListParser::WordList PrioList[] = {{"important",pkgCache::State::Important}, + {"required",pkgCache::State::Required}, + {"standard",pkgCache::State::Standard}, + {"optional",pkgCache::State::Optional}, + {"extra",pkgCache::State::Extra}, + {}}; + // ListParser::debListParser - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ -debListParser::debListParser(FileFd &File) : Tags(File) +debListParser::debListParser(FileFd *File) : Tags(File) { Arch = _config->Find("APT::architecture"); } @@ -80,14 +87,8 @@ bool debListParser::NewVersion(pkgCache::VerIterator Ver) const char *Start; const char *Stop; if (Section.Find("Priority",Start,Stop) == true) - { - WordList PrioList[] = {{"important",pkgCache::State::Important}, - {"required",pkgCache::State::Required}, - {"standard",pkgCache::State::Standard}, - {"optional",pkgCache::State::Optional}, - {"extra",pkgCache::State::Extra}}; - if (GrabWord(string(Start,Stop-Start),PrioList, - _count(PrioList),Ver->Priority) == false) + { + if (GrabWord(string(Start,Stop-Start),PrioList,Ver->Priority) == false) Ver->Priority = pkgCache::State::Extra; } @@ -104,6 +105,10 @@ bool debListParser::NewVersion(pkgCache::VerIterator Ver) if (ParseDepends(Ver,"Replaces",pkgCache::Dep::Replaces) == false) return false; + // Obsolete. + if (ParseDepends(Ver,"Optional",pkgCache::Dep::Suggests) == false) + return false; + if (ParseProvides(Ver) == false) return false; @@ -205,9 +210,9 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg, {"install",pkgCache::State::Install}, {"hold",pkgCache::State::Hold}, {"deinstall",pkgCache::State::DeInstall}, - {"purge",pkgCache::State::Purge}}; - if (GrabWord(string(Start,I-Start),WantList, - _count(WantList),Pkg->SelectedState) == false) + {"purge",pkgCache::State::Purge}, + {}}; + if (GrabWord(string(Start,I-Start),WantList,Pkg->SelectedState) == false) return _error->Error("Malformed 1st word in the Status line"); // Isloate the next word @@ -221,9 +226,9 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg, WordList FlagList[] = {{"ok",pkgCache::State::Ok}, {"reinstreq",pkgCache::State::ReInstReq}, {"hold",pkgCache::State::HoldInst}, - {"hold-reinstreq",pkgCache::State::HoldReInstReq}}; - if (GrabWord(string(Start,I-Start),FlagList, - _count(FlagList),Pkg->InstState) == false) + {"hold-reinstreq",pkgCache::State::HoldReInstReq}, + {}}; + if (GrabWord(string(Start,I-Start),FlagList,Pkg->InstState) == false) return _error->Error("Malformed 2nd word in the Status line"); // Isloate the last word @@ -241,9 +246,9 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg, {"half-installed",pkgCache::State::HalfInstalled}, {"config-files",pkgCache::State::ConfigFiles}, {"post-inst-failed",pkgCache::State::HalfConfigured}, - {"removal-failed",pkgCache::State::HalfInstalled}}; - if (GrabWord(string(Start,I-Start),StatusList, - _count(StatusList),Pkg->CurrentState) == false) + {"removal-failed",pkgCache::State::HalfInstalled}, + {}}; + if (GrabWord(string(Start,I-Start),StatusList,Pkg->CurrentState) == false) return _error->Error("Malformed 3rd word in the Status line"); /* A Status line marks the package as indicating the current @@ -266,9 +271,67 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg, // --------------------------------------------------------------------- /* This parses the dependency elements out of a standard string in place, bit by bit. */ +const char *debListParser::ConvertRelation(const char *I,unsigned int &Op) +{ + // Determine the operator + switch (*I) + { + case '<': + I++; + if (*I == '=') + { + I++; + Op = pkgCache::Dep::LessEq; + break; + } + + if (*I == '<') + { + I++; + Op = pkgCache::Dep::Less; + break; + } + + // < is the same as <= and << is really Cs < for some reason + Op = pkgCache::Dep::LessEq; + break; + + case '>': + I++; + if (*I == '=') + { + I++; + Op = pkgCache::Dep::GreaterEq; + break; + } + + if (*I == '>') + { + I++; + Op = pkgCache::Dep::Greater; + break; + } + + // > is the same as >= and >> is really Cs > for some reason + Op = pkgCache::Dep::GreaterEq; + break; + + case '=': + Op = pkgCache::Dep::Equals; + I++; + break; + + // HACK around bad package definitions + default: + Op = pkgCache::Dep::Equals; + break; + } + return I; +} + const char *debListParser::ParseDepends(const char *Start,const char *Stop, string &Package,string &Ver, - unsigned int &Op) + unsigned int &Op, bool ParseArchFlags) { // Strip off leading space for (;Start != Stop && isspace(*Start) != 0; Start++); @@ -298,60 +361,7 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop, for (I++; I != Stop && isspace(*I) != 0 ; I++); if (I + 3 >= Stop) return 0; - - // Determine the operator - switch (*I) - { - case '<': - I++; - if (*I == '=') - { - I++; - Op = pkgCache::Dep::LessEq; - break; - } - - if (*I == '<') - { - I++; - Op = pkgCache::Dep::Less; - break; - } - - // < is the same as <= and << is really Cs < for some reason - Op = pkgCache::Dep::LessEq; - break; - - case '>': - I++; - if (*I == '=') - { - I++; - Op = pkgCache::Dep::GreaterEq; - break; - } - - if (*I == '>') - { - I++; - Op = pkgCache::Dep::Greater; - break; - } - - // > is the same as >= and >> is really Cs > for some reason - Op = pkgCache::Dep::GreaterEq; - break; - - case '=': - Op = pkgCache::Dep::Equals; - I++; - break; - - // HACK around bad package definitions - default: - Op = pkgCache::Dep::Equals; - break; - } + I = ConvertRelation(I,Op); // Skip whitespace for (;I != Stop && isspace(*I) != 0; I++); @@ -375,6 +385,50 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop, // Skip whitespace for (;I != Stop && isspace(*I) != 0; I++); + + if (ParseArchFlags == true) + { + string arch = _config->Find("APT::Architecture"); + + // Parse an architecture + if (I != Stop && *I == '[') + { + // malformed + I++; + if (I == Stop) + return 0; + + const char *End = I; + bool Found = false; + while (I != Stop) + { + // look for whitespace or ending ']' + while (End != Stop && !isspace(*End) && *End != ']') + End++; + + if (End == Stop) + return 0; + + if (stringcmp(I,End,arch.begin(),arch.end()) == 0) + Found = true; + + if (*End++ == ']') { + I = End; + break; + } + + I = End; + for (;I != Stop && isspace(*I) != 0; I++); + } + + if (Found == false) + Package = ""; /* not for this arch */ + } + + // Skip whitespace + for (;I != Stop && isspace(*I) != 0; I++); + } + if (I != Stop && *I == '|') Op |= pkgCache::Dep::Or; @@ -453,10 +507,9 @@ bool debListParser::ParseProvides(pkgCache::VerIterator Ver) // ListParser::GrabWord - Matches a word and returns /*{{{*/ // --------------------------------------------------------------------- /* Looks for a word in a list of words - for ParseStatus */ -bool debListParser::GrabWord(string Word,WordList *List,int Count, - unsigned char &Out) +bool debListParser::GrabWord(string Word,WordList *List,unsigned char &Out) { - for (int C = 0; C != Count; C++) + for (unsigned int C = 0; List[C].Str != 0; C++) { if (strcasecmp(Word.c_str(),List[C].Str) == 0) { @@ -500,7 +553,7 @@ bool debListParser::Step() bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator FileI, FileFd &File) { - pkgTagFile Tags(File); + pkgTagFile Tags(&File); pkgTagSection Section; if (Tags.Step(Section) == false) return false; @@ -527,3 +580,15 @@ bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator FileI, return !_error->PendingError(); } /*}}}*/ +// ListParser::GetPrio - Convert the priority from a string /*{{{*/ +// --------------------------------------------------------------------- +/* */ +unsigned char debListParser::GetPrio(string Str) +{ + unsigned char Out; + if (GrabWord(Str,PrioList,Out) == false) + Out = pkgCache::State::Extra; + + return Out; +} + /*}}}*/ |