X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/dcb79bae22bd3e4739db39e56d00b4d65ff42269..e5a1f2ff4cd1300364c7c644958583a8af704173:/apt-pkg/deb/deblistparser.cc?ds=sidebyside diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc index 4c37eb775..157a465f4 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 1.3 1998/07/05 05:34:00 jgg Exp $ +// $Id: deblistparser.cc,v 1.17 1999/02/21 08:38:53 jgg Exp $ /* ###################################################################### Package Cache Generator - Generator for the cache structure. @@ -10,52 +10,19 @@ ##################################################################### */ /*}}}*/ // Include Files /*{{{*/ -#include -#include +#include +#include +#include +#include + #include /*}}}*/ // ListParser::debListParser - Constructor /*{{{*/ // --------------------------------------------------------------------- /* */ -debListParser::debListParser(File &File) : Tags(File) -{ -} - /*}}}*/ -// ListParser::FindTag - Find the tag and return a string /*{{{*/ -// --------------------------------------------------------------------- -/* */ -string debListParser::FindTag(const char *Tag) -{ - const char *Start; - const char *Stop; - if (Section.Find(Tag,Start,Stop) == false) - return string(); - return string(Start,Stop - Start); -} - /*}}}*/ -// ListParser::FindTagI - Find the tag and return an int /*{{{*/ -// --------------------------------------------------------------------- -/* */ -signed long debListParser::FindTagI(const char *Tag,signed long Default) +debListParser::debListParser(FileFd &File) : Tags(File) { - const char *Start; - const char *Stop; - if (Section.Find(Tag,Start,Stop) == false) - return Default; - - // Copy it into a temp buffer so we can use strtol - char S[300]; - if ((unsigned)(Stop - Start) >= sizeof(S)) - return Default; - strncpy(S,Start,Stop-Start); - S[Stop - Start] = 0; - - char *End; - signed long Result = strtol(S,&End,10); - if (S == End) - return Default; - return Result; } /*}}}*/ // ListParser::UniqFindTagWrite - Find the tag and write a unq string /*{{{*/ @@ -70,47 +37,14 @@ unsigned long debListParser::UniqFindTagWrite(const char *Tag) return WriteUniqString(Start,Stop - Start); } /*}}}*/ -// ListParser::HandleFlag - Sets a flag variable based on a tag /*{{{*/ -// --------------------------------------------------------------------- -/* This checks the tag for true/false yes/no etc */ -bool debListParser::HandleFlag(const char *Tag,unsigned long &Flags, - unsigned long Flag) -{ - const char *Start; - const char *Stop; - if (Section.Find(Tag,Start,Stop) == false) - return true; - - int Set = 2; - if (strncasecmp(Start,"yes",Stop - Start) == 0) - Set = 1; - if (strncasecmp(Start,"true",Stop - Start) == 0) - Set = 1; - if (strncasecmp(Start,"no",Stop - Start) == 0) - Set = 0; - if (strncasecmp(Start,"false",Stop - Start) == 0) - Set = 0; - if (Set == 2) - { - _error->Warning("Unknown flag value"); - return true; - } - - if (Set == 0) - Flags &= ~Flag; - if (Set == 1) - Flags |= Flag; - return true; -} - /*}}}*/ // ListParser::Package - Return the package name /*{{{*/ // --------------------------------------------------------------------- /* This is to return the name of the package this section describes */ string debListParser::Package() { - string Result = FindTag("Package"); + string Result = Section.FindS("Package"); if (Result.empty() == true) - _error->Error("Encoutered a section with no Package: header"); + _error->Error("Encountered a section with no Package: header"); return Result; } /*}}}*/ @@ -121,7 +55,7 @@ string debListParser::Package() entry is assumed to only describe package properties */ string debListParser::Version() { - return FindTag("Version"); + return Section.FindS("Version"); } /*}}}*/ // ListParser::NewVersion - Fill in the version structure /*{{{*/ @@ -130,16 +64,14 @@ string debListParser::Version() bool debListParser::NewVersion(pkgCache::VerIterator Ver) { // Parse the section - if ((Ver->Section = UniqFindTagWrite("Section")) == 0) - return _error->Warning("Missing Section tag"); + Ver->Section = UniqFindTagWrite("Section"); + Ver->Arch = UniqFindTagWrite("Architecture"); // Archive Size - if ((Ver->Size = (unsigned)FindTagI("Size")) == 0) - return _error->Error("Unparsable Size field"); + Ver->Size = (unsigned)Section.FindI("Size"); // Unpacked Size (in K) - if ((Ver->InstalledSize = (unsigned)FindTagI("Installed-Size")) == 0) - return _error->Error("Unparsable Installed-Size field"); + Ver->InstalledSize = (unsigned)Section.FindI("Installed-Size"); Ver->InstalledSize *= 1024; // Priority @@ -147,27 +79,27 @@ bool debListParser::NewVersion(pkgCache::VerIterator Ver) const char *Stop; if (Section.Find("Priority",Start,Stop) == true) { - WordList PrioList[] = {{"important",pkgCache::Important}, - {"required",pkgCache::Required}, - {"standard",pkgCache::Standard}, - {"optional",pkgCache::Optional}, - {"extra",pkgCache::Extra}}; + 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) return _error->Error("Malformed Priority line"); } - if (ParseDepends(Ver,"Depends",pkgCache::Depends) == false) + if (ParseDepends(Ver,"Depends",pkgCache::Dep::Depends) == false) return false; - if (ParseDepends(Ver,"PreDepends",pkgCache::PreDepends) == false) + if (ParseDepends(Ver,"Pre-Depends",pkgCache::Dep::PreDepends) == false) return false; - if (ParseDepends(Ver,"Suggests",pkgCache::Suggests) == false) + if (ParseDepends(Ver,"Suggests",pkgCache::Dep::Suggests) == false) return false; - if (ParseDepends(Ver,"Recommends",pkgCache::Recommends) == false) + if (ParseDepends(Ver,"Recommends",pkgCache::Dep::Recommends) == false) return false; - if (ParseDepends(Ver,"Conflicts",pkgCache::Conflicts) == false) + if (ParseDepends(Ver,"Conflicts",pkgCache::Dep::Conflicts) == false) return false; - if (ParseDepends(Ver,"Replaces",pkgCache::Depends) == false) + if (ParseDepends(Ver,"Replaces",pkgCache::Dep::Replaces) == false) return false; if (ParseProvides(Ver) == false) @@ -184,12 +116,15 @@ bool debListParser::UsePackage(pkgCache::PkgIterator Pkg, pkgCache::VerIterator Ver) { if (Pkg->Section == 0) - if ((Pkg->Section = UniqFindTagWrite("Section")) == 0) - return false; - if (HandleFlag("Essential",Pkg->Flags,pkgCache::Essential) == false) + Pkg->Section = UniqFindTagWrite("Section"); + if (Section.FindFlag("Essential",Pkg->Flags,pkgCache::Flag::Essential) == false) return false; - if (HandleFlag("Immediate-Configure",Pkg->Flags,pkgCache::ImmediateConf) == false) + if (Section.FindFlag("Important",Pkg->Flags,pkgCache::Flag::Important) == false) return false; + + if (strcmp(Pkg.Name(),"apt") == 0) + Pkg->Flags |= pkgCache::Flag::Important; + if (ParseStatus(Pkg,Ver) == false) return false; return true; @@ -223,11 +158,11 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg, return _error->Error("Malformed Status line"); // Process the want field - WordList WantList[] = {{"unknown",pkgCache::Unknown}, - {"install",pkgCache::Install}, - {"hold",pkgCache::Hold}, - {"deinstall",pkgCache::DeInstall}, - {"purge",pkgCache::Purge}}; + WordList WantList[] = {{"unknown",pkgCache::State::Unknown}, + {"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) return _error->Error("Malformed 1st word in the Status line"); @@ -240,10 +175,10 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg, return _error->Error("Malformed status line, no 2nd word"); // Process the flag field - WordList FlagList[] = {{"ok",pkgCache::Ok}, - {"reinstreq",pkgCache::ReInstReq}, - {"hold",pkgCache::HoldInst}, - {"hold-reinstreq",pkgCache::HoldReInstReq}}; + 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) return _error->Error("Malformed 2nd word in the Status line"); @@ -256,15 +191,15 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg, return _error->Error("Malformed Status line, no 3rd word"); // Process the flag field - WordList StatusList[] = {{"not-installed",pkgCache::NotInstalled}, - {"unpacked",pkgCache::UnPacked}, - {"half-configured",pkgCache::HalfConfigured}, - {"installed",pkgCache::Installed}, - {"uninstalled",pkgCache::UnInstalled}, - {"half-installed",pkgCache::HalfInstalled}, - {"config-files",pkgCache::ConfigFiles}, - {"post-inst-failed",pkgCache::HalfConfigured}, - {"removal-failed",pkgCache::HalfInstalled}}; + WordList StatusList[] = {{"not-installed",pkgCache::State::NotInstalled}, + {"unpacked",pkgCache::State::UnPacked}, + {"half-configured",pkgCache::State::HalfConfigured}, + {"installed",pkgCache::State::Installed}, + {"uninstalled",pkgCache::State::UnInstalled}, + {"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) return _error->Error("Malformed 3rd word in the Status line"); @@ -273,8 +208,8 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg, version as well. Only if it is actually installed.. Otherwise the interesting dpkg handling of the status file creates bogus entries. */ - if (!(Pkg->CurrentState == pkgCache::NotInstalled || - Pkg->CurrentState == pkgCache::ConfigFiles)) + if (!(Pkg->CurrentState == pkgCache::State::NotInstalled || + Pkg->CurrentState == pkgCache::State::ConfigFiles)) { if (Ver.end() == true) _error->Warning("Encountered status field in a non-version description"); @@ -330,19 +265,19 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop, if (*I == '=') { I++; - Op = pkgCache::LessEq; + Op = pkgCache::Dep::LessEq; break; } if (*I == '<') { I++; - Op = pkgCache::Less; + Op = pkgCache::Dep::Less; break; } // < is the same as <= and << is really Cs < for some reason - Op = pkgCache::LessEq; + Op = pkgCache::Dep::LessEq; break; case '>': @@ -350,29 +285,29 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop, if (*I == '=') { I++; - Op = pkgCache::GreaterEq; + Op = pkgCache::Dep::GreaterEq; break; } if (*I == '>') { I++; - Op = pkgCache::Greater; + Op = pkgCache::Dep::Greater; break; } // > is the same as >= and >> is really Cs > for some reason - Op = pkgCache::GreaterEq; + Op = pkgCache::Dep::GreaterEq; break; case '=': - Op = pkgCache::Equals; + Op = pkgCache::Dep::Equals; I++; break; // HACK around bad package definitions default: - Op = pkgCache::Equals; + Op = pkgCache::Dep::Equals; break; } @@ -389,13 +324,13 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop, else { Ver = string(); - Op = pkgCache::NoOp; + Op = pkgCache::Dep::NoOp; } // Skip whitespace for (;I != Stop && isspace(*I) != 0; I++); if (I != Stop && *I == '|') - Op |= pkgCache::Or; + Op |= pkgCache::Dep::Or; if (I == Stop || *I == ',' || *I == '|') { @@ -423,13 +358,16 @@ bool debListParser::ParseDepends(pkgCache::VerIterator Ver, string Version; unsigned int Op; - while ((Start = ParseDepends(Start,Stop,Package,Version,Op)) != Stop) + while (1) { + Start = ParseDepends(Start,Stop,Package,Version,Op); if (Start == 0) return _error->Error("Problem parsing dependency %s",Tag); - + if (NewDepends(Ver,Package,Version,Op,Type) == false) return false; + if (Start == Stop) + break; } return true; } @@ -453,7 +391,7 @@ bool debListParser::ParseProvides(pkgCache::VerIterator Ver) Start = ParseDepends(Start,Stop,Package,Version,Op); if (Start == 0) return _error->Error("Problem parsing Provides line"); - if (Op != pkgCache::NoOp) + if (Op != pkgCache::Dep::NoOp) return _error->Error("Malformed provides line"); if (NewProvides(Ver,Package,Version) == false) @@ -489,6 +427,7 @@ bool debListParser::GrabWord(string Word,WordList *List,int Count, bool debListParser::Step() { iOffset = Tags.Offset(); + string Arch = _config->Find("APT::architecture"); while (Tags.Step(Section) == true) { /* See if this is the correct Architecture, if it isnt then we @@ -497,13 +436,11 @@ bool debListParser::Step() const char *Stop; if (Section.Find("Architecture",Start,Stop) == false) return true; - - if (strncmp(Start,"i386",Stop - Start) == 0 && - strlen("i386") == (unsigned)(Stop - Start)) + + if (stringcmp(Start,Stop,Arch.begin(),Arch.end()) == 0) return true; - if (strncmp(Start,"all",Stop - Start) == 0 && - 3 == (unsigned)(Stop - Start)) + if (stringcmp(Start,Stop,"all") == 0) return true; iOffset = Tags.Offset(); @@ -511,3 +448,36 @@ bool debListParser::Step() return false; } /*}}}*/ +// ListParser::LoadReleaseInfo - Load the release information /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator FileI, + FileFd &File) +{ + pkgTagFile Tags(File); + pkgTagSection Section; + if (Tags.Step(Section) == false) + return false; + + const char *Start; + const char *Stop; + if (Section.Find("Archive",Start,Stop) == true) + FileI->Archive = WriteUniqString(Start,Stop - Start); + if (Section.Find("Component",Start,Stop) == true) + FileI->Component = WriteUniqString(Start,Stop - Start); + if (Section.Find("Version",Start,Stop) == true) + FileI->Version = WriteUniqString(Start,Stop - Start); + if (Section.Find("Origin",Start,Stop) == true) + FileI->Origin = WriteUniqString(Start,Stop - Start); + if (Section.Find("Label",Start,Stop) == true) + FileI->Label = WriteUniqString(Start,Stop - Start); + if (Section.Find("Architecture",Start,Stop) == true) + FileI->Architecture = WriteUniqString(Start,Stop - Start); + + if (Section.FindFlag("NotAutomatic",FileI->Flags, + pkgCache::Flag::NotAutomatic) == false) + _error->Warning("Bad NotAutomatic flag"); + + return !_error->PendingError(); +} + /*}}}*/