// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: deblistparser.cc,v 1.1 1998/07/04 05:58:08 jgg Exp $
+// $Id: deblistparser.cc,v 1.10 1998/08/09 00:51:35 jgg Exp $
/* ######################################################################
Package Cache Generator - Generator for the cache structure.
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#include <pkglib/deblistparser.h>
-#include <pkglib/error.h>
+#include <apt-pkg/deblistparser.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/configuration.h>
+#include <strutl.h>
+
#include <system.h>
/*}}}*/
// ListParser::debListParser - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
-debListParser::debListParser(File &File) : Tags(File)
+debListParser::debListParser(FileFd &File) : Tags(File)
{
- Step();
}
/*}}}*/
// ListParser::FindTag - Find the tag and return a 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)
+{
+ 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 /*{{{*/
// ---------------------------------------------------------------------
/* */
return true;
int Set = 2;
- if (strncasecmp(Start,"yes",Stop - Start) == 0)
+ if (stringcasecmp(Start,Stop,"yes") == 0)
Set = 1;
- if (strncasecmp(Start,"true",Stop - Start) == 0)
+ if (stringcasecmp(Start,Stop,"true") == 0)
Set = 1;
- if (strncasecmp(Start,"no",Stop - Start) == 0)
+ if (stringcasecmp(Start,Stop,"no") == 0)
Set = 0;
- if (strncasecmp(Start,"false",Stop - Start) == 0)
+ if (stringcasecmp(Start,Stop,"false") == 0)
Set = 0;
if (Set == 2)
{
return FindTag("Version");
}
/*}}}*/
-// ListParser::NewPackage - Fill in the package structure /*{{{*/
-// ---------------------------------------------------------------------
-/* This is called when a new package structure is created. It must fill
- in the static package information. */
-bool debListParser::NewPackage(pkgCache::PkgIterator Pkg)
-{
- // Debian doesnt have anything, everything is condionally megered
- return true;
-}
- /*}}}*/
// ListParser::NewVersion - Fill in the version structure /*{{{*/
// ---------------------------------------------------------------------
/* */
bool debListParser::NewVersion(pkgCache::VerIterator Ver)
-{
+{
+ // Parse the section
+ Ver->Section = UniqFindTagWrite("Section");
+
+ // Archive Size
+ Ver->Size = (unsigned)FindTagI("Size");
+
+ // Unpacked Size (in K)
+ Ver->InstalledSize = (unsigned)FindTagI("Installed-Size");
+ Ver->InstalledSize *= 1024;
+
+ // Priority
+ 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)
+ return _error->Error("Malformed Priority line");
+ }
+
+ if (ParseDepends(Ver,"Depends",pkgCache::Dep::Depends) == false)
+ return false;
+ if (ParseDepends(Ver,"Pre-Depends",pkgCache::Dep::PreDepends) == false)
+ return false;
+ if (ParseDepends(Ver,"Suggests",pkgCache::Dep::Suggests) == false)
+ return false;
+ if (ParseDepends(Ver,"Recommends",pkgCache::Dep::Recommends) == false)
+ return false;
+ if (ParseDepends(Ver,"Conflicts",pkgCache::Dep::Conflicts) == false)
+ return false;
+ if (ParseDepends(Ver,"Replaces",pkgCache::Dep::Replaces) == false)
+ return false;
+
+ if (ParseProvides(Ver) == false)
+ return false;
+
return true;
}
/*}}}*/
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 (HandleFlag("Essential",Pkg->Flags,pkgCache::Flag::Essential) == false)
return false;
- if (HandleFlag("Immediate-Configure",Pkg->Flags,pkgCache::ImmediateConf) == false)
+ if (HandleFlag("Immediate-Configure",Pkg->Flags,pkgCache::Flag::ImmediateConf) == false)
return false;
if (ParseStatus(Pkg,Ver) == false)
return false;
return true;
}
/*}}}*/
-// ListParser::ParseStatus - Parse the status feild /*{{{*/
+// ListParser::ParseStatus - Parse the status field /*{{{*/
// ---------------------------------------------------------------------
/* Status lines are of the form,
Status: want flag status
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");
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");
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");
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");
Pkg->CurrentVer = Ver.Index();
}
+ return true;
+}
+ /*}}}*/
+// ListParser::ParseDepends - Parse a dependency element /*{{{*/
+// ---------------------------------------------------------------------
+/* 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,
+ string &Package,string &Ver,
+ unsigned int &Op)
+{
+ // Strip off leading space
+ 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++);
+
+ // Malformed, no '('
+ if (I != Stop && *I == ')')
+ return 0;
+
+ if (I == Start)
+ return 0;
+
+ // Stash the package name
+ Package.assign(Start,I - Start);
+
+ // Skip white space to the '('
+ for (;I != Stop && isspace(*I) != 0 ; I++);
+
+ // Parse a version
+ if (I != Stop && *I == '(')
+ {
+ // Skip the '('
+ 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;
+ }
+
+ // Skip whitespace
+ for (;I != Stop && isspace(*I) != 0; I++);
+ Start = I;
+ for (;I != Stop && *I != ')'; I++);
+ if (I == Stop || Start == I)
+ return 0;
+
+ Ver = string(Start,I-Start);
+ I++;
+ }
+ else
+ {
+ Ver = string();
+ Op = pkgCache::Dep::NoOp;
+ }
+
+ // Skip whitespace
+ for (;I != Stop && isspace(*I) != 0; I++);
+ if (I != Stop && *I == '|')
+ Op |= pkgCache::Dep::Or;
+
+ if (I == Stop || *I == ',' || *I == '|')
+ {
+ if (I != Stop)
+ for (I++; I != Stop && isspace(*I) != 0; I++);
+ return I;
+ }
+
+ return 0;
+}
+ /*}}}*/
+// ListParser::ParseDepends - Parse a dependency list /*{{{*/
+// ---------------------------------------------------------------------
+/* This is the higher level depends parser. It takes a tag and generates
+ a complete depends tree for the given version. */
+bool debListParser::ParseDepends(pkgCache::VerIterator Ver,
+ const char *Tag,unsigned int Type)
+{
+ const char *Start;
+ const char *Stop;
+ if (Section.Find(Tag,Start,Stop) == false)
+ return true;
+
+ string Package;
+ string Version;
+ unsigned int Op;
+
+ 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;
+}
+ /*}}}*/
+// ListParser::ParseProvides - Parse the provides list /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool debListParser::ParseProvides(pkgCache::VerIterator Ver)
+{
+ const char *Start;
+ const char *Stop;
+ if (Section.Find("Provides",Start,Stop) == false)
+ return true;
+
+ string Package;
+ string Version;
+ unsigned int Op;
+
+ while (1)
+ {
+ Start = ParseDepends(Start,Stop,Package,Version,Op);
+ if (Start == 0)
+ return _error->Error("Problem parsing Provides line");
+ if (Op != pkgCache::Dep::NoOp)
+ return _error->Error("Malformed provides line");
+
+ if (NewProvides(Ver,Package,Version) == false)
+ return false;
+
+ if (Start == Stop)
+ break;
+ }
+
return true;
}
/*}}}*/
/*}}}*/
// ListParser::Step - Move to the next section in the file /*{{{*/
// ---------------------------------------------------------------------
-/* */
+/* This has to be carefull to only process the correct architecture */
bool debListParser::Step()
{
- return Tags.Step(Section);
+ 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
+ drop the whole section */
+ const char *Start;
+ const char *Stop;
+ if (Section.Find("Architecture",Start,Stop) == false)
+ return true;
+
+ if (stringcmp(Start,Stop,Arch.begin(),Arch.end()) == 0)
+ return true;
+
+ if (stringcmp(Start,Stop,"all") == 0)
+ return true;
+
+ iOffset = Tags.Offset();
+ }
+ return false;
}
/*}}}*/
projects / apt.git / blobdiff