do not call resolver twice on (dist-)upgrade

[apt.git] / apt-pkg / srcrecords.cc

diff --git a/apt-pkg/srcrecords.cc b/apt-pkg/srcrecords.cc
index b368322f5cbd60432c20f9458f95cbbc11072f16..81b1c545de7cc619ba003ea0c6e4ff6769019844 100644 (file)
--- a/apt-pkg/srcrecords.cc
+++ b/apt-pkg/srcrecords.cc
@@ -16,7 +16,13 @@
 #include <apt-pkg/srcrecords.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/sourcelist.h>
-#include <apt-pkg/strutl.h>
+#include <apt-pkg/metaindex.h>
+#include <apt-pkg/indexfile.h>
+#include <apt-pkg/macros.h>
+
+#include <string.h>
+#include <string>
+#include <vector>
 
 #include <apti18n.h>
                                                                        /*}}}*/
@@ -24,13 +30,13 @@
 // SrcRecords::pkgSrcRecords - Constructor                             /*{{{*/
 // ---------------------------------------------------------------------
 /* Open all the source index files */
-pkgSrcRecords::pkgSrcRecords(pkgSourceList &List) : Files(0), Current(0)
+pkgSrcRecords::pkgSrcRecords(pkgSourceList &List) : d(NULL), Files(0), Current(0)
 {
-   for (pkgSourceList::const_iterator I = List.begin(); I != List.end(); I++)
+   for (pkgSourceList::const_iterator I = List.begin(); I != List.end(); ++I)
    {
-      vector<pkgIndexFile *> *Indexes = (*I)->GetIndexFiles();
-      for (vector<pkgIndexFile *>::const_iterator J = Indexes->begin();
-          J != Indexes->end(); J++)
+      std::vector<pkgIndexFile *> *Indexes = (*I)->GetIndexFiles();
+      for (std::vector<pkgIndexFile *>::const_iterator J = Indexes->begin();
+          J != Indexes->end(); ++J)
       {
          Parser* P = (*J)->CreateSrcParser();
         if (_error->PendingError() == true)
@@ -41,7 +47,7 @@ pkgSrcRecords::pkgSrcRecords(pkgSourceList &List) : Files(0), Current(0)
    }
    
    // Doesn't work without any source index files
-   if (Files.size() == 0)
+   if (Files.empty() == true)
    {
       _error->Error(_("You must put some 'source' URIs"
                    " in your sources.list"));
@@ -57,7 +63,7 @@ pkgSrcRecords::pkgSrcRecords(pkgSourceList &List) : Files(0), Current(0)
 pkgSrcRecords::~pkgSrcRecords()
 {
    // Blow away all the parser objects
-   for(vector<Parser*>::iterator I = Files.begin(); I != Files.end(); ++I)
+   for(std::vector<Parser*>::iterator I = Files.begin(); I != Files.end(); ++I)
       delete *I;
 }
                                                                        /*}}}*/
@@ -67,13 +73,35 @@ pkgSrcRecords::~pkgSrcRecords()
 bool pkgSrcRecords::Restart()
 {
    Current = Files.begin();
-   for (vector<Parser*>::iterator I = Files.begin();
-        I != Files.end(); I++)
-      (*I)->Restart();
-   
+   for (std::vector<Parser*>::iterator I = Files.begin();
+        I != Files.end(); ++I)
+      if ((*I)->Offset() != 0)
+        (*I)->Restart();
+
    return true;
 }
                                                                        /*}}}*/
+// SrcRecords::Step - Step to the next Source Record                   /*{{{*/
+// ---------------------------------------------------------------------
+/* Step to the next source package record */
+const pkgSrcRecords::Parser* pkgSrcRecords::Step()
+{
+   if (Current == Files.end())
+      return 0;
+
+   // Step to the next record, possibly switching files
+   while ((*Current)->Step() == false)
+   {
+      if (_error->PendingError() == true)
+         return 0;
+      ++Current;
+      if (Current == Files.end())
+         return 0;
+   }
+
+   return *Current;
+}
+                                                                       /*}}}*/
 // SrcRecords::Find - Find the first source package with the given name        /*{{{*/
 // ---------------------------------------------------------------------
 /* This searches on both source package names and output binary names and
@@ -81,21 +109,11 @@ bool pkgSrcRecords::Restart()
    function to be called multiple times to get successive entries */
 pkgSrcRecords::Parser *pkgSrcRecords::Find(const char *Package,bool const &SrcOnly)
 {
-   if (Current == Files.end())
-      return 0;
-   
    while (true)
    {
-      // Step to the next record, possibly switching files
-      while ((*Current)->Step() == false)
-      {
-        if (_error->PendingError() == true)
-           return 0;
-        Current++;
-        if (Current == Files.end())
-           return 0;
-      }
-      
+      if(Step() == 0)
+         return 0;
+
       // IO error somehow
       if (_error->PendingError() == true)
         return 0;
@@ -109,7 +127,7 @@ pkgSrcRecords::Parser *pkgSrcRecords::Find(const char *Package,bool const &SrcOn
       
       // Check for a binary hit
       const char **I = (*Current)->Binaries();
-      for (; I != 0 && *I != 0; I++)
+      for (; I != 0 && *I != 0; ++I)
         if (strcmp(Package,*I) == 0)
            return *Current;
    }
@@ -120,14 +138,13 @@ pkgSrcRecords::Parser *pkgSrcRecords::Find(const char *Package,bool const &SrcOn
 /* */
 const char *pkgSrcRecords::Parser::BuildDepType(unsigned char const &Type)
 {
-   const char *fields[] = {"Build-Depends", 
-                           "Build-Depends-Indep",
+   const char *fields[] = {"Build-Depends",
+                          "Build-Depends-Indep",
                           "Build-Conflicts",
                           "Build-Conflicts-Indep"};
-   if (Type < 4) 
-      return fields[Type]; 
-   else 
+   if (unlikely(Type >= sizeof(fields)/sizeof(fields[0])))
       return "";
+   return fields[Type];
 }
                                                                        /*}}}*/