Release 1.4~beta1

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

diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc
index b81efe42afcc7a106743874839fe5ba52aea37b8..200a7f2fdc7e6269974fb73b88d9804097a72d32 100644 (file)
--- a/apt-pkg/tagfile.cc
+++ b/apt-pkg/tagfile.cc
@@ -14,6 +14,7 @@
 #include<config.h>
 
 #include <apt-pkg/tagfile.h>
+#include <apt-pkg/tagfile-keys.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>
@@ -512,7 +513,8 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength, bool const R
 
    pkgTagSectionPrivate::TagData lastTagData(0);
    lastTagData.EndTag = 0;
-   unsigned long lastTagHash = 0;
+   Key lastTagKey = Key::Unknown;
+   unsigned int lastTagHash = 0;
    while (Stop < End)
    {
       TrimRecord(true,End);
@@ -528,11 +530,15 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength, bool const R
         // store the last found tag
         if (lastTagData.EndTag != 0)
         {
-           if (BetaIndexes[lastTagHash] != 0)
-              lastTagData.NextInBucket = BetaIndexes[lastTagHash];
-           APT_IGNORE_DEPRECATED_PUSH
-           BetaIndexes[lastTagHash] = TagCount;
-           APT_IGNORE_DEPRECATED_POP
+           if (lastTagKey != Key::Unknown) {
+              AlphaIndexes[static_cast<size_t>(lastTagKey)] = TagCount;
+           } else {
+              if (BetaIndexes[lastTagHash] != 0)
+                 lastTagData.NextInBucket = BetaIndexes[lastTagHash];
+              APT_IGNORE_DEPRECATED_PUSH
+              BetaIndexes[lastTagHash] = TagCount;
+              APT_IGNORE_DEPRECATED_POP
+           }
            d->Tags.push_back(lastTagData);
         }
 
@@ -549,7 +555,9 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength, bool const R
            ;
         ++EndTag;
         lastTagData.EndTag = EndTag - Section;
-        lastTagHash = BetaHash(Stop, EndTag - Stop);
+        lastTagKey = pkgTagHash(Stop, EndTag - Stop);
+        if (lastTagKey == Key::Unknown)
+           lastTagHash = BetaHash(Stop, EndTag - Stop);
         // find the beginning of the value
         Stop = Colon + 1;
         for (; Stop < End && isspace_ascii(*Stop) != 0; ++Stop)
@@ -574,9 +582,13 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength, bool const R
       {
         if (lastTagData.EndTag != 0)
         {
-           if (BetaIndexes[lastTagHash] != 0)
-              lastTagData.NextInBucket = BetaIndexes[lastTagHash];
-           APT_IGNORE_DEPRECATED(BetaIndexes[lastTagHash] = TagCount;)
+           if (lastTagKey != Key::Unknown) {
+              AlphaIndexes[static_cast<size_t>(lastTagKey)] = TagCount;
+           } else {
+              if (BetaIndexes[lastTagHash] != 0)
+                 lastTagData.NextInBucket = BetaIndexes[lastTagHash];
+              APT_IGNORE_DEPRECATED(BetaIndexes[lastTagHash] = TagCount;)
+           }
            d->Tags.push_back(lastTagData);
         }
 
@@ -620,10 +632,20 @@ bool pkgTagSection::Exists(StringView Tag) const
 // TagSection::Find - Locate a tag                                     /*{{{*/
 // ---------------------------------------------------------------------
 /* This searches the section for a tag that matches the given string. */
+bool pkgTagSection::Find(Key key,unsigned int &Pos) const
+{
+   auto Bucket = AlphaIndexes[static_cast<size_t>(key)];
+   Pos = Bucket - 1;
+   return Bucket != 0;
+}
 bool pkgTagSection::Find(StringView TagView,unsigned int &Pos) const
 {
    const char * const Tag = TagView.data();
    size_t const Length = TagView.length();
+   auto key = pkgTagHash(Tag, Length);
+   if (key != Key::Unknown)
+      return Find(key, Pos);
+
    unsigned int Bucket = BetaIndexes[BetaHash(Tag, Length)];
    if (Bucket == 0)
       return false;
@@ -663,6 +685,12 @@ bool pkgTagSection::Find(StringView Tag,const char *&Start,
 {
    unsigned int Pos;
    return Find(Tag, Pos) && FindInternal(Pos, Start, End);
+}
+bool pkgTagSection::Find(Key key,const char *&Start,
+                        const char *&End) const
+{
+   unsigned int Pos;
+   return Find(key, Pos) && FindInternal(Pos, Start, End);
 }
                                                                        /*}}}*/
 // TagSection::FindS - Find a string                                   /*{{{*/
@@ -673,6 +701,14 @@ StringView pkgTagSection::Find(StringView Tag) const
    if (Find(Tag,Start,End) == false)
       return StringView();
    return StringView(Start, End - Start);
+}
+StringView pkgTagSection::Find(Key key) const
+{
+   const char *Start;
+   const char *End;
+   if (Find(key,Start,End) == false)
+      return StringView();
+   return StringView(Start, End - Start);
 }
                                                                        /*}}}*/
 // TagSection::FindRawS - Find a string                                        /*{{{*/
@@ -692,6 +728,11 @@ StringView pkgTagSection::FindRaw(StringView Tag) const
 {
    unsigned int Pos;
    return Find(Tag, Pos) ? FindRawInternal(Pos) : "";
+}
+StringView pkgTagSection::FindRaw(Key key) const
+{
+   unsigned int Pos;
+   return Find(key, Pos) ? FindRawInternal(Pos) : "";
 }
                                                                        /*}}}*/
 // TagSection::FindI - Find an integer                                 /*{{{*/
@@ -723,6 +764,12 @@ signed int pkgTagSection::FindIInternal(unsigned int Pos,signed long Default) co
       return Default;
    return Result;
 }
+signed int pkgTagSection::FindI(Key key,signed long Default) const
+{
+   unsigned int Pos;
+
+   return Find(key, Pos) ? FindIInternal(Pos) : Default;
+}
 signed int pkgTagSection::FindI(StringView Tag,signed long Default) const
 {
    unsigned int Pos;
@@ -753,6 +800,12 @@ unsigned long long pkgTagSection::FindULLInternal(unsigned int Pos, unsigned lon
       return Default;
    return Result;
 }
+unsigned long long pkgTagSection::FindULL(Key key, unsigned long long const &Default) const
+{
+   unsigned int Pos;
+
+   return Find(key, Pos) ? FindULLInternal(Pos, Default) : Default;
+}
 unsigned long long pkgTagSection::FindULL(StringView Tag, unsigned long long const &Default) const
 {
    unsigned int Pos;
@@ -770,6 +823,11 @@ bool pkgTagSection::FindBInternal(unsigned int Pos, bool Default) const
       return Default;
    return StringToBool(string(Start, Stop));
 }
+bool pkgTagSection::FindB(Key key, bool Default) const
+{
+   unsigned int Pos;
+   return Find(key, Pos) ? FindBInternal(Pos, Default): Default;
+}
 bool pkgTagSection::FindB(StringView Tag, bool Default) const
 {
    unsigned int Pos;
@@ -788,6 +846,14 @@ bool pkgTagSection::FindFlagInternal(unsigned int Pos, uint8_t &Flags,
       return true;
    return FindFlag(Flags, Flag, Start, Stop);
 }
+bool pkgTagSection::FindFlag(Key key, uint8_t &Flags,
+                            uint8_t const Flag) const
+{
+   unsigned int Pos;
+   if (Find(key,Pos) == false)
+      return true;
+   return FindFlagInternal(Pos, Flags, Flag);
+}
 bool pkgTagSection::FindFlag(StringView Tag, uint8_t &Flags,
                             uint8_t const Flag) const
 {
@@ -824,6 +890,12 @@ bool pkgTagSection::FindFlagInternal(unsigned int Pos,unsigned long &Flags,
       return true;
    return FindFlag(Flags, Flag, Start, Stop);
 }
+bool pkgTagSection::FindFlag(Key key,unsigned long &Flags,
+                            unsigned long Flag) const
+{
+   unsigned int Pos;
+   return Find(key, Pos) ? FindFlagInternal(Pos, Flags, Flag) : true;
+}
 bool pkgTagSection::FindFlag(StringView Tag,unsigned long &Flags,
                             unsigned long Flag) const
 {