Optimize VersionHash() to not need temporary copy of input

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

diff --git a/apt-pkg/indexfile.cc b/apt-pkg/indexfile.cc
index 06312c173213d72c7d18f5dfccdd09080b5e2428..934943205ae6722af43d011fda57bc9bfd4ad68b 100644 (file)
--- a/apt-pkg/indexfile.cc
+++ b/apt-pkg/indexfile.cc
@@ -19,14 +19,14 @@
 #include <apt-pkg/pkgcachegen.h>
 #include <apt-pkg/cacheiterators.h>
 #include <apt-pkg/srcrecords.h>
+#include <apt-pkg/strutl.h>
 #include <apt-pkg/progress.h>
+#include <apt-pkg/deblistparser.h>
 #include <apt-pkg/macros.h>
 
-#include <apt-pkg/deblistparser.h>
+#include <apt-pkg/debindexfile.h>
 
-#include <sys/types.h>
 #include <sys/stat.h>
-#include <unistd.h>
 
 #include <string>
 #include <vector>
@@ -67,8 +67,11 @@ pkgIndexFile::pkgIndexFile(bool const Trusted) :                     /*{{{*/
 }
                                                                        /*}}}*/
 // IndexFile::ArchiveInfo - Stub                                       /*{{{*/
-std::string pkgIndexFile::ArchiveInfo(pkgCache::VerIterator const &/*Ver*/) const
+std::string pkgIndexFile::ArchiveInfo(pkgCache::VerIterator const &Ver) const
 {
+   debDebPkgFileIndex const * const debfile = dynamic_cast<debDebPkgFileIndex const*>(this);
+   if (debfile != nullptr)
+      return debfile->ArchiveInfo_impl(Ver);
    return std::string();
 }
                                                                        /*}}}*/
@@ -86,19 +89,12 @@ std::string pkgIndexFile::SourceInfo(pkgSrcRecords::Parser const &/*Record*/,
 }
                                                                        /*}}}*/
 // IndexFile::TranslationsAvailable - Check if will use Translation    /*{{{*/
-// ---------------------------------------------------------------------
-/* */
 bool pkgIndexFile::TranslationsAvailable() {
        return (APT::Configuration::getLanguages().empty() != true);
 }
                                                                        /*}}}*/
 // IndexFile::CheckLanguageCode - Check the Language Code              /*{{{*/
-// ---------------------------------------------------------------------
-/* No intern need for this method anymore as the check for correctness
-   is already done in getLanguages(). Note also that this check is
-   rather bad (doesn't take three character like ast into account).
-   TODO: Remove method with next API break */
-APT_DEPRECATED bool pkgIndexFile::CheckLanguageCode(const char * const Lang)
+bool pkgIndexFile::CheckLanguageCode(const char * const Lang)
 {
   if (strlen(Lang) == 2 || (strlen(Lang) == 5 && Lang[2] == '_'))
     return true;
@@ -110,14 +106,12 @@ APT_DEPRECATED bool pkgIndexFile::CheckLanguageCode(const char * const Lang)
 }
                                                                        /*}}}*/
 // IndexFile::LanguageCode - Return the Language Code                  /*{{{*/
-// ---------------------------------------------------------------------
-/* As we have now possibly more than one LanguageCode this method is
-   supersided by a) private classmembers or b) getLanguages().
-   TODO: Remove method with next API break */
-APT_DEPRECATED std::string pkgIndexFile::LanguageCode() {
+std::string pkgIndexFile::LanguageCode() {
+APT_IGNORE_DEPRECATED_PUSH
        if (TranslationsAvailable() == false)
                return "";
        return APT::Configuration::getLanguages()[0];
+APT_IGNORE_DEPRECATED_POP
 }
                                                                        /*}}}*/
 
@@ -143,13 +137,30 @@ std::string IndexTarget::Option(OptionKeys const EnumKey) const           /*{{{*/
       APT_CASE(ARCHITECTURE);
       APT_CASE(BASE_URI);
       APT_CASE(REPO_URI);
+      APT_CASE(IDENTIFIER);
       APT_CASE(TARGET_OF);
       APT_CASE(CREATED_BY);
+      APT_CASE(FALLBACK_OF);
+      APT_CASE(PDIFFS);
+      APT_CASE(DEFAULTENABLED);
+      APT_CASE(COMPRESSIONTYPES);
+      APT_CASE(SOURCESENTRY);
+      APT_CASE(BY_HASH);
+      APT_CASE(KEEPCOMPRESSEDAS);
+      APT_CASE(ALLOW_INSECURE);
+      APT_CASE(ALLOW_WEAK);
+      APT_CASE(ALLOW_DOWNGRADE_TO_INSECURE);
 #undef APT_CASE
-      case FILENAME: return _config->FindDir("Dir::State::lists") + URItoFileName(URI);
+      case FILENAME:
+      {
+        auto const M = Options.find("FILENAME");
+        if (M == Options.end())
+           return _config->FindDir("Dir::State::lists") + URItoFileName(URI);
+        return M->second;
+      }
       case EXISTING_FILENAME:
         std::string const filename = Option(FILENAME);
-        std::vector<std::string> const types = APT::Configuration::getCompressionTypes();
+        std::vector<std::string> const types = VectorizeString(Option(COMPRESSIONTYPES), ' ');
         for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
         {
            if (t->empty())
@@ -166,6 +177,11 @@ std::string IndexTarget::Option(OptionKeys const EnumKey) const            /*{{{*/
    return M->second;
 }
                                                                        /*}}}*/
+bool IndexTarget::OptionBool(OptionKeys const EnumKey) const           /*{{{*/
+{
+   return StringToBool(Option(EnumKey), false);
+}
+                                                                       /*}}}*/
 std::string IndexTarget::Format(std::string format) const              /*{{{*/
 {
    for (std::map<std::string, std::string>::const_iterator O = Options.begin(); O != Options.end(); ++O)
@@ -204,7 +220,7 @@ std::string pkgDebianIndexTargetFile::IndexFileName() const                 /*{{{*/
    if (FileExists(s))
       return s;
 
-   std::vector<std::string> types = APT::Configuration::getCompressionTypes();
+   std::vector<std::string> const types = VectorizeString(Target.Option(IndexTarget::COMPRESSIONTYPES), ' ');
    for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
    {
       std::string p = s + '.' + *t;
@@ -259,9 +275,15 @@ std::string pkgDebianIndexTargetFile::GetProgressDescription() const
    return Target.Description;
 }
 
-pkgDebianIndexRealFile::pkgDebianIndexRealFile(std::string const &File, bool const Trusted) :/*{{{*/
-   pkgDebianIndexFile(Trusted), d(NULL), File(flAbsPath(File))
+pkgDebianIndexRealFile::pkgDebianIndexRealFile(std::string const &pFile, bool const Trusted) :/*{{{*/
+   pkgDebianIndexFile(Trusted), d(NULL)
 {
+   if (pFile.empty())
+      ;
+   else if (pFile == "/nonexistent/stdin")
+      File = pFile;
+   else
+      File = flAbsPath(pFile);
 }
                                                                        /*}}}*/
 // IndexRealFile::Size - Return the size of the index                  /*{{{*/
@@ -299,7 +321,7 @@ std::string pkgDebianIndexRealFile::GetProgressDescription() const
 }
 bool pkgDebianIndexRealFile::OpenListFile(FileFd &Pkg, std::string const &FileName)/*{{{*/
 {
-   if (Pkg.Open(FileName, FileFd::ReadOnly, FileFd::None) == false)
+   if (Pkg.Open(FileName, FileFd::ReadOnly, FileFd::Extension) == false)
       return _error->Error("Problem opening %s",FileName.c_str());
    return true;
 }
@@ -314,12 +336,18 @@ pkgDebianIndexFile::~pkgDebianIndexFile()
 pkgCacheListParser * pkgDebianIndexFile::CreateListParser(FileFd &Pkg)
 {
    if (Pkg.IsOpen() == false)
-      return NULL;
+      return nullptr;
    _error->PushToStack();
    pkgCacheListParser * const Parser = new debListParser(&Pkg);
    bool const newError = _error->PendingError();
    _error->MergeWithStack();
-   return newError ? NULL : Parser;
+   if (newError)
+   {
+      delete Parser;
+      return nullptr;
+   }
+   else
+      return Parser;
 }
 bool pkgDebianIndexFile::Merge(pkgCacheGenerator &Gen,OpProgress * const Prog)
 {
@@ -330,6 +358,7 @@ bool pkgDebianIndexFile::Merge(pkgCacheGenerator &Gen,OpProgress * const Prog)
    _error->PushToStack();
    std::unique_ptr<pkgCacheListParser> Parser(CreateListParser(Pkg));
    bool const newError = _error->PendingError();
+   _error->MergeWithStack();
    if (newError == false && Parser == nullptr)
       return true;
    if (Parser == NULL)