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authorJulian Andres Klode <jak@debian.org>2016-09-27 18:16:13 +0200
committerJulian Andres Klode <jak@debian.org>2016-11-22 22:57:46 +0100
commit5664bb2020530c0a8bbd0dc4c889743921b42429 (patch)
tree12634911ce877acf17265c16040e6d85f16f4132
parentabfd07702c1bbc3ed489d015b43db58ab677af0c (diff)
debListParser: Convert to use pkgTagSection::Key-based lookup
This basically gets rid of 40-50% of the hash table lookups, making things a bit faster that way, and the profiles look far cleaner.
-rw-r--r--apt-pkg/deb/deblistparser.cc80
-rw-r--r--apt-pkg/deb/deblistparser.h4
2 files changed, 42 insertions, 42 deletions
diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index 0f9fe310f..43fc4aa3a 100644
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -23,6 +23,7 @@
#include <apt-pkg/pkgcache.h>
#include <apt-pkg/cacheiterators.h>
#include <apt-pkg/tagfile.h>
+#include <apt-pkg/tagfile-keys.h>
#include <apt-pkg/macros.h>
#include <stddef.h>
@@ -68,7 +69,7 @@ debListParser::debListParser(FileFd *File) :
// ---------------------------------------------------------------------
/* This is to return the name of the package this section describes */
string debListParser::Package() {
- string Result = Section.Find("Package").to_string();
+ string Result = Section.Find(pkgTagSection::Key::Package).to_string();
// Normalize mixed case package names to lower case, like dpkg does
// See Bug#807012 for details
@@ -83,7 +84,7 @@ string debListParser::Package() {
// ---------------------------------------------------------------------
/* This will return the Architecture of the package this section describes */
APT::StringView debListParser::Architecture() {
- auto const Arch = Section.Find("Architecture");
+ auto const Arch = Section.Find(pkgTagSection::Key::Architecture);
return Arch.empty() ? "none" : Arch;
}
/*}}}*/
@@ -91,7 +92,7 @@ APT::StringView debListParser::Architecture() {
// ---------------------------------------------------------------------
/* */
bool debListParser::ArchitectureAll() {
- return Section.Find("Architecture") == "all";
+ return Section.Find(pkgTagSection::Key::Architecture) == "all";
}
/*}}}*/
// ListParser::Version - Return the version string /*{{{*/
@@ -101,13 +102,13 @@ bool debListParser::ArchitectureAll() {
entry is assumed to only describe package properties */
APT::StringView debListParser::Version()
{
- return Section.Find("Version");
+ return Section.Find(pkgTagSection::Key::Version);
}
/*}}}*/
unsigned char debListParser::ParseMultiArch(bool const showErrors) /*{{{*/
{
unsigned char MA;
- auto const MultiArch = Section.Find("Multi-Arch");
+ auto const MultiArch = Section.Find(pkgTagSection::Key::Multi_Arch);
if (MultiArch.empty() == true || MultiArch == "no")
MA = pkgCache::Version::No;
else if (MultiArch == "same") {
@@ -148,7 +149,7 @@ bool debListParser::NewVersion(pkgCache::VerIterator &Ver)
const char *Stop;
// Parse the section
- if (Section.Find("Section",Start,Stop) == true)
+ if (Section.Find(pkgTagSection::Key::Section,Start,Stop) == true)
{
map_stringitem_t const idx = StoreString(pkgCacheGenerator::SECTION, Start, Stop - Start);
Ver->Section = idx;
@@ -157,7 +158,7 @@ bool debListParser::NewVersion(pkgCache::VerIterator &Ver)
pkgCache::GrpIterator G = Ver.ParentPkg().Group();
Ver->SourcePkgName = G->Name;
Ver->SourceVerStr = Ver->VerStr;
- if (Section.Find("Source",Start,Stop) == true)
+ if (Section.Find(pkgTagSection::Key::Source,Start,Stop) == true)
{
const char * const Space = (const char * const) memchr(Start, ' ', Stop - Start);
pkgCache::VerIterator V;
@@ -209,36 +210,36 @@ bool debListParser::NewVersion(pkgCache::VerIterator &Ver)
Ver->MultiArch = ParseMultiArch(true);
// Archive Size
- Ver->Size = Section.FindULL("Size");
+ Ver->Size = Section.FindULL(pkgTagSection::Key::Size);
// Unpacked Size (in K)
- Ver->InstalledSize = Section.FindULL("Installed-Size");
+ Ver->InstalledSize = Section.FindULL(pkgTagSection::Key::Installed_Size);
Ver->InstalledSize *= 1024;
// Priority
- if (Section.Find("Priority",Start,Stop) == true)
+ if (Section.Find(pkgTagSection::Key::Priority,Start,Stop) == true)
{
if (GrabWord(StringView(Start,Stop-Start),PrioList,Ver->Priority) == false)
Ver->Priority = pkgCache::State::Extra;
}
- if (ParseDepends(Ver,"Pre-Depends",pkgCache::Dep::PreDepends) == false)
+ if (ParseDepends(Ver,pkgTagSection::Key::Pre_Depends,pkgCache::Dep::PreDepends) == false)
return false;
- if (ParseDepends(Ver,"Depends",pkgCache::Dep::Depends) == false)
+ if (ParseDepends(Ver,pkgTagSection::Key::Depends,pkgCache::Dep::Depends) == false)
return false;
- if (ParseDepends(Ver,"Conflicts",pkgCache::Dep::Conflicts) == false)
+ if (ParseDepends(Ver,pkgTagSection::Key::Conflicts,pkgCache::Dep::Conflicts) == false)
return false;
- if (ParseDepends(Ver,"Breaks",pkgCache::Dep::DpkgBreaks) == false)
+ if (ParseDepends(Ver,pkgTagSection::Key::Breaks,pkgCache::Dep::DpkgBreaks) == false)
return false;
- if (ParseDepends(Ver,"Recommends",pkgCache::Dep::Recommends) == false)
+ if (ParseDepends(Ver,pkgTagSection::Key::Recommends,pkgCache::Dep::Recommends) == false)
return false;
- if (ParseDepends(Ver,"Suggests",pkgCache::Dep::Suggests) == false)
+ if (ParseDepends(Ver,pkgTagSection::Key::Suggests,pkgCache::Dep::Suggests) == false)
return false;
- if (ParseDepends(Ver,"Replaces",pkgCache::Dep::Replaces) == false)
+ if (ParseDepends(Ver,pkgTagSection::Key::Replaces,pkgCache::Dep::Replaces) == false)
return false;
- if (ParseDepends(Ver,"Enhances",pkgCache::Dep::Enhances) == false)
+ if (ParseDepends(Ver,pkgTagSection::Key::Enhances,pkgCache::Dep::Enhances) == false)
return false;
// Obsolete.
- if (ParseDepends(Ver,"Optional",pkgCache::Dep::Suggests) == false)
+ if (ParseDepends(Ver,pkgTagSection::Key::Optional,pkgCache::Dep::Suggests) == false)
return false;
if (ParseProvides(Ver) == false)
@@ -278,10 +279,10 @@ std::vector<std::string> debListParser::AvailableDescriptionLanguages()
*/
MD5SumValue debListParser::Description_md5()
{
- StringView const value = Section.Find("Description-md5");
+ StringView const value = Section.Find(pkgTagSection::Key::Description_md5);
if (value.empty() == true)
{
- StringView const desc = Section.Find("Description");
+ StringView const desc = Section.Find(pkgTagSection::Key::Description);
if (desc == "\n")
return MD5SumValue();
@@ -316,9 +317,9 @@ bool debListParser::UsePackage(pkgCache::PkgIterator &Pkg,
string const static essential = _config->Find("pkgCacheGen::Essential", "all");
if (essential == "all" ||
(essential == "native" && Pkg->Arch != 0 && myArch == Pkg.Arch()))
- if (Section.FindFlag("Essential",Pkg->Flags,pkgCache::Flag::Essential) == false)
+ if (Section.FindFlag(pkgTagSection::Key::Essential,Pkg->Flags,pkgCache::Flag::Essential) == false)
return false;
- if (Section.FindFlag("Important",Pkg->Flags,pkgCache::Flag::Important) == false)
+ if (Section.FindFlag(pkgTagSection::Key::Important,Pkg->Flags,pkgCache::Flag::Important) == false)
return false;
if (std::find(forceEssential.begin(), forceEssential.end(), Pkg.Name()) != forceEssential.end())
@@ -342,17 +343,18 @@ bool debListParser::UsePackage(pkgCache::PkgIterator &Pkg,
/* */
unsigned short debListParser::VersionHash()
{
- static const StringView Sections[] ={"Installed-Size",
- "Depends",
- "Pre-Depends",
-// "Suggests",
-// "Recommends",
- "Conflicts",
- "Breaks",
- "Replaces"};
+ static constexpr pkgTagSection::Key Sections[] ={
+ pkgTagSection::Key::Installed_Size,
+ pkgTagSection::Key::Depends,
+ pkgTagSection::Key::Pre_Depends,
+// pkgTagSection::Key::Suggests,
+// pkgTagSection::Key::Recommends",
+ pkgTagSection::Key::Conflicts,
+ pkgTagSection::Key::Breaks,
+ pkgTagSection::Key::Replaces};
unsigned long Result = INIT_FCS;
char S[1024];
- for (StringView I : Sections)
+ for (auto I : Sections)
{
const char *Start;
const char *End;
@@ -402,13 +404,13 @@ bool debStatusListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
{
const char *Start;
const char *Stop;
- if (Section.Find("Status",Start,Stop) == false)
+ if (Section.Find(pkgTagSection::Key::Status,Start,Stop) == false)
return true;
// UsePackage() is responsible for setting the flag in the default case
bool const static essential = _config->Find("pkgCacheGen::Essential", "") == "installed";
if (essential == true &&
- Section.FindFlag("Essential",Pkg->Flags,pkgCache::Flag::Essential) == false)
+ Section.FindFlag(pkgTagSection::Key::Essential,Pkg->Flags,pkgCache::Flag::Essential) == false)
return false;
// Isolate the first word
@@ -808,11 +810,11 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
/* 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,
- StringView Tag,unsigned int Type)
+ pkgTagSection::Key Key,unsigned int Type)
{
const char *Start;
const char *Stop;
- if (Section.Find(Tag,Start,Stop) == false || Start == Stop)
+ if (Section.Find(Key,Start,Stop) == false || Start == Stop)
return true;
string const pkgArch = Ver.Arch();
@@ -825,7 +827,7 @@ bool debListParser::ParseDepends(pkgCache::VerIterator &Ver,
Start = ParseDepends(Start, Stop, Package, Version, Op, false, false, false);
if (Start == 0)
- return _error->Error("Problem parsing dependency %.*s",(int)Tag.length(), Tag.data());
+ return _error->Error("Problem parsing dependency %zu",static_cast<size_t>(Key)); // TODO
size_t const found = Package.rfind(':');
if (found == string::npos)
@@ -882,7 +884,7 @@ bool debListParser::ParseProvides(pkgCache::VerIterator &Ver)
string const Arch = Ver.Arch();
const char *Start;
const char *Stop;
- if (Section.Find("Provides",Start,Stop) == true)
+ if (Section.Find(pkgTagSection::Key::Provides,Start,Stop) == true)
{
StringView Package;
StringView Version;
@@ -1010,7 +1012,7 @@ bool debListParser::SameVersion(unsigned short const Hash, /*{{{*/
// status file has no (Download)Size, but all others are fair game
// status file is parsed last, so the first version we encounter is
// probably also the version we have downloaded
- unsigned long long const Size = Section.FindULL("Size");
+ unsigned long long const Size = Section.FindULL(pkgTagSection::Key::Size);
if (Size != 0 && Ver->Size != 0 && Size != Ver->Size)
return false;
// available everywhere, but easier to check here than to include in VersionHash
diff --git a/apt-pkg/deb/deblistparser.h b/apt-pkg/deb/deblistparser.h
index 102cd62aa..43ce0cfd3 100644
--- a/apt-pkg/deb/deblistparser.h
+++ b/apt-pkg/deb/deblistparser.h
@@ -52,10 +52,8 @@ class APT_HIDDEN debListParser : public pkgCacheListParser
map_filesize_t iOffset;
virtual bool ParseStatus(pkgCache::PkgIterator &Pkg,pkgCache::VerIterator &Ver);
-#ifdef APT_PKG_EXPOSE_STRING_VIEW
- bool ParseDepends(pkgCache::VerIterator &Ver, APT::StringView Tag,
+ bool ParseDepends(pkgCache::VerIterator &Ver, pkgTagSection::Key Key,
unsigned int Type);
-#endif
bool ParseProvides(pkgCache::VerIterator &Ver);
#ifdef APT_PKG_EXPOSE_STRING_VIEW