diff options
Diffstat (limited to 'apt-pkg/init.cc')
| -rw-r--r-- | apt-pkg/init.cc | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/apt-pkg/init.cc b/apt-pkg/init.cc index 292d75071..00d991027 100644 --- a/apt-pkg/init.cc +++ b/apt-pkg/init.cc @@ -20,6 +20,11 @@ #include <string.h> #include <cstdlib> +#include <fstream> +#include <sstream> +#include <string> +#include <unordered_map> +#include <vector> #include <apti18n.h> /*}}}*/ @@ -30,6 +35,89 @@ const char *pkgVersion = PACKAGE_VERSION; const char *pkgLibVersion = Stringfy(APT_PKG_MAJOR) "." Stringfy(APT_PKG_MINOR) "." Stringfy(APT_PKG_RELEASE); +namespace APT { + APT_HIDDEN extern std::unordered_map<std::string, std::vector<std::string>> ArchToTupleMap; +} + +// Splits by whitespace. There may be continuous spans of whitespace - they +// will be considered as one. +static std::vector<std::string> split(std::string const & s) +{ + std::vector<std::string> vec; + std::istringstream iss(s); + iss.imbue(std::locale::classic()); + for(std::string current_s; iss >> current_s; ) + vec.push_back(current_s); + return vec; +} + + +// pkgInitArchTupleMap - Initialize the architecture tuple map /*{{{*/ +// --------------------------------------------------------------------- +/* This initializes */ +static bool pkgInitArchTupleMap() +{ + auto tuplepath = _config->FindFile("Dir::dpkg::tupletable", DPKG_DATADIR "/tupletable"); + auto tripletpath = _config->FindFile("Dir::dpkg::triplettable", DPKG_DATADIR "/triplettable"); + auto cpupath = _config->FindFile("Dir::dpkg::cputable", DPKG_DATADIR "/cputable"); + + // Load a list of CPUs + std::vector<std::string> cpus; + std::ifstream cputable(cpupath); + for (std::string cpuline; std::getline(cputable, cpuline); ) + { + if (cpuline[0] == '#' || cpuline[0] == '\0') + continue; + auto cpurow = split(cpuline); + auto cpu = APT::String::Strip(cpurow.at(0)); + + cpus.push_back(cpu); + } + if (!cputable.eof()) + return _error->Error("Error reading the CPU table"); + + // Load the architecture tuple + std::ifstream tupletable; + if (FileExists(tuplepath)) + tupletable.open(tuplepath); + else if (FileExists(tripletpath)) + tupletable.open(tripletpath); + else + return _error->Error("Cannot find dpkg tuplet or triplet table"); + + APT::ArchToTupleMap.clear(); + for (std::string tupleline; std::getline(tupletable, tupleline); ) + { + if (tupleline[0] == '#' || tupleline[0] == '\0') + continue; + + std::vector<std::string> tuplerow = split(tupleline); + + auto tuple = APT::String::Strip(tuplerow.at(0)); + auto arch = APT::String::Strip(tuplerow.at(1)); + + if (tuple.find("<cpu>") == tuple.npos && arch.find("<cpu>") == arch.npos) + { + APT::ArchToTupleMap.insert({arch, VectorizeString(tuple, '-')}); + } + else + { + for (auto && cpu : cpus) + { + auto mytuple = SubstVar(tuple, std::string("<cpu>"), cpu); + auto myarch = SubstVar(arch, std::string("<cpu>"), cpu); + + APT::ArchToTupleMap.insert({myarch, VectorizeString(mytuple, '-')}); + } + } + } + if (!tupletable.eof()) + return _error->Error("Error reading the Tuple table"); + + return true; +} + /*}}}*/ + // pkgInitConfig - Initialize the configuration class /*{{{*/ // --------------------------------------------------------------------- @@ -84,6 +172,7 @@ bool pkgInitConfig(Configuration &Cnf) Cnf.Set("Dir::Ignore-Files-Silently::", "\\.disabled$"); Cnf.Set("Dir::Ignore-Files-Silently::", "\\.bak$"); Cnf.Set("Dir::Ignore-Files-Silently::", "\\.dpkg-[a-z]+$"); + Cnf.Set("Dir::Ignore-Files-Silently::", "\\.ucf-[a-z]+$"); Cnf.Set("Dir::Ignore-Files-Silently::", "\\.save$"); Cnf.Set("Dir::Ignore-Files-Silently::", "\\.orig$"); Cnf.Set("Dir::Ignore-Files-Silently::", "\\.distUpgrade$"); @@ -193,6 +282,9 @@ bool pkgInitSystem(Configuration &Cnf,pkgSystem *&Sys) if (Sys == 0) return _error->Error(_("Unable to determine a suitable packaging system type")); } + + if (pkgInitArchTupleMap() == false) + return false; return Sys->Initialize(Cnf); } |