/*}}}*/
using std::string;
+using APT::StringView;
-static debListParser::WordList PrioList[] = {
+static const debListParser::WordList PrioList[] = {
{"required",pkgCache::State::Required},
{"important",pkgCache::State::Important},
{"standard",pkgCache::State::Standard},
{"optional",pkgCache::State::Optional},
{"extra",pkgCache::State::Extra},
- {NULL, 0}};
+ {"", 0}};
// ListParser::debListParser - Constructor /*{{{*/
// ---------------------------------------------------------------------
// ---------------------------------------------------------------------
/* This is to return the name of the package this section describes */
string debListParser::Package() {
- string const Result = Section.FindS("Package");
+ string Result = Section.Find("Package").to_string();
+
+ // Normalize mixed case package names to lower case, like dpkg does
+ // See Bug#807012 for details
+ std::transform(Result.begin(), Result.end(), Result.begin(), tolower_ascii);
+
if(unlikely(Result.empty() == true))
_error->Error("Encountered a section with no Package: header");
return Result;
// ListParser::Architecture - Return the package arch /*{{{*/
// ---------------------------------------------------------------------
/* This will return the Architecture of the package this section describes */
-string debListParser::Architecture() {
- std::string const Arch = Section.FindS("Architecture");
+APT::StringView debListParser::Architecture() {
+ auto const Arch = Section.Find("Architecture");
return Arch.empty() ? "none" : Arch;
}
/*}}}*/
// ---------------------------------------------------------------------
/* */
bool debListParser::ArchitectureAll() {
- return Section.FindS("Architecture") == "all";
+ return Section.Find("Architecture") == "all";
}
/*}}}*/
// ListParser::Version - Return the version string /*{{{*/
/* This is to return the string describing the version in debian form,
epoch:upstream-release. If this returns the blank string then the
entry is assumed to only describe package properties */
-string debListParser::Version()
+APT::StringView debListParser::Version()
{
- return Section.FindS("Version");
+ return Section.Find("Version");
}
/*}}}*/
unsigned char debListParser::ParseMultiArch(bool const showErrors) /*{{{*/
{
unsigned char MA;
- string const MultiArch = Section.FindS("Multi-Arch");
+ auto const MultiArch = Section.Find("Multi-Arch");
if (MultiArch.empty() == true || MultiArch == "no")
MA = pkgCache::Version::No;
else if (MultiArch == "same") {
{
if (showErrors == true)
_error->Warning("Unknown Multi-Arch type '%s' for package '%s'",
- MultiArch.c_str(), Section.FindS("Package").c_str());
+ MultiArch.to_string().c_str(), Section.FindS("Package").c_str());
MA = pkgCache::Version::No;
}
Ver->Section = idx;
}
// Parse the source package name
- pkgCache::GrpIterator const G = Ver.ParentPkg().Group();
+ pkgCache::GrpIterator G = Ver.ParentPkg().Group();
Ver->SourcePkgName = G->Name;
Ver->SourceVerStr = Ver->VerStr;
if (Section.Find("Source",Start,Stop) == true)
if (Space != NULL)
{
- Stop = Space;
const char * const Open = (const char * const) memchr(Space, '(', Stop - Space);
if (likely(Open != NULL))
{
const char * const Close = (const char * const) memchr(Open, ')', Stop - Open);
if (likely(Close != NULL))
{
- std::string const version(Open + 1, (Close - Open) - 1);
+ APT::StringView const version(Open + 1, (Close - Open) - 1);
if (version != Ver.VerStr())
{
map_stringitem_t const idx = StoreString(pkgCacheGenerator::VERSIONNUMBER, version);
+ G = Ver.ParentPkg().Group();
Ver->SourceVerStr = idx;
}
}
}
+ Stop = Space;
}
- std::string const pkgname(Start, Stop - Start);
+ APT::StringView const pkgname(Start, Stop - Start);
if (pkgname != G.Name())
{
for (pkgCache::PkgIterator P = G.PackageList(); P.end() == false; P = G.NextPkg(P))
if (V.end() == true)
{
map_stringitem_t const idx = StoreString(pkgCacheGenerator::PKGNAME, pkgname);
+ G = Ver.ParentPkg().Group();
Ver->SourcePkgName = idx;
}
}
// Priority
if (Section.Find("Priority",Start,Stop) == true)
{
- if (GrabWord(string(Start,Stop-Start),PrioList,Ver->Priority) == false)
+ if (GrabWord(StringView(Start,Stop-Start),PrioList,Ver->Priority) == false)
Ver->Priority = pkgCache::State::Extra;
}
return true;
}
/*}}}*/
-// ListParser::Description - Return the description string /*{{{*/
-// ---------------------------------------------------------------------
-/* This is to return the string describing the package in debian
- form. If this returns the blank string then the entry is assumed to
- only describe package properties */
-string debListParser::Description(std::string const &lang)
-{
- if (lang.empty())
- return Section.FindS("Description");
- else
- return Section.FindS(string("Description-").append(lang).c_str());
-}
- /*}}}*/
// ListParser::AvailableDescriptionLanguages /*{{{*/
std::vector<std::string> debListParser::AvailableDescriptionLanguages()
{
std::vector<std::string> const understood = APT::Configuration::getLanguages();
std::vector<std::string> avail;
+ static constexpr int prefixLen = 12;
+ static constexpr int avgLanguageLen = 5;
+ std::string tagname;
+
+ tagname.reserve(prefixLen + avgLanguageLen);
+ tagname.assign("Description-");
if (Section.Exists("Description") == true)
avail.push_back("");
for (std::vector<std::string>::const_iterator lang = understood.begin(); lang != understood.end(); ++lang)
{
- std::string const tagname = "Description-" + *lang;
- if (Section.Exists(tagname.c_str()) == true)
+ tagname.resize(prefixLen);
+ tagname.append(*lang);
+ if (Section.Exists(tagname) == true)
avail.push_back(*lang);
}
return avail;
*/
MD5SumValue debListParser::Description_md5()
{
- string const value = Section.FindS("Description-md5");
+ StringView const value = Section.Find("Description-md5");
if (value.empty() == true)
{
- std::string const desc = Description("") + "\n";
+ StringView const desc = Section.Find("Description");
if (desc == "\n")
return MD5SumValue();
MD5Summation md5;
- md5.Add(desc.c_str());
+ md5.Add(desc.data(), desc.size());
+ md5.Add("\n");
return md5.Result();
}
else if (likely(value.size() == 32))
{
- if (likely(value.find_first_not_of("0123456789abcdefABCDEF") == string::npos))
- return MD5SumValue(value);
- _error->Error("Malformed Description-md5 line; includes invalid character '%s'", value.c_str());
+ MD5SumValue sumvalue;
+ if (sumvalue.Set(value))
+ return sumvalue;
+
+ _error->Error("Malformed Description-md5 line; includes invalid character '%.*s'", (int)value.length(), value.data());
return MD5SumValue();
}
- _error->Error("Malformed Description-md5 line; doesn't have the required length (32 != %d) '%s'", (int)value.size(), value.c_str());
+ _error->Error("Malformed Description-md5 line; doesn't have the required length (32 != %d) '%.*s'", (int)value.size(), (int)value.length(), value.data());
return MD5SumValue();
}
/*}}}*/
/* */
unsigned short debListParser::VersionHash()
{
- const char *Sections[] ={"Installed-Size",
+ static const StringView Sections[] ={"Installed-Size",
"Depends",
"Pre-Depends",
// "Suggests",
// "Recommends",
"Conflicts",
"Breaks",
- "Replaces",0};
+ "Replaces"};
unsigned long Result = INIT_FCS;
char S[1024];
- for (const char * const *I = Sections; *I != 0; ++I)
+ for (StringView I : Sections)
{
const char *Start;
const char *End;
- if (Section.Find(*I,Start,End) == false || End - Start >= (signed)sizeof(S))
+ if (Section.Find(I,Start,End) == false || End - Start >= (signed)sizeof(S))
continue;
/* Strip out any spaces from the text, this undoes dpkgs reformatting
char *J = S;
for (; Start != End; ++Start)
{
- if (isspace(*Start) != 0)
+ if (isspace_ascii(*Start) != 0)
continue;
*J++ = tolower_ascii(*Start);
- if ((*Start == '<' || *Start == '>') && Start[1] != *Start && Start[1] != '=')
- *J++ = '=';
+ /* Normalize <= to < and >= to >. This is the wrong way around, but
+ * more efficient that the right way. And since we're only hashing
+ * it does not matter which way we normalize. */
+ if ((*Start == '<' || *Start == '>') && Start[1] == '=') {
+ Start++;
+ }
}
Result = AddCRC16(Result,S,J - S);
{"hold",pkgCache::State::Hold},
{"deinstall",pkgCache::State::DeInstall},
{"purge",pkgCache::State::Purge},
- {NULL, 0}};
- if (GrabWord(string(Start,I-Start),WantList,Pkg->SelectedState) == false)
+ {"", 0}};
+ if (GrabWord(StringView(Start,I-Start),WantList,Pkg->SelectedState) == false)
return _error->Error("Malformed 1st word in the Status line");
// Isloate the next word
{"reinstreq",pkgCache::State::ReInstReq},
{"hold",pkgCache::State::HoldInst},
{"hold-reinstreq",pkgCache::State::HoldReInstReq},
- {NULL, 0}};
- if (GrabWord(string(Start,I-Start),FlagList,Pkg->InstState) == false)
+ {"", 0}};
+ if (GrabWord(StringView(Start,I-Start),FlagList,Pkg->InstState) == false)
return _error->Error("Malformed 2nd word in the Status line");
// Isloate the last word
{"triggers-awaited",pkgCache::State::TriggersAwaited},
{"triggers-pending",pkgCache::State::TriggersPending},
{"installed",pkgCache::State::Installed},
- {NULL, 0}};
- if (GrabWord(string(Start,I-Start),StatusList,Pkg->CurrentState) == false)
+ {"", 0}};
+ if (GrabWord(StringView(Start,I-Start),StatusList,Pkg->CurrentState) == false)
return _error->Error("Malformed 3rd word in the Status line");
/* A Status line marks the package as indicating the current
unsigned int &Op, bool const &ParseArchFlags,
bool const &StripMultiArch,
bool const &ParseRestrictionsList)
+{
+ StringView PackageView;
+ StringView VerView;
+
+ auto res = ParseDepends(Start, Stop, PackageView, VerView, Op, (bool)ParseArchFlags,
+ (bool) StripMultiArch, (bool) ParseRestrictionsList);
+ Package = PackageView.to_string();
+ Ver = VerView.to_string();
+
+ return res;
+}
+const char *debListParser::ParseDepends(const char *Start,const char *Stop,
+ StringView &Package,StringView &Ver,
+ unsigned int &Op, bool ParseArchFlags,
+ bool StripMultiArch,
+ bool ParseRestrictionsList)
{
// Strip off leading space
- for (;Start != Stop && isspace(*Start) != 0; ++Start);
+ for (;Start != Stop && isspace_ascii(*Start) != 0; ++Start);
// Parse off the package name
const char *I = Start;
- for (;I != Stop && isspace(*I) == 0 && *I != '(' && *I != ')' &&
+ for (;I != Stop && isspace_ascii(*I) == 0 && *I != '(' && *I != ')' &&
*I != ',' && *I != '|' && *I != '[' && *I != ']' &&
*I != '<' && *I != '>'; ++I);
return 0;
// Stash the package name
- Package.assign(Start,I - Start);
+ Package = StringView(Start, I - Start);
// We don't want to confuse library users which can't handle MultiArch
- string const arch = _config->Find("APT::Architecture");
if (StripMultiArch == true) {
+ string const arch = _config->Find("APT::Architecture");
size_t const found = Package.rfind(':');
- if (found != string::npos &&
- (strcmp(Package.c_str() + found, ":any") == 0 ||
- strcmp(Package.c_str() + found, ":native") == 0 ||
- strcmp(Package.c_str() + found + 1, arch.c_str()) == 0))
+ if (found != StringView::npos &&
+ (Package.substr(found) == ":any" ||
+ Package.substr(found) == ":native" ||
+ Package.substr(found +1) == arch))
Package = Package.substr(0,found);
}
// Skip white space to the '('
- for (;I != Stop && isspace(*I) != 0 ; I++);
+ for (;I != Stop && isspace_ascii(*I) != 0 ; I++);
// Parse a version
if (I != Stop && *I == '(')
{
// Skip the '('
- for (I++; I != Stop && isspace(*I) != 0 ; I++);
+ for (I++; I != Stop && isspace_ascii(*I) != 0 ; I++);
if (I + 3 >= Stop)
return 0;
I = ConvertRelation(I,Op);
// Skip whitespace
- for (;I != Stop && isspace(*I) != 0; I++);
+ for (;I != Stop && isspace_ascii(*I) != 0; I++);
Start = I;
I = (const char*) memchr(I, ')', Stop - I);
if (I == NULL || Start == I)
// Skip trailing whitespace
const char *End = I;
- for (; End > Start && isspace(End[-1]); End--);
+ for (; End > Start && isspace_ascii(End[-1]); End--);
- Ver.assign(Start,End-Start);
+ Ver = StringView(Start,End-Start);
I++;
}
else
{
- Ver.clear();
+ Ver = StringView();
Op = pkgCache::Dep::NoOp;
}
// Skip whitespace
- for (;I != Stop && isspace(*I) != 0; I++);
+ for (;I != Stop && isspace_ascii(*I) != 0; I++);
- if (ParseArchFlags == true)
+ if (unlikely(ParseArchFlags == true))
{
+ string const arch = _config->Find("APT::Architecture");
APT::CacheFilter::PackageArchitectureMatchesSpecification matchesArch(arch, false);
// Parse an architecture
while (I != Stop)
{
// look for whitespace or ending ']'
- for (;End != Stop && !isspace(*End) && *End != ']'; ++End);
+ for (;End != Stop && !isspace_ascii(*End) && *End != ']'; ++End);
if (unlikely(End == Stop))
return 0;
++I;
}
- std::string arch(I, End);
+ std::string const arch(I, End);
if (arch.empty() == false && matchesArch(arch.c_str()) == true)
{
Found = true;
}
I = End;
- for (;I != Stop && isspace(*I) != 0; I++);
+ for (;I != Stop && isspace_ascii(*I) != 0; I++);
}
if (NegArch == true)
}
// Skip whitespace
- for (;I != Stop && isspace(*I) != 0; I++);
+ for (;I != Stop && isspace_ascii(*I) != 0; I++);
}
- if (ParseRestrictionsList == true)
+ if (unlikely(ParseRestrictionsList == true))
{
// Parse a restrictions formula which is in disjunctive normal form:
// (foo AND bar) OR (blub AND bla)
for (;End != Stop && *End != '>'; ++End);
I = ++End;
// skip whitespace
- for (;I != Stop && isspace(*I) != 0; I++);
+ for (;I != Stop && isspace_ascii(*I) != 0; I++);
} else {
bool applies2 = true;
// all the conditions inside a restriction list have to be
{
// look for whitespace or ending '>'
// End now points to the character after the current term
- for (;End != Stop && !isspace(*End) && *End != '>'; ++End);
+ for (;End != Stop && !isspace_ascii(*End) && *End != '>'; ++End);
if (unlikely(End == Stop))
return 0;
++I;
}
- std::string restriction(I, End);
-
+ std::string const restriction(I, End);
if (restriction.empty() == false && profiles.empty() == false &&
std::find(profiles.begin(), profiles.end(), restriction) != profiles.end())
{
if (*End++ == '>') {
I = End;
// skip whitespace
- for (;I != Stop && isspace(*I) != 0; I++);
+ for (;I != Stop && isspace_ascii(*I) != 0; I++);
break;
}
I = End;
// skip whitespace
- for (;I != Stop && isspace(*I) != 0; I++);
+ for (;I != Stop && isspace_ascii(*I) != 0; I++);
}
if (applies2) {
applies1 = true;
if (I == Stop || *I == ',' || *I == '|')
{
if (I != Stop)
- for (I++; I != Stop && isspace(*I) != 0; I++);
+ for (I++; I != Stop && isspace_ascii(*I) != 0; I++);
return I;
}
/* 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,
- const char *Tag,unsigned int Type)
+ StringView Tag,unsigned int Type)
{
const char *Start;
const char *Stop;
- if (Section.Find(Tag,Start,Stop) == false)
+ if (Section.Find(Tag,Start,Stop) == false || Start == Stop)
return true;
string const pkgArch = Ver.Arch();
while (1)
{
- string Package;
- string Version;
+ StringView Package;
+ StringView Version;
unsigned int Op;
Start = ParseDepends(Start, Stop, Package, Version, Op, false, false, false);
if (Start == 0)
- return _error->Error("Problem parsing dependency %s",Tag);
+ return _error->Error("Problem parsing dependency %.*s",(int)Tag.length(), Tag.data());
size_t const found = Package.rfind(':');
if (found == string::npos)
if (NewDepends(Ver,Package,pkgArch,Version,Op,Type) == false)
return false;
}
- else if (strcmp(Package.c_str() + found, ":any") == 0)
+ else if (Package.substr(found) == ":any")
{
if (NewDepends(Ver,Package,"any",Version,Op,Type) == false)
return false;
}
else
{
- string Arch = Package.substr(found+1, string::npos);
- Package = Package.substr(0, found);
// Such dependencies are not supposed to be accepted …
// … but this is probably the best thing to do anyway
- if (Arch == "native")
- Arch = _config->Find("APT::Architecture");
- if (NewDepends(Ver,Package,Arch,Version,Op | pkgCache::Dep::ArchSpecific,Type) == false)
+ if (Package.substr(found + 1) == "native")
+ {
+ std::string const Pkg = Package.substr(0, found).to_string() + ':' + Ver.Cache()->NativeArch();
+ if (NewDepends(Ver, Pkg, "any", Version, Op | pkgCache::Dep::ArchSpecific, Type) == false)
+ return false;
+ }
+ else if (NewDepends(Ver, Package, "any", Version, Op | pkgCache::Dep::ArchSpecific, Type) == false)
return false;
}
/* */
bool debListParser::ParseProvides(pkgCache::VerIterator &Ver)
{
+ /* it is unlikely, but while parsing dependencies, we might have already
+ picked up multi-arch implicit provides which we do not want to duplicate here */
+ bool hasProvidesAlready = false;
+ std::string const spzName = Ver.ParentPkg().FullName(false);
+ {
+ for (pkgCache::PrvIterator Prv = Ver.ProvidesList(); Prv.end() == false; ++Prv)
+ {
+ if (Prv.IsMultiArchImplicit() == false || (Prv->Flags & pkgCache::Flag::ArchSpecific) == 0)
+ continue;
+ if (spzName != Prv.OwnerPkg().FullName(false))
+ continue;
+ hasProvidesAlready = true;
+ break;
+ }
+ }
+
+ string const Arch = Ver.Arch();
const char *Start;
const char *Stop;
if (Section.Find("Provides",Start,Stop) == true)
{
- string Package;
- string Version;
- string const Arch = Ver.Arch();
+ StringView Package;
+ StringView Version;
unsigned int Op;
- while (1)
+ do
{
- Start = ParseDepends(Start,Stop,Package,Version,Op);
+ Start = ParseDepends(Start,Stop,Package,Version,Op, false, false, false);
const size_t archfound = Package.rfind(':');
if (Start == 0)
return _error->Error("Problem parsing Provides line");
- if (Op != pkgCache::Dep::NoOp && Op != pkgCache::Dep::Equals) {
- _error->Warning("Ignoring Provides line with non-equal DepCompareOp for package %s", Package.c_str());
+ if (unlikely(Op != pkgCache::Dep::NoOp && Op != pkgCache::Dep::Equals)) {
+ _error->Warning("Ignoring Provides line with non-equal DepCompareOp for package %s", Package.to_string().c_str());
} else if (archfound != string::npos) {
- string OtherArch = Package.substr(archfound+1, string::npos);
- Package = Package.substr(0, archfound);
- if (NewProvides(Ver, Package, OtherArch, Version, pkgCache::Flag::ArchSpecific) == false)
+ StringView spzArch = Package.substr(archfound + 1);
+ if (spzArch != "any")
+ {
+ if (NewProvides(Ver, Package.substr(0, archfound), spzArch, Version, pkgCache::Flag::MultiArchImplicit | pkgCache::Flag::ArchSpecific) == false)
+ return false;
+ }
+ if (NewProvides(Ver, Package, "any", Version, pkgCache::Flag::ArchSpecific) == false)
return false;
} else if ((Ver->MultiArch & pkgCache::Version::Foreign) == pkgCache::Version::Foreign) {
- if (NewProvidesAllArch(Ver, Package, Version, 0) == false)
+ if (APT::Configuration::checkArchitecture(Arch))
+ {
+ if (NewProvidesAllArch(Ver, Package, Version, 0) == false)
+ return false;
+ }
+ else if (NewProvides(Ver, Package, Arch, Version, 0) == false)
return false;
} else {
+ if ((Ver->MultiArch & pkgCache::Version::Allowed) == pkgCache::Version::Allowed)
+ {
+ if (NewProvides(Ver, Package.to_string().append(":any"), "any", Version, pkgCache::Flag::MultiArchImplicit) == false)
+ return false;
+ }
if (NewProvides(Ver, Package, Arch, Version, 0) == false)
return false;
}
+ if (archfound == std::string::npos)
+ {
+ string spzName = Package.to_string();
+ spzName.push_back(':');
+ spzName.append(Ver.ParentPkg().Arch());
+ pkgCache::PkgIterator const spzPkg = Ver.Cache()->FindPkg(spzName, "any");
+ if (spzPkg.end() == false)
+ {
+ if (NewProvides(Ver, spzName, "any", Version, pkgCache::Flag::MultiArchImplicit | pkgCache::Flag::ArchSpecific) == false)
+ return false;
+ }
+ }
+ } while (Start != Stop);
+ }
- if (Start == Stop)
- break;
+ if (APT::Configuration::checkArchitecture(Arch))
+ {
+ if ((Ver->MultiArch & pkgCache::Version::Allowed) == pkgCache::Version::Allowed)
+ {
+ string const Package = string(Ver.ParentPkg().Name()).append(":").append("any");
+ if (NewProvides(Ver, Package, "any", Ver.VerStr(), pkgCache::Flag::MultiArchImplicit) == false)
+ return false;
+ }
+ else if ((Ver->MultiArch & pkgCache::Version::Foreign) == pkgCache::Version::Foreign)
+ {
+ if (NewProvidesAllArch(Ver, Ver.ParentPkg().Name(), Ver.VerStr(), pkgCache::Flag::MultiArchImplicit) == false)
+ return false;
}
}
- if ((Ver->MultiArch & pkgCache::Version::Allowed) == pkgCache::Version::Allowed)
+ if (hasProvidesAlready == false)
{
- string const Package = string(Ver.ParentPkg().Name()).append(":").append("any");
- return NewProvides(Ver, Package, "any", Ver.VerStr(), pkgCache::Flag::MultiArchImplicit);
+ pkgCache::PkgIterator const spzPkg = Ver.Cache()->FindPkg(spzName, "any");
+ if (spzPkg.end() == false)
+ {
+ if (NewProvides(Ver, spzName, "any", Ver.VerStr(), pkgCache::Flag::MultiArchImplicit | pkgCache::Flag::ArchSpecific) == false)
+ return false;
+ }
}
- else if ((Ver->MultiArch & pkgCache::Version::Foreign) == pkgCache::Version::Foreign)
- return NewProvidesAllArch(Ver, Ver.ParentPkg().Name(), Ver.VerStr(), pkgCache::Flag::MultiArchImplicit);
-
return true;
}
/*}}}*/
// ListParser::GrabWord - Matches a word and returns /*{{{*/
// ---------------------------------------------------------------------
/* Looks for a word in a list of words - for ParseStatus */
-bool debListParser::GrabWord(string Word,WordList *List,unsigned char &Out)
+bool debListParser::GrabWord(StringView Word, WordList const *List, unsigned char &Out)
{
- for (unsigned int C = 0; List[C].Str != 0; C++)
+ for (unsigned int C = 0; List[C].Str.empty() == false; C++)
{
- if (strcasecmp(Word.c_str(),List[C].Str) == 0)
+ if (Word.length() == List[C].Str.length() &&
+ strncasecmp(Word.data(), List[C].Str.data(), Word.length()) == 0)
{
Out = List[C].Val;
return true;
projects / apt.git / blobdiff