X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/f49d103adc47c5c34f4ca852605ee55710e486b9..769e06cf07625f4a2f5c84340ef6af697d7b0894:/apt-pkg/contrib/configuration.cc diff --git a/apt-pkg/contrib/configuration.cc b/apt-pkg/contrib/configuration.cc index 4ef4663c0..9007bf9ec 100644 --- a/apt-pkg/contrib/configuration.cc +++ b/apt-pkg/contrib/configuration.cc @@ -21,10 +21,20 @@ #include #include #include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include #include #include -#include #include @@ -42,8 +52,7 @@ Configuration::Configuration() : ToFree(true) } Configuration::Configuration(const Item *Root) : Root((Item *)Root), ToFree(false) { -}; - +} /*}}}*/ // Configuration::~Configuration - Destructor /*{{{*/ // --------------------------------------------------------------------- @@ -216,15 +225,7 @@ string Configuration::FindFile(const char *Name,const char *Default) const } result.append(val); } - - // do some normalisation by removing // and /./ from the path - size_t found = string::npos; - while ((found = result.find("/./")) != string::npos) - result.replace(found, 3, "/"); - while ((found = result.find("//")) != string::npos) - result.replace(found, 2, "/"); - - return result; + return flNormalize(result); } /*}}}*/ // Configuration::FindDir - Find a directory name /*{{{*/ @@ -246,19 +247,25 @@ string Configuration::FindDir(const char *Name,const char *Default) const // Configuration::FindVector - Find a vector of values /*{{{*/ // --------------------------------------------------------------------- /* Returns a vector of config values under the given item */ -vector Configuration::FindVector(const char *Name) const +vector Configuration::FindVector(const char *Name, std::string const &Default, bool const Keys) const { vector Vec; const Item *Top = Lookup(Name); if (Top == NULL) - return Vec; + return VectorizeString(Default, ','); + + if (Top->Value.empty() == false) + return VectorizeString(Top->Value, ','); Item *I = Top->Child; while(I != NULL) { - Vec.push_back(I->Value); + Vec.push_back(Keys ? I->Tag : I->Value); I = I->Next; } + if (Vec.empty() == true) + return VectorizeString(Default, ','); + return Vec; } /*}}}*/ @@ -472,6 +479,59 @@ void Configuration::Clear(string const &Name) } } /*}}}*/ +void Configuration::MoveSubTree(char const * const OldRootName, char const * const NewRootName)/*{{{*/ +{ + // prevent NewRoot being a subtree of OldRoot + if (OldRootName == nullptr) + return; + if (NewRootName != nullptr) + { + if (strcmp(OldRootName, NewRootName) == 0) + return; + std::string const oldroot = std::string(OldRootName) + "::"; + if (strcasestr(NewRootName, oldroot.c_str()) != NULL) + return; + } + + Item * Top; + Item const * const OldRoot = Top = Lookup(OldRootName, false); + if (Top == nullptr) + return; + std::string NewRoot; + if (NewRootName != nullptr) + NewRoot.append(NewRootName).append("::"); + + Top->Value.clear(); + Item * const Stop = Top; + Top = Top->Child; + Stop->Child = 0; + for (; Top != 0;) + { + if (Top->Child != 0) + { + Top = Top->Child; + continue; + } + + while (Top != 0 && Top->Next == 0) + { + Set(NewRoot + Top->FullTag(OldRoot), Top->Value); + Item const * const Tmp = Top; + Top = Top->Parent; + delete Tmp; + + if (Top == Stop) + return; + } + + Set(NewRoot + Top->FullTag(OldRoot), Top->Value); + Item const * const Tmp = Top; + if (Top != 0) + Top = Top->Next; + delete Tmp; + } +} + /*}}}*/ // Configuration::Exists - Returns true if the Name exists /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -608,21 +668,30 @@ string Configuration::Item::FullTag(const Item *Stop) const sections like 'zone "foo.org" { .. };' This causes each section to be added in with a tag like "zone::foo.org" instead of being split tag/value. AsSectional enables Sectional parsing.*/ +static void leaveCurrentScope(std::stack &Stack, std::string &ParentTag) +{ + if (Stack.empty()) + ParentTag.clear(); + else + { + ParentTag = Stack.top(); + Stack.pop(); + } +} bool ReadConfigFile(Configuration &Conf,const string &FName,bool const &AsSectional, unsigned const &Depth) -{ +{ // Open the stream for reading - ifstream F(FName.c_str(),ios::in); - if (!F != 0) + ifstream F(FName.c_str(),ios::in); + if (F.fail() == true) return _error->Errno("ifstream::ifstream",_("Opening configuration file %s"),FName.c_str()); string LineBuffer; - string Stack[100]; - unsigned int StackPos = 0; - + std::stack Stack; + // Parser state string ParentTag; - + int CurLine = 0; bool InComment = false; while (F.eof() == false) @@ -687,12 +756,12 @@ bool ReadConfigFile(Configuration &Conf,const string &FName,bool const &AsSectio Start = I + 2; InComment = false; break; - } + } } if (InComment == true) continue; } - + // Discard single line comments bool InQuote = false; for (std::string::const_iterator I = Start; @@ -737,9 +806,9 @@ bool ReadConfigFile(Configuration &Conf,const string &FName,bool const &AsSectio I = J + 1; InComment = false; break; - } + } } - + if (InComment == true) break; } @@ -750,7 +819,7 @@ bool ReadConfigFile(Configuration &Conf,const string &FName,bool const &AsSectio // Skip blank lines. if (Fragment.empty()) continue; - + // The line has actual content; interpret what it means. InQuote = false; Start = Fragment.begin(); @@ -760,7 +829,7 @@ bool ReadConfigFile(Configuration &Conf,const string &FName,bool const &AsSectio { if (*I == '"') InQuote = !InQuote; - + if (InQuote == false && (*I == '{' || *I == ';' || *I == '}')) { // Put the last fragment into the buffer @@ -779,24 +848,19 @@ bool ReadConfigFile(Configuration &Conf,const string &FName,bool const &AsSectio // brace or a semicolon) char TermChar = *I; Start = I + 1; - + // Syntax Error if (TermChar == '{' && LineBuffer.empty() == true) return _error->Error(_("Syntax error %s:%u: Block starts with no name."),FName.c_str(),CurLine); - + // No string on this line if (LineBuffer.empty() == true) { if (TermChar == '}') - { - if (StackPos == 0) - ParentTag = string(); - else - ParentTag = Stack[--StackPos]; - } + leaveCurrentScope(Stack, ParentTag); continue; } - + // Parse off the tag string Tag; const char *Pos = LineBuffer.c_str(); @@ -823,25 +887,23 @@ bool ReadConfigFile(Configuration &Conf,const string &FName,bool const &AsSectio // Go down a level if (TermChar == '{') { - if (StackPos < sizeof(Stack)/sizeof(std::string)) - Stack[StackPos++] = ParentTag; - + Stack.push(ParentTag); + /* Make sectional tags incorperate the section into the tag string */ if (AsSectional == true && Word.empty() == false) { - Tag += "::" ; - Tag += Word; - Word = ""; + Tag.append("::").append(Word); + Word.clear(); } - + if (ParentTag.empty() == true) ParentTag = Tag; else - ParentTag += string("::") + Tag; - Tag = string(); + ParentTag.append("::").append(Tag); + Tag.clear(); } - + // Generate the item name string Item; if (ParentTag.empty() == true) @@ -853,7 +915,7 @@ bool ReadConfigFile(Configuration &Conf,const string &FName,bool const &AsSectio else Item = ParentTag; } - + // Specials if (Tag.length() >= 1 && Tag[0] == '#') { @@ -875,7 +937,7 @@ bool ReadConfigFile(Configuration &Conf,const string &FName,bool const &AsSectio { if (ReadConfigFile(Conf,Word,AsSectional,Depth+1) == false) return _error->Error(_("Syntax error %s:%u: Included from here"),FName.c_str(),CurLine); - } + } } else return _error->Error(_("Syntax error %s:%u: Unsupported directive '%s'"),FName.c_str(),CurLine,Tag.c_str()); @@ -888,19 +950,13 @@ bool ReadConfigFile(Configuration &Conf,const string &FName,bool const &AsSectio if (NoWord == false) Conf.Set(Item,Word); } - + // Empty the buffer LineBuffer.clear(); - + // Move up a tag, but only if there is no bit to parse if (TermChar == '}') - { - if (StackPos == 0) - ParentTag.clear(); - else - ParentTag = Stack[--StackPos]; - } - + leaveCurrentScope(Stack, ParentTag); } }