X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/08e8f724674eb96678dcabf856534c58f5c29996..acddd9188c21c2e13aff5cea3a82f2d01aff788b:/apt-pkg/contrib/configuration.h diff --git a/apt-pkg/contrib/configuration.h b/apt-pkg/contrib/configuration.h index 1cdf67860..97a01e4cf 100644 --- a/apt-pkg/contrib/configuration.h +++ b/apt-pkg/contrib/configuration.h @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: configuration.h,v 1.4 1998/09/22 05:30:27 jgg Exp $ +// $Id: configuration.h,v 1.16 2002/11/11 06:55:50 doogie Exp $ /* ###################################################################### Configuration Class @@ -14,57 +14,143 @@ And has associated with it a text string. The Configuration class only provides storage and lookup for this tree, other classes provide configuration file formats (and parsers/emitters if needed). - + Most things can get by quite happily with, cout << _config->Find("Foo::Bar") << endl; + + A special extension, support for ordered lists is provided by using the + special syntax, "block::list::" the trailing :: designates the + item as a list. To access the list you must use the tree function on + "block::list". ##################################################################### */ /*}}}*/ -// Header section: pkglib #ifndef PKGLIB_CONFIGURATION_H #define PKGLIB_CONFIGURATION_H -#ifdef __GNUG__ -#pragma interface "apt-pkg/configuration.h" -#endif +#include #include +#include +#include + +#include + +#ifndef APT_8_CLEANER_HEADERS +using std::string; +#endif class Configuration { + public: + struct Item { - string Value; - string Tag; + std::string Value; + std::string Tag; Item *Parent; Item *Child; Item *Next; - Item() : Child(0), Next(0) {}; + + std::string FullTag(const Item *Stop = 0) const; + + Item() : Parent(0), Child(0), Next(0) {}; }; + + private: + Item *Root; + bool ToFree; + + Item *Lookup(Item *Head,const char *S,unsigned long const &Len,bool const &Create); + Item *Lookup(const char *Name,const bool &Create); + inline const Item *Lookup(const char *Name) const + { + return ((Configuration *)this)->Lookup(Name,false); + } - Item *Lookup(Item *Head,const char *S,unsigned long Len,bool Create); - Item *Lookup(const char *Name,bool Create); - public: - string Find(const char *Name,const char *Default = 0); - string FindDir(const char *Name,const char *Default = 0); - int FindI(const char *Name,int Default = 0); - bool FindB(const char *Name,bool Default = false); + std::string Find(const char *Name,const char *Default = 0) const; + std::string Find(std::string const &Name,const char *Default = 0) const {return Find(Name.c_str(),Default);}; + std::string Find(std::string const &Name, std::string const &Default) const {return Find(Name.c_str(),Default.c_str());}; + std::string FindFile(const char *Name,const char *Default = 0) const; + std::string FindDir(const char *Name,const char *Default = 0) const; + /** return a list of child options + * + * Options like Acquire::Languages are handled as lists which + * can be overridden and have a default. For the later two a comma + * separated list of values is supported. + * + * \param Name of the parent node + * \param Default list of values separated by commas */ + std::vector FindVector(const char *Name, std::string const &Default = "", bool const Keys = false) const; + std::vector FindVector(std::string const &Name, std::string const &Default = "", bool const Keys = false) const { return FindVector(Name.c_str(), Default, Keys); }; + + int FindI(const char *Name,int const &Default = 0) const; + int FindI(std::string const &Name,int const &Default = 0) const {return FindI(Name.c_str(),Default);}; + bool FindB(const char *Name,bool const &Default = false) const; + bool FindB(std::string const &Name,bool const &Default = false) const {return FindB(Name.c_str(),Default);}; + std::string FindAny(const char *Name,const char *Default = 0) const; - inline void Set(string Name,string Value) {Set(Name.c_str(),Value);}; - void Set(const char *Name,string Value); - void Set(const char *Name,int Value); + inline void Set(const std::string &Name,const std::string &Value) {Set(Name.c_str(),Value);}; + void CndSet(const char *Name,const std::string &Value); + void CndSet(const char *Name,const int Value); + void Set(const char *Name,const std::string &Value); + void Set(const char *Name,const int &Value); - inline bool Exists(string Name) {return Exists(Name.c_str());}; - bool Exists(const char *Name); - + inline bool Exists(const std::string &Name) const {return Exists(Name.c_str());}; + bool Exists(const char *Name) const; + bool ExistsAny(const char *Name) const; + + void MoveSubTree(char const * const OldRoot, char const * const NewRoot); + + // clear a whole tree + void Clear(const std::string &Name); + void Clear(); + + // remove a certain value from a list (e.g. the list of "APT::Keep-Fds") + void Clear(std::string const &List, std::string const &Value); + void Clear(std::string const &List, int const &Value); + + inline const Item *Tree(const char *Name) const {return Lookup(Name);}; + + inline void Dump() { Dump(std::clog); }; + void Dump(std::ostream& str); + void Dump(std::ostream& str, char const * const root, + char const * const format, bool const emptyValue); + + Configuration(const Item *Root); Configuration(); + ~Configuration(); + + /** \brief match a string against a configurable list of patterns */ + class MatchAgainstConfig + { + std::vector patterns; + APT_HIDDEN void clearPatterns(); + + public: + MatchAgainstConfig(char const * Config); + virtual ~MatchAgainstConfig(); + + /** \brief Returns \b true for a string matching one of the patterns */ + bool Match(char const * str) const; + bool Match(std::string const &str) const { return Match(str.c_str()); }; + + /** \brief returns if the matcher setup was successful */ + bool wasConstructedSuccessfully() const { return patterns.empty() == false; } + }; }; extern Configuration *_config; -bool ReadConfigFile(Configuration &Conf,string File); +bool ReadConfigFile(Configuration &Conf,const std::string &FName, + bool const &AsSectional = false, + unsigned const &Depth = 0); + +bool ReadConfigDir(Configuration &Conf,const std::string &Dir, + bool const &AsSectional = false, + unsigned const &Depth = 0); #endif