FileFd: avoid further writing if file failed

[apt.git] / apt-pkg / contrib / configuration.h

diff --git a/apt-pkg/contrib/configuration.h b/apt-pkg/contrib/configuration.h
index 3568ce8152ba8cded8d061a7111e6313ff2a9503..97a01e4cfa25f41cece02043b2507c79c5615058 100644 (file)
--- a/apt-pkg/contrib/configuration.h
+++ b/apt-pkg/contrib/configuration.h
@@ -34,7 +34,11 @@
 #include <vector>
 #include <iostream>
 
+#include <apt-pkg/macros.h>
+
+#ifndef APT_8_CLEANER_HEADERS
 using std::string;
+#endif
 
 class Configuration
 {
@@ -42,13 +46,13 @@ class Configuration
    
    struct Item
    {
-      string Value;
-      string Tag;
+      std::string Value;
+      std::string Tag;
       Item *Parent;
       Item *Child;
       Item *Next;
       
-      string FullTag(const Item *Stop = 0) const;
+      std::string FullTag(const Item *Stop = 0) const;
       
       Item() : Parent(0), Child(0), Next(0) {};
    };
@@ -57,7 +61,7 @@ class Configuration
    
    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
@@ -67,40 +71,54 @@ class Configuration
    
    public:
 
-   string Find(const char *Name,const char *Default = 0) const;
-   string Find(string const &Name,const char *Default = 0) const {return Find(Name.c_str(),Default);};
-   string Find(string const &Name, string const &Default) const {return Find(Name.c_str(),Default.c_str());};
-   string FindFile(const char *Name,const char *Default = 0) const;
-   string FindDir(const char *Name,const char *Default = 0) const;
-   std::vector<string> FindVector(const char *Name) const;
-   std::vector<string> FindVector(string const &Name) const { return FindVector(Name.c_str()); };
+   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<std::string> FindVector(const char *Name, std::string const &Default = "", bool const Keys = false) const;
+   std::vector<std::string> 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(string const &Name,int const &Default = 0) const {return FindI(Name.c_str(),Default);};
+   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(string const &Name,bool const &Default = false) const {return FindB(Name.c_str(),Default);};
-   string FindAny(const char *Name,const char *Default = 0) 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(const string &Name,const string &Value) {Set(Name.c_str(),Value);};
-   void CndSet(const char *Name,const string &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 string &Value);
-   void Set(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(const string &Name) const {return Exists(Name.c_str());};
+   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 string &Name);
+   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(string const &List, string const &Value);
-   void Clear(string const &List, int const &Value);
+   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();
@@ -110,7 +128,7 @@ class Configuration
    class MatchAgainstConfig
    {
      std::vector<regex_t *> patterns;
-     void clearPatterns();
+     APT_HIDDEN void clearPatterns();
 
    public:
      MatchAgainstConfig(char const * Config);
@@ -127,11 +145,11 @@ class Configuration
 
 extern Configuration *_config;
 
-bool ReadConfigFile(Configuration &Conf,const string &FName,
+bool ReadConfigFile(Configuration &Conf,const std::string &FName,
                    bool const &AsSectional = false,
                    unsigned const &Depth = 0);
 
-bool ReadConfigDir(Configuration &Conf,const string &Dir,
+bool ReadConfigDir(Configuration &Conf,const std::string &Dir,
                   bool const &AsSectional = false,
                   unsigned const &Depth = 0);