Use a hardcoded buffer size of 4096 to fix performance

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

diff --git a/apt-pkg/contrib/configuration.h b/apt-pkg/contrib/configuration.h
index f6f2a3c1d7e5a46c19b90b23e1c141c40903874e..97a01e4cfa25f41cece02043b2507c79c5615058 100644 (file)
--- a/apt-pkg/contrib/configuration.h
+++ b/apt-pkg/contrib/configuration.h
@@ -34,6 +34,12 @@
 #include <vector>
 #include <iostream>
 
+#include <apt-pkg/macros.h>
+
+#ifndef APT_8_CLEANER_HEADERS
+using std::string;
+#endif
+
 class Configuration
 {
    public:
@@ -55,7 +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
@@ -70,8 +76,17 @@ class Configuration
    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;
-   std::vector<std::string> FindVector(const char *Name) const;
-   std::vector<std::string> FindVector(std::string const &Name) const { return FindVector(Name.c_str()); };
+   /** 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(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;
@@ -88,8 +103,11 @@ class Configuration
    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);
@@ -99,6 +117,8 @@ class Configuration
 
    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();
@@ -108,7 +128,7 @@ class Configuration
    class MatchAgainstConfig
    {
      std::vector<regex_t *> patterns;
-     void clearPatterns();
+     APT_HIDDEN void clearPatterns();
 
    public:
      MatchAgainstConfig(char const * Config);