* apt-pkg/contrib/configuration.cc:

[ntk/apt.git] / apt-pkg / contrib / configuration.cc

diff --git a/apt-pkg/contrib/configuration.cc b/apt-pkg/contrib/configuration.cc
index 81cc87d..ff80dfa 100644 (file)
--- a/apt-pkg/contrib/configuration.cc
+++ b/apt-pkg/contrib/configuration.cc
@@ -15,16 +15,19 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include files                                                       /*{{{*/
+#include <config.h>
+
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/fileutl.h>
-#include <apti18n.h>
 
 #include <vector>
 #include <fstream>
 #include <iostream>
 
+#include <apti18n.h>
+
 using namespace std;
                                                                        /*}}}*/
 
@@ -182,8 +185,14 @@ string Configuration::FindFile(const char *Name,const char *Default) const
    }
    
    string val = Itm->Value;
-   while (Itm->Parent != 0 && Itm->Parent->Value.empty() == false)
-   {    
+   while (Itm->Parent != 0)
+   {
+      if (Itm->Parent->Value.empty() == true)
+      {
+        Itm = Itm->Parent;
+        continue;
+      }
+
       // Absolute
       if (val.length() >= 1 && val[0] == '/')
          break;
@@ -318,6 +327,19 @@ void Configuration::CndSet(const char *Name,const string &Value)
       Itm->Value = Value;
 }
                                                                        /*}}}*/
+// Configuration::Set - Set an integer value                           /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void Configuration::CndSet(const char *Name,int const Value)
+{
+   Item *Itm = Lookup(Name,true);
+   if (Itm == 0 || Itm->Value.empty() == false)
+      return;
+   char S[300];
+   snprintf(S,sizeof(S),"%i",Value);
+   Itm->Value = S;
+}
+                                                                       /*}}}*/
 // Configuration::Set - Set a value                                    /*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -460,24 +482,80 @@ bool Configuration::ExistsAny(const char *Name) const
 /* Dump the entire configuration space */
 void Configuration::Dump(ostream& str)
 {
-   /* Write out all of the configuration directives by walking the 
+   Dump(str, NULL, "%f \"%v\";\n", true);
+}
+void Configuration::Dump(ostream& str, char const * const root,
+                        char const * const formatstr, bool const emptyValue)
+{
+   const Configuration::Item* Top = Tree(root);
+   if (Top == 0)
+      return;
+   const Configuration::Item* const Root = (root == NULL) ? NULL : Top;
+   std::vector<std::string> const format = VectorizeString(formatstr, '%');
+
+   /* Write out all of the configuration directives by walking the
       configuration tree */
-   const Configuration::Item *Top = Tree(0);
-   for (; Top != 0;)
-   {
-      str << Top->FullTag() << " \"" << Top->Value << "\";" << endl;
-      
+   do {
+      if (emptyValue == true || Top->Value.empty() == emptyValue)
+      {
+        std::vector<std::string>::const_iterator f = format.begin();
+        str << *f;
+        for (++f; f != format.end(); ++f)
+        {
+           if (f->empty() == true)
+           {
+              ++f;
+              str << '%' << *f;
+              continue;
+           }
+           char const type = (*f)[0];
+           if (type == 'f')
+              str << Top->FullTag();
+           else if (type == 't')
+              str << Top->Tag;
+           else if (type == 'v')
+              str << Top->Value;
+           else if (type == 'F')
+              str << QuoteString(Top->FullTag(), "=\"\n");
+           else if (type == 'T')
+              str << QuoteString(Top->Tag, "=\"\n");
+           else if (type == 'V')
+              str << QuoteString(Top->Value, "=\"\n");
+           else if (type == 'n')
+              str << "\n";
+           else if (type == 'N')
+              str << "\t";
+           else
+              str << '%' << type;
+           str << f->c_str() + 1;
+        }
+      }
+
       if (Top->Child != 0)
       {
         Top = Top->Child;
         continue;
       }
-      
+
       while (Top != 0 && Top->Next == 0)
         Top = Top->Parent;
       if (Top != 0)
         Top = Top->Next;
-   }
+
+      if (Root != NULL)
+      {
+        const Configuration::Item* I = Top;
+        while(I != 0)
+        {
+           if (I == Root)
+              break;
+           else
+              I = I->Parent;
+        }
+        if (I == 0)
+           break;
+      }
+   } while (Top != 0);
 }
                                                                        /*}}}*/
 
@@ -659,9 +737,9 @@ bool ReadConfigFile(Configuration &Conf,const string &FName,bool const &AsSectio
            // Put the last fragment into the buffer
            std::string::const_iterator NonWhitespaceStart = Start;
            std::string::const_iterator NonWhitespaceStop = I;
-           for (; NonWhitespaceStart != I && isspace(*NonWhitespaceStart) != 0; NonWhitespaceStart++)
+           for (; NonWhitespaceStart != I && isspace(*NonWhitespaceStart) != 0; ++NonWhitespaceStart)
              ;
-           for (; NonWhitespaceStop != NonWhitespaceStart && isspace(NonWhitespaceStop[-1]) != 0; NonWhitespaceStop--)
+           for (; NonWhitespaceStop != NonWhitespaceStart && isspace(NonWhitespaceStop[-1]) != 0; --NonWhitespaceStop)
              ;
            if (LineBuffer.empty() == false && NonWhitespaceStop - NonWhitespaceStart != 0)
               LineBuffer += ' ';
@@ -837,7 +915,7 @@ bool ReadConfigDir(Configuration &Conf,const string &Dir,
    vector<string> const List = GetListOfFilesInDir(Dir, "conf", true, true);
 
    // Read the files
-   for (vector<string>::const_iterator I = List.begin(); I != List.end(); I++)
+   for (vector<string>::const_iterator I = List.begin(); I != List.end(); ++I)
       if (ReadConfigFile(Conf,*I,AsSectional,Depth) == false)
         return false;
    return true;
@@ -857,22 +935,31 @@ Configuration::MatchAgainstConfig::MatchAgainstConfig(char const * Config)
       {
         regfree(p);
         delete p;
-        _error->Warning("Regex compilation error for '%s' in configuration option '%s'",
-                               s->c_str(), Config);
+        _error->Warning("Invalid regular expression '%s' in configuration "
+                         "option '%s' will be ignored.",
+                         s->c_str(), Config);
+        continue;
       }
-    }
-
+   }
+   if (strings.size() == 0)
+      patterns.push_back(NULL);
 }
                                                                        /*}}}*/
 // MatchAgainstConfig Destructor                                       /*{{{*/
 Configuration::MatchAgainstConfig::~MatchAgainstConfig()
+{
+   clearPatterns();
+}
+void Configuration::MatchAgainstConfig::clearPatterns()
 {
    for(std::vector<regex_t *>::const_iterator p = patterns.begin();
        p != patterns.end(); ++p)
    {
+      if (*p == NULL) continue;
       regfree(*p);
       delete *p;
    }
+   patterns.clear();
 }
                                                                        /*}}}*/
 // MatchAgainstConfig::Match - returns true if a pattern matches       /*{{{*/
@@ -880,7 +967,7 @@ bool Configuration::MatchAgainstConfig::Match(char const * str) const
 {
    for(std::vector<regex_t *>::const_iterator p = patterns.begin();
        p != patterns.end(); ++p)
-      if (regexec(*p, str, 0, 0, 0) == 0)
+      if (*p != NULL && regexec(*p, str, 0, 0, 0) == 0)
         return true;
 
    return false;