merged from lp:~donkult/apt/sid

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

diff --git a/apt-pkg/contrib/configuration.cc b/apt-pkg/contrib/configuration.cc
index 7588b041c5f537800dabb2e6f349c2e224868fdd..cc7093fe2cf4146c1574dcd38f03fead67ed2dc6 100644 (file)
--- a/apt-pkg/contrib/configuration.cc
+++ b/apt-pkg/contrib/configuration.cc
@@ -773,6 +773,8 @@ bool ReadConfigFile(Configuration &Conf,const string &FName,bool const &AsSectio
               else
                  return _error->Error(_("Syntax error %s:%u: Unsupported directive '%s'"),FName.c_str(),CurLine,Tag.c_str());
            }
+           else if (Tag.empty() == true && NoWord == false && Word == "#clear")
+              return _error->Error(_("Syntax error %s:%u: clear directive requires an option tree as argument"),FName.c_str(),CurLine);
            else
            {
               // Set the item in the configuration class
@@ -841,3 +843,54 @@ bool ReadConfigDir(Configuration &Conf,const string &Dir,
    return true;
 }
                                                                        /*}}}*/
+// MatchAgainstConfig Constructor                                      /*{{{*/
+Configuration::MatchAgainstConfig::MatchAgainstConfig(char const * Config)
+{
+   std::vector<std::string> const strings = _config->FindVector(Config);
+   for (std::vector<std::string>::const_iterator s = strings.begin();
+       s != strings.end(); ++s)
+   {
+      regex_t *p = new regex_t;
+      if (regcomp(p, s->c_str(), REG_EXTENDED | REG_ICASE | REG_NOSUB) == 0)
+        patterns.push_back(p);
+      else
+      {
+        regfree(p);
+        delete p;
+        clearPatterns();
+        _error->Warning("Regex compilation error for '%s' in configuration option '%s'",
+                               s->c_str(), Config);
+        return;
+      }
+   }
+   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;
+   }
+}
+                                                                       /*}}}*/
+// MatchAgainstConfig::Match - returns true if a pattern matches       /*{{{*/
+bool Configuration::MatchAgainstConfig::Match(char const * str) const
+{
+   for(std::vector<regex_t *>::const_iterator p = patterns.begin();
+       p != patterns.end(); ++p)
+      if (*p != NULL && regexec(*p, str, 0, 0, 0) == 0)
+        return true;
+
+   return false;
+}
+                                                                       /*}}}*/