Add remove methods which do not require that you pass the current value of the option, to avoid having to retain that information unnecessarily

2 files changed, 39 insertions, 0 deletions

diff --git a/noncore/settings/networksettings/interfaces/interfaces.cpp b/noncore/settings/networksettings/interfaces/interfaces.cpp
index 8f685fe..8d3e151 100644
--- a/noncore/settings/networksettings/interfaces/interfaces.cpp
+++ b/noncore/settings/networksettings/interfaces/interfaces.cpp
@@ -312,64 +312,74 @@ bool Interfaces::setInterfaceMethod(const QString &newName){
   return !returnValue;  
 }
 
 /**
  * Get a value for an option in the currently selected interface.  For example
  *  calling getInterfaceOption("address") on the following stanza would
  *  return 192.168.1.1.
  *  iface eth0 static
  *    address 192.168.1.1
  * @param option the options to get the value.
  * @param error set to true if any error occurs, false otherwise.
  * @return QString the options value. QString::null if error == true
  */ 
 QString Interfaces::getInterfaceOption(const QString &option, bool &error){
   return getOption(currentIface, option, error);
 }
 
 /**
  * Set a value for an option in the currently selected interface.  If option
  *  doesn't exist then it is added along with the value.
  * @param option the options to set the value.
  * @param value the value that option should be set to.
  * @param error set to true if any error occurs, false otherwise.
  * @return QString the options value. QString::null if error == true
  */ 
 bool Interfaces::setInterfaceOption(const QString &option, const QString &value){
   return setOption(currentIface, option, value);
 }
 
 /**
  * Removes a value for an option in the currently selected interface. 
  * @param option the options to set the value.
+ * @param error set to true if any error occurs, false otherwise.
+ * @return QString the options value. QString::null if error == true
+ */ 
+bool Interfaces::removeInterfaceOption(const QString &option){
+  return removeOption(currentIface, option);
+}
+
+/**
+ * Removes a value for an option in the currently selected interface. 
+ * @param option the options to set the value.
  * @param value the value that option should be set to.
  * @param error set to true if any error occurs, false otherwise.
  * @return QString the options value. QString::null if error == true
  */ 
 bool Interfaces::removeInterfaceOption(const QString &option, const QString &value){
   return removeOption(currentIface, option, value);
 }
 
 /**
  * Removes all of the options from the currently selected interface.
  * @return bool error if if successfull 
  */ 
 bool Interfaces::removeAllInterfaceOptions(){
   return removeAllOptions(currentIface);
 }
 
 /**
  * Set the current map to interface's map.  This needs to be done before you
  *  can call addMapping(), set/getMap(), and get/setScript().
  * @param interface the name of the interface to set.  All whitespace is
  *  removed from the interface name.
  * @return bool true if it is successfull. 
  */ 
 bool Interfaces::setMapping(const QString &interface){
   QString interfaceName = interface.simplifyWhiteSpace();
   interfaceName = interfaceName.replace(QRegExp(" "), "");
   return setStanza(MAPPING, interfaceName, currentMapping);
 }
 
 /**
  * Adds a new Mapping to the interfaces file with interfaces.
  * @param interface the name(s) of the interfaces to set to this mapping
@@ -497,64 +507,91 @@ bool Interfaces::setOption(const QStringList::Iterator &start, const QString &op
     }
     if((*it).contains(option) && it != start && (*it).at(0) != '#'){
       // Found it in stanza so replace it.
       if(found)
         qDebug(QString("Interfaces: Set Options found more then one value for option: %1 in stanza: %1").arg(option).arg((*start)).latin1());
       found = true;
         (*it) = QString("\t%1 %2").arg(option).arg(value);
     }
   }
   if(!found){
     QStringList::Iterator p = start;
     interfaces.insert(++p, QString("\t%1 %2").arg(option).arg(value));
     found = true;
   }
   return found;
 }
 
 /**
  * Removes a stanza and all of its options
  * @param stanza the stanza to remove
  * @return bool true if successfull.
  */ 
 bool Interfaces::removeStanza(QStringList::Iterator &stanza){
   if(stanza == interfaces.end())
     return false;
   (*stanza) = "";
   return removeAllOptions(stanza);
 }
 
 /**
  * Removes a option in a stanza
  * @param start the start of the stanza
+ * @param option the option to remove
+ * @return bool true if successfull, false otherwise.
+ */
+bool Interfaces::removeOption(const QStringList::Iterator &start, const QString &option){
+  if(start == interfaces.end())
+    return false;
+  
+  bool found = false;
+  for ( QStringList::Iterator it = start; it != interfaces.end(); ++it ) {
+    if(((*it).contains(IFACE) || (*it).contains(MAPPING) || (*it).contains(AUTO))  && it != start){
+      // got to the end without finding it
+      break;
+    }
+    if((*it).contains(option) && it != start && (*it).at(0) != '#'){
+      // Found it in stanza so replace it.
+      if(found)
+        qDebug(QString("Interfaces: Set Options found more then one value for option: %1 in stanza: %1").arg(option).arg((*start)).latin1());
+      found = true;
+      (*it) = "";
+    }
+  }
+  return found;
+}
+
+/**
+ * Removes a option in a stanza
+ * @param start the start of the stanza
  * @param option the option to use when setting value.
  * @return bool true if successfull, false otherwise.
  */
 bool Interfaces::removeOption(const QStringList::Iterator &start, const QString &option, const QString &value){
   if(start == interfaces.end())
     return false;
   
   bool found = false;
   for ( QStringList::Iterator it = start; it != interfaces.end(); ++it ) {
     if(((*it).contains(IFACE) || (*it).contains(MAPPING) || (*it).contains(AUTO))  && it != start){
       // got to the end without finding it
       break;
     }
     if((*it).contains(option) && (*it).contains(value) && it != start && (*it).at(0) != '#'){
       // Found it in stanza so replace it.
       if(found)
         qDebug(QString("Interfaces: Set Options found more then one value for option: %1 in stanza: %1").arg(option).arg((*start)).latin1());
       found = true;
       (*it) = "";
     }
   }
   return found;
 }
 
 /**
  * Removes all options in a stanza
  * @param start the start of the stanza
  * @return bool true if successfull, false otherwise.
  */
 bool Interfaces::removeAllOptions(const QStringList::Iterator &start){
   if(start == interfaces.end())
     return false;
diff --git a/noncore/settings/networksettings/interfaces/interfaces.h b/noncore/settings/networksettings/interfaces/interfaces.h
index bac2a7e..bc9eaaa 100644
--- a/noncore/settings/networksettings/interfaces/interfaces.h
+++ b/noncore/settings/networksettings/interfaces/interfaces.h
@@ -12,66 +12,68 @@
 
 #define INTERFACES_METHOD_DHCP "dhcp"
 #define INTERFACES_METHOD_STATIC "static"
 #define INTERFACES_METHOD_PPP "ppp"
 
 /**
  * This class provides a clean frontend for parsing the network interfaces file.
  * It provides helper functions to minipulate the options within the file.
  * See the interfaces man page for the syntax rules.
  */
 class Interfaces {
 
 public:
   Interfaces(QString useInterfacesFile = "/etc/network/interfaces");
   QStringList getInterfaceList();
   
   bool isAuto(const QString &interface) const ;
   bool setAuto(const QString &interface, bool setAuto);
   
   bool removeInterface();
   bool addInterface(const QString &interface, const QString &family, const QString &method);
   bool copyInterface(const QString &oldInterface, const QString &newInterface);
   bool setInterface(QString interface);
   bool isInterfaceSet() const ;
   QString getInterfaceName(bool &error);
   bool setInterfaceName(const QString &newName);
   QString getInterfaceFamily(bool &error);
   bool setInterfaceFamily(const QString &newName);
   QString getInterfaceMethod(bool &error);
   bool setInterfaceMethod(const QString &newName);
   QString getInterfaceOption(const QString &option, bool &error); 
   bool setInterfaceOption(const QString &option, const QString &value);
+  bool removeInterfaceOption(const QString &option);
   bool removeInterfaceOption(const QString &option, const QString &value);
   bool removeAllInterfaceOptions();
   
   bool setMapping(const QString &interface);
   bool removeMapping();
   void addMapping(const QString &options);
   bool setMap(const QString &map, const QString &value);
   bool removeMap(const QString &map, const QString &value);
   QString getMap(const QString &map, bool &error);
   bool setScript(const QString &argument);
   QString getScript(bool &error);
                   
   bool write();
   
 private:
   bool setStanza(const QString &stanza, const QString &option, QStringList::Iterator &iterator);
   bool removeStanza(QStringList::Iterator &stanza);
   bool setOption(const QStringList::Iterator &start, const QString &option, const QString &value);
   bool removeAllOptions(const QStringList::Iterator &start);
+  bool removeOption(const QStringList::Iterator &start, const QString &option);
   bool removeOption(const QStringList::Iterator &start, const QString &option, const QString &value);
   QString getOption(const QStringList::Iterator &start, const QString &option, bool &error);
   
   QString interfacesFile;
   QStringList interfaces;
   QStringList::Iterator currentIface;
   QStringList::Iterator currentMapping;
 
   QStringList acceptedFamily;
 };
 
 #endif
 
 // interfaces