1 files changed, 40 insertions, 37 deletions

diff --git a/noncore/settings/networksettings/interfaces/interfaces.cpp b/noncore/settings/networksettings/interfaces/interfaces.cpp
index 708f399..e49998e 100644
--- a/noncore/settings/networksettings/interfaces/interfaces.cpp
+++ b/noncore/settings/networksettings/interfaces/interfaces.cpp
@@ -1,18 +1,19 @@
 #include "interfaces.h"
 
 #include <qfile.h>
 #include <qtextstream.h>
 #include <qregexp.h>
 
+// The three stanza's
 #define AUTO "auto"
 #define IFACE "iface"
 #define MAPPING "mapping"
 
 /**
  * Constructor.  Reads in the interfaces file and then split the file up by
  *  the \n for interfaces variable. 
  * @param useInterfacesFile if an interface file other then the default is
  *  desired to be used it should be passed in.
  */ 
 Interfaces::Interfaces(QString useInterfacesFile){
   acceptedFamily.append(INTERFACES_FAMILY_INET);
@@ -93,45 +94,40 @@ bool Interfaces::setAuto(const QString &interface, bool setAuto){
   
   bool changed = false;
   for ( QStringList::Iterator it = interfaces.begin(); it != interfaces.end(); ++it ) {
     if((*it).contains(AUTO)){
       //We know that they are not in any group so let add to this auto.
       if(setAuto){
         (*it) = (*it) += " " + interface;
         // Don't care to have such thins as: auto eth0   lo  usb0
         (*it) = (*it).simplifyWhiteSpace();
         changed = true;
         break;
       }
+      // else see if we need to remove from this one
       else{
         if((*it).contains(interface)){
           (*it) = (*it).replace(QRegExp(interface), "");
-          // clean up
-          QString line = (*it).simplifyWhiteSpace();
-          line = line.replace(QRegExp(" "),"");
-          if(line == AUTO)
+          // if AUTO is the only thing left clear the line
+          if(((*it).simplifyWhiteSpace()).replace(QRegExp(" "),"") == AUTO)
             (*it) = "";
           changed = true;
           // Don't break because we want to make sure we remove all cases.
         }
       }
     }
   }
-  if(changed == false){
-    if(setAuto == true)
-      interfaces.append(QString(AUTO" %1").arg(interface));
-    else{
-      qDebug(QString("Interfaces: Can't set interface %1 auto to false sense it is already false.").arg(interface).latin1());
-    }
-  }
+  // In the case where there is no AUTO field add one.
+  if(!changed && setAuto)
+    interfaces.append(QString(AUTO" %1").arg(interface));
   return true;
 }
 
 /**
  * Set the current interface to interface.  This needs to be done before you
  *  can call getFamily(), getMethod, and get/setOption().
  * @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::setInterface(QString interface){
   interface = interface.simplifyWhiteSpace();
@@ -148,68 +144,71 @@ bool Interfaces::isInterfaceSet(){
 }
 
 /**
  * Add a new interface of with the settings - family and method
  * @param interface the name of the interface to set.  All whitespace is
  *  removed from the interface name.
  * @param family the family of this interface inet or inet, ipx or inet6
  *  Must of one of the families defined in interfaces.h
  * @param method for the family.  see interfaces man page for family methods.
  * @return true if successfull.
  */ 
 bool Interfaces::addInterface(const QString &interface, const QString &family, const QString &method){
-  if(acceptedFamily.contains(family)==0)
+  if(0 == acceptedFamily.contains(family))
     return false;
   QString newInterface = interface.simplifyWhiteSpace();
   newInterface = newInterface.replace(QRegExp(" "), "");
   interfaces.append("");
   interfaces.append(QString(IFACE " %1 %2 %3").arg(newInterface).arg(family).arg(method));
   return true;
 }
 
 /**
  * Copies interface with name interface to name newInterface
  * @param newInterface name of the new interface.
  * @return bool true if successfull
  */ 
 bool Interfaces::copyInterface(const QString &interface, const QString &newInterface){
-  if(!setInterface(interface)) return false;
-         
+  if(!setInterface(interface))
+    return false;
+
+  // Store the old interface and bump past the stanza line.
   QStringList::Iterator it = currentIface;
   it++;
   
+  // Add the new interface
   bool error;
   addInterface(newInterface, getInterfaceFamily(error), getInterfaceMethod(error));
-  if(!setInterface(newInterface)) return false;
+  if(!setInterface(newInterface))
+    return false;
+  
   QStringList::Iterator newIface = currentIface;
   newIface++;
-  
+ 
+  // Copy all of the lines
   for ( ; it != interfaces.end(); ++it ){
     if(((*it).contains(IFACE) || (*it).contains(MAPPING) || (*it).contains(AUTO)))
       break;
     newIface = interfaces.insert(newIface, *it);
   }
  
   return true;
 }
 
 /**
  * Remove the currently selected interface and all of its options.
  * @return bool if successfull or not.
  */ 
 bool Interfaces::removeInterface(){
-  if(currentIface == interfaces.end())
-    return false;
-  (*currentIface) = "";
-  return removeAllInterfaceOptions();
+  return removeStanza(currentIface);
 }
 
 /**
  * Gets the hardware name of the interface that is currently selected.
  * @return QString name of the hardware interface (eth0, usb2, wlan1...).
  * @param error set to true if any error occurs, false otherwise.
  */ 
 QString Interfaces::getInterfaceName(bool &error){
   if(currentIface == interfaces.end()){
     error = true;
     return QString();
   }
@@ -223,58 +222,52 @@ QString Interfaces::getInterfaceName(bool &error){
   }
   error = false;
   return line.mid(0, findSpace);
 }
 
 /**
  * Gets the family name of the interface that is currently selected.
  * @return QString name of the family (inet, inet6, ipx).
  * @param error set to true if any error occurs, false otherwise.
  */ 
 QString Interfaces::getInterfaceFamily(bool &error){
   QString name = getInterfaceName(error);
-  if(error){
-    error = true;
+  if(error)
     return QString();
-  }
   QString line = (*currentIface);
   line = line.mid(QString(IFACE).length() +1, line.length());
   line = line.mid(name.length()+1, line.length());
   line = line.simplifyWhiteSpace();
   int findSpace = line.find(" ");
   if( findSpace < 0){
     error = true;
     return QString();
   }
   error = false;
   return line.mid(0, findSpace);
 }
 
 /**
  * Gets the method of the interface that is currently selected.
  * @return QString name of the method such as staic or dhcp.
  * See the man page of interfaces for possible methods depending on the family.
  * @param error set to true if any error occurs, false otherwise.
  */ 
 QString Interfaces::getInterfaceMethod(bool &error){
   QString name = getInterfaceName(error);
-  if(error){
-    error = true;
+  if(error)
     return QString();
-  }
   QString family = getInterfaceFamily(error);
-  if(error){
-    error = true;
+  if(error)
     return QString();
-  }
   QString line = (*currentIface);
   line = line.mid(QString(IFACE).length()+1, line.length());
   line = line.mid(name.length()+1, line.length());
   line = line.mid(family.length()+1, line.length());
   line = line.simplifyWhiteSpace();
   error = false;
   return line;
 }
 
 /**
  * Sets the interface name to newName.  
  * @param newName the new name of the interface.  All whitespace is removed.
@@ -382,28 +375,25 @@ bool Interfaces::setMapping(const QString &interface){
  * @param interface the name(s) of the interfaces to set to this mapping
  */ 
 void Interfaces::addMapping(const QString &option){
   interfaces.append("");
   interfaces.append(QString(MAPPING " %1").arg(option));
 }
 
 /**
  * Remove the currently selected map and all of its options.
  * @return bool if successfull or not.
  */
 bool Interfaces::removeMapping(){
-  if(currentMapping == interfaces.end())
-    return false;
-  (*currentMapping) = "";
-  return removeAllOptions(currentMapping);
+  return removeStanza(currentMapping);
 } 
 
 /**
  * Set a map option within a mapping.
  * @param map map to use
  * @param value value to go with map
  * @return bool true if it is successfull.
  */ 
 bool Interfaces::setMap(const QString &map, const QString &value){
   return setOption(currentMapping, map, value);
 }
 
@@ -511,24 +501,37 @@ bool Interfaces::setOption(const QStringList::Iterator &start, const QString &op
         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 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 ) {
@@ -582,32 +585,32 @@ QString Interfaces::getOption(const QStringList::Iterator &start, const QString
     error = false;
     return QString();
   }
   
   QString value;
   bool found = false;
   for ( QStringList::Iterator it = start; it != interfaces.end(); ++it ) {
     if(((*it).contains(IFACE) || (*it).contains(MAPPING) || (*it).contains(AUTO))  && it != start){
       break;
     }
     if((*it).contains(option) && (*it).at(0) != '#'){
       if(found)
-        qDebug(QString("Interfaces: Get Options found more then one value: %1 for option: %2 in stanza %3").arg((*it)).arg(option).arg((*start)).latin1());
+        qDebug(QString("Interfaces: getOption found more then one value: %1 for option: %2 in stanza %3").arg((*it)).arg(option).arg((*start)).latin1());
       found = true;
       QString line = (*it).simplifyWhiteSpace();
       int space = line.find(" ", option.length());
-      if(space != -1)
+      if(space != -1){
         value = line.mid(space+1, line.length());
-      else
-        qDebug(QString("Interfaces: Option %1 with no value").arg(option).latin1());
+        break;
+      }
     }
   }
   error = !found;
   return value;
 }
 
 /**
  * Write out the interfaces file to the file passed into the constructor.
  * Removes any excess blank lines over 1 line long.
  * @return bool true if successfull, false if not.
  */ 
 bool Interfaces::write(){