+ fixes #0001237: the project file is not saved when the /tmp directory is full, but the user is not aware of it

src/Base/Writer.cpp

@@ -141,6 +141,26 @@ void Writer::clearModes()
     Modes.clear();
 }
 
+void Writer::addError(const std::string& msg)
+{
+    Errors.push_back(msg);
+}
+
+bool Writer::hasErrors() const
+{
+    return (!Errors.empty());
+}
+
+void Writer::clearErrors()
+{
+    Errors.clear();
+}
+
+std::vector<std::string> Writer::getErrors() const
+{
+    return Errors;
+}
+
 std::string Writer::addFile(const char* Name,const Base::Persistence *Object)
 {
     // always check isForceXML() before requesting a file!

src/Base/Writer.h

@@ -95,6 +95,14 @@ public:
     void clearModes();
     //@}
 
+    /** @name Error handling */
+    //@{
+    void addError(const std::string&);
+    bool hasErrors() const;
+    void clearErrors();
+    std::vector<std::string> getErrors() const;
+    //@}
+
     /** @name pretty formating for XML */
     //@{
     /// get the current indentation
@@ -118,6 +126,7 @@ protected:
     };
     std::vector<FileEntry> FileList;
     std::vector<std::string> FileNames;
+    std::vector<std::string> Errors;
     std::set<std::string> Modes;
 
     short indent;