Added negative filter conversions to objects

5 files changed, 103 insertions, 40 deletions

@@ -102,6 +102,16 @@ namespace verbly {
       return (id == id_);
     }
 
+    filter operator!() const
+    {
+      if (!valid_)
+      {
+        throw std::domain_error("Bad access to uninitialized form");
+      }
+
+      return (id != id_);
+    }
+
     // Relationships to other objects
 
     static field words(inflection category);
@@ -83,6 +83,16 @@ namespace verbly {
       return (id == id_);
     }
 
+    filter operator!() const
+    {
+      if (!valid_)
+      {
+        throw std::domain_error("Bad access to uninitialized frame");
+      }
+
+      return (id != id_);
+    }
+
     // Relationships to other objects
 
     static const field words;
@@ -119,9 +119,24 @@ namespace verbly {
     
     operator filter() const
     {
+      if (!valid_)
+      {
+        throw std::domain_error("Bad access to uninitialized notion");
+      }
+
       return (id == id_);
     }
     
+    filter operator!() const
+    {
+      if (!valid_)
+      {
+        throw std::domain_error("Bad access to uninitialized notion");
+      }
+
+      return (id != id_);
+    }
+
     // Relationships with other objects
     
     static const field words;
@@ -10,128 +10,143 @@
 struct sqlite3_stmt;
 
 namespace verbly {
-  
+
   class form;
   class word;
   class database;
-  
+
   class pronunciation {
   public:
-    
+
     // Default constructor
-    
+
     pronunciation() = default;
-    
+
     // Construct from database
-    
+
     pronunciation(const database& db, sqlite3_stmt* row);
-    
+
     // Accessors
-    
+
     bool isValid() const
     {
       return valid_;
     }
-    
+
     int getId() const
     {
       if (!valid_)
       {
         throw std::domain_error("Bad access to uninitialized pronunciation");
       }
-      
+
       return id_;
     }
-    
+
     const std::vector<std::string>& getPhonemes() const
     {
       if (!valid_)
       {
         throw std::domain_error("Bad access to uninitialized pronunciation");
       }
-      
+
       return phonemes_;
     }
-    
+
     int getSyllables() const
     {
       if (!valid_)
       {
         throw std::domain_error("Bad access to uninitialized pronunciation");
       }
-      
+
       return syllables_;
     }
-    
+
     std::string getStress() const
     {
       if (!valid_)
       {
         throw std::domain_error("Bad access to uninitialized pronunciation");
       }
-      
+
       return stress_;
     }
-    
+
     bool hasRhyme() const
     {
       if (!valid_)
       {
         throw std::domain_error("Bad access to uninitialized pronunciation");
       }
-      
+
       return hasRhyme_;
     }
-    
+
     std::string getPrerhyme() const
     {
       if (!valid_)
       {
         throw std::domain_error("Bad access to uninitialized pronunciation");
       }
-      
+
       if (!hasRhyme_)
       {
         throw std::domain_error("This pronunciation has no rhyme");
       }
-      
+
       return prerhyme_;
     }
-    
+
     std::string getRhyme() const
     {
       if (!valid_)
       {
         throw std::domain_error("Bad access to uninitialized pronunciation");
       }
-      
+
       if (!hasRhyme_)
       {
         throw std::domain_error("This pronunciation has no rhyme");
       }
-      
+
       return rhyme_;
     }
-    
+
     // Type info
-    
+
     static const object objectType;
-    
+
     static const std::list<std::string> select;
-    
+
     // Query fields
-    
+
     static const field id;
     static const field numOfSyllables;
     static const field stress;
-    
+
     operator filter() const
     {
+      if (!valid_)
+      {
+        throw std::domain_error("Bad access to uninitialized pronunciation");
+      }
+
       return (id == id_);
     }
-    
+
+    filter operator!() const
+    {
+      if (!valid_)
+      {
+        throw std::domain_error("Bad access to uninitialized pronunciation");
+      }
+
+      return (id != id_);
+    }
+
     // Relationships to other objects
-    
+
     static const field forms;
 
     // Rhyming relationship
@@ -150,10 +165,10 @@ namespace verbly {
     };
 
     static const rhymes_field rhymes;
-    
+
   private:
     bool valid_ = false;
-    
+
     int id_;
     std::vector<std::string> phonemes_;
     int syllables_;
@@ -161,14 +176,14 @@ namespace verbly {
     bool hasRhyme_ = false;
     std::string prerhyme_;
     std::string rhyme_;
-    
+
     const database* db_;
-    
+
     static const field prerhyme;
     static const field rhyme;
-    
+
   };
-  
+
 };
 
 #endif /* end of include guard: PRONUNCIATION_H_C68F86B0 */
@@ -105,8 +105,6 @@ namespace verbly {
 
     const std::vector<form>& getInflections(inflection category) const;
 
-
-
     // Type info
 
     static const object objectType;
@@ -121,9 +119,24 @@ namespace verbly {
 
     operator filter() const
     {
+      if (!valid_)
+      {
+        throw std::domain_error("Bad access to uninitialized word");
+      }
+
       return (id == id_);
     }
 
+    filter operator!() const
+    {
+      if (!valid_)
+      {
+        throw std::domain_error("Bad access to uninitialized word");
+      }
+
+      return (id != id_);
+    }
+
     // Relationships with other objects
 
     static const field notions;