AURORA: Add GFF3Struct::addField()

src/aurora/gff3file.cpp

@@ -785,6 +785,28 @@ const GFF3List &GFF3Struct::getList(const Common::UString &field) const {
 	return _parent->getList(f->data / 4);
 }
 
+// --- Field adding and deleting ---
+
+void GFF3Struct::addField(const Common::UString &field, FieldType type) {
+	if ((type <= kFieldTypeNone) || (type >= kFieldTypeMAX))
+		throw Common::Exception("GFF3: Invalid field type");
+
+	if (type == kFieldTypeStruct)
+		throw Common::Exception("GFF3: Can't create a struct with addField()");
+	if (type == kFieldTypeList)
+		throw Common::Exception("GFF3: Can't create a list with addField()");
+
+	Field f(type);
+
+	std::pair<FieldMap::iterator, bool> result;
+
+	result = _fields.insert(std::make_pair(field, f));
+	if (!result.second)
+		throw Common::Exception("GFF3: Field \"%s\" already exists", field.c_str());
+
+	_fieldNames.push_back(field);
+}
+
 // --- Field value write helpers ---
 
 GFF3Struct::Field *GFF3Struct::getField(const Common::UString &name) {

src/aurora/gff3file.h

@@ -185,7 +185,9 @@ class GFF3Struct {
 		kFieldTypeList        =  15, ///< List containing a number of structs.
 		kFieldTypeOrientation =  16, ///< An object orientation.
 		kFieldTypeVector      =  17, ///< A vector of 3 floats.
-		kFieldTypeStrRef      =  18  ///< String reference, index into a talk table.
+		kFieldTypeStrRef      =  18, ///< String reference, index into a talk table.
+
+		kFieldTypeMAX
 	};
 
 	/** Return the struct's unique ID within the GFF3.
@@ -253,6 +255,15 @@ class GFF3Struct {
 	const GFF3List   &getList  (const Common::UString &field) const;
 	// '---
 
+	// .--- Field adder/deleter
+	/** Create an empty field with this name and type.
+	 *
+	 *  The field in question must not already exists.
+	 *  Structs and lists cannot be added/created with this method.
+	 */
+	void addField(const Common::UString &field, FieldType type);
+	// '---
+
 	// .--- Write field values
 	void setChar(const Common::UString &field, char   value);
 	void setUint(const Common::UString &field, uint64 value);