added getFieldDescriptor method.

2 files changed, 21 insertions, 0 deletions

diff --git a/src/core/model/Domain.cpp b/src/core/model/Domain.cpp
index 20a9d42..806b9b8 100644
--- a/src/core/model/Domain.cpp
+++ b/src/core/model/Domain.cpp
@@ -265,6 +265,17 @@ ssize_t Descriptor::getFieldDescriptorIndex(Handle<FieldDescriptor> fd) const
 	return -1;
 }
 
+Rooted<FieldDescriptor> Descriptor::getFieldDescriptor(
+    const std::string &name) const
+{
+	for (auto &fd : getFieldDescriptors()) {
+		if (fd->getName() == name) {
+			return fd;
+		}
+	}
+	return nullptr;
+}
+
 void Descriptor::addFieldDescriptor(Handle<FieldDescriptor> fd)
 {
 	// only add it if we need to.
diff --git a/src/core/model/Domain.hpp b/src/core/model/Domain.hpp
index db3b9e6..24199b1 100644
--- a/src/core/model/Domain.hpp
+++ b/src/core/model/Domain.hpp
@@ -515,6 +515,16 @@ public:
 	 *           FieldDescriptor is not registered at this Descriptor.
 	 */
 	ssize_t getFieldDescriptorIndex(Handle<FieldDescriptor> fd) const;
+	/**
+	 * Returns the FieldDescriptor with the given name.
+	 *
+	 * @param name the name of a FieldDescriptor.
+
+	 * @return     the FieldDescriptor with the given name or a nullptr if no
+	 *             such FieldDescriptor was found.
+	 */
+	Rooted<FieldDescriptor> getFieldDescriptor(
+	    const std::string &name = DEFAULT_FIELD_NAME) const;
 
 	/**
 	 * This returns true if this Descriptor has a FieldDescriptor with the