From ad42d73cd36d27757e57928f5c1db490fc37fb88 Mon Sep 17 00:00:00 2001
From: Brian Potchik <brian@vector35.com>
Date: Mon, 31 Oct 2022 15:20:31 -0400
Subject: Add LoadSettingsFile API to support ephemeral settings.

---
 binaryninjaapi.h   | 13 +++++++++++++
 binaryninjacore.h  |  3 ++-
 python/settings.py | 19 +++++++++++++++++++
 settings.cpp       |  6 ++++++
 4 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/binaryninjaapi.h b/binaryninjaapi.h
index f6167129..55838df9 100644
--- a/binaryninjaapi.h
+++ b/binaryninjaapi.h
@@ -12558,6 +12558,19 @@ namespace BinaryNinja {
 		static Ref<Settings> Instance(const std::string& schemaId = "");
 		virtual ~Settings() {}
 
+		/*! Sets the file that this \c Settings instance uses when initially loading, and modifying \
+			settings for the specified scope.
+
+			\note At times it may be useful to make ephemeral changes to settings that are not saved to file. This can be accomplished \
+			by calling \c LoadSettingsFile without specifying a filename. This action also resets settings to their default value.
+
+			\param fileName the settings filename
+			\param scope the BNSettingsScope
+			\param view a BinaryView object
+			\return True if the load is successful, False otherwise
+		*/
+		bool LoadSettingsFile(const std::string& fileName, BNSettingsScope scope = SettingsAutoScope, Ref<BinaryView> view = nullptr);
+
 		/*! Sets the resource identifier for this \c Settings instance. When accessing setting values at the
 			\c SettingsResourceScope level, the resource identifier is passed along through the backing store interface.
 
diff --git a/binaryninjacore.h b/binaryninjacore.h
index 42f3d861..ee5fe260 100644
--- a/binaryninjacore.h
+++ b/binaryninjacore.h
@@ -36,7 +36,7 @@
 // Current ABI version for linking to the core. This is incremented any time
 // there are changes to the API that affect linking, including new functions,
 // new types, or modifications to existing functions or types.
-#define BN_CURRENT_CORE_ABI_VERSION 26
+#define BN_CURRENT_CORE_ABI_VERSION 27
 
 // Minimum ABI version that is supported for loading of plugins. Plugins that
 // are linked to an ABI version less than this will not be able to load and
@@ -6078,6 +6078,7 @@ extern "C"
 	BINARYNINJACOREAPI BNSettings* BNCreateSettings(const char* schemaId);
 	BINARYNINJACOREAPI BNSettings* BNNewSettingsReference(BNSettings* settings);
 	BINARYNINJACOREAPI void BNFreeSettings(BNSettings* settings);
+	BINARYNINJACOREAPI bool BNLoadSettingsFile(BNSettings* settings, const char* fileName, BNSettingsScope scope, BNBinaryView* view);
 	BINARYNINJACOREAPI void BNSettingsSetResourceId(BNSettings* settings, const char* resourceId);
 	BINARYNINJACOREAPI bool BNSettingsRegisterGroup(BNSettings* settings, const char* group, const char* title);
 	BINARYNINJACOREAPI bool BNSettingsRegisterSetting(BNSettings* settings, const char* key, const char* properties);
diff --git a/python/settings.py b/python/settings.py
index 55f0538f..8c0372b4 100644
--- a/python/settings.py
+++ b/python/settings.py
@@ -158,6 +158,25 @@ class Settings:
 		"""Returns the ``instance_id`` for this :class:`Settings` repository (read-only)"""
 		return self._instance_id
 
+		"""
+		``load_settings_file`` Sets the file that this class:`Settings` instance uses when initially loading, and modifying \
+		settings for the specified scope.
+
+		.. note:: At times it may be useful to make ephemeral changes to settings that are not saved to file. This can be accomplished \
+		by calling :func:`load_settings_file` without specifying a filename. This action also resets settings to their default value.
+
+		:param str filename: the settings filename
+		:param scope: the SettingsScope
+		:param BinaryView view: a BinaryView object
+		:rtype: bool
+		"""
+	def load_settings_file(self, filename=None, scope=SettingsScope.SettingsAutoScope, view=None):
+		if filename is None:
+			filename = ""
+		if view is not None:
+			view = view.handle
+		return core.BNLoadSettingsFile(self.handle, filename, scope, view)
+
 	def set_resource_id(self, resource_id=None):
 		"""
 		``set_resource_id`` Sets the resource identifier for this class:`Settings` instance. When accessing setting values at the \
diff --git a/settings.cpp b/settings.cpp
index 14d4f0e4..d3c80952 100644
--- a/settings.cpp
+++ b/settings.cpp
@@ -28,6 +28,12 @@ Ref<Settings> Settings::Instance(const std::string& instanceId)
 }
 
 
+bool Settings::LoadSettingsFile(const string& fileName, BNSettingsScope scope, Ref<BinaryView> view)
+{
+	return BNLoadSettingsFile(m_object, fileName.c_str(), scope, view ? view->GetObject() : nullptr);
+}
+
+
 void Settings::SetResourceId(const string& resourceId)
 {
 	return BNSettingsSetResourceId(m_object, resourceId.c_str());
-- 
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