From 8fe7d520beb49d09db41b07a4047aac7d7d6623e Mon Sep 17 00:00:00 2001
From: Bastien Bouclet
Date: Thu, 28 Dec 2017 19:51:24 +0100
Subject: VKEYBD: Fallback to SearchMan when loading keyboard packs

---
 backends/vkeybd/virtual-keyboard.cpp | 42 ++++++++++++++++--------------------
 backends/vkeybd/virtual-keyboard.h   |  4 ++--
 2 files changed, 21 insertions(+), 25 deletions(-)

diff --git a/backends/vkeybd/virtual-keyboard.cpp b/backends/vkeybd/virtual-keyboard.cpp
index 80d7313a8c..267448c859 100644
--- a/backends/vkeybd/virtual-keyboard.cpp
+++ b/backends/vkeybd/virtual-keyboard.cpp
@@ -38,21 +38,21 @@
 
 namespace Common {
 
-VirtualKeyboard::VirtualKeyboard() : _currentMode(0) {
+VirtualKeyboard::VirtualKeyboard() :
+		_currentMode(nullptr),
+		_fileArchive(nullptr, DisposeAfterUse::NO) {
 	assert(g_system);
 	_system = g_system;
 
 	_parser = new VirtualKeyboardParser(this);
 	_kbdGUI = new VirtualKeyboardGUI(this);
 	_submitKeys = _loaded = false;
-	_fileArchive = 0;
 }
 
 VirtualKeyboard::~VirtualKeyboard() {
 	deleteEvents();
 	delete _kbdGUI;
 	delete _parser;
-	delete _fileArchive;
 }
 
 void VirtualKeyboard::deleteEvents() {
@@ -74,33 +74,31 @@ void VirtualKeyboard::reset() {
 	_kbdGUI->reset();
 }
 
-bool VirtualKeyboard::openPack(const String &packName, const FSNode &node) {
-	if (node.getChild(packName + ".xml").exists()) {
-		_fileArchive = new FSDirectory(node, 1);
+bool VirtualKeyboard::openPack(const String &packName, Archive *searchPath, DisposeAfterUse::Flag disposeSearchPath) {
+	if (searchPath->hasFile(packName + ".xml")) {
+		_fileArchive.reset(searchPath, disposeSearchPath);
 
 		// uncompressed keyboard pack
-		if (!_parser->loadFile(node.getChild(packName + ".xml"))) {
-			delete _fileArchive;
-			_fileArchive = 0;
+		if (!_parser->loadStream(searchPath->createReadStreamForMember(packName + ".xml"))) {
+			_fileArchive.reset();
 			return false;
 		}
 
 		return true;
 	}
 
-	if (node.getChild(packName + ".zip").exists()) {
+	if (searchPath->hasFile(packName + ".zip")) {
 		// compressed keyboard pack
-		_fileArchive = makeZipArchive(node.getChild(packName + ".zip"));
+		Archive *zip = makeZipArchive(searchPath->createReadStreamForMember(packName + ".zip"));
+		_fileArchive.reset(zip, DisposeAfterUse::YES);
 		if (_fileArchive && _fileArchive->hasFile(packName + ".xml")) {
 			if (!_parser->loadStream(_fileArchive->createReadStreamForMember(packName + ".xml"))) {
-				delete _fileArchive;
-				_fileArchive = 0;
+				_fileArchive.reset();
 				return false;
 			}
 		} else {
 			warning("Could not find %s.xml file in %s.zip virtual keyboard pack", packName.c_str(), packName.c_str());
-			delete _fileArchive;
-			_fileArchive = 0;
+			_fileArchive.reset();
 			return false;
 		}
 
@@ -113,19 +111,18 @@ bool VirtualKeyboard::openPack(const String &packName, const FSNode &node) {
 bool VirtualKeyboard::loadKeyboardPack(const String &packName) {
 	_kbdGUI->initSize(_system->getOverlayWidth(), _system->getOverlayHeight());
 
-	delete _fileArchive;
-	_fileArchive = 0;
+	_fileArchive.reset();
 	_loaded = false;
 
 	bool opened = false;
 	if (ConfMan.hasKey("vkeybdpath"))
-		opened = openPack(packName, FSNode(ConfMan.get("vkeybdpath")));
+		opened = openPack(packName, new FSDirectory(ConfMan.get("vkeybdpath")), DisposeAfterUse::YES);
 	else if (ConfMan.hasKey("extrapath"))
-		opened = openPack(packName, FSNode(ConfMan.get("extrapath")));
+		opened = openPack(packName, new FSDirectory(ConfMan.get("extrapath")), DisposeAfterUse::YES);
 
-	// fallback to the current dir
+	// fallback to SearchMan
 	if (!opened)
-		opened = openPack(packName, FSNode("."));
+		opened = openPack(packName, &SearchMan, DisposeAfterUse::NO);
 
 	if (opened) {
 		_parser->setParseMode(VirtualKeyboardParser::kParseFull);
@@ -136,8 +133,7 @@ bool VirtualKeyboard::loadKeyboardPack(const String &packName) {
 		} else {
 			warning("Error parsing the virtual keyboard pack '%s'", packName.c_str());
 
-			delete _fileArchive;
-			_fileArchive = 0;
+			_fileArchive.reset();
 		}
 	} else {
 		warning("Virtual keyboard disabled due to missing pack file");
diff --git a/backends/vkeybd/virtual-keyboard.h b/backends/vkeybd/virtual-keyboard.h
index 3b2b2196bd..38139e2ad8 100644
--- a/backends/vkeybd/virtual-keyboard.h
+++ b/backends/vkeybd/virtual-keyboard.h
@@ -226,7 +226,7 @@ public:
 protected:
 
 	OSystem *_system;
-	Archive *_fileArchive;
+	DisposablePtr<Archive> _fileArchive;
 
 	friend class VirtualKeyboardGUI;
 	VirtualKeyboardGUI *_kbdGUI;
@@ -237,7 +237,7 @@ protected:
 	VirtualKeyboardParser *_parser;
 
 	void reset();
-	bool openPack(const String &packName, const FSNode &node);
+	bool openPack(const String &packName, Archive *searchPath, DisposeAfterUse::Flag disposeSearchPath);
 	void deleteEvents();
 	bool checkModeResolutions();
 	void switchMode(Mode *newMode);
-- 
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