Added --list-saves support for TOUCHE

svn-id: r33398

3 files changed, 56 insertions, 6 deletions

diff --git a/engines/touche/detection.cpp b/engines/touche/detection.cpp
index d2798d7060..63d2a3a078 100644
--- a/engines/touche/detection.cpp
+++ b/engines/touche/detection.cpp
@@ -25,6 +25,7 @@
 
 #include "common/config-manager.h"
 #include "common/advancedDetector.h"
+#include "common/savefile.h"
 
 #include "base/plugins.h"
 
@@ -136,6 +137,7 @@ public:
 	}
 
 	virtual bool createInstance(OSystem *syst, Engine **engine, const Common::ADGameDescription *desc) const;
+	virtual SaveStateList listSaves(const char *target) const;
 };
 
 bool ToucheMetaEngine::createInstance(OSystem *syst, Engine **engine, const Common::ADGameDescription *desc) const {
@@ -146,6 +148,57 @@ bool ToucheMetaEngine::createInstance(OSystem *syst, Engine **engine, const Comm
 	return gd != 0;
 }
 
+SaveStateList ToucheMetaEngine::listSaves(const char *target) const {
+	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
+	Common::StringList filenames;
+	char saveDesc[Touche::kGameStateDescriptionLen];
+	Common::String pattern = target;
+	pattern += ".?";
+
+	filenames = saveFileMan->listSavefiles(pattern.c_str());
+	sort(filenames.begin(), filenames.end());	// Sort (hopefully ensuring we are sorted numerically..)
+
+	SaveStateList saveList;
+	for (Common::StringList::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
+		// Obtain the last digit of the filename, since they correspond to the save slot
+		int slotNum = atoi(file->c_str() + file->size() - 1);
+	
+		if (slotNum >= 0 && slotNum <= 9) {
+			Common::InSaveFile *in = saveFileMan->openForLoading(file->c_str());
+			if (in) {
+				in->readUint16LE();
+				in->readUint16LE();
+				in->read(saveDesc, Touche::kGameStateDescriptionLen);
+				saveList.push_back(SaveStateDescriptor(slotNum, Common::String(saveDesc), *file));
+				delete in;
+			}
+		}
+	}
+	
+	pattern += "?";
+
+	filenames = saveFileMan->listSavefiles(pattern.c_str());
+	sort(filenames.begin(), filenames.end());	// Sort (hopefully ensuring we are sorted numerically..)
+
+	for (Common::StringList::const_iterator file = filenames.begin(); file != filenames.end(); ++file) {
+		// Obtain the last 2 digits of the filename, since they correspond to the save slot
+		int slotNum = atoi(file->c_str() + file->size() - 2);
+	
+		if (slotNum >= 10 && slotNum <= 99) {
+			Common::InSaveFile *in = saveFileMan->openForLoading(file->c_str());
+			if (in) {
+				in->readUint16LE();
+				in->readUint16LE();
+				in->read(saveDesc, Touche::kGameStateDescriptionLen);
+				saveList.push_back(SaveStateDescriptor(slotNum, Common::String(saveDesc), *file));
+				delete in;
+			}
+		}
+	}
+
+	return saveList;
+}
+
 #if PLUGIN_ENABLED_DYNAMIC(TOUCHE)
 	REGISTER_PLUGIN_DYNAMIC(TOUCHE, PLUGIN_TYPE_ENGINE, ToucheMetaEngine);
 #else
diff --git a/engines/touche/saveload.cpp b/engines/touche/saveload.cpp
index c96a28bc8e..fedd40eb76 100644
--- a/engines/touche/saveload.cpp
+++ b/engines/touche/saveload.cpp
@@ -31,11 +31,6 @@
 
 namespace Touche {
 
-enum {
-	kCurrentGameStateVersion = 6,
-	kGameStateDescriptionLen = 32
-};
-
 static void saveOrLoad(Common::WriteStream &stream, uint16 &i) {
 	stream.writeUint16LE(i);
 }
diff --git a/engines/touche/touche.h b/engines/touche/touche.h
index f5ac492550..90ab9933bd 100644
--- a/engines/touche/touche.h
+++ b/engines/touche/touche.h
@@ -328,7 +328,9 @@ enum {
 	kCursorHeight = 42,
 	kTextHeight = 16,
 	kMaxProgramDataSize = 61440,
-	kMaxSaveStates = 100
+	kMaxSaveStates = 100,
+	kGameStateDescriptionLen = 32,	// Need these two values defined here
+	kCurrentGameStateVersion = 6	// for --list-saves support
 };
 
 class MidiPlayer;