From 5c20fc7f91fbfb735423f065119d57160c757a10 Mon Sep 17 00:00:00 2001
From: helge <helge@e4a50df8-12e2-0310-a44c-efbce7f8a7e3>
Date: Thu, 4 Aug 2005 02:15:25 +0000
Subject: [PATCH] added key/value archiving to NSExpression

git-svn-id: http://svn.opengroupware.org/SOPE/trunk@967 e4a50df8-12e2-0310-a44c-efbce7f8a7e3
---
 sope-core/EOCoreData/ChangeLog         |  2 +
 sope-core/EOCoreData/NSExpression+EO.h |  2 +-
 sope-core/EOCoreData/NSExpression+EO.m | 51 ++++++++++++++++++++++++++
 sope-core/EOCoreData/Version           |  2 +-
 4 files changed, 55 insertions(+), 2 deletions(-)

diff --git a/sope-core/EOCoreData/ChangeLog b/sope-core/EOCoreData/ChangeLog
index 1bd10581..b91af797 100644
--- a/sope-core/EOCoreData/ChangeLog
+++ b/sope-core/EOCoreData/ChangeLog
@@ -1,5 +1,7 @@
 2005-08-04  Helge Hess  <helge.hess@opengroupware.org>
 
+	* NSExpression+EO.m: added EOKeyValueArchiving (v4.5.4)
+
 	* NSPredicate+EO.m: added EOKeyValueArchiving to NSComparisonPredicate
 	  (v4.5.3)
 
diff --git a/sope-core/EOCoreData/NSExpression+EO.h b/sope-core/EOCoreData/NSExpression+EO.h
index 8cf46283..3e87478b 100644
--- a/sope-core/EOCoreData/NSExpression+EO.h
+++ b/sope-core/EOCoreData/NSExpression+EO.h
@@ -33,7 +33,7 @@
 @class NSExpression;
 @class EOQualifier;
 
-@interface NSExpression(EO)
+@interface NSExpression(EOCoreData) < EOKeyValueArchiving >
 
 - (NSPredicate *)asPredicate;
 - (NSExpression *)asExpression;
diff --git a/sope-core/EOCoreData/NSExpression+EO.m b/sope-core/EOCoreData/NSExpression+EO.m
index 3f7b3b40..ada802c6 100644
--- a/sope-core/EOCoreData/NSExpression+EO.m
+++ b/sope-core/EOCoreData/NSExpression+EO.m
@@ -31,4 +31,55 @@
   return self;
 }
 
+/* key/value archiving */
+
+- (id)initWithKeyValueUnarchiver:(EOKeyValueUnarchiver *)_unarchiver {
+  id tmp;
+
+  [self release]; self = nil;
+  
+  if ((tmp = [_unarchiver decodeObjectForKey:@"constantValue"]) != nil)
+    return [[NSExpression expressionForConstantValue:tmp] retain];
+
+  if ((tmp = [_unarchiver decodeObjectForKey:@"keyPath"]) != nil)
+    return [[NSExpression expressionForKeyPath:tmp] retain];
+  
+  if ((tmp = [_unarchiver decodeObjectForKey:@"variable"]) != nil)
+    return [[NSExpression expressionForVariable:tmp] retain];
+  
+  if ((tmp = [_unarchiver decodeObjectForKey:@"function"]) != nil) {
+    NSArray *args;
+    
+    args = [_unarchiver decodeObjectForKey:@"arguments"];
+    return [[NSExpression expressionForFunction:tmp arguments:args] retain];
+  }
+  
+  return [[NSExpression expressionForEvaluatedObject] retain];
+}
+
+- (void)encodeWithKeyValueArchiver:(EOKeyValueArchiver *)_archiver {
+  switch ([self expressionType]) {
+  case NSConstantValueExpressionType:
+    [_archiver encodeObject:[self constantValue] forKey:@"constantValue"];
+    return;
+  case NSEvaluatedObjectExpressionType:
+    /* encode no marker */
+    return;
+  case NSVariableExpressionType:
+    [_archiver encodeObject:[self variable] forKey:@"variable"];
+    return;
+  case NSKeyPathExpressionType:
+    [_archiver encodeObject:[self keyPath] forKey:@"keyPath"];
+    return;
+  case NSFunctionExpressionType:
+    [_archiver encodeObject:[self function]  forKey:@"function"];
+    [_archiver encodeObject:[self arguments] forKey:@"arguments"];
+    return;
+    
+  default:
+      NSLog(@"WARNING(%s): could not encode NSExpression: %@!",
+	    __PRETTY_FUNCTION__, self);
+  }
+}
+
 @end /* NSPredicate(EOCoreData) */
diff --git a/sope-core/EOCoreData/Version b/sope-core/EOCoreData/Version
index 81d0f5a4..9d93031b 100644
--- a/sope-core/EOCoreData/Version
+++ b/sope-core/EOCoreData/Version
@@ -1,3 +1,3 @@
 # version file
 
-SUBMINOR_VERSION:=3
+SUBMINOR_VERSION:=4
-- 
2.39.5