From: helge <helge@e4a50df8-12e2-0310-a44c-efbce7f8a7e3>
Date: Thu, 4 Aug 2005 14:38:22 +0000 (+0000)
Subject: added new rule engine method
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22c028b51caaf36d5047e3569ba7a333147e0fd3;p=sope

added new rule engine method
minor improv in NSPredicate unarchiving


git-svn-id: http://svn.opengroupware.org/SOPE/trunk@969 e4a50df8-12e2-0310-a44c-efbce7f8a7e3
---

diff --git a/sope-core/EOCoreData/ChangeLog b/sope-core/EOCoreData/ChangeLog
index b91af797..27c2ab7b 100644
--- a/sope-core/EOCoreData/ChangeLog
+++ b/sope-core/EOCoreData/ChangeLog
@@ -1,3 +1,8 @@
+2005-08-04  Helge Hess  <helge.hess@skyrix.com>
+
+	* NSPredicate+EO.m: also check 'selectorName' key during unarchiving
+	  (v4.5.5)
+
 2005-08-04  Helge Hess  <helge.hess@opengroupware.org>
 
 	* NSExpression+EO.m: added EOKeyValueArchiving (v4.5.4)
diff --git a/sope-core/EOCoreData/NSPredicate+EO.m b/sope-core/EOCoreData/NSPredicate+EO.m
index 4d9ecbe2..6b616ac8 100644
--- a/sope-core/EOCoreData/NSPredicate+EO.m
+++ b/sope-core/EOCoreData/NSPredicate+EO.m
@@ -151,10 +151,15 @@
 
   /* custom selector */
   
-  selName = [_unarchiver decodeObjectForKey:@"selector"];
+  if ((selName = [_unarchiver decodeObjectForKey:@"selectorName"]) != nil) {
+    if (![selName hasSuffix:@":"]) 
+      selName = [selName stringByAppendingString:@":"];
+  }
+  else
+    selName = [_unarchiver decodeObjectForKey:@"selector"];
   if ([selName length] > 0) {
     return [self initWithLeftExpression:left rightExpression:right
-		 customSelector:NSSelectorFromString(selName)];
+		 customSelector:selName ? NSSelectorFromString(selName):NULL];
   }
   
   /* modifier */
diff --git a/sope-core/EOCoreData/Version b/sope-core/EOCoreData/Version
index 9d93031b..d1646130 100644
--- a/sope-core/EOCoreData/Version
+++ b/sope-core/EOCoreData/Version
@@ -1,3 +1,3 @@
 # version file
 
-SUBMINOR_VERSION:=4
+SUBMINOR_VERSION:=5
diff --git a/sope-core/NGExtensions/ChangeLog b/sope-core/NGExtensions/ChangeLog
index 5fd5e6c8..6b0ead9b 100644
--- a/sope-core/NGExtensions/ChangeLog
+++ b/sope-core/NGExtensions/ChangeLog
@@ -1,3 +1,9 @@
+2005-08-04  Helge Hess  <helge.hess@skyrix.com>
+
+	* NGRuleEngine.subproj/NGRuleContext.m: added new method
+	  -allPossibleValuesForKey: to calculate all possible values for a
+	  given key, not just the first matching one (v4.5.169)
+
 2005-08-04  Helge Hess  <helge.hess@opengroupware.org>
 
 	* EOFilterDataSource.m, EOCompoundDataSource.m: code cleanups
diff --git a/sope-core/NGExtensions/NGExtensions/NGRuleContext.h b/sope-core/NGExtensions/NGExtensions/NGRuleContext.h
index 0be61d81..e33ad31a 100644
--- a/sope-core/NGExtensions/NGExtensions/NGRuleContext.h
+++ b/sope-core/NGExtensions/NGExtensions/NGRuleContext.h
@@ -67,6 +67,7 @@
 - (id)valueForKey:(NSString *)_key;
 
 - (id)inferredValueForKey:(NSString *)_key;
+- (NSArray *)allPossibleValuesForKey:(NSString *)_key;
 
 - (NSArray *)valuesForKeyPath:(NSString *)_kp
   takingSuccessiveValues:(NSArray *)_values
diff --git a/sope-core/NGExtensions/NGRuleEngine.subproj/NGRuleContext.m b/sope-core/NGExtensions/NGRuleEngine.subproj/NGRuleContext.m
index 7bf6e7c0..9d39fffb 100644
--- a/sope-core/NGExtensions/NGRuleEngine.subproj/NGRuleContext.m
+++ b/sope-core/NGExtensions/NGRuleEngine.subproj/NGRuleContext.m
@@ -119,15 +119,52 @@
   return nil;
 }
 
+- (NSArray *)allPossibleValuesForKey:(NSString *)_key {
+  NSMutableArray *values;
+  NSArray  *rules;
+  unsigned i, count;
+  
+  if (self->debugOn)
+    [self debugWithFormat:@"calculate all values for key: '%@'", _key];
+  
+  /* select candidates */
+  rules = [[self model] candidateRulesForKey:_key];
+  if (self->debugOn)
+    [self debugWithFormat:@"  candidate rules: %@", rules];
+  
+  values = [NSMutableArray arrayWithCapacity:16];
+  
+  /* check qualifiers */
+  for (i = 0, count = [rules count]; i < count; i++) {
+    NGRule *rule;
+    
+    rule = [rules objectAtIndex:i];
+    if ([(id<EOQualifierEvaluation>)[rule qualifier] evaluateWithObject:self]){
+      id v;
+      
+      if (self->debugOn)
+        [self debugWithFormat:@"  rule %i matches: %@", i, rule];
+      
+      v = [[rule action] fireInContext:self];
+      [values addObject:(v ? v : [NSNull null])];
+    }
+  }
+  if (self->debugOn)
+    [self debugWithFormat:@"  %d rules matched.", [values count]];
+  return values;
+}
+
 - (id)valueForKey:(NSString *)_key {
   id v;
+
+  // TODO: add rule cache?
   
   /* look for constants */
-  if ((v = [self->storedValues objectForKey:_key]))
+  if ((v = [self->storedValues objectForKey:_key]) != nil)
     return v;
   
   /* look into rule system */
-  if ((v = [self inferredValueForKey:_key]))
+  if ((v = [self inferredValueForKey:_key]) != nil)
     return v;
   
   return nil;
diff --git a/sope-core/NGExtensions/Version b/sope-core/NGExtensions/Version
index 406c7817..5eee82ff 100644
--- a/sope-core/NGExtensions/Version
+++ b/sope-core/NGExtensions/Version
@@ -1,6 +1,6 @@
 # version
 
-SUBMINOR_VERSION:=168
+SUBMINOR_VERSION:=169
 
 # v4.3.115 requires libFoundation v1.0.59
 # v4.2.72  requires libEOControl  v4.2.39