aboutsummaryrefslogtreecommitdiff
path: root/Foundation/GTMCalculatedRange.m
diff options
context:
space:
mode:
Diffstat (limited to 'Foundation/GTMCalculatedRange.m')
-rw-r--r--Foundation/GTMCalculatedRange.m148
1 files changed, 0 insertions, 148 deletions
diff --git a/Foundation/GTMCalculatedRange.m b/Foundation/GTMCalculatedRange.m
deleted file mode 100644
index 3e8aa69..0000000
--- a/Foundation/GTMCalculatedRange.m
+++ /dev/null
@@ -1,148 +0,0 @@
-//
-// GTMCalculatedRange.m
-//
-// Copyright 2006-2008 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License"); you may not
-// use this file except in compliance with the License. You may obtain a copy
-// of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-// License for the specific language governing permissions and limitations under
-// the License.
-//
-
-#import "GTMCalculatedRange.h"
-
-// Our internal storage type. It keeps track of an item and it's
-// position.
-@interface GTMCalculatedRangeStopPrivate : NSObject {
- id item_; // the item (STRONG)
- CGFloat position_; //
-}
-+ (id)stopWithObject:(id)item position:(CGFloat)inPosition;
-- (id)initWithObject:(id)item position:(CGFloat)inPosition;
-- (id)item;
-- (CGFloat)position;
-@end
-
-GTM_INLINE BOOL FPEqual(CGFloat a, CGFloat b) {
- return (fpclassify(a - b) == FP_ZERO);
-}
-
-@implementation GTMCalculatedRangeStopPrivate
-+ (id)stopWithObject:(id)item position:(CGFloat)inPosition {
- return [[[self alloc] initWithObject:item position:inPosition] autorelease];
-}
-
-- (id)initWithObject:(id)item position:(CGFloat)inPosition {
- self = [super init];
- if (self != nil) {
- item_ = [item retain];
- position_ = inPosition;
- }
- return self;
-}
-
-- (void)dealloc {
- [item_ release];
- [super dealloc];
-}
-
-- (id)item {
- return item_;
-}
-
-- (CGFloat)position {
- return position_;
-}
-
-- (NSString *)description {
- return [NSString stringWithFormat: @"%f %@", position_, item_];
-}
-@end
-
-@implementation GTMCalculatedRange
-- (id)init {
- self = [super init];
- if (self != nil) {
- storage_ = [[NSMutableArray arrayWithCapacity:0] retain];
- }
- return self;
-}
-- (void)dealloc {
- [storage_ release];
- [super dealloc];
-}
-
-- (void)insertStop:(id)item atPosition:(CGFloat)position {
- NSUInteger positionIndex = 0;
- GTMCalculatedRangeStopPrivate *theStop;
- GTM_FOREACH_OBJECT(theStop, storage_) {
- if ([theStop position] < position) {
- positionIndex += 1;
- }
- else if (FPEqual([theStop position], position)) {
- // remove and stop the enum since we just modified the object
- [storage_ removeObjectAtIndex:positionIndex];
- break;
- }
- }
- [storage_ insertObject:[GTMCalculatedRangeStopPrivate stopWithObject:item position:position]
- atIndex:positionIndex];
-}
-
-- (BOOL)removeStopAtPosition:(CGFloat)position {
- NSUInteger positionIndex = 0;
- BOOL foundStop = NO;
- GTMCalculatedRangeStopPrivate *theStop;
- GTM_FOREACH_OBJECT(theStop, storage_) {
- if (FPEqual([theStop position], position)) {
- break;
- } else {
- positionIndex += 1;
- }
- }
- if (nil != theStop) {
- [self removeStopAtIndex:positionIndex];
- foundStop = YES;
- }
- return foundStop;
-}
-
-- (void)removeStopAtIndex:(NSUInteger)positionIndex {
- [storage_ removeObjectAtIndex:positionIndex];
-}
-
-- (NSUInteger)stopCount {
- return [storage_ count];
-}
-
-- (id)stopAtIndex:(NSUInteger)positionIndex position:(CGFloat*)outPosition {
- GTMCalculatedRangeStopPrivate *theStop = [storage_ objectAtIndex:positionIndex];
- if (nil != outPosition) {
- *outPosition = [theStop position];
- }
- return [theStop item];
-}
-
-- (id)valueAtPosition:(CGFloat)position {
- id theValue = nil;
- GTMCalculatedRangeStopPrivate *theStop;
- GTM_FOREACH_OBJECT(theStop, storage_) {
- if (FPEqual([theStop position], position)) {
- theValue = [theStop item];
- break;
- }
- }
- return theValue;
-}
-
-- (NSString *)description {
- return [storage_ description];
-}
-@end