| // [The "BSD licence"] |
| // Copyright (c) 2006-2007 Kay Roepke 2010 Alan Condit |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions |
| // are met: |
| // 1. Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // 2. Redistributions in binary form must reproduce the above copyright |
| // notice, this list of conditions and the following disclaimer in the |
| // documentation and/or other materials provided with the distribution. |
| // 3. The name of the author may not be used to endorse or promote products |
| // derived from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| // IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| // NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #import <Foundation/Foundation.h> |
| #import "TreeAdaptor.h" |
| |
| // TODO: this should be separated into stream and enumerator classes |
| @interface RewriteRuleElementStream : NSObject { |
| NSInteger cursor; |
| BOOL dirty; ///< indicates whether the stream should return copies of its elements, set to true after a call to -reset |
| BOOL isSingleElement; |
| id singleElement; |
| __strong AMutableArray *elements; |
| |
| __strong NSString *elementDescription; |
| __strong id<TreeAdaptor> treeAdaptor; |
| } |
| |
| @property (assign) NSInteger cursor; |
| @property (assign) BOOL dirty; |
| @property (assign) BOOL isSingleElement; |
| @property (assign) id singleElement; |
| @property (assign) AMutableArray *elements; |
| @property (assign) NSString *elementDescription; |
| @property (retain) id<TreeAdaptor> treeAdaptor; |
| |
| + (RewriteRuleElementStream*) newRewriteRuleElementStream:(id<TreeAdaptor>)aTreeAdaptor |
| description:(NSString *)anElementDescription; |
| + (RewriteRuleElementStream*) newRewriteRuleElementStream:(id<TreeAdaptor>)aTreeAdaptor |
| description:(NSString *)anElementDescription |
| element:(id)anElement; |
| + (RewriteRuleElementStream*) newRewriteRuleElementStream:(id<TreeAdaptor>)aTreeAdaptor |
| description:(NSString *)anElementDescription |
| elements:(NSArray *)theElements; |
| |
| - (id) initWithTreeAdaptor:(id<TreeAdaptor>)aTreeAdaptor description:(NSString *)anElementDescription; |
| - (id) initWithTreeAdaptor:(id<TreeAdaptor>)aTreeAdaptor description:(NSString *)anElementDescription element:(id)anElement; |
| - (id) initWithTreeAdaptor:(id<TreeAdaptor>)aTreeAdaptor description:(NSString *)anElementDescription elements:(NSArray *)theElements; |
| |
| - (void)reset; |
| |
| - (id<TreeAdaptor>) getTreeAdaptor; |
| - (void) setTreeAdaptor:(id<TreeAdaptor>)aTreeAdaptor; |
| |
| - (void) addElement:(id)anElement; |
| - (NSInteger) size; |
| |
| - (BOOL) hasNext; |
| - (id<BaseTree>) nextTree; |
| - (id<BaseTree>) _next; // internal: TODO: redesign if necessary. maybe delegate |
| |
| - (id) copyElement:(id)element; |
| - (id) toTree:(id)element; |
| |
| - (NSString *) getDescription; |
| - (void) setDescription:(NSString *)description; |
| |
| @end |
| |