iska
104 lines
2.3 KiB
Objective-C
104 lines
2.3 KiB
Objective-C
//
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// HTMLCharacterData.m
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// HTMLKit
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//
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// Created by Iska on 26/11/16.
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// Copyright © 2016 BrainCookie. All rights reserved.
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//
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#import "HTMLCharacterData.h"
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#import "HTMLNode+Private.h"
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#import "HTMLDocument+Private.h"
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#import "HTMLKitDOMExceptions.h"
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@interface HTMLCharacterData ()
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{
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NSMutableString *_data;
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}
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@end
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@implementation HTMLCharacterData
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@synthesize data = _data;
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- (instancetype)initWithName:(NSString *)name type:(HTMLNodeType)type data:(NSString *)data
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{
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self = [super initWithName:name type:type];
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if (self) {
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_data = [[NSMutableString alloc] initWithString:data ?: @""];
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}
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return self;
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}
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- (NSString *)textContent
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{
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return [_data copy];
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}
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- (void)setTextContent:(NSString *)textContent
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{
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[self setData:textContent];
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}
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- (NSUInteger)length
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{
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return _data.length;
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}
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#pragma mark - Data
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NS_INLINE void CheckValidOffset(HTMLCharacterData *node, NSUInteger offset, NSString *cmd)
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{
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if (offset > node.length) {
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[NSException raise:HTMLKitIndexSizeError
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format:@"%@: Index Size Error, invalid index %lu for character data node %@.",
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cmd, (unsigned long)offset, node];
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}
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}
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- (void)setData:(NSString *)data
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{
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[self replaceDataInRange:NSMakeRange(0, self.length) withData:data];
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}
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- (void)appendData:(NSString *)data
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{
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[self replaceDataInRange:NSMakeRange(self.length, 0) withData:data];
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}
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- (void)insertData:(NSString *)data atOffset:(NSUInteger)offset
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{
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[self replaceDataInRange:NSMakeRange(offset, 0) withData:data];
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}
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- (void)deleteDataInRange:(NSRange)range
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{
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[self replaceDataInRange:range withData:@""];
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}
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- (void)replaceDataInRange:(NSRange)range withData:(NSString *)data
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{
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CheckValidOffset(self, range.location, NSStringFromSelector(_cmd));
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range.length = MIN(range.length, self.length - range.location);
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[_data replaceCharactersInRange:range withString:data];
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[self.ownerDocument didRemoveCharacterDataInNode:self atOffset:range.location withLength:range.length];
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[self.ownerDocument didAddCharacterDataToNode:self atOffset:range.location withLength:data.length];
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}
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- (NSString *)substringDataWithRange:(NSRange)range
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{
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return [_data substringWithRange:range];
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}
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#pragma mark - NSCopying
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- (id)copyWithZone:(NSZone *)zone
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{
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HTMLCharacterData *copy = [super copyWithZone:zone];
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copy->_data = [_data mutableCopy];
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return copy;
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}
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@end
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