Files
HTMLKit/Sources/HTMLCharacterData.m
T

99 lines
2.2 KiB
Objective-C

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