iphone-common-codes-ccteam源代码 CCEmoji.m

最新推荐文章于 2012-01-12 09:52:40 发布

最新推荐文章于 2012-01-12 09:52:40 发布 · 62 阅读

本文介绍了一个名为 CCEmoji 的 Objective-C 类，该类用于生成包含大量表情符号的 UITextView。通过遍历特定的 Unicode 范围，此方法能够返回一个展示几乎全部可用表情的文本视图。

//
//  CCEmoji.m
//  CCFC
//
//  Created by xichen on 11-12-23.
//  Copyright 2011 ccteam. All rights reserved.
//


#import "CCEmoji.h"
#import "CCUITextView.h"


@implementation CCEmoji


// returns a textView that contains nearly all the emojis
+ (UITextView *)returnAllEmojiTextView
{
        NSMutableString *s = [[NSMutableString alloc] initWithString:
                                                @"This is a smiley \ue415 \ue533 face\n"];    


        // ee8081 ~ ee94b7
        unsigned char str[] = {0xee, 0x80, 0x80, 0};
        unsigned char secondByte[] = {0x80, 0x81, 0x84, 0x85, 
                0x88, 0x89, 0x8c, 0x8d, 0x90, 0x91, 0x94};
        int secondByteLen = sizeof(secondByte) / sizeof(secondByte[0]);
        NSLog(@"secondByteLen is %d", secondByteLen);
        for(int j = 0; j < secondByteLen; ++j)  // get nearly all emoji info
        {
                str[1] = secondByte[j];
                if(str[1] == (unsigned char)0x80)
                {
                        for(int i = 1; i <= (0xbf - 0x80); ++i)
                        {
                                str[2] += (unsigned char)i;
                                [s appendFormat:@"0xee%x%x:", (int)str[1], (int)str[2]];
                                [s appendString:[NSString stringWithUTF8String:(const char *)str]];
                                [s appendString:@"\r"];
                                str[2] = 0x80;
                        }
                }
                if(str[1] == (unsigned char)0x81)
                {
                        for(int i = 0; i <= (0x9a - 0x80); ++i)
                        {
                                str[2] += (unsigned char)i;
                                [s appendFormat:@"0xee%x%x:", str[1], str[2]];
                                [s appendString:[NSString stringWithUTF8String:(const char *)str]];
                                [s appendString:@"\r"];
                                str[2] = 0x80;
                        }
                }
                if(str[1] == (unsigned char)0x84 
                   || str[1] == (unsigned char)0x8c 
                   || str[1] == (unsigned char)0x90)
                {
                        for(int i = 1; i <= (0xbf - 0x80); ++i)
                        {
                                str[2] += (unsigned char)i;
                                [s appendFormat:@"0xee%x%x:", str[1], str[2]];
                                [s appendString:[NSString stringWithUTF8String:(const char *)str]];
                                [s appendString:@"\r"];
                                str[2] = 0x80;
                        }
                }
                if(str[1] == (unsigned char)0x85)
                {
                        for(int i = 0; i <= (0x9a - 0x80); ++i)
                        {
                                str[2] += (unsigned char)i;
                                [s appendFormat:@"0xee%x%x:", str[1], str[2]];
                                [s appendString:[NSString stringWithUTF8String:(const char *)str]];
                                [s appendString:@"\r"];
                                str[2] = 0x80;
                        }
                }
                if(str[1] == (unsigned char)0x88)
                {
                        for(int i = 1; i <= (0xbf - 0x80); ++i)
                        {
                                str[2] += (unsigned char)i;
                                [s appendFormat:@"0xee%x%x:", str[1], str[2]];
                                [s appendString:[NSString stringWithUTF8String:(const char *)str]];
                                [s appendString:@"\r"];
                                str[2] = 0x80;
                        }
                }
                
                if(str[1] == (unsigned char)0x89)
                {
                        for(int i = 0; i <= (0x93 - 0x80); ++i)
                        {
                                str[2] += (unsigned char)i;
                                [s appendFormat:@"0xee%x%x:", str[1], str[2]];
                                [s appendString:[NSString stringWithUTF8String:(const char *)str]];
                                [s appendString:@"\r"];
                                str[2] = 0x80;
                        }
                }
                
                if(str[1] == (unsigned char)0x8d)
                {
                        for(int i = 0; i <= (0x8d - 0x80); ++i)
                        {
                                str[2] += (unsigned char)i;
                                [s appendFormat:@"0xee%x%x:", str[1], str[2]];
                                [s appendString:[NSString stringWithUTF8String:(const char *)str]];
                                [s appendString:@"\r"];
                                str[2] = 0x80;
                        }
                }
                
                if(str[1] == (unsigned char)0x91)
                {
                        for(int i = 0; i <= (0x8c - 0x80); ++i)
                        {
                                str[2] += (unsigned char)i;
                                [s appendFormat:@"0xee%x%x:", str[1], str[2]];
                                [s appendString:[NSString stringWithUTF8String:(const char *)str]];
                                [s appendString:@"\r"];
                                str[2] = 0x80;
                        }
                }
                
                if(str[1] == (unsigned char)0x94)
                {
                        for(int i = 1; i <= (0xb7 - 0x80); ++i)
                        {
                                str[2] += (unsigned char)i;
                                [s appendFormat:@"0xee%x%x:", (int)str[1], (int)str[2]];
                                [s appendString:[NSString stringWithUTF8String:(const char *)str]];
                                [s appendString:@"\r"];
                                str[2] = 0x80;
                        }
                }
        }
        
        UITextView *textView = [UITextView createCommonTextView:CGRectMake(0, 60, 320, 260)
                                                                                                   withText:s];
        [s release];
        return textView;
}


@end

googlecode链接地址（会有更新）： http://code.google.com/p/iphone-common-codes-ccteam/source/browse/trunk/CCFC/files/CCEmoji.m