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

最新推荐文章于 2012-01-11 10:17:58 发布

最新推荐文章于 2012-01-11 10:17:58 发布 · 75 阅读

本文介绍了CCFile类的实现细节，包括初始化、读写、移动文件指针等方法，并提供了获取文件大小、当前位置等功能。此外，还展示了如何使用此类将文件内容读取为字符串数组。

// // CCFile.m // CCFC // // Created by xichen on 11-12-23. // Copyright 2011 ccteam. All rights reserved. // #import "CCFile.h" #import "CCCommon.h" @implementation CCFile - (id)initWithFilePath:(NSString *)filePath withOpenOptions:(NSString *)options { COMMON_INIT_BEGIN FILE *file = fopen([filePath UTF8String], [options UTF8String]); if(file == NULL) return nil; _filePath = [filePath retain]; _openOptions = [options retain]; _file = file; COMMON_INIT_END } - (void)dealloc { [_filePath release]; [_openOptions release]; if(_file != NULL) fclose(_file); [super dealloc]; } - (NSString *)filePath { return _filePath; } - (NSString *)openOptions { return _openOptions; } - (long)getFileSize { long curPos = ftell(_file); // get the curr pos fseek(_file, 0, SEEK_END); long ret = ftell(_file); fseek(_file, curPos, SEEK_SET); // restore to the previous pos return ret; } - (long)currPos { return ftell(_file); } - (void)moveToBegin { rewind(_file); } - (void)moveToPos:(long)pos { fseek(_file, pos, SEEK_SET); } - (void)moveToEnd { fseek(_file, 0, SEEK_END); } - (int)flush { return fflush(_file); } - (size_t)read:(void *)buf withSize:(size_t)size { return fread(buf, 1, size, _file); } - (size_t)write:(void *)buf withSize:(size_t)size { return fwrite(buf, 1, size, _file); } - (void)close { if(_file != NULL) { fclose(_file); _file = NULL; } } + (NSArray *)readFileToLines:(NSString *)filePath { return [[NSString stringWithContentsOfFile:filePath encoding:NSUTF8StringEncoding error:nil] componentsSeparatedByString:@"\n"]; } @end

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