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词表程序:

在我们的开发任务中,最常见的一项工作就是解析并读取各种词表文件,请设计并实现一个通用的词表解析读取工具类(一个或者几个class/struct组成),解析并读取如下形式的词表:

\t\t...\t

每一行都是一条记录,每一列可能的类型包括:

  • int
  • float
  • char *
  • 形如num:item1,item2,item3的数组(可以理解为T[num]的数组,T是用户给出某种build-in类型)
  • 其他用户自定义类型(需要灵活支持多种自定义类型)

(其他考题 uint32_t uint64_t)

每一列的数据中均不包含\t字符,每一行以\n结尾。

要求:

1. 对于非用户自定义类型,封装解析行为;用户自定义类型,调用用户给出的parse函数(从string翻译成用户struct)完成
     * 提示,要将string翻译为内部类型或用户自定义类型,而不是简单的字符串切分。
2. 用户能通过某些形式,定制这个词表的结构,指明每一列的类型是什么
3. 用户能逐行读取这个词表的信息,即按序读取每一行,然后能解析出这一行中的每一列内容
     * 提示,实现line by line的解析功能即可,不要求把整个词表存储到内存中(感兴趣的话也可以搞搞)  
     * 要求提供获取数据的接口,而不是仅仅打印出来   
4. 容错采用出错则报警并跳过整行记录的方式,但不论输入任何错误数据,程序不能出core
5. API设计友好,做到自解释
6. 代码严格遵守百度编码规范
7. 代码的可读性和可维护性好 
8. 使用comlog规范日志输出
9. 完成相应的单元测试和使用demo, 你的代码必须可编译, Demo可运行, 单元测试有效而且通过;
     * 提示,demo也要符合编码规范,:-)
     * 单元测试必须使用GTest, 单测上手指南: http://wiki.babel.baidu.com/twiki/pub/Ps/Searcher/PSCodeMasterCertification/%e6%95%99%e4%bd%a0%e8%bd%bb%e6%9d%be%e5%ad%a6%e4%bc%9a%e5%8d%95%e5%85%83%e6%b5%8b%e8%af%95.pdf  

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