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str-reader

v1.2.0

Published

string reader

Readme

StringReader

Nest嵌套型数据文档解析器。

综述

Nest嵌套。

标记语言(像XMLJSON),都是基于关键字做嵌套,来实现对数据的描述。当读取嵌套时,基于基本的规则进行入栈、出栈,可对文档结构进行正确解析。

ML类型的解析,首先应当基于对节点(Node)的正确识别,而后根据 ML类型的规则,对节点进行重新组织,规划整个节点树。本库提供的XReader类同理,仅提供对泛XML文档节点的识别与读取。

基本嵌套类型

  • 引号嵌套(quote):单层嵌套,封闭左右一致,但需要识别逃逸字符,关闭嵌套时应对逃逸字忽略。嵌套标记包括单引号(')、双引号(")、撇号(`)

  • Nest嵌套(nest):多层嵌套,类似AST,封闭左右不一致、成对。脚本类型(JSON等)包括{} [] ()等。ML主要是<>

StringReader基类

实现了脚本型嵌套读取的一些基本功能。

方法

  • substr(start, size)
  • substring(start, end)
  • seek(offset)
  • peek(size)
  • read(size)
  • next()

属性

  • eof
  • length
  • status

XReader类

实现了对ML类型标记语言的识别。

类的初始化配置config

  • quotes
  • nests
  • escape
  • quoteInNest