You can look through the source code for the file rxp.c to see the way that RXP parsing generates a compact document tree as a data structure.

可以分析rxp . c文件的源代码，以了解rxp解析生成紧凑文档树作为数据结构的方法。

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In contrast, RXP builds the data structure right in the parser.

相反，RXP就在解析器中建立数据结构。

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RXP works by building a compact in-memory tree structure of the XML document being parsed.

RXP通过为所要解析的XML文档构建一个紧凑的内存树结构而工作。

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