Module parser 

XPath expression parser — parses strings into XPathExpr nodes. XPath expression parser.

Parses a subset of XPath 1.0 into XPathExpr AST nodes.

Supported syntax

• //tag — descendant search
• //tag[@attr='value'] — attribute predicate
• //tag[contains(@attr, 'substr')] — contains predicate
• //tag[position()=N] — position predicate
• //tag/text() — text extraction
• /path/to/tag — absolute path
• //* — descendant wildcard
• .. — parent axis

Functions

parse_xpath

Parse an XPath expression string into an AST.