Method is_match

src/speech.rs:1274–1289

(&self, context: &Context, mathml: Element)

    }

    fn is_match(&self, context: &Context, mathml: Element) -> Result<bool> {
        if self.tag_name != mathml.name().local_part() && self.tag_name != "*" && self.tag_name != "!*" {
            return Ok( false );
        }

        // debug!("\nis_match: pattern='{}'", self.pattern_name);
        // debug!("    pattern_expr {:?}", self.pattern_expr);
        // print!("is_match: mathml is\n{}", mml_to_string(mathml));
        return Ok(
            match self.pattern.evaluate(context, mathml)? {
                Value::Boolean(b)       => b,
                Value::Nodeset(nodes) => nodes.size() > 0,
                _                             => false,
            }
        );
    }
}