fn write_documentation()

in src/bindgen/language_backend/clike.rs [774:838]
52 lines of code
6 McCabe index (conditional complexity)

    fn write_documentation<W: Write>(&mut self, out: &mut SourceWriter<W>, d: &Documentation) {
        if d.doc_comment.is_empty() || !self.config.documentation {
            return;
        }

        let end = match self.config.documentation_length {
            DocumentationLength::Short => 1,
            DocumentationLength::Full => d.doc_comment.len(),
        };

        let style = match self.config.documentation_style {
            DocumentationStyle::Auto if self.config.language == Language::C => {
                DocumentationStyle::Doxy
            }
            DocumentationStyle::Auto if self.config.language == Language::Cxx => {
                DocumentationStyle::Cxx
            }
            DocumentationStyle::Auto => DocumentationStyle::C, // Fallback if `Language` gets extended.
            other => other,
        };

        // Following these documents for style conventions:
        // https://en.wikibooks.org/wiki/C++_Programming/Code/Style_Conventions/Comments
        // https://www.cs.cmu.edu/~410/doc/doxygen.html
        match style {
            DocumentationStyle::C => {
                out.write("/*");
                out.new_line();
            }

            DocumentationStyle::Doxy => {
                out.write("/**");
                out.new_line();
            }

            _ => (),
        }

        for line in &d.doc_comment[..end] {
            match style {
                DocumentationStyle::C => out.write(""),
                DocumentationStyle::Doxy => out.write(" *"),
                DocumentationStyle::C99 => out.write("//"),
                DocumentationStyle::Cxx => out.write("///"),
                DocumentationStyle::Auto => unreachable!(), // Auto case should always be covered
            }

            write!(out, "{}", line);
            out.new_line();
        }

        match style {
            DocumentationStyle::C => {
                out.write(" */");
                out.new_line();
            }

            DocumentationStyle::Doxy => {
                out.write(" */");
                out.new_line();
            }

            _ => (),
        }
    }