rustdoc: Unify the handling of the hidden example lines.
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@ -94,15 +94,26 @@ extern {
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}
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/// Returns Some(code) if `s` is a line that should be stripped from
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/// documentation but used in example code. `code` is the portion of
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/// `s` that should be used in tests. (None for lines that should be
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/// left as-is.)
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fn stripped_filtered_line<'a>(s: &'a str) -> Option<&'a str> {
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let trimmed = s.trim();
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if trimmed.starts_with("# ") {
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Some(trimmed.slice_from(2))
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} else {
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None
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}
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}
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pub fn render(w: &mut io::Writer, s: &str) {
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extern fn block(ob: *buf, text: *buf, lang: *buf, opaque: *libc::c_void) {
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unsafe {
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let my_opaque: &my_opaque = cast::transmute(opaque);
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vec::raw::buf_as_slice((*text).data, (*text).size as uint, |text| {
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let text = str::from_utf8(text);
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let mut lines = text.lines().filter(|l| {
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!l.trim().starts_with("# ")
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});
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let mut lines = text.lines().filter(|l| stripped_filtered_line(*l).is_none());
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let text = lines.to_owned_vec().connect("\n");
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let buf = buf {
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@ -169,9 +180,7 @@ pub fn find_testable_code(doc: &str, tests: &mut ::test::Collector) {
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vec::raw::buf_as_slice((*text).data, (*text).size as uint, |text| {
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let tests: &mut ::test::Collector = intrinsics::transmute(opaque);
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let text = str::from_utf8(text);
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let mut lines = text.lines().map(|l| {
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if l.starts_with("# ") {l.slice_from(2)} else {l}
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});
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let mut lines = text.lines().map(|l| stripped_filtered_line(l).unwrap_or(l));
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let text = lines.to_owned_vec().connect("\n");
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tests.add_test(text, ignore, shouldfail);
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})
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