diff options
Diffstat (limited to 'src/util/constant.rs')
| -rw-r--r-- | src/util/constant.rs | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/util/constant.rs b/src/util/constant.rs index f397f38..d6a6651 100644 --- a/src/util/constant.rs +++ b/src/util/constant.rs @@ -74,6 +74,31 @@ pub const CODE_FENCED_SEQUENCE_SIZE_MIN: usize = 3; /// [frontmatter]: crate::construct::frontmatter pub const FRONTMATTER_SEQUENCE_SIZE: usize = 3; +/// The number of the longest tag name in [`GFM_HTML_TAGFILTER_NAMES`][]. +/// +/// This is currently the size of `plaintext`. +pub const GFM_HTML_TAGFILTER_SIZE_MAX: usize = 9; + +/// List of HTML tag names that are escaped by GFMs tag filter. +/// +/// Tag name matching must be performed insensitive to case, and thus this list +/// includes lowercase tag names. +/// +/// ## References +/// +/// * [*ยง 6.1 Disallowed Raw HTML (extension)* in GFM](https://github.github.com/gfm/#disallowed-raw-html-extension-) +pub const GFM_HTML_TAGFILTER_NAMES: [&str; 9] = [ + "iframe", + "noembed", + "noframes", + "plaintext", + "script", + "style", + "textarea", + "title", + "xmp", +]; + /// The number of preceding spaces needed for a [hard break /// (trailing)][whitespace] to form. /// @@ -2427,6 +2452,12 @@ mod tests { ); assert_eq!( + GFM_HTML_TAGFILTER_SIZE_MAX, + longest(&GFM_HTML_TAGFILTER_NAMES).unwrap().len(), + "`GFM_HTML_TAGFILTER_SIZE_MAX`" + ); + + assert_eq!( HTML_RAW_SIZE_MAX, longest(&HTML_RAW_NAMES).unwrap().len(), "`HTML_RAW_SIZE_MAX`" |