diff options
Diffstat (limited to 'lexers/LexHTML.cxx')
| -rw-r--r-- | lexers/LexHTML.cxx | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lexers/LexHTML.cxx b/lexers/LexHTML.cxx index 6b3748859..17c0846aa 100644 --- a/lexers/LexHTML.cxx +++ b/lexers/LexHTML.cxx @@ -266,6 +266,18 @@ void classifyAttribHTML(Sci_PositionU start, Sci_PositionU end, const WordList & styler.ColourTo(end, chAttr); } +// https://html.spec.whatwg.org/multipage/custom-elements.html#custom-elements-core-concepts +bool isHTMLCustomElement(const std::string &tag) { + // check valid HTML custom element name: starts with an ASCII lower alpha and contains hyphen. + if (tag.length() < 2 || !IsLowerCase(tag[0])) { + return false; + } + if (tag.find('-') == std::string::npos) { + return false; + } + return true; +} + int classifyTagHTML(Sci_PositionU start, Sci_PositionU end, const WordList &keywords, Accessor &styler, bool &tagDontFold, bool caseSensitive, bool isXml, bool allowScripts, @@ -288,6 +300,8 @@ int classifyTagHTML(Sci_PositionU start, Sci_PositionU end, chAttr = SCE_H_SGML_DEFAULT; } else if (!keywords || keywords.InList(tag.c_str())) { chAttr = SCE_H_TAG; + } else if (!isXml && isHTMLCustomElement(tag)) { + chAttr = SCE_H_TAG; } if (chAttr != SCE_H_TAGUNKNOWN) { styler.ColourTo(end, chAttr); |