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Skip UTF-8 BOM magic when loading HTML in gumbo.

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This commit is contained in:
Martín Lucas Golini
2026-07-11 01:12:23 -03:00
parent f6bce5d044
commit e9ac61c31b
1 changed files with 10 additions and 1 deletions
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11
src/eepp/ui/tools/htmlformatter.cpp
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@@ -160,8 +160,17 @@ std::string HTMLFormatter::HTMLtoXML( const std::string& layoutString ) {
if ( layoutString.empty() )
return "";
// Strip UTF-8 BOM if present (Gumbo does not strip it, which corrupts the parse -
// head children end up moved to body)
size_t offset = 0;
if ( layoutString.size() >= 3 && static_cast<unsigned char>( layoutString[0] ) == 0xEF &&
static_cast<unsigned char>( layoutString[1] ) == 0xBB &&
static_cast<unsigned char>( layoutString[2] ) == 0xBF ) {
offset = 3;
}
// 1. Parse the dirty HTML into a Gumbo AST
GumboOutput* output = gumbo_parse( layoutString.c_str() );
GumboOutput* output = gumbo_parse( layoutString.c_str() + offset );
// 2. Serialize the AST into strict XML
std::string strict_xml;