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LibPDF: Extract Parser::parse_dict_contents_until()

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No behavior change.
This commit is contained in:
Nico Weber 2023-12-09 22:06:51 -05:00 • committed by Andreas Kling
parent 3b3558865c
commit 0912896ae0
2 changed files with 13 additions and 5 deletions
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17
Userland/Libraries/LibPDF/Parser.cpp
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@ -404,23 +404,30 @@ PDFErrorOr<NonnullRefPtr<ArrayObject>> Parser::parse_array()
return make_object<ArrayObject>(values);
}
PDFErrorOr<NonnullRefPtr<DictObject>> Parser::parse_dict()
PDFErrorOr<HashMap<DeprecatedFlyString, Value>> Parser::parse_dict_contents_until(char const* end)
{
if (!m_reader.consume('<') || !m_reader.consume('<'))
return error("Expected dict to start with \"<<\"");
m_reader.consume_whitespace();
HashMap<DeprecatedFlyString, Value> map;
while (!m_reader.done()) {
parse_comment();
if (m_reader.matches(">>"))
if (m_reader.matches(end))
break;
auto name = TRY(parse_name())->name();
auto value = TRY(parse_value());
map.set(name, value);
}
return map;
}
PDFErrorOr<NonnullRefPtr<DictObject>> Parser::parse_dict()
{
if (!m_reader.consume('<') || !m_reader.consume('<'))
return error("Expected dict to start with \"<<\"");
HashMap<DeprecatedFlyString, Value> map = TRY(parse_dict_contents_until(">>"));
if (!m_reader.consume('>') || !m_reader.consume('>'))
return error("Expected dict to end with \">>\"");
m_reader.consume_whitespace();