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LibWeb: Use more verbose input in CSS transform function generator

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This commit is contained in:
Aliaksandr Kalenik 2022-10-26 16:09:20 +03:00 • committed by Sam Atkins
parent 4bf587811f
commit f099e2aa12
3 changed files with 94 additions and 62 deletions
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19
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
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@ -5531,7 +5531,13 @@ RefPtr<StyleValue> Parser::parse_transform_value(Vector<ComponentValue> const& c
NonnullRefPtrVector<StyleValue> values;
auto argument_tokens = TokenStream { part.function().values() };
argument_tokens.skip_whitespace();
size_t argument_index = 0;
while (argument_tokens.has_next_token()) {
if (argument_index == function_metadata.parameters.size()) {
dbgln_if(CSS_PARSER_DEBUG, "Too many arguments to {}. max: {}", part.function().name(), function_metadata.parameters.size());
return nullptr;
}
auto const& value = argument_tokens.next_token();
RefPtr<CalculatedStyleValue> maybe_calc_value;
if (auto maybe_dynamic_value = parse_dynamic_value(value)) {
@ -5542,7 +5548,7 @@ RefPtr<StyleValue> Parser::parse_transform_value(Vector<ComponentValue> const& c
maybe_calc_value = maybe_dynamic_value->as_calculated();
}
switch (function_metadata.parameter_type) {
switch (function_metadata.parameters[argument_index].type) {
case TransformFunctionParameterType::Angle: {
// These are `<angle> | <zero>` in the spec, so we have to check for both kinds.
if (maybe_calc_value && maybe_calc_value->resolves_to_angle()) {
@ -5596,15 +5602,12 @@ RefPtr<StyleValue> Parser::parse_transform_value(Vector<ComponentValue> const& c
if (!argument_tokens.has_next_token())
return nullptr;
}
argument_index++;
}
if (values.size() < function_metadata.min_parameters) {
dbgln_if(CSS_PARSER_DEBUG, "Not enough arguments to {}. min: {}, given: {}", part.function().name(), function_metadata.min_parameters, values.size());
return nullptr;
}
if (values.size() > function_metadata.max_parameters) {
dbgln_if(CSS_PARSER_DEBUG, "Too many arguments to {}. max: {}, given: {}", part.function().name(), function_metadata.max_parameters, values.size());
if (argument_index < function_metadata.parameters.size() && function_metadata.parameters[argument_index].required) {
dbgln_if(CSS_PARSER_DEBUG, "Required parameter at position {} is missing", argument_index);
return nullptr;
}