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Support static expressions for menu simple string properties

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This commit is contained in:
Jan
2023-12-25 22:59:56 +01:00
parent 1b5d6f7439
commit 7820390dd8
5 changed files with 92 additions and 8 deletions
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src/ObjLoading/Parsing/Menu/Matcher/MenuMatcherFactory.cpp
+50
View File
@@ -58,6 +58,20 @@ MatcherFactoryWrapper<SimpleParserValue> MenuMatcherFactory::Numeric() const
}));
}
MatcherFactoryWrapper<SimpleParserValue> MenuMatcherFactory::TextExpression() const
{
return MatcherFactoryWrapper(Or({
StringChain().Tag(TAG_STRING_CHAIN).Capture(CAPTURE_STRING_CHAIN),
Identifier().Tag(TAG_IDENTIFIER).Capture(CAPTURE_IDENTIFIER),
And({
Char('(').Capture(CAPTURE_FIRST_TOKEN),
Label(MenuExpressionMatchers::LABEL_EXPRESSION),
Char(')'),
})
.Tag(TAG_EXPRESSION),
}));
}
MatcherFactoryWrapper<SimpleParserValue> MenuMatcherFactory::IntExpression() const
{
return MatcherFactoryWrapper(Or({
@@ -144,6 +158,42 @@ int MenuMatcherFactory::TokenIntExpressionValue(MenuFileParserState* state, Sequ
throw ParsingException(TokenPos(), "TokenIntExpressionValue must be expression or int");
}
std::string MenuMatcherFactory::TokenTextExpressionValue(MenuFileParserState* state, SequenceResult<SimpleParserValue>& result)
{
const auto nextTag = result.PeekTag();
assert(nextTag == TAG_STRING_CHAIN || nextTag == TAG_IDENTIFIER || nextTag == TAG_EXPRESSION);
if (nextTag == TAG_STRING_CHAIN)
{
result.NextTag();
return result.NextCapture(CAPTURE_STRING_CHAIN).StringValue();
}
if (nextTag == TAG_IDENTIFIER)
{
result.NextTag();
return result.NextCapture(CAPTURE_IDENTIFIER).IdentifierValue();
}
if (nextTag == TAG_EXPRESSION)
{
result.NextTag();
const auto expression = MenuExpressionMatchers(state).ProcessExpression(result);
if (!expression || !expression->IsStatic())
throw ParsingException(result.NextCapture(CAPTURE_FIRST_TOKEN).GetPos(), "Not a valid static expression");
const auto value = expression->EvaluateStatic();
if (value.m_type != SimpleExpressionValue::Type::STRING)
throw ParsingException(result.NextCapture(CAPTURE_FIRST_TOKEN).GetPos(), "Expression MUST be string type");
return std::move(*value.m_string_value);
}
throw ParsingException(TokenPos(), "TokenIntExpressionValue must be expression or int");
}
double MenuMatcherFactory::TokenNumericExpressionValue(MenuFileParserState* state, SequenceResult<SimpleParserValue>& result)
{
const auto nextTag = result.PeekTag();
src/ObjLoading/Parsing/Menu/Matcher/MenuMatcherFactory.h
+11 -5
View File
@@ -8,13 +8,17 @@ namespace menu
{
class MenuMatcherFactory : public SimpleMatcherFactory
{
static constexpr auto TAG_INT = 1420;
static constexpr auto TAG_NUMERIC = 1421;
static constexpr auto TAG_EXPRESSION = 1422;
static constexpr auto TAG_STRING_CHAIN = 1420;
static constexpr auto TAG_IDENTIFIER = 1421;
static constexpr auto TAG_INT = 1422;
static constexpr auto TAG_NUMERIC = 1423;
static constexpr auto TAG_EXPRESSION = 1424;
static constexpr auto CAPTURE_FIRST_TOKEN = 1420;
static constexpr auto CAPTURE_INT = 1421;
static constexpr auto CAPTURE_NUMERIC = 1422;
static constexpr auto CAPTURE_STRING_CHAIN = 1421;
static constexpr auto CAPTURE_IDENTIFIER = 1422;
static constexpr auto CAPTURE_INT = 1423;
static constexpr auto CAPTURE_NUMERIC = 1424;
public:
explicit MenuMatcherFactory(const IMatcherForLabelSupplier<SimpleParserValue>* labelSupplier);
@@ -24,6 +28,7 @@ namespace menu
_NODISCARD MatcherFactoryWrapper<SimpleParserValue> TextNoChain() const;
_NODISCARD MatcherFactoryWrapper<SimpleParserValue> Numeric() const;
_NODISCARD MatcherFactoryWrapper<SimpleParserValue> TextExpression() const;
_NODISCARD MatcherFactoryWrapper<SimpleParserValue> IntExpression() const;
_NODISCARD MatcherFactoryWrapper<SimpleParserValue> NumericExpression() const;
@@ -31,6 +36,7 @@ namespace menu
_NODISCARD static double TokenNumericFloatingPointValue(const SimpleParserValue& value);
_NODISCARD static std::string& TokenTextValue(const SimpleParserValue& value);
_NODISCARD static std::string TokenTextExpressionValue(MenuFileParserState* state, SequenceResult<SimpleParserValue>& result);
_NODISCARD static int TokenIntExpressionValue(MenuFileParserState* state, SequenceResult<SimpleParserValue>& result);
_NODISCARD static double TokenNumericExpressionValue(MenuFileParserState* state, SequenceResult<SimpleParserValue>& result);
};