diff options
Diffstat (limited to 'src/mbgl/style/conversion/function.cpp')
-rw-r--r-- | src/mbgl/style/conversion/function.cpp | 66 |
1 files changed, 40 insertions, 26 deletions
diff --git a/src/mbgl/style/conversion/function.cpp b/src/mbgl/style/conversion/function.cpp index 646c1983a2..4b3b8f6c6a 100644 --- a/src/mbgl/style/conversion/function.cpp +++ b/src/mbgl/style/conversion/function.cpp @@ -1,13 +1,14 @@ #include <mbgl/style/conversion/function.hpp> #include <mbgl/style/conversion/position.hpp> #include <mbgl/style/conversion_impl.hpp> +#include <mbgl/style/expression/case.hpp> #include <mbgl/style/expression/dsl.hpp> #include <mbgl/style/expression/dsl_impl.hpp> -#include <mbgl/style/expression/step.hpp> +#include <mbgl/style/expression/format_expression.hpp> +#include <mbgl/style/expression/image_expression.hpp> #include <mbgl/style/expression/interpolate.hpp> #include <mbgl/style/expression/match.hpp> -#include <mbgl/style/expression/case.hpp> -#include <mbgl/style/expression/format_expression.hpp> +#include <mbgl/style/expression/step.hpp> #include <mbgl/util/string.hpp> #include <cassert> @@ -46,6 +47,10 @@ std::unique_ptr<Expression> convertTokenStringToFormatExpression(const std::stri return std::make_unique<FormatExpression>(sections); } +std::unique_ptr<Expression> convertTokenStringToImageExpression(const std::string& source) { + return std::make_unique<ImageExpression>(convertTokenStringToExpression(source)); +} + std::unique_ptr<Expression> convertTokenStringToExpression(const std::string& source) { std::vector<std::unique_ptr<Expression>> inputs; @@ -149,11 +154,11 @@ template optional<PropertyExpression<TextTransformType>> convertFunctionToExpression<TextTransformType>(const Convertible&, Error&, bool); template optional<PropertyExpression<TranslateAnchorType>> convertFunctionToExpression<TranslateAnchorType>(const Convertible&, Error&, bool); - template optional<PropertyExpression<Formatted>> convertFunctionToExpression<Formatted>(const Convertible&, Error&, bool); template optional<PropertyExpression<std::vector<TextWritingModeType>>> convertFunctionToExpression<std::vector<TextWritingModeType>>(const Convertible&, Error&, bool); +template optional<PropertyExpression<Image>> convertFunctionToExpression<Image>(const Convertible&, Error&, bool); // Ad-hoc Converters for double and int64_t. We should replace float with double wholesale, // and promote the int64_t Converter to general use (and it should check that the input is @@ -207,35 +212,35 @@ static bool interpolatable(type::Type type) { static optional<std::unique_ptr<Expression>> convertLiteral(type::Type type, const Convertible& value, Error& error, bool convertTokens = false) { return type.match( - [&] (const type::NumberType&) -> optional<std::unique_ptr<Expression>> { + [&](const type::NumberType&) -> optional<std::unique_ptr<Expression>> { auto result = convert<float>(value, error); if (!result) { return nullopt; } return literal(double(*result)); }, - [&] (const type::BooleanType&) -> optional<std::unique_ptr<Expression>> { + [&](const type::BooleanType&) -> optional<std::unique_ptr<Expression>> { auto result = convert<bool>(value, error); if (!result) { return nullopt; } return literal(*result); }, - [&] (const type::StringType&) -> optional<std::unique_ptr<Expression>> { + [&](const type::StringType&) -> optional<std::unique_ptr<Expression>> { auto result = convert<std::string>(value, error); if (!result) { return nullopt; } return convertTokens ? convertTokenStringToExpression(*result) : literal(*result); }, - [&] (const type::ColorType&) -> optional<std::unique_ptr<Expression>> { + [&](const type::ColorType&) -> optional<std::unique_ptr<Expression>> { auto result = convert<Color>(value, error); if (!result) { return nullopt; } return literal(*result); }, - [&] (const type::Array& array) -> optional<std::unique_ptr<Expression>> { + [&](const type::Array& array) -> optional<std::unique_ptr<Expression>> { if (!isArray(value)) { error.message = "value must be an array"; return nullopt; @@ -277,27 +282,27 @@ static optional<std::unique_ptr<Expression>> convertLiteral(type::Type type, con } ); }, - [&] (const type::NullType&) -> optional<std::unique_ptr<Expression>> { + [&](const type::NullType&) -> optional<std::unique_ptr<Expression>> { assert(false); // No properties use this type. return nullopt; }, - [&] (const type::ObjectType&) -> optional<std::unique_ptr<Expression>> { + [&](const type::ObjectType&) -> optional<std::unique_ptr<Expression>> { assert(false); // No properties use this type. return nullopt; }, - [&] (const type::ErrorType&) -> optional<std::unique_ptr<Expression>> { + [&](const type::ErrorType&) -> optional<std::unique_ptr<Expression>> { assert(false); // No properties use this type. return nullopt; }, - [&] (const type::ValueType&) -> optional<std::unique_ptr<Expression>> { + [&](const type::ValueType&) -> optional<std::unique_ptr<Expression>> { assert(false); // No properties use this type. return nullopt; }, - [&] (const type::CollatorType&) -> optional<std::unique_ptr<Expression>> { + [&](const type::CollatorType&) -> optional<std::unique_ptr<Expression>> { assert(false); // No properties use this type. return nullopt; }, - [&] (const type::FormattedType&) -> optional<std::unique_ptr<Expression>> { + [&](const type::FormattedType&) -> optional<std::unique_ptr<Expression>> { auto result = convert<std::string>(value, error); if (!result) { return nullopt; @@ -305,8 +310,15 @@ static optional<std::unique_ptr<Expression>> convertLiteral(type::Type type, con return convertTokens ? convertTokenStringToFormatExpression(*result) : literal(Formatted(result->c_str())); - } - ); + }, + [&](const type::ImageType&) -> optional<std::unique_ptr<Expression>> { + auto result = convert<std::string>(value, error); + if (!result) { + return nullopt; + } + return convertTokens ? std::make_unique<ImageExpression>(convertTokenStringToImageExpression(*result)) + : literal(Image(result->c_str())); + }); } static optional<std::map<double, std::unique_ptr<Expression>>> convertStops(type::Type type, @@ -749,29 +761,31 @@ optional<std::unique_ptr<Expression>> convertFunctionToExpression(type::Type typ if (functionType == FunctionType::Identity) { return type.match( - [&] (const type::StringType&) -> optional<std::unique_ptr<Expression>> { + [&](const type::StringType&) -> optional<std::unique_ptr<Expression>> { return string(get(literal(*property)), defaultExpr()); }, - [&] (const type::NumberType&) -> optional<std::unique_ptr<Expression>> { + [&](const type::NumberType&) -> optional<std::unique_ptr<Expression>> { return number(get(literal(*property)), defaultExpr()); }, - [&] (const type::BooleanType&) -> optional<std::unique_ptr<Expression>> { + [&](const type::BooleanType&) -> optional<std::unique_ptr<Expression>> { return boolean(get(literal(*property)), defaultExpr()); }, - [&] (const type::ColorType&) -> optional<std::unique_ptr<Expression>> { + [&](const type::ColorType&) -> optional<std::unique_ptr<Expression>> { return toColor(get(literal(*property)), defaultExpr()); }, - [&] (const type::Array& array) -> optional<std::unique_ptr<Expression>> { + [&](const type::Array& array) -> optional<std::unique_ptr<Expression>> { return assertion(array, get(literal(*property)), defaultExpr()); }, - [&] (const type::FormattedType&) -> optional<std::unique_ptr<Expression>> { + [&](const type::FormattedType&) -> optional<std::unique_ptr<Expression>> { return toFormatted(get(literal(*property)), defaultExpr()); }, - [&] (const auto&) -> optional<std::unique_ptr<Expression>> { + [&](const type::ImageType&) -> optional<std::unique_ptr<Expression>> { + return toImage(get(literal(*property)), defaultExpr()); + }, + [&](const auto&) -> optional<std::unique_ptr<Expression>> { assert(false); // No properties use this type. return nullopt; - } - ); + }); } auto stopsValue = objectMember(value, "stops"); |