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author | Fabian Guerra <fabian.guerra@mapbox.com> | 2018-04-23 10:44:02 -0400 |
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committer | Fabian Guerra <fabian.guerra@mapbox.com> | 2018-04-23 10:44:02 -0400 |
commit | e08b6fe87f5824ab05a4cc67d9a76af5bb5ddd3b (patch) | |
tree | 886e10260bfa044f62943186ec837b9ccd02934c /src/mbgl/style/expression/length.cpp | |
parent | 2bb785dad2489d04db179fa9cf65514640db0a96 (diff) | |
parent | a45670cfb5752866b9c8130024a313944684c2db (diff) | |
download | qtlocation-mapboxgl-e08b6fe87f5824ab05a4cc67d9a76af5bb5ddd3b.tar.gz |
Merge branch 'release-boba' into masterupstream/fabian-merge-v4.0.0
# Conflicts:
# circle.yml
# include/mbgl/style/expression/let.hpp
# platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/geometry/LatLngBounds.java
# platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapGestureDetector.java
# platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapKeyListener.java
# platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapView.java
# platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapboxMap.java
# platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Projection.java
# platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Transform.java
# platform/android/MapboxGLAndroidSDK/src/test/java/com/mapbox/mapboxsdk/geometry/LatLngBoundsTest.java
# platform/android/MapboxGLAndroidSDKTestApp/src/main/AndroidManifest.xml
# platform/android/gradle/dependencies.gradle
# platform/android/src/example_custom_layer.cpp
# platform/android/src/geojson/point.cpp
# platform/darwin/src/NSPredicate+MGLAdditions.mm
# platform/darwin/test/MGLExpressionTests.mm
# platform/ios/Mapbox-iOS-SDK-nightly-dynamic.podspec
# platform/ios/Mapbox-iOS-SDK-symbols.podspec
# platform/ios/Mapbox-iOS-SDK.podspec
# platform/ios/app/MBXViewController.m
# src/mbgl/renderer/layers/render_custom_layer.cpp
# src/mbgl/style/conversion/filter.cpp
# src/mbgl/style/expression/interpolate.cpp
# src/mbgl/style/expression/value.cpp
# test/style/filter.test.cpp
Diffstat (limited to 'src/mbgl/style/expression/length.cpp')
-rw-r--r-- | src/mbgl/style/expression/length.cpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/mbgl/style/expression/length.cpp b/src/mbgl/style/expression/length.cpp new file mode 100644 index 0000000000..258353ae4e --- /dev/null +++ b/src/mbgl/style/expression/length.cpp @@ -0,0 +1,66 @@ +#include <mbgl/style/expression/length.hpp> +#include <mbgl/util/string.hpp> + +namespace mbgl { +namespace style { +namespace expression { + +Length::Length(std::unique_ptr<Expression> input_) + : Expression(type::Number), + input(std::move(input_)) { +} + +EvaluationResult Length::evaluate(const EvaluationContext& params) const { + const EvaluationResult value = input->evaluate(params); + if (!value) return value; + return value->match( + [] (const std::string& s) { + return EvaluationResult { double(s.size()) }; + }, + [] (const std::vector<Value>& v) { + return EvaluationResult { double(v.size()) }; + }, + [&] (const auto&) -> EvaluationResult { + return EvaluationError { "Expected value to be of type string or array, but found " + toString(typeOf(*value)) + " instead." }; + }); +} + +void Length::eachChild(const std::function<void(const Expression&)>& visit) const { + visit(*input); +} + +bool Length::operator==(const Expression& e) const { + if (auto eq = dynamic_cast<const Length*>(&e)) { + return *eq->input == *input; + } + return false; +} + +std::vector<optional<Value>> Length::possibleOutputs() const { + return { nullopt }; +} + +using namespace mbgl::style::conversion; +ParseResult Length::parse(const Convertible& value, ParsingContext& ctx) { + std::size_t length = arrayLength(value); + + if (length != 2) { + ctx.error("Expected one argument, but found " + util::toString(length) + " instead."); + return ParseResult(); + } + + ParseResult input = ctx.parse(arrayMember(value, 1), 1); + if (!input) return ParseResult(); + + type::Type type = (*input)->getType(); + if (!type.is<type::Array>() && !type.is<type::StringType>() && !type.is<type::ValueType>()) { + ctx.error("Expected argument of type string or array, but found " + toString(type) + " instead."); + return ParseResult(); + } + + return ParseResult(std::make_unique<Length>(std::move(*input))); +} + +} // namespace expression +} // namespace style +} // namespace mbgl |