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#include <mbgl/style/expression/formatted.hpp>
#include <mbgl/style/conversion_impl.hpp>
#include <mbgl/style/expression/is_constant.hpp>
#include <mbgl/style/expression/is_expression.hpp>
#include <mbgl/style/expression/literal.hpp>
#include <mbgl/style/expression/expression.hpp>
#include <mbgl/style/expression/type.hpp>
#include <mbgl/style/expression/compound_expression.hpp>
#include <mbgl/style/expression/boolean_operator.hpp>
namespace mbgl {
namespace style {
namespace expression {
bool Formatted::operator==(const Formatted& other) const {
if (other.sections.size() != sections.size()) {
return false;
}
for (std::size_t i = 0; i < sections.size(); i++) {
const auto& thisSection = sections.at(i);
const auto& otherSection = other.sections.at(i);
if (thisSection.text != otherSection.text ||
thisSection.fontScale != otherSection.fontScale ||
thisSection.fontStack != otherSection.fontStack) {
return false;
}
}
return true;
}
std::string Formatted::toString() const {
std::string result;
for (const auto& section : sections) {
result += section.text;
}
return result;
}
} // namespace expression
namespace conversion {
using namespace mbgl::style::expression;
optional<Formatted> Converter<Formatted>::operator()(const Convertible& value, Error& error) const {
using namespace mbgl::style::expression;
if (isArray(value)) {
std::vector<FormattedSection> sections;
for (std::size_t i = 0; i < arrayLength(value); ++i) {
Convertible section = arrayMember(value, i);
std::size_t sectionLength = arrayLength(section);
if (sectionLength < 1) {
error.message = "Section has to contain a text and optional parameters.";
return nullopt;
}
optional<std::string> sectionText = toString(arrayMember(section, 0));
if (!sectionText) {
error.message = "Section has to contain a text.";
return nullopt;
}
optional<double> fontScale;
optional<FontStack> textFont;
if (sectionLength > 1) {
Convertible sectionParams = arrayMember(section, 1);
if (!isObject(sectionParams)) {
error.message = "Parameters have to be enclosed in an object.";
return nullopt;
}
optional<Convertible> fontScaleMember = objectMember(sectionParams, "font-scale");
if (fontScaleMember) {
fontScale = toDouble(*fontScaleMember);
}
optional<Convertible> textFontMember = objectMember(sectionParams, "text-font");
if (textFontMember) {
if (isArray(*textFontMember)) {
std::vector<std::string> fontsVector;
for (std::size_t j = 0; j < arrayLength(*textFontMember); ++j) {
auto font = toString(arrayMember(*textFontMember, j));
if (font) {
fontsVector.push_back(*font);
} else {
error.message = "Font has to be a string.";
return nullopt;
}
}
textFont = fontsVector;
} else {
error.message = "Font stack has to be an array.";
return nullopt;
}
}
}
sections.push_back(FormattedSection(*sectionText, fontScale, textFont));
}
return Formatted(sections);
} else if (optional<std::string> result = toString(value)) {
return Formatted(result->c_str());
} else {
error.message = "Not supported Formatted type property.";
return nullopt;
}
}
} // namespace conversion
} // namespace style
} // namespace mbgl
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