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#include <memory>
#include <mbgl/text/bidi.hpp>
namespace mbgl {
// This stub implementation is stateless and doesn't implement the private
// methods used by the ICU BiDi
class BiDiImpl {
// Used by the ICU implementation to hold onto internal BiDi state
};
std::u16string applyArabicShaping(const std::u16string& input) {
return input;
}
BiDi::BiDi() : impl(std::make_unique<BiDiImpl>())
{
}
BiDi::~BiDi() = default;
std::vector<std::u16string> BiDi::processText(const std::u16string& input, std::set<std::size_t> lineBreakPoints) {
lineBreakPoints.insert(input.length());
std::vector<std::u16string> transformedLines;
std::size_t start = 0;
for (std::size_t lineBreakPoint : lineBreakPoints) {
transformedLines.push_back(input.substr(start, lineBreakPoint - start));
start = lineBreakPoint;
}
return transformedLines;
}
std::vector<StyledText> BiDi::processStyledText(const StyledText& input, std::set<std::size_t> lineBreakPoints) {
lineBreakPoints.insert(input.first.length());
std::vector<StyledText> transformedLines;
std::size_t start = 0;
for (std::size_t lineBreakPoint : lineBreakPoints) {
transformedLines.emplace_back(
input.first.substr(start, lineBreakPoint - start),
std::vector<uint8_t>(input.second.begin() + start, input.second.begin() + lineBreakPoint));
start = lineBreakPoint;
}
return transformedLines;
}
} // end namespace mbgl
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