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#include <memory>
#include <mbgl/text/bidi.hpp>
#include <QString>
namespace mbgl {
class BiDiImpl {
public:
QString string;
};
std::u16string applyArabicShaping(const std::u16string& input) {
QString utf16string = QString::fromStdU16String(input);
return utf16string.toStdU16String();
}
ProcessedBiDiText::ProcessedBiDiText(BiDi& p_bidi) : bidi(p_bidi) {
}
void ProcessedBiDiText::mergeParagraphLineBreaks(std::set<int32_t>& lineBreakPoints) {
lineBreakPoints.insert(bidi.impl->string.length());
}
std::vector<std::u16string>
ProcessedBiDiText::applyLineBreaking(std::set<int32_t> lineBreakPoints) {
mergeParagraphLineBreaks(lineBreakPoints);
std::vector<std::u16string> transformedLines;
int32_t start = 0;
for (int32_t lineBreakPoint : lineBreakPoints) {
transformedLines.push_back(bidi.getLine(start, lineBreakPoint));
start = lineBreakPoint;
}
return transformedLines;
}
BiDi::BiDi() : impl(std::make_unique<BiDiImpl>())
{
}
BiDi::~BiDi() {
}
ProcessedBiDiText BiDi::processText(const std::u16string& input) {
impl->string = QString::fromStdU16String(input);
return ProcessedBiDiText(*this);
}
std::u16string BiDi::getLine(int32_t start, int32_t end) {
return impl->string.mid(start, end - start).toStdU16String();
}
} // end namespace mbgl
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