1 files changed, 56 insertions, 0 deletions
diff --git a/platform/qt/src/bidi.cpp b/platform/qt/src/bidi.cpp
new file mode 100644
index 0000000000..99f09e8ef8
--- /dev/null
+++ b/platform/qt/src/bidi.cpp
@@ -0,0 +1,56 @@
+#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(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