1 files changed, 150 insertions, 0 deletions
diff --git a/intl/icu_capi/cpp/include/ICU4XBidiParagraph.hpp b/intl/icu_capi/cpp/include/ICU4XBidiParagraph.hpp
new file mode 100644
index 0000000000..645390640b
--- /dev/null
+++ b/intl/icu_capi/cpp/include/ICU4XBidiParagraph.hpp
@@ -0,0 +1,150 @@
+#ifndef ICU4XBidiParagraph_HPP
+#define ICU4XBidiParagraph_HPP
+#include <stdint.h>
+#include <stddef.h>
+#include <stdbool.h>
+#include <algorithm>
+#include <memory>
+#include <variant>
+#include <optional>
+#include "diplomat_runtime.hpp"
+
+#include "ICU4XBidiParagraph.h"
+
+#include "ICU4XError.hpp"
+#include "ICU4XBidiDirection.hpp"
+
+/**
+ * A destruction policy for using ICU4XBidiParagraph with std::unique_ptr.
+ */
+struct ICU4XBidiParagraphDeleter {
+  void operator()(capi::ICU4XBidiParagraph* l) const noexcept {
+    capi::ICU4XBidiParagraph_destroy(l);
+  }
+};
+
+/**
+ * Bidi information for a single processed paragraph
+ */
+class ICU4XBidiParagraph {
+ public:
+
+  /**
+   * Given a paragraph index `n` within the surrounding text, this sets this
+   * object to the paragraph at that index. Returns `ICU4XError::OutOfBoundsError` when out of bounds.
+   * 
+   * This is equivalent to calling `paragraph_at()` on `ICU4XBidiInfo` but doesn't
+   * create a new object
+   */
+  diplomat::result<std::monostate, ICU4XError> set_paragraph_in_text(size_t n);
+
+  /**
+   * The primary direction of this paragraph
+   * 
+   * See the [Rust documentation for `level_at`](https://docs.rs/unicode_bidi/latest/unicode_bidi/struct.Paragraph.html#method.level_at) for more information.
+   */
+  ICU4XBidiDirection direction() const;
+
+  /**
+   * The number of bytes in this paragraph
+   * 
+   * See the [Rust documentation for `len`](https://docs.rs/unicode_bidi/latest/unicode_bidi/struct.ParagraphInfo.html#method.len) for more information.
+   */
+  size_t size() const;
+
+  /**
+   * The start index of this paragraph within the source text
+   */
+  size_t range_start() const;
+
+  /**
+   * The end index of this paragraph within the source text
+   */
+  size_t range_end() const;
+
+  /**
+   * Reorder a line based on display order. The ranges are specified relative to the source text and must be contained
+   * within this paragraph's range.
+   * 
+   * See the [Rust documentation for `level_at`](https://docs.rs/unicode_bidi/latest/unicode_bidi/struct.Paragraph.html#method.level_at) for more information.
+   */
+  template<typename W> diplomat::result<std::monostate, ICU4XError> reorder_line_to_writeable(size_t range_start, size_t range_end, W& out) const;
+
+  /**
+   * Reorder a line based on display order. The ranges are specified relative to the source text and must be contained
+   * within this paragraph's range.
+   * 
+   * See the [Rust documentation for `level_at`](https://docs.rs/unicode_bidi/latest/unicode_bidi/struct.Paragraph.html#method.level_at) for more information.
+   */
+  diplomat::result<std::string, ICU4XError> reorder_line(size_t range_start, size_t range_end) const;
+
+  /**
+   * Get the BIDI level at a particular byte index in this paragraph.
+   * This integer is conceptually a `unicode_bidi::Level`,
+   * and can be further inspected using the static methods on ICU4XBidi.
+   * 
+   * Returns 0 (equivalent to `Level::ltr()`) on error
+   * 
+   * See the [Rust documentation for `level_at`](https://docs.rs/unicode_bidi/latest/unicode_bidi/struct.Paragraph.html#method.level_at) for more information.
+   */
+  uint8_t level_at(size_t pos) const;
+  inline const capi::ICU4XBidiParagraph* AsFFI() const { return this->inner.get(); }
+  inline capi::ICU4XBidiParagraph* AsFFIMut() { return this->inner.get(); }
+  inline ICU4XBidiParagraph(capi::ICU4XBidiParagraph* i) : inner(i) {}
+  ICU4XBidiParagraph() = default;
+  ICU4XBidiParagraph(ICU4XBidiParagraph&&) noexcept = default;
+  ICU4XBidiParagraph& operator=(ICU4XBidiParagraph&& other) noexcept = default;
+ private:
+  std::unique_ptr<capi::ICU4XBidiParagraph, ICU4XBidiParagraphDeleter> inner;
+};
+
+
+inline diplomat::result<std::monostate, ICU4XError> ICU4XBidiParagraph::set_paragraph_in_text(size_t n) {
+  auto diplomat_result_raw_out_value = capi::ICU4XBidiParagraph_set_paragraph_in_text(this->inner.get(), n);
+  diplomat::result<std::monostate, ICU4XError> diplomat_result_out_value;
+  if (diplomat_result_raw_out_value.is_ok) {
+    diplomat_result_out_value = diplomat::Ok(std::monostate());
+  } else {
+    diplomat_result_out_value = diplomat::Err<ICU4XError>(static_cast<ICU4XError>(diplomat_result_raw_out_value.err));
+  }
+  return diplomat_result_out_value;
+}
+inline ICU4XBidiDirection ICU4XBidiParagraph::direction() const {
+  return static_cast<ICU4XBidiDirection>(capi::ICU4XBidiParagraph_direction(this->inner.get()));
+}
+inline size_t ICU4XBidiParagraph::size() const {
+  return capi::ICU4XBidiParagraph_size(this->inner.get());
+}
+inline size_t ICU4XBidiParagraph::range_start() const {
+  return capi::ICU4XBidiParagraph_range_start(this->inner.get());
+}
+inline size_t ICU4XBidiParagraph::range_end() const {
+  return capi::ICU4XBidiParagraph_range_end(this->inner.get());
+}
+template<typename W> inline diplomat::result<std::monostate, ICU4XError> ICU4XBidiParagraph::reorder_line_to_writeable(size_t range_start, size_t range_end, W& out) const {
+  capi::DiplomatWriteable out_writer = diplomat::WriteableTrait<W>::Construct(out);
+  auto diplomat_result_raw_out_value = capi::ICU4XBidiParagraph_reorder_line(this->inner.get(), range_start, range_end, &out_writer);
+  diplomat::result<std::monostate, ICU4XError> diplomat_result_out_value;
+  if (diplomat_result_raw_out_value.is_ok) {
+    diplomat_result_out_value = diplomat::Ok(std::monostate());
+  } else {
+    diplomat_result_out_value = diplomat::Err<ICU4XError>(static_cast<ICU4XError>(diplomat_result_raw_out_value.err));
+  }
+  return diplomat_result_out_value;
+}
+inline diplomat::result<std::string, ICU4XError> ICU4XBidiParagraph::reorder_line(size_t range_start, size_t range_end) const {
+  std::string diplomat_writeable_string;
+  capi::DiplomatWriteable diplomat_writeable_out = diplomat::WriteableFromString(diplomat_writeable_string);
+  auto diplomat_result_raw_out_value = capi::ICU4XBidiParagraph_reorder_line(this->inner.get(), range_start, range_end, &diplomat_writeable_out);
+  diplomat::result<std::monostate, ICU4XError> diplomat_result_out_value;
+  if (diplomat_result_raw_out_value.is_ok) {
+    diplomat_result_out_value = diplomat::Ok(std::monostate());
+  } else {
+    diplomat_result_out_value = diplomat::Err<ICU4XError>(static_cast<ICU4XError>(diplomat_result_raw_out_value.err));
+  }
+  return diplomat_result_out_value.replace_ok(std::move(diplomat_writeable_string));
+}
+inline uint8_t ICU4XBidiParagraph::level_at(size_t pos) const {
+  return capi::ICU4XBidiParagraph_level_at(this->inner.get(), pos);
+}
+#endif