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// This file is part of ICU4X. For terms of use, please see the file
// called LICENSE at the top level of the ICU4X source tree
// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
#include "../../include/ICU4XDataProvider.hpp"
#include "../../include/ICU4XBidi.hpp"
#include "../../include/ICU4XLogger.hpp"
#include <iostream>
int main() {
ICU4XDataProvider dp = ICU4XDataProvider::create_compiled();
auto bidi = ICU4XBidi::create(dp).ok().value();
// Written char-by-char to avoid messing up certain text editors.
std::string_view str =
"א"
"ב"
"ג"
"a"
"b"
"c"
"\n"
"a"
"b"
"c"
"א"
"ב"
"ג";
// reordered string is same for both lines
std::string_view reordered_expected =
"a"
"b"
"c"
"ג"
"ב"
"א";
auto bidi_info = bidi.for_text(str, ICU4XBidi::level_ltr());
auto n_para = bidi_info.paragraph_count();
if (n_para != 2) {
std::cout << "Expected 2 paragraphs, found " << n_para << std::endl;
return 1;
}
auto para = bidi_info.paragraph_at(0).value();
auto size = para.size();
if (size != 10) {
std::cout << "Expected paragraph of size 10, found " << size << std::endl;
return 1;
}
// The first paragraph's first strongly directional character is RTL
uint8_t level = para.level_at(0);
std::cout << "Level of first paragraph at index 0 is " << unsigned(level) << std::endl;
if (!ICU4XBidi::level_is_rtl(level)) {
std::cout << "Expected level at index 0 to be RTL" << std::endl;
return 1;
}
std::string reordered = para.reorder_line(0, 9).ok().value();
std::cout << "Reordered paragraph: " << reordered << std::endl;
if (reordered != reordered) {
std::cout << "Found incorrect reordering, expected: " << reordered << std::endl;
}
para.set_paragraph_in_text(1).ok().value();
size = para.size();
if (size != 9) {
std::cout << "Expected paragraph of size 9, found " << size << std::endl;
return 1;
}
// The second paragraph's first strongly directional character is LTR
level = para.level_at(0);
std::cout << "Level of second paragraph at index 0 is " << unsigned(level) << std::endl;
if (!ICU4XBidi::level_is_ltr(level)) {
std::cout << "Expected level at index 0 to be LTR" << std::endl;
return 1;
}
reordered = para.reorder_line(10, 19).ok().value();
std::cout << "Reordered paragraph: " << reordered << std::endl;
if (reordered != reordered) {
std::cout << "Found incorrect reordering, expected: " << reordered << std::endl;
}
return 0;
}
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