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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/ICU4XGraphemeClusterSegmenter.hpp"
#include "../../include/ICU4XLineSegmenter.hpp"
#include "../../include/ICU4XSentenceSegmenter.hpp"
#include "../../include/ICU4XWordSegmenter.hpp"
#include "../../include/ICU4XLogger.hpp"
#include <iostream>
#include <string_view>
using std::cout;
using std::endl;
void print_ruler(size_t str_len) {
for (size_t i = 0; i < str_len; i++) {
if (i % 10 == 0) {
cout << "0";
} else if (i % 5 == 0) {
cout << "5";
} else {
cout << ".";
}
}
cout << endl;
}
template <typename Iterator>
void iterate_breakpoints(Iterator& iterator) {
while (true) {
int32_t breakpoint = iterator.next();
if (breakpoint == -1) {
break;
}
cout << " " << breakpoint;
}
cout << endl;
}
template <typename Iterator>
void iterate_word_breakpoints(Iterator& iterator) {
while (true) {
int32_t breakpoint = iterator.next();
if (breakpoint == -1) {
break;
}
cout << " " << breakpoint;
switch (iterator.word_type()) {
case ICU4XSegmenterWordType::None:
cout << " (none";
break;
case ICU4XSegmenterWordType::Number:
cout << " (number";
break;
case ICU4XSegmenterWordType::Letter:
cout << " (letter";
break;
default:
cout << " (unknown status";
break;
}
if (iterator.is_word_like()) {
cout << ", word-like";
}
cout << ")";
}
cout << endl;
}
void test_line(const std::string_view& str) {
const auto provider = ICU4XDataProvider::create_compiled();
const auto segmenter_auto =
ICU4XLineSegmenter::create_auto(provider).ok().value();
const auto segmenter_lstm =
ICU4XLineSegmenter::create_lstm(provider).ok().value();
const auto segmenter_dictionary =
ICU4XLineSegmenter::create_dictionary(provider).ok().value();
const ICU4XLineSegmenter* segmenters[] = {&segmenter_auto, &segmenter_lstm,
&segmenter_dictionary};
for (const auto* segmenter : segmenters) {
cout << "Finding line breakpoints in string:" << endl << str << endl;
print_ruler(str.size());
cout << "Line breakpoints:";
auto iterator = segmenter->segment_utf8(str);
iterate_breakpoints(iterator);
}
}
void test_grapheme(const std::string_view& str) {
const auto provider = ICU4XDataProvider::create_compiled();
const auto segmenter = ICU4XGraphemeClusterSegmenter::create(provider).ok().value();
cout << "Finding grapheme cluster breakpoints in string:" << endl
<< str << endl;
print_ruler(str.size());
cout << "Grapheme cluster breakpoints:";
auto iterator = segmenter.segment_utf8(str);
iterate_breakpoints(iterator);
}
void test_word(const std::string_view& str) {
const auto provider = ICU4XDataProvider::create_compiled();
const auto segmenter_auto =
ICU4XWordSegmenter::create_auto(provider).ok().value();
const auto segmenter_lstm =
ICU4XWordSegmenter::create_lstm(provider).ok().value();
const auto segmenter_dictionary =
ICU4XWordSegmenter::create_dictionary(provider).ok().value();
const ICU4XWordSegmenter* segmenters[] = {&segmenter_auto, &segmenter_lstm,
&segmenter_dictionary};
for (const auto* segmenter : segmenters) {
cout << "Finding word breakpoints in string:" << endl << str << endl;
print_ruler(str.size());
cout << "Word breakpoints:";
auto iterator = segmenter->segment_utf8(str);
iterate_word_breakpoints(iterator);
}
}
void test_sentence(const std::string_view& str) {
const auto provider = ICU4XDataProvider::create_compiled();
const auto segmenter = ICU4XSentenceSegmenter::create(provider).ok().value();
cout << "Finding sentence breakpoints in string:" << endl
<< str << endl;
print_ruler(str.size());
cout << "Sentence breakpoints:";
auto iterator = segmenter.segment_utf8(str);
iterate_breakpoints(iterator);
}
int main(int argc, char* argv[]) {
ICU4XLogger::init_simple_logger();
std::string_view str;
if (argc >= 2) {
str = argv[1];
} else {
str = "The 101 quick brown foxes jump over the lazy dog.";
}
test_line(str);
cout << endl;
test_grapheme(str);
cout << endl;
test_word(str);
cout << endl;
test_sentence(str);
cout << endl;
return 0;
}
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