#include <unicode/ucol.h>
#include <unicode/uiter.h>
#include <unicode/utypes.h>
+#include <unicode/usearch.h>
#include <unicode/ustring.h>
#include <boost/scoped_array.hpp>
#include <cstring>
}
}
+
+bool
+Collator::find(string pattern, string text) const
+{
+ if (_collator) {
+ auto utf16_pattern = utf8_to_utf16(pattern);
+ auto utf16_text = utf8_to_utf16(text);
+ UErrorCode status = U_ZERO_ERROR;
+ auto search = usearch_openFromCollator(utf16_pattern.data(), -1, utf16_text.data(), -1, _collator, nullptr, &status);
+ DCPOMATIC_ASSERT(search);
+ auto const index = usearch_first(search, &status);
+ usearch_close(search);
+ return index != -1;
+ } else {
+ transform(pattern.begin(), pattern.end(), pattern.begin(), ::tolower);
+ transform(text.begin(), text.end(), text.begin(), ::tolower);
+ return pattern.find(text) != string::npos;
+ }
+}
+
Collator& operator=(Collator const&) = delete;
int compare(std::string const& utf8_a, std::string const& utf8_b) const;
+ bool find(std::string pattern, std::string text) const;
private:
UCollator* _collator = nullptr;
BOOST_CHECK_EQUAL(collator.compare("So often YOU won't even notice", "SO OFTEN you won't even NOTiCE"), 0);
BOOST_CHECK_EQUAL(collator.compare("So often YOU won't even notice", "SO OFTEN you won't even see"), -1);
}
+
+
+
+BOOST_AUTO_TEST_CASE(collator_search_works_and_ignores_case)
+{
+ Collator collator;
+
+ BOOST_CHECK(collator.find("outh", "With filthy mouths, and bad attitudes"));
+ BOOST_CHECK(collator.find("with", "With filthy mouths, and bad attitudes"));
+ BOOST_CHECK(!collator.find("ostrabagalous", "With filthy mouths, and bad attitudes"));
+}