diff options
Diffstat (limited to 'platform/default/src/mbgl/text/unaccent.cpp')
-rw-r--r-- | platform/default/src/mbgl/text/unaccent.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/platform/default/src/mbgl/text/unaccent.cpp b/platform/default/src/mbgl/text/unaccent.cpp new file mode 100644 index 0000000000..37b9a0d9ca --- /dev/null +++ b/platform/default/src/mbgl/text/unaccent.cpp @@ -0,0 +1,43 @@ +#include <mbgl/util/platform.hpp> +#include <libnu/unaccent.h> +#include <mbgl/text/unaccent.hpp> + +#include <cstring> +#include <sstream> + +namespace mbgl { namespace platform { + +std::string unaccent(const std::string& str) +{ + std::stringstream output; + char const *itr = str.c_str(), *nitr; + char const *end = itr + str.length(); + char lo[5] = { 0 }; + + for (; itr < end; itr = nitr) + { + uint32_t code_point = 0; + char const* buf = nullptr; + + nitr = _nu_tounaccent(itr, end, nu_utf8_read, &code_point, &buf, nullptr); + if (buf != nullptr) + { + do + { + buf = NU_CASEMAP_DECODING_FUNCTION(buf, &code_point); + if (code_point == 0) break; + output.write(lo, nu_utf8_write(code_point, lo) - lo); + } + while (code_point != 0); + } + else + { + output.write(itr, nitr - itr); + } + } + + return output.str(); +} + +} // namespace platform +} // namespace mbgl |