#ifndef SASS_UTF8_STRING_H
#define SASS_UTF8_STRING_H
#include <string>
#include "utf8.h"
namespace Sass {
namespace UTF_8 {
// naming conventions:
// offset: raw byte offset (0 based)
// position: code point offset (0 based)
// index: code point offset (1 based or negative)
// function that will count the number of code points (utf-8 characters) from the beginning to the given end
size_t code_point_count(const std::string& str, size_t start, size_t end);
size_t code_point_count(const std::string& str);
// function that will return the byte offset of a code point in a
size_t offset_at_position(const std::string& str, size_t position);
// function that returns number of bytes in a character in a string
size_t code_point_size_at_offset(const std::string& str, size_t offset);
// function that will return a normalized index, given a crazy one
size_t normalize_index(int index, size_t len);
#ifdef _WIN32
// functions to handle unicode paths on windows
std::string convert_from_utf16(const std::wstring& wstr);
std::wstring convert_to_utf16(const std::string& str);
#endif
}
}
#endif