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