| 1 | #ifndef SASS_UTF8_STRING_H |
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| 2 | #define SASS_UTF8_STRING_H |
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| 3 | |
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| 4 | #include <string> |
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| 5 | #include "utf8.h" |
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| 6 | #include "memory.hpp" |
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| 7 | |
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| 8 | namespace Sass { |
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| 9 | namespace UTF_8 { |
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| 10 | |
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| 11 | // naming conventions: |
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| 12 | // offset: raw byte offset (0 based) |
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| 13 | // position: code point offset (0 based) |
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| 14 | // index: code point offset (1 based or negative) |
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| 15 | |
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| 16 | // function that will count the number of code points (utf-8 characters) from the beginning to the given end |
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| 17 | size_t code_point_count(const sass::string& str, size_t start, size_t end); |
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| 18 | size_t code_point_count(const sass::string& str); |
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| 19 | |
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| 20 | // function that will return the byte offset of a code point in a |
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| 21 | size_t offset_at_position(const sass::string& str, size_t position); |
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| 22 | |
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| 23 | // function that returns number of bytes in a character in a string |
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| 24 | size_t code_point_size_at_offset(const sass::string& str, size_t offset); |
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| 25 | |
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| 26 | // function that will return a normalized index, given a crazy one |
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| 27 | size_t normalize_index(int index, size_t len); |
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| 28 | |
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| 29 | #ifdef _WIN32 |
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| 30 | // functions to handle unicode paths on windows |
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| 31 | sass::string convert_from_utf16(const std::wstring& wstr); |
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| 32 | std::wstring convert_to_utf16(const sass::string& str); |
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| 33 | #endif |
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| 34 | |
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| 35 | } |
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| 36 | } |
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| 37 | |
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| 38 | #endif |
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| 39 | |
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