diff options
| m--------- | depends/mgl | 0 | ||||
| -rw-r--r-- | include/mglpp/system/Utf8.hpp | 8 | ||||
| -rw-r--r-- | src/system/Utf8.cpp | 4 |
3 files changed, 12 insertions, 0 deletions
diff --git a/depends/mgl b/depends/mgl -Subproject ccd0e65a0ddccd9c52d4c075ec1cad41ae7edb4 +Subproject c18f87ad13da518af5ff245dbce2a9e608097ea diff --git a/include/mglpp/system/Utf8.hpp b/include/mglpp/system/Utf8.hpp index 4f6a39a..ba1b90e 100644 --- a/include/mglpp/system/Utf8.hpp +++ b/include/mglpp/system/Utf8.hpp @@ -5,7 +5,15 @@ #include <stdint.h> namespace mgl { + // Returns false on failure. |decoded_codepoint| is set to |str[0]| if size > 0 and |codepoint_length| is set to 1 bool utf8_decode(const unsigned char *str, size_t size, uint32_t *decoded_codepoint, size_t *codepoint_length); + /* + |str| should be the start of the utf8 string and |size| is the size of the string. + Returns the index of the start of the codepoint that starts at or before |offset|, + or if the string contains invalid utf8 then the index to the invalid character is returned. + Returns 0 if start of codepoint is not found. + */ + size_t utf8_get_start_of_codepoint(const unsigned char *str, size_t size, size_t offset); } #endif /* MGLPP_UTF8_HPP */ diff --git a/src/system/Utf8.cpp b/src/system/Utf8.cpp index be9b2af..a416477 100644 --- a/src/system/Utf8.cpp +++ b/src/system/Utf8.cpp @@ -8,4 +8,8 @@ namespace mgl { bool utf8_decode(const unsigned char *str, size_t size, uint32_t *decoded_codepoint, size_t *codepoint_length) { return mgl_utf8_decode(str, size, decoded_codepoint, codepoint_length); } + + size_t utf8_get_start_of_codepoint(const unsigned char *str, size_t size, size_t offset) { + return mgl_utf8_get_start_of_codepoint(str, size, offset); + } }
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