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| author | Alex Beregszaszi <alex@rtfs.hu> | 2017-06-22 18:24:15 +0800 |
|---|---|---|
| committer | Alex Beregszaszi <alex@rtfs.hu> | 2017-06-26 19:59:14 +0800 |
| commit | c45dbab00cbe3c8af61695a1fc095612e089358a (patch) | |
| tree | c6a4e11cda19ed2e495b36c65e19226d0c20eea2 | |
| parent | 6488f7e0795a77e4175361e3cb7270b47168a22a (diff) | |
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Rewrite validateUTF8 to use char
| -rw-r--r-- | libdevcore/UTF8.cpp | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/libdevcore/UTF8.cpp b/libdevcore/UTF8.cpp index ad62c8b0..affe64b2 100644 --- a/libdevcore/UTF8.cpp +++ b/libdevcore/UTF8.cpp @@ -70,18 +70,15 @@ bool isWellFormed(unsigned char byte1, unsigned char byte2) return true; } -} - -bool validateUTF8(std::string const& _input, size_t& _invalidPosition) +bool validateUTF8(const unsigned char *_input, size_t _length, size_t& _invalidPosition) { - const size_t length = _input.length(); bool valid = true; size_t i = 0; - for (; i < length; i++) + for (; i < _length; i++) { // Check for Unicode Chapter 3 Table 3-6 conformity. - if ((unsigned char)_input[i] < 0x80) + if (_input[i] < 0x80) continue; size_t count = 0; @@ -106,7 +103,7 @@ bool validateUTF8(std::string const& _input, size_t& _invalidPosition) break; } - if ((i + count) >= length) + if ((i + count) >= _length) { valid = false; break; @@ -138,3 +135,10 @@ bool validateUTF8(std::string const& _input, size_t& _invalidPosition) } } + +bool validateUTF8(std::string const& _input, size_t& _invalidPosition) +{ + return validateUTF8(reinterpret_cast<unsigned char const*>(_input.c_str()), _input.length(), _invalidPosition); +} + +} |