diff options
Diffstat (limited to 'src/mongo/base/string_data-inl.h')
| -rw-r--r-- | src/mongo/base/string_data-inl.h | 167 |
1 files changed, 82 insertions, 85 deletions
diff --git a/src/mongo/base/string_data-inl.h b/src/mongo/base/string_data-inl.h index 4c8a0bdc924..1bf436cb5ea 100644 --- a/src/mongo/base/string_data-inl.h +++ b/src/mongo/base/string_data-inl.h @@ -33,106 +33,103 @@ namespace mongo { - inline int StringData::compare(StringData other) const { - int res = memcmp(_data, other._data, std::min(_size, other._size)); - if (res != 0) { - return res > 0 ? 1 : -1; - } - else if (_size == other._size) { - return 0; - } - else { - return _size > other._size ? 1 : -1; - } +inline int StringData::compare(StringData other) const { + int res = memcmp(_data, other._data, std::min(_size, other._size)); + if (res != 0) { + return res > 0 ? 1 : -1; + } else if (_size == other._size) { + return 0; + } else { + return _size > other._size ? 1 : -1; } - - inline bool StringData::equalCaseInsensitive( StringData other ) const { - if ( other.size() != size() ) - return false; - - for ( size_t x = 0; x < size(); x++ ) { - char a = _data[x]; - char b = other._data[x]; - if ( a == b ) - continue; - if ( tolower(a) == tolower(b) ) - continue; - return false; - } - - return true; - } - - inline void StringData::copyTo( char* dest, bool includeEndingNull ) const { - memcpy( dest, _data, size() ); - if ( includeEndingNull ) - dest[size()] = 0; - } - - inline size_t StringData::find( char c, size_t fromPos ) const { - if ( fromPos >= size() ) - return std::string::npos; - - const void* x = memchr( _data + fromPos, c, _size - fromPos ); - if ( x == 0 ) - return std::string::npos; - return static_cast<size_t>( static_cast<const char*>(x) - _data ); +} + +inline bool StringData::equalCaseInsensitive(StringData other) const { + if (other.size() != size()) + return false; + + for (size_t x = 0; x < size(); x++) { + char a = _data[x]; + char b = other._data[x]; + if (a == b) + continue; + if (tolower(a) == tolower(b)) + continue; + return false; } - inline size_t StringData::find( StringData needle ) const { - size_t mx = size(); - size_t needleSize = needle.size(); + return true; +} - if ( needleSize == 0 ) - return 0; - else if ( needleSize > mx ) - return std::string::npos; +inline void StringData::copyTo(char* dest, bool includeEndingNull) const { + memcpy(dest, _data, size()); + if (includeEndingNull) + dest[size()] = 0; +} - mx -= needleSize; - - for ( size_t i = 0; i <= mx; i++ ) { - if ( memcmp( _data + i, needle._data, needleSize ) == 0 ) - return i; - } +inline size_t StringData::find(char c, size_t fromPos) const { + if (fromPos >= size()) return std::string::npos; - } + const void* x = memchr(_data + fromPos, c, _size - fromPos); + if (x == 0) + return std::string::npos; + return static_cast<size_t>(static_cast<const char*>(x) - _data); +} - inline size_t StringData::rfind( char c, size_t fromPos ) const { - const size_t sz = size(); - if ( fromPos > sz ) - fromPos = sz; +inline size_t StringData::find(StringData needle) const { + size_t mx = size(); + size_t needleSize = needle.size(); - for ( const char* cur = _data + fromPos; cur > _data; --cur ) { - if ( *(cur - 1) == c ) - return (cur - _data) - 1; - } + if (needleSize == 0) + return 0; + else if (needleSize > mx) return std::string::npos; - } - - inline StringData StringData::substr( size_t pos, size_t n ) const { - if ( pos > size() ) - throw std::out_of_range( "out of range" ); - // truncate to end of string - if ( n > size() - pos ) - n = size() - pos; + mx -= needleSize; - return StringData( _data + pos, n ); + for (size_t i = 0; i <= mx; i++) { + if (memcmp(_data + i, needle._data, needleSize) == 0) + return i; } + return std::string::npos; +} - inline bool StringData::startsWith( StringData prefix ) const { - // TODO: Investigate an optimized implementation. - return substr(0, prefix.size()) == prefix; - } +inline size_t StringData::rfind(char c, size_t fromPos) const { + const size_t sz = size(); + if (fromPos > sz) + fromPos = sz; - inline bool StringData::endsWith( StringData suffix ) const { - // TODO: Investigate an optimized implementation. - const size_t thisSize = size(); - const size_t suffixSize = suffix.size(); - if (suffixSize > thisSize) - return false; - return substr(thisSize - suffixSize) == suffix; + for (const char* cur = _data + fromPos; cur > _data; --cur) { + if (*(cur - 1) == c) + return (cur - _data) - 1; } + return std::string::npos; +} + +inline StringData StringData::substr(size_t pos, size_t n) const { + if (pos > size()) + throw std::out_of_range("out of range"); + + // truncate to end of string + if (n > size() - pos) + n = size() - pos; + + return StringData(_data + pos, n); +} + +inline bool StringData::startsWith(StringData prefix) const { + // TODO: Investigate an optimized implementation. + return substr(0, prefix.size()) == prefix; +} + +inline bool StringData::endsWith(StringData suffix) const { + // TODO: Investigate an optimized implementation. + const size_t thisSize = size(); + const size_t suffixSize = suffix.size(); + if (suffixSize > thisSize) + return false; + return substr(thisSize - suffixSize) == suffix; +} } // namespace mongo |