Overview | Namespace | Class | Index | Help

PUBLIC MEMBERS: | CLASSES | STRUCTS | UNIONS | ENUMS | TYPEDEFS | METHODS | STATIC METHODS | DATA | STATIC DATA

:: rtl ::

## class OUString

Base Classes
  None.

Known Derived Classes
  None.

virtual | abstract | interface | template
NO | NO | NO | NO

Description
  This String class provide base functionality for C++ like Unicode character array handling. The advantage of this class is, that it handle all the memory managament for you - and it do it more efficient. If you assign a string to another string, the data of both strings are shared (without any copy operation or memory allocation) as long as you do not change the string. This class stores also the length of the string, so that many operations are faster as the C-str-functions. This class provide only readonly string handling. So you could create a string and you could only query the content from this string. It provide also functionality to change the string, but this results in every case in a new string instance (in the most cases with an memory allocation). You don't have functionality to change the content of the string. If you want change the string content, than you should us the OStringBuffer class, which provide these functionality and avoid to much memory allocation. The design of this class is similar to the string classes in Java and so more people should have fewer understanding problems when they use this class.

File
  ustring.hxx

### Public Members

  #### Methods
  OUString( ) throw( ); | New string containing no characters.
  OUString( const OUString & str ) throw( ); | New string from OUString.
  OUString( rtl_uString * str ) throw( ); | New string from OUString data.
  OUString( rtl_uString * str, __sal_NoAcquire ) throw( ); | New OUString from OUString data without acquiring it. Takeover of ownership.
  OUString( const sal_Unicode * value ) throw( ); | New string from a Unicode character buffer array.
  OUString( const sal_Unicode * value, sal_Int32 length ) throw( ); | New string from a Uniocde character buffer array.
  OUString( const sal_Char * value, sal_Int32 length, rtl_TextEncoding encoding, sal_uInt32 convertFlags = OSTRING_TO_OUSTRING_CVTFLAGS ) throw( ); | New string from a 8-Bit character buffer array.
  OUString( const String & value ) throw( ); | Convert a String (from the tools module) into an OUString.
  ~OUString( ) throw( ); | Release the string data.
  OUString & operator=( const OUString & str ) throw( ); | Assign a new string.
  OUString & operator+=( const OUString & str ) throw( ); | Append a string to this string.
  sal_Int32 getLength( ) const throw( ); | Returns the length of this string.
  operator const sal_Unicode *( ) const throw( ); | Returns a pointer to the Unicode character buffer from this string.
  const sal_Unicode * getStr( ) const throw( ); | Returns a pointer to the Unicode character buffer from this string.
  sal_Int32 compareTo( const OUString & str ) const throw( ); | Compares two strings.
  sal_Int32 compareTo( const OUString & str, sal_Int32 maxLength ) const throw( ); | Compares two strings with an maximum count of characters.
  sal_Int32 reverseCompareTo( const OUString & str ) const throw( ); | Compares two strings in reverse order.
  sal_Bool equals( const OUString & str ) const throw( ); | Perform a comparison of two strings.
  sal_Bool equalsIgnoreAsciiCase( const OUString & str ) const throw( ); | Perform a ASCII lowercase comparison of two strings.
  sal_Bool match( const OUString & str, sal_Int32 fromIndex = 0 ) const throw( ); | Perform a comparison of a substring in this string.
  sal_Bool matchIgnoreAsciiCase( const OUString & str, sal_Int32 fromIndex = 0 ) const throw( ); | Perform a ASCII lowercase comparison of a substring in this string.
  sal_Int32 compareToAscii( const sal_Char * asciiStr ) const throw( ); | Compares two strings.
  sal_Int32 compareToAscii( const sal_Char * asciiStr, sal_Int32 maxLength ) const throw( ); | Compares two strings with an maximum count of characters.
  sal_Int32 reverseCompareToAsciiL( const sal_Char * asciiStr, sal_Int32 asciiStrLength ) const throw( ); | Compares two strings in reverse order.
  sal_Bool equalsAscii( const sal_Char * asciiStr ) const throw( ); | Perform a comparison of two strings.
  sal_Bool equalsAsciiL( const sal_Char * asciiStr, sal_Int32 asciiStrLength ) const throw( ); | Perform a comparison of two strings.
  sal_Bool equalsIgnoreAsciiCaseAscii( const sal_Char * asciiStr ) const throw( ); | Perform a ASCII lowercase comparison of two strings.
  sal_Bool equalsIgnoreAsciiCaseAsciiL( const sal_Char * asciiStr, sal_Int32 asciiStrLength ) const throw( ); | Perform a ASCII lowercase comparison of two strings.
  sal_Bool matchAsciiL( const sal_Char * asciiStr, sal_Int32 asciiStrLength, sal_Int32 fromIndex = 0 ) const throw( ); | Perform a comparison of a substring in this string.
  sal_Bool matchIgnoreAsciiCaseAsciiL( const sal_Char * asciiStr, sal_Int32 asciiStrLength, sal_Int32 fromIndex = 0 ) const throw( ); | Perform a ASCII lowercase comparison of a substring in this string.
  sal_Int32 hashCode( ) const throw( ); | Returns a hashcode for this string.
  sal_Int32 indexOf( sal_Unicode ch, sal_Int32 fromIndex = 0 ) const throw( ); | Returns the index within this string of the first occurrence of the specified character, starting the search at the specified index.
  sal_Int32 lastIndexOf( sal_Unicode ch ) const throw( ); | Returns the index within this string of the last occurrence of the specified character, searching backward starting at the end.
  sal_Int32 lastIndexOf( sal_Unicode ch, sal_Int32 fromIndex ) const throw( ); | Returns the index within this string of the last occurrence of the specified character, searching backward starting at the specified index.
  sal_Int32 indexOf( const OUString & str, sal_Int32 fromIndex = 0 ) const throw( ); | Returns the index within this string of the first occurrence of the specified substring, starting at the specified index.
  sal_Int32 lastIndexOf( const OUString & str ) const throw( ); | Returns the index within this string of the last occurrence of the specified substring, searching backward starting at the end.
  sal_Int32 lastIndexOf( const OUString & str, sal_Int32 fromIndex ) const throw( ); | Returns the index within this string of the last occurrence of the specified substring, searching backward starting at the end.
  OUString copy( sal_Int32 beginIndex ) const throw( ); | Returns a new string that is a substring of this string.
  OUString copy( sal_Int32 beginIndex, sal_Int32 count ) const throw( ); | Returns a new string that is a substring of this string.
  OUString concat( const OUString & str ) const throw( ); | Concatenates the specified string to the end of this string.
  OUString replaceAt( sal_Int32 index, sal_Int32 count, const OUString & newStr ) const throw( ); | Returns a new string resulting from replacing n = count characters from position index in this string with newStr.
  OUString replace( sal_Unicode oldChar, sal_Unicode newChar ) const throw( ); | Returns a new string resulting from replacing all occurrences of oldChar in this string with newChar.
  OUString toAsciiLowerCase( ) const throw( ); | Converts from this string all ASCII uppercase characters (65-90) to ASCII lowercase characters (97-122).
  OUString toAsciiUpperCase( ) const throw( ); | Converts from this string all ASCII lowercase characters (97-122) to ASCII uppercase characters (65-90).
  OUString trim( ) const throw( ); | Returns a new string resulting from removing white space from both ends of the string.
  OUString getToken( sal_Int32 token, sal_Unicode cTok, sal_Int32 & index ) const throw( ); | Returns a token in the string.
  sal_Bool toBoolean( ) const throw( ); | Returns the Boolean value from this string.
  sal_Unicode toChar( ) const throw( ); | Returns the first character from this string.
  sal_Int32 toInt32( sal_Int16 radix = 10 ) const throw( ); | Returns the int32 value from this string.
  sal_Int64 toInt64( sal_Int16 radix = 10 ) const throw( ); | Returns the int64 value from this string.
  float toFloat( ) const throw( ); | Returns the float value from this string.
  double toDouble( ) const throw( ); | Returns the double value from this string.
  bool convertToString( OString * pTarget, rtl_TextEncoding nEncoding, sal_uInt32 nFlags ) const; | Converts to an OString, signalling failure.

  #### Static Methods
  static OUString valueOf( sal_Bool b ) throw( ); | Returns the string representation of the sal_Bool argument.
  static OUString valueOf( sal_Unicode c ) throw( ); | Returns the string representation of the char argument.
  static OUString valueOf( sal_Int32 i, sal_Int16 radix = 10 ) throw( ); | Returns the string representation of the int argument.
  static OUString valueOf( sal_Int64 l, sal_Int16 radix = 10 ) throw( ); | Returns the string representation of the long argument.
  static OUString valueOf( float f ) throw( ); | Returns the string representation of the float argument.
  static OUString valueOf( double d ) throw( ); | Returns the string representation of the double argument.
  static OUString createFromAscii( const sal_Char * value ) throw( ); | Returns a OUString copied without conversion from an ASCII character string.

Top of Page

Copyright © 2003 Sun Microsystems, Inc.