IBuffer
The IBuffer class defines the contents of an
IString.
IBuffer - Member Functions and Data by Group
Constructors & Destructor
Construct and destructor IBuffer objects.
- ~IBuffer
protected:
virtual ~IBuffer()
- Does nothing at this time.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- IBuffer
protected:
IBuffer(unsigned newLen)
- Constructors a new buffer object.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Allocation
Use these protected members to allocate and deallocate
IBuffer objects.
- allocate
protected:
virtual IBuffer* allocate(unsigned bufLength) const
- Returns a new buffer of the specified length.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- operator delete
- Deallocates a buffer.
Overload 1
protected:
void
operator delete( void* p,
const char* filename,
size_t linenum )
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Overload 2
protected:
void operator delete(void* p)
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- operator new
- Allocates space for a buffer of the specified length. The returned pointer is an area the size of an IBuffer large
enough to hold data of size bufLen.
Overload 1
protected:
void* operator new(size_t t, unsigned bufLen)
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Overload 2
protected:
void*
operator new( size_t t,
const char* filename,
size_t linenum,
unsigned bufLen )
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Comparisons
Use these members to compare the IBuffer's contents to
some other character array.
- compare
public:
virtual Comparison
compare( const void* p,
unsigned len ) const
- Compares the buffer's contents to the contents of the specified character array.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Diagnostics
Use these members to provide diagnostic information about the buffer.
- asDebugInfo
public:
virtual IString asDebugInfo() const
- Returns information about the buffer's internal representation that you can use for debugging.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Editing
These members are called by the corresponding IString members
to edit the buffer's contents.
- center
public:
virtual IBuffer* center(unsigned newLen, char padCharacter)
- Centers the receiver within a string of the specified length.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- change
public:
virtual IBuffer*
change( const char* pSource,
unsigned sourceLen,
const char* pTarget,
unsigned targetLen,
unsigned startPos,
unsigned numChanges )
- Changes occurrences of a specified pattern to a specified replacement string. You can specify the number of changes to perform.
The default is to change all occurrences of the pattern. You can also specify the position in the receiver at which to begin.
The parameters are the following:
- pSource
- The pattern string as a NULL-terminated string.
The library searches for the pattern string within the receiver's data.
- sourceLen
- The length of the source string.
- pTarget
- The target string as a NULL-terminated string.
It replaces the occurrences of the pattern string in the receiver's data.
- targetLen
- The length of the target string.
- startPos
- The position to start the search at within the target's data.
- numChanges
- The number of patterns to search for and change.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- copy
public:
virtual IBuffer* copy(unsigned numCopies)
- Replaces the receiver's contents with a specified number of replications of itself.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- insert
public:
virtual IBuffer*
insert( const char* pInsert,
unsigned insertLen,
unsigned pos,
char padCharacter )
- Inserts the specified string after the specified location.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- leftJustify
public:
virtual IBuffer*
leftJustify( unsigned newLen,
char padCharacter )
- Left-justifies the receiver in a string of the specified length. If the new length (newLen) is larger than the current length,
the string is extended by the pad
character (padCharacter). The default pad character is a blank.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- lowerCase
public:
virtual IBuffer* lowerCase()
- Translates all uppercase letters in the receiver to lowercase.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- overlayWith
public:
virtual IBuffer*
overlayWith( const char* overlay,
unsigned len,
unsigned pos,
char padCharacter )
- Replaces a specified portion of the receiver's contents with the specified string. If pos is beyond the end of the
receiver's data, it is padded with the pad
character (padCharacter).
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- remove
public:
virtual IBuffer*
remove( unsigned startPos,
unsigned numChars )
- Deletes the specified portion of the string (that is, the substring) from the receiver. You can use this function to truncate an IString object at
a specific position. For example:
:xmp scale='0.8'
removes the substring beginning at index 8 and takes the rest of the string as a default.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- reverse
public:
virtual IBuffer* reverse()
- Reverses the receiver's contents.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- rightJustify
public:
virtual IBuffer*
rightJustify( unsigned newLen,
char padCharacter )
- Right-justifies the receiver in a string of the specified length. If the receiver's data is shorter than the requested length
(newLen), it is padded on the left with the
pad
character (padCharacter). The default pad character is a blank.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- strip
- Strips both the leading and trailing character or characters. You can specify the character or characters as the following:
The default is white space.
Overload 1
public:
virtual IBuffer*
strip( const IStringTest& aTest,
IStringEnum::StripMode mode )
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Overload 2
public:
virtual IBuffer*
strip( const char* pChars,
unsigned len,
IStringEnum::StripMode mode )
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- translate
public:
virtual IBuffer*
translate( const char* pInputChars,
unsigned inputLen,
const char* pOutputChars,
unsigned outputLen,
char padCharacter )
- Converts all of the receiver's characters that are in the first specified string to the corresponding character in the second
specified string.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- upperCase
public:
virtual IBuffer* upperCase()
- Translates all lowercase letters in the receiver to uppercase.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Implementation
This member helps implement this class.
- initialize
protected:
static IBuffer* initialize()
- Initializes the IBuffer object (sets up a NULL buffer, a
DBCS
table, and so forth).
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
NLS Testing
Corresponding IString members use these members to test the buffer's contents.
These tests are character-set-specific.
- includesDBCS
public:
virtual bool includesDBCS() const
- If any characters are DBCS (double-byte character set), true is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- includesMBCS
public:
virtual bool includesMBCS() const
- If any characters are MBCS (multiple-byte character set), true is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- includesSBCS
public:
virtual bool includesSBCS() const
- If any characters are SBCS (single-byte character set), true is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- isDBCS
public:
virtual bool isDBCS() const
- If all the characters are DBCS,
true is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- isMBCS
public:
virtual bool isMBCS() const
- If all the characters are MBCS, true is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- isSBCS
public:
virtual bool isSBCS() const
- If all the characters are SBCS, true is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- isValidDBCS
public:
virtual bool isValidDBCS() const
- If no DBCS
characters have a 0 second byte, true is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- isValidMBCS
public:
virtual bool isValidMBCS() const
- If no MBCS characters have a 0 second byte, true is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Protected Queries
This member helps implement this class.
- className
protected:
virtual const char* className() const
- Returns the name of the class (IBuffer).
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Queries
Use these members to access various attributes of a buffer.
- charType
public:
virtual IStringEnum::CharType
charType( unsigned index ) const
- Returns the type of a character at the specified index.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- contents
- Returns the address of the buffer's contents.
Overload 1
public:
const char* contents() const
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Overload 2
public:
char* contents()
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- defaultBuffer
public:
static IBuffer* defaultBuffer()
- Returns the address of the NULL buffer for the class. This is a static function.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- fromContents
public:
static IBuffer* fromContents(const char* pBuffer)
- Returns the address of IBuffer using the specified pointer to its contents. This is a static function.
Note:
It is important that pBuffer point to the actual beginning of data from an IBuffer object.
The Open Class Library can return only values from the contents function of this class. Otherwise, if the returned
IBuffer pointer is used, errors could occur.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- length
public:
unsigned length() const
- Returns the length of the buffer's contents.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- next
- Returns a pointer to the next character, not the next byte, in the buffer.
Overload 1
public:
virtual char* next(const char* prev)
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Overload 2
public:
virtual const char* next(const char* prev) const
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- null
public:
IBuffer* null() const
- Returns the address of the NULL buffer.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- useCount
public:
unsigned useCount() const
- Returns the number of IStrings referring to the buffer.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Reallocation
Use these members to manage reallocation of IBuffers when strings' contents
are modified.
- checkAddition
public:
static unsigned
checkAddition( unsigned addend1,
unsigned addend2 )
- Verifies that the two parameters, when added, do not overflow an unsigned integer.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- checkMultiplication
public:
static unsigned
checkMultiplication( unsigned factor1,
unsigned factor2 )
- Verifies that the two parameters, when multiplied, do not overflow an unsigned integer.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- newBuffer
public:
IBuffer*
newBuffer( const void* p1,
unsigned len1,
const void* p2 = 0,
unsigned len2 = 0,
const void* p3 = 0,
unsigned len3 = 0,
char padChar = 0 ) const
- Allocates a new buffer and initializes it with the contents of up to three specified buffers.
The parameters are the following:
- p1
-
The pointer to the first part to be copied into the data area of the new buffer.
The first part is len1 bytes long.
If the pointer is NULL, the padChar is copied for len1 bytes.
- len1
-
The length, in bytes, of the first part to be copied into the new buffer.
- p2
-
A pointer to the second part, immediately following the first part, to be copied
into the data area of the new buffer.
The second part is len2 bytes long.
If the pointer is NULL, the padChar is copied for len2 bytes.
If nothing is specified for p2, it is NULL.
- len2
-
The length, in bytes, of the second part to be copied into the new buffer.
If nothing is specified for len2, it defaults to 0 bytes.
- p3
-
The pointer to the third part, immediately following the second part, to be copied
into the data area of the new buffer.
The third part is len3 bytes long.
If the pointer is NULL, the padChar is copied for len3 bytes.
If nothing is specified for p3, it is NULL.
- len3
-
The length, in bytes, of the third part to be copied into the new buffer.
If nothing is specified for len3, it defaults to 0 bytes.
- padChar
-
The character to use as the
pad
in the cases of p1, p2, or p3 being NULL.
If you do not specify a padChar, it defaults to the character 0.
Note:
If the sum of len1, len2, and len3 is 0,
a reference to the NULL buffer for this class is added and the address is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- overflow
public:
static unsigned overflow()
- Throws an exception when
IBuffer::checkAddition or
IBuffer::checkMultiplication
detects an overflow.
- Exception
IInvalidRequest
| You made an IBuffer request causing an overflow. Typically, this occurs during object
construction or during an operation that grows an underlying IBuffer object. Likely
culprits might be an IBuffer::newBuffer or IString::change call.
|
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- setDefaultBuffer
public:
static void setDefaultBuffer(IBuffer* newDefaultBuffer)
- Sets the default (NULL) buffer. The specified buffer must be comprised of a single NULL byte.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Search Initialization
These members help implement this class.
- startBackwardsSearch
protected:
virtual unsigned
startBackwardsSearch( unsigned startPos,
unsigned searchLen ) const
- Initializes a search of type IString::lastIndexOf
using the following criteria:
-
If searchLen is greater than the length of the buffer, 0 is
returned indicating an invalid search request.
-
If the starting position is 0 or beyond the last
searchLen bytes of the buffer,
the position where the last searchLen bytes
start in the buffer is returned.
-
If the starting position is 1 through the last
searchLen bytes, the value of startingPos is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- startSearch
protected:
virtual unsigned
startSearch( unsigned startPos,
unsigned searchLen ) const
- Initializes a search of type IString::indexOf
using the following criteria:
- If startPos is 0, the search uses a starting position of 1.
- If the specified startPos and searchLen result in an
invalid search, 0 is returned.
This usually occurs when the sum of startPos and searchLen
is greater than the size of the buffer.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Searches
These members are called by the corresponding IString
members to search the buffer's contents.
- indexOf
- Returns the byte index of the first occurrence of the specified string within the receiver.
If there are no occurrences, 0 is returned.
Overload 1
public:
virtual unsigned
indexOf( const char* pString,
unsigned len,
unsigned startPos = 1 ) const
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Overload 2
public:
virtual unsigned
indexOf( const IStringTest& aTest,
unsigned startPos = 1 ) const
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- indexOfAnyBut
- Returns the index of the first character of the receiver that is not in the specified set of characters.
If there are no characters, 0 is returned. Alternatively, this function returns the index of the first character that fails the
test prescribed by a specified IStringTest object.
Overload 1
public:
virtual unsigned
indexOfAnyBut( const char* pString,
unsigned len,
unsigned startPos = 1 ) const
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Overload 2
public:
virtual unsigned
indexOfAnyBut( const IStringTest& aTest,
unsigned startPos = 1 ) const
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- indexOfAnyOf
- Returns the index of the first character of the receiver that is a character in the specified set of characters.
If there are no characters, 0 is returned. Alternatively, this function returns the index of the first character that passes the
test prescribed by a specified IStringTest object.
Overload 1
public:
virtual unsigned
indexOfAnyOf( const char* pString,
unsigned len,
unsigned startPos = 1 ) const
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Overload 2
public:
virtual unsigned
indexOfAnyOf( const IStringTest& aTest,
unsigned startPos = 1 ) const
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- lastIndexOf
- Returns the index of the last occurrence of the specified string or character. The search starts at the position specified by startPos
(inclusive) and proceeds backward. The returned value is in the range 0 <= x <= startPos. The default of 0 starts the search at
the end of the receiver's string. If the search target is not found, 0 is returned.
If you specify 0 for startPos, this function returns 0 indicating the search target was not found.
Overload 1
public:
virtual unsigned
lastIndexOf( const IStringTest& aTest,
unsigned startPos = 0 ) const
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Overload 2
public:
virtual unsigned
lastIndexOf( const char* pString,
unsigned len,
unsigned startPos = 0 ) const
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- lastIndexOfAnyBut
- Returns the index of the last character not in the specified string or character. The search starts at the position specified by startPos
(inclusive) and proceeds backward. The default of 0 starts the search at the end of the receiver's string. If the search target is not found,
0 is returned.
If you specify 0 for startPos, this function returns 0 indicating the search target was not found.
Overload 1
public:
virtual unsigned
lastIndexOfAnyBut( const IStringTest& aTest,
unsigned startPos = 0 ) const
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Overload 2
public:
virtual unsigned
lastIndexOfAnyBut( const char* pString,
unsigned len,
unsigned startPos = 0 ) const
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- lastIndexOfAnyOf
- Returns the index of the last character in the specified string or character. The search starts at the position specified by startPos
(inclusive) and proceeds backward. The default of 0 starts the search at the end of the receiver's string. If the search target is not found,
0 is returned.
If you specify 0 for startPos, this function returns 0 indicating the search target was not found.
Overload 1
public:
virtual unsigned
lastIndexOfAnyOf( const IStringTest& aTest,
unsigned startPos = 0 ) const
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Overload 2
public:
virtual unsigned
lastIndexOfAnyOf( const char* pString,
unsigned len,
unsigned startPos = 0 ) const
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Subset
Use this member when a subset of characters is required.
- subString
- Returns a new IBuffer, of the same type as the previous one, containing the specified subset of characters.
The parameters are the following:
- startPos
-
The index at which to start the substring.
If startPos is 0, the function uses position 1.
If startPos is beyond the end of the buffer, nothing is copied.
The buffer is filled out by the specified
padding
character.
- len
- The length to copy from the buffer.
If the length extends beyond the end of the buffer, only the portion up to the
end is copied.
The buffer is then padded.
If len is 0, a reference to the NULL buffer is returned.
- padCharacter
- Specifies the character the function uses to pad the copied string
if less than len bytes have been copied from the source buffer.
Overload 1
public:
virtual IBuffer* subString(unsigned startPos) const
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Overload 2
public:
virtual IBuffer*
subString( unsigned startPos,
unsigned len,
char padCharacter ) const
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
Testing
Corresponding IString members use these members to test the buffer's contents.
- isAlphabetic
public:
virtual bool isAlphabetic() const
- If all the characters are in {'A'-'Z','a'-'z'}, true is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- isAlphanumeric
public:
virtual bool isAlphanumeric() const
- If all the characters are in {'A'-'Z','a'-'z','0'-'9'}, true is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- isASCII
public:
virtual bool isASCII() const
- If all the characters are in {0x00-0x7F}, true is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- isControl
public:
virtual bool isControl() const
Control characters are defined by the iscntrl() C Library function as defined in the cntrl locale source file and in the cntrl class of the
LC_CTYPE category of the current locale. For example, on ASCII operating systems, control characters are those in the range
{0x00-0x1F,0x7F}.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- isDigits
public:
virtual bool isDigits() const
- If all the characters are in {'0'-'9'}, true is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- isGraphics
public:
virtual bool isGraphics() const
- Returns true if all the characters are graphics characters.
Graphics characters are printable characters excluding the space character, as defined by the isgraph() C Library function in the
graph locale source file and in the graph class of the LC_CTYPE category of the current locale. For example, on ASCII operating
systems, graphics characters are those in the range {0x21-0x7E}.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- isHexDigits
public:
virtual bool isHexDigits() const
- If all the characters are in {'0'-'9','A'-'F','a'-'f'}, true is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- isLowerCase
public:
virtual bool isLowerCase() const
- If all the characters are in {'a'-'z'}, true is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- isPrintable
public:
virtual bool isPrintable() const
- Returns true if all the characters are printable characters.
Printable characters are defined by the isprint() C Library function as defined in the print locale source file and in
the print class of the LC_CTYPE category of the current locale. For example, on ASCII systems, printable characters are those in
the range {0x20-0x7E}.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- isPunctuation
public:
virtual bool isPunctuation() const
- If none of the characters is white space,
a control character, or an alphanumeric character, true is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- isUpperCase
public:
virtual bool isUpperCase() const
- If all the characters are in {'A'-'Z'}, true is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- isWhiteSpace
public:
virtual bool isWhiteSpace() const
- Returns true if all the characters are white-space characters.
White-space characters are defined by the isspace() C Library function as defined in the
space locale source file and in the space class of the LC_CTYPE category of
the current locale. For example, on ASCII systems, white-space characters are those in
the range {0x09-0x0D,0x20}.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
- isDBCSLead
protected:
static bool isDBCSLead(char inByte)
- If the input character is the first byte of a DBCS character, true is returned.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
No |
- Comparison
typedef enum { equal , greaterThan , lessThan } Comparison
These enumerators specify the possible valid return codes from
IBuffer::compare.
- equal
- The buffer's contents are equal to the contents of the specified
character array.
- greaterThan
- The buffer's contents are greater than the contents of the specified
character array.
- lessThan
- The buffer's contents are less than the contents of the specified
character array.
- Supported Platforms
Windows |
OS/2 |
AIX |
Yes |
Yes |
Yes |
IBuffer - Inherited Member Functions and Data
Inherited Public Functions
- IMRefCounted
-
Inherited Public Data
Inherited Protected Functions
- IMRefCounted
-
Inherited Protected Data