version 1.10, 2001/03/29 16:40:31
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version 1.69, 2002/09/20 19:57:09
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//BEGIN_LICENSE |
//%///////////////////////////////////////////////////////////////////////////// |
// | // |
// Copyright (c) 2000 The Open Group, BMC Software, Tivoli Systems, IBM |
// Copyright (c) 2000, 2001, 2002 BMC Software, Hewlett-Packard Company, IBM, |
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// The Open Group, Tivoli Systems |
// | // |
// Permission is hereby granted, free of charge, to any person obtaining a |
// Permission is hereby granted, free of charge, to any person obtaining a copy |
// copy of this software and associated documentation files (the "Software"), |
// of this software and associated documentation files (the "Software"), to |
// to deal in the Software without restriction, including without limitation |
// deal in the Software without restriction, including without limitation the |
// the rights to use, copy, modify, merge, publish, distribute, sublicense, |
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
// and/or sell copies of the Software, and to permit persons to whom the |
// sell copies of the Software, and to permit persons to whom the Software is |
// Software is furnished to do so, subject to the following conditions: |
// furnished to do so, subject to the following conditions: |
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// |
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// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN |
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// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED |
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// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT |
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// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR |
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
// | // |
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
//============================================================================== |
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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// DEALINGS IN THE SOFTWARE. |
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// | // |
//END_LICENSE |
// Author: Mike Brasher (mbrasher@bmc.com) |
//BEGIN_HISTORY |
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// | // |
// Author: |
// Modified By: Karl Schopmeyer(k.schopmeyer@opengroup.org) |
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// Roger Kumpf, Hewlett-Packard Company (roger_kumpf@hp.com) |
// | // |
// $Log$ |
//%///////////////////////////////////////////////////////////////////////////// |
// Revision 1.10 2001/03/29 16:40:31 karl |
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// add doc |
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// |
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// Revision 1.9 2001/02/26 04:33:28 mike |
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// Fixed many places where cim names were be compared with operator==(String,String). |
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// Changed all of these to use CIMName::equal() |
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// |
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// Revision 1.8 2001/02/20 14:05:24 karl |
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// Comments for Document |
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// |
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// Revision 1.7 2001/02/11 17:19:30 mike |
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// added reverseFind() method |
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// |
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// Revision 1.6 2001/02/11 05:42:33 mike |
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// new |
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// |
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// Revision 1.5 2001/01/30 08:00:43 karl |
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// DOC++ Documentation update for header files |
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// |
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// Revision 1.4 2001/01/28 07:05:18 mike |
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// added instance name/reference converters |
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// |
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// Revision 1.3 2001/01/28 04:11:03 mike |
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// fixed qualifier resolution |
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// |
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// Revision 1.2 2001/01/24 16:16:38 karl |
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// Incorporate Doc++ Comments as documentation into .h files |
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// |
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// Revision 1.1.1.1 2001/01/14 19:53:15 mike |
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// Pegasus import |
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// |
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// |
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//END_HISTORY |
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#ifndef Pegasus_String_h | #ifndef Pegasus_String_h |
#define Pegasus_String_h | #define Pegasus_String_h |
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#include <iostream> | #include <iostream> |
#include <cstring> |
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#include <Pegasus/Common/Config.h> | #include <Pegasus/Common/Config.h> |
#include <Pegasus/Common/Char16.h> | #include <Pegasus/Common/Char16.h> |
#include <Pegasus/Common/Array.h> |
#include <Pegasus/Common/Linkage.h> |
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PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
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class String; |
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class StringRep; |
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/** The CString class provides access to an 8-bit String representation. |
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*/ |
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class PEGASUS_COMMON_LINKAGE CString |
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{ |
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public: |
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CString(); |
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CString(const CString& cstr); |
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~CString(); |
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CString& operator=(const CString& cstr); |
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operator const char*() const; |
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private: |
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CString(char* cstr); |
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friend class String; |
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void* _rep; |
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}; |
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/** | /** |
The Pegasus String C++ Class implements the CIM string type |
The Pegasus String C++ Class implements the CIM string type. |
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This class is based on the general handle/representation pattern |
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defined for all the Pegasus objects. However, it differes from |
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most in that it implements "copy on assign" all of the others implement |
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"no copy on assign" semantics. The string class uses the Array class and |
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implements an array of characters. |
*/ | */ |
class PEGASUS_COMMON_LINKAGE String | class PEGASUS_COMMON_LINKAGE String |
{ | { |
public: | public: |
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/// Default constructor. |
/** EMPTY - Represent an empty string. |
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This member is used to represent empty strings. Using this member |
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avoids an expensive construction of an empty string (e.g., String()). |
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*/ |
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static const String EMPTY; |
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/** Default constructor without parameters. This constructor creates a |
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null string |
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<pre> |
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String test; |
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</pre> |
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*/ |
String(); | String(); |
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/// Copy constructor. | /// Copy constructor. |
String(const String& x); |
String(const String& str); |
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/// Initialize with first n characters from x. |
/// Initialize with first n characters from str. |
String(const String& x, Uint32 n); |
String(const String& str, Uint32 n); |
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/// Initialize with x. |
/// Initialize with str. |
String(const Char16* x); |
String(const Char16* str); |
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/// Initialize with first n characters of x. |
/// Initialize with first n characters of str. |
String(const Char16* x, Uint32 n); |
String(const Char16* str, Uint32 n); |
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/// Initialize from a plain old C-String: | /// Initialize from a plain old C-String: |
String(const char* x); |
String(const char* str); |
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/// Initialize from the first n characters of a plain old C-String: | /// Initialize from the first n characters of a plain old C-String: |
String(const char* x, Uint32 n); |
String(const char* str, Uint32 n); |
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/// Release all resources. |
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~String() |
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{ |
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} |
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/// Assign this string with x. |
/// String destructor. Used by the representation of the String object |
String& operator=(const String& x) { _rep = x._rep; return *this; } |
~String(); |
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/// Assign this string with x. |
/** Assign this string with str. |
String& operator=(const Char16* x) { assign(x); return *this; } |
<pre> |
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String t1 = "abc"; |
/// Assign this string with x. |
String t2 = t1; |
String& assign(const String& x) { _rep = x._rep; return *this; } |
</pre> |
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*/ |
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String& operator=(const String& str); |
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/// Assign this string with x. |
/** Assign this string with String str |
String& assign(const Char16* x); |
@param str String to assign |
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@return Returns the String |
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*/ |
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String& assign(const String& str); |
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/// Assign this string with first n characters of x. |
/// Assign this string with str. |
String& assign(const Char16* x, Uint32 n); |
String& assign(const Char16* str); |
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/// Assign this string with the plain old C-String x. |
/// Assign this string with first n characters of str. |
String& assign(const char* x); |
String& assign(const Char16* str, Uint32 n); |
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/// Assign this string with first n characters of the plain old C-String x. |
/// Assign this string with the plain old C-String str. |
String& assign(const char* x, Uint32 n); |
String& assign(const char* str); |
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/// Clear this string. After calling clear(), getLength() will return 0. |
/// Assign this string with first n characters of the plain old C-String str. |
void clear() { _rep.clear(); _rep.append('\0'); } |
String& assign(const char* str, Uint32 n); |
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/** Reserves memory for capacity characters. Notice that this does not |
/** clear - Clear this string. After calling clear(), size() will return 0. |
change the size of the string (getSize() returns what it did before). |
<pre> |
If the capacity of the string is already greater or equal to the |
String test = "abc"; |
capacity argument, this method has no effect. After calling reserve(), |
test.clear(); // String test is now NULL (length == 0) |
getCapicty() returns a value which is greater or equal to the |
</pre> |
capacity argument. |
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*/ | */ |
void reserve(Uint32 capacity) { _rep.reserve(capacity + 1); } |
void clear(); |
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/// Returns the length of the string. |
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Uint32 getLength() const { return _rep.getSize() - 1; } |
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/// Returns a pointer to the first character in the string string. |
/** reserveCapacity - Reserves memory for capacity characters. Notice |
const Char16* getData() const { return _rep.getData(); } |
that this does not change the size of the string (size() returns |
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what it did before). If the capacity of the string is already |
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greater or equal to the capacity argument, this method has no |
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effect. The capacity of a String object has no bearing on its |
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external behavior. The capacity of a String is set only for |
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performance reasons. |
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@param capacity defines the capacity in characters to reserve. |
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*/ |
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void reserveCapacity(Uint32 capacity); |
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/** Allocates an 8 bit representation of this string. The user is |
/** Returns the length of the String object. |
responsible for freeing the result. If any characters are truncated, |
@return Length of the string in characters. |
a TruncatedCharacter exception is thrown. This exception may |
<pre> |
be suppressed by passing true as the noThrow argument. Extra |
String s = "abcd"; |
characters may be allocated at the end of the new string by |
assert(s.size() == 4); |
passing a non-zero value to the extraBytes argument. |
</pre> |
*/ | */ |
char* allocateCString(Uint32 extraBytes = 0, Boolean noThrow = false) const; |
Uint32 size() const; |
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/** Append the given string to a C-string. If the length is not Uint32(-1), |
/** getChar16Data Returns a pointer to the first character in the |
then the lesser of the the length argument and the length of this |
null-terminated Char16 buffer of the String object. |
string is truncated. Otherwise, the entire string is trunctated. The |
@return Pointer to the first character of the String object |
TruncatedCharacter exception is thrown if any characters are truncated. |
<pre> |
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String t1 = "abc"; |
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const Char16* q = t1.getChar16Data(); |
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</pre> |
*/ | */ |
void appendToCString( |
const Char16* getChar16Data() const; |
char* str, |
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Uint32 length = Uint32(-1), |
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Boolean noThrow = false) const; |
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/// Returns the Ith character of the string. |
/** getCString - Create an 8-bit representation of this String object. |
Char16& operator[](Uint32 i); |
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/// Returns the Ith character of the string (const version). |
@param truncatedCharacters Output parameter specifying whether any |
const Char16 operator[](Uint32 i) const; |
characters were truncated in the conversion. |
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/// Append the given character to the string. |
@return CString object that provides access to the 8-bit String |
String& append(const Char16& c) |
representation |
{ |
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_rep.insert(_rep.getSize() - 1, c); |
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return *this; |
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} |
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/// Append n characters from str to this string. |
<pre> |
String& append(const Char16* str, Uint32 n); |
String test = "abc"; |
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printf("test = %s\n", (const char*)test.getCString()); |
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</pre> |
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*/ |
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CString getCString() const; |
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/// Append the characters of str to this string. |
/** Returns the specified character of the String object. |
String& append(const String& str) |
@param index Index of the character to access |
{ |
@exception IndexOutOfBoundsException if the index |
return append(str.getData(), str.getLength()); |
is outside the bounds of the String. |
} |
<pre> |
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String t1 = "abc; |
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Char16 c = t1[1]; // character b |
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</pre> |
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*/ |
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Char16& operator[](Uint32 index); |
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/// Append the characters of str to this string. |
/** Returns the specified character of the String object (const version). |
String& operator+=(const String& x) |
@param index Index of the character to access |
{ |
@exception IndexOutOfBoundsException if the index |
return append(x); |
is outside the bounds of the String. |
} |
*/ |
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const Char16 operator[](Uint32 index) const; |
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/// Append the character given by c to this string. |
/** Append the given character to this String. |
String& operator+=(Char16 c) |
@param c Character to append. |
{ |
@return This String |
return append(c); |
<pre> |
} |
String t1 = "abc"; |
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t1 += Char16('d') |
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assert(t1 == "abcd"); |
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</pre> |
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*/ |
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String& append(const Char16& c); |
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/// Append the character given by c to this string. |
/// Append n characters from str to this String. |
String& operator+=(char c) |
String& append(const Char16* str, Uint32 n); |
{ |
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return append(Char16(c)); |
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} |
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/** Remove size characters from the string starting at the given |
/** Append the given String to this String. |
position. If size is -1, then all characters after pos are removed. |
@param str String to append. |
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@return This String |
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<pre> |
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String test = "abc"; |
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test.append("def"); |
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assert(test == "abcdef"); |
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</pre> |
*/ | */ |
void remove(Uint32 pos, Uint32 size = Uint32(-1)); |
String& append(const String& str); |
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/** Return a new string which is initialzed with <TT>length</TT> |
/** Remove size characters from the string starting at the given |
characters from this string starting at <TT>pos</TT>. |
index. If size is PEG_NOT_FOUND, then all characters after index are |
@param <TT>pos</TT> is the positon in string to start getting the |
removed. |
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@param index Position in string to start remove |
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@param size Number of characters to remove. Default is PEG_NOT_FOUND |
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which causes all characters after index to be removed |
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<pre> |
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String s; |
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s = "abc"; |
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s.remove(0, 1); |
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assert(String::equal(s, "bc")); |
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assert(s.size() == 2); |
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s.remove(0); |
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assert(String::equal(s, "")); |
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assert(s.size() == 0); |
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</pre> |
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@exception IndexOutOfBoundsException if size is greater than |
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length of String plus starting index for remove. |
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*/ |
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void remove(Uint32 index, Uint32 size = PEG_NOT_FOUND); |
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/** Return a new String which is initialzed with <TT>length</TT> |
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characters from this string starting at <TT>index</TT>. |
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@param <TT>index</TT> is the index in string to start getting the |
substring. | substring. |
@param <TT>length</TT> is the number of characters to get. If length | @param <TT>length</TT> is the number of characters to get. If length |
is -1, then all characters after pos are added to the new string. |
is PEG_NOT_FOUND, then all characters after index are added to the new |
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string. |
@return String with the defined substring. | @return String with the defined substring. |
*/ |
<pre> |
String subString(Uint32 pos, Uint32 length = Uint32(-1)) const; |
s = "abcdefg"; |
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s.remove(3); |
/** Find the position of the first occurence of the character c. |
assert(String::equal(s, "abc")); |
If the character is not found, -1 is returned. |
</pre> |
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*/ |
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String subString(Uint32 index, Uint32 length = PEG_NOT_FOUND) const; |
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/** Find the index of the first occurence of the character c. |
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If the character is not found, PEG_NOT_FOUND is returned. |
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@param c Char to be found in the String |
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@return Position of the character in the string or PEG_NOT_FOUND if not |
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found. |
*/ | */ |
Uint32 find(Char16 c) const; | Uint32 find(Char16 c) const; |
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/** Same as find() but start looking in reverse (last character first). |
/** Same as above but starts searching from the given index. */ |
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Uint32 find(Uint32 index, Char16 c) const; |
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/** Find the index of the first occurence of the string object. |
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This function finds one string inside another |
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If the matching substring is not found, PEG_NOT_FOUND is returned. |
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@param s String object to be found in the String |
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@return Position of the substring in the String or PEG_NOT_FOUND if not |
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found. |
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*/ |
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Uint32 find(const String& s) const; |
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/** reverseFind - Same as find() but start looking in reverse (last |
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character first). |
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@param c Char16 character to find in String. |
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@Seealso find |
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@return Position of the character in the string or PEG_NOT_FOUND if not |
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found. |
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NOTE: This function is defined only for char* input, not for |
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String. |
*/ | */ |
Uint32 reverseFind(Char16 c) const; | Uint32 reverseFind(Char16 c) const; |
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/** Compare the first n characters of the two strings. Return -1 if s1 |
/** Converts all characters in this string to lower case. |
is lexographically less than s2. If they are equavalent return 0. |
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Otherwise return 1. |
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*/ | */ |
static int compare(const Char16* s1, const Char16* s2, Uint32 n); |
void toLower(); |
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/** Compare the two null-terminated strings. If s1 is less than s2, |
/** Compare the first n characters of the two strings.. |
return -1; if equal return 0; otherwise, return 1. |
@param s1 First null-terminated string for the comparison. |
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@param s2 Second null-terminated string for the comparison. |
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@param n Number of characters to compare. |
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@return Return -1 if s1 is lexographically less than s2. If they are |
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equavalent return 0. Otherwise return 1. |
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*/ |
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static int compare(const String& s1, const String& s2, Uint32 n); |
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/** Compare two null-terminated strings. |
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@param s1 First null-terminated string for the comparison. |
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@param s2 Second null-terminated string for the comparison. |
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@return If s1 is less than s2, return -1; if equal return 0; |
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otherwise, return 1. |
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NOTE: Use the comparison operators <,<= > >= to compare |
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String objects. |
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*/ |
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static int compare(const String& s1, const String& s2); |
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/** Just like one above except ignores case differences. |
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*/ |
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static int compareNoCase(const String& s1, const String& s2); |
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/** Compare two String objects for equality. |
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@param s1 First <TT>String</TT> for comparison. |
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@param s2 Second <TT>String</TT> for comparison. |
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@return Boolean true if the two strings are equal. |
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<pre> |
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String s1 = "Hello World"; |
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String s2 = s1; |
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String s3(s2); |
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assert(String::equal(s1, s3)); |
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</pre> |
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*/ |
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static Boolean equal(const String& str1, const String& str2); |
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/** equalNoCase - Compares two strings and returuns true if they |
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are equal indpedent of case of the characters. |
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@param str1 First String parameter |
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@param str2 Second String parameter |
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@return true if strings are equal independent of case. |
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*/ |
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static Boolean equalNoCase(const String& str1, const String& str2); |
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/** match matches a string against a GLOB style pattern. |
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Return trues if the String parameter matches the pattern. C-Shell style |
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glob matching is used. |
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@param str String to be matched against the pattern |
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@param pattern Pattern to use in the match |
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@return Boolean true if str matches pattern |
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The pattern definition is as follows: |
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<pre> |
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* Matches any number of any characters |
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? Match exactly one character |
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[chars] Match any character in chars |
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[chara-charb] Match any character in the range between chara and charb |
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</pre> |
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The literal characters *, ?, [, ] can be included in a string by |
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escaping them with backslash "\". Ranges of characters can be concatenated. |
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<pre> |
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examples: |
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Boolean result = String::match("This is a test", "*is*"); |
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Boolean works = String::match("abcdef123", "*[0-9]"); |
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</pre> |
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*/ |
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static Boolean match(const String& str, const String& pattern); |
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/** matchNoCase Matches a String against a GLOB style pattern independent |
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of case. |
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Returns true if the str parameter matches the pattern. C-Shell style |
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glob matching is used. Ignore case in all comparisons. Case is |
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ignored in the match. |
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@parm str String containing the string to be matched\ |
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@parm pattern GLOB style patterh to use in the match. |
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@return Boolean true if str matches patterh |
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@SeeAlso match |
*/ | */ |
static int compare(const Char16* s1, const Char16* s2); |
static Boolean matchNoCase(const String& str, const String& pattern); |
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/// Return true if the two strins are equal. |
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static Boolean equal(const String& x, const String& y); |
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/// Return true if the two strins are equal. |
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static Boolean equal(const String& x, const Char16* y); |
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/// Return true if the two strins are equal. |
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static Boolean equal(const Char16* x, const String& y); |
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/// Return true if the two strins are equal. |
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static Boolean equal(const String& x, const char* y); |
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/// Return true if the two strins are equal. |
private: |
static Boolean equal(const char* x, const String& y); |
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/// Convert the plain old C-string to lower case: |
StringRep* _rep; |
static void toLower(char* str); |
}; |
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/** EMPTY - Represent an empty string. |
/** String operator ==. Test for equality between two strings of any of the |
This member is used to represent empty strings. Using this member |
types String or char*. |
avoids an expensive construction of an empty string (e.g., String()). |
@return Boolean - True if the strings are equal |
*/ | */ |
static const String EMPTY; |
PEGASUS_COMMON_LINKAGE Boolean operator==( |
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const String& str1, |
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const String& str2); |
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private: |
/** String operator ==. Test for equality between two strings |
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static Uint32 _min(Uint32 x, Uint32 y) { return x < y ? x : y; } |
*/ |
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PEGASUS_COMMON_LINKAGE Boolean operator==(const String& str1, const char* str2); |
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Array<Char16> _rep; |
/** String operator ==. Test for equality between two strings |
}; |
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inline Boolean operator==(const String& x, const String& y) |
*/ |
{ |
PEGASUS_COMMON_LINKAGE Boolean operator==(const char* str1, const String& str2); |
return String::equal(x, y); |
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} |
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inline Boolean operator==(const String& x, const char* y) |
/** String operator ==. Test for equality between two strings |
{ |
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return String::equal(x, y); |
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} |
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inline Boolean operator==(const char* x, const String& y) |
*/ |
{ |
PEGASUS_COMMON_LINKAGE Boolean operator!=( |
return String::equal(x, y); |
const String& str1, |
} |
const String& str2); |
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inline Boolean operator!=(const String& x, const String& y) |
PEGASUS_COMMON_LINKAGE PEGASUS_STD(ostream)& operator<<( |
{ |
PEGASUS_STD(ostream)& os, |
return !String::equal(x, y); |
const String& str); |
} |
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PEGASUS_COMMON_LINKAGE std::ostream& operator<<( |
/** overload operator + - Concatenates String objects. |
std::ostream& os, |
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const String& x); |
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inline String operator+(const String& x, const String& y) |
<pre> |
{ |
String t1 = "abc"; |
return String(x).append(y); |
String t2; |
} |
t2 = t1 + "def" |
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assert(t2 == "abcdef"); |
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</pre> |
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*/ |
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PEGASUS_COMMON_LINKAGE String operator+(const String& str1, const String& str2); |
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inline Boolean operator<(const String& x, const String& y) |
/** overload operator < - Compares String obects. |
{ |
<pre> |
return String::compare(x.getData(), y.getData()) < 0; |
String t1 = "def"; |
} |
String t2 = "a"; |
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assert (t2 < t1); |
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</pre> |
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*/ |
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PEGASUS_COMMON_LINKAGE Boolean operator<( |
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const String& str1, |
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const String& str2); |
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inline Boolean operator<=(const String& x, const String& y) |
/** overload operator <= compares String objects. |
{ |
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return String::compare(x.getData(), y.getData()) <= 0; |
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} |
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inline Boolean operator>(const String& x, const String& y) |
*/ |
{ |
PEGASUS_COMMON_LINKAGE Boolean operator<=( |
return String::compare(x.getData(), y.getData()) > 0; |
const String& str1, |
} |
const String& str2); |
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inline Boolean operator>=(const String& x, const String& y) |
/** Overload operator > compares String objects |
{ |
*/ |
return String::compare(x.getData(), y.getData()) >= 0; |
PEGASUS_COMMON_LINKAGE Boolean operator>( |
} |
const String& str1, |
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const String& str2); |
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/** Return a version of this string whose characters have been shifted |
/** overload operator >= - Compares String objects |
to lower case. |
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*/ | */ |
PEGASUS_COMMON_LINKAGE String ToLower(const String& str); |
PEGASUS_COMMON_LINKAGE Boolean operator>=( |
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const String& str1, |
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const String& str2); |
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#ifndef PEGASUS_REMOVE_DEPRECATED |
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/** Compare two strings but ignore any case differences. |
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*/ |
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PEGASUS_COMMON_LINKAGE int CompareNoCase(const char* s1, const char* s2); |
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#endif |
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PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |
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#endif /* Pegasus_String_h */ | #endif /* Pegasus_String_h */ |
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