зеркало из https://github.com/mozilla/gecko-dev.git
244 строки
10 KiB
C++
244 строки
10 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.0 (the "NPL"); you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
|
|
/**
|
|
* MODULE NOTES:
|
|
* LAST MODS: gess 28Feb98
|
|
*
|
|
* This very simple string class that knows how to do
|
|
* efficient (dynamic) resizing. It offers almost no
|
|
* i18n support, and will undoubtedly have to be replaced.
|
|
*
|
|
*/
|
|
|
|
#ifndef _NSSTRING
|
|
#define _NSSTRING
|
|
|
|
|
|
#include "prtypes.h"
|
|
#include "nscore.h"
|
|
#include "nsIAtom.h"
|
|
#include <iostream.h>
|
|
#include <stdio.h>
|
|
class nsISizeOfHandler;
|
|
|
|
class NS_BASE nsString {
|
|
public:
|
|
|
|
nsString();
|
|
nsString(const char* anISOLatin1);
|
|
nsString(const nsString&);
|
|
nsString(const PRUnichar* aUnicode);
|
|
|
|
public:
|
|
virtual ~nsString();
|
|
|
|
PRInt32 Length() const { return mLength; }
|
|
|
|
void SetLength(PRInt32 aLength);
|
|
void Truncate(PRInt32 anIndex=0);
|
|
virtual void EnsureCapacityFor(PRInt32 aNewLength);
|
|
|
|
virtual void SizeOf(nsISizeOfHandler* aHandler) const;
|
|
|
|
///accessor methods
|
|
//@{
|
|
const PRUnichar* GetUnicode(void) const;
|
|
operator PRUnichar*() const;
|
|
|
|
PRUnichar operator()(PRInt32 i) const;
|
|
PRUnichar& operator[](PRInt32 i) const;
|
|
PRUnichar& CharAt(PRInt32 anIndex) const;
|
|
PRUnichar& First() const;
|
|
PRUnichar& Last() const;
|
|
|
|
//string creation methods...
|
|
nsString operator+(const nsString& aString);
|
|
nsString operator+(const char* anISOLatin1);
|
|
nsString operator+(char aChar);
|
|
nsString operator+(const PRUnichar* aBuffer);
|
|
nsString operator+(PRUnichar aChar);
|
|
|
|
void ToLowerCase();
|
|
void ToLowerCase(nsString& aString) const;
|
|
void ToUpperCase();
|
|
void ToUpperCase(nsString& aString) const;
|
|
|
|
nsString* ToNewString() const;
|
|
char* ToNewCString() const;
|
|
|
|
char* ToCString(char* aBuf,PRInt32 aBufLength) const;
|
|
void Copy(nsString& aString) const;
|
|
|
|
PRUnichar* ToNewUnicode() const;
|
|
float ToFloat(PRInt32* aErrorCode) const;
|
|
PRInt32 ToInteger(PRInt32* aErrorCode) const;
|
|
//@}
|
|
|
|
///string manipulation methods...
|
|
//@{
|
|
|
|
nsString& SetString(const PRUnichar* aStr,PRInt32 aLength=-1);
|
|
nsString& SetString(const char* anISOLatin1,PRInt32 aLength=-1);
|
|
|
|
nsString& operator=(const nsString& aString);
|
|
nsString& operator=(const char* anISOLatin1);
|
|
nsString& operator=(char aChar);
|
|
nsString& operator=(const PRUnichar* aBuffer);
|
|
nsString& operator=(PRUnichar aChar);
|
|
nsString& operator+=(const nsString& aString);
|
|
nsString& operator+=(const char* anISOLatin1);
|
|
nsString& operator+=(const PRUnichar* aBuffer);
|
|
nsString& operator+=(PRUnichar aChar);
|
|
|
|
nsString& Append(const nsString& aString,PRInt32 aLength=-1);
|
|
nsString& Append(const char* anISOLatin1,PRInt32 aLength=-1);
|
|
nsString& Append(char aChar);
|
|
nsString& Append(const PRUnichar* aBuffer,PRInt32 aLength=-1);
|
|
nsString& Append(PRUnichar aChar);
|
|
nsString& Append(PRInt32 aInteger,PRInt32 aRadix); //radix=8,10 or 16
|
|
nsString& Append(float aFloat);
|
|
|
|
PRInt32 Left(nsString& aCopy,PRInt32 aCount);
|
|
PRInt32 Mid(nsString& aCopy,PRInt32 anOffset,PRInt32 aCount);
|
|
PRInt32 Right(nsString& aCopy,PRInt32 aCount);
|
|
PRInt32 Insert(nsString& aCopy,PRInt32 anOffset,PRInt32 aCount=-1);
|
|
PRInt32 Insert(PRUnichar aChar,PRInt32 anOffset);
|
|
|
|
nsString& Cut(PRInt32 anOffset,PRInt32 aCount);
|
|
nsString& StripChars(const char* aSet);
|
|
nsString& StripWhitespace();
|
|
nsString& Trim( const char* aSet,
|
|
PRBool aEliminateLeading=PR_TRUE,
|
|
PRBool aEliminateTrailing=PR_TRUE);
|
|
nsString& CompressWhitespace( PRBool aEliminateLeading=PR_TRUE,
|
|
PRBool aEliminateTrailing=PR_TRUE);
|
|
static PRBool IsSpace(PRUnichar ch);
|
|
static PRBool IsAlpha(PRUnichar ch);
|
|
static PRBool IsDigit(PRUnichar ch);
|
|
|
|
//@}
|
|
|
|
///searching methods...
|
|
//@{
|
|
PRInt32 Find(const char* anISOLatin1) const;
|
|
PRInt32 Find(const PRUnichar* aString) const;
|
|
PRInt32 Find(PRUnichar aChar,PRInt32 offset=0) const;
|
|
PRInt32 Find(const nsString& aString) const;
|
|
PRInt32 FindFirstCharInSet(const char* anISOLatin1Set,PRInt32 offset=0) const;
|
|
PRInt32 FindFirstCharInSet(nsString& aString,PRInt32 offset=0) const;
|
|
PRInt32 FindLastCharInSet(const char* anISOLatin1Set,PRInt32 offset=0) const;
|
|
PRInt32 FindLastCharInSet(nsString& aString,PRInt32 offset=0) const;
|
|
PRInt32 RFind(const char* anISOLatin1,PRBool aIgnoreCase=PR_FALSE) const;
|
|
PRInt32 RFind(const PRUnichar* aString,PRBool aIgnoreCase=PR_FALSE) const;
|
|
PRInt32 RFind(const nsString& aString,PRBool aIgnoreCase=PR_FALSE) const;
|
|
PRInt32 RFind(PRUnichar aChar,PRBool aIgnoreCase=PR_FALSE) const;
|
|
//@}
|
|
|
|
///comparision methods...
|
|
//@{
|
|
virtual PRInt32 Compare(const nsString &S,PRBool aIgnoreCase=PR_FALSE) const;
|
|
virtual PRInt32 Compare(const char *anISOLatin1,PRBool aIgnoreCase=PR_FALSE,PRInt32 aLength=-1) const;
|
|
virtual PRInt32 Compare(const PRUnichar *aString,PRBool aIgnoreCase=PR_FALSE,PRInt32 aLength=-1) const;
|
|
|
|
PRBool operator==(const nsString &S) const;
|
|
PRBool operator==(const char *anISOLatin1) const;
|
|
PRBool operator==(const PRUnichar* aString) const;
|
|
PRBool operator!=(const nsString &S) const;
|
|
PRBool operator!=(const char *anISOLatin1) const;
|
|
PRBool operator!=(const PRUnichar* aString) const;
|
|
PRBool operator<(const nsString &S) const;
|
|
PRBool operator<(const char *anISOLatin1) const;
|
|
PRBool operator<(const PRUnichar* aString) const;
|
|
PRBool operator>(const nsString &S) const;
|
|
PRBool operator>(const char *anISOLatin1) const;
|
|
PRBool operator>(const PRUnichar* aString) const;
|
|
PRBool operator<=(const nsString &S) const;
|
|
PRBool operator<=(const char *anISOLatin1) const;
|
|
PRBool operator<=(const PRUnichar* aString) const;
|
|
PRBool operator>=(const nsString &S) const;
|
|
PRBool operator>=(const char *anISOLatin1) const;
|
|
PRBool operator>=(const PRUnichar* aString) const;
|
|
|
|
PRBool Equals(const nsString& aString) const;
|
|
PRBool Equals(const char* anISOLatin1,PRInt32 aLength=-1) const;
|
|
PRBool Equals(const nsIAtom *aAtom) const;
|
|
PRBool Equals(const PRUnichar* s1, const PRUnichar* s2) const;
|
|
|
|
PRBool EqualsIgnoreCase(const nsString& aString) const;
|
|
PRBool EqualsIgnoreCase(const char* anISOLatin1,PRInt32 aLength=-1) const;
|
|
PRBool EqualsIgnoreCase(const nsIAtom *aAtom) const;
|
|
PRBool EqualsIgnoreCase(const PRUnichar* s1, const PRUnichar* s2) const;
|
|
//@}
|
|
|
|
static void SelfTest();
|
|
virtual void DebugDump(ostream& aStream) const;
|
|
|
|
protected:
|
|
|
|
typedef PRUnichar chartype;
|
|
|
|
chartype* mStr;
|
|
PRInt32 mLength;
|
|
PRInt32 mCapacity;
|
|
static PRBool mSelfTested;
|
|
};
|
|
|
|
ostream& operator<<(ostream& os,nsString& aString);
|
|
extern NS_BASE int fputs(const nsString& aString, FILE* out);
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
/**
|
|
* A version of nsString which is designed to be used as an automatic
|
|
* variable. It attempts to operate out of a fixed size internal
|
|
* buffer until too much data is added; then a dynamic buffer is
|
|
* allocated and grown as necessary.
|
|
*/
|
|
// XXX template this with a parameter for the size of the buffer?
|
|
class NS_BASE nsAutoString : public nsString {
|
|
public:
|
|
nsAutoString();
|
|
nsAutoString(const nsString& other);
|
|
nsAutoString(const nsAutoString& other);
|
|
nsAutoString(PRUnichar aChar);
|
|
nsAutoString(const char* isolatin1);
|
|
nsAutoString(const PRUnichar* us, PRInt32 uslen = -1);
|
|
virtual ~nsAutoString();
|
|
|
|
nsAutoString& operator=(const nsString& aString) {nsString::operator=(aString); return *this;}
|
|
nsAutoString& operator=(const char* anISOLatin1) {nsString::operator=(anISOLatin1); return *this;}
|
|
nsAutoString& operator=(char aChar) {nsString::operator=(aChar); return *this;}
|
|
nsAutoString& operator=(const PRUnichar* aBuffer) {nsString::operator=(aBuffer); return *this;}
|
|
nsAutoString& operator=(PRUnichar aChar) {nsString::operator=(aChar); return *this;}
|
|
|
|
virtual void SizeOf(nsISizeOfHandler* aHandler) const;
|
|
|
|
static void SelfTest();
|
|
|
|
protected:
|
|
virtual void EnsureCapacityFor(PRInt32 aNewLength);
|
|
|
|
chartype mBuf[32];
|
|
};
|
|
|
|
ostream& operator<<(ostream& os,nsAutoString& aString);
|
|
|
|
#endif
|
|
|