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gecko-dev/string/obsolete/nsString2.cpp
rickg%netscape.com e5e7c20dbc fixed ToInteger (again) and eliminate bug 8140
1999-06-17 19:15:57 +00:00

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/* -*- 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.
*/
#include <iostream.h>
#include <ctype.h>
#include <string.h>
#include <stdio.h>
#include "nsString2.h"
#include "nsDebug.h"
#include "nsCRT.h"
#include "nsIAtom.h"
#include "nsDeque.h"
#ifndef RICKG_TESTBED
#include "prdtoa.h"
#include "nsISizeOfHandler.h"
#endif
static const char* kNullPointerError = "Error: unexpected null ptr";
static const char* kWhitespace="\b\t\r\n ";
#define NOT_USED 0xfffd
static PRUint16 PA_HackTable[] = {
NOT_USED,
NOT_USED,
0x201a, /* SINGLE LOW-9 QUOTATION MARK */
0x0192, /* LATIN SMALL LETTER F WITH HOOK */
0x201e, /* DOUBLE LOW-9 QUOTATION MARK */
0x2026, /* HORIZONTAL ELLIPSIS */
0x2020, /* DAGGER */
0x2021, /* DOUBLE DAGGER */
0x02c6, /* MODIFIER LETTER CIRCUMFLEX ACCENT */
0x2030, /* PER MILLE SIGN */
0x0160, /* LATIN CAPITAL LETTER S WITH CARON */
0x2039, /* SINGLE LEFT-POINTING ANGLE QUOTATION MARK */
0x0152, /* LATIN CAPITAL LIGATURE OE */
NOT_USED,
NOT_USED,
NOT_USED,
NOT_USED,
0x2018, /* LEFT SINGLE QUOTATION MARK */
0x2019, /* RIGHT SINGLE QUOTATION MARK */
0x201c, /* LEFT DOUBLE QUOTATION MARK */
0x201d, /* RIGHT DOUBLE QUOTATION MARK */
0x2022, /* BULLET */
0x2013, /* EN DASH */
0x2014, /* EM DASH */
0x02dc, /* SMALL TILDE */
0x2122, /* TRADE MARK SIGN */
0x0161, /* LATIN SMALL LETTER S WITH CARON */
0x203a, /* SINGLE RIGHT-POINTING ANGLE QUOTATION MARK */
0x0153, /* LATIN SMALL LIGATURE OE */
NOT_USED,
NOT_USED,
0x0178 /* LATIN CAPITAL LETTER Y WITH DIAERESIS */
};
static PRUnichar gToUCS2[256];
class CTableConstructor {
public:
CTableConstructor(){
PRUnichar* cp = gToUCS2;
PRInt32 i;
for (i = 0; i < 256; i++) {
*cp++ = PRUnichar(i);
}
cp = gToUCS2;
for (i = 0; i < 32; i++) {
cp[0x80 + i] = PA_HackTable[i];
}
}
};
/***********************************************************************
IMPLEMENTATION NOTES:
Man I hate writing string classes.
You'd think after about a qintrillion lines of code have been written,
that no poor soul would ever have to do this again. Sigh.
***********************************************************************/
void Subsume(nsStr& aDest,nsStr& aSource){
if(aSource.mStr && aSource.mLength) {
if(aSource.mOwnsBuffer){
aDest.mStr=aSource.mStr;
aDest.mLength=aSource.mLength;
aDest.mCharSize=aSource.mCharSize;
aDest.mCapacity=aSource.mCapacity;
aDest.mOwnsBuffer=aSource.mOwnsBuffer;
aSource.mOwnsBuffer=PR_FALSE;
aSource.mStr=0;
}
else{
nsStr::Assign(aDest,aSource,0,aSource.mLength,0);
}
}
else nsStr::Truncate(aDest,0,0);
}
//#define RICKG_DEBUG
#undef RICKG_DEBUG
#ifdef RICKG_DEBUG
/********************************************************
This class's only purpose in life is to test nsString2.
********************************************************/
class CStringTester {
public:
CStringTester();
};
#endif
/**
* Default constructor. Note that we actually allocate a small buffer
* to begin with. This is because the "philosophy" of the string class
* was to allow developers direct access to the underlying buffer for
* performance reasons.
*/
nsString2::nsString2(eCharSize aCharSize,nsIMemoryAgent* anAgent) : mAgent(anAgent) {
#ifdef RICKG_DEBUG
static CStringTester gStringTester;
#endif
nsStr::Initialize(*this,aCharSize);
}
/**
* This constructor accepts an ascii string
* @update gess 1/4/99
* @param aCString is a ptr to a 1-byte cstr
*/
nsString2::nsString2(const char* aCString,eCharSize aCharSize,nsIMemoryAgent* anAgent) : mAgent(anAgent) {
nsStr::Initialize(*this,aCharSize);
Assign(aCString);
}
/**
* This constructor accepts an ascii string
* @update gess 1/4/99
* @param aCString is a ptr to a 1-byte cstr
*/
nsString2::nsString2(const PRUnichar* aString,eCharSize aCharSize,nsIMemoryAgent* anAgent) : mAgent(anAgent) {
nsStr::Initialize(*this,aCharSize);
Assign(aString);
}
/**
* This is our copy constructor
* @update gess 1/4/99
* @param reference to another nsString2
*/
nsString2::nsString2(const nsStr &aString,eCharSize aCharSize,nsIMemoryAgent* anAgent) : mAgent(anAgent) {
nsStr::Initialize(*this,aCharSize);
nsStr::Assign(*this,aString,0,aString.mLength,mAgent);
}
/**
* This is our copy constructor
* @update gess 1/4/99
* @param reference to another nsString2
*/
nsString2::nsString2(const nsString2& aString) :mAgent(aString.mAgent) {
nsStr::Initialize(*this,aString.mCharSize);
nsStr::Assign(*this,aString,0,aString.mLength,mAgent);
}
/**
* construct off a subsumeable string
* @update gess 1/4/99
* @param reference to a subsumeString
*/
nsString2::nsString2(nsSubsumeStr& aSubsumeStr) :mAgent(0) {
Subsume(*this,aSubsumeStr);
}
/**
* Destructor
* Make sure we call nsStr::Destroy.
*/
nsString2::~nsString2() {
nsStr::Destroy(*this,mAgent);
}
void nsString2::SizeOf(nsISizeOfHandler* aHandler) const {
aHandler->Add(sizeof(*this));
aHandler->Add(mCapacity << mCharSize);
}
/**
* This method truncates this string to given length.
*
* @update gess 01/04/99
* @param anIndex -- new length of string
* @return nada
*/
void nsString2::Truncate(PRInt32 anIndex) {
nsStr::Truncate(*this,anIndex,mAgent);
}
/**
* Determine whether or not the characters in this
* string are in sorted order.
*
* @update gess 8/25/98
* @return TRUE if ordered.
*/
PRBool nsString2::IsOrdered(void) const {
PRBool result=PR_TRUE;
if(mLength>1) {
PRUint32 theIndex;
PRUnichar c1=0;
PRUnichar c2=GetCharAt(*this,0);
for(theIndex=1;theIndex<mLength;theIndex++) {
c1=c2;
c2=GetCharAt(*this,theIndex);
if(c1>c2) {
result=PR_FALSE;
break;
}
}
}
return result;
}
/**
* Call this method if you want to force the string to a certain capacity
* @update gess 1/4/99
* @param aLength -- contains new length for mStr
* @return
*/
void nsString2::SetCapacity(PRUint32 aLength) {
if(aLength>mLength) {
GrowCapacity(*this,aLength,mAgent);
}
mLength=aLength;
AddNullTerminator(*this);
}
/**********************************************************************
Accessor methods...
*********************************************************************/
//static char gChar=0;
/**
*
* @update gess1/4/99
* @return ptr to internal buffer (if 1-byte), otherwise NULL
*/
const char* nsString2::GetBuffer(void) const {
const char* result=(eOneByte==mCharSize) ? mStr : 0;
return result;
}
/**
*
* @update gess1/4/99
* @return ptr to internal buffer (if 2-byte), otherwise NULL
*/
const PRUnichar* nsString2::GetUnicode(void) const {
const PRUnichar* result=(eTwoByte==mCharSize) ? mUStr : 0;
return result;
}
/**
* Get nth character.
*/
PRUnichar nsString2::operator[](PRUint32 anIndex) const {
return GetCharAt(*this,anIndex);
}
PRUnichar nsString2::CharAt(PRUint32 anIndex) const {
return GetCharAt(*this,anIndex);
}
PRUnichar nsString2::First(void) const{
return GetCharAt(*this,0);
}
PRUnichar nsString2::Last(void) const{
return GetCharAt(*this,mLength-1);
}
PRBool nsString2::SetCharAt(PRUnichar aChar,PRUint32 anIndex){
PRBool result=PR_FALSE;
if(anIndex<mLength){
if(eOneByte==mCharSize)
mStr[anIndex]=char(aChar);
else mUStr[anIndex]=aChar;
result=PR_TRUE;
}
return result;
}
/*********************************************************
append (operator+) METHODS....
*********************************************************/
/**
* Create a new string by appending given string to this
* @update gess 01/04/99
* @param aString -- 2nd string to be appended
* @return new string
*/
nsSubsumeStr nsString2::operator+(const nsStr& aString){
nsString2 temp(*this); //make a temp string the same size as this...
nsStr::Append(temp,aString,0,aString.mLength,mAgent);
return nsSubsumeStr(temp);
}
/**
* Create a new string by appending given string to this
* @update gess 01/04/99
* @param aString -- 2nd string to be appended
* @return new string
*/
nsSubsumeStr nsString2::operator+(const nsString2& aString){
nsString2 temp(*this); //make a temp string the same size as this...
nsStr::Append(temp,aString,0,aString.mLength,mAgent);
return nsSubsumeStr(temp);
}
/**
* create a new string by adding this to the given buffer.
* @update gess 01/04/99
* @param aCString is a ptr to cstring to be added to this
* @return newly created string
*/
nsSubsumeStr nsString2::operator+(const char* aCString) {
nsString2 temp(*this);
temp.Append(aCString);
return nsSubsumeStr(temp);
}
/**
* create a new string by adding this to the given char.
* @update gess 01/04/99
* @param aChar is a char to be added to this
* @return newly created string
*/
nsSubsumeStr nsString2::operator+(char aChar) {
nsString2 temp(*this);
temp.Append(char(aChar));
return nsSubsumeStr(temp);
}
/**
* create a new string by adding this to the given buffer.
* @update gess 01/04/99
* @param aString is a ptr to unistring to be added to this
* @return newly created string
*/
nsSubsumeStr nsString2::operator+(const PRUnichar* aString) {
nsString2 temp(*this);
temp.Append(aString);
return nsSubsumeStr(temp);
}
/**
* create a new string by adding this to the given char.
* @update gess 01/04/99
* @param aChar is a unichar to be added to this
* @return newly created string
*/
nsSubsumeStr nsString2::operator+(PRUnichar aChar) {
nsString2 temp(*this);
temp.Append(char(aChar));
return nsSubsumeStr(temp);
}
/**********************************************************************
Lexomorphic transforms...
*********************************************************************/
/**
* Converts all chars in given string to UCS2
*/
void nsString2::ToUCS2(PRUint32 aStartOffset){
static CTableConstructor gTableConstructor;
if(aStartOffset<mLength){
if(eTwoByte==mCharSize) {
PRUint32 theIndex=0;
for(theIndex=aStartOffset;theIndex<mLength;theIndex++){
unsigned char ch = (unsigned char)mUStr[theIndex];
if( 0x0080 == (0xFFE0 & (mUStr[theIndex])) ) // limit to only 0x0080 to 0x009F
mUStr[theIndex]=gToUCS2[ch];
}
}
}
}
/**
* Converts all chars in internal string to lower
* @update gess 01/04/99
*/
void nsString2::ToLowerCase() {
nsStr::ChangeCase(*this,PR_FALSE);
}
/**
* Converts all chars in internal string to upper
* @update gess 01/04/99
*/
void nsString2::ToUpperCase() {
nsStr::ChangeCase(*this,PR_TRUE);
}
/**
* Converts chars in this to lowercase, and
* stores them in aString
* @update gess 01/04/99
* @param aOut is a string to contain result
*/
void nsString2::ToLowerCase(nsString2& aString) const {
aString=*this;
nsStr::ChangeCase(aString,PR_FALSE);
}
/**
* Converts chars in this to lowercase, and
* stores them in a given output string
* @update gess 01/04/99
* @param aOut is a string to contain result
*/
void nsString2::ToUpperCase(nsString2& aString) const {
aString=*this;
nsStr::ChangeCase(aString,PR_TRUE);
}
/**
* This method is used to remove all occurances of the
* characters found in aSet from this string.
*
* @update gess 01/04/99
* @param aSet -- characters to be cut from this
* @return *this
*/
nsString2& nsString2::StripChars(const char* aSet){
if(aSet){
nsStr::StripChars(*this,0,mLength,aSet);
}
return *this;
}
/**
* This method strips whitespace throughout the string
*
* @update gess 01/04/99
* @return this
*/
nsString2& nsString2::StripWhitespace() {
nsStr::StripChars(*this,0,mLength,kWhitespace);
return *this;
}
/**
* This method is used to replace all occurances of the
* given source char with the given dest char
*
* @param
* @return *this
*/
nsString2& nsString2::ReplaceChar(PRUnichar aSourceChar, PRUnichar aDestChar) {
PRUint32 theIndex=0;
if(eTwoByte==mCharSize){
for(theIndex=0;theIndex<mLength;theIndex++){
if(mUStr[theIndex]==aSourceChar) {
mUStr[theIndex]=aDestChar;
}//if
}
}
else{
for(theIndex=0;theIndex<mLength;theIndex++){
if(mStr[theIndex]==(char)aSourceChar) {
mStr[theIndex]=(char)aDestChar;
}//if
}
}
return *this;
}
/**
* This method trims characters found in aTrimSet from
* either end of the underlying string.
*
* @update gess 3/31/98
* @param aTrimSet -- contains chars to be trimmed from
* both ends
* @return this
*/
nsString2& nsString2::Trim(const char* aTrimSet, PRBool aEliminateLeading,PRBool aEliminateTrailing){
if(aTrimSet){
nsStr::Trim(*this,aTrimSet,aEliminateLeading,aEliminateTrailing);
}
return *this;
}
/**
* This method strips whitespace from string.
* You can control whether whitespace is yanked from
* start and end of string as well.
*
* @update gess 3/31/98
* @param aEliminateLeading controls stripping of leading ws
* @param aEliminateTrailing controls stripping of trailing ws
* @return this
*/
nsString2& nsString2::CompressSet(const char* aSet, char aChar, PRBool aEliminateLeading,PRBool aEliminateTrailing){
if(aSet){
nsStr::CompressSet(*this,aSet,aChar,aEliminateLeading,aEliminateTrailing);
}
return *this;
}
/**
* This method strips whitespace from string.
* You can control whether whitespace is yanked from
* start and end of string as well.
*
* @update gess 3/31/98
* @param aEliminateLeading controls stripping of leading ws
* @param aEliminateTrailing controls stripping of trailing ws
* @return this
*/
nsString2& nsString2::CompressWhitespace( PRBool aEliminateLeading,PRBool aEliminateTrailing){
nsStr::CompressSet(*this,kWhitespace,' ',aEliminateLeading,aEliminateTrailing);
return *this;
}
/**********************************************************************
string conversion methods...
*********************************************************************/
/**
* Creates a duplicate clone (ptr) of this string.
* @update gess 01/04/99
* @return ptr to clone of this string
*/
nsString2* nsString2::ToNewString() const {
return new nsString2(*this);
}
/**
* Creates an ascii clone of this string
* @update gess 01/04/99
* @return ptr to new ascii string
*/
char* nsString2::ToNewCString() const {
PRUint32 theLength=mLength+2; //one for good measure and one for the Nullchar
char* result=new char[theLength];
if(result){
nsAutoString2 temp(result,theLength-1,eOneByte,PR_TRUE);
nsStr::Assign(temp,*this,0,mLength,0);
temp.mStr=0;
}
return result;
}
/**
* Creates an ascii clone of this string
* @update gess 01/04/99
* @return ptr to new ascii string
*/
PRUnichar* nsString2::ToNewUnicode() const {
PRUint32 theLength=mLength+2; //one for good measure and one for the Nullchar
PRUnichar* result=new PRUnichar[theLength];
if(result){
nsAutoString2 temp(result,theLength-1,eTwoByte,PR_TRUE);
nsStr::Assign(temp,*this,0,mLength,0);
temp.mStr=0;
}
return result;
}
/**
* Copies contents of this string into he given buffer
* @update gess 01/04/99
* @param
* @return
*/
char* nsString2::ToCString(char* aBuf, PRUint32 aBufLength,PRUint32 anOffset) const{
PRUint32 theLength=0;
if(0<aBufLength){
if(0<aBufLength){
if(aBuf && (0<mLength)) {
nsStr temp;
nsStr::Initialize(temp,eOneByte);
temp.mStr=aBuf;
temp.mCapacity=aBufLength-1;
theLength = (mLength<aBufLength-1) ? mLength : aBufLength-1;
nsStr::Assign(temp,*this,anOffset,theLength,mAgent);
}
}
}
aBuf[theLength]=0;
return aBuf;
}
/**
* Perform string to float conversion.
* @update gess 01/04/99
* @param aErrorCode will contain error if one occurs
* @return float rep of string value
*/
float nsString2::ToFloat(PRInt32* aErrorCode) const {
char buf[100];
if (mLength > PRInt32(sizeof(buf)-1)) {
*aErrorCode = (PRInt32) NS_ERROR_ILLEGAL_VALUE;
return 0.0f;
}
char* cp = ToCString(buf, sizeof(buf));
float f = (float) PR_strtod(cp, &cp);
if (*cp != 0) {
*aErrorCode = (PRInt32) NS_ERROR_ILLEGAL_VALUE;
}
*aErrorCode = (PRInt32) NS_OK;
return f;
}
/**
* Perform numeric string to int conversion with given radix.
* NOTE: 1. This method mandates that the string is well formed.
* 2. This method will return an error if the string you give
contains chars outside the range for the specified radix.
* @update gess 10/01/98
* @param aErrorCode will contain error if one occurs
* @param aRadix tells us what base to expect the string in.
* @return int rep of string value
*/
PRInt32 _ToInteger(nsString2& aString,PRInt32* anErrorCode,PRUint32 aRadix) {
//copy chars to local buffer -- step down from 2 bytes to 1 if necessary...
PRInt32 result=0;
char* cp = aString.mStr + aString.mLength;
PRInt32 theMult=1;
*anErrorCode = NS_OK;
//now iterate the numeric chars and build our result
char theChar=0;
char theDigit=0;
while(--cp>=aString.mStr){
char theChar=*cp;
if((theChar>='0') && (theChar<='9')){
theDigit=theChar-'0';
}
else if((theChar>='A') && (theChar<='F')) {
if(10==aRadix){
*anErrorCode=NS_ERROR_ILLEGAL_VALUE;
result=0;
break;
}
theDigit=(theChar-'A')+10;
}
else if('-'==theChar) {
result=-result;
break;
}
else if(('+'==theChar) || (' '==theChar)) { //stop in a good state if you see this...
break;
}
else {
//we've encountered a char that's not a legal number or sign
*anErrorCode=NS_ERROR_ILLEGAL_VALUE;
result=0;
break;
}
result+=theDigit*theMult;
theMult*=aRadix;
}
return result;
}
/**
* Call this method to extract the rightmost numeric value from the given
* 1-byte input string, and simultaneously determine the radix.
* NOTE: This method mandates that the string is well formed.
* Leading and trailing gunk should be removed, and the case upper.
* @update gess 10/01/98
* @param anInputString contains orig string
* @param anOutString contains numeric portion copy of input string
* @param aRadix (an out parm) tells the caller what base we think the string is in.
* @return non-zero error code if this string is non-numeric
*/
PRInt32 GetNumericSubstring(nsString2& aString,PRUint32& aRadix) {
aString.ToUpperCase();
PRInt32 decPt=aString.FindChar(aString,'.',PR_TRUE,0);
char* cp = (kNotFound==decPt) ? aString.mStr + aString.mLength-1 : aString.mStr+decPt-1;
aRadix=kRadixUnknown; //assume for starters...
// Skip trailing non-numeric...
while (cp >= aString.mStr) {
if((*cp>='0') && (*cp<='9')){
if(kRadixUnknown==aRadix)
aRadix=kRadix10;
break;
}
else if((*cp>='A') && (*cp<='F')) {
aRadix=16;
break;
}
cp--;
}
aString.Truncate(cp-aString.mStr+1);
//ok, now scan through chars until you find the start of this number...
//we delimit the number by the presence of: +,-,#,X
// Skip trailing non-numeric...
cp++;
while (--cp >= aString.mStr) {
if((*cp>='0') && (*cp<='9')){
continue;
}
else if((*cp>='A') && (*cp<='F')) {
continue;
}
else if((*cp=='-') || (*cp=='+')){
break;
}
else {
if(('#'==(*cp)) || ('X'==(*cp)))
aRadix=kRadix16;
cp++; //move back by one
break;
}
}
if(cp>aString.mStr)
aString.Cut(0,cp-aString.mStr);
PRInt32 result=(0==aString.mLength) ? NS_ERROR_ILLEGAL_VALUE : NS_OK;
return result;
}
/**
* This method tries to autodetect that radix given a string
* @update gess 10/01/98
* @return 10,16,or 0 (meaning I don't know)
*/
PRUint32 nsString2::DetermineRadix(void) {
PRUint32 result=kRadixUnknown;
if(0<mLength) {
nsAutoString2 theString(*this,eOneByte);
if(NS_OK!=GetNumericSubstring(theString,result))
result=kRadixUnknown;
}
return result;
}
/**
* Perform decimal numeric string to int conversion.
* NOTE: In this version, we use the radix you give, even if it's wrong.
* @update gess 10/01/98
* @param aErrorCode will contain error if one occurs
* @param aRadix tells us what base to expect the given string in.
* @return int rep of string value
*/
PRInt32 nsString2::ToInteger(PRInt32* anErrorCode,PRUint32 aRadix) const {
//copy chars to local buffer -- step down from 2 bytes to 1 if necessary...
nsAutoString2 theString(*this,eOneByte);
PRUint32 theRadix=aRadix;
PRInt32 result=0;
*anErrorCode=GetNumericSubstring(theString,theRadix); //we actually don't use this radix; use given radix instead
if(NS_OK==*anErrorCode){
if(kAutoDetect==aRadix)
aRadix=theRadix;
if((kRadix10==aRadix) || (kRadix16==aRadix))
result=_ToInteger(theString,anErrorCode,aRadix); //note we use the given radix, not the computed one.
else *anErrorCode=NS_ERROR_ILLEGAL_VALUE;
}
return result;
}
/**********************************************************************
String manipulation methods...
*********************************************************************/
/**
* assign given string to this one
* @update gess 01/04/99
* @param aString: string to be added to this
* @return this
*/
nsString2& nsString2::Assign(const nsStr& aString,PRInt32 aCount) {
if(this!=&aString){
if(-1==aCount) aCount=aString.mLength;
nsStr::Assign(*this,aString,0,aCount,mAgent);
}
return *this;
}
/**
* assign given string to this one
* @update gess 01/04/99
* @param aString: string to be added to this
* @return this
*/
nsString2& nsString2::Assign(const nsString2& aString,PRInt32 aCount) {
if(this!=&aString){
if(-1==aCount) aCount=aString.mLength;
nsStr::Assign(*this,aString,0,aCount,mAgent);
}
return *this;
}
/**
* assign given char* to this string
* @update gess 01/04/99
* @param aCString: buffer to be assigned to this
* @return this
*/
nsString2& nsString2::Assign(const char* aCString,PRInt32 aCount) {
nsStr::Truncate(*this,0,0);
if(aCString){
Append(aCString,aCount);
}
return *this;
}
/**
* assign given unichar* to this string
* @update gess 01/04/99
* @param aString: buffer to be assigned to this
* @return this
*/
nsString2& nsString2::Assign(const PRUnichar* aString,PRInt32 aCount) {
nsStr::Truncate(*this,0,0);
if(aString){
Append(aString,aCount);
}
return *this;
}
/**
* assign given char to this string
* @update gess 01/04/99
* @param aChar: char to be assignd to this
* @return this
*/
nsString2& nsString2::Assign(char aChar) {
nsStr::Truncate(*this,0,0);
return Append(aChar);
}
/**
* assign given char to this string
* @update gess 01/04/99
* @param aChar: char to be assignd to this
* @return this
*/
nsString2& nsString2::Assign(PRUnichar aChar) {
nsStr::Truncate(*this,0,0);
return Append(aChar);
}
/**
* WARNING! THIS IS A VERY SPECIAL METHOD.
* This method "steals" the contents of aSource and hands it to aDest.
* Ordinarily a copy is made, but not in this version.
* @update gess10/30/98
* @param
* @return
*/
#ifdef AIX
nsString2& nsString2::operator=(const nsSubsumeStr& aSubsumeString) {
nsSubsumeStr temp(aSubsumeString); // a temp is needed for the AIX compiler
Subsume(*this,temp);
#else
nsString2& nsString2::operator=(nsSubsumeStr& aSubsumeString) {
Subsume(*this,aSubsumeString);
#endif // AIX
return *this;
}
/**
* append given string to this string
* @update gess 01/04/99
* @param aString : string to be appended to this
* @return this
*/
nsString2& nsString2::Append(const nsStr& aString,PRInt32 aCount) {
if(-1==aCount) aCount=aString.mLength;
nsStr::Append(*this,aString,0,aCount,mAgent);
return *this;
}
/**
* append given string to this string
* @update gess 01/04/99
* @param aString : string to be appended to this
* @return this
*/
nsString2& nsString2::Append(const nsString2& aString,PRInt32 aCount) {
if(-1==aCount) aCount=aString.mLength;
nsStr::Append(*this,aString,0,aCount,mAgent);
return *this;
}
/**
* append given string to this string
* @update gess 01/04/99
* @param aString : string to be appended to this
* @param aCount: #of chars to be copied
* @return this
*/
nsString2& nsString2::Append(const char* aCString,PRInt32 aCount) {
if(aCString){
nsStr temp;
Initialize(temp,eOneByte);
temp.mStr=(char*)aCString;
if(-1==aCount) aCount= nsCRT::strlen(aCString);
temp.mLength = aCount;
nsStr::Append(*this,temp,0,aCount,mAgent);
}
return *this;
}
/**
* append given uni-string to this string
* @update gess 01/04/99
* @param aString : string to be appended to this
* @param aCount: #of chars to be copied
* @return this
*/
nsString2& nsString2::Append(const PRUnichar* aString,PRInt32 aCount) {
if(aString){
nsStr temp;
Initialize(temp,eTwoByte);
temp.mUStr=(PRUnichar*)aString;
if(-1==aCount) aCount= nsCRT::strlen(aString);
temp.mLength = aCount;
nsStr::Append(*this,temp,0,aCount,mAgent);
}
return *this;
}
/**
* append given string to this string
* @update gess 01/04/99
* @param aString : string to be appended to this
* @return this
*/
nsString2& nsString2::Append(char aChar) {
char buf[2]={0,0};
buf[0]=aChar;
nsStr temp;
Initialize(temp,eOneByte);
temp.mStr=buf;
temp.mLength=1;
nsStr::Append(*this,temp,0,1,mAgent);
return *this;
}
/**
* append given string to this string
* @update gess 01/04/99
* @param aString : string to be appended to this
* @return this
*/
nsString2& nsString2::Append(PRUnichar aChar) {
PRUnichar buf[2]={0,0};
buf[0]=aChar;
nsStr temp;
Initialize(temp,eTwoByte);
temp.mUStr=buf;
temp.mLength=1;
nsStr::Append(*this,temp,0,1,mAgent);
return *this;
}
/**
*
* @update gess 01/04/99
* @param
* @return
*/
nsString2& nsString2::Append(PRInt32 aInteger,PRInt32 aRadix) {
char* fmt = "%d";
if (8 == aRadix) {
fmt = "%o";
} else if (16 == aRadix) {
fmt = "%x";
}
char buf[40];
// *** XX UNCOMMENT THIS LINE
//PR_snprintf(buf, sizeof(buf), fmt, aInteger);
sprintf(buf,fmt,aInteger);
return Append(buf);
}
/**
*
* @update gess 01/04/99
* @param
* @return
*/
nsString2& nsString2::Append(float aFloat){
char buf[40];
// *** XX UNCOMMENT THIS LINE
//PR_snprintf(buf, sizeof(buf), "%g", aFloat);
sprintf(buf,"%g",aFloat);
return Append(buf);
}
/*
* Copies n characters from this string to given string,
* starting at the leftmost offset.
*
*
* @update gess 4/1/98
* @param aCopy -- Receiving string
* @param aCount -- number of chars to copy
* @return number of chars copied
*/
PRUint32 nsString2::Left(nsString2& aDest,PRInt32 aCount) const{
nsStr::Assign(aDest,*this,0,aCount,mAgent);
return aDest.mLength;
}
/*
* Copies n characters from this string to given string,
* starting at the given offset.
*
*
* @update gess 4/1/98
* @param aDest -- Receiving string
* @param aCount -- number of chars to copy
* @param anOffset -- position where copying begins
* @return number of chars copied
*/
PRUint32 nsString2::Mid(nsString2& aDest,PRUint32 anOffset,PRInt32 aCount) const{
nsStr::Assign(aDest,*this,anOffset,aCount,mAgent);
return aDest.mLength;
}
/*
* Copies n characters from this string to given string,
* starting at rightmost char.
*
*
* @update gess 4/1/98
* @param aCopy -- Receiving string
* @param aCount -- number of chars to copy
* @return number of chars copied
*/
PRUint32 nsString2::Right(nsString2& aCopy,PRInt32 aCount) const{
PRInt32 offset=MaxInt(mLength-aCount,0);
return Mid(aCopy,offset,aCount);
}
/*
* This method inserts n chars from given string into this
* string at str[anOffset].
*
* @update gess 4/1/98
* @param aCopy -- String to be inserted into this
* @param anOffset -- insertion position within this str
* @param aCount -- number of chars to be copied from aCopy
* @return number of chars inserted into this.
*/
nsString2& nsString2::Insert(const nsString2& aCopy,PRUint32 anOffset,PRInt32 aCount) {
nsStr::Insert(*this,anOffset,aCopy,0,aCount,mAgent);
return *this;
}
/**
* Insert a single unicode char into this string at
* a specified offset.
*
* @update gess4/22/98
* @param aChar char to be inserted into this string
* @param anOffset is insert pos in str
* @return the number of chars inserted into this string
*/
nsString2& nsString2::Insert(const char* aCString,PRUint32 anOffset,PRInt32 aCount){
if(aCString){
nsStr temp;
nsStr::Initialize(temp,eOneByte);
temp.mStr=(char*)aCString;
temp.mLength=(aCount<0) ? nsCRT::strlen(aCString) :aCount;
if(temp.mLength){
nsStr::Insert(*this,anOffset,temp,0,aCount,0);
}
}
return *this;
}
/**
* Insert a single char into this string at
* a specified offset.
*
* @update gess4/22/98
* @param aChar char to be inserted into this string
* @param anOffset is insert pos in str
* @return the number of chars inserted into this string
*/
/*
nsString2& nsString2::Insert(char aChar,PRUint32 anOffset){
char theBuffer[2]={0,0};
theBuffer[0]=aChar;
nsStr temp;
nsStr::Initialize(temp,eOneByte);
temp.mStr=(char*)theBuffer;
temp.mLength=1;
nsStr::Insert(*this,anOffset,temp,0,1,0);
return *this;
}
*/
/**
* Insert a unicode* into this string at
* a specified offset.
*
* @update gess4/22/98
* @param aChar char to be inserted into this string
* @param anOffset is insert pos in str
* @return the number of chars inserted into this string
*/
nsString2& nsString2::Insert(const PRUnichar* aString,PRUint32 anOffset,PRInt32 aCount){
if(aString){
if(0<aCount) {
nsStr temp;
nsStr::Initialize(temp,eTwoByte);
temp.mUStr=(PRUnichar*)aString;
temp.mLength=nsCRT::strlen(aString);
if(temp.mLength){
nsStr::Insert(*this,anOffset,temp,0,aCount,0);
}
}
}
return *this;
}
/**
* Insert a single uni-char into this string at
* a specified offset.
*
* @update gess4/22/98
* @param aChar char to be inserted into this string
* @param anOffset is insert pos in str
* @return the number of chars inserted into this string
*/
nsString2& nsString2::Insert(PRUnichar aChar,PRUint32 anOffset){
PRUnichar theBuffer[2]={0,0};
theBuffer[0]=aChar;
nsStr temp;
nsStr::Initialize(temp,eTwoByte);
temp.mUStr=theBuffer;
temp.mLength=1;
nsStr::Insert(*this,anOffset,temp,0,1,0);
return *this;
}
/*
* This method is used to cut characters in this string
* starting at anOffset, continuing for aCount chars.
*
* @update gess 01/04/99
* @param anOffset -- start pos for cut operation
* @param aCount -- number of chars to be cut
* @return *this
*/
nsString2& nsString2::Cut(PRUint32 anOffset, PRInt32 aCount) {
nsStr::Delete(*this,anOffset,aCount,mAgent);
return *this;
}
/**********************************************************************
Searching methods...
*********************************************************************/
/**
* Search for given character within this string.
* This method does so by using a binary search,
* so your string HAD BETTER BE ORDERED!
*
* @param aChar is the unicode char to be found
* @return offset in string, or -1 (kNotFound)
*/
PRInt32 nsString2::BinarySearch(PRUnichar aChar) const{
PRInt32 low=0;
PRInt32 high=mLength-1;
while (low <= high) {
int middle = (low + high) >> 1;
PRUnichar theChar=GetCharAt(*this,middle);
if (theChar==aChar)
return middle;
if (theChar>aChar)
high = middle - 1;
else
low = middle + 1;
}
return kNotFound;
}
/**
* Search for given buffer within this string
*
* @update gess 3/25/98
* @param aCStringBuf - charstr to be found
* @return offset in string, or -1 (kNotFound)
*/
PRInt32 nsString2::Find(const char* aCString,PRBool aIgnoreCase) const{
NS_ASSERTION(0!=aCString,kNullPointerError);
PRInt32 result=kNotFound;
if(aCString) {
nsStr temp;
nsStr::Initialize(temp,eOneByte);
temp.mLength=nsCRT::strlen(aCString);
temp.mStr=(char*)aCString;
result=nsStr::FindSubstr(*this,temp,aIgnoreCase,0);
}
return result;
}
/**
* Search for given buffer within this string
*
* @update gess 3/25/98
* @param aCStringBuf - charstr to be found
* @return offset in string, or -1 (kNotFound)
*/
PRInt32 nsString2::Find(const PRUnichar* aString,PRBool aIgnoreCase) const{
NS_ASSERTION(0!=aString,kNullPointerError);
PRInt32 result=kNotFound;
if(aString) {
nsStr temp;
nsStr::Initialize(temp,eTwoByte);
temp.mLength=nsCRT::strlen(aString);
temp.mUStr=(PRUnichar*)aString;
result=nsStr::FindSubstr(*this,temp,aIgnoreCase,0);
}
return result;
}
/**
* Search for given buffer within this string
*
* @update gess 3/25/98
* @param nsString2 -- buffer to be found
* @return offset in string, or -1 (kNotFound)
*/
PRInt32 nsString2::Find(const nsStr& aString,PRBool aIgnoreCase) const{
PRInt32 result=nsStr::FindSubstr(*this,aString,aIgnoreCase,0);
return result;
}
/**
* Search for given buffer within this string
*
* @update gess 3/25/98
* @param nsString2 -- buffer to be found
* @return offset in string, or -1 (kNotFound)
*/
PRInt32 nsString2::Find(const nsString2& aString,PRBool aIgnoreCase) const{
PRInt32 result=nsStr::FindSubstr(*this,aString,aIgnoreCase,0);
return result;
}
/**
* Search for a given char, starting at given offset
*
* @update gess 3/25/98
* @param
* @return offset of found char, or -1 (kNotFound)
*/
PRInt32 nsString2::Find(PRUnichar aChar,PRUint32 anOffset,PRBool aIgnoreCase) const{
PRInt32 result=nsStr::FindChar(*this,aChar,aIgnoreCase,anOffset);
return result;
}
/**
*
*
* @update gess 3/25/98
* @param
* @return
*/
PRInt32 nsString2::FindCharInSet(const char* aCStringSet,PRUint32 anOffset) const{
NS_ASSERTION(0!=aCStringSet,kNullPointerError);
PRInt32 result=kNotFound;
if(aCStringSet) {
nsStr temp;
nsStr::Initialize(temp,eOneByte);
temp.mLength=nsCRT::strlen(aCStringSet);
temp.mStr=(char*)aCStringSet;
result=nsStr::FindCharInSet(*this,temp,PR_FALSE,anOffset);
}
return result;
}
/**
*
*
* @update gess 3/25/98
* @param
* @return
*/
PRInt32 nsString2::FindCharInSet(const nsString2& aSet,PRUint32 anOffset) const{
PRInt32 result=nsStr::FindCharInSet(*this,aSet,PR_FALSE,anOffset);
return result;
}
/**
*
*
* @update gess 3/25/98
* @param
* @return
*/
PRInt32 nsString2::RFindCharInSet(const char* aCStringSet,PRUint32 anOffset) const{
NS_ASSERTION(0!=aCStringSet,kNullPointerError);
PRInt32 result=kNotFound;
if(aCStringSet) {
nsStr temp;
nsStr::Initialize(temp,eOneByte);
temp.mLength=nsCRT::strlen(aCStringSet);
temp.mStr=(char*)aCStringSet;
result=nsStr::RFindCharInSet(*this,temp,PR_FALSE,anOffset);
}
return result;
}
/**
*
*
* @update gess 3/25/98
* @param
* @return
*/
PRInt32 nsString2::RFindCharInSet(const nsString2& aSet,PRUint32 anOffset) const{
PRInt32 result=nsStr::RFindCharInSet(*this,aSet,PR_FALSE,anOffset);
return result;
}
/**
*
*
* @update gess 3/25/98
* @param
* @return
*/
PRInt32 nsString2::RFind(const nsStr& aString,PRBool aIgnoreCase) const{
PRInt32 result=nsStr::RFindSubstr(*this,aString,aIgnoreCase,0);
return result;
}
/**
*
*
* @update gess 3/25/98
* @param
* @return
*/
PRInt32 nsString2::RFind(const nsString2& aString,PRBool aIgnoreCase) const{
PRInt32 result=nsStr::RFindSubstr(*this,aString,aIgnoreCase,0);
return result;
}
/**
*
*
* @update gess 3/25/98
* @param
* @return
*/
PRInt32 nsString2::RFind(const char* aString,PRBool aIgnoreCase) const{
NS_ASSERTION(0!=aString,kNullPointerError);
PRInt32 result=kNotFound;
if(aString) {
nsStr temp;
nsStr::Initialize(temp,eOneByte);
temp.mLength=nsCRT::strlen(aString);
temp.mStr=(char*)aString;
result=nsStr::RFindSubstr(*this,temp,aIgnoreCase,0);
}
return result;
}
/**
* Search for a given char, starting at given offset
*
* @update gess 3/25/98
* @param
* @return offset of found char, or -1 (kNotFound)
*/
PRInt32 nsString2::RFind(PRUnichar aChar,PRUint32 anOffset,PRBool aIgnoreCase) const{
PRInt32 result=nsStr::RFindChar(*this,aChar,aIgnoreCase,anOffset);
return result;
}
/**************************************************************
COMPARISON METHODS...
**************************************************************/
/**
* Compares given cstring to this string.
* @update gess 01/04/99
* @param aCString pts to a cstring
* @param aIgnoreCase tells us how to treat case
* @return -1,0,1
*/
PRInt32 nsString2::Compare(const nsString2& aString,PRBool aIgnoreCase,PRInt32 aLength) const {
return nsStr::Compare(*this,aString,aLength,aIgnoreCase);
}
/**
* Compares given cstring to this string.
* @update gess 01/04/99
* @param aCString pts to a cstring
* @param aIgnoreCase tells us how to treat case
* @return -1,0,1
*/
PRInt32 nsString2::Compare(const char *aCString,PRBool aIgnoreCase,PRInt32 aLength) const {
NS_ASSERTION(0!=aCString,kNullPointerError);
if(aCString) {
nsStr temp;
nsStr::Initialize(temp,eOneByte);
temp.mLength=nsCRT::strlen(aCString);
temp.mStr=(char*)aCString;
return nsStr::Compare(*this,temp,aLength,aIgnoreCase);
}
return 0;
}
/**
* Compares given unistring to this string.
* @update gess 01/04/99
* @param aString pts to a uni-string
* @param aIgnoreCase tells us how to treat case
* @return -1,0,1
*/
PRInt32 nsString2::Compare(const PRUnichar* aString,PRBool aIgnoreCase,PRInt32 aLength) const {
NS_ASSERTION(0!=aString,kNullPointerError);
if(aString) {
nsStr temp;
nsStr::Initialize(temp,eTwoByte);
temp.mLength=nsCRT::strlen(aString);
temp.mUStr=(PRUnichar*)aString;
return nsStr::Compare(*this,temp,aLength,aIgnoreCase);
}
return 0;
}
/**
* LAST MODS: gess
*
* @param
* @return
*/
PRInt32 nsString2::Compare(const nsStr& aString,PRBool aIgnoreCase,PRInt32 aLength) const {
return nsStr::Compare(*this,aString,aLength,aIgnoreCase);
}
PRBool nsString2::operator==(const nsString2& S) const {return Equals(S);}
PRBool nsString2::operator==(const nsStr& S) const {return Equals(S);}
PRBool nsString2::operator==(const char* s) const {return Equals(s);}
PRBool nsString2::operator==(const PRUnichar* s) const {return Equals(s);}
PRBool nsString2::operator!=(const nsString2& S) const {return PRBool(Compare(S)!=0);}
PRBool nsString2::operator!=(const nsStr& S) const {return PRBool(Compare(S)!=0);}
PRBool nsString2::operator!=(const char* s) const {return PRBool(Compare(s)!=0);}
PRBool nsString2::operator!=(const PRUnichar* s) const {return PRBool(Compare(s)!=0);}
PRBool nsString2::operator<(const nsString2& S) const {return PRBool(Compare(S)<0);}
PRBool nsString2::operator<(const nsStr& S) const {return PRBool(Compare(S)<0);}
PRBool nsString2::operator<(const char* s) const {return PRBool(Compare(s)<0);}
PRBool nsString2::operator<(const PRUnichar* s) const {return PRBool(Compare(s)<0);}
PRBool nsString2::operator>(const nsString2& S) const {return PRBool(Compare(S)>0);}
PRBool nsString2::operator>(const nsStr& S) const {return PRBool(Compare(S)>0);}
PRBool nsString2::operator>(const char* s) const {return PRBool(Compare(s)>0);}
PRBool nsString2::operator>(const PRUnichar* s) const {return PRBool(Compare(s)>0);}
PRBool nsString2::operator<=(const nsString2& S) const {return PRBool(Compare(S)<=0);}
PRBool nsString2::operator<=(const nsStr& S) const {return PRBool(Compare(S)<=0);}
PRBool nsString2::operator<=(const char* s) const {return PRBool(Compare(s)<=0);}
PRBool nsString2::operator<=(const PRUnichar* s) const {return PRBool(Compare(s)<=0);}
PRBool nsString2::operator>=(const nsString2& S) const {return PRBool(Compare(S)>=0);}
PRBool nsString2::operator>=(const nsStr& S) const {return PRBool(Compare(S)>=0);}
PRBool nsString2::operator>=(const char* s) const {return PRBool(Compare(s)>=0);}
PRBool nsString2::operator>=(const PRUnichar* s) const {return PRBool(Compare(s)>=0);}
PRBool nsString2::EqualsIgnoreCase(const nsString2& aString) const {
return Equals(aString,PR_TRUE);
}
PRBool nsString2::EqualsIgnoreCase(const char* aString,PRInt32 aLength) const {
return Equals(aString,aLength,PR_TRUE);
}
PRBool nsString2::EqualsIgnoreCase(const nsIAtom *aAtom) const {
return Equals(aAtom,PR_TRUE);
}
PRBool nsString2::EqualsIgnoreCase(const PRUnichar* s1, const PRUnichar* s2) const {
return Equals(s1,s2,PR_TRUE);
}
/**
* Compare this to given string; note that we compare full strings here.
*
* @update gess 01/04/99
* @param aString is the other nsString2 to be compared to
* @return TRUE if equal
*/
PRBool nsString2::Equals(const nsString2& aString,PRBool aIgnoreCase) const {
PRInt32 result=nsStr::Compare(*this,aString,MinInt(mLength,aString.mLength),aIgnoreCase);
return PRBool(0==result);
}
/**
* Compare this to given string; note that we compare full strings here.
*
* @update gess 01/04/99
* @param aString is the other nsString2 to be compared to
* @return TRUE if equal
*/
PRBool nsString2::Equals(const nsStr& aString,PRBool aIgnoreCase) const {
PRInt32 result=nsStr::Compare(*this,aString,MinInt(mLength,aString.mLength),aIgnoreCase);
return PRBool(0==result);
}
PRBool nsString2::Equals(const char* aString,PRBool aIgnoreCase) const {
if(aString) {
return Equals(aString,nsCRT::strlen(aString),aIgnoreCase);
}
return 0;
}
/**
* Compare this to given string; note that we compare full strings here.
* The optional length argument just lets us know how long the given string is.
* If you provide a length, it is compared to length of this string as an
* optimization.
*
* @update gess 01/04/99
* @param aCString -- Cstr to compare to this
* @param aLength -- length of given string.
* @return TRUE if equal
*/
PRBool nsString2::Equals(const char* aCString,PRUint32 aCount,PRBool aIgnoreCase) const{
NS_ASSERTION(0!=aCString,kNullPointerError);
PRBool result=PR_FALSE;
if(aCString) {
PRInt32 theAnswer=Compare(aCString,aIgnoreCase,aCount);
result=PRBool(0==theAnswer);
}
return result;
}
PRBool nsString2::Equals(const PRUnichar* aString,PRBool aIgnoreCase) const {
NS_ASSERTION(0!=aString,kNullPointerError);
PRBool result=PR_FALSE;
if(aString) {
result=Equals(aString,nsCRT::strlen(aString),aIgnoreCase);
}
return result;
}
/**
* Compare this to given string; note that we compare full strings here.
* The optional length argument just lets us know how long the given string is.
* If you provide a length, it is compared to length of this string as an
* optimization.
*
* @update gess 01/04/99
* @param aString -- unistring to compare to this
* @param aLength -- length of given string.
* @return TRUE if equal
*/
PRBool nsString2::Equals(const PRUnichar* aString,PRUint32 aCount,PRBool aIgnoreCase) const{
NS_ASSERTION(0!=aString,kNullPointerError);
PRBool result=PR_FALSE;
if(aString){
PRInt32 theAnswer=Compare(aString,aIgnoreCase,aCount);
result=PRBool(0==theAnswer);
}
return result;
}
/**
* Compare this to given string; note that we compare full strings here.
* The optional length argument just lets us know how long the given string is.
* If you provide a length, it is compared to length of this string as an
* optimization.
*
* @update gess 01/04/99
* @param aString -- unistring to compare to this
* @param aLength -- length of given string.
* @return TRUE if equal
*/
PRBool nsString2::Equals(const nsIAtom* aAtom,PRBool aIgnoreCase) const{
NS_ASSERTION(0!=aAtom,kNullPointerError);
PRBool result=PR_FALSE;
if(aAtom){
PRInt32 cmp=nsCRT::strcasecmp(mUStr,aAtom->GetUnicode());
result=PRBool(0==cmp);
}
return result;
}
/**
* Compare given strings
* @update gess 7/27/98
* @param s1 -- first string to be compared
* @param s2 -- second string to be compared
* @return TRUE if equal
*/
PRBool nsString2::Equals(const PRUnichar* s1, const PRUnichar* s2,PRBool aIgnoreCase) const {
NS_ASSERTION(0!=s1,kNullPointerError);
NS_ASSERTION(0!=s2,kNullPointerError);
PRBool result=PR_FALSE;
if((s1) && (s2)){
PRInt32 cmp=(aIgnoreCase) ? nsCRT::strcasecmp(s1,s2) : nsCRT::strcmp(s1,s2);
result=PRBool(0==cmp);
}
return result;
}
/**
* Determine if given char in valid alpha range
*
* @update gess 3/31/98
* @param aChar is character to be tested
* @return TRUE if in alpha range
*/
PRBool nsString2::IsAlpha(PRUnichar aChar) {
// XXX i18n
if (((aChar >= 'A') && (aChar <= 'Z')) || ((aChar >= 'a') && (aChar <= 'z'))) {
return PR_TRUE;
}
return PR_FALSE;
}
/**
* Determine if given char is a valid space character
*
* @update gess 3/31/98
* @param aChar is character to be tested
* @return TRUE if is valid space char
*/
PRBool nsString2::IsSpace(PRUnichar aChar) {
// XXX i18n
if ((aChar == ' ') || (aChar == '\r') || (aChar == '\n') || (aChar == '\t')) {
return PR_TRUE;
}
return PR_FALSE;
}
/**
* Determine if given char is valid digit
*
* @update gess 3/31/98
* @param aChar is character to be tested
* @return TRUE if char is a valid digit
*/
PRBool nsString2::IsDigit(PRUnichar aChar) {
// XXX i18n
return PRBool((aChar >= '0') && (aChar <= '9'));
}
/**************************************************************
Define the string deallocator class...
**************************************************************/
class nsStringDeallocator: public nsDequeFunctor{
public:
virtual void* operator()(void* anObject) {
static nsMemoryAgent theAgent;
nsString2* aString= (nsString2*)anObject;
if(aString){
aString->mAgent=&theAgent;
delete aString;
}
return 0;
}
};
/****************************************************************************
* This class, appropriately enough, creates and recycles nsString2 objects..
****************************************************************************/
class nsStringRecycler {
public:
nsStringRecycler() : mDeque(0) {
}
~nsStringRecycler() {
nsStringDeallocator theDeallocator;
mDeque.ForEach(theDeallocator); //now delete the strings
}
void Recycle(nsString2* aString) {
mDeque.Push(aString);
}
nsString2* CreateString(eCharSize aCharSize){
nsString2* result=(nsString2*)mDeque.Pop();
if(!result)
result=new nsString2(aCharSize);
return result;
}
nsDeque mDeque;
};
void Subsume(nsStr& aDest,nsStr& aSource);
nsStringRecycler& GetRecycler(void);
/**
*
* @update gess 01/04/99
* @param
* @return
*/
nsStringRecycler& GetRecycler(void){
static nsStringRecycler gRecycler;
return gRecycler;
}
/**
* Call this mehod when you're done
* @update gess 01/04/99
* @param
* @return
*/
nsString2* nsString2::CreateString(eCharSize aCharSize){
nsString2* result=GetRecycler().CreateString(aCharSize);
return result;
}
/**
* Call this mehod when you're done
* @update gess 01/04/99
* @param
* @return
*/
void nsString2::Recycle(nsString2* aString){
GetRecycler().Recycle(aString);
}
/**
*
* @update gess 01/04/99
* @param
* @return
*/
void nsString2::DebugDump(ostream& aStream) const {
for(PRUint32 i=0;i<mLength;i++) {
aStream <<mStr[i];
}
aStream << endl;
}
/**
*
* @update gess8/8/98
* @param
* @return
*/
ostream& operator<<(ostream& aStream,const nsString2& aString){
if(eOneByte==aString.mCharSize) {
aStream<<aString.mStr;
}
else{
PRUint32 theOffset=0;
const PRUint32 theBufSize=300;
char theBuf[theBufSize+1];
PRUint32 theCount=0;
PRUint32 theRemains=0;
while(theOffset<aString.mLength){
theRemains=aString.mLength-theOffset;
theCount=(theRemains<theBufSize) ? theRemains : theBufSize;
aString.ToCString(theBuf,theCount+1,theOffset);
theBuf[theCount]=0;
aStream<<theBuf;
theOffset+=theCount;
}
}
return aStream;
}
/**
*
* @update gess 01/04/99
* @param
* @return
*/
NS_COM int fputs(const nsString2& aString, FILE* out)
{
char buf[100];
char* cp = buf;
PRInt32 len = aString.mLength;
if (len >= PRInt32(sizeof(buf))) {
cp = aString.ToNewCString();
} else {
aString.ToCString(cp, len + 1);
}
if(len>0)
::fwrite(cp, 1, len, out);
if (cp != buf) {
delete[] cp;
}
return (int) len;
}
/***********************************************************************
IMPLEMENTATION NOTES: AUTOSTRING...
***********************************************************************/
/**
* Special case constructor, that allows the consumer to provide
* an underlying buffer for performance reasons.
* @param aBuffer points to your buffer
* @param aBufSize defines the size of your buffer
* @param aCurrentLength tells us the current length of the buffer
*/
nsAutoString2::nsAutoString2(eCharSize aCharSize) : nsString2(aCharSize){
nsStr::Initialize(*this,mBuffer,(sizeof(mBuffer)>>aCharSize)-1,0,aCharSize,PR_FALSE);
mAgent=0;
AddNullTerminator(*this);
}
/**
* construct from external buffer and given string
* @param anExtBuffer describes an external buffer
* @param aCString is a ptr to a 1-byte cstr
*/
nsAutoString2::nsAutoString2(nsStr& aStr,const char* aCString) : nsString2(aStr.mCharSize) {
nsStr::Initialize(*this,mBuffer,(sizeof(mBuffer)>>aStr.mCharSize)-1,0,aStr.mCharSize,PR_FALSE);
mAgent=0;
AddNullTerminator(*this);
Assign(aCString);
}
/**
* Copy construct from ascii c-string
* @param aCString is a ptr to a 1-byte cstr
*/
nsAutoString2::nsAutoString2(const char* aCString,eCharSize aCharSize) : nsString2(aCharSize) {
nsStr::Initialize(*this,mBuffer,(sizeof(mBuffer)>>aCharSize)-1,0,aCharSize,PR_FALSE);
mAgent=0;
AddNullTerminator(*this);
Assign(aCString);
}
/**
* Copy construct from ascii c-string
* @param aCString is a ptr to a 1-byte cstr
*/
nsAutoString2::nsAutoString2(char* aCString,PRInt32 aCapacity,eCharSize aCharSize,PRBool assumeOwnership) : nsString2(aCharSize) {
mAgent=0;
if(assumeOwnership && aCString) {
aCapacity = (-1==aCapacity) ? strlen(aCString) : aCapacity-1;
nsStr::Initialize(*this,aCString,aCapacity,aCapacity,eOneByte,PR_TRUE);
AddNullTerminator(*this);
}
else {
nsStr::Initialize(*this,mBuffer,(sizeof(mBuffer)>>aCharSize)-1,0,aCharSize,PR_FALSE);
AddNullTerminator(*this);
Assign(aCString);
}
}
/**
* Copy construct from uni-string
* @param aString is a ptr to a unistr
*/
nsAutoString2::nsAutoString2(const PRUnichar* aString,eCharSize aCharSize) : nsString2(aCharSize) {
mAgent=0;
nsStr::Initialize(*this,mBuffer,(sizeof(mBuffer)>>aCharSize)-1,0,aCharSize,PR_FALSE);
AddNullTerminator(*this);
Assign(aString);
}
/**
* Copy construct from uni-string
* @param aString is a ptr to a unistr
*/
nsAutoString2::nsAutoString2(PRUnichar* aString,PRInt32 aCapacity,eCharSize aCharSize,PRBool assumeOwnership) : nsString2(aCharSize) {
mAgent=0;
if(assumeOwnership && aString) {
aCapacity = (-1==aCapacity) ? nsCRT::strlen(aString) : aCapacity-1;
nsStr::Initialize(*this,(char*)aString,aCapacity,aCapacity,eTwoByte,PR_TRUE);
AddNullTerminator(*this);
}
else {
nsStr::Initialize(*this,mBuffer,(sizeof(mBuffer)>>aCharSize)-1,0,aCharSize,PR_FALSE);
AddNullTerminator(*this);
Assign(aString);
}
}
/**
* Copy construct from an nsString2
* @param
*/
nsAutoString2::nsAutoString2(const nsStr& aString,eCharSize aCharSize) : nsString2(aCharSize) {
mAgent=0;
nsStr::Initialize(*this,mBuffer,(sizeof(mBuffer)>>aCharSize)-1,0,aCharSize,PR_FALSE);
AddNullTerminator(*this);
Assign(aString);
}
/**
* Copy construct from an nsString2
* @param
*/
nsAutoString2::nsAutoString2(const nsAutoString2& aString,eCharSize aCharSize) : nsString2(aCharSize) {
mAgent=0;
nsStr::Initialize(*this,mBuffer,(sizeof(mBuffer)>>aCharSize)-1,0,aCharSize,PR_FALSE);
AddNullTerminator(*this);
Assign(aString);
}
/**
* Copy construct from an nsString2
* @param
*/
nsAutoString2::nsAutoString2(const nsString2& aString,eCharSize aCharSize) : nsString2(aCharSize){
mAgent=0;
nsStr::Initialize(*this,mBuffer,(sizeof(mBuffer)>>aCharSize)-1,0,aCharSize,PR_FALSE);
AddNullTerminator(*this);
Assign(aString);
}
/**
* Copy construct from an nsString2
* @param
*/
nsAutoString2::nsAutoString2(PRUnichar aChar,eCharSize aCharSize) : nsString2(aCharSize){
mAgent=0;
nsStr::Initialize(*this,mBuffer,(sizeof(mBuffer)>>aCharSize)-1,0,aCharSize,PR_FALSE);
AddNullTerminator(*this);
Assign(aChar);
}
/**
* construct from a subsumeable string
* @update gess 1/4/99
* @param reference to a subsumeString
*/
#ifdef AIX
nsAutoString2::nsAutoString2(const nsSubsumeStr& aSubsumeStr) :nsString2(aSubsumeStr.mCharSize) {
mAgent=0;
nsSubsumeStr temp(aSubsumeStr); // a temp is needed for the AIX compiler
Subsume(*this,temp);
#else
nsAutoString2::nsAutoString2( nsSubsumeStr& aSubsumeStr) :nsString2(aSubsumeStr.mCharSize) {
mAgent=0;
Subsume(*this,aSubsumeStr);
#endif // AIX
}
/**
* deconstruct the autstring
* @param
*/
nsAutoString2::~nsAutoString2(){
// bool b=true;
// mStr=0;
}
void nsAutoString2::SizeOf(nsISizeOfHandler* aHandler) const {
aHandler->Add(sizeof(*this));
aHandler->Add(mCapacity << mCharSize);
}
nsSubsumeStr::nsSubsumeStr(nsString2& aString) : nsString2(aString.mCharSize) {
Subsume(*this,aString);
}
nsSubsumeStr::nsSubsumeStr(nsStr& aString) : nsString2(aString.mCharSize) {
Subsume(*this,aString);
}
nsSubsumeStr::nsSubsumeStr(PRUnichar* aString,PRBool assumeOwnership,PRInt32 aLength) : nsString2(eTwoByte) {
mUStr=aString;
mCapacity=mLength=(-1==aLength) ? nsCRT::strlen(aString) : aLength-1;
mOwnsBuffer=assumeOwnership;
}
nsSubsumeStr::nsSubsumeStr(char* aString,PRBool assumeOwnership,PRInt32 aLength) : nsString2(eOneByte) {
mStr=aString;
mCapacity=mLength=(-1==aLength) ? strlen(aString) : aLength-1;
mOwnsBuffer=assumeOwnership;
}
/***********************************************************************
IMPLEMENTATION of nsCAutoString, which is a vanilla string class that
only ever stores 1 byte character strings. Typically you'll use this
class to hold a pointer to a char*, which comes from an nsString.
***********************************************************************/
nsCAutoString::nsCAutoString(const nsString2& aString) : nsAutoString(aString,eOneByte){
}
nsCAutoString::operator const char*() const {
return (const char*)mStr;
}
#ifdef RICKG_DEBUG
/***********************************************************************
IMPLEMENTATION of CStringTester...
***********************************************************************/
CStringTester::CStringTester() {
static const char* kConstructorError = kConstructorError;
static const char* kComparisonError = "Comparision error!";
static const char* kEqualsError = "Equals error!";
eCharSize theSize=eTwoByte;
//begin by testing the constructors...
{
{
nsString2 theString0("foo",theSize); //watch it construct and destruct
}
//Let's test our autoCStrings...
{
nsString2 theString("hello");
nsCAutoString theCStr(theString);
}
{
//this test makes sure that autostrings who assume ownership of a buffer,
//don't also try to copy that buffer onto itself... (was a bug)
char* theStr="hello rick";
nsAutoString2(theStr,5,eOneByte,PR_FALSE);
}
{
nsString2 theString("hello");
nsString2 temp1=theString+" there!";
nsString2 temp2=theString+'!';
nsSubsumeStr temp3=theString+'?';
nsString2 temp4(temp3);
temp1=temp3;
nsAutoString2 temp5("hello");
nsSubsumeStr temp6(temp5);
}
nsString2 theString1(theSize);
nsString2 theString("hello",theSize);
nsString2 theString3(theString,theSize);
nsStr& si=theString;
nsString2 theString4(si,theSize);
PRUint32 theLen=theString3.Length();
//and hey, why not do a few lexo-morphic tests...
theString.ToUpperCase();
theString.ToLowerCase();
//while we're here, let's try truncation and setting the length.
theString3.Truncate(3);
theLen=theString3.Length();
theString.SetCapacity(3);
const char* theBuffer=theString.GetBuffer();
const char* theOther=theBuffer;
{
nsString2 temp(" hello there rick ",theSize);
temp.CompressWhitespace();
}
nsString2 theString5(" hello there rick ",theSize);
theString5.StripChars("reo");
theString5.Trim(" ",PR_TRUE,PR_FALSE);
theString5.StripWhitespace();
nsString2* theString6=theString5.ToNewString();
nsString2::Recycle(theString6);
char* str=theString5.ToNewCString();
delete [] str;
char buffer[100];
theString5.ToCString(buffer,sizeof(buffer)-1);
theOther=theString5.GetBuffer();
}
//try a few numeric conversion routines...
{
nsString2 str1("10000",theSize);
nsString2 str2("hello");
nsString2 str3;
PRInt32 err;
PRInt32 theInt=str1.ToInteger(&err);
theInt=str2.ToInteger(&err);
theInt=str3.ToInteger(&err);
str1="100.100";
float theFloat=str1.ToFloat(&err);
}
//Now test the character accessor methods...
{
nsString2 theString("hello",theSize);
PRUint32 len=theString.Length();
PRUnichar ch;
for(PRUint32 i=0;i<len;i++) {
ch=theString.CharAt(i);
}
ch=theString.First();
ch=theString.Last();
}
//**********************************************
//Now let's test the CONCATENATION operators...
//**********************************************
{
static const char* s1="hello";
static const char* s2="world";
nsString2 a(s1,theSize);
nsString2 b(s2,theSize);
nsString2 temp1(theSize);
temp1=a+b;
nsString2 temp2(theSize);
temp2=a+"world!";
nsString2 temp3(theSize);
temp3=temp2+'!';
temp3+='?';
temp3+="rick!";
temp3+=a;
temp3.Append((float)100.100);
temp3.Append(10000);
}
static const char* temp="hello";
//**********************************************
//Now let's test the ASSIGNMENT operators...
//**********************************************
{
nsString2 str1(theSize);
str1.SetString("abcdefg");
str1.Assign("hello");
str1.Assign('z');
str1='a';
str1="hello again";
nsString2 str2("whats up doc?",theSize);
str1=str2;
}
//**********************************************
//Now let's test the APPEND methods...
//**********************************************
{
{
nsString2 temp("hello",theSize);
temp.Append((float)1.5);
}
nsString2 temp1("hello",theSize);
temp1.Append((float)1.5);
nsString2 temp2("there",theSize);
temp1.Append(temp2);
temp1.Append(" xxx ");
temp1.Append('4');
}
//**********************************************
//Now let's test the SUBSTRING methods...
//**********************************************
{
nsString2 temp1("hello there rick",theSize);
nsString2 temp2(theSize);
temp1.Left(temp2,10);
temp1.Mid(temp2,6,5);
temp1.Right(temp2,4);
}
//**********************************************
//Now let's test the INSERTION methods...
//**********************************************
{
nsString2 temp1("hello rick",theSize);
temp1.Insert("there ",6); //char* insertion
temp1.Insert("?",10); //char insertion
temp1.Insert('*',10); //char insertion
temp1.Insert("xxx",100,100); //this should append.
nsString2 temp2("abcdefghijklmnopqrstuvwxyz",theSize);
temp2.Insert(temp1,10);
temp2.Cut(20,5);
temp2.Cut(100,100); //this should fail.
}
//**********************************************
//Now let's test a few string COMPARISION ops...
//**********************************************
nsString2 temp8("aaaa",theSize);
nsString2 temp8a("AAAA",theSize);
nsString2 temp9("bbbb",theSize);
const char* aaaa="aaaa";
const char* bbbb="bbbb";
//First test the string compare routines...
NS_ASSERTION(0>temp8.Compare(bbbb),kComparisonError);
NS_ASSERTION(0>temp8.Compare(temp9),kComparisonError);
NS_ASSERTION(0<temp9.Compare(temp8),kComparisonError);
NS_ASSERTION(0==temp8.Compare(temp8a,PR_TRUE),kComparisonError);
NS_ASSERTION(0==temp8.Compare(aaaa),kComparisonError);
//Now test the boolean operators...
NS_ASSERTION(temp8==temp8,kComparisonError);
NS_ASSERTION(temp8==aaaa,kComparisonError);
NS_ASSERTION(temp8!=temp9,kComparisonError);
NS_ASSERTION(temp8!=bbbb,kComparisonError);
NS_ASSERTION(((temp8<temp9) && (temp9>=temp8)),kComparisonError);
NS_ASSERTION(((temp9>temp8) && (temp8<=temp9)),kComparisonError);
NS_ASSERTION(temp9>aaaa,kComparisonError);
NS_ASSERTION(temp8<=temp8,kComparisonError);
NS_ASSERTION(temp8<=temp9,kComparisonError);
NS_ASSERTION(temp8<=bbbb,kComparisonError);
NS_ASSERTION(((temp9>=temp8) && (temp8<temp9)),kComparisonError);
NS_ASSERTION(temp9>=temp8,kComparisonError);
NS_ASSERTION(temp9>=aaaa,kComparisonError);
NS_ASSERTION(temp8.Equals(temp8),kEqualsError);
NS_ASSERTION(temp8.Equals(aaaa),kEqualsError);
nsString2 temp10(temp8);
temp10.ToUpperCase();
NS_ASSERTION(temp8.Equals(temp10,PR_TRUE),kEqualsError);
NS_ASSERTION(temp8.Equals("AAAA",PR_TRUE),kEqualsError);
//**********************************************
//Now let's test a few string MANIPULATORS...
//**********************************************
{
nsAutoString2 ab("ab",theSize);
nsString2 abcde("cde",theSize);
nsString2 cut("abcdef",theSize);
cut.Cut(7,10); //this is out of bounds, so ignore...
cut.DebugDump(cout);
cut.Cut(5,2); //cut last chars
cut.DebugDump(cout);
cut.Cut(1,1); //cut first char
cut.DebugDump(cout);
cut.Cut(2,1); //cut one from the middle
cut.DebugDump(cout);
cut="Hello there Rick";
cut.DebugDump(cout);
cut="'\"abcdef\"'";
cut.Trim("'");
cut.DebugDump(cout);
cut.Trim("\"",PR_TRUE,PR_FALSE);
cut.DebugDump(cout);
cut.Trim("\"",PR_FALSE,PR_TRUE);
cut.DebugDump(cout);
cut="abc def\n\n ghi";
cut.StripWhitespace();
cut.DebugDump(cout);
cut="abc def\n\n ghi";
cut.CompressWhitespace();
cut.DebugDump(cout);
}
//**********************************************
//Now let's test the SEARCHING operations...
//**********************************************
{
nsString2 find1("abcdefghijk",theSize);
nsString2 find2("ijk",theSize);
PRInt32 pos=find1.Find("efg");
NS_ASSERTION(pos==4,"Error: Find routine");
pos=find1.Find("EFG",PR_TRUE);
NS_ASSERTION(pos==4,"Error: Find routine");
pos=find1.Find('d');
NS_ASSERTION(pos==3,"Error: Find char routine");
pos=find1.Find(find2);
NS_ASSERTION(pos==8,"Error: Find char routine");
pos=find1.FindCharInSet("12k");
NS_ASSERTION(pos==10,"Error: FindFirstInChar routine");
pos=find1.RFindCharInSet("12k");
NS_ASSERTION(pos==10,"Error: FindLastInChar routine");
pos=find1.RFind("efg");
NS_ASSERTION(pos==4,"Error: RFind routine");
pos=find1.RFind("xxx");
NS_ASSERTION(pos==-1,"Error: RFind routine"); //this should fail
pos=find1.RFind("");
NS_ASSERTION(pos==-1,"Error: RFind routine"); //this too should fail.
pos=find1.RFind('a');
NS_ASSERTION(pos==0,"Error: RFind routine");
pos=find1.BinarySearch('a');
pos=find1.BinarySearch('b');
pos=find1.BinarySearch('c');
pos=find1.BinarySearch('d');
pos=find1.BinarySearch('e');
pos=find1.BinarySearch('f');
pos=find1.BinarySearch('g');
pos=find1.BinarySearch('h');
pos=find1.BinarySearch('i');
pos=find1.BinarySearch('z');
}
{
//now let's try a memory allocation test...
nsString2 temp;
for(int i=0;i<100;i++){
temp+="hello ";
}
int x=5;
}
};
#endif //rickg_debug
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