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gecko-dev/xpcom/ds/nsStringx.cpp

1128 строки
34 KiB
C++
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#include "nsString.h"
#include "nsBufferManager.h"
#include <stdio.h>
#include <stdlib.h>
#include "nsMemory.h"
static const char* kWhitespace="\b\t\r\n ";
void Subsume(nsStringValueImpl<char> &aDest,nsStringValueImpl<char> &aSource){
if(aSource.mBuffer && aSource.mLength) {
#if 0
if(aSource.mOwnsBuffer){
nsStr::Destroy(aDest);
aDest.mStr=aSource.mStr;
aDest.mLength=aSource.mLength;
aDest.mCapacity=aSource.mCapacity;
aDest.mOwnsBuffer=aSource.mOwnsBuffer;
aSource.mOwnsBuffer=PR_FALSE;
aSource.mStr=0;
}
else{
nsStr::StrAssign(aDest,aSource,0,aSource.mLength);
}
#endif
}
else SVTruncate(aDest,0);
}
//******************************************
// Ctor's
//******************************************
nsCString::nsCString() : mStringValue() {
}
//call this to copy construct nsCString
nsCString::nsCString(const nsCString& aString,PRInt32 aLength) : mStringValue() {
SVAppend(mStringValue,aString.mStringValue,aLength,0);
}
//call this to construct from nsString
nsCString::nsCString(const nsString& aString,PRInt32 aLength) : mStringValue() {
SVAppend(mStringValue,aString.mStringValue,aLength,0);
}
//call this version for char*'s....
nsCString::nsCString(const char* aString,PRInt32 aLength) : mStringValue() {
Append(aString,aLength);
}
//call this version for PRUnichar*'s....
nsCString::nsCString(const PRUnichar* aString,PRInt32 aLength) : mStringValue() {
Append(aString,aLength,0);
}
//call this version for a single char of type char...
nsCString::nsCString(nsSubsumeCStr &aSubsumeString) : mStringValue() {
mStringValue=aSubsumeString.mStringValue;
memset(&aSubsumeString.mStringValue,0,sizeof(mStringValue));
}
//call this version for a single char of type char...
nsCString::nsCString(const char aChar) : mStringValue() {
Append(aChar);
}
//call this version for all other ABT versions of readable strings
nsCString::nsCString(const nsAReadableString &aString) : mStringValue() {
Assign(aString);
}
nsCString::~nsCString() {
SVFree(mStringValue);
}
void nsCString::Reinitialize(char* aBuffer,PRUint32 aCapacity,PRInt32 aLength) {
mStringValue.mBuffer=aBuffer;
mStringValue.mCapacity=aCapacity;
mStringValue.mLength=aLength;
mStringValue.mRefCount=1;
}
//******************************************
// Concatenation operators
//******************************************
nsSubsumeCStr nsCString::operator+(const nsCString &aCString) {
nsCString theString(*this);
SVAppend(theString.mStringValue,aCString.mStringValue);
return nsSubsumeCStr(theString);
}
nsSubsumeCStr nsCString::operator+(const char* aString) {
nsCString theTempString(*this);
nsStringValueImpl<char> theTempStrValue(NS_CONST_CAST(char*,aString));
SVAppend(theTempString.mStringValue,theTempStrValue);
return nsSubsumeCStr(theTempString);
}
nsSubsumeCStr nsCString::operator+(char aChar) {
nsCString theTempString(*this);
theTempString.Append(aChar);
return nsSubsumeCStr(theTempString);
}
//******************************************
// Assigment operators
//******************************************
nsCString& nsCString::operator=(const nsCString& aString) {
if(aString.mStringValue.mBuffer!=mStringValue.mBuffer) {
Assign(aString);
}
return *this;
}
nsCString& nsCString::operator=(const nsString &aString) {
Assign(aString);
return *this;
}
nsCString& nsCString::operator=(const char *aString) {
if(mStringValue.mBuffer!=aString) {
nsStringValueImpl<char> theStringValue(NS_CONST_CAST(char*,aString));
SVAssign(mStringValue,theStringValue,theStringValue.mLength,0);
}
return *this;
}
nsCString& nsCString::operator=(const PRUnichar *aString) {
nsStringValueImpl<PRUnichar> theStringValue(NS_CONST_CAST(PRUnichar*,aString));
Assign(aString);
return *this;
}
nsCString& nsCString::operator=(const char aChar) {
Assign(aChar);
return *this;
}
nsCString& nsCString::operator=(const nsSubsumeCStr &aSubsumeString) {
mStringValue=aSubsumeString.mStringValue;
memset((void*)&aSubsumeString.mStringValue,0,sizeof(mStringValue));
return *this;
}
//******************************************
// Here are the accessor methods...
//******************************************
nsresult nsCString::SetCapacity(PRUint32 aCapacity) {
if(aCapacity>mStringValue.mCapacity) {
SVRealloc(mStringValue,aCapacity);
}
return NS_OK;
}
// operator const char* const() {return mStringValue.mBuffer;}
PRBool nsCString::SetCharAt(char aChar,PRUint32 anIndex) {
PRBool result=PR_FALSE;
if(anIndex<mStringValue.mLength){
mStringValue.mBuffer[anIndex]=(char)aChar;
result=PR_TRUE;
}
return result;
}
//******************************************
// Here are the Assignment methods,
// and other mutators...
//******************************************
nsresult nsCString::Truncate(PRUint32 anOffset) {
SVTruncate(mStringValue,anOffset);
return NS_OK;
}
/*
* This method assign from nsCString
*
* @update rickg 03.01.2000
* @param aString -- source String to be inserted into this
* @param aLength -- number of chars to be copied from aCopy
* @param aSrcOffset -- insertion position within this str
* @return this
*/
nsresult nsCString::Assign(const nsCString& aString,PRInt32 aLength,PRUint32 aSrcOffset) {
nsresult result=SVAssign(mStringValue,aString.mStringValue,aLength,aSrcOffset);
return result;
}
/*
* This method assign from nsCString
*
* @update rickg 03.01.2000
* @param aString -- source String to be inserted into this
* @param aLength -- number of chars to be copied from aCopy
* @param aSrcOffset -- insertion position within this str
* @return this
*/
nsresult nsCString::Assign(const nsString& aString,PRInt32 aLength,PRUint32 aSrcOffset) {
nsresult result=SVAssign(mStringValue,aString.mStringValue,aLength,aSrcOffset);
return result;
}
/*
* This method assign from PRUnichar*
*
* @update rickg 03.01.2000
* @param aString -- source String to be inserted into this
* @param aLength -- number of chars to be copied from aCopy
* @param aSrcOffset -- insertion position within this str
* @return this
*/
nsresult nsCString::Assign(const PRUnichar* aString,PRInt32 aLength,PRUint32 aSrcOffset) {
Truncate();
return Append(aString,aLength,aSrcOffset);
}
/*
* This method assign from char*
*
* @update rickg 03.01.2000
* @param aString -- source String to be inserted into this
* @param aLength -- number of chars to be copied from aCopy
* @param aSrcOffset -- insertion position within this str
* @return this
*/
nsresult nsCString::Assign(const char* aString,PRInt32 aLength,PRUint32 aSrcOffset) {
nsresult result=NS_OK;
if(mStringValue.mBuffer!=aString){
Truncate();
result=Append(aString,aLength,aSrcOffset);
}
return result;
}
/*
* This method assign from nsAReadable
*
* @update rickg 03.01.2000
* @param aString -- source String to be inserted into this
* @param aLength -- number of chars to be copied from aCopy
* @param aSrcOffset -- insertion position within this str
* @return this
*/
nsresult nsCString::Assign(const nsAReadableString &aString,PRInt32 aLength,PRUint32 aSrcOffset) {
Truncate();
return SVAppendReadable(mStringValue,aString,aLength,aSrcOffset);
}
//assign from a char
nsresult nsCString::Assign(char aChar) {
Truncate();
return Append(aChar);
}
//***************************************
// Here come the append methods...
//***************************************
nsresult Append(const nsStringValueImpl<char> &aString,PRInt32 aLength,PRUint32 aSrcOffset) {
return NS_OK;
}
/*
* This method appends an nsCString
*
* @update rickg 03.01.2000
* @param aString -- source String to be inserted into this
* @param aLength -- number of chars to be copied from aCopy
* @param aSrcOffset -- insertion position within this str
* @return this
*/
nsresult nsCString::Append(const nsCString &aString,PRInt32 aLength,PRUint32 aSrcOffset) {
return SVAppend (mStringValue,aString.mStringValue,aLength,aSrcOffset);
}
/*
* This method appends an nsString
*
* @update rickg 03.01.2000
* @param aString -- source String to be inserted into this
* @param aLength -- number of chars to be copied from aCopy
* @param aSrcOffset -- insertion position within this str
* @return this
*/
nsresult nsCString::Append(const nsString &aString,PRInt32 aLength,PRUint32 aSrcOffset) {
return SVAppend(mStringValue,aString.mStringValue,aString.mStringValue.mLength,aSrcOffset);
}
//append from a char*
nsresult nsCString::Append(const char* aString,PRInt32 aLength,PRUint32 aSrcOffset) {
nsresult result=NS_OK;
if(aString) {
nsStringValueImpl<char> theStringValue(NS_CONST_CAST(char*,aString),aLength);
result=SVAppend(mStringValue,theStringValue,aLength,aSrcOffset);
}
return result;
}
//append from a char
nsresult nsCString::Append(const char aChar) {
if(mStringValue.mLength==mStringValue.mCapacity) {
SVRealloc(mStringValue,mStringValue.mCapacity+5);
}
if(mStringValue.mLength<mStringValue.mCapacity) {
//an optimized code path when our buffer can easily contain the given char...
mStringValue.mBuffer[mStringValue.mLength++]=aChar;
mStringValue.mBuffer[mStringValue.mLength]=0;
}
return NS_OK;
}
//append from a PRUnichar
nsresult nsCString::Append(const PRUnichar aChar) {
if(mStringValue.mLength<mStringValue.mCapacity) {
//an optimized code path when our buffer can easily contain the given char...
if(aChar<256) {
mStringValue.mBuffer[mStringValue.mLength++]=(unsigned char)aChar;
}
else {
mStringValue.mBuffer[mStringValue.mLength++]='.'; //XXX HACK!
}
mStringValue.mBuffer[mStringValue.mLength]=0;
return NS_OK;
}
PRUnichar theBuffer[]={aChar,0};
nsStringValueImpl<PRUnichar> theStringValue(theBuffer,1);
return SVAppend(mStringValue,theStringValue,1,0);
}
//append from a PRUnichar*
nsresult nsCString::Append(const PRUnichar* aString,PRInt32 aLength,PRUint32 aSrcOffset) {
nsresult result=NS_OK;
if(aString) {
nsStringValueImpl<PRUnichar> theStringValue(NS_CONST_CAST(PRUnichar*,aString),aLength);
result=SVAppend(mStringValue,theStringValue,aLength,aSrcOffset);
}
return result;
}
//append from an nsAReadableString (the ABT)
nsresult nsCString::Append(const nsAReadableString &aString,PRInt32 aLength,PRUint32 aSrcOffset) {
return SVAppendReadable(mStringValue,aString,aLength,aSrcOffset);
}
//append an integer
nsresult nsCString::Append(PRInt32 anInteger,PRInt32 aRadix) {
nsresult result=NS_OK;
PRUint32 theInt=(PRUint32)anInteger;
char buf[]={'0',0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
PRInt32 radices[] = {1000000000,268435456};
PRInt32 mask1=radices[16==aRadix];
PRInt32 charpos=0;
if(anInteger<0) {
theInt*=-1;
if(10==aRadix) {
buf[charpos++]='-';
}
else theInt=(int)~(theInt-1);
}
PRBool isfirst=PR_TRUE;
while(mask1>=1) {
PRInt32 theDiv=theInt/mask1;
if((theDiv) || (!isfirst)) {
buf[charpos++]="0123456789abcdef"[theDiv];
isfirst=PR_FALSE;
}
theInt-=theDiv*mask1;
mask1/=aRadix;
}
return Append(buf);
return result;
}
//Append a float
nsresult nsCString::Append(float aFloat) {
nsresult result=NS_OK;
char buf[40];
sprintf(buf,"%g",aFloat);
Append(buf);
return result;
}
//***************************************
// Here come a few deletion methods...
//***************************************
nsresult nsCString::Cut(PRUint32 anOffset,PRInt32 aCount) {
return (0<aCount) ? SVDelete(mStringValue,anOffset,aCount) : NS_OK;
}
nsresult nsCString::Trim(const char* aTrimSet,PRBool aEliminateLeading,PRBool aEliminateTrailing,PRBool aIgnoreQuotes) {
return SVTrim(mStringValue,aTrimSet,aEliminateLeading,aEliminateTrailing);
}
/**
* This method strips chars in given set from string.
* You can control whether chars are yanked from
* start and end of string as well.
*
* @update rickg 03.01.2000
* @param aEliminateLeading controls stripping of leading ws
* @param aEliminateTrailing controls stripping of trailing ws
* @return this
*/
nsresult nsCString::CompressSet(const char* aSet, char aChar,PRBool aEliminateLeading,PRBool aEliminateTrailing){
return SVCompressSet(mStringValue,aSet,aChar,aEliminateLeading,aEliminateTrailing);
}
/**
* This method strips whitespace from string.
* You can control whether whitespace is yanked from
* start and end of string as well.
*
* @update rickg 03.01.2000
* @param aEliminateLeading controls stripping of leading ws
* @param aEliminateTrailing controls stripping of trailing ws
* @return this
*/
nsresult nsCString::CompressWhitespace( PRBool aEliminateLeading,PRBool aEliminateTrailing){
return CompressSet(kWhitespace,' ',aEliminateLeading,aEliminateTrailing);
}
//***************************************
// Here come a wad of insert methods...
//***************************************
nsresult nsCString::Insert(const nsCString& aString,PRUint32 anOffset,PRInt32 aCount) {
return SVInsert(mStringValue,anOffset,aString.mStringValue,aCount,anOffset);
}
/**
* Insert a char* into this string at a specified offset.
*
* @update rickg 03.01.2000
* @param char* aCString to be inserted into this string
* @param anOffset is insert pos in str
* @param aLength -- length of given buffer or -1 if you want me to compute length.
* NOTE: IFF you pass -1 as aCount, then your buffer must be null terminated.
*
* @return this
*/
nsresult nsCString::Insert(const char* aString,PRUint32 anOffset,PRInt32 aLength){
nsresult result=NS_OK;
if(aString){
nsStringValueImpl<char> theStringValue(NS_CONST_CAST(char*,aString),aLength);
if(0<theStringValue.mLength){
result=SVInsert(mStringValue,anOffset,theStringValue,theStringValue.mLength,0);
}
}
return result;
}
/**
* Insert a single uni-char into this string at
* a specified offset.
*
* @update rickg 03.01.2000
* @param aChar char to be inserted into this string
* @param anOffset is insert pos in str
* @return this
*/
nsresult nsCString::Insert(char aChar,PRUint32 anOffset){
char theBuffer[]={aChar,0};
nsStringValueImpl<char> theStringValue(theBuffer,1);
return SVInsert(mStringValue,anOffset,theStringValue,1,0);
}
//*******************************************
// Here come inplace replacement methods...
//*******************************************
/**
* swaps occurence of 1 char for another
*
* @return this
*/
nsresult nsCString::ReplaceChar(char anOldChar,char aNewChar){
char *root_cp=mStringValue.mBuffer;
char *null_cp=root_cp+mStringValue.mLength;
while(root_cp<null_cp) {
if(*root_cp==anOldChar) {
*root_cp=aNewChar;
}
root_cp++;
}
return NS_OK;
}
nsresult nsCString::ReplaceChar(const char* aSet,char aNewChar){
return SVReplaceCharsInSet(mStringValue,aSet,aNewChar,mStringValue.mLength,0);
}
nsresult nsCString::ReplaceSubstring( const nsCString& aTarget,const nsCString& aNewValue){
return SVReplace(mStringValue,aTarget.mStringValue,aNewValue.mStringValue,mStringValue.mLength,0);
}
nsresult nsCString::ReplaceSubstring(const char* aTarget,const char* aNewValue) {
nsresult result=NS_OK;
const nsStringValueImpl<char> theTarget(NS_CONST_CAST(char*,aTarget));
const nsStringValueImpl<char> theNewValue(NS_CONST_CAST(char*,aNewValue));
return SVReplace(mStringValue,theTarget,theNewValue,mStringValue.mLength,0);
}
//*******************************************
// Here come the stripchar methods...
//*******************************************
/**
* This method is used to remove all occurances of the
* given character from this string.
*
* @update rickg 03.01.2000
* @param aChar -- char to be stripped
* @param anOffset -- where in this string to start stripping chars
* @return *this
*/
nsresult nsCString::StripChar(char aChar,PRUint32 anOffset){
return SVStripChar(mStringValue,aChar,mStringValue.mLength,anOffset);
}
/**
* This method is used to remove all occurances of the
* given character from this string.
*
* @update rickg 03.01.2000
* @param aChar -- char to be stripped
* @param anOffset -- where in this string to start stripping chars
* @return *this
*/
nsresult nsCString::StripChar(PRInt32 anInt,PRUint32 anOffset){
return SVStripChar(mStringValue,(char)anInt,mStringValue.mLength,anOffset);
}
/**
* This method is used to remove all occurances of the
* characters found in aSet from this string.
*
* @update rickg 03.01.2000
* @param aSet -- characters to be cut from this
* @return *this
*/
nsresult nsCString::StripChars(const char* aSet,PRInt32 aLength){
nsStringValueImpl<char> theSet(NS_CONST_CAST(char*,aSet),aLength);
return SVStripCharsInSet(mStringValue,aSet,mStringValue.mLength,0);
}
/**
* This method strips whitespace throughout the string
*
* @update rickg 03.01.2000
* @return this
*/
nsresult nsCString::StripWhitespace() {
static const char* kWhitespace="\b\t\r\n ";
return StripChars(kWhitespace);
}
//**************************************************
// Here are some methods that extract substrings...
//**************************************************
nsresult nsCString::Left(nsCString& aCopy,PRInt32 aCount) const {
aCount = (aCount<0) ? mStringValue.mLength : (aCount<(PRInt32)mStringValue.mLength) ? aCount : mStringValue.mLength;
return aCopy.Assign(*this,aCount,0);
}
nsresult nsCString::Mid(nsCString& aCopy,PRUint32 anOffset,PRInt32 aCount) const {
aCount = (aCount<0) ? mStringValue.mLength : (aCount<(PRInt32)mStringValue.mLength) ? aCount : mStringValue.mLength;
return aCopy.Assign(*this,aCount,anOffset);
}
nsresult nsCString::Right(nsCString& aCopy,PRInt32 aCount) const {
PRUint32 theLen=mStringValue.mLength-aCount;
PRInt32 offset=(theLen<0) ? 0 : theLen;
return Mid(aCopy,offset,aCount);
}
//*******************************************
// Here come the operator+=() methods...
//*******************************************
nsCString& nsCString::operator+=(const char* aString) {
Append(aString);
return *this;
}
nsCString& nsCString::operator+=(const PRUnichar* aString) {
Append(aString);
return *this;
}
nsCString& nsCString::operator+=(const nsCString& aCString) {
Append(aCString);
return *this;
}
nsCString& nsCString::operator+=(const char aChar) {
char theBuffer[]={aChar,0};
Append(theBuffer,1);
return *this;
}
nsCString& nsCString::operator+=(const PRUnichar aChar) {
PRUnichar theBuffer[]={aChar,0};
Append(theBuffer,1);
return *this;
}
nsCString& nsCString::operator+=(const int anInt){
Append(anInt,10);
return *this;
}
void nsCString::ToLowerCase() {
SVToLowerCase(mStringValue);
}
void nsCString::ToLowerCase(nsCString &aString) const {
aString=*this;
aString.ToLowerCase();
}
void nsCString::ToUpperCase() {
SVToUpperCase(mStringValue);
}
void nsCString::ToUpperCase(nsCString &aString) const {
aString=*this;
aString.ToUpperCase();
}
PRInt32 nsCString::Compare(const nsCString &aString,PRBool aIgnoreCase,PRInt32 aCount) const {
return SVCompareChars(mStringValue,aString.mStringValue,aIgnoreCase,aCount);
}
PRInt32 nsCString::Compare(const char* aString,PRBool aIgnoreCase,PRInt32 aCount) const {
nsStringValueImpl<char> theStringValue(NS_CONST_CAST(char*,aString),aCount);
return SVCompareChars(mStringValue,theStringValue,aIgnoreCase,aCount);
}
PRInt32 nsCString::Compare(const PRUnichar* aString,PRBool aIgnoreCase,PRInt32 aCount) const {
nsStringValueImpl<PRUnichar> theStringValue(NS_CONST_CAST(PRUnichar*,aString),aCount);
return SVCompare(mStringValue,theStringValue,aIgnoreCase,aCount);
}
PRBool nsCString::Equals(const nsString &aString,PRBool aIgnoreCase,PRInt32 aCount) const {
return PRBool(0==SVCompare(mStringValue,aString.mStringValue,aIgnoreCase,aCount));
}
PRBool nsCString::Equals(const nsCString &aString,PRBool aIgnoreCase,PRInt32 aCount) const {
PRInt32 result=SVCompareChars(mStringValue,aString.mStringValue,aIgnoreCase,aCount);
return PRBool(0==result);
}
PRBool nsCString::Equals(const char* aString,PRBool aIgnoreCase,PRInt32 aCount) const {
nsStringValueImpl<char> theStringValue(NS_CONST_CAST(char*,aString),aCount);
return PRBool(0==SVCompareChars(mStringValue,theStringValue,aIgnoreCase,aCount));
}
PRBool nsCString::Equals(const PRUnichar* aString,PRBool aIgnoreCase,PRInt32 aCount) const {
nsStringValueImpl<PRUnichar> theStringValue(NS_CONST_CAST(PRUnichar*,aString),aCount);
return PRBool(0==SVCompare(mStringValue,theStringValue,aIgnoreCase,aCount));
}
PRBool nsCString::Equals(/*FIX: const */nsIAtom* anAtom,PRBool aIgnoreCase) const {
return PR_TRUE;
}
/***************************************
These are string searching methods...
***************************************/
/**
* search for given string within this string
*
* @update rickg 03.01.2000
* @param aString - substr to be found
* @param aIgnoreCase tells us whether or not to do caseless compare
* @param anOffset tells us where in this string to start searching
* @param aRepCount tells us how many iterations to make starting at the given offset
* @return offset in string, or -1 (kNotFound)
*/
PRInt32 nsCString::Find(const nsString& aTarget,PRBool aIgnoreCase,PRUint32 anOffset,PRInt32 aRepCount) const {
return SVFind(mStringValue,aTarget.mStringValue,aIgnoreCase,aRepCount,anOffset);
}
/**
* search for given string within this string
*
* @update rickg 03.01.2000
* @param aString - substr to be found
* @param aIgnoreCase tells us whether or not to do caseless compare
* @param anOffset tells us where in this string to start searching
* @param aRepCount tells us how many iterations to make starting at the given offset
* @return offset in string, or -1 (kNotFound)
*/
PRInt32 nsCString::Find(const nsCString &aString,PRBool aIgnoreCase,PRUint32 anOffset,PRInt32 aRepCount) const {
return SVFind(mStringValue,aString.mStringValue,aIgnoreCase,aRepCount,anOffset);
}
/**
* search for given string within this char* string
*
* @update rickg 03.01.2000
* @param aString - substr to be found
* @param aIgnoreCase tells us whether or not to do caseless compare
* @param anOffset tells us where in this string to start searching
* @param aRepCount tells us how many iterations to make starting at the given offset
* @return offset in string, or -1 (kNotFound)
*/
PRInt32 nsCString::Find(const char* aString,PRBool aIgnoreCase,PRUint32 anOffset,PRInt32 aRepCount) const {
nsStringValueImpl<char> theString(NS_CONST_CAST(char*,aString));
return SVFind(mStringValue,theString,aIgnoreCase,aRepCount,anOffset);
}
/**
* search for given string within this PRUnichar* string
*
* @update rickg 03.01.2000
* @param aString - substr to be found
* @param aIgnoreCase tells us whether or not to do caseless compare
* @param anOffset tells us where in this string to start searching
* @param aRepCount tells us how many iterations to make starting at the given offset
* @return offset in string, or -1 (kNotFound)
*/
PRInt32 nsCString::Find(const PRUnichar* aString,PRBool aIgnoreCase,PRUint32 anOffset,PRInt32 aRepCount) const {
nsStringValueImpl<PRUnichar> theString(NS_CONST_CAST(PRUnichar*,aString));
return SVFind(mStringValue,theString,aIgnoreCase,aRepCount,anOffset);
}
/**
* This method finds the offset of the first char in this string that is
* a member of the given charset, starting the search at anOffset
*
* @update rickg 03.01.2000
* @param aString contains set of chars to be found
* @param anOffset -- where in this string to start searching
* @return
*/
PRInt32 nsCString::FindCharInSet(const nsCString& aString,PRUint32 anOffset) const{
return SVFindCharInSet(mStringValue,aString.mStringValue,PR_FALSE,mStringValue.mLength,anOffset);
}
/**
* This method finds the offset of the first char in this string that is
* a member of the given charset, starting the search at anOffset
*
* @update rickg 03.01.2000
* @param aString contains set of chars to be found
* @param anOffset -- where in this string to start searching
* @return
*/
PRInt32 nsCString::FindCharInSet(const char *aString,PRUint32 anOffset) const{
nsStringValueImpl<char> theStringValue(NS_CONST_CAST(char*,aString));
return SVFindCharInSet(mStringValue,theStringValue,PR_FALSE,mStringValue.mLength,anOffset);
}
/**
* Search for a given char, starting at given offset
*
* @update rickg 03.01.2000
* @param aChar is the unichar to be sought
* @param aIgnoreCase tells us whether or not to do caseless compare
* @param anOffset tells us where in this string to start searching
* @param aCount tells us how many iterations to make starting at the given offset
* @return offset in string, or -1 (kNotFound)
*/
PRInt32 nsCString::FindChar(char aChar,PRBool aIgnoreCase,PRInt32 anOffset,PRInt32 aCount) const {
return SVFindChar(mStringValue,aChar,aIgnoreCase,aCount,anOffset);
}
/**
* Reverse search for given char within this string
*
* @update gess 3/25/98
* @param aChar - char to be found
* @param aIgnoreCase tells us whether or not to do caseless compare
* @param anOffset tells us where in this string to start searching (-1 means start at end)
* @param aRepCount tells us how many iterations to make starting at the given offset
* @return offset in string, or -1 (kNotFound)
*/
PRInt32 nsCString::RFindChar(char aChar,PRBool aIgnoreCase,PRInt32 anOffset,PRInt32 aRepCount) const{
return SVRFindChar(mStringValue,aChar,aIgnoreCase,aRepCount,anOffset);
}
PRInt32 nsCString::RFind(const char* aString,PRBool aIgnoreCase,PRInt32 anOffset,PRInt32 aRepCount) const{
nsStringValueImpl<char> theStringValue(NS_CONST_CAST(char*,aString));
return SVRFind(mStringValue,theStringValue,aIgnoreCase,aRepCount,anOffset);
}
/**
* This method finds (in reverse) the offset of the first char in this string that is
* a member of the given charset, starting the search at anOffset
*
* @update rickg 03.01.2000
* @param aString contains set of chars to be found
* @param anOffset -- where in this string to start searching
* @return
*/
PRInt32 nsCString::RFindCharInSet(const nsCString& aString,PRInt32 anOffset) const {
return SVRFindCharInSet(mStringValue,aString.mStringValue,PR_FALSE,mStringValue.mLength,anOffset);
}
/**
* This method finds (in reverse) the offset of the first char in this string that is
* a member of the given charset, starting the search at anOffset
*
* @update rickg 03.01.2000
* @param aString contains set of chars to be found
* @param anOffset -- where in this string to start searching
* @return
*/
PRInt32 nsCString::RFindCharInSet(const char* aString,PRInt32 anOffset) const{
nsStringValueImpl<char> theStringValue(NS_CONST_CAST(char*,aString));
return SVRFindCharInSet(mStringValue,theStringValue,PR_FALSE,mStringValue.mLength,anOffset);
}
/***************************************
These convert to a different type
***************************************/
void nsCString::Recycle(nsCString* aString) {
//NOT IMPLEMENTED
}
nsCString* nsCString::CreateString(void) {
return 0; //NOT IMPLEMENTED
}
/**
* This method constructs a new nsString is a clone of this string.
*/
nsCString* nsCString::ToNewString() const {
return 0; //NOT IMPLEMENTED
}
char* nsCString::ToNewCString() const {
return 0; //NOT IMPLEMENTED
}
char* nsCString::ToNewUTF8String() const {
return 0; //NOT IMPLEMENTED
}
PRUnichar* nsCString::ToNewUnicode() const {
return 0; //NOT IMPLEMENTED
}
char* nsCString::ToCString(char* aBuf,PRUint32 aBufLength,PRUint32 anOffset) const {
int len=(mStringValue.mLength<aBufLength) ? mStringValue.mLength : aBufLength;
SVCopyBuffer_(aBuf,mStringValue.mBuffer,len);
aBuf[len]=0;
return aBuf;
}
PRInt32 nsCString::CountChar(char aChar) {
return SVCountChar(mStringValue,aChar);
}
//******************************************
// Utility methods...
//******************************************
//This will not work correctly for any unicode set other than ascii
void nsCString::DebugDump(void) const {
SVDebugDump(mStringValue);
}
/**
* Perform string to float conversion.
* @param aErrorCode will contain error if one occurs
* @return float rep of string value
*/
float nsCString::ToFloat(PRInt32* aErrorCode) const {
char buf[100];
if (mStringValue.mLength > PRInt32(sizeof(buf)-1)) {
*aErrorCode = (PRInt32) NS_ERROR_ILLEGAL_VALUE;
return 0.0f;
}
char* cp = ToCString(buf, sizeof(buf));
float f = (float) strtod(cp, &cp);
if (*cp != 0) {
*aErrorCode = (PRInt32) NS_ERROR_ILLEGAL_VALUE;
}
*aErrorCode = (PRInt32) NS_OK;
return f;
}
/**
* Perform string to int conversion.
* @param aErrorCode will contain error if one occurs
* @param aRadix tells us which radix to assume; kAutoDetect tells us to determine the radix for you.
* @return int rep of string value, and possible (out) error code
*/
PRInt32 nsCString::ToInteger(PRInt32* anErrorCode,PRUint32 aRadix) const{
return SVToInteger(mStringValue,anErrorCode,aRadix);
}
/*****************************************************************
Now we define the nsSubsumeCStr class
*****************************************************************/
nsSubsumeCStr::nsSubsumeCStr(nsCString& aString) : nsCString() {
mStringValue=aString.mStringValue;
mOwnsBuffer=PR_TRUE;
aString.mStringValue.mBuffer=0;
aString.mStringValue.mRefCount=0;
}
nsSubsumeCStr::nsSubsumeCStr(char* aString,PRBool assumeOwnership,PRInt32 aLength) : nsCString() {
mStringValue.mBuffer=aString;
mStringValue.mCapacity=mStringValue.mLength=(-1==aLength) ? stringlen(aString) : aLength;
mOwnsBuffer=assumeOwnership;
}
/**
*
* @update gess 01/04/99
* @param
* @return
*/
NS_COM int fputs(const nsCString& aString, FILE* out)
{
char buf[100];
char* cp = buf;
PRInt32 len = aString.Length();
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;
}
PRUint32 HashCode(const nsCString& aDest) {
PRUint32 result=0;
// return (PRUint32)PL_HashString((const void*) aDest.GetBuffer());
return result;
}
void Recycle( char* aBuffer) {
nsMemory::Free(aBuffer);
}
/*****************************************************************
Now we declare the nsCAutoString class
*****************************************************************/
nsCAutoString::nsCAutoString() : nsCString() {
mInternalBuffer[0]=0;
mStringValue.mCapacity=kDefaultStringSize;
mStringValue.mBuffer=mInternalBuffer;
mStringValue.mRefCount=2;
}
//call this version nsAutoString derivatives...
nsCAutoString::nsCAutoString(const nsCAutoString& aString,PRInt32 aLength) : nsCString() {
mInternalBuffer[0]=0;
mStringValue.mCapacity=kDefaultStringSize;
mStringValue.mBuffer=mInternalBuffer;
mStringValue.mRefCount=2;
nsCString::Assign(aString,aLength,0);
}
//call this version for nsCString,nsCString and the autostrings
nsCAutoString::nsCAutoString(const nsCString& aString,PRInt32 aLength) : nsCString() {
mInternalBuffer[0]=0;
mStringValue.mCapacity=kDefaultStringSize;
mStringValue.mBuffer=mInternalBuffer;
mStringValue.mRefCount=2;
nsCString::Assign(aString,aLength,0);
}
//call this version for char*'s....
nsCAutoString::nsCAutoString(const char* aString,PRInt32 aLength) : nsCString() {
mInternalBuffer[0]=0;
mStringValue.mCapacity=kDefaultStringSize;
mStringValue.mBuffer=mInternalBuffer;
mStringValue.mRefCount=2;
nsCString::Assign(aString,aLength,0);
}
//call this version for a single char of type char...
nsCAutoString::nsCAutoString(const char aChar) : nsCString() {
mInternalBuffer[0]=0;
mStringValue.mCapacity=kDefaultStringSize;
mStringValue.mBuffer=mInternalBuffer;
mStringValue.mRefCount=2;
nsCString::Assign(aChar);
}
//call this version for PRUnichar*'s....
nsCAutoString::nsCAutoString(const PRUnichar* aString,PRInt32 aLength) : nsCString() {
mInternalBuffer[0]=0;
mStringValue.mCapacity=kDefaultStringSize;
mStringValue.mBuffer=mInternalBuffer;
mStringValue.mRefCount=2;
nsCString::Assign(aString,aLength);
}
//call this version for all other ABT versions of readable strings
nsCAutoString::nsCAutoString(const nsAReadableString &aString) : nsCString() {
mInternalBuffer[0]=0;
mStringValue.mCapacity=kDefaultStringSize;
mStringValue.mBuffer=mInternalBuffer;
mStringValue.mRefCount=2;
nsCString::Assign(aString);
}
nsCAutoString::nsCAutoString(const CBufDescriptor &aBuffer) : nsCString() {
mInternalBuffer[0]=0;
mStringValue.mBuffer=aBuffer.mBuffer;
mStringValue.mCapacity=aBuffer.mCapacity;
mStringValue.mLength=aBuffer.mLength;
mStringValue.mRefCount=(aBuffer.mOwnsBuffer) ? 1 : 2;
}
nsCAutoString::nsCAutoString(const nsSubsumeCStr& aSubsumeString) : nsCString() {
mInternalBuffer[0]=0;
mStringValue=aSubsumeString.mStringValue;
memset((void*)&aSubsumeString.mStringValue,0,sizeof(mStringValue));
}
nsCAutoString::~nsCAutoString() {
}
nsCAutoString& nsCAutoString::operator=(const nsCAutoString& aString) {
nsCString::operator=(aString);
return *this;
}
nsCAutoString& nsCAutoString::operator=(const nsCString& aString) {
nsCString::operator=(aString);
return *this;
}
nsCAutoString& nsCAutoString::operator=(const char* aString) {
nsCString::operator=(aString);
return *this;
}
nsCAutoString& nsCAutoString::operator=(const PRUnichar* aString) {
nsCString::operator=(aString);
return *this;
}
nsCAutoString& nsCAutoString::operator=(const char aChar) {
nsCString::operator=(aChar);
return *this;
}
nsCAutoString& nsCAutoString::operator=(const nsSubsumeCStr &aSubsumeString) {
nsCString::operator=(aSubsumeString);
return *this;
}
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