added Append(unichar)

This commit is contained in:
rickg 1998-04-25 19:44:35 +00:00
parent 3af5e0736e
commit 7cd013ca7c
8 changed files with 168 additions and 0 deletions

View File

@ -965,6 +965,47 @@ PRInt32 nsString::Insert(nsString& aCopy,PRInt32 anOffset,PRInt32 aCount) {
return aCount;
}
/**
* 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
*/
PRInt32 nsString::Insert(PRUnichar aChar,PRInt32 anOffset){
//1st optimization: If you're inserting at end, then simply append!
if(anOffset<mLength){
if(mLength+1> mCapacity) {
EnsureCapacityFor(mLength+1);
}
PRUnichar* last = mStr + mLength;
PRUnichar* first = mStr + anOffset-1;
PRUnichar* next = mStr + mLength + 1;
//Copy rightmost chars, up to offset+aCount...
while(first<last) {
char ch1=char(*last);
char ch2=char(*next);
*next=*last;
next--;
last--;
}
//now insert new chars, starting at offset
mStr[anOffset]=aChar;
mLength+=1;
}
else Append(aChar);
return 1;
}
/**-------------------------------------------------------
* This method is used to cut characters in this string
* starting at anOffset, continuing for aCount chars.

View File

@ -121,6 +121,7 @@ class NS_BASE nsString {
PRInt32 Mid(nsString& aCopy,PRInt32 anOffset,PRInt32 aCount);
PRInt32 Right(nsString& aCopy,PRInt32 aCount);
PRInt32 Insert(nsString& aCopy,PRInt32 anOffset,PRInt32 aCount=-1);
PRInt32 Insert(PRUnichar aChar,PRInt32 anOffset);
nsString& Cut(PRInt32 anOffset,PRInt32 aCount);
nsString& StripChars(const char* aSet);

View File

@ -965,6 +965,47 @@ PRInt32 nsString::Insert(nsString& aCopy,PRInt32 anOffset,PRInt32 aCount) {
return aCount;
}
/**
* 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
*/
PRInt32 nsString::Insert(PRUnichar aChar,PRInt32 anOffset){
//1st optimization: If you're inserting at end, then simply append!
if(anOffset<mLength){
if(mLength+1> mCapacity) {
EnsureCapacityFor(mLength+1);
}
PRUnichar* last = mStr + mLength;
PRUnichar* first = mStr + anOffset-1;
PRUnichar* next = mStr + mLength + 1;
//Copy rightmost chars, up to offset+aCount...
while(first<last) {
char ch1=char(*last);
char ch2=char(*next);
*next=*last;
next--;
last--;
}
//now insert new chars, starting at offset
mStr[anOffset]=aChar;
mLength+=1;
}
else Append(aChar);
return 1;
}
/**-------------------------------------------------------
* This method is used to cut characters in this string
* starting at anOffset, continuing for aCount chars.

View File

@ -121,6 +121,7 @@ class NS_BASE nsString {
PRInt32 Mid(nsString& aCopy,PRInt32 anOffset,PRInt32 aCount);
PRInt32 Right(nsString& aCopy,PRInt32 aCount);
PRInt32 Insert(nsString& aCopy,PRInt32 anOffset,PRInt32 aCount=-1);
PRInt32 Insert(PRUnichar aChar,PRInt32 anOffset);
nsString& Cut(PRInt32 anOffset,PRInt32 aCount);
nsString& StripChars(const char* aSet);

View File

@ -965,6 +965,47 @@ PRInt32 nsString::Insert(nsString& aCopy,PRInt32 anOffset,PRInt32 aCount) {
return aCount;
}
/**
* 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
*/
PRInt32 nsString::Insert(PRUnichar aChar,PRInt32 anOffset){
//1st optimization: If you're inserting at end, then simply append!
if(anOffset<mLength){
if(mLength+1> mCapacity) {
EnsureCapacityFor(mLength+1);
}
PRUnichar* last = mStr + mLength;
PRUnichar* first = mStr + anOffset-1;
PRUnichar* next = mStr + mLength + 1;
//Copy rightmost chars, up to offset+aCount...
while(first<last) {
char ch1=char(*last);
char ch2=char(*next);
*next=*last;
next--;
last--;
}
//now insert new chars, starting at offset
mStr[anOffset]=aChar;
mLength+=1;
}
else Append(aChar);
return 1;
}
/**-------------------------------------------------------
* This method is used to cut characters in this string
* starting at anOffset, continuing for aCount chars.

View File

@ -121,6 +121,7 @@ class NS_BASE nsString {
PRInt32 Mid(nsString& aCopy,PRInt32 anOffset,PRInt32 aCount);
PRInt32 Right(nsString& aCopy,PRInt32 aCount);
PRInt32 Insert(nsString& aCopy,PRInt32 anOffset,PRInt32 aCount=-1);
PRInt32 Insert(PRUnichar aChar,PRInt32 anOffset);
nsString& Cut(PRInt32 anOffset,PRInt32 aCount);
nsString& StripChars(const char* aSet);

View File

@ -965,6 +965,47 @@ PRInt32 nsString::Insert(nsString& aCopy,PRInt32 anOffset,PRInt32 aCount) {
return aCount;
}
/**
* 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
*/
PRInt32 nsString::Insert(PRUnichar aChar,PRInt32 anOffset){
//1st optimization: If you're inserting at end, then simply append!
if(anOffset<mLength){
if(mLength+1> mCapacity) {
EnsureCapacityFor(mLength+1);
}
PRUnichar* last = mStr + mLength;
PRUnichar* first = mStr + anOffset-1;
PRUnichar* next = mStr + mLength + 1;
//Copy rightmost chars, up to offset+aCount...
while(first<last) {
char ch1=char(*last);
char ch2=char(*next);
*next=*last;
next--;
last--;
}
//now insert new chars, starting at offset
mStr[anOffset]=aChar;
mLength+=1;
}
else Append(aChar);
return 1;
}
/**-------------------------------------------------------
* This method is used to cut characters in this string
* starting at anOffset, continuing for aCount chars.

View File

@ -121,6 +121,7 @@ class NS_BASE nsString {
PRInt32 Mid(nsString& aCopy,PRInt32 anOffset,PRInt32 aCount);
PRInt32 Right(nsString& aCopy,PRInt32 aCount);
PRInt32 Insert(nsString& aCopy,PRInt32 anOffset,PRInt32 aCount=-1);
PRInt32 Insert(PRUnichar aChar,PRInt32 anOffset);
nsString& Cut(PRInt32 anOffset,PRInt32 aCount);
nsString& StripChars(const char* aSet);