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Hooked up DOM insert/replace/delete

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This commit is contained in:
troy 1998-05-06 16:27:15 +00:00
parent aa24f7efe4
commit a84baf1f3c
1 changed files with 54 additions and 11 deletions
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65
layout/html/base/src/nsTextContent.cpp
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@ -37,6 +37,7 @@
#include "nsVoidArray.h"
#include "prprf.h"
#include "nsIDOMText.h"
#include "nsIDocument.h"
#ifdef NS_DEBUG
#undef NOISY
@ -374,7 +375,7 @@ TextFrame::~TextFrame()
gTextBlinker = nsnull;
}
if (nsnull != mWords) {
delete mWords;
delete[] mWords;
}
}
@ -496,7 +497,7 @@ void TextFrame::PaintRegularText(nsIRenderingContext& aRenderingContext,
aRenderingContext.DrawString(s0, s - s0, dx, dy, mRect.width);
if (s0 != buf) {
delete s0;
delete[] s0;
}
}
} else {
@ -542,7 +543,7 @@ void TextFrame::PaintRegularText(nsIRenderingContext& aRenderingContext,
aRenderingContext.DrawString(s0, s - s0, dx, dy, mRect.width);
if (s0 != buf) {
delete s0;
delete[] s0;
}
}
}
@ -611,7 +612,7 @@ void TextFrame::PaintJustifiedText(nsIRenderingContext& aRenderingContext,
}
if (s0 != buf) {
delete s0;
delete[] s0;
}
}
@ -645,7 +646,7 @@ NS_METHOD TextFrame::ResizeReflow(nsIPresContext* aCX,
// Wipe out old justification information since it's going to change
if (nsnull != mWords) {
delete mWords;
delete[] mWords;
mWords = nsnull;
}
#ifdef DEBUG_JUSTIFY
@ -989,7 +990,7 @@ NS_METHOD TextFrame::JustifyReflow(nsIPresContext* aCX, nscoord aAvailableSpace)
}
nsCRT::memcpy(newwp0, wp0, sizeof(PRUint32) * numWords);
if (wp0 != words) {
delete wp0;
delete[] wp0;
}
wp0 = newwp0;
wp = wp0 + numWords;
@ -1131,7 +1132,7 @@ NS_METHOD TextFrame::JustifyReflow(nsIPresContext* aCX, nscoord aAvailableSpace)
bail:
if (wp0 != words) {
delete wp0;
delete[] wp0;
}
NS_RELEASE(fm);
return NS_OK;
@ -1208,7 +1209,7 @@ Text::Text()
Text::~Text()
{
if (nsnull != mText) {
delete mText;
delete[] mText;
mText = nsnull;
}
mLength = 0;
@ -1401,6 +1402,9 @@ nsresult Text::SetData(nsString &aString)
mLength = aString.Length();
mText = aString.ToNewUnicode();
// Notify the document that the text changed
mDocument->ContentChanged(this, nsnull);
return NS_OK;
}
@ -1409,12 +1413,14 @@ nsresult Text::Append(nsString &aData)
PRUint32 length = aData.Length();
PRUnichar *text = new PRUnichar[mLength + length];
nsCRT::memcpy(text, mText, mLength * sizeof(PRUnichar));
nsCRT::memcpy(text + mLength * sizeof(PRUnichar), aData.GetUnicode(), length * sizeof(PRUnichar));
nsCRT::memcpy(text + mLength, aData.GetUnicode(), length * sizeof(PRUnichar));
if (mText) delete[] mText;
mLength += length;
mText = text;
// Notify the document that the text changed
mDocument->ContentChanged(this, nsnull);
return NS_OK;
}
@ -1439,6 +1445,9 @@ nsresult Text::Insert(int offset, nsString &aData)
if (mText) delete[] (mText - mLength);
mLength += length;
mText = text - mLength;
// Notify the document that the text changed
mDocument->ContentChanged(this, nsnull);
}
return NS_OK;
@ -1446,12 +1455,46 @@ nsresult Text::Insert(int offset, nsString &aData)
nsresult Text::Delete(int offset, int count)
{
return NS_ERROR_NOT_IMPLEMENTED;
// Make sure the offset is something sensible
if (offset < mLength) {
PRInt32 subLen = mLength - offset;
// Check if they're deleting the rest of the text
if (count >= subLen) {
mLength = offset;
} else {
PRUnichar* subText = mText + offset;
nsCRT::memmove(subText, subText + count, (subLen - count) * sizeof(PRUnichar));
mLength -= count;
}
// Notify the document that the text changed
mDocument->ContentChanged(this, nsnull);
}
return NS_OK;
}
nsresult Text::Replace(int offset, int count, nsString &aData)
{
return NS_ERROR_NOT_IMPLEMENTED;
// Make sure the offset is something sensible
if (offset < mLength) {
// We can only replace as many characters as there are in aData
if (count > aData.Length()) {
count = aData.Length();
}
PRInt32 numChars = PR_MIN(count, mLength - offset);
if (numChars > 0) {
nsCRT::memcpy(mText + offset, aData.GetUnicode(), numChars * sizeof(PRUnichar));
}
// Notify the document that the text changed
mDocument->ContentChanged(this, nsnull);
}
return NS_OK;
}
nsresult Text::Splice(nsIDOMElement *element, int offset, int count)