gecko/editor/libeditor/base/InsertTextTxn.cpp
Ehsan Akhgari 0fd9123eac Bug 579517 - Part 1: Automated conversion of NSPR numeric types to stdint types in Gecko; r=bsmedberg
This patch was generated by a script.  Here's the source of the script for
future reference:

function convert() {
echo "Converting $1 to $2..."
find . ! -wholename "*nsprpub*" \
       ! -wholename "*security/nss*" \
       ! -wholename "*/.hg*" \
       ! -wholename "obj-ff-dbg*" \
       ! -name nsXPCOMCID.h \
       ! -name prtypes.h \
         -type f \
      \( -iname "*.cpp" \
         -o -iname "*.h" \
         -o -iname "*.c" \
         -o -iname "*.cc" \
         -o -iname "*.idl" \
         -o -iname "*.ipdl" \
         -o -iname "*.ipdlh" \
         -o -iname "*.mm" \) | \
    xargs -n 1 sed -i -e "s/\b$1\b/$2/g"
}

convert PRInt8 int8_t
convert PRUint8 uint8_t
convert PRInt16 int16_t
convert PRUint16 uint16_t
convert PRInt32 int32_t
convert PRUint32 uint32_t
convert PRInt64 int64_t
convert PRUint64 uint64_t

convert PRIntn int
convert PRUintn unsigned

convert PRSize size_t

convert PROffset32 int32_t
convert PROffset64 int64_t

convert PRPtrdiff ptrdiff_t

convert PRFloat64 double
2012-08-22 11:56:38 -04:00

184 lines
5.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <stdio.h> // for printf
#include "InsertTextTxn.h"
#include "nsAString.h"
#include "nsDebug.h" // for NS_ASSERTION, etc
#include "nsError.h" // for NS_OK, etc
#include "nsIDOMCharacterData.h" // for nsIDOMCharacterData
#include "nsIEditor.h" // for nsIEditor
#include "nsISelection.h" // for nsISelection
#include "nsISupportsUtils.h" // for NS_ADDREF_THIS, NS_RELEASE
#include "nsITransaction.h" // for nsITransaction
#ifdef DEBUG
static bool gNoisy = false;
#endif
InsertTextTxn::InsertTextTxn()
: EditTxn()
{
}
NS_IMPL_CYCLE_COLLECTION_CLASS(InsertTextTxn)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(InsertTextTxn, EditTxn)
NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mElement)
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(InsertTextTxn, EditTxn)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mElement)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_ADDREF_INHERITED(InsertTextTxn, EditTxn)
NS_IMPL_RELEASE_INHERITED(InsertTextTxn, EditTxn)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(InsertTextTxn)
if (aIID.Equals(InsertTextTxn::GetCID())) {
*aInstancePtr = (void*)(InsertTextTxn*)this;
NS_ADDREF_THIS();
return NS_OK;
} else
NS_INTERFACE_MAP_END_INHERITING(EditTxn)
NS_IMETHODIMP InsertTextTxn::Init(nsIDOMCharacterData *aElement,
uint32_t aOffset,
const nsAString &aStringToInsert,
nsIEditor *aEditor)
{
#if 0
nsAutoString text;
aElement->GetData(text);
printf("InsertTextTxn: Offset to insert at = %d. Text of the node to insert into:\n", aOffset);
wprintf(text.get());
printf("\n");
#endif
NS_ASSERTION(aElement && aEditor, "bad args");
NS_ENSURE_TRUE(aElement && aEditor, NS_ERROR_NULL_POINTER);
mElement = do_QueryInterface(aElement);
mOffset = aOffset;
mStringToInsert = aStringToInsert;
mEditor = aEditor;
return NS_OK;
}
NS_IMETHODIMP InsertTextTxn::DoTransaction(void)
{
#ifdef DEBUG
if (gNoisy)
{
printf("Do Insert Text element = %p\n",
static_cast<void*>(mElement.get()));
}
#endif
NS_ASSERTION(mElement && mEditor, "bad state");
if (!mElement || !mEditor) { return NS_ERROR_NOT_INITIALIZED; }
nsresult result = mElement->InsertData(mOffset, mStringToInsert);
NS_ENSURE_SUCCESS(result, result);
// only set selection to insertion point if editor gives permission
bool bAdjustSelection;
mEditor->ShouldTxnSetSelection(&bAdjustSelection);
if (bAdjustSelection)
{
nsCOMPtr<nsISelection> selection;
result = mEditor->GetSelection(getter_AddRefs(selection));
NS_ENSURE_SUCCESS(result, result);
NS_ENSURE_TRUE(selection, NS_ERROR_NULL_POINTER);
result = selection->Collapse(mElement, mOffset+mStringToInsert.Length());
NS_ASSERTION((NS_SUCCEEDED(result)), "selection could not be collapsed after insert.");
}
else
{
// do nothing - dom range gravity will adjust selection
}
return result;
}
NS_IMETHODIMP InsertTextTxn::UndoTransaction(void)
{
#ifdef DEBUG
if (gNoisy)
{
printf("Undo Insert Text element = %p\n",
static_cast<void*>(mElement.get()));
}
#endif
NS_ASSERTION(mElement && mEditor, "bad state");
if (!mElement || !mEditor) { return NS_ERROR_NOT_INITIALIZED; }
uint32_t length = mStringToInsert.Length();
return mElement->DeleteData(mOffset, length);
}
NS_IMETHODIMP InsertTextTxn::Merge(nsITransaction *aTransaction, bool *aDidMerge)
{
// set out param default value
if (aDidMerge)
*aDidMerge = false;
nsresult result = NS_OK;
if (aDidMerge && aTransaction)
{
// if aTransaction is a InsertTextTxn, and if the selection hasn't changed,
// then absorb it
InsertTextTxn *otherInsTxn = nullptr;
aTransaction->QueryInterface(InsertTextTxn::GetCID(), (void **)&otherInsTxn);
if (otherInsTxn)
{
if (IsSequentialInsert(otherInsTxn))
{
nsAutoString otherData;
otherInsTxn->GetData(otherData);
mStringToInsert += otherData;
*aDidMerge = true;
#ifdef DEBUG
if (gNoisy)
{
printf("InsertTextTxn assimilated %p\n",
static_cast<void*>(aTransaction));
}
#endif
}
NS_RELEASE(otherInsTxn);
}
}
return result;
}
NS_IMETHODIMP InsertTextTxn::GetTxnDescription(nsAString& aString)
{
aString.AssignLiteral("InsertTextTxn: ");
aString += mStringToInsert;
return NS_OK;
}
/* ============ protected methods ================== */
NS_IMETHODIMP InsertTextTxn::GetData(nsString& aResult)
{
aResult = mStringToInsert;
return NS_OK;
}
bool InsertTextTxn::IsSequentialInsert(InsertTextTxn *aOtherTxn)
{
NS_ASSERTION(aOtherTxn, "null param");
if (aOtherTxn && aOtherTxn->mElement == mElement)
{
// here, we need to compare offsets.
int32_t length = mStringToInsert.Length();
if (aOtherTxn->mOffset == (mOffset + length))
return true;
}
return false;
}