gecko/editor/libeditor/html/nsHTMLEditorLog.cpp
2012-05-21 12:12:37 +01:00

1363 lines
27 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>
#include "nsIDOMElement.h"
#include "nsIDOMAttr.h"
#include "nsIDOMNode.h"
#include "nsIDOMNodeList.h"
#include "nsIDOMCharacterData.h"
#include "nsIDOMNamedNodeMap.h"
#include "nsISelection.h"
#include "nsIDOMRange.h"
#include "nsHTMLEditorLog.h"
#include "nsNetUtil.h"
#include "nsCOMPtr.h"
#include "nsCRT.h"
#include "prprf.h"
#include "nsEditorTxnLog.h"
#define LOCK_LOG(doc)
#define UNLOCK_LOG(doc)
nsHTMLEditorLog::nsHTMLEditorLog()
{
mLocked = -1;
mEditorTxnLog = 0;
}
nsHTMLEditorLog::~nsHTMLEditorLog()
{
StopLogging();
}
NS_IMPL_ISUPPORTS_INHERITED1(nsHTMLEditorLog, nsHTMLEditor, nsIEditorLogging)
NS_IMETHODIMP
nsHTMLEditorLog::SetInlineProperty(nsIAtom *aProperty, const nsAString &aAttribute, const nsAString &aValue)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
nsAutoString propStr;
aProperty->ToString(propStr);
PrintSelection();
Write("atomService = Components.classes[\"@mozilla.org/atom-service;1\"].getService(Components.interfaces.nsIAtomService);\n");
Write("propAtom = atomService.getAtom(\"");
PrintUnicode(propStr);
Write("\");\n");
Write("GetCurrentEditor().setInlineProperty(propAtom, \"");
if (aAttribute.Length())
PrintUnicode(aAttribute);
Write("\", \"");
if (aValue.Length())
PrintUnicode(aValue);
Write("\");\n");
Flush();
}
return nsHTMLEditor::SetInlineProperty(aProperty, aAttribute, aValue);
}
NS_IMETHODIMP
nsHTMLEditorLog::SetParagraphFormat(const nsAString& aParagraphFormat)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
PrintSelection();
Write("GetCurrentEditor().setParagraphFormat(\"");
PrintUnicode(aParagraphFormat);
Write("\");\n");
Flush();
}
return nsHTMLEditor::SetParagraphFormat(aParagraphFormat);
}
NS_IMETHODIMP
nsHTMLEditorLog::RemoveInlineProperty(nsIAtom *aProperty, const nsAString &aAttribute)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
nsAutoString propStr;
aProperty->ToString(propStr);
PrintSelection();
Write("atomService = Components.classes[\"@mozilla.org/atom-service;1\"].getService(Components.interfaces.nsIAtomService);\n");
Write("propAtom = atomService.getAtom(\"");
PrintUnicode(propStr);
Write("\");\n");
Write("GetCurrentEditor().removeInlineProperty(propAtom, \"");
if (aAttribute.Length())
PrintUnicode(aAttribute);
Write("\");\n");
Flush();
}
return nsHTMLEditor::RemoveInlineProperty(aProperty, aAttribute);
}
NS_IMETHODIMP
nsHTMLEditorLog::DeleteSelection(nsIEditor::EDirection aAction,
nsIEditor::EStripWrappers aStripWrappers)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
PrintSelection();
Write("GetCurrentEditor().deleteSelection(");
WriteInt(aAction);
Write(");\n");
Flush();
}
return nsHTMLEditor::DeleteSelection(aAction, aStripWrappers);
}
NS_IMETHODIMP
nsHTMLEditorLog::InsertText(const nsAString& aStringToInsert)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
PrintSelection();
Write("GetCurrentEditor().insertText(\"");
nsAutoString str(aStringToInsert);
PrintUnicode(str);
Write("\");\n");
Flush();
}
return nsHTMLEditor::InsertText(aStringToInsert);
}
NS_IMETHODIMP
nsHTMLEditorLog::InsertLineBreak()
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
PrintSelection();
Write("GetCurrentEditor().insertLineBreak();\n");
Flush();
}
return nsHTMLEditor::InsertLineBreak();
}
NS_IMETHODIMP
nsHTMLEditorLog::Undo(PRUint32 aCount)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().undo(");
WriteInt(aCount);
Write(");\n");
Flush();
}
return nsHTMLEditor::Undo(aCount);
}
NS_IMETHODIMP
nsHTMLEditorLog::Redo(PRUint32 aCount)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().redo(");
WriteInt(aCount);
Write(");\n");
Flush();
}
return nsHTMLEditor::Redo(aCount);
}
NS_IMETHODIMP
nsHTMLEditorLog::BeginTransaction()
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().beginTransaction();\n");
Flush();
}
return nsHTMLEditor::BeginTransaction();
}
NS_IMETHODIMP
nsHTMLEditorLog::EndTransaction()
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().endTransaction();\n");
Flush();
}
return nsHTMLEditor::EndTransaction();
}
NS_IMETHODIMP
nsHTMLEditorLog::SelectAll()
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().selectAll();\n");
Flush();
}
return nsHTMLEditor::SelectAll();
}
NS_IMETHODIMP
nsHTMLEditorLog::BeginningOfDocument()
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().beginningOfDocument();\n");
Flush();
}
return nsHTMLEditor::BeginningOfDocument();
}
NS_IMETHODIMP
nsHTMLEditorLog::EndOfDocument()
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().endOfDocument();\n");
Flush();
}
return nsHTMLEditor::EndOfDocument();
}
NS_IMETHODIMP
nsHTMLEditorLog::Cut()
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
PrintSelection();
Write("GetCurrentEditor().cut();\n");
Flush();
}
return nsHTMLEditor::Cut();
}
NS_IMETHODIMP
nsHTMLEditorLog::Copy()
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
PrintSelection();
Write("GetCurrentEditor().copy();\n");
Flush();
}
return nsHTMLEditor::Copy();
}
NS_IMETHODIMP
nsHTMLEditorLog::Paste(PRInt32 aClipboardType)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
PrintSelection();
Write("GetCurrentEditor().paste(");
WriteInt(aClipboardType);
Write(");\n");
Flush();
}
return nsHTMLEditor::Paste(aClipboardType);
}
NS_IMETHODIMP
nsHTMLEditorLog::PasteAsQuotation(PRInt32 aClipboardType)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
PrintSelection();
Write("GetCurrentEditor().pasteAsQuotation(");
WriteInt(aClipboardType);
Write(");\n");
Flush();
}
return nsHTMLEditor::PasteAsQuotation(aClipboardType);
}
NS_IMETHODIMP
nsHTMLEditorLog::PasteAsPlaintextQuotation(PRInt32 aClipboardType)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
PrintSelection();
Write("GetCurrentEditor().pasteAsQuotation(");
WriteInt(aClipboardType);
Write(");\n");
Flush();
}
return nsHTMLEditor::PasteAsPlaintextQuotation(aClipboardType);
}
NS_IMETHODIMP
nsHTMLEditorLog::PasteAsCitedQuotation(const nsAString& aCitation,
PRInt32 aClipboardType)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
PrintSelection();
Write("GetCurrentEditor().pasteAsCitedQuotation(\"");
PrintUnicode(aCitation);
Write("\", ");
WriteInt(aClipboardType);
Write(");\n");
Flush();
}
return nsHTMLEditor::PasteAsCitedQuotation(aCitation, aClipboardType);
}
NS_IMETHODIMP
nsHTMLEditorLog::InsertAsQuotation(const nsAString& aQuotedText,
nsIDOMNode **aNodeInserted)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
PrintSelection();
Write("GetCurrentEditor().insertAsQuotation(\"");
PrintUnicode(aQuotedText);
Write("\");\n");
Flush();
}
return nsHTMLEditor::InsertAsQuotation(aQuotedText, aNodeInserted);
}
NS_IMETHODIMP
nsHTMLEditorLog::InsertAsPlaintextQuotation(const nsAString& aQuotedText,
bool aAddCites,
nsIDOMNode **aNodeInserted)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
PrintSelection();
Write("GetCurrentEditor().insertAsQuotation(\"");
PrintUnicode(aQuotedText);
Write("\");\n");
Flush();
}
return nsHTMLEditor::InsertAsPlaintextQuotation(aQuotedText,
aAddCites,
aNodeInserted);
}
NS_IMETHODIMP
nsHTMLEditorLog::InsertAsCitedQuotation(const nsAString& aQuotedText,
const nsAString& aCitation,
bool aInsertHTML,
nsIDOMNode **aNodeInserted)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
PrintSelection();
Write("GetCurrentEditor().insertAsCitedQuotation(\"");
PrintUnicode(aQuotedText);
Write("\", \"");
PrintUnicode(aCitation);
Write("\", ");
Write(aInsertHTML ? "true" : "false");
Write("\");\n");
Flush();
}
return nsHTMLEditor::InsertAsCitedQuotation(aQuotedText, aCitation, aInsertHTML,
aNodeInserted);
}
NS_IMETHODIMP
nsHTMLEditorLog::SetBackgroundColor(const nsAString& aColor)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().setBackgroundColor(\"");
PrintUnicode(aColor);
Write("\");\n");
Flush();
}
return nsHTMLEditor::SetBackgroundColor(aColor);
}
NS_IMETHODIMP
nsHTMLEditorLog::SetBodyAttribute(const nsAString& aAttr, const nsAString& aValue)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().setBodyAttribute(\"");
PrintUnicode(aAttr);
Write("\", \"");
PrintUnicode(aValue);
Write("\");\n");
Flush();
}
return nsHTMLEditor::SetBodyAttribute(aAttr, aValue);
}
NS_IMETHODIMP
nsHTMLEditorLog:: InsertTableCell(PRInt32 aNumber, bool aAfter)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().insertTableCell(");
WriteInt(aNumber);
Write(", ");
Write(aAfter ? "true" : "false");
Write(");\n");
Flush();
}
return nsHTMLEditor::InsertTableCell(aNumber, aAfter);
}
NS_IMETHODIMP
nsHTMLEditorLog:: InsertTableColumn(PRInt32 aNumber, bool aAfter)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().insertTableColumn(");
WriteInt(aNumber);
Write(", ");
Write(aAfter ? "true" : "false");
Write(");\n");
Flush();
}
return nsHTMLEditor::InsertTableColumn(aNumber, aAfter);
}
NS_IMETHODIMP
nsHTMLEditorLog:: InsertTableRow(PRInt32 aNumber, bool aAfter)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().insertTableRow(");
WriteInt(aNumber);
Write(", ");
Write(aAfter ? "true" : "false");
Write(");\n");
Flush();
}
return nsHTMLEditor::InsertTableRow(aNumber, aAfter);
}
NS_IMETHODIMP
nsHTMLEditorLog:: DeleteTable()
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().deleteTable();\n");
Flush();
}
return nsHTMLEditor::DeleteTable();
}
NS_IMETHODIMP
nsHTMLEditorLog:: DeleteTableCell(PRInt32 aNumber)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().deleteTableCell(");
WriteInt(aNumber);
Write(");\n");
Flush();
}
return nsHTMLEditor::DeleteTableCell(aNumber);
}
NS_IMETHODIMP
nsHTMLEditorLog:: DeleteTableCellContents()
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().deleteTableCellContents();\n");
Flush();
}
return nsHTMLEditor::DeleteTableCellContents();
}
NS_IMETHODIMP
nsHTMLEditorLog:: DeleteTableColumn(PRInt32 aNumber)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().deleteTableColumn(");
WriteInt(aNumber);
Write(");\n");
Flush();
}
return nsHTMLEditor::DeleteTableColumn(aNumber);
}
NS_IMETHODIMP
nsHTMLEditorLog:: DeleteTableRow(PRInt32 aNumber)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().deleteTableRow(");
WriteInt(aNumber);
Write(");\n");
Flush();
}
return nsHTMLEditor::DeleteTableRow(aNumber);
}
NS_IMETHODIMP
nsHTMLEditorLog:: JoinTableCells(bool aMergeNonContiguousContents)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().joinTableCells(");
Write(aMergeNonContiguousContents ? "true" : "false");
Write(");\n");
Flush();
}
return nsHTMLEditor::JoinTableCells(aMergeNonContiguousContents);
}
NS_IMETHODIMP
nsHTMLEditorLog:: SplitTableCell()
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
Write("GetCurrentEditor().splitTableCell();\n");
Flush();
}
return nsHTMLEditor::SplitTableCell();
}
NS_IMETHODIMP
nsHTMLEditorLog:: NormalizeTable(nsIDOMElement *aTable)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
nsCOMPtr<nsIDOMNode> node = do_QueryInterface(aTable);
NS_ENSURE_TRUE(node, NS_ERROR_NULL_POINTER);
PrintNode(node, 0);
Write("GetCurrentEditor().normalizeTable(n0);\n");
Flush();
}
return nsHTMLEditor::NormalizeTable(aTable);
}
NS_IMETHODIMP
nsHTMLEditorLog::SwitchTableCellHeaderType(nsIDOMElement *aSourceCell, nsIDOMElement **aNewCell)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
nsCOMPtr<nsIDOMNode> node = do_QueryInterface(aSourceCell);
NS_ENSURE_TRUE(node, NS_ERROR_NULL_POINTER);
PrintNode(node, 0);
Write("GetCurrentEditor().switchTableCellHeaderType(n0);\n");
Flush();
}
return nsHTMLEditor::SwitchTableCellHeaderType(aSourceCell, aNewCell);
}
NS_IMETHODIMP
nsHTMLEditorLog::MakeOrChangeList(const nsAString& aListType, bool entireList, const nsAString& aBulletType)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
PrintSelection();
Write("GetCurrentEditor().makeOrChangeList(\"");
PrintUnicode(aListType);
Write("\", ");
Write(entireList ? "true" : "false");
Write(", \"");
PrintUnicode(aBulletType);
Write("\");\n");
Flush();
}
return nsHTMLEditor::MakeOrChangeList(aListType, entireList, aBulletType);
}
NS_IMETHODIMP
nsHTMLEditorLog::Indent(const nsAString& aIndent)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
PrintSelection();
Write("GetCurrentEditor().indent(\"");
PrintUnicode(aIndent);
Write("\");\n");
Flush();
}
return nsHTMLEditor::Indent(aIndent);
}
NS_IMETHODIMP
nsHTMLEditorLog::Align(const nsAString& aAlign)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
PrintSelection();
Write("GetCurrentEditor().align(\"");
PrintUnicode(aAlign);
Write("\");\n");
Flush();
}
return nsHTMLEditor::Align(aAlign);
}
NS_IMETHODIMP
nsHTMLEditorLog::InsertElementAtSelection(nsIDOMElement* aElement, bool aDeleteSelection)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
NS_ENSURE_TRUE(aElement, NS_ERROR_NULL_POINTER);
nsCOMPtr<nsIDOMNode> node = do_QueryInterface(aElement);
NS_ENSURE_TRUE(node, NS_ERROR_NULL_POINTER);
PrintSelection();
PrintNode(node, 0);
Write("GetCurrentEditor().insertElementAtSelection(n0, ");
Write(aDeleteSelection ? "true" : "false");
Write(");\n");
Flush();
}
return nsHTMLEditor::InsertElementAtSelection(aElement, aDeleteSelection);
}
NS_IMETHODIMP
nsHTMLEditorLog::InsertLinkAroundSelection(nsIDOMElement* aAnchorElement)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
NS_ENSURE_TRUE(aAnchorElement, NS_ERROR_NULL_POINTER);
nsCOMPtr<nsIDOMNode> node = do_QueryInterface(aAnchorElement);
NS_ENSURE_TRUE(node, NS_ERROR_NULL_POINTER);
PrintSelection();
PrintNode(node, 0);
Write("GetCurrentEditor().insertLinkAroundSelection(n0);\n");
Flush();
}
return nsHTMLEditor::InsertLinkAroundSelection(aAnchorElement);
}
NS_IMETHODIMP
nsHTMLEditorLog::SetDocumentTitle(const nsAString& aTitle)
{
nsAutoHTMLEditorLogLock logLock(this);
if (!mLocked && mFileStream)
{
PrintSelection();
Write("GetCurrentEditor().setDocumentTitle(\"");
nsAutoString str(aTitle);
PrintUnicode(str);
Write("\");\n");
Flush();
}
return nsHTMLEditor::SetDocumentTitle(aTitle);
}
NS_IMETHODIMP
nsHTMLEditorLog::StartLogging(nsIFile *aLogFile)
{
nsresult result = NS_ERROR_FAILURE;
NS_ENSURE_TRUE(aLogFile, NS_ERROR_NULL_POINTER);
if (mFileStream)
{
result = StopLogging();
NS_ENSURE_SUCCESS(result, result);
}
result = NS_NewLocalFileOutputStream(getter_AddRefs(mFileStream), aLogFile);
NS_ENSURE_SUCCESS(result, result);
if (mTxnMgr)
{
mEditorTxnLog = new nsEditorTxnLog(this);
if (mEditorTxnLog)
{
NS_ADDREF(mEditorTxnLog);
mTxnMgr->AddListener(mEditorTxnLog);
}
else
return NS_ERROR_OUT_OF_MEMORY;
}
return NS_OK;
}
NS_IMETHODIMP
nsHTMLEditorLog::StopLogging()
{
if (mTxnMgr && mEditorTxnLog)
mTxnMgr->RemoveListener(mEditorTxnLog);
if (mEditorTxnLog)
{
NS_RELEASE(mEditorTxnLog);
mEditorTxnLog = 0;
}
if (mFileStream)
{
mFileStream->Close();
mFileStream = nsnull;
}
return NS_OK;
}
nsresult
nsHTMLEditorLog::Write(const char *aBuffer)
{
nsresult result;
NS_ENSURE_TRUE(aBuffer, NS_ERROR_NULL_POINTER);
PRInt32 len = strlen(aBuffer);
if (mFileStream)
{
PRUint32 retval;
result = mFileStream->Write(aBuffer, len, &retval);
NS_ENSURE_SUCCESS(result, result);
#ifdef VERY_SLOW
result = mFileStream->Flush();
NS_ENSURE_SUCCESS(result, result);
#endif // VERY_SLOW
}
else
fwrite(aBuffer, 1, len, stdout);
return NS_OK;
}
nsresult
nsHTMLEditorLog::WriteInt(PRInt32 aInt)
{
char buf[256];
PR_snprintf(buf, sizeof(buf), "%d", aInt);
return Write(buf);
}
nsresult
nsHTMLEditorLog::Flush()
{
nsresult result = NS_OK;
if (mFileStream)
result = mFileStream->Flush();
else
fflush(stdout);
return result;
}
nsresult
nsHTMLEditorLog::PrintUnicode(const nsAString &aString)
{
//const PRUnichar *uc = aString.get();
char buf[10];
nsReadingIterator <PRUnichar> beginIter,endIter;
aString.BeginReading(beginIter);
aString.EndReading(endIter);
while(beginIter != endIter)
{
if (nsCRT::IsAsciiAlpha(*beginIter) || nsCRT::IsAsciiDigit(*beginIter) || *beginIter == ' ')
PR_snprintf(buf, sizeof(buf), "%c", *beginIter);
else
PR_snprintf(buf, sizeof(buf), "\\u%.4x", *beginIter);
nsresult result = Write(buf);
NS_ENSURE_SUCCESS(result, result);
++beginIter;
}
return NS_OK;
}
nsresult
nsHTMLEditorLog::PrintSelection()
{
nsCOMPtr<nsISelection> selection;
nsresult result;
PRInt32 rangeCount;
result = GetSelection(getter_AddRefs(selection));
NS_ENSURE_SUCCESS(result, result);
result = selection->GetRangeCount(&rangeCount);
NS_ENSURE_SUCCESS(result, result);
Write("selRanges = [ ");
PRInt32 i, j;
nsCOMPtr<nsIDOMRange> range;
nsCOMPtr<nsIDOMNode> startNode;
nsCOMPtr<nsIDOMNode> endNode;
PRInt32 startOffset, endOffset;
for (i = 0; i < rangeCount; i++)
{
result = selection->GetRangeAt(i, getter_AddRefs(range));
NS_ENSURE_SUCCESS(result, result);
result = range->GetStartContainer(getter_AddRefs(startNode));
NS_ENSURE_SUCCESS(result, result);
NS_ENSURE_TRUE(startNode, NS_ERROR_NULL_POINTER);
result = range->GetStartOffset(&startOffset);
NS_ENSURE_SUCCESS(result, result);
result = range->GetEndContainer(getter_AddRefs(endNode));
NS_ENSURE_SUCCESS(result, result);
NS_ENSURE_TRUE(endNode, NS_ERROR_NULL_POINTER);
result = range->GetEndOffset(&endOffset);
NS_ENSURE_SUCCESS(result, result);
PRInt32 *offsetArray = 0;
PRInt32 arrayLength = 0;
result = GetNodeTreeOffsets(startNode, &offsetArray, &arrayLength);
NS_ENSURE_SUCCESS(result, result);
if (i != 0)
Write(",\n ");
Write("[ [[");
for (j = 0; j < arrayLength; j++)
{
if (j != 0)
Write(", ");
WriteInt(offsetArray[j]);
}
Write("], ");
WriteInt(startOffset);
Write("], ");
if (startNode != endNode)
{
delete []offsetArray;
offsetArray = 0;
arrayLength = 0;
result = GetNodeTreeOffsets(endNode, &offsetArray, &arrayLength);
NS_ENSURE_SUCCESS(result, result);
}
Write("[[");
for (j = 0; j < arrayLength; j++)
{
if (j != 0)
Write(", ");
WriteInt(offsetArray[j]);
}
delete []offsetArray;
Write("], ");
WriteInt(endOffset);
Write("] ]");
}
Write(" ];\nEditorSetSelectionFromOffsets(selRanges);\n");
Flush();
return NS_OK;
}
nsresult
nsHTMLEditorLog::PrintElementNode(nsIDOMNode *aNode, PRInt32 aDepth)
{
nsresult result;
nsAutoString tag, name, value;
nsCOMPtr<nsIDOMElement> ele = do_QueryInterface(aNode);
nsCOMPtr<nsIDOMNamedNodeMap> map;
NS_ENSURE_TRUE(ele, NS_ERROR_NULL_POINTER);
result = ele->GetTagName(tag);
NS_ENSURE_SUCCESS(result, result);
Write("n");
WriteInt(aDepth);
Write(" = GetCurrentEditor().editorDocument.createElement(\"");
PrintUnicode(tag);
Write("\");\n");
result = aNode->GetAttributes(getter_AddRefs(map));
NS_ENSURE_SUCCESS(result, result);
NS_ENSURE_TRUE(map, NS_ERROR_NULL_POINTER);
PRUint32 i, len;
nsCOMPtr<nsIDOMNode> attr;
result = map->GetLength(&len);
NS_ENSURE_SUCCESS(result, result);
for (i = 0; i < len; i++)
{
result = map->Item(i, getter_AddRefs(attr));
NS_ENSURE_SUCCESS(result, result);
NS_ENSURE_TRUE(attr, NS_ERROR_NULL_POINTER);
result = PrintAttributeNode(attr, aDepth);
NS_ENSURE_SUCCESS(result, result);
}
result = PrintNodeChildren(aNode, aDepth);
return result;
}
nsresult
nsHTMLEditorLog::PrintAttributeNode(nsIDOMNode *aNode, PRInt32 aDepth)
{
nsresult result;
nsCOMPtr<nsIDOMAttr> attr = do_QueryInterface(aNode);
NS_ENSURE_TRUE(attr, NS_ERROR_NULL_POINTER);
nsAutoString str;
result = attr->GetName(str);
NS_ENSURE_SUCCESS(result, result);
Write("a");
WriteInt(aDepth);
Write(" = GetCurrentEditor().editorDocument.createAttribute(\"");
PrintUnicode(str);
Write("\");\n");
result = attr->GetValue(str);
NS_ENSURE_SUCCESS(result, result);
Write("a");
WriteInt(aDepth);
Write(".value = \"");
PrintUnicode(str);
Write("\";\n");
Write("n");
WriteInt(aDepth);
Write(".setAttributeNode(a");
WriteInt(aDepth);
Write(");\n");
return NS_OK;
}
nsresult
nsHTMLEditorLog::PrintNodeChildren(nsIDOMNode *aNode, PRInt32 aDepth)
{
nsresult result;
NS_ENSURE_TRUE(aNode, NS_ERROR_NULL_POINTER);
nsCOMPtr<nsIDOMNodeList> list;
result = aNode->GetChildNodes(getter_AddRefs(list));
NS_ENSURE_SUCCESS(result, result);
if (!list)
{
// Must not have any children!
return NS_OK;
}
PRUint32 i, len;
nsCOMPtr<nsIDOMNode> node;
result = list->GetLength(&len);
NS_ENSURE_SUCCESS(result, result);
for (i = 0; i < len; i++)
{
result = list->Item(i, getter_AddRefs(node));
NS_ENSURE_SUCCESS(result, result);
result = PrintNode(node, aDepth + 1);
NS_ENSURE_SUCCESS(result, result);
Write("n");
WriteInt(aDepth);
Write(".appendChild(n");
WriteInt(aDepth+1);
Write(");\n");
}
return NS_OK;
}
nsresult
nsHTMLEditorLog::PrintTextNode(nsIDOMNode *aNode, PRInt32 aDepth)
{
nsresult result;
nsCOMPtr<nsIDOMCharacterData> cd = do_QueryInterface(aNode);
NS_ENSURE_TRUE(cd, NS_ERROR_NULL_POINTER);
nsAutoString str;
result = cd->GetData(str);
NS_ENSURE_SUCCESS(result, result);
Write("n");
WriteInt(aDepth);
Write(" = GetCurrentEditor().editorDocument.createTextNode(\"");
PrintUnicode(str);
Write("\");\n");
return NS_OK;
}
nsresult
nsHTMLEditorLog::PrintNode(nsIDOMNode *aNode, PRInt32 aDepth)
{
nsresult result = NS_OK;
NS_ENSURE_TRUE(aNode, NS_ERROR_NULL_POINTER);
PRUint16 nodeType;
result = aNode->GetNodeType(&nodeType);
switch (nodeType)
{
case nsIDOMNode::ELEMENT_NODE:
result = PrintElementNode(aNode, aDepth);
break;
case nsIDOMNode::TEXT_NODE:
result = PrintTextNode(aNode, aDepth);
break;
case nsIDOMNode::ATTRIBUTE_NODE:
result = PrintAttributeNode(aNode, aDepth);
break;
case nsIDOMNode::CDATA_SECTION_NODE:
case nsIDOMNode::ENTITY_REFERENCE_NODE:
case nsIDOMNode::ENTITY_NODE:
case nsIDOMNode::PROCESSING_INSTRUCTION_NODE:
case nsIDOMNode::COMMENT_NODE:
case nsIDOMNode::DOCUMENT_NODE:
case nsIDOMNode::DOCUMENT_TYPE_NODE:
case nsIDOMNode::DOCUMENT_FRAGMENT_NODE:
case nsIDOMNode::NOTATION_NODE:
default:
break;
}
Flush();
return result;
}
nsresult
nsHTMLEditorLog::GetNodeTreeOffsets(nsIDOMNode *aNode, PRInt32 **aResult, PRInt32 *aLength)
{
nsresult result;
NS_ENSURE_TRUE(aNode && aResult && aLength, NS_ERROR_NULL_POINTER);
*aResult = 0;
*aLength = 0;
nsIDOMNode *parent = aNode;
PRInt32 i = 0;
// Count the number of parent nodes above aNode.
while (parent)
{
result = parent->GetParentNode(&parent);
NS_ENSURE_SUCCESS(result, result);
if (parent)
++i;
}
// Allocate an array big enough to hold all the offsets.
*aResult = new PRInt32[i];
NS_ENSURE_TRUE(aResult, NS_ERROR_OUT_OF_MEMORY);
*aLength = i;
while (aNode && i > 0)
{
PRInt32 offset = 0;
result = aNode->GetParentNode(&parent);
if (NS_FAILED(result))
{
delete [](*aResult);
*aResult = 0;
*aLength = 0;
return result;
}
while (aNode)
{
result = aNode->GetPreviousSibling(&aNode);
if (NS_FAILED(result))
{
delete [](*aResult);
*aResult = 0;
*aLength = 0;
return result;
}
if (aNode)
++offset;
}
(*aResult)[--i] = offset;
aNode = parent;
}
return NS_OK;
}
nsresult
nsHTMLEditorLog::Lock()
{
mLocked++;
return NS_OK;
}
nsresult
nsHTMLEditorLog::Unlock()
{
--mLocked;
return NS_OK;
}
#ifdef NEVER_ENABLE_THIS_JAVASCRIPT
function EditorGetNodeAtOffsets(offsets)
{
var node = null;
var i;
node = GetCurrentEditor().editorDocument;
for (i = 0; i < offsets.length; i++)
{
node = node.childNodes[offsets[i]];
}
return node;
}
function EditorSetSelectionFromOffsets(selRanges)
{
var rangeArr, start, end, i, node, offset;
var selection = GetCurrentEditor().editorSelection;
selection.clearSelection();
for (i = 0; i < selRanges.length; i++)
{
rangeArr = selRanges[i];
start = rangeArr[0];
end = rangeArr[1];
var range = GetCurrentEditor().editorDocument.createRange();
node = EditorGetNodeAtOffsets(start[0]);
offset = start[1];
range.setStart(node, offset);
node = EditorGetNodeAtOffsets(end[0]);
offset = end[1];
range.setEnd(node, offset);
selection.addRange(range);
}
}
#endif