зеркало из https://github.com/mozilla/pjs.git
459 строки
15 KiB
C++
459 строки
15 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.1 (the "License"); you may not use this file except in
|
|
* compliance with the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the NPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the NPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "nsHTMLEditUtils.h"
|
|
#include "nsTextEditUtils.h"
|
|
|
|
#include "nsString.h"
|
|
#include "nsUnicharUtils.h"
|
|
#include "nsEditor.h"
|
|
#include "nsEditProperty.h"
|
|
#include "nsIAtom.h"
|
|
#include "nsIDOMNode.h"
|
|
#include "nsIContent.h"
|
|
#include "nsIDOMNodeList.h"
|
|
#include "nsIDOMHTMLAnchorElement.h"
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsBig(nsIDOMNode *node)
|
|
{
|
|
return nsEditor::NodeIsType(node, nsEditProperty::big);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsInlineStyle true if node is an inline style
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsInlineStyle(nsIDOMNode *node)
|
|
{
|
|
NS_PRECONDITION(node, "null parent passed to nsHTMLEditUtils::IsInlineStyle");
|
|
nsCOMPtr<nsIAtom> nodeAtom = nsEditor::GetTag(node);
|
|
return (nodeAtom == nsEditProperty::b)
|
|
|| (nodeAtom == nsEditProperty::i)
|
|
|| (nodeAtom == nsEditProperty::u)
|
|
|| (nodeAtom == nsEditProperty::tt)
|
|
|| (nodeAtom == nsEditProperty::s)
|
|
|| (nodeAtom == nsEditProperty::strike)
|
|
|| (nodeAtom == nsEditProperty::big)
|
|
|| (nodeAtom == nsEditProperty::small)
|
|
|| (nodeAtom == nsEditProperty::blink)
|
|
|| (nodeAtom == nsEditProperty::sub)
|
|
|| (nodeAtom == nsEditProperty::sup)
|
|
|| (nodeAtom == nsEditProperty::font);
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsFormatNode true if node is a format node
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsFormatNode(nsIDOMNode *node)
|
|
{
|
|
NS_PRECONDITION(node, "null parent passed to nsHTMLEditUtils::IsFormatNode");
|
|
nsCOMPtr<nsIAtom> nodeAtom = nsEditor::GetTag(node);
|
|
return (nodeAtom == nsEditProperty::p)
|
|
|| (nodeAtom == nsEditProperty::pre)
|
|
|| (nodeAtom == nsEditProperty::h1)
|
|
|| (nodeAtom == nsEditProperty::h2)
|
|
|| (nodeAtom == nsEditProperty::h3)
|
|
|| (nodeAtom == nsEditProperty::h4)
|
|
|| (nodeAtom == nsEditProperty::h5)
|
|
|| (nodeAtom == nsEditProperty::h6)
|
|
|| (nodeAtom == nsEditProperty::address);
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsNodeThatCanOutdent true if node is a list, list item, or blockquote
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsNodeThatCanOutdent(nsIDOMNode *node)
|
|
{
|
|
NS_PRECONDITION(node, "null parent passed to nsHTMLEditUtils::IsNodeThatCanOutdent");
|
|
nsCOMPtr<nsIAtom> nodeAtom = nsEditor::GetTag(node);
|
|
return (nodeAtom == nsEditProperty::ul)
|
|
|| (nodeAtom == nsEditProperty::ol)
|
|
|| (nodeAtom == nsEditProperty::dl)
|
|
|| (nodeAtom == nsEditProperty::li)
|
|
|| (nodeAtom == nsEditProperty::dd)
|
|
|| (nodeAtom == nsEditProperty::dt)
|
|
|| (nodeAtom == nsEditProperty::blockquote);
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsSmall(nsIDOMNode *node)
|
|
{
|
|
return nsEditor::NodeIsType(node, nsEditProperty::small);
|
|
}
|
|
|
|
|
|
/********************************************************
|
|
* helper methods from nsHTMLEditRules
|
|
********************************************************/
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsHeader: true if node an html header
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsHeader(nsIDOMNode *node)
|
|
{
|
|
NS_PRECONDITION(node, "null parent passed to nsHTMLEditUtils::IsHeader");
|
|
nsCOMPtr<nsIAtom> nodeAtom = nsEditor::GetTag(node);
|
|
return (nodeAtom == nsEditProperty::h1)
|
|
|| (nodeAtom == nsEditProperty::h2)
|
|
|| (nodeAtom == nsEditProperty::h3)
|
|
|| (nodeAtom == nsEditProperty::h4)
|
|
|| (nodeAtom == nsEditProperty::h5)
|
|
|| (nodeAtom == nsEditProperty::h6);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsParagraph: true if node an html paragraph
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsParagraph(nsIDOMNode *node)
|
|
{
|
|
return nsEditor::NodeIsType(node, nsEditProperty::p);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsHR: true if node an horizontal rule
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsHR(nsIDOMNode *node)
|
|
{
|
|
return nsEditor::NodeIsType(node, nsEditProperty::hr);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsListItem: true if node an html list item
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsListItem(nsIDOMNode *node)
|
|
{
|
|
NS_PRECONDITION(node, "null parent passed to nsHTMLEditUtils::IsListItem");
|
|
nsCOMPtr<nsIAtom> nodeAtom = nsEditor::GetTag(node);
|
|
return (nodeAtom == nsEditProperty::li)
|
|
|| (nodeAtom == nsEditProperty::dd)
|
|
|| (nodeAtom == nsEditProperty::dt);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsTableElement: true if node an html table, td, tr, ...
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsTableElement(nsIDOMNode *node)
|
|
{
|
|
NS_PRECONDITION(node, "null node passed to nsHTMLEditor::IsTableElement");
|
|
nsCOMPtr<nsIAtom> nodeAtom = nsEditor::GetTag(node);
|
|
return (nodeAtom == nsEditProperty::table)
|
|
|| (nodeAtom == nsEditProperty::tr)
|
|
|| (nodeAtom == nsEditProperty::td)
|
|
|| (nodeAtom == nsEditProperty::th)
|
|
|| (nodeAtom == nsEditProperty::thead)
|
|
|| (nodeAtom == nsEditProperty::tfoot)
|
|
|| (nodeAtom == nsEditProperty::tbody)
|
|
|| (nodeAtom == nsEditProperty::caption);
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsTableElementButNotTable: true if node an html td, tr, ... (doesn't include table)
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsTableElementButNotTable(nsIDOMNode *node)
|
|
{
|
|
NS_PRECONDITION(node, "null node passed to nsHTMLEditor::IsTableElementButNotTable");
|
|
nsCOMPtr<nsIAtom> nodeAtom = nsEditor::GetTag(node);
|
|
return (nodeAtom == nsEditProperty::tr)
|
|
|| (nodeAtom == nsEditProperty::td)
|
|
|| (nodeAtom == nsEditProperty::th)
|
|
|| (nodeAtom == nsEditProperty::thead)
|
|
|| (nodeAtom == nsEditProperty::tfoot)
|
|
|| (nodeAtom == nsEditProperty::tbody)
|
|
|| (nodeAtom == nsEditProperty::caption);
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsTable: true if node an html table
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsTable(nsIDOMNode *node)
|
|
{
|
|
return nsEditor::NodeIsType(node, nsEditProperty::table);
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsTableRow: true if node an html tr
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsTableRow(nsIDOMNode *node)
|
|
{
|
|
return nsEditor::NodeIsType(node, nsEditProperty::tr);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsTableCell: true if node an html td or th
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsTableCell(nsIDOMNode *node)
|
|
{
|
|
NS_PRECONDITION(node, "null parent passed to nsHTMLEditUtils::IsTableCell");
|
|
nsCOMPtr<nsIAtom> nodeAtom = nsEditor::GetTag(node);
|
|
return (nodeAtom == nsEditProperty::td)
|
|
|| (nodeAtom == nsEditProperty::th);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsTableCell: true if node an html td or th
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsTableCellOrCaption(nsIDOMNode *node)
|
|
{
|
|
NS_PRECONDITION(node, "null parent passed to nsHTMLEditUtils::IsTableCell");
|
|
nsCOMPtr<nsIAtom> nodeAtom = nsEditor::GetTag(node);
|
|
return (nodeAtom == nsEditProperty::td)
|
|
|| (nodeAtom == nsEditProperty::th)
|
|
|| (nodeAtom == nsEditProperty::caption);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsList: true if node an html list
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsList(nsIDOMNode *node)
|
|
{
|
|
NS_PRECONDITION(node, "null parent passed to nsHTMLEditUtils::IsList");
|
|
nsCOMPtr<nsIAtom> nodeAtom = nsEditor::GetTag(node);
|
|
return (nodeAtom == nsEditProperty::ul)
|
|
|| (nodeAtom == nsEditProperty::ol)
|
|
|| (nodeAtom == nsEditProperty::dl);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsOrderedList: true if node an html ordered list
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsOrderedList(nsIDOMNode *node)
|
|
{
|
|
return nsEditor::NodeIsType(node, nsEditProperty::ol);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsUnorderedList: true if node an html unordered list
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsUnorderedList(nsIDOMNode *node)
|
|
{
|
|
return nsEditor::NodeIsType(node, nsEditProperty::ul);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsBlockquote: true if node an html blockquote node
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsBlockquote(nsIDOMNode *node)
|
|
{
|
|
return nsEditor::NodeIsType(node, nsEditProperty::blockquote);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsPre: true if node an html pre node
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsPre(nsIDOMNode *node)
|
|
{
|
|
return nsEditor::NodeIsType(node, nsEditProperty::pre);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsAddress: true if node an html address node
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsAddress(nsIDOMNode *node)
|
|
{
|
|
return nsEditor::NodeIsType(node, nsEditProperty::address);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsImage: true if node an html image node
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsImage(nsIDOMNode *node)
|
|
{
|
|
return nsEditor::NodeIsType(node, nsEditProperty::img);
|
|
}
|
|
|
|
PRBool
|
|
nsHTMLEditUtils::IsLink(nsIDOMNode *aNode)
|
|
{
|
|
if (!aNode) return PR_FALSE;
|
|
nsCOMPtr<nsIDOMHTMLAnchorElement> anchor = do_QueryInterface(aNode);
|
|
if (anchor)
|
|
{
|
|
nsAutoString tmpText;
|
|
if (NS_SUCCEEDED(anchor->GetHref(tmpText)) && !tmpText.IsEmpty())
|
|
return PR_TRUE;
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
PRBool
|
|
nsHTMLEditUtils::IsNamedAnchor(nsIDOMNode *aNode)
|
|
{
|
|
if (!aNode) return PR_FALSE;
|
|
nsCOMPtr<nsIDOMHTMLAnchorElement> anchor = do_QueryInterface(aNode);
|
|
if (anchor)
|
|
{
|
|
nsAutoString tmpText;
|
|
if (NS_SUCCEEDED(anchor->GetName(tmpText)) && !tmpText.IsEmpty())
|
|
return PR_TRUE;
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsDiv: true if node an html div node
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsDiv(nsIDOMNode *node)
|
|
{
|
|
return nsEditor::NodeIsType(node, nsEditProperty::div);
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsMozDiv: true if node an html div node with type = _moz
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsMozDiv(nsIDOMNode *node)
|
|
{
|
|
if (IsDiv(node) && nsTextEditUtils::HasMozAttr(node)) return PR_TRUE;
|
|
return PR_FALSE;
|
|
}
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsMailCite: true if node an html blockquote with type=cite
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsMailCite(nsIDOMNode *node)
|
|
{
|
|
NS_PRECONDITION(node, "null parent passed to nsHTMLEditUtils::IsMailCite");
|
|
nsCOMPtr<nsIDOMElement> elem = do_QueryInterface(node);
|
|
if (!elem) return PR_FALSE;
|
|
nsAutoString attrName (NS_LITERAL_STRING("type"));
|
|
|
|
// don't ask me why, but our html mailcites are id'd by "type=cite"...
|
|
nsAutoString attrVal;
|
|
nsresult res = elem->GetAttribute(attrName, attrVal);
|
|
ToLowerCase(attrVal);
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
if (attrVal.Equals(NS_LITERAL_STRING("cite")))
|
|
return PR_TRUE;
|
|
}
|
|
|
|
// ... but our plaintext mailcites by "_moz_quote=true". go figure.
|
|
attrName.Assign(NS_LITERAL_STRING("_moz_quote"));
|
|
res = elem->GetAttribute(attrName, attrVal);
|
|
if (NS_SUCCEEDED(res))
|
|
{
|
|
ToLowerCase(attrVal);
|
|
if (attrVal.Equals(NS_LITERAL_STRING("true")))
|
|
return PR_TRUE;
|
|
}
|
|
|
|
return PR_FALSE;
|
|
}
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// IsFormWidget: true if node is a form widget of some kind
|
|
//
|
|
PRBool
|
|
nsHTMLEditUtils::IsFormWidget(nsIDOMNode *node)
|
|
{
|
|
NS_PRECONDITION(node, "null node passed to nsHTMLEditUtils::IsFormWidget");
|
|
nsCOMPtr<nsIAtom> nodeAtom = nsEditor::GetTag(node);
|
|
return (nodeAtom == nsEditProperty::textarea)
|
|
|| (nodeAtom == nsEditProperty::select)
|
|
|| (nodeAtom == nsEditProperty::button)
|
|
|| (nodeAtom == nsEditProperty::input);
|
|
}
|
|
|
|
PRBool
|
|
nsHTMLEditUtils::SupportsAlignAttr(nsIDOMNode * aNode)
|
|
{
|
|
NS_PRECONDITION(aNode, "null node passed to nsHTMLEditUtils::SupportsAlignAttr");
|
|
nsCOMPtr<nsIAtom> nodeAtom = nsEditor::GetTag(aNode);
|
|
return (nodeAtom == nsEditProperty::hr)
|
|
|| (nodeAtom == nsEditProperty::table)
|
|
|| (nodeAtom == nsEditProperty::tbody)
|
|
|| (nodeAtom == nsEditProperty::tfoot)
|
|
|| (nodeAtom == nsEditProperty::thead)
|
|
|| (nodeAtom == nsEditProperty::tr)
|
|
|| (nodeAtom == nsEditProperty::td)
|
|
|| (nodeAtom == nsEditProperty::th)
|
|
|| (nodeAtom == nsEditProperty::div)
|
|
|| (nodeAtom == nsEditProperty::p)
|
|
|| (nodeAtom == nsEditProperty::h1)
|
|
|| (nodeAtom == nsEditProperty::h2)
|
|
|| (nodeAtom == nsEditProperty::h3)
|
|
|| (nodeAtom == nsEditProperty::h4)
|
|
|| (nodeAtom == nsEditProperty::h5)
|
|
|| (nodeAtom == nsEditProperty::h6);
|
|
}
|