gecko-dev/dom/serializers/nsIContentSerializer.h

98 строки
3.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#ifndef nsIContentSerializer_h
#define nsIContentSerializer_h
#include "nsISupports.h"
#include "nsStringFwd.h"
class nsIContent;
namespace mozilla {
class Encoding;
namespace dom {
class Comment;
class Document;
class DocumentType;
class Element;
class ProcessingInstruction;
} // namespace dom
} // namespace mozilla
#define NS_ICONTENTSERIALIZER_IID \
{ \
0xb1ee32f2, 0xb8c4, 0x49b9, { \
0x93, 0xdf, 0xb6, 0xfa, 0xb5, 0xd5, 0x46, 0x88 \
} \
}
class nsIContentSerializer : public nsISupports {
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICONTENTSERIALIZER_IID)
/**
* @param aOutput The `Append*` methods will append to this string. The
* reference to it will be dropped with `Finish`.
*/
NS_IMETHOD Init(uint32_t flags, uint32_t aWrapColumn,
const mozilla::Encoding* aEncoding, bool aIsCopying,
bool aIsWholeDocument, bool* aNeedsPerformatScanning,
nsAString& aOutput) = 0;
NS_IMETHOD AppendText(nsIContent* aText, int32_t aStartOffset,
int32_t aEndOffset) = 0;
NS_IMETHOD AppendCDATASection(nsIContent* aCDATASection, int32_t aStartOffset,
int32_t aEndOffset) = 0;
NS_IMETHOD AppendProcessingInstruction(
mozilla::dom::ProcessingInstruction* aPI, int32_t aStartOffset,
int32_t aEndOffset) = 0;
NS_IMETHOD AppendComment(mozilla::dom::Comment* aComment,
int32_t aStartOffset, int32_t aEndOffset) = 0;
NS_IMETHOD AppendDoctype(mozilla::dom::DocumentType* aDoctype) = 0;
NS_IMETHOD AppendElementStart(mozilla::dom::Element* aElement,
mozilla::dom::Element* aOriginalElement) = 0;
NS_IMETHOD AppendElementEnd(mozilla::dom::Element* aElement,
mozilla::dom::Element* aOriginalElement) = 0;
NS_IMETHOD FlushAndFinish() = 0;
/**
* Drops the reference to the output buffer.
*/
NS_IMETHOD Finish() = 0;
NS_IMETHOD GetOutputLength(uint32_t& aLength) const = 0;
/**
* Append any items in the beginning of the document that won't be
* serialized by other methods. XML declaration is the most likely
* thing this method can produce.
*/
NS_IMETHOD AppendDocumentStart(mozilla::dom::Document* aDocument) = 0;
// If Init() sets *aNeedsPerformatScanning to true, then these methods are
// called when elements are started and ended, before AppendElementStart
// and AppendElementEnd, respectively. They are supposed to be used to
// allow the implementer to keep track of whether the element is
// preformatted.
NS_IMETHOD ScanElementForPreformat(mozilla::dom::Element* aElement) = 0;
NS_IMETHOD ForgetElementForPreformat(mozilla::dom::Element* aElement) = 0;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsIContentSerializer, NS_ICONTENTSERIALIZER_IID)
#define NS_CONTENTSERIALIZER_CONTRACTID_PREFIX \
"@mozilla.org/layout/contentserializer;1?mimetype="
#endif /* nsIContentSerializer_h */