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Diffstat (limited to '')
| -rw-r--r-- | parser/htmlparser/nsIDTD.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/parser/htmlparser/nsIDTD.h b/parser/htmlparser/nsIDTD.h new file mode 100644 index 0000000000..a47938befa --- /dev/null +++ b/parser/htmlparser/nsIDTD.h @@ -0,0 +1,140 @@ +/* -*- Mode: C++; tab-width: 4; 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/. */ + +#ifndef nsIDTD_h___ +#define nsIDTD_h___ + +/** + * MODULE NOTES: + * @update gess 7/20/98 + * + * This interface defines standard interface for DTD's. Note that this + * isn't HTML specific. DTD's have several functions within the parser + * system: + * 1) To coordinate the consumption of an input stream via the + * parser + * 2) To serve as proxy to represent the containment rules of the + * underlying document + * 3) To offer autodetection services to the parser (mainly for doc + * conversion) + * */ + +#include "nsISupports.h" +#include "nsString.h" +#include "nsITokenizer.h" + +#define NS_IDTD_IID \ + { \ + 0x3de05873, 0xefa7, 0x410d, { \ + 0xa4, 0x61, 0x80, 0x33, 0xaf, 0xd9, 0xe3, 0x26 \ + } \ + } + +enum eAutoDetectResult { + eUnknownDetect, + eValidDetect, + ePrimaryDetect, + eInvalidDetect +}; + +enum nsDTDMode { + eDTDMode_unknown = 0, + eDTDMode_quirks, // pre 4.0 versions + eDTDMode_almost_standards, + eDTDMode_full_standards, + eDTDMode_autodetect, + eDTDMode_fragment +}; + +class nsIContentSink; +class CParserContext; + +class nsIDTD : public nsISupports { + public: + NS_DECLARE_STATIC_IID_ACCESSOR(NS_IDTD_IID) + + NS_IMETHOD WillBuildModel(const CParserContext& aParserContext, + nsITokenizer* aTokenizer, + nsIContentSink* aSink) = 0; + + /** + * Called by the parser after the parsing process has concluded + * @update gess5/18/98 + * @param anErrorCode - contains error code resulting from parse process + * @return + */ + NS_IMETHOD DidBuildModel(nsresult anErrorCode) = 0; + + /** + * Called (possibly repeatedly) by the parser to parse tokens and construct + * the document model via the sink provided to WillBuildModel. + * + * @param aTokenizer - tokenizer providing the token stream to be parsed + * @param aCountLines - informs the DTD whether to count newlines + * (not wanted, e.g., when handling document.write) + * @param aCharsetPtr - address of an nsCString containing the charset + * that the DTD should use (pointer in case the DTD + * opts to ignore this parameter) + */ + NS_IMETHOD BuildModel(nsITokenizer* aTokenizer, nsIContentSink* aSink) = 0; + + /** + * This method is called to determine whether or not a tag of one + * type can contain a tag of another type. + * + * @update gess 3/25/98 + * @param aParent -- int tag of parent container + * @param aChild -- int tag of child container + * @return true if parent can contain child + */ + NS_IMETHOD_(bool) CanContain(int32_t aParent, int32_t aChild) const = 0; + + /** + * This method gets called to determine whether a given + * tag is itself a container + * + * @update gess 3/25/98 + * @param aTag -- tag to test for containership + * @return true if given tag can contain other tags + */ + NS_IMETHOD_(bool) IsContainer(int32_t aTag) const = 0; + + /** + * Use this id you want to stop the building content model + * --------------[ Sets DTD to STOP mode ]---------------- + * It's recommended to use this method in accordance with + * the parser's terminate() method. + * + * @update harishd 07/22/99 + * @param + * @return + */ + NS_IMETHOD_(void) Terminate() = 0; + + NS_IMETHOD_(int32_t) GetType() = 0; + + /** + * Call this method after calling WillBuildModel to determine what mode the + * DTD actually is using, as it may differ from aParserContext.mDTDMode. + */ + NS_IMETHOD_(nsDTDMode) GetMode() const = 0; +}; + +NS_DEFINE_STATIC_IID_ACCESSOR(nsIDTD, NS_IDTD_IID) + +#define NS_DECL_NSIDTD \ + NS_IMETHOD WillBuildModel(const CParserContext& aParserContext, \ + nsITokenizer* aTokenizer, nsIContentSink* aSink) \ + override; \ + NS_IMETHOD DidBuildModel(nsresult anErrorCode) override; \ + NS_IMETHOD BuildModel(nsITokenizer* aTokenizer, nsIContentSink* aSink) \ + override; \ + NS_IMETHOD_(bool) \ + CanContain(int32_t aParent, int32_t aChild) const override; \ + NS_IMETHOD_(bool) IsContainer(int32_t aTag) const override; \ + NS_IMETHOD_(void) Terminate() override; \ + NS_IMETHOD_(int32_t) GetType() override; \ + NS_IMETHOD_(nsDTDMode) GetMode() const override; +#endif /* nsIDTD_h___ */ |