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- /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla 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/MPL/
- *
- * 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 of 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 MPL, 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 MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
- #ifndef nsIDocumentEncoder_h__
- #define nsIDocumentEncoder_h__
-
- #include "nsISupports.h"
- #include "nsString.h"
-
- class nsIDocumentEncoder;
- class nsIDocument;
- class nsIDOMRange;
- class nsISelection;
- class nsIOutputStream;
- class nsISupportsArray;
- class nsIDOMNode;
-
-
- #define NS_IDOCUMENT_ENCODER_IID \
- { /* a6cf9103-15b3-11d2-932e-00805f8add32 */ \
- 0xa6cf9103, \
- 0x15b3, \
- 0x11d2, \
- {0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32} \
- }
-
- #define NS_TEXT_ENCODER_CID \
- { /* e7ba1480-1dea-11d3-830f-00104bed045e */ \
- 0xe7ba1480, \
- 0x1dea, \
- 0x11d3, \
- {0x83, 0x0f, 0x00, 0x10, 0x4b, 0xed, 0x04, 0x5e} \
- }
-
- #define NS_DOC_ENCODER_CONTRACTID_BASE "@mozilla.org/layout/documentEncoder;1?type="
-
- // {7f915b01-98fc-11d4-8eb0-a803f80ff1bc}
- #define NS_HTMLCOPY_TEXT_ENCODER_CID \
- { 0x7f915b01, 0x98fc, 0x11d4, { 0x8e, 0xb0, 0xa8, 0x03, 0xf8, 0x0f, 0xf1, 0xbc } }
-
- // {0BC1FAC0-B710-11d4-959F-0020183BF181}
- #define NS_IDOCUMENTENCODERNODEFIXUP_IID \
- { 0xbc1fac0, 0xb710, 0x11d4, { 0x95, 0x9f, 0x0, 0x20, 0x18, 0x3b, 0xf1, 0x81 } }
-
- #define NS_HTMLCOPY_ENCODER_CONTRACTID "@mozilla.org/layout/htmlCopyEncoder;1"
-
- class nsIDocumentEncoderNodeFixup : public nsISupports
- {
- public:
-
- NS_DEFINE_STATIC_IID_ACCESSOR(NS_IDOCUMENTENCODERNODEFIXUP_IID)
-
- /**
- * Create a fixed up version of a node. This method is called before
- * each node in a document is about to be persisted. The implementor
- * may return a new node with fixed up attributes or nsnull.
- */
- NS_IMETHOD FixupNode(nsIDOMNode *aNode, nsIDOMNode **aOutNode) = 0;
- };
-
- class nsIDocumentEncoder : public nsISupports
- {
- public:
-
- NS_DEFINE_STATIC_IID_ACCESSOR(NS_IDOCUMENT_ENCODER_IID)
-
- /**
- * Output methods flag bits.
- *
- * There are a frightening number of these,
- * because everyone wants something a little bit different!
- *
- * These should move to an idl file so that Javascript can
- * have access to the symbols, not just the constants.
- */
- enum {
- // Output only the selection (as opposed to the whole document).
- OutputSelectionOnly = 1,
-
- // Plaintext output: Convert html to plaintext that looks like the html.
- // Implies wrap (except inside <pre>), since html wraps.
- // HTML output: always do prettyprinting, ignoring existing formatting.
- // (Probably not well tested for HTML output.)
- OutputFormatted = 2,
-
- // Don't do prettyprinting of HTML. Don't do any wrapping that's not in
- // the existing HTML source. This option overrides OutputFormatted if both
- // are set. Note that this option does not affect entity conversion.
- OutputRaw = 4,
-
- // No html head tags
- OutputBodyOnly = 8,
-
- // Wrap even if we're not doing formatted output (e.g. for text fields)
- // XXXbz this doesn't seem to be used by all serializers... document? How
- // does this interact with
- // OutputFormatted/OutputRaw/OutputWrap/OutputFormatFlowed?
- OutputPreformatted = 16,
-
- // Output as though the content is preformatted
- // (e.g. maybe it's wrapped in a MOZ_PRE or MOZ_PRE_WRAP style tag)
- // XXXbz this doesn't seem to be used by all serializers... document? How
- // does this interact with
- // OutputFormatted/OutputRaw/OutputPreformatted/OutputFormatFlowed?
- OutputWrap = 32,
-
- // Output for format flowed (RFC 2646). This is used when converting
- // to text for mail sending. This differs just slightly
- // but in an important way from normal formatted, and that is that
- // lines are space stuffed. This can't (correctly) be done later.
- // XXXbz this doesn't seem to be used by all serializers... document? How
- // does this interact with
- // OutputFormatted/OutputRaw/OutputPreformatted/OutputWrap?
- OutputFormatFlowed = 64,
-
- // Convert links, image src, and script src to absolute URLs when possible
- OutputAbsoluteLinks = 128,
-
- // Attempt to encode entities standardized at W3C (HTML, MathML, etc).
- // This is a catch-all flag for documents with mixed contents. Beware of
- // interoperability issues. See below for other flags which might likely
- // do what you want.
- OutputEncodeW3CEntities = 256,
-
- // LineBreak processing: we can do either platform line breaks,
- // CR, LF, or CRLF. If neither of these flags is set, then we
- // will use platform line breaks.
- OutputCRLineBreak = 512,
- OutputLFLineBreak = 1024,
-
- // Output the content of noscript elements (only for serializing
- // to plaintext).
- OutputNoScriptContent = 2048,
-
- // Output the content of noframes elements (only for serializing
- // to plaintext).
- OutputNoFramesContent = 4096,
-
- // Don't allow any formatting nodes (e.g. <br>, <b>) inside a <pre>.
- // This is used primarily by mail.
- OutputNoFormattingInPre = 8192,
-
- // Encode entities when outputting to a string.
- // E.g. If set, we'll output if clear, we'll output 0xa0.
- // The basic set is just & < > " for interoperability
- // with older products that don't support α and friends.
- // The Latin1 entity set additionally includes 8bit accented letters
- // between 128 and 255.
- // The HTML entity set additionally includes accented letters, greek
- // letters, and other special markup symbols as defined in HTML4.
- OutputEncodeBasicEntities = 16384,
- OutputEncodeLatin1Entities = 32768,
- OutputEncodeHTMLEntities = 65536
- };
-
- /**
- * Initialize with a pointer to the document and the mime type.
- */
- NS_IMETHOD Init(nsIDocument* aDocument, const nsAString& aMimeType,
- PRUint32 flags) = 0;
-
- /**
- * If the selection is set to a non-null value, then the
- * selection is used for encoding, otherwise the entire
- * document is encoded.
- */
- NS_IMETHOD SetSelection(nsISelection* aSelection) = 0;
-
- /**
- * If the range is set to a non-null value, then the
- * range is used for encoding, otherwise the entire
- * document or selection is encoded.
- */
- NS_IMETHOD SetRange(nsIDOMRange* aRange) = 0;
-
- /**
- * If the node is set to a non-null value, then the
- * node is used for encoding, otherwise the entire
- * document or range or selection is encoded.
- */
- NS_IMETHOD SetNode(nsIDOMNode* aNode) = 0;
-
- /**
- * Documents typically have an intrinsic character set.
- * If no intrinsic value is found, the platform character set
- * is used.
- * aCharset overrides the both the intrinsic or platform
- * character set when encoding the document.
- *
- * Possible result codes: NS_ERROR_NO_CHARSET_CONVERTER
- */
- NS_IMETHOD SetCharset(const nsACString& aCharset) = 0;
-
- /**
- * Set a wrap column. This may have no effect in some types of encoders.
- */
- NS_IMETHOD SetWrapColumn(PRUint32 aWC) = 0;
-
- /**
- * Get the mime type preferred by the encoder. This piece of api was
- * added because the copy encoder may need to switch mime types on you
- * if you ask it to copy html that really represents plaintext content.
- * Call this AFTER Init() and SetSelection() have both been called.
- */
- NS_IMETHOD GetMimeType(nsAString& aMimeType) = 0;
-
- /**
- * The document is encoded, the result is sent to the
- * to nsIOutputStream.
- *
- * Possible result codes are passing along whatever stream errors
- * might have been encountered.
- */
- NS_IMETHOD EncodeToStream(nsIOutputStream* aStream) = 0;
- NS_IMETHOD EncodeToString(nsAString& aOutputString) = 0;
-
- /**
- * The document is encoded, the result is sent to the
- * to aEncodedString. Parent heirarchy information is encoded
- * to aContextString. Extra context info is encoded in aInfoString.
- *
- */
- NS_IMETHOD EncodeToStringWithContext(nsAString& aEncodedString,
- nsAString& aContextString,
- nsAString& aInfoString) = 0;
-
- /**
- * Set the fixup object associated with node persistence.
- */
- NS_IMETHOD SetNodeFixup(nsIDocumentEncoderNodeFixup *aFixup) = 0;
- };
-
- #endif /* nsIDocumentEncoder_h__ */
-
-