/* fixup doctype if missing */ public virtual bool FixDocType(Node root) { var guessed = HtmlVersion.Html40Strict; int i; if (BadDoctype) { Report.Warning(this, null, null, Report.MALFORMED_DOCTYPE); } if (Options.XmlOut) { return true; } Node doctype = root.FindDocType(); if (Options.DocType == DocType.Omit) { if (doctype != null) { Node.DiscardElement(doctype); } return true; } if (Options.DocType == DocType.Strict) { Node.DiscardElement(doctype); doctype = null; guessed = HtmlVersion.Html40Strict; } else if (Options.DocType == DocType.Loose) { Node.DiscardElement(doctype); doctype = null; guessed = HtmlVersion.Html40Loose; } else if (Options.DocType == DocType.Auto) { if (doctype != null) { if (Doctype == HtmlVersion.Unknown) { return false; } switch (Doctype) { case HtmlVersion.Unknown: return false; case HtmlVersion.Html20: if ((Versions & HtmlVersion.Html20) != 0) { return true; } break; /* to replace old version by new */ case HtmlVersion.Html32: if ((Versions & HtmlVersion.Html32) != 0) { return true; } break; /* to replace old version by new */ case HtmlVersion.Html40Strict: if ((Versions & HtmlVersion.Html40Strict) != 0) { return true; } break; /* to replace old version by new */ case HtmlVersion.Html40Loose: if ((Versions & HtmlVersion.Html40Loose) != 0) { return true; } break; /* to replace old version by new */ case HtmlVersion.Frames: if ((Versions & HtmlVersion.Frames) != 0) { return true; } break; /* to replace old version by new */ } /* INCONSISTENT_VERSION warning is now issued by ApparentVersion() */ } /* choose new doctype */ guessed = GetHtmlVersion(); } if (guessed == HtmlVersion.Unknown) { return false; } /* for XML use the Voyager system identifier */ if (Options.XmlOut || Options.XmlTags || Isvoyager) { if (doctype != null) Node.DiscardElement(doctype); for (i = 0; i < W3CVersion.Length; ++i) { if (guessed == W3CVersion[i].Version) { FixHtmlNameSpace(root, W3CVersion[i].Profile); break; } } return true; } if (doctype == null) { doctype = NewNode(Node.DOC_TYPE_TAG, Lexbuf, 0, 0); doctype.Next = root.Content; doctype.Parent = root; doctype.Prev = null; root.Content = doctype; } Txtstart = Lexsize; Txtend = Lexsize; /* use the appropriate public identifier */ AddStringLiteral("html PUBLIC "); if (Options.DocType == DocType.User && Options.DocTypeStr != null) { AddStringLiteral(Options.DocTypeStr); } else if (guessed == HtmlVersion.Html20) { AddStringLiteral("\"-//IETF//DTD HTML 2.0//EN\""); } else { AddStringLiteral("\"-//W3C//DTD "); for (i = 0; i < W3CVersion.Length; ++i) { if (guessed == W3CVersion[i].Version) { AddStringLiteral(W3CVersion[i].Name); break; } } AddStringLiteral("//EN\""); } Txtend = Lexsize; doctype.Start = Txtstart; doctype.End = Txtend; return true; }
/// <summary> /// Internal routine that actually does the parsing. The caller /// can pass either an InputStream or file name. If both are passed, /// the file name is preferred. /// </summary> internal Node ParseInternal(Stream input, Stream output, TidyMessageCollection messages) { Node document = null; Out o = new OutImpl(); /* normal output stream */ /* ensure config is self-consistent */ _options.Adjust(); if (input != null) { var lexer = new Lexer(new ClsStreamInImpl(input, _options.CharEncoding, _options.TabSize), _options) { Messages = messages }; /* * store pointer to lexer in input stream * to allow character encoding errors to be * reported */ lexer.Input.Lexer = lexer; /* Tidy doesn't alter the doctype for generic XML docs */ Node doctype; if (_options.XmlTags) { document = ParserImpl.ParseXmlDocument(lexer); } else { document = ParserImpl.ParseDocument(lexer); if (!document.CheckNodeIntegrity()) { Report.BadTree(lexer); return(null); } var cleaner = new Clean(_options.TagTable); /* simplifies <b><b> ... </b> ...</b> etc. */ cleaner.NestedEmphasis(document); /* cleans up <dir>indented text</dir> etc. */ cleaner.List2Bq(document); cleaner.Bq2Div(document); /* replaces i by em and b by strong */ if (_options.LogicalEmphasis) { cleaner.EmFromI(document); } if (_options.Word2000 && cleaner.IsWord2000(document, _options.TagTable)) { /* prune Word2000's <![if ...]> ... <![endif]> */ cleaner.DropSections(lexer, document); /* drop style & class attributes and empty p, span elements */ cleaner.CleanWord2000(lexer, document); } /* replaces presentational markup by style rules */ if (_options.MakeClean || _options.DropFontTags) { cleaner.CleanTree(lexer, document); } if (!document.CheckNodeIntegrity()) { Report.BadTree(lexer); return(null); } doctype = document.FindDocType(); if (document.Content != null) { if (_options.Xhtml) { lexer.SetXhtmlDocType(document); } else { lexer.FixDocType(document); } if (_options.TidyMark) { lexer.AddGenerator(document); } } /* ensure presence of initial <?XML version="1.0"?> */ if (_options.XmlOut && _options.XmlPi) { lexer.FixXmlPi(document); } if (document.Content != null) { Report.ReportVersion(lexer, doctype); Report.ReportNumWarnings(lexer); } } if (lexer.Messages.Errors > 0) { Report.NeedsAuthorIntervention(lexer); } o.State = StreamIn.FSM_ASCII; o.Encoding = _options.CharEncoding; if (lexer.Messages.Errors == 0) { PPrint pprint; if (_options.BurstSlides) { /* * remove doctype to avoid potential clash with * markup introduced when bursting into slides */ /* discard the document type */ doctype = document.FindDocType(); if (doctype != null) { Node.DiscardElement(doctype); } /* slides use transitional features */ lexer.Versions |= HtmlVersion.Html40Loose; /* and patch up doctype to match */ if (_options.Xhtml) { lexer.SetXhtmlDocType(document); } else { lexer.FixDocType(document); } /* find the body element which may be implicit */ Node body = document.FindBody(_options.TagTable); if (body != null) { pprint = new PPrint(_options); Report.ReportNumberOfSlides(lexer, pprint.CountSlides(body)); pprint.CreateSlides(lexer, document); } else { Report.MissingBody(lexer); } } else if (output != null) { pprint = new PPrint(_options); o.Output = output; if (_options.XmlTags) { pprint.PrintXmlTree(o, 0, 0, lexer, document); } else { pprint.PrintTree(o, 0, 0, lexer, document); } pprint.FlushLine(o, 0); } } Report.ErrorSummary(lexer); } return(document); }
public virtual bool SetXhtmlDocType(Node root) { string fpi = " "; string sysid = ""; const string namespaceRenamed = XHTML_NAMESPACE; Node doctype = root.FindDocType(); if (Options.DocType == DocType.Omit) { if (doctype != null) Node.DiscardElement(doctype); return true; } if (Options.DocType == DocType.Auto) { /* see what flavor of XHTML this document matches */ if ((Versions & HtmlVersion.Html40Strict) != 0) { /* use XHTML strict */ fpi = "-//W3C//DTD XHTML 1.0 Strict//EN"; sysid = VOYAGER_STRICT; } else if ((Versions & HtmlVersion.Loose) != 0) { fpi = "-//W3C//DTD XHTML 1.0 Transitional//EN"; sysid = VOYAGER_LOOSE; } else if ((Versions & HtmlVersion.Frames) != 0) { /* use XHTML frames */ fpi = "-//W3C//DTD XHTML 1.0 Frameset//EN"; sysid = VOYAGER_FRAMESET; } else { /* lets assume XHTML transitional */ fpi = "-//W3C//DTD XHTML 1.0 Transitional//EN"; sysid = VOYAGER_LOOSE; } } else if (Options.DocType == DocType.Strict) { fpi = "-//W3C//DTD XHTML 1.0 Strict//EN"; sysid = VOYAGER_STRICT; } else if (Options.DocType == DocType.Loose) { fpi = "-//W3C//DTD XHTML 1.0 Transitional//EN"; sysid = VOYAGER_LOOSE; } FixHtmlNameSpace(root, namespaceRenamed); if (doctype == null) { doctype = NewNode(Node.DOC_TYPE_TAG, Lexbuf, 0, 0); doctype.Next = root.Content; doctype.Parent = root; doctype.Prev = null; root.Content = doctype; } if (Options.DocType == DocType.User && Options.DocTypeStr != null) { fpi = Options.DocTypeStr; sysid = ""; } Txtstart = Lexsize; Txtend = Lexsize; /* add public identifier */ AddStringLiteral("html PUBLIC "); /* check if the fpi is quoted or not */ if (fpi[0] == '"') { AddStringLiteral(fpi); } else { AddStringLiteral("\""); AddStringLiteral(fpi); AddStringLiteral("\""); } AddStringLiteral(sysid.Length + 6 >= Options.WrapLen ? "\n\"" : "\n \""); /* add system identifier */ AddStringLiteral(sysid); AddStringLiteral("\""); Txtend = Lexsize; doctype.Start = Txtstart; doctype.End = Txtend; return false; }