Exemple #1
0
 /// <summary>
 ///   Initialises a new element declaration instance.
 /// </summary>
 /// <param name = "name">The name of the element.</param>
 /// <param name = "sto">Whether the start tag is optional.</param>
 /// <param name = "eto">Whether the end tag is optional.</param>
 /// <param name = "cm">The <see cref = "ContentModel" /> of the element.</param>
 /// <param name = "inclusions"></param>
 /// <param name = "exclusions"></param>
 public ElementDecl(string name, bool sto, bool eto, ContentModel cm, string[] inclusions, string[] exclusions)
 {
     m_name = name;
     m_startTagOptional = sto;
     m_endTagOptional = eto;
     m_contentModel = cm;
     m_inclusions = inclusions;
     m_exclusions = exclusions;
 }
Exemple #2
0
        private void ParseModel(char cmt, ContentModel cm)
        {
            // Called when part of the model is made up of the contents of a parameter entity
            var depth = cm.CurrentDepth;
            var ch = this.m_current.Lastchar;
            ch = this.m_current.SkipWhitespace();
            while(ch != cmt || cm.CurrentDepth > depth) // the entity must terminate while inside the content model.
            {
                if(ch == Entity.EOF) {
                    this.m_current.Error("Content Model was not closed");
                }
                if(ch == '%') {
                    var e = ParseParameterEntity(SgmlDtd.cmterm);
                    PushEntity(this.m_current.ResolvedUri, e);
                    ParseModel(Entity.EOF, cm);
                    PopEntity();
                    ch = this.m_current.SkipWhitespace();
                }
                else if(ch == '(') {
                    cm.PushGroup();
                    this.m_current.ReadChar(); // consume '('
                    ch = this.m_current.SkipWhitespace();
                }
                else if(ch == ')') {
                    ch = this.m_current.ReadChar(); // consume ')'
                    if(ch == '*' || ch == '+' || ch == '?') {
                        cm.AddOccurrence(ch);
                        ch = this.m_current.ReadChar();
                    }
                    if(cm.PopGroup() < depth) {
                        this.m_current.Error("Parameter entity cannot close a paren outside it's own scope");
                    }
                    ch = this.m_current.SkipWhitespace();
                }
                else if(ch == ',' || ch == '|' || ch == '&') {
                    cm.AddConnector(ch);
                    this.m_current.ReadChar(); // skip connector
                    ch = this.m_current.SkipWhitespace();
                }
                else {
                    string token;
                    if(ch == '#') {
                        ch = this.m_current.ReadChar();
                        token = "#" + this.m_current.ScanToken(this.m_sb, SgmlDtd.cmterm, true); // since '#' is not a valid name character.
                    }
                    else {
                        token = this.m_current.ScanToken(this.m_sb, SgmlDtd.cmterm, true);
                    }

                    token = token.ToUpperInvariant();
                    ch = this.m_current.Lastchar;
                    if(ch == '?' || ch == '+' || ch == '*') {
                        cm.PushGroup();
                        cm.AddSymbol(token);
                        cm.AddOccurrence(ch);
                        cm.PopGroup();
                        this.m_current.ReadChar(); // skip connector
                        ch = this.m_current.SkipWhitespace();
                    }
                    else {
                        cm.AddSymbol(token);
                        ch = this.m_current.SkipWhitespace();
                    }
                }
            }
        }
Exemple #3
0
 private ContentModel ParseContentModel(char ch)
 {
     var cm = new ContentModel();
     if(ch == '(') {
         this.m_current.ReadChar();
         ParseModel(')', cm);
         ch = this.m_current.ReadChar();
         if(ch == '?' || ch == '+' || ch == '*') {
             cm.AddOccurrence(ch);
             this.m_current.ReadChar();
         }
     }
     else if(ch == '%') {
         var e = ParseParameterEntity(SgmlDtd.dcterm);
         PushEntity(this.m_current.ResolvedUri, e);
         cm = ParseContentModel(this.m_current.Lastchar);
         PopEntity(); // bugbug should be at EOF.
     }
     else {
         var dc = ScanName(SgmlDtd.dcterm);
         cm.SetDeclaredContent(dc);
     }
     return cm;
 }