anmar.SharpMimeTools.SharpMimeMessage.parse C# (CSharp) Method

        private bool parse()
        {
            bool error = false;
            #if LOG
            if ( log.IsDebugEnabled ) log.Debug (System.String.Concat("Parsing requested, type: ", this.mi.header.TopLevelMediaType.ToString(), ", subtype: ", this.mi.header.SubType) );
            #endif
            if ( !this.IsMultipart || this.Equals(this.mi.parts.Parent) ) {
            #if LOG
                if ( log.IsDebugEnabled )
                    log.Debug ("Parsing requested and this is not a multipart or it is already parsed");
            #endif
                return true;
            }
            switch (this.mi.header.TopLevelMediaType) {
                case anmar.SharpMimeTools.MimeTopLevelMediaType.message:
                    this.mi.parts.Parent = this;
                    anmar.SharpMimeTools.SharpMimeMessage message = new anmar.SharpMimeTools.SharpMimeMessage (this.message, this.mi.start_body, this.mi.end );
                    this.mi.parts.Add (message);
                    break;
                case anmar.SharpMimeTools.MimeTopLevelMediaType.multipart:
                    this.message.SeekPoint ( this.mi.start_body );
                    System.String line;
            #if LOG
                    if ( log.IsDebugEnabled )
                        log.Debug (System.String.Format("Looking for multipart {1}, byte {0}", this.mi.start_body, this.mi.header.ContentTypeParameters["boundary"]));
            #endif
                    this.mi.parts.Parent = this;
                    System.String boundary_start = System.String.Concat("--", this.mi.header.ContentTypeParameters["boundary"]);
                    System.String boundary_end = System.String.Concat("--", this.mi.header.ContentTypeParameters["boundary"], "--");
                    for ( line=this.message.ReadLine(); line!=null ; line=this.message.ReadLine() ) {
                        // It can't be a boundary line
                        if ( line.Length<3 )
                            continue;
                        // Match start boundary line
                        if ( line.Length==boundary_start.Length && line==boundary_start ) {
                            if ( this.mi.parts.Count>0 ) {
                                this.mi.parts.Get( this.mi.parts.Count-1 ).mi.end = this.message.Position_preRead;
            #if LOG
                                if ( log.IsDebugEnabled )
                                    log.Debug (System.String.Format("End part {1} at byte {0}", this.message.Position_preRead, boundary_start));
            #endif
                            }
            #if LOG
                            if ( log.IsDebugEnabled ) log.Debug (System.String.Format("Part     {1} found at byte {0}", this.message.Position_preRead, boundary_start));
            #endif
                            anmar.SharpMimeTools.SharpMimeMessage msg = new anmar.SharpMimeTools.SharpMimeMessage (this.message, this.message.Position );
                            this.mi.parts.Add (msg);
                        // Match end boundary line
                        } else if ( line.Length==boundary_end.Length && line==boundary_end ) {
                            this.mi.end = this.message.Position_preRead;
                            if ( this.mi.parts.Count>0 ) {
                                this.mi.parts.Get( this.mi.parts.Count-1 ).mi.end = this.message.Position_preRead;
            #if LOG
                                if ( log.IsDebugEnabled )
                                    log.Debug (System.String.Format("End part {1} at byte {0}", this.message.Position_preRead, boundary_end));
            #endif
            #if LOG
                            } else if ( log.IsDebugEnabled ) {
                                log.Debug (System.String.Format("End part {1} at byte {0}", this.mi.end, boundary_end));
            #endif
                            }
                            break;
                        }
                    }
                    break;
            }
            return !error;
        }