--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/nabble/model/Message.java	Thu Mar 21 19:15:52 2019 -0600
@@ -0,0 +1,312 @@
+package nabble.model;
+
+import fschmidt.html.Html;
+import nabble.naml.compiler.CompileException;
+import nabble.naml.compiler.Template;
+import nabble.naml.compiler.TemplatePrintWriter;
+import nabble.naml.compiler.Program;
+import nabble.naml.namespaces.BasicNamespace;
+import nabble.view.web.template.MessageNamespace;
+import nabble.modules.ModuleManager;
+
+import java.io.StringWriter;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+
+public class Message {
+
+	public static abstract class SourceType extends AbstractType<SourceType> {
+		private static final Map<Character,SourceType> map = new HashMap<Character,SourceType>();
+
+		public static final SourceType TEMP = new SourceType('t',"temp") {
+			public Source getSource(Site site,long id) {
+				User user = site.getUser(id);
+				return new TempSource(user);
+			}
+			public String getIdField() {
+				return "user_id";
+			}
+		};
+		public static final SourceType NODE = new SourceType('n',"node") {
+			public Source getSource(Site site,long id) {
+				return site.getNode(id);
+			}
+			public String getIdField() {
+				return "node_id";
+			}
+		};
+		public static final SourceType AVATAR = new SourceType('a',"avatar") {
+			public Source getSource(Site site,long id) {
+				User user = site.getUser(id);
+				return user == null? null : new AvatarSource(user);
+			}
+			public String getIdField() {
+				return "user_id";
+			}
+		};
+		public static final SourceType SITE = new SourceType('s',"site") {
+			public Source getSource(Site site,long id) {
+				return site;
+			}
+			public String getIdField() {
+				return null;
+			}
+		};
+
+		private SourceType(char code,String name) {
+			super(map,code,name);
+		}
+
+		public abstract Source getSource(Site site,long id);
+		public abstract String getIdField();
+
+		public static SourceType getType(char code) {
+			return AbstractType.getType(map,code);
+		}
+	}
+
+	public interface Source {
+		public Site getSite();
+		public long getSourceId();
+		public SourceType getMessageSourceType();
+	}
+
+	public static class TempSource implements Source {
+		private final User user;
+
+		public TempSource(User user) {
+			this.user = user;
+		}
+
+		public Site getSite() {
+			return user.getSite();
+		}
+
+		public long getSourceId() {
+			return user.getId();
+		}
+
+		public SourceType getMessageSourceType() {
+			return SourceType.TEMP;
+		}
+	}
+
+	public static class AvatarSource implements Source {
+		private final User user;
+
+		public AvatarSource(User user) {
+			this.user = user;
+		}
+
+		public Site getSite() {
+			return user.getSite();
+		}
+
+		public long getSourceId() {
+			return user.getId();
+		}
+
+		public SourceType getMessageSourceType() {
+			return SourceType.AVATAR;
+		}
+
+		public User getUser() {
+			return user;
+		}
+	}
+
+
+	public static abstract class Format extends AbstractType<Format> {
+	
+		private static final Map<Character,Format> map = new HashMap<Character,Format>();
+	
+		public static Format getMessageFormat(char code) {
+			return AbstractType.getType(map,code);
+		}
+
+		Format(char code,String name) {
+			super(map,code,name);
+		}
+	
+		protected abstract String getText(String msg, Source source);
+	
+		protected abstract String getTextWithoutQuotes(String msg, Source source);
+		
+		protected abstract String getEmail(String msg,int i);
+
+		protected abstract Html parse(String msg,Message.Source source);
+
+		protected abstract Html parseForMailText(String msg,Message.Source source);
+
+		public String toString() {
+			return getName();
+		}
+	
+		public static final Format TEXT = MessageFormatImpls.TEXT;
+		public static final Format HTML = MessageFormatImpls.HTML;
+		public static final Format MAILING_LIST = MailingLists.msgFmt;
+		private static final Format SUBSCRIPTION = PostByEmail.msgFmt;
+
+		public boolean isMail() {
+			return this==MAILING_LIST || this==SUBSCRIPTION;
+		}
+	}
+
+
+	// Message
+
+	protected String raw;
+	protected final Format format;
+
+	public Message(String raw,Format format) {
+		this.raw = raw;
+		this.format = format;
+	}
+
+	public String getRaw() {
+		return raw;
+	}
+
+	public final Format getFormat() {
+		return format;
+	}
+
+	public Source getSource() {
+		return null;
+	}
+
+	public boolean equals(Object obj) {
+		if( !(obj instanceof Message) )
+			return false;
+		Message msg = (Message)obj;
+		return msg.format.equals(format) && msg.getRaw().equals(getRaw());
+	}
+	
+	public final String getText() {
+		return getFormat().getText(getRaw(),getSource());
+	}
+
+	public final String getTextWithoutQuotes() {
+		return getFormat().getTextWithoutQuotes(getRaw(),getSource());
+	}
+
+	public final String getEmail(int i) {
+		return getFormat().getEmail(getRaw(),i);
+	}
+
+	public final Html parse() {
+		return getFormat().parse(getRaw(),getSource());
+	}
+
+	public final Html parseForMailText() {
+		return getFormat().parseForMailText(getRaw(),getSource());
+	}
+
+
+	public static String wrapQuoteText(String text) {
+		StringBuilder buf = new StringBuilder(text);
+		wrapQuoteText(buf);
+		return buf.toString();
+	}
+
+	public static void wrapQuoteText(StringBuilder buf) {
+		String quot = "";
+		for (int i=0,n=0,space=-1; i<buf.length(); i++,n++) {
+			char c = buf.charAt(i);
+			if (c=='\n' || c=='\r') {
+				n = 0;
+				space = -1;
+				quot = getQuot(buf,i+1);
+			} else if (Character.isWhitespace(c) && n>quot.length()) {
+				space = i;
+			} else if (n>76 && space>=0) {
+				buf.setCharAt(space,'\n');
+				buf.insert(space+1,quot);
+				i+=quot.length();
+				n = i-space;
+				space = -1;
+			}
+		}
+	}
+
+	private static String getQuot(StringBuilder buf, int start) {
+		int end = buf.indexOf(" ",start);
+		if (end<=start) return "";
+		for (int i=start;i<end;i++) {
+			if (buf.charAt(i)!='>') return "";
+		}
+		return buf.substring(start, end+1);
+	}
+
+	public boolean isDeleted() {
+		return false;
+	}
+
+	public boolean isDeactivated() {
+		return false;
+	}
+
+	// for testing
+	public static String toHtml(String raw,Format format)
+		throws CompileException
+	{
+		Message msg = new Message(raw,format);
+		Program program = Program.getInstance(ModuleManager.getGenericModules());
+		Template template = program.getTemplate( "message_as_html",
+			BasicNamespace.class, MessageNamespace.class
+		);
+		StringWriter sw = new StringWriter();
+		template.run( new TemplatePrintWriter(sw), Collections.<String,Object>emptyMap(),
+			new BasicNamespace(template), new MessageNamespace(msg)
+		);
+		return sw.toString();
+	}
+
+
+	public static final Map<String,String> htmlSeparators = new HashMap<String,String>();
+	static {
+		htmlSeparators.put("a", " ");
+		htmlSeparators.put("/a", " ");
+		htmlSeparators.put("blockquote", "\n");
+		htmlSeparators.put("/blockquote", "\n");
+		htmlSeparators.put("br", "\n");
+		htmlSeparators.put("center", "\n");
+		htmlSeparators.put("/center", "\n");
+		htmlSeparators.put("div", "\n");
+		htmlSeparators.put("/div", "\n");
+		htmlSeparators.put("hr", "\n");
+		htmlSeparators.put("img", " ");
+		htmlSeparators.put("ul", "\n");
+		htmlSeparators.put("/ul", "\n");
+		htmlSeparators.put("li", "\n");
+		htmlSeparators.put("nabble_a", " ");
+		htmlSeparators.put("/nabble_a", " ");
+		htmlSeparators.put("nabble_img", " ");
+		htmlSeparators.put("ol", "\n");
+		htmlSeparators.put("/ol", "\n");
+		htmlSeparators.put("p", "\n");
+		htmlSeparators.put("/p", "\n");
+		htmlSeparators.put("pre", "\n");
+		htmlSeparators.put("/pre", "\n");
+		htmlSeparators.put("table", "\n");
+		htmlSeparators.put("/table", "\n");
+		htmlSeparators.put("tr", "\n");
+		htmlSeparators.put("th", "\t");
+		htmlSeparators.put("td", "\t");
+		htmlSeparators.put("h1", "\n");
+		htmlSeparators.put("/h1", "\n");
+		htmlSeparators.put("h2", "\n");
+		htmlSeparators.put("/h2", "\n");
+		htmlSeparators.put("h3", "\n");
+		htmlSeparators.put("/h3", "\n");
+		htmlSeparators.put("h4", "\n");
+		htmlSeparators.put("/h4", "\n");
+		htmlSeparators.put("h5", "\n");
+		htmlSeparators.put("/h5", "\n");
+		htmlSeparators.put("h6", "\n");
+		htmlSeparators.put("/h6", "\n");
+	}
+
+}