X-Git-Url: http://git.megacz.com/?p=sbp.git;a=blobdiff_plain;f=src%2Fedu%2Fberkeley%2Fsbp%2Futil%2FToHTML.java;h=67b8761c5395bedaa9cbd1acf42ed9942f81f9f3;hp=bec40bf467bd4f47fc4073a7faa84502862d362e;hb=f069d11a0bc59d63b078df8a4aa488498c4e9cc2;hpb=e2bfdb3f53cd40b7e3c92ce27ac473b7585c6177

diff --git a/src/edu/berkeley/sbp/util/ToHTML.java b/src/edu/berkeley/sbp/util/ToHTML.java
index bec40bf..67b8761 100644
--- a/src/edu/berkeley/sbp/util/ToHTML.java
+++ b/src/edu/berkeley/sbp/util/ToHTML.java
@@ -1,3 +1,5 @@
+// Copyright 2006-2007 all rights reserved; see LICENSE file for BSD-style license
+
 package edu.berkeley.sbp.util;
 import java.io.*;
 import java.util.*;
@@ -8,18 +10,46 @@ public interface ToHTML {
     public static class HTML {
         private final StringBuffer sb;
         public HTML(StringBuffer sb) { this.sb = sb; }
-        public void append(String s) {
-            /* FIXME */
-            sb.append(s);
+
+        public void appendLiterally(String s) { sb.append(s); }
+        public void appendLiterally(char c) { sb.append(c); }
+
+        public void appendText(String s) {
+            sb.append(escapify(s));
         }
+
+        public String escapify(String s) {
+            StringBuffer sb = new StringBuffer();
+            for(int i=0; i<s.length(); i++) {
+                char c = s.charAt(i);
+                switch(c) {
+                    case '&':  sb.append("&amp;"); break;
+                    case '<':  sb.append("&lt;"); break;
+                    case '>':  sb.append("&gt;"); break;
+                    case '\'': sb.append("&apos;"); break;
+                    case '\"': sb.append("&quot;"); break;
+                    default:
+                        if (c < 32 || c >= 127) {
+                            sb.append("&#x" + Integer.toString((int)(c & 0xffff), 16) + ";");
+                        } else {
+                            sb.append(c);
+                        }
+                }
+            }
+            return sb.toString();
+        }
+
+        public void entity(int entity) { appendLiterally("&#"+entity+";"); }
+        public void entity(String entity) { appendLiterally("&"+entity+";"); }
+
         public void append(Object o) {
-            if (o==null)                    append("<tt><font color=red>null</font></tt>");
+            if (o==null)                    appendLiterally("<tt><font color=red>null</font></tt>");
             else if (o instanceof ToHTML)   ((ToHTML)o).toHTML(this);
             else if (o instanceof Object[]) append((Object[])o);
-            else                            append(o.toString());
+            else                            appendText(o.toString());
         }
         public void append(int i) { sb.append(i); }
-        public void append(char c) { sb.append(c); }
+        public void append(char c) { append(""+c); }
 
         public void append(Object[] o) {
             for(int i=0; i<o.length; i++) {
@@ -28,17 +58,38 @@ public interface ToHTML {
             }
         }
 
-        public void tag(String s, Object o) {
-            if (s != null) {
-                append("<");
-                append(s);
-                append(">");
-            }
+        public void tag(String s) {
+            appendLiterally("<");
+            appendLiterally(s);
+            appendLiterally("/>");
+        }
+        public void openTag(String s) { openTag(s, null); }
+        public void openTag(String s, Object[] attrs) {
+            appendLiterally("<");
+            appendLiterally(s);
+            if (attrs != null)
+                for(int i=0; i<attrs.length; i+=2) {
+                    appendLiterally(' ');
+                    append(attrs[i]);
+                    appendLiterally("=\'");
+                    append(attrs[i+1]);
+                    appendLiterally("\'");
+                }
+            appendLiterally(">");
+        }
+        public void closeTag(String s) {
+            appendLiterally("</");
+            appendLiterally(s);
+            appendLiterally(">");
+        }
+        public void tag(String s, Object o) { tag(s, null, o); }
+        public void tag(String s, Object[] attrs, Object o) {
+            if (s != null) openTag(s, attrs);
             append(o);
             if (s != null) {
-                append("</");
-                append(s);
-                append(">");
+                appendLiterally("</");
+                appendLiterally(s);
+                appendLiterally(">");
             }
         }