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1
52
53 package freemarker.core;
54
55 import java.util.*;
56 import java.io.IOException  ;
57 import freemarker.template.TemplateException;
58
59
62 final class MixedContent extends TemplateElement {
63
64 MixedContent()
65 {
66 nestedElements = new ArrayList();
67 }
68
69 void addElement(TemplateElement element) {
70 nestedElements.add(element);
71 }
72
73 TemplateElement postParseCleanup(boolean stripWhitespace)
74 throws ParseException
75 {
76 super.postParseCleanup(stripWhitespace);
77 if (nestedElements.size() == 1) {
78 return (TemplateElement) nestedElements.get(0);
79 }
80 return this;
81 }
82
83
87 void accept(Environment env)
88 throws TemplateException, IOException
89 {
90 for (int i=0; i<nestedElements.size(); i++) {
91 TemplateElement element = (TemplateElement) nestedElements.get(i);
92 env.visit(element);
93 }
94 }
95
96 public String getCanonicalForm() {
97 StringBuffer buf = new StringBuffer ();
98 for (int i = 0; i<nestedElements.size(); i++) {
99 TemplateElement element = (TemplateElement) nestedElements.get(i);
100 buf.append(element.getCanonicalForm());
101 }
102 return buf.toString();
103 }
104
105 public String getDescription() {
106 if (parent == null) {
107 return "root element";
108 }
109 return "content"; }
111
112 boolean isIgnorable() {
113 return nestedElements == null || nestedElements.size() == 0;
114 }
115 }
116 |
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