antville/helma
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* Added list of empty HTML tags which are never closed in tag balancing code.

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* Added <br> to the list of pseudo-block elements to prevent further <br> tags to be
  generated if there already are any in the text.
This commit is contained in:
hns 2003-06-06 13:41:17 +00:00
parent f2c51c8e32
commit 6b92af2ae0
1 changed files with 33 additions and 6 deletions
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39
src/helma/util/HtmlEncoder.java
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@ -310,6 +310,7 @@ public final class HtmlEncoder {
swallowTwo.add("ul");
/// to be treated as block level elements
swallowTwo.add("br");
swallowTwo.add("dd");
swallowTwo.add("dt");
swallowTwo.add("frameset");
@ -322,6 +323,26 @@ public final class HtmlEncoder {
swallowAll.add("tr");
}
// set of tags that are always empty
static final HashSet emptyTags = new HashSet();
static {
emptyTags.add("area");
emptyTags.add("base");
emptyTags.add("basefont");
emptyTags.add("br");
emptyTags.add("col");
emptyTags.add("frame");
emptyTags.add("hr");
emptyTags.add("img");
emptyTags.add("input");
emptyTags.add("isindex");
emptyTags.add("link");
emptyTags.add("meta");
emptyTags.add("param");
}
/**
* Do "smart" encodging on a string. This means that valid HTML entities and tags,
* Helma macros and HTML comments are passed through unescaped, while
@ -470,9 +491,12 @@ public final class HtmlEncoder {
continue;
} else if (t > 1) {
for (int k = 1; k < t; k++) {
ret.append("</");
ret.append(openTags.pop());
ret.append(">");
Object tag = openTags.pop();
if (!emptyTags.contains(tag)) {
ret.append("</");
ret.append(tag);
ret.append(">");
}
}
}
@ -659,9 +683,12 @@ public final class HtmlEncoder {
if (o > 0) {
for (int k = 0; k < o; k++) {
ret.append("</");
ret.append(openTags.pop());
ret.append(">");
Object tag = openTags.pop();
if (!emptyTags.contains(tag)) {
ret.append("</");
ret.append(tag);
ret.append(">");
}
}
}