/** Reflow XML */
public void doFormat() {
Vector parts = new Vector();
char[] chars = original.toCharArray();
int index = 0;
int first = 0;
String part = null;
while (index < chars.length) {
// Check for start of tag
if (chars[index] == '<') {
// Did we have data before this tag?
if (first < index) {
part = new String(chars, first, index - first);
part = part.trim();
// Save non-whitespace data
if (part.length() > 0) {
parts.addElement(part);
}
}
// Save the start of tag
first = index;
}
// Check for end of tag
if (chars[index] == '>') {
// Save the tag
part = new String(chars, first, index - first + 1);
parts.addElement(part);
first = index + 1;
}
// Check for end of line
if ((chars[index] == '\n') || (chars[index] == '\r')) {
// Was there data on this line?
if (first < index) {
part = new String(chars, first, index - first);
part = part.trim();
// Save non-whitespace data
if (part.length() > 0) {
parts.addElement(part);
}
}
first = index + 1;
}
index++;
}
// Reflow as XML
StringBuffer buf = new StringBuffer();
Object[] list = parts.toArray();
int indent = 0;
int pad = 0;
index = 0;
while (index < list.length) {
part = (String) list[index];
if (buf.length() == 0) {
// Just add first tag (should be XML header)
buf.append(part);
} else {
// All other parts need to start on a new line
buf.append('\n');
// If we're at an end tag then decrease indent
if (part.startsWith("</")) {
indent--;
}
// Add any indent
for (pad = 0; pad < indent; pad++) {
buf.append(" ");
}
// Add the tag or data
buf.append(part);
// If this is a start tag then increase indent
if (part.startsWith("<") && !part.startsWith("</") && !part.endsWith("/>")) {
indent++;
// Check for special <tag>data</tag> case
if ((index + 2) < list.length) {
part = (String) list[index + 2];
if (part.startsWith("</")) {
part = (String) list[index + 1];
if (!part.startsWith("<")) {
buf.append(part);
part = (String) list[index + 2];
buf.append(part);
index = index + 2;
indent--;
}
}
}
}
}
index++;
}
formatted = new String(buf);
}
