public TextState copyAll() {
TextState tmp = copyState();
if (s.length() == 0) return tmp;
for (int i = 0; i < s.length(); i++) {
tmp.s.append(s.charAt(i));
}
return tmp;
}
/**
* This method inserts a blank character between to consecutive newline characters if encoutered.
* Also appends a blank character at the beginning of the text, if the first character is a
* newline character and at the end of the text, if the last character is also a newline. This is
* useful when trying to layout the paragraphs. Thanks to Teodor Danciu for this this method (c)
* 2003 Teodor Danciu
*/
public static String treatNewLineChars(String source) {
String result = source;
if (source != null && source.length() > 0) {
StringBuffer sbuffer = new StringBuffer(source);
// insert a blank character between every two consecutives
// newline characters
int offset = source.length() - 1;
int pos = source.lastIndexOf("\n\n", offset);
while (pos >= 0 && offset > 0) {
sbuffer = sbuffer.insert(pos + 1, " ");
offset = pos - 1;
pos = source.lastIndexOf("\n\n", offset);
}
// append a blank character at the and of the text
// if the last character is a newline character
if (sbuffer.charAt(sbuffer.length() - 1) == '\n') {
sbuffer.append(' ');
}
// append a blank character at the begining of the text
// if the first character is a newline character
if (sbuffer.charAt(0) == '\n') {
sbuffer.insert(0, ' ');
}
result = sbuffer.toString();
}
// remove this if you want to treat the tab characters in a special way
result = replaceTabWithBlank(result);
return result;
}