int process(CharSequence org, int index, char begin, char end, StringBuilder result, Link link) {
StringBuilder line = new StringBuilder(org);
int nesting = 1;
StringBuilder variable = new StringBuilder();
outer:
while (index < line.length()) {
char c1 = line.charAt(index++);
if (c1 == end) {
if (--nesting == 0) {
result.append(replace(variable.toString(), link));
return index;
}
} else if (c1 == begin) nesting++;
else if (c1 == '\\' && index < line.length() - 1 && line.charAt(index) == '$') {
// remove the escape backslash and interpret the dollar
// as a
// literal
index++;
variable.append('$');
continue outer;
} else if (c1 == '$' && index < line.length() - 2) {
char c2 = line.charAt(index);
char terminator = getTerminator(c2);
if (terminator != 0) {
index = process(line, index + 1, c2, terminator, variable, link);
continue outer;
}
} else if (c1 == '.' && index < line.length() && line.charAt(index) == '/') {
// Found the sequence ./
if (index == 1 || Character.isWhitespace(line.charAt(index - 2))) {
// make sure it is preceded by whitespace or starts at begin
index++;
variable.append(domain.getBase().getAbsolutePath());
variable.append('/');
continue outer;
}
}
variable.append(c1);
}
result.append(variable);
return index;
}
