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;
}
String version(Version version, String mask) {
if (version == null) {
String v = domain.getProperty("@");
if (v == null) {
domain.error(
"No version specified for ${version} or ${range} and no implicit version ${@} either, mask=%s",
mask);
v = "0";
}
version = new Version(v);
}
StringBuilder sb = new StringBuilder();
String del = "";
for (int i = 0; i < mask.length(); i++) {
char c = mask.charAt(i);
String result = null;
if (c != '~') {
if (i == 3) {
result = version.getQualifier();
} else if (Character.isDigit(c)) {
// Handle masks like +00, =+0
result = String.valueOf(c);
} else {
int x = version.get(i);
switch (c) {
case '+':
x++;
break;
case '-':
x--;
break;
case '=':
break;
}
result = Integer.toString(x);
}
if (result != null) {
sb.append(del);
del = ".";
sb.append(result);
}
}
}
return sb.toString();
}