/**
* Get dependencies of a source file.
*
* @param path The canonical path of source file.
* @return Path of dependencies.
*/
private ArrayList<String> getDependencies(String path) {
if (!dependenceMap.containsKey(path)) {
ArrayList<String> dependencies = new ArrayList<String>();
Matcher m = PATTERN_REQUIRE.matcher(read(path, charset));
while (m.find()) {
// Decide which root path to use.
// Path wrapped in <> is related to root path.
// Path wrapped in "" is related to parent folder of the source file.
String root = null;
if (m.group(1).equals("<")) {
root = this.root;
} else {
root = new File(path).getParent();
}
// Get path of required file.
String required = m.group(2);
File f = new File(root, required);
if (f.exists()) {
dependencies.add(canonize(f));
} else {
App.exit("Cannot find required file " + required + " in " + path);
}
}
dependenceMap.put(path, dependencies);
}
return dependenceMap.get(path);
}
