private static Sector parseSectorName(String line) {
int index1 = line.indexOf('[');
int index2 = line.indexOf(']');
if (index1 < 0 || index2 < 0 || index1 > index2) return null;
int index3 = StringUtil.find_first_of(line, COMMENT_STARTERS, index2);
// 检查 space0
int index = StringUtil.find_first_not_of(line, SPACES);
if (index < 0 || index < index1) return null;
// 检查 space3
index = StringUtil.find_first_not_of(line, SPACES, index2 + 1);
if ((index3 < 0 && index >= 0) || (index < index3)) return null;
Sector ret = new Sector();
ret.space0 = line.substring(0, index1);
if (index3 >= 0) ret.space3 = line.substring(index2 + 1, index3);
else ret.space3 = line.substring(index2 + 1);
if (index3 >= 0) ret.comment = line.substring(index3);
else ret.comment = null;
ret.name = line.substring(index1 + 1, index2);
index = StringUtil.find_first_not_of(ret.name, SPACES);
if (index >= 0) {
ret.space1 = ret.name.substring(0, index);
ret.name = ret.name.substring(index);
index = StringUtil.find_last_not_of(ret.name, SPACES);
if (index >= 0) {
ret.space2 = ret.name.substring(index + 1);
ret.name = ret.name.substring(0, index + 1);
} else {
ret.space2 = null;
}
} else {
ret.space1 = ret.name;
ret.name = null;
ret.space2 = null;
}
return ret;
}
