public static int parse(String stmt, int offset) {
int i = offset;
for (; i < stmt.length(); i++) {
switch (stmt.charAt(i)) {
case ' ':
continue;
case '/':
case '#':
i = ParseUtil.comment(stmt, i);
continue;
case 'M':
case 'm':
return mycatCheck(stmt, i);
case 'D':
case 'd':
return dataCheck(stmt, i);
case 'T':
case 't':
return tableCheck(stmt, i);
default:
return OTHER;
}
}
return OTHER;
}
// SHOW DATABASES
static int showDatabases(String stmt, int offset) {
if (stmt.length() > offset + "ases".length()) {
char c1 = stmt.charAt(++offset);
char c2 = stmt.charAt(++offset);
char c3 = stmt.charAt(++offset);
char c4 = stmt.charAt(++offset);
if ((c1 == 'A' || c1 == 'a')
&& (c2 == 'S' || c2 == 's')
&& (c3 == 'E' || c3 == 'e')
&& (c4 == 'S' || c4 == 's')
&& (stmt.length() == ++offset || ParseUtil.isEOF(stmt.charAt(offset)))) {
return DATABASES;
}
}
return OTHER;
}
// SHOW MyCat_STATUS
static int showMyCatStatus(String stmt, int offset) {
if (stmt.length() > offset + "tatus".length()) {
char c1 = stmt.charAt(++offset);
char c2 = stmt.charAt(++offset);
char c3 = stmt.charAt(++offset);
char c4 = stmt.charAt(++offset);
char c5 = stmt.charAt(++offset);
if ((c1 == 't' || c1 == 'T')
&& (c2 == 'a' || c2 == 'A')
&& (c3 == 't' || c3 == 'T')
&& (c4 == 'u' || c4 == 'U')
&& (c5 == 's' || c5 == 'S')
&& (stmt.length() == ++offset || ParseUtil.isEOF(stmt.charAt(offset)))) {
return MYCAT_STATUS;
}
}
return OTHER;
}
// SHOW DATASOURCES
static int showDataSources(String stmt, int offset) {
if (stmt.length() > offset + "ources".length()) {
char c1 = stmt.charAt(++offset);
char c2 = stmt.charAt(++offset);
char c3 = stmt.charAt(++offset);
char c4 = stmt.charAt(++offset);
char c5 = stmt.charAt(++offset);
char c6 = stmt.charAt(++offset);
if ((c1 == 'O' || c1 == 'o')
&& (c2 == 'U' || c2 == 'u')
&& (c3 == 'R' || c3 == 'r')
&& (c4 == 'C' || c4 == 'c')
&& (c5 == 'E' || c5 == 'e')
&& (c6 == 'S' || c6 == 's')
&& (stmt.length() == ++offset || ParseUtil.isEOF(stmt.charAt(offset)))) {
return DATASOURCES;
}
}
return OTHER;
}
// SHOW MyCat_CLUSTER
static int showMyCatCluster(String stmt, int offset) {
if (stmt.length() > offset + "luster".length()) {
char c1 = stmt.charAt(++offset);
char c2 = stmt.charAt(++offset);
char c3 = stmt.charAt(++offset);
char c4 = stmt.charAt(++offset);
char c5 = stmt.charAt(++offset);
char c6 = stmt.charAt(++offset);
if ((c1 == 'L' || c1 == 'l')
&& (c2 == 'U' || c2 == 'u')
&& (c3 == 'S' || c3 == 's')
&& (c4 == 'T' || c4 == 't')
&& (c5 == 'E' || c5 == 'e')
&& (c6 == 'R' || c6 == 'r')
&& (stmt.length() == ++offset || ParseUtil.isEOF(stmt.charAt(offset)))) {
return MYCAT_CLUSTER;
}
}
return OTHER;
}