nathanwoodburn/comp1110-ass2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 1 Wiki Activity

BlueLagoon: changed isStateStringWellFormed to just regex match

Browse Source
This commit is contained in:
Nathan Woodburn 2023-03-24 12:20:14 +11:00
parent 9e33b57ce7
commit 9239293a26
Signed by: nathanwoodburn
GPG Key ID: 203B000478AD0EF1
1 changed files with 27 additions and 66 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

83
src/comp1110/ass2/BlueLagoon.java
View File

@ -31,75 +31,36 @@ public class BlueLagoon {
*/
public static boolean isStateStringWellFormed(String stateString){
// Check if the string is empty
if (stateString == ""){
return false;
}
// Create an array of regex strings to match the state string
// The state string contains 5 parts, each of which is matched by a regex string
String[] matchArray = new String[6];
// Check if the last character is a semicolon
if (stateString.charAt(stateString.length()-1) != ';'){
return false;
}
// For the gameArrangementStatement use the following regex string
matchArray[0] = "a \\d{1,2} \\d{1,2}; ";
// For the currentStateStatement use the following regex string
matchArray[1] = "c \\d{1,2} [E|S]; ";
// For the islandStatement use the following regex string
matchArray[2] = "(i \\d{1,2} (\\d{1,2},\\d{1,2} )*\\d{1,2},\\d{1,2}; )*";
// Split string by semicolon
String[] splitStateString = stateString.split("; ");
// For the stonesStatement use the following regex string
matchArray[3] = "(s (\\d{1,2},\\d{1,2} )+\\d{1,2},\\d{1,2}; )";
for (String sub: splitStateString){
switch (sub.substring(0,1)) {
case "a": {
// Check if the string is well formed for game arrangement
// string should be a [0-9] [0-9] with each number being 1 or 2 digits
if (!sub.matches("a \\d{1,2} \\d{1,2}")) {
return false;
}
break;
}
case "c": {
// Check if the string is well formed for current state
// string should be c [0-9] E/S or c [0-9] E/S
// For the resources and statuettes use the following regex string
matchArray[4] = "r C (\\d{1,2},\\d{1,2} )*B (\\d{1,2},\\d{1,2} )*W (\\d{1,2},\\d{1,2} )*P (\\d{1,2},\\d{1,2} )*S( \\d{1,2},\\d{1,2})*;";
if (!sub.matches("c \\d{1,2} [E|S]")) {
return false;
}
break;
}
case "i": {
// Check if the string is well formed for island
// For the playersStatement use the following regex string
matchArray[5] = "( p \\d \\d{1,3} \\d{1,2} \\d{1,2} \\d{1,2} \\d{1,2} \\d{1,2} S (\\d{1,2},\\d{1,2} )*T( (\\d{1,2},\\d{1,2} ?)*)?;)*";
if (!sub.matches("i \\d{1,2} (\\d{1,2},\\d{1,2} )*\\d{1,2},\\d{1,2}")) {
// Combine the regex strings into one string to match the state string
String matchString = "";
for (String match:matchArray){
matchString += match;
}
// Check if the state string matches the regex string
if (!stateString.matches(matchString)) {
return false;
}
break;
}
case "s": {
// Check if the string is well formed for stones
if (!sub.matches("s (\\d{1,2},\\d{1,2} )+\\d{1,2},\\d{1,2}")) {
return false;
}
break;
}
case "r":{
// Check if the string is well formed for the unclaimed resources and statuettes
if (!sub.matches("r C (\\d{1,2},\\d{1,2} )*B (\\d{1,2},\\d{1,2} )*W (\\d{1,2},\\d{1,2} )*P (\\d{1,2},\\d{1,2} )*S( \\d{1,2},\\d{1,2})*")){
return false;
}
break;
}
case "p": {
// Check if the string is well formed for the player info
if (!sub.matches("p \\d \\d{1,3} \\d{1,2} \\d{1,2} \\d{1,2} \\d{1,2} \\d{1,2} S (\\d{1,2},\\d{1,2} )*T( (\\d{1,2},\\d{1,2} ?)*)?;?")){
return false;
}
break;
}
default: {
// If the string does not start with any of the above characters, it is not well formed
return false;
}
}
}
return true;
}