adding cs142 code

cs142/lab10/util.cpp

@@ -0,0 +1,60 @@
+#include <vector>
+#include <string>
+using namespace std;
+#include <cstdlib>
+#include "util.h"
+
+vector<string> tokenize(const string & str, const string & delimiters) {
+    vector<string> tokens;
+    string::size_type lastPos = str.find_first_not_of(delimiters, 0);
+    string::size_type pos  = str.find_first_of(delimiters, lastPos);
+    while (string::npos != pos || string::npos != lastPos)
+    {
+        tokens.push_back(str.substr(lastPos, pos - lastPos));
+        lastPos = str.find_first_not_of(delimiters, pos);
+        pos = str.find_first_of(delimiters, lastPos);
+    }
+    return tokens;
+}
+
+bool parse_n_load(const string & input, string & name, string & type,
+        int & max_hp, int & strength, int & speed, int & magic) {
+    vector<string> tokens = tokenize(input);
+	vector<string> tokens2 = tokenize(input, ".");
+
+    if (tokens.size() != 6 or tokens2.size() > 1) {
+        return false;
+    }
+
+    name = tokens[0];
+
+    string parsed_type = tokens[1];
+    if(parsed_type.size() != 1) {
+        return false;
+    }
+    if (not (   parsed_type == "A"
+             or parsed_type == "C"
+             or parsed_type == "R")) {
+        return false;
+    }
+
+    type = parsed_type;
+    
+
+    int parsed_max_hp = atoi(tokens[2].c_str());
+    int parsed_strength = atoi(tokens[3].c_str());
+    int parsed_speed = atoi(tokens[4].c_str());
+    int parsed_magic = atoi(tokens[5].c_str());
+
+    if (parsed_max_hp == 0 or parsed_strength == 0 or parsed_speed == 0 or
+            parsed_magic == 0) {
+        return false;
+    }
+
+    max_hp = parsed_max_hp;
+    strength = parsed_strength;
+    speed = parsed_speed;
+    magic = parsed_magic;
+
+    return true;
+}