101 lines
No EOL
2.2 KiB
C++
Executable file
101 lines
No EOL
2.2 KiB
C++
Executable file
/* A more robust parser for the game. */
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#include <string>
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#include <iostream>
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#include <sstream>
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#include <stdlib.h>
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#include <unistd.h>
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#include <vector>
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#include "Parser.h"
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using namespace std;
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string myToUpper(string input) {
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string output;
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for (int i = 0 ; i < input.size(); ++i)
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{
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int numeric;
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if ((input[i] - 0 >= 97) && (input[i] - 0 <= 122))
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{
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numeric = input[i] - 32;
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output.push_back((char)numeric);
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}
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else output.push_back(input[i]);
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}
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return output;
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}
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void parseAndMove(vector<string> tokens, Board& board) {
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int col;
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int row;
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if(tokens[0].size() == 2) {
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if(tokens[1].size() >= 3 && tokens[1].size() <= 5) {
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cout << "Inside parser " << tokens[0] << "\n\n";
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if(tokens[0][0] - 'A' < 0 || tokens[0][0] - 'A' > 8) {
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cout << "Error. Invalid move location. (1st coord.)\n\n";
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cout << tokens[0][0] << " " << (tokens[0][0] - 'A') << "\n\n";
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return;
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}
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else if(tokens[0][1] - '0' < 0 || tokens[0][1] - '0' > 8) {
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cout << "Error. Invalid move location. (2nd coord.)\n\n";
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return;
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}
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else {
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col = tokens[0][0] - 'A';
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row = 8 - (tokens[0][1] - '0');
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}
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if(tokens[1] == "LEFT" || tokens[1] == "RIGHT" || tokens[1] == "FWD") {
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moves m(row, col, tokens[1]);
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board.move(m);
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}
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else {
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cout << "Error. Invalid moveType. (type)\n\n";
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return;
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}
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}
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else {
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cout << "Error. Invalid moveType. (size)\n\n";
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return;
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}
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}
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else {
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cout << "Error. Invalid move location. (size)\n\n";
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return;
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}
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}
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void parseCmd(vector<string> tokens, Board& board) {
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if(tokens[0] == "UNDO") {
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board = *(board.undo());
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}
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else if(tokens[0] == "DISPLAYRECORD") {
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cout << "record size: " << board.getRecord().size();
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vector<Board> record = board.getRecord();
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for(int i = 0; i < record.size(); ++i) {
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record[i].displayBoard();
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}
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}
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else {
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parseAndMove(tokens, board);
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}
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}
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void parse(string in, Board& board) {
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string input = myToUpper(in);
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stringstream ss(input);
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vector<string> tokens;
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string temp;
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while(ss >> temp) {
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tokens.push_back(temp);
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}
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parseCmd(tokens, board);
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} |