FlightSimulator-Interpreter/IfCommand.cpp at master · NarkisShallev/FlightSimulator-Interpreter · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
#include "IfCommand.h"
#include "ConditionParser.h"

IfCommand::IfCommand(DataCommands *dataCommands, DataVars *dataVars) {
    this->dataCommands = dataCommands;
    this->dataVars = dataVars;
}

void IfCommand::doCommand() {
    // get the index from dataCommands
    unsigned long index = this->dataCommands->getIndex();
    // skip the command
    index++;

    // get the left from the vector in dataCommands
    string left = this->dataCommands->getSeparated().at(index);
    // skip the left
    index++;

    // get the operator from the vector in dataCommands
    string oper = this->dataCommands->getSeparated().at(index);
    // skip the oper
    index++;

    // get the right from the vector in dataCommands
    string right = this->dataCommands->getSeparated().at(index);
    // skip the right
    index++;

    ConditionParser *conditionParser;
    conditionParser = new ConditionParser(left, oper, right, this->dataVars);
    this->deathMap.push_back(conditionParser);

    unordered_map<string, Command *> stringsToCommands = dataCommands->getStringsToCommands();
    unsigned long oldIndex = index;


    if (conditionParser->checkCondition()) {
        index = oldIndex;
        // set the new index of dataCommands
        this->dataCommands->setIndex(oldIndex);

        auto it1 = this->dataCommands->getSeparated().begin();
        it1 += index;
        Command *command;
        int bracesCounter = 0;
        do {
            if (this->dataCommands->getSeparated().at(index).find('{') != string::npos) {
                bracesCounter++;
                index++;
                it1++;
                // set the new index of dataCommands
                this->dataCommands->setIndex(index);
                continue;
            } else if (this->dataCommands->getSeparated().at(index).find('}') != string::npos) {
                bracesCounter--;
                index++;
                // set the new index of dataCommands
                this->dataCommands->setIndex(index);
                continue;
            }
            auto it2 = stringsToCommands.find(*it1);
            if (it2 == stringsToCommands.end()) {
                it1++;
                continue;
            }

            command = it2->second;
            command->doCommand();

            index = this->dataCommands->getIndex();
            it1 = this->dataCommands->getSeparated().begin();
            it1 += index;

        } while (bracesCounter != 0);
    } else {
        //index++ until we get to the }
        while (this->dataCommands->getSeparated().at(index).find('}')==string::npos){
            index++;
        }
        //skip }
        index++;
    }

    // set the new index of dataCommands
    this->dataCommands->setIndex(index);
}