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Aktualizovat du3/program.c

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This commit is contained in:
Tomáš Vlček 2026-03-19 10:43:53 +00:00
parent bf0356868d
commit 460f6b085d
1 changed files with 26 additions and 23 deletions
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49
du3/program.c
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@ -67,16 +67,40 @@ int main()
num2Temp[0] = '\0'; num2Temp[0] = '\0';
resultTemp[0] = '\0'; resultTemp[0] = '\0';
bool foundEqualSign = false; bool foundEqualSign = false;
bool isNegativeSign = false;
char op1 = 'N'; //N = 'None/NIC' char op1 = 'N'; //N = 'None/NIC'
for (int i = 0; strBuffer[i] != '\0'; i++) for (int i = 0; strBuffer[i] != '\0'; i++)
{ {
bool isNegativeSign = false;
if (isspace(strBuffer[i]) != 0) if (isspace(strBuffer[i]) != 0)
{ {
continue; continue;
} }
else if (strBuffer[i] == '-')
{
//kontrola - zistenie, ze ci znak '-' symbolizuje zapornu hodnotu (-456) alebo arit. operaciu minus
//zistujeme to na zaklade toho, kde sme v riadku (ak sme na zaciatku num1, num2 alebo vyslednehoCisla, tak sa jedna o minusove znamienko)
if (op1 == 'N' && strlen(num1Temp) == 0)
{
isNegativeSign = true;
}
else if (op1 != 'N' && !foundEqualSign && strlen(num2Temp) == 0)
{
isNegativeSign = true;
}
else if (foundEqualSign && strlen(resultTemp) == 0)
{
isNegativeSign = true;
}
}
else
{
isLineInvalid = true;
break;
}
else if (isdigit(strBuffer[i]) != 0 || strBuffer[i] == '.') else if (isdigit(strBuffer[i]) != 0 || strBuffer[i] == '.')
{ {
//cislo sa bude zapisovat podla toho, kde sme pri citani riadku... //cislo sa bude zapisovat podla toho, kde sme pri citani riadku...
@ -105,34 +129,13 @@ int main()
else if (strBuffer[i] == '+' || strBuffer[i] == '-' || strBuffer[i] == '/' || strBuffer[i] == '*') else if (strBuffer[i] == '+' || strBuffer[i] == '-' || strBuffer[i] == '/' || strBuffer[i] == '*')
{ {
//predbezna kontrola, ak uz operator mame tak vyhod chybu pri druhom pokuse o nacitanie //predbezna kontrola, ak uz operator mame tak vyhod chybu pri druhom pokuse o nacitanie
//taktiez, ak sa nasiel minusovy znak tu tak to moze byt len arit. znamienko
if (op1 != 'N') if (op1 != 'N')
{ {
isLineInvalid = true; isLineInvalid = true;
} }
op1 = strBuffer[i]; op1 = strBuffer[i];
} }
else if (strBuffer[i] == '-')
{
//kontrola - zistenie, ze ci znak '-' symbolizuje zapornu hodnotu (-456) alebo arit. operaciu minus
//zistujeme to na zaklade toho, kde sme v riadku (ak sme na zaciatku num1, num2 alebo vyslednehoCisla, tak sa jedna o minusove znamienko)
if (op1 == 'N' && strlen(num1Temp) == 0)
{
isNegativeSign = true;
}
else if (op1 != 'N' && !foundEqualSign && strlen(num2Temp) == 0)
{
isNegativeSign = true;
}
else if (foundEqualSign && strlen(resultTemp) == 0)
{
isNegativeSign = true;
}
}
else
{
isLineInvalid = true;
break;
}
} }