CArgs/example.c

#include <stdio.h>
#include "cargs.h"

int main(int argc, char* argv[]) 
{
    __cargs_decimal dbl = 0; 
    __cargs_int i = 0; 
    char* str = NULL; 
    __cargs_bool b1 = __cargs_false;
    __cargs_bool b2 = __cargs_false; 
    __cargs_bool needPrintHelp = __cargs_false; 

    OptionData options[] = {
        decimalArg('d', "decimal", &dbl, "This is a decimal arg.\nHello world"),
        integerArg('i', "integer", &i, "This is an integer arg"),
        stringArg('s', "string", &str, "This is a string arg"),
        booleanArg('b', "boolean", &b1, "This is a first boolean arg"),
        booleanArg('k', NULL, &b2, "This is a second boolean arg"),
        integerArg(0, "integer-noref", NULL, "Integer arg without ref"),
        booleanArg(0, "help", &needPrintHelp, "Open help text"),
        integerArg('x', "index", NULL, "Index"),
    };

    ParseContext context = {
        .items = options,
        .itemsCount = 8,
    }; 

    ParseResult* result = parseArgs(&context, argc, argv); 
    int errorsStatus = printErrors(&context, result, argc, argv);
    if (errorsStatus) {
        return 1; 
    }

    if (needPrintHelp) {
        printHelp(&context); 
        return 0; 
    }

    printf("Decimal: %f\n", dbl); 
    printf("Integer: %d\n", i); 
    printf("String: %s\n", str); 
    printf("Boolean 1: %d\n", b1); 
    printf("Boolean 2: %d\n", b2); 

    printf("Free values:\n"); 
    for (int i = 0; i < result->freeValuesCount; i++) {
        printf("    %s\n", result->freeValues[i]); 
    }

    printf("Integer options (amount: %zu):\n", result->integerOptionsCount); 
    for (size_t i = 0; i < result->integerOptionsCount; i++) {
        const char shortName = options[result->integerOptions[i]].shortOption;
        printf("    %c: %d\n", shortName == 0 ? '?' : shortName, result->integerValues[i]); 
    }

    freeResult(result); 
    return 0; 
}