StringHelper.cpp

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#include "Headers/StringHelper.h"
 
#include "Platform/File/Headers/FileManagement.h"
 
namespace Divide::Util {
 
namespace detail
{
    dvd_allocator<char> s_allocator;
} //namespace detail
 
bool FindCommandLineArgument(const int argc, char** argv, const char* target_arg, const char* arg_prefix)
{
    string tempArg(arg_prefix);
    tempArg += target_arg;
    const char* target = tempArg.c_str();
 
    for (int i = 0; i < argc; ++i) {
        if (strcasecmp(argv[i], target) == 0) {
            return true;
        }
    }
    return false;
}
 
bool ExtractStartupProject( int argc, char** argv, string& projectOut, const char* arg_prefix)
{
    string tempArg( arg_prefix );
 
    for(int i = 0; i < argc; ++i)
    {
        if (auto m = ctre::match<Paths::g_useProjectPattern>(argv[i]))
        {
            projectOut = m.get<2>();
            return true;
        }
    }
 
    return false;
}
 
bool IsNumber(const char* s) {
    F32 number = 0.0f;
    if (istringstream(s) >> number) {
        return !(IS_ZERO(number) && s[0] != 0);
    }
    return false;
}
 
void CStringRemoveChar(char* str, const char charToRemove) noexcept {
    char *pr = str, *pw = str;
    while (*pr) {
        *pw = *pr++;
        pw += *pw != charToRemove;
    }
    *pw = '\0';
}
 
bool IsEmptyOrNull(const char* str) noexcept {
    return str == nullptr || str[0] == '\0';
}
 
//ref: http://c-faq.com/stdio/commaprint.html
char *commaprint(U64 number) noexcept {
    static int comma = '\0';
    static char retbuf[30];
    char *p = &retbuf[sizeof(retbuf) - 1];
    int i = 0;
 
    if (comma == '\0') {
        struct lconv *lcp = localeconv();
        if (lcp != nullptr) {
            if (lcp->thousands_sep != nullptr &&
                *lcp->thousands_sep != '\0')
                comma = *lcp->thousands_sep;
            else    comma = ',';
        }
    }
 
    *p = '\0';
 
    do {
        if (i % 3 == 0 && i != 0)
            *--p = (char)comma;
        *--p = '0' + number % 10;
        number /= 10;
        i++;
    } while (number != 0);
 
    return p;
}
 
} //namespace Divide::Util