(C++) Iterate over Matching Filenames

Iterates over files within a .zip that match a pattern. In this case, the pattern is "*.pem". This example will open a .zip containing files of type .txt, .cer, .pem, and possibly others, and will iterate over only the .pem files.

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#include <CkZip.h>
#include <CkZipEntry.h>

void ChilkatSample(void)
    {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkZip zip;

    // Open a .zip containing PEM files, among other things..
    bool success = zip.OpenZip("qa_data/certs/thawte-roots.zip");
    if (success != true) {
        std::cout << zip.lastErrorText() << "\r\n";
        return;
    }

    CkZipEntry *entry = zip.FirstMatchingEntry("*.pem");
    if (zip.get_LastMethodSuccess() != true) {
        std::cout << "No PEM entries found." << "\r\n";
        return;
    }

    CkZipEntry *nextEntry = 0;
    const char *pemStr = 0;

    bool bContinue = true;
    while ((bContinue == true)) {

        std::cout << "Entry: " << entry->fileName() << "\r\n";

        // Get the uncommpressed contents of the entry:
        pemStr = entry->unzipToString(0,"utf-8");
        std::cout << pemStr << "\r\n";

        nextEntry = entry->NextMatchingEntry("*.pem");
        bContinue = entry->get_LastMethodSuccess();
        delete entry;
        entry = nextEntry;
    }
    }