Unicode C++

Unzip Some Files by Iterating over Entries

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Demonstrates how to unzip specific files by iterating over entries in a .zip. Unicode C++

#include <CkZipW.h>
#include <CkStringBuilderW.h>
#include <CkZipEntryW.h>

void ChilkatSample(void)
    {
    bool success = false;

    //  This requires the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    CkZipW zip;

    //  Open a .zip containing:
    //  
    //  a1.xml
    //  b1.xml
    //  c1.xml
    //  dir1/a2.xml
    //  dir1/c2.xml
    //  dir2/dir3/c3.xml

    //  We wish to unzip only a1.xml, b1.xml, and c1.xml
    success = zip.OpenZip(L"qa_data/zips/xml_files.zip");
    if (success == false) {
        wprintf(L"%s\n",zip.lastErrorText());
        return;
    }

    CkStringBuilderW sbFilename;

    CkZipEntryW entry;
    int numEntries = zip.get_NumEntries();
    int i = 0;
    while (i < numEntries) {
        zip.EntryAt(i,entry);

        const wchar_t *entryFilePath = entry.fileName();
        wprintf(L"%s\n",entryFilePath);

        if (entry.get_IsDirectory() == false) {
            sbFilename.SetString(entryFilePath);
            if (sbFilename.Contains(L"/",false) == false) {
                //  Does not contain "/"
                //  Unzip to the qa_output directory.
                success = entry.Extract(L"qa_output");
                if (success == false) {
                    wprintf(L"Failed to unzip %s\n",entryFilePath);
                }
                else {
                    wprintf(L"Unzipped %s\n",entryFilePath);
                }

            }

        }

        i = i + 1;
    }
    }