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(Unicode C) Unzip Some Files by Iterating over EntriesDemonstrates how to unzip specific files by iterating over entries in a .zip.
#include <C_CkZipW.h> #include <C_CkStringBuilderW.h> #include <C_CkZipEntryW.h> void ChilkatSample(void) { HCkZipW zip; BOOL success; HCkStringBuilderW sbFilename; int numEntries; int i; HCkZipEntryW entry; const wchar_t *entryFilePath; // This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. zip = CkZipW_Create(); // 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 = CkZipW_OpenZip(zip,L"qa_data/zips/xml_files.zip"); if (success != TRUE) { wprintf(L"%s\n",CkZipW_lastErrorText(zip)); CkZipW_Dispose(zip); return; } sbFilename = CkStringBuilderW_Create(); numEntries = CkZipW_getNumEntries(zip); i = 0; while (i < numEntries) { entry = CkZipW_GetEntryByIndex(zip,i); entryFilePath = CkZipEntryW_fileName(entry); wprintf(L"%s\n",entryFilePath); if (CkZipEntryW_getIsDirectory(entry) == FALSE) { CkStringBuilderW_SetString(sbFilename,entryFilePath); if (CkStringBuilderW_Contains(sbFilename,L"/",FALSE) == FALSE) { // Does not contain "/" // Unzip to the qa_output directory. success = CkZipEntryW_Extract(entry,L"qa_output"); if (success == FALSE) { wprintf(L"Failed to unzip %s\n",entryFilePath); } else { wprintf(L"Unzipped %s\n",entryFilePath); } } } CkZipEntryW_Dispose(entry); i = i + 1; } CkZipW_Dispose(zip); CkStringBuilderW_Dispose(sbFilename); } |
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