ZIP_EXTERN zip_source_t *
zip_source_buffer(zip_t *za, const void *data, zip_uint64_t len, int freep)
{
if (za == NULL)
return NULL;
return zip_source_buffer_create(data, len, freep, &za->error);
}
COpcPackageReader::COpcPackageReader(_In_ PImportStream pImportStream)
{
if (pImportStream.get() == nullptr)
throw CNMRException(NMR_ERROR_INVALIDPARAM);
m_ZIPError.str = nullptr;
m_ZIPError.sys_err = 0;
m_ZIPError.zip_err = 0;
m_ZIParchive = nullptr;
m_ZIPsource = nullptr;
try {
// determine stream size
nfUint64 nStreamSize = pImportStream->retrieveSize();
pImportStream->seekPosition(0, true);
if (nStreamSize == 0)
throw CNMRException(NMR_ERROR_COULDNOTGETSTREAMPOSITION);
// read ZIP into memory
m_Buffer.resize ((size_t) nStreamSize);
pImportStream->readBuffer(&m_Buffer[0], nStreamSize, true);
// create ZIP objects
zip_error_init(&m_ZIPError);
m_ZIPsource = zip_source_buffer_create(&m_Buffer[0], (size_t) nStreamSize, 0, &m_ZIPError);
if (m_ZIPsource == nullptr)
throw CNMRException(NMR_ERROR_COULDNOTREADZIPFILE);
m_ZIParchive = zip_open_from_source(m_ZIPsource, ZIP_RDONLY | ZIP_CHECKCONS, &m_ZIPError);
if (m_ZIParchive == nullptr)
throw CNMRException(NMR_ERROR_COULDNOTREADZIPFILE);
// Get ZIP Content
nfInt64 nEntryCount = zip_get_num_entries(m_ZIParchive, ZIP_FL_UNCHANGED);
if (nEntryCount < 0)
throw CNMRException(NMR_ERROR_COULDNOTREADZIPFILE);
// List Entries
nfInt64 nIndex;
for (nIndex = 0; nIndex < nEntryCount; nIndex++) {
const char * pszName = zip_get_name(m_ZIParchive, (nfUint64) nIndex, ZIP_FL_ENC_GUESS);
std::string sUTF8Name(pszName);
std::wstring sUTF16Name = fnUTF8toUTF16(sUTF8Name);
m_ZIPEntries.insert(std::make_pair(sUTF16Name, nIndex));
}
readContentTypes();
readRootRelationships();
}
catch (...)
{
releaseZIP();
throw;
}
}
zip_source_t *loadFromFile()
{
zip_error_t error;
static unsigned char data[1000];
FILE *x = fopen("x.zip", "r");
size_t n = fread(data, 1, 1000, x);
fprintf(stderr, "fread: n=%d\n", n);
zip_source_t *zsrc = zip_source_buffer_create(data, n, 0, &error);
return zsrc;
}
tt_zipsrc_t *tt_zipsrc_blob_create(IN void *p,
IN tt_u32_t len,
IN tt_bool_t free)
{
zip_source_t *zs;
zip_error_t ze;
// TT_ASSERT(p != NULL);
zs = zip_source_buffer_create(p, len, free, &ze);
if (zs != NULL) {
return zs;
} else {
TT_ERROR("fail to create zipsrc blob: %s", zip_error_strerror(&ze));
return NULL;
}
}
int main()
{
zip_source_t *zsrc = loadFromFile();
if (!zsrc) return 1;
fprintf(stderr, "zip_open_from_source...\n");
zip_error_t error;
zip_error_init(&error);
zip_t *archive = zip_open_from_source(zsrc, 0, &error);
if (!archive) return 2;
zip_error_fini(&error);
show(archive, "after zip_open_from_source");
const char *name = "y.txt";
zip_flags_t flags = 0;
zip_source_t *otherZsrc = zip_source_buffer_create("hello", 5, 0, &error);
fprintf(stderr, "zip_file_add...\n");
zip_int64_t i = zip_file_add(archive, name, otherZsrc, flags);
fprintf(stderr, "zip_file_add(): i=%lld\n", i);
//
show(archive, "after zip_file_add");
zip_source_keep(zsrc);
int ret;
ret = zip_close(archive);
// print to stdout
zip_stat_t zst;
ret = zip_source_stat(zsrc, &zst);
fprintf(stderr, "zip_source_stat: ret=%d, zst.size=%d\n", ret, zst.size);
ret = zip_source_open(zsrc);
fprintf(stderr, "zip_source_open: ret=%d\n", ret);
unsigned char data[10000];
zip_uint64_t n = zip_source_read(zsrc, data, sizeof(data));
fprintf(stderr, "zip_source_read: n=%d\n", n);
write(1, data, n); // print to stdout
}