/**
* @fn int z_uncompress(z_t zip, const char* password, z_uncompress_callback_fct callback)
* @brief Unzip the ZIP files.
* @param zip ZIP context.
* @param password The zip password else NULL or empty.
* @param callback Callback to received the uncompressed file datas.
* @return -1 on failure else 0.
*/
int z_uncompress(z_t zip, const char* password, z_uncompress_callback_fct callback) {
uLong i;
struct zentry_s entry;
int ret = 0;
struct z_s* z = Z_CAST(zip);
if(!Z_VALID_OPEN(z)) {
logger(LOG_ERR, "Invalid zip pointer!\n");
return -1;
}
if(!callback) {
logger(LOG_ERR, "Invalid file content callback!\n");
return -1;
}
/* Loop to list all files */
for(i = 0; i < z->ginfo.number_entry; i++) {
memset(&entry, 0, sizeof(struct zentry_s));
/* Get info about current file. */
if(unzGetCurrentFileInfo64(z->ctx, &entry.info, entry.name, FILENAME_MAX, NULL, 0, NULL, 0) != UNZ_OK) {
logger(LOG_ERR, "Could not read file info from the zip file '%s'\n", z->filename);
ret = -1;
break;
}
entry.isdir = z_is_dir(z, entry.name);
if(entry.isdir)
callback(z, entry);
else {
// Entry is a file, so extract it.
if(!password || !strlen(password)) {
if(unzOpenCurrentFile(z->ctx) != UNZ_OK) {
logger(LOG_ERR, "Could not open file '%s' into the zip file '%s'\n", entry.name, z->filename);
ret = -1;
break;
}
} else {
if(unzOpenCurrentFilePassword(z->ctx, password) != UNZ_OK) {
logger(LOG_ERR, "Could not open file '%s' into the zip file '%s'\n", entry.name, z->filename);
ret = -1;
break;
}
}
int error = UNZ_OK;
entry.content = (char*)malloc(entry.info.uncompressed_size);
if(!entry.content) {
logger(LOG_ERR, "Unable to alloc a memory for the content of the zipped file '%s'\n", entry.name);
ret = -1;
break;
}
/* read the file */
do {
error = unzReadCurrentFile(z->ctx, entry.content, entry.info.uncompressed_size);
if ( error < 0 ) {
logger(LOG_ERR, "Could not read file '%s' into the zip file '%s': %d\n", entry.name, z->filename, error);
unzCloseCurrentFile(z->ctx);
break;
}
} while ( error > 0 );
}
callback(z, entry);
free(entry.content); /* release content */
unzCloseCurrentFile(z->ctx);
/* Go the the next entry listed in the zip file. */
if((i+1) < z->ginfo.number_entry) {
if (unzGoToNextFile(z->ctx) != UNZ_OK) {
logger(LOG_ERR, "Could not read next file from the zip file '%s'\n", z->filename);
break;
}
}
}
if(ret) z_close(z);
return ret;
}
void EditorAssetInstaller::ok_pressed() {
FileAccess *src_f = NULL;
zlib_filefunc_def io = zipio_create_io_from_file(&src_f);
unzFile pkg = unzOpen2(package_path.utf8().get_data(), &io);
if (!pkg) {
error->set_text(TTR("Error opening package file, not in zip format."));
return;
}
int ret = unzGoToFirstFile(pkg);
Vector<String> failed_files;
ProgressDialog::get_singleton()->add_task("uncompress", TTR("Uncompressing Assets"), status_map.size());
int idx = 0;
while (ret == UNZ_OK) {
//get filename
unz_file_info info;
char fname[16384];
ret = unzGetCurrentFileInfo(pkg, &info, fname, 16384, NULL, 0, NULL, 0);
String name = fname;
if (status_map.has(name) && status_map[name]->is_checked(0)) {
String path = status_map[name]->get_metadata(0);
if (path == String()) { // a dir
String dirpath;
TreeItem *t = status_map[name];
while (t) {
dirpath = t->get_text(0) + dirpath;
t = t->get_parent();
}
if (dirpath.ends_with("/")) {
dirpath = dirpath.substr(0, dirpath.length() - 1);
}
DirAccess *da = DirAccess::create(DirAccess::ACCESS_RESOURCES);
da->make_dir(dirpath);
memdelete(da);
} else {
Vector<uint8_t> data;
data.resize(info.uncompressed_size);
//read
unzOpenCurrentFile(pkg);
unzReadCurrentFile(pkg, data.ptrw(), data.size());
unzCloseCurrentFile(pkg);
FileAccess *f = FileAccess::open(path, FileAccess::WRITE);
if (f) {
f->store_buffer(data.ptr(), data.size());
memdelete(f);
} else {
failed_files.push_back(path);
}
ProgressDialog::get_singleton()->task_step("uncompress", path, idx);
}
}
idx++;
ret = unzGoToNextFile(pkg);
}
ProgressDialog::get_singleton()->end_task("uncompress");
unzClose(pkg);
if (failed_files.size()) {
String msg = "The following files failed extraction from package:\n\n";
for (int i = 0; i < failed_files.size(); i++) {
if (i > 15) {
msg += "\nAnd " + itos(failed_files.size() - i) + " more files.";
break;
}
msg += failed_files[i];
}
if (EditorNode::get_singleton() != NULL)
EditorNode::get_singleton()->show_warning(msg);
} else {
if (EditorNode::get_singleton() != NULL)
EditorNode::get_singleton()->show_warning(TTR("Package Installed Successfully!"), TTR("Success!"));
}
EditorFileSystem::get_singleton()->scan_changes();
}
bool8 LoadZip(const char* zipname,
int32 *TotalFileSize,
int32 *headers, uint8* buffer)
{
*TotalFileSize = 0;
*headers = 0;
unzFile file = unzOpen(zipname);
if(file == NULL)
return (FALSE);
// find largest file in zip file (under MAX_ROM_SIZE)
// or a file with extension .1
char filename[132];
int filesize = 0;
int port = unzGoToFirstFile(file);
unz_file_info info;
while(port == UNZ_OK)
{
char name[132];
unzGetCurrentFileInfo(file, &info, name,128, NULL,0, NULL,0);
#if 0
int calc_size = info.uncompressed_size / 0x2000;
calc_size *= 0x2000;
if(!(info.uncompressed_size - calc_size == 512 || info.uncompressed_size == calc_size))
{
port = unzGoToNextFile(file);
continue;
}
#endif
if(info.uncompressed_size > (CMemory::MAX_ROM_SIZE + 512))
{
port = unzGoToNextFile(file);
continue;
}
if ((int) info.uncompressed_size > filesize)
{
strcpy(filename,name);
filesize = info.uncompressed_size;
}
int len = strlen(name);
if(name[len-2] == '.' && name[len-1] == '1')
{
strcpy(filename,name);
filesize = info.uncompressed_size;
break;
}
port = unzGoToNextFile(file);
}
if( !(port == UNZ_END_OF_LIST_OF_FILE || port == UNZ_OK) || filesize == 0)
{
assert( unzClose(file) == UNZ_OK );
return (FALSE);
}
// Find extension
char tmp[2];
tmp[0] = tmp[1] = 0;
char *ext = strrchr(filename,'.');
if(ext) ext++;
else ext = tmp;
uint8 *ptr = buffer;
bool8 more = FALSE;
unzLocateFile(file,filename,1);
unzGetCurrentFileInfo(file, &info, filename,128, NULL,0, NULL,0);
if( unzOpenCurrentFile(file) != UNZ_OK )
{
unzClose(file);
return (FALSE);
}
do
{
assert(info.uncompressed_size <= CMemory::MAX_ROM_SIZE + 512);
int FileSize = info.uncompressed_size;
int calc_size = FileSize / 0x2000;
calc_size *= 0x2000;
int l = unzReadCurrentFile(file,ptr,FileSize);
if(unzCloseCurrentFile(file) == UNZ_CRCERROR)
{
unzClose(file);
return (FALSE);
}
if(l <= 0 || l != FileSize)
{
unzClose(file);
switch(l)
{
case UNZ_ERRNO:
break;
case UNZ_EOF:
break;
case UNZ_PARAMERROR:
break;
case UNZ_BADZIPFILE:
break;
case UNZ_INTERNALERROR:
break;
case UNZ_CRCERROR:
break;
}
return (FALSE);
}
if ((FileSize - calc_size == 512 && !Settings.ForceNoHeader) ||
Settings.ForceHeader)
{
memmove (ptr, ptr + 512, calc_size);
(*headers)++;
FileSize -= 512;
}
ptr += FileSize;
(*TotalFileSize) += FileSize;
int len;
if (ptr - Memory.ROM < CMemory::MAX_ROM_SIZE + 0x200 &&
(isdigit (ext [0]) && ext [1] == 0 && ext [0] < '9'))
{
more = TRUE;
ext [0]++;
}
else if (ptr - Memory.ROM < CMemory::MAX_ROM_SIZE + 0x200 &&
(((len = strlen (filename)) == 7 || len == 8) &&
strncasecmp (filename, "sf", 2) == 0 &&
isdigit (filename [2]) && isdigit (filename [3]) && isdigit (filename [4]) &&
isdigit (filename [5]) && isalpha (filename [len - 1])))
{
more = TRUE;
filename [len - 1]++;
}
else
more = FALSE;
if(more)
{
if( unzLocateFile(file,filename,1) != UNZ_OK ||
unzGetCurrentFileInfo(file, &info, filename,128, NULL,0, NULL,0) != UNZ_OK ||
unzOpenCurrentFile(file) != UNZ_OK)
break;
}
} while(more);
unzClose(file);
return (TRUE);
}
/*
=================
idFile_InZip::Read
Properly handles partial reads
=================
*/
int idFile_InZip::Read( void *buffer, int len ) {
int l = unzReadCurrentFile( z, buffer, len );
fileSystem->AddToReadCount( l );
return l;
}
// ////////////////////////////////////////////////////////////////////////////////
// @global 释放单个文件
//
int ExtractSingleFile(unzFile& uf)
{
char filename_inzip[256] = {0};
unz_file_info64 file_info;
int err = unzGetCurrentFileInfo64(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);
if ( UNZ_OK != err )
{
DebugTools::OutputDebugPrintfW(
L"[ZipTools] [ExtractSingleFile] unzGetCurrentFileInfo64 Failed.[%d]\r\n", err);
return err;
}
unsigned int size_buf = WRITEBUFFERSIZE;
PBYTE buf = new BYTE[size_buf];
// 判断名字是否以 '\\' 结尾，如果以 '\\'
// 结尾，代表这是一个目录名，创建目录，
// 反之则创建文件
if ( '\\' == filename_inzip[strlen(filename_inzip)-1] )
{
WCHAR wzDirName[1024] = {0};
MultiByteToWideChar(CP_ACP, 0, filename_inzip, -1, wzDirName, 1024);
FileTools::CreateDirectorys(wzDirName);
}
else
{
err = unzOpenCurrentFilePassword(uf, NULL);
if ( err != UNZ_OK)
{
DebugTools::OutputDebugPrintfW(
L"[ZipTools] [ExtractSingleFile] unzOpenCurrentFilePassword Failed.[%d]\r\n", err);
}
// 创建文件所在的目录
WCHAR wzFileName[MAX_PATH] = {0};
MultiByteToWideChar(CP_ACP, 0, filename_inzip, -1, wzFileName, MAX_PATH);
WCHAR wzDirName[MAX_PATH] = {0};
FileTools::GetFileDir(wzFileName, wzDirName, L'\\');
FileTools::CreateDirectorys(wzDirName);
DebugTools::OutputDebugPrintfW(
L"[FileTools] [UnZip] Extracting %s ...\r\n", wzFileName);
FILE* fout = fopen64(filename_inzip, "wb");
do
{
err = unzReadCurrentFile(uf,buf,size_buf);
if ( err < 0 )
{
DebugTools::OutputDebugPrintfW(
L"[ZipTools] [ExtractSingleFile] unzReadCurrentFile Failed.[%d]\r\n", err);
break;
}
if ( err > 0 )
{
if ( fwrite(buf,err,1,fout) != 1 )
{
DebugTools::OutputDebugPrintfW(
L"[ZipTools] [ExtractSingleFile] Write File Failed.[%s]\r\n",
filename_inzip);
err = UNZ_ERRNO;
break;
}
}
} while ( err > 0 );
if ( fout )
{
fclose(fout);
}
// 修改文件时间
ChangeFileTime(filename_inzip, file_info.dosDate, file_info.tmu_date);
unzCloseCurrentFile(uf);
delete [] buf;
}
}
// NOTE: when loading a file, you have to allocate one extra byte and set it to \0
int vfsLoadFile (const char *filename, void **bufferptr, int index)
{
int i, count = 0;
char tmp[NAME_MAX], fixed[NAME_MAX];
GSList *lst;
// filename is a full path
if (index == -1)
{
long len;
FILE *f;
f = fopen (filename, "rb");
if (f == NULL)
return -1;
fseek (f, 0, SEEK_END);
len = ftell (f);
rewind (f);
*bufferptr = safe_malloc (len+1);
if (*bufferptr == NULL)
return -1;
fread (*bufferptr, 1, len, f);
fclose (f);
// we need to end the buffer with a 0
((char*) (*bufferptr))[len] = 0;
return len;
}
*bufferptr = NULL;
strcpy (fixed, filename);
vfsFixDOSName (fixed);
g_strdown (fixed);
for (i = 0; i < g_numDirs; i++)
{
strcpy (tmp, g_strDirs[i]);
strcat (tmp, filename);
if (_access (tmp, R_OK) == 0)
{
if (count == index)
{
long len;
FILE *f;
f = fopen (tmp, "rb");
if (f == NULL)
return -1;
fseek (f, 0, SEEK_END);
len = ftell (f);
rewind (f);
*bufferptr = safe_malloc (len+1);
if (*bufferptr == NULL)
return -1;
fread (*bufferptr, 1, len, f);
fclose (f);
// we need to end the buffer with a 0
((char*) (*bufferptr))[len] = 0;
return len;
}
count++;
}
}
for (lst = g_pakFiles; lst != NULL; lst = g_slist_next (lst))
{
VFS_PAKFILE* file = (VFS_PAKFILE*)lst->data;
if (strcmp (file->name, fixed) != 0)
continue;
if (count == index)
{
memcpy (file->zipfile, &file->zipinfo, sizeof (unz_s));
if (unzOpenCurrentFile (file->zipfile) != UNZ_OK)
return -1;
*bufferptr = safe_malloc (file->size+1);
// we need to end the buffer with a 0
((char*) (*bufferptr))[file->size] = 0;
i = unzReadCurrentFile (file->zipfile , *bufferptr, file->size);
unzCloseCurrentFile (file->zipfile);
if (i < 0)
return -1;
else
return file->size;
}
count++;
}
return -1;
}
void* CALL HGE_Impl::Resource_Load(const char *filename, DWORD *size)
{
static char *res_err="Can't load resource: %s";
CResourceList *resItem=res;
char szName[_MAX_PATH];
char szZipName[_MAX_PATH];
unzFile zip;
unz_file_info file_info;
int done, i;
void *ptr;
//HANDLE hF;
FILE *file;
if(filename[0]=='\\' || filename[0]=='/' || filename[1]==':') goto _fromfile; // skip absolute paths
// Load from pack
strcpy(szName,filename);
SDL_strupr(szName);
for(i=0; szName[i]; i++) { if(szName[i]=='/') szName[i]='\\'; }
while(resItem)
{
zip=unzOpen(resItem->filename);
done=unzGoToFirstFile(zip);
while(done==UNZ_OK)
{
unzGetCurrentFileInfo(zip, &file_info, szZipName, sizeof(szZipName), NULL, 0, NULL, 0);
SDL_strupr(szZipName);
for(i=0; szZipName[i]; i++) { if(szZipName[i]=='/') szZipName[i]='\\'; }
if(!strcmp(szName,szZipName))
{
if(unzOpenCurrentFilePassword(zip, resItem->password[0] ? resItem->password : 0) != UNZ_OK)
{
unzClose(zip);
sprintf(szName, res_err, filename);
_PostError(szName);
return 0;
}
ptr = malloc(file_info.uncompressed_size);
if(!ptr)
{
unzCloseCurrentFile(zip);
unzClose(zip);
sprintf(szName, res_err, filename);
_PostError(szName);
return 0;
}
if(unzReadCurrentFile(zip, ptr, file_info.uncompressed_size) < 0)
{
unzCloseCurrentFile(zip);
unzClose(zip);
free(ptr);
sprintf(szName, res_err, filename);
_PostError(szName);
return 0;
}
unzCloseCurrentFile(zip);
unzClose(zip);
if(size) *size=file_info.uncompressed_size;
return ptr;
}
done=unzGoToNextFile(zip);
}
unzClose(zip);
resItem=resItem->next;
}
// Load from file
_fromfile:
/*hF = CreateFile(Resource_MakePath(filename), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS, NULL);
if(hF == INVALID_HANDLE_VALUE)
{
sprintf(szName, res_err, filename);
_PostError(szName);
return 0;
}*/
file = fopen(Resource_MakePath(filename), "rb");
// if cannot open file
if (!file){
sprintf(szName, res_err, filename);
_PostError(szName);
return 0;
}
//file_info.uncompressed_size = GetFileSize(hF, NULL);
fseek(file, 0, SEEK_END);
file_info.uncompressed_size = ftell(file);
fseek(file, 0, SEEK_SET);
ptr = malloc(file_info.uncompressed_size);
if(!ptr)
{
//CloseHandle(hF);
fclose(file);
sprintf(szName, res_err, filename);
_PostError(szName);
return 0;
}
int tmp = fread(ptr, file_info.uncompressed_size, 1, file);
if (tmp <= 0)
{
fclose(file);
free(ptr);
sprintf(szName, res_err, filename);
_PostError(szName);
return 0;
}
//CloseHandle(hF);
fclose(file);
if(size) *size=file_info.uncompressed_size;
return ptr;
}
int load_archive(char *filename, unsigned char *buffer, int maxsize, char *extension)
{
int size = 0;
if(check_zip(filename))
{
unz_file_info info;
int ret = 0;
char fname[256];
/* Attempt to open the archive */
unzFile *fd = unzOpen(filename);
if (!fd) return 0;
/* Go to first file in archive */
ret = unzGoToFirstFile(fd);
if(ret != UNZ_OK)
{
unzClose(fd);
return 0;
}
/* Get file informations and update filename */
ret = unzGetCurrentFileInfo(fd, &info, fname, 256, NULL, 0, NULL, 0);
if(ret != UNZ_OK)
{
unzClose(fd);
return 0;
}
/* Compressed filename extension */
if (extension)
{
strncpy(extension, &fname[strlen(fname) - 3], 3);
extension[3] = 0;
}
/* Open the file for reading */
ret = unzOpenCurrentFile(fd);
if(ret != UNZ_OK)
{
unzClose(fd);
return 0;
}
/* Retrieve uncompressed file size */
size = info.uncompressed_size;
if(size > maxsize)
{
size = maxsize;
}
/* Read (decompress) the file */
ret = unzReadCurrentFile(fd, buffer, size);
if(ret != size)
{
unzCloseCurrentFile(fd);
unzClose(fd);
return 0;
}
/* Close the current file */
ret = unzCloseCurrentFile(fd);
if(ret != UNZ_OK)
{
unzClose(fd);
return 0;
}
/* Close the archive */
ret = unzClose(fd);
if(ret != UNZ_OK) return 0;
}
/*else
{
gzFile *gd = gzopen(filename, "rb");
if (!gd) return 0;
size = gzread(gd, buffer, maxsize);
if (extension)
{
strncpy(extension, &filename[strlen(filename) - 3], 3);
extension[3] = 0;
}
gzclose(gd);
}*/
/* Return loaded ROM size */
return size;
}
int load_rom(char *filename)
{
unsigned long file_length;
int fd,fd_size;
int n;
int ret = 0;
int ok=0;
char tmpnom[0x100];
if(check_zip(filename))
{
unzFile fd2=unzOpen(filename);
if(fd2==NULL)return (1);
// Go to first file in archive
ret = unzGoToFirstFile(fd2);
if(ret != UNZ_OK) {
unzClose(fd2);
return (1);
}
// Get information on the file
ret = unzGetCurrentFileInfo(fd2, &info, tmpnom, 0x100, NULL, 0, NULL, 0);
if(ret != UNZ_OK) {
unzClose(fd2);
return (1);
}
//Open the file for reading
ret = unzOpenCurrentFile(fd2);
if(ret != UNZ_OK) {
unzClose(fd2);
return (1);
}
// Allocate file data buffer
fd_size = info.uncompressed_size;
// Read (decompress) the file
// cartridge_rom = (unsigned char *)malloc(fd_size);
cartridge_rom = (u8 *)memalign(64, fd_size);
ret = unzReadCurrentFile(fd2,/*(char *)*/cartridge_rom, info.uncompressed_size);
if(ret != info.uncompressed_size)
{
//free(buf2);
unzCloseCurrentFile(fd2);
unzClose(fd2);
return (1);
}
//printf("zip decomp %d \n",(int)info.uncompressed_size);
// Close the current file
ret = unzCloseCurrentFile(fd2);
if(ret != UNZ_OK) {
unzClose(fd2);
return (1);
}
// printf("zip close file\n");
// Close the archive
ret = unzClose(fd2);
if(ret != UNZ_OK) {
return (1);
}
// printf("zip close archive\n");
// Check for 512-byte header
// ok=0;
// cartridge_rom = (unsigned char *)malloc(fd_size);
// for(n = 0; n <fd_size;n++)cartridge_rom[n]=buf[n+ok];
printf("zip header / rom copy %d %d %s \n",fd_size,ok,tmpnom);
}
else{
fd = fioOpen(filename, O_RDONLY);
if(fd <= 0) {
// display_error("Error opening file.",0);
printf("%s not found.\n",filename);
return 0;
}
file_length = fioLseek(fd,0,SEEK_END);
fioLseek(fd,0,SEEK_SET);
cartridge_rom = (unsigned char *)malloc(file_length);
fioRead(fd, (char *)cartridge_rom, file_length);
fioClose(fd);
}
// traitement du fich rom ....
return 0;
}
bool OpenXMLFile(char *filename) {
//if (xmldebug) dbg_time1();
if (xml_loaded)
return false;
gameinfo = gameinfo_reset;
nodedata=NULL;
nodetree=NULL;
nodeid=NULL;
nodeidtmp=NULL;
nodefound=NULL;
char* strresult = strstr(filename,".zip");
if (strresult == NULL) {
/* Load XML file */
FILE *filexml;
filexml = fopen(filename, "rb");
if (!filexml)
return false;
nodetree = mxmlLoadFile(NULL, filexml, MXML_OPAQUE_CALLBACK);
fclose(filexml);
} else {
/* load zipped XML file */
unzFile unzfile = unzOpen(filename);
if (unzfile == NULL)
return false;
unzOpenCurrentFile(unzfile);
unz_file_info zipfileinfo;
unzGetCurrentFileInfo(unzfile, &zipfileinfo, NULL, 0, NULL, 0, NULL, 0);
int zipfilebuffersize = zipfileinfo.uncompressed_size;
if (zipfilebuffersize >= xmlmaxsize) {
unzCloseCurrentFile(unzfile);
unzClose(unzfile);
return false;
}
char * zipfilebuffer = malloc(zipfilebuffersize);
memset(zipfilebuffer, 0, zipfilebuffersize);
if (zipfilebuffer == NULL) {
unzCloseCurrentFile(unzfile);
unzClose(unzfile);
return false;
}
unzReadCurrentFile(unzfile, zipfilebuffer, zipfilebuffersize);
unzCloseCurrentFile(unzfile);
unzClose(unzfile);
nodetree = mxmlLoadString(NULL, zipfilebuffer, MXML_OPAQUE_CALLBACK);
free(zipfilebuffer);
}
if (nodetree == NULL)
return false;
nodedata = mxmlFindElement(nodetree, nodetree, "datafile", NULL, NULL, MXML_DESCEND);
if (nodedata == NULL) {
return false;
} else {
//if (xmldebug) xmlloadtime = dbg_time2(NULL);
xml_loaded = true;
return true;
}
}
std::string CScene::ReadZipFile(CChar* zipFile, CChar* fileInZip) {
int err = UNZ_OK; // error status
uInt size_buf = WRITEBUFFERSIZE; // byte size of buffer to store raw csv data
void* buf; // the buffer
std::string sout; // output strings
char filename_inzip[256]; // for unzGetCurrentFileInfo
unz_file_info file_info; // for unzGetCurrentFileInfo
unzFile uf = unzOpen(zipFile); // open zipfile stream
if (uf==NULL) {
CChar temp[MAX_URI_SIZE];
sprintf( temp, "\n%s %s %s", "Cannot open '", zipFile, "'" );
MessageBoxA(NULL, temp, "Vanda Engine Error", MB_OK | MB_ICONERROR );
return sout;
} // file is open
if ( unzLocateFile(uf,fileInZip,1) ) { // try to locate file inside zip
CChar temp[MAX_NAME_SIZE];
sprintf( temp, "\n%s %s %s %s %s", "File '", fileInZip, "' not found in '", zipFile, "'" );
MessageBoxA(NULL, temp, "Vanda Engine Error", MB_OK | MB_ICONERROR );
// second argument of unzLocateFile: 1 = case sensitive, 0 = case-insensitive
return sout;
} // file inside zip found
if (unzGetCurrentFileInfo(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0)) {
CChar temp[MAX_URI_SIZE];
sprintf( temp, "\n%s %s %s", "Error with zipfile '", zipFile, "' in unzGetCurrentFileInfo()" );
MessageBoxA(NULL, temp, "Vanda Engine Error", MB_OK | MB_ICONERROR );
return sout;
} // obtained the necessary details about file inside zip
buf = (void*)malloc(size_buf); // setup buffer
if (buf==NULL) {
MessageBoxA( NULL, "Error allocating memory for read buffer", "Vanda Engine Error", MB_OK | MB_ICONERROR );
return sout;
} // buffer ready
if( Cmp( g_currentPassword, "\n" ) )
err = unzOpenCurrentFilePassword(uf,NULL); // Open the file inside the zip (password = NULL)
else
err = unzOpenCurrentFilePassword(uf,g_currentPassword); // Open the file inside the zip (password = NULL)
if (err!=UNZ_OK) {
CChar temp[MAX_URI_SIZE];
sprintf( temp, "%s %s %s", "Error with zipfile '", zipFile, "' in unzOpenCurrentFilePassword()" );
MessageBoxA(NULL, temp, "Vanda Engine Error", MB_OK | MB_ICONERROR );
return sout;
} // file inside the zip is open
// Copy contents of the file inside the zip to the buffer
//CChar temp[MAX_URI_SIZE];
//sprintf( temp, "\n%s %s %s %s %s", "Extracting '", filename_inzip, "' from '", zipFile, "'");
//PrintInfo( temp );
do {
err = unzReadCurrentFile(uf,buf,size_buf);
if (err<0) {
CChar temp[MAX_URI_SIZE];
sprintf( temp, "\n%s %s %s", "Error with zipfile '", zipFile, "' in unzReadCurrentFile()");
MessageBoxA(NULL, temp, "Vanda Engine Error", MB_OK | MB_ICONERROR );
sout = ""; // empty output string
break;
}
// copy the buffer to a string
if (err>0) for (int i = 0; i < (int) err; i++)
{
sout.push_back( *(((char*)buf)+i) );
}
} while (err>0);
err = unzCloseCurrentFile (uf); // close the zipfile
if (err!=UNZ_OK) {
CChar temp[MAX_URI_SIZE];
sprintf( temp, "\n%s %s %s", "Error with zipfile '", zipFile, "' in unzCloseCurrentFile()");
MessageBoxA(NULL, temp, "Vanda Engine Error", MB_OK | MB_ICONERROR );
sout = ""; // empty output string
}
unzClose( uf );
free(buf); // free up buffer memory
return sout;
}
byte * FileSystemZip::Get( string fileName, int *pSizeOut )
{
zipCacheMap::iterator itor = m_cache.find(m_rootDir+fileName);
if (itor == m_cache.end())
{
return NULL; //not found in this zip
//bingo!
}
int err = UNZ_OK;
err = unzGoToFilePos(m_uf, &itor->second.m_filepos);
if (err!=UNZ_OK)
{
LogError("error %d with zipfile in unzGoToFilePos",err);
return NULL;
}
/*
//old slow way of locating a file
if (unzLocateFile(m_uf,(m_rootDir+fileName).c_str(),CASESENSITIVITY)!=UNZ_OK)
{
return NULL;
}
*/
unz_file_info file_info;
char st_filename_inzip[512];
err = unzGetCurrentFileInfo(m_uf,&file_info,st_filename_inzip,sizeof(st_filename_inzip),NULL,0,NULL,0);
if (err!=UNZ_OK)
{
LogError("error %d with zipfile in unzGetCurrentFileInfo",err);
return NULL;
}
//let's allocate our own memory and pass the pointer back to them.
byte *pBytes = new byte[file_info.uncompressed_size+1]; //the extra is because I will add a null later, helps when processing
//text files and can't hurt
if (pBytes)
{
//memory allocated
*pSizeOut = file_info.uncompressed_size;
pBytes[file_info.uncompressed_size] = 0;
} else
{
LogError("Couldn't allocate the required %d bytes to unzip into.", file_info.uncompressed_size+1);
return NULL;
}
err = unzOpenCurrentFile(m_uf);
if (err!=UNZ_OK)
{
LogError("error %d with zipfile in unzOpenCurrentFile",err);
return NULL;
}
err = unzReadCurrentFile(m_uf,pBytes,file_info.uncompressed_size);
if (err<0)
{
LogError("error %d with zipfile in unzReadCurrentFile",err);
return NULL;
}
err = unzCloseCurrentFile(m_uf);
if (err!=UNZ_OK)
{
LogError("error %d with zipfile in unzCloseCurrentFile",err);
return NULL;
}
return pBytes;
}
