gecko/xpcom/tests/nsIFileEnumerator.cpp

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#include "nsILocalFile.h"
#include "nsStringGlue.h"
#include <stdio.h>
#include "nsIComponentRegistrar.h"
#include "nsIComponentManager.h"
#include "nsIServiceManager.h"
#include "nsMemory.h"
#include "nsISimpleEnumerator.h"
#include "nsCOMPtr.h"
PRBool LoopInDir(nsILocalFile* file)
{
nsresult rv;
nsCOMPtr<nsISimpleEnumerator> entries;
rv = file->GetDirectoryEntries(getter_AddRefs(entries));
if(NS_FAILED(rv) || !entries)
return PR_FALSE;
PRBool hasMore;
while(NS_SUCCEEDED(entries->HasMoreElements(&hasMore)) && hasMore)
{
nsCOMPtr<nsISupports> sup;
entries->GetNext(getter_AddRefs(sup));
if(!sup)
return PR_FALSE;
nsCOMPtr<nsILocalFile> file = do_QueryInterface(sup);
if(!file)
return PR_FALSE;
nsCAutoString name;
if(NS_FAILED(file->GetNativeLeafName(name)))
return PR_FALSE;
PRBool isDir;
printf("%s\n", name.get());
rv = file->IsDirectory(&isDir);
if (NS_FAILED(rv))
{
printf("IsDirectory Failed!!!\n");
return PR_FALSE;
}
if (isDir)
{
nsCOMPtr<nsILocalFile> lfile = do_QueryInterface(file);
LoopInDir(lfile);
}
}
return PR_TRUE;
}
int
main(int argc, char* argv[])
{
nsresult rv;
{
nsCOMPtr<nsILocalFile> topDir;
nsCOMPtr<nsIServiceManager> servMan;
rv = NS_InitXPCOM2(getter_AddRefs(servMan), nsnull, nsnull);
if (NS_FAILED(rv)) return -1;
nsCOMPtr<nsIComponentRegistrar> registrar = do_QueryInterface(servMan);
NS_ASSERTION(registrar, "Null nsIComponentRegistrar");
if (registrar)
registrar->AutoRegister(nsnull);
if (argc > 1 && argv[1] != nsnull)
{
char* pathStr = argv[1];
NS_NewNativeLocalFile(nsDependentCString(pathStr), PR_FALSE, getter_AddRefs(topDir));
}
if (!topDir)
{
printf("No Top Dir\n");
return -1;
}
PRInt32 startTime = PR_IntervalNow();
LoopInDir(topDir);
PRInt32 endTime = PR_IntervalNow();
printf("\nTime: %d\n", PR_IntervalToMilliseconds(endTime - startTime));
} // this scopes the nsCOMPtrs
// no nsCOMPtrs are allowed to be alive when you call NS_ShutdownXPCOM
rv = NS_ShutdownXPCOM(nsnull);
NS_ASSERTION(NS_SUCCEEDED(rv), "NS_ShutdownXPCOM failed");
return 0;
}