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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /netwerk/streamconv/test/Converters.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'netwerk/streamconv/test/Converters.cpp')
-rw-r--r--netwerk/streamconv/test/Converters.cpp140
1 files changed, 140 insertions, 0 deletions
diff --git a/netwerk/streamconv/test/Converters.cpp b/netwerk/streamconv/test/Converters.cpp
new file mode 100644
index 000000000..61b114d77
--- /dev/null
+++ b/netwerk/streamconv/test/Converters.cpp
@@ -0,0 +1,140 @@
+#include "Converters.h"
+#include "nsIStringStream.h"
+#include "nsCOMPtr.h"
+#include "nsComponentManagerUtils.h"
+
+#include <stdio.h>
+
+//////////////////////////////////////////////////
+// TestConverter
+//////////////////////////////////////////////////
+
+#define NS_TESTCONVERTER_CID \
+{ /* B8A067B0-4450-11d3-A16E-0050041CAF44 */ \
+ 0xb8a067b0, \
+ 0x4450, \
+ 0x11d3, \
+ {0xa1, 0x6e, 0x00, 0x50, 0x04, 0x1c, 0xaf, 0x44} \
+}
+
+NS_DEFINE_CID(kTestConverterCID, NS_TESTCONVERTER_CID);
+
+NS_IMPL_ISUPPORTS(TestConverter,
+ nsIStreamConverter,
+ nsIStreamListener,
+ nsIRequestObserver)
+
+TestConverter::TestConverter() {
+}
+
+// Convert aFromStream (of type aFromType), to _retval (nsIInputStream of type aToType).
+// This Convert method simply converts the stream byte-by-byte, to the first character
+// in the aToType "string".
+NS_IMETHODIMP
+TestConverter::Convert(nsIInputStream *aFromStream,
+ const char *aFromType,
+ const char *aToType,
+ nsISupports *ctxt,
+ nsIInputStream **_retval) {
+ char buf[1024+1];
+ uint32_t read;
+ nsresult rv = aFromStream->Read(buf, 1024, &read);
+ if (NS_FAILED(rv) || read == 0) return rv;
+
+ // verify that the data we're converting matches the from type
+ // if it doesn't then we're being handed the wrong data.
+ char fromChar = *aFromType;
+
+ if (fromChar != buf[0]) {
+ printf("We're receiving %c, but are supposed to have %c.\n", buf[0], fromChar);
+ return NS_ERROR_FAILURE;
+ }
+
+
+ // Get the first character
+ char toChar = *aToType;
+
+ for (uint32_t i = 0; i < read; i++)
+ buf[i] = toChar;
+
+ buf[read] = '\0';
+
+ nsCOMPtr<nsIStringInputStream> str
+ (do_CreateInstance("@mozilla.org/io/string-input-stream;1", &rv));
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ rv = str->SetData(buf, read);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ NS_ADDREF(*_retval = str);
+ return NS_OK;
+}
+
+/* This method initializes any internal state before the stream converter
+ * begins asynchronous conversion */
+NS_IMETHODIMP
+TestConverter::AsyncConvertData(const char *aFromType,
+ const char *aToType,
+ nsIStreamListener *aListener,
+ nsISupports *ctxt) {
+ NS_ASSERTION(aListener, "null listener");
+
+ mListener = aListener;
+
+ // based on these types, setup internal state to handle the appropriate conversion.
+ fromType = aFromType;
+ toType = aToType;
+
+ return NS_OK;
+}
+
+// nsIStreamListener method
+/* This method handles asyncronous conversion of data. */
+NS_IMETHODIMP
+TestConverter::OnDataAvailable(nsIRequest* request,
+ nsISupports *ctxt,
+ nsIInputStream *inStr,
+ uint64_t sourceOffset,
+ uint32_t count) {
+ nsresult rv;
+ nsCOMPtr<nsIInputStream> convertedStream;
+ // just make a syncronous call to the Convert() method.
+ // Anything can happen here, I just happen to be using the sync call to
+ // do the actual conversion.
+ rv = Convert(inStr, fromType.get(), toType.get(), ctxt, getter_AddRefs(convertedStream));
+ if (NS_FAILED(rv)) return rv;
+
+ uint64_t len = 0;
+ convertedStream->Available(&len);
+
+ uint64_t offset = sourceOffset;
+ while (len > 0) {
+ uint32_t count = saturated(len);
+ rv = mListener->OnDataAvailable(request, ctxt, convertedStream, offset, count);
+ if (NS_FAILED(rv)) return rv;
+
+ offset += count;
+ len -= count;
+ }
+ return NS_OK;
+}
+
+// nsIRequestObserver methods
+/* These methods just pass through directly to the mListener */
+NS_IMETHODIMP
+TestConverter::OnStartRequest(nsIRequest* request, nsISupports *ctxt) {
+ return mListener->OnStartRequest(request, ctxt);
+}
+
+NS_IMETHODIMP
+TestConverter::OnStopRequest(nsIRequest* request, nsISupports *ctxt,
+ nsresult aStatus) {
+ return mListener->OnStopRequest(request, ctxt, aStatus);
+}
+
+nsresult
+CreateTestConverter(nsISupports* aOuter, REFNSIID aIID, void** aResult)
+{
+ nsCOMPtr<nsISupports> conv = new TestConverter();
+ return conv->QueryInterface(aIID, aResult);
+}