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Bug 542052: Add support for serializing/deserializing byte types. r=bent

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This commit is contained in:
Chris Jones 2010-01-25 16:47:39 -06:00
parent 1658024fad
commit ec0791fe20
4 changed files with 54 additions and 8 deletions
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42
ipc/glue/IPCMessageUtils.h
View File

@ -51,6 +51,48 @@
namespace IPC {
template<>
struct ParamTraits<PRInt8>
{
typedef PRInt8 paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
aMsg->WriteBytes(&aParam, sizeof(aParam));
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
const char* outp;
if (!aMsg->ReadBytes(aIter, &outp, sizeof(*aResult)))
return false;
*aResult = *reinterpret_cast<const paramType*>(outp);
return true;
}
};
template<>
struct ParamTraits<PRUint8>
{
typedef PRUint8 paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
aMsg->WriteBytes(&aParam, sizeof(aParam));
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
const char* outp;
if (!aMsg->ReadBytes(aIter, &outp, sizeof(*aResult)))
return false;
*aResult = *reinterpret_cast<const paramType*>(outp);
return true;
}
};
template <>
struct ParamTraits<nsACString>
{

4
ipc/ipdl/test/cxx/PTestSanity.ipdl
View File

@ -6,11 +6,11 @@ namespace _ipdltest {
protocol PTestSanity {
child:
Ping(int zero, float zeroPtFive);
Ping(int zero, float zeroPtFive, int8_t dummy);
__delete__();
parent:
Pong(int one, float zeroPtTwoFive);
Pong(int one, float zeroPtTwoFive, uint8_t dummy);
state PING:

10
ipc/ipdl/test/cxx/TestSanity.cpp
View File

@ -21,13 +21,14 @@ TestSanityParent::~TestSanityParent()
void
TestSanityParent::Main()
{
if (!SendPing(0, 0.5f))
if (!SendPing(0, 0.5f, 0))
fail("sending Ping");
}
bool
TestSanityParent::RecvPong(const int& one, const float& zeroPtTwoFive)
TestSanityParent::RecvPong(const int& one, const float& zeroPtTwoFive,
const uint8_t&/*unused*/)
{
if (1 != one)
fail("invalid argument `%d', should have been `1'", one);
@ -55,7 +56,8 @@ TestSanityChild::~TestSanityChild()
}
bool
TestSanityChild::RecvPing(const int& zero, const float& zeroPtFive)
TestSanityChild::RecvPing(const int& zero, const float& zeroPtFive,
const int8_t&/*unused*/)
{
if (0 != zero)
fail("invalid argument `%d', should have been `0'", zero);
@ -63,7 +65,7 @@ TestSanityChild::RecvPing(const int& zero, const float& zeroPtFive)
if (0.5f != zeroPtFive)
fail("invalid argument `%g', should have been `0.5'", zeroPtFive);
if (!SendPong(1, 0.25f))
if (!SendPong(1, 0.25f, 0))
fail("sending Pong");
return true;
}

6
ipc/ipdl/test/cxx/TestSanity.h
View File

@ -21,7 +21,8 @@ public:
protected:
NS_OVERRIDE
virtual bool RecvPong(const int& one, const float& zeroPtTwoFive);
virtual bool RecvPong(const int& one, const float& zeroPtTwoFive,
const uint8_t& dummy);
NS_OVERRIDE
virtual void ActorDestroy(ActorDestroyReason why)
@ -43,7 +44,8 @@ public:
protected:
NS_OVERRIDE
virtual bool RecvPing(const int& zero, const float& zeroPtFive);
virtual bool RecvPing(const int& zero, const float& zeroPtFive,
const int8_t& dummy);
NS_OVERRIDE
virtual void ActorDestroy(ActorDestroyReason why)