haiku/headers/private/app/MessageBody2.h
Michael Lotz 1a3441a4a1 Added a new BMessageBody and BMessageField implementation and added a version of BMessage to
use it. It is not (yet) included in the build and won't break anything.
As we now only have thin wrappers around the *Data() functions, the templatized implementation does
not make much sense anymore and wouldn't work either.
I started this new implementation to be as clean as possible. Instead of using a std::map and
BDataBuffer it uses BList and BMallocIO. It passes the unit tests and it even seems to be a bit quicker
in some tests (but not as quick as the R5 one).
Flattening/Unflattening does not work yet so you can't use it under Haiku right now. It's completely work in progress (I started it just 4 hours ago).
Shout if you see something completely broken, reviews welcome.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13776 a95241bf-73f2-0310-859d-f6bbb57e9c96
2005-07-20 00:36:50 +00:00

72 lines
1.8 KiB
C++

/*
* Copyright 2005, Haiku.
* Distributed under the terms of the MIT License.
*
* Authors:
* Michael Lotz <mmlr@mlotz.ch>
*/
/* BMessageBody handles data storage and retrieval for BMessage. */
#ifndef _MESSAGE_BODY_H_
#define _MESSAGE_BODY_H_
#include <List.h>
#include "MessageField.h"
enum {
B_FLATTENABLE_TYPE = 'FLAT'
};
namespace BPrivate {
class BMessageBody {
public:
BMessageBody();
BMessageBody(const BMessageBody &other);
~BMessageBody();
BMessageBody &operator=(const BMessageBody &other);
status_t GetInfo(type_code typeRequested, int32 which,
char **name, type_code *typeFound,
int32 *countFound = NULL) const;
status_t GetInfo(const char *name, type_code *typeFound,
int32 *countFound = NULL) const;
status_t GetInfo(const char *name, type_code *typeFound,
bool *fixedSize) const;
int32 CountNames(type_code type) const;
bool IsEmpty() const;
ssize_t FlattenedSize() const;
status_t Flatten(BDataIO *stream) const;
status_t AddData(const char *name, BMallocIO *buffer,
type_code type);
status_t RemoveData(const char *name, int32 index = 0);
bool HasData(const char *name, type_code t, int32 n) const;
status_t FindData(const char *name, type_code type,
int32 index, const void **data,
ssize_t *numBytes) const;
status_t ReplaceData(const char *name, int32 index,
BMallocIO *buffer, type_code type);
status_t Rename(const char *oldName, const char *newName);
status_t RemoveName(const char *name);
status_t MakeEmpty();
void PrintToStream() const;
private:
BMessageField *FindData(const char *name, type_code type,
status_t &error) const;
BList fFields;
};
} // namespace BPrivate
#endif // _MESSAGE_BODY_H_