Removing Message2 and Message3. They did not proof to be good enough so they don't need to take up space either.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15062 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Michael Lotz
2005-11-21 18:47:51 +00:00
parent b360ada4bd
commit 85b31e1b69
14 changed files with 0 additions and 7622 deletions
-454
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@@ -1,454 +0,0 @@
//------------------------------------------------------------------------------
// Copyright (c) 2001-2005, Haiku
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// File Name: Message.h
// Author(s): Erik Jaesler ([email protected])
// DarkWyrm <[email protected]>
// Description: BMessage class creates objects that store data and that
// can be processed in a message loop. BMessage objects
// are also used as data containers by the archiving and
// the scripting mechanisms.
//------------------------------------------------------------------------------
#ifndef _MESSAGE_H
#define _MESSAGE_H
#include <BeBuild.h>
#include <OS.h>
#include <Rect.h>
#include <DataIO.h>
#include <Flattenable.h>
#include <AppDefs.h> /* For convenience */
#include <TypeConstants.h> /* For convenience */
class BBlockCache;
class BMessenger;
class BHandler;
class BString;
// Private or reserved ---------------------------------------------------------
extern "C" void _msg_cache_cleanup_();
extern "C" int _init_message_();
extern "C" int _delete_message_();
//------------------------------------------------------------------------------
// Name lengths and Scripting specifiers ---------------------------------------
#define B_FIELD_NAME_LENGTH 255
#define B_PROPERTY_NAME_LENGTH 255
enum
{
B_NO_SPECIFIER = 0,
B_DIRECT_SPECIFIER = 1,
B_INDEX_SPECIFIER,
B_REVERSE_INDEX_SPECIFIER,
B_RANGE_SPECIFIER,
B_REVERSE_RANGE_SPECIFIER,
B_NAME_SPECIFIER,
B_ID_SPECIFIER,
B_SPECIFIERS_END = 128
// app-defined specifiers start at B_SPECIFIERS_END+1
};
namespace BPrivate {
class BMessageBody;
}
// BMessage class --------------------------------------------------------------
class BMessage
{
public:
uint32 what;
BMessage();
BMessage(uint32 what);
BMessage(const BMessage &a_message);
virtual ~BMessage();
BMessage &operator=(const BMessage &msg);
// Statistics and misc info
status_t GetInfo(type_code typeRequested, int32 which, char **name,
type_code *typeReturned, int32 *count = NULL) const;
status_t GetInfo(const char *name, type_code *type, int32 *c = 0) const;
status_t GetInfo(const char *name, type_code *type, bool *fixed_size) const;
int32 CountNames(type_code type) const;
bool IsEmpty() const;
bool IsSystem() const;
bool IsReply() const;
void PrintToStream() const;
status_t Rename(const char *old_entry, const char *new_entry);
// Delivery info
bool WasDelivered() const;
bool IsSourceWaiting() const;
bool IsSourceRemote() const;
BMessenger ReturnAddress() const;
const BMessage *Previous() const;
bool WasDropped() const;
BPoint DropPoint(BPoint *offset = NULL) const;
// Replying
status_t SendReply(uint32 command, BHandler *reply_to = NULL);
status_t SendReply(BMessage *the_reply, BHandler *reply_to = NULL,
bigtime_t timeout = B_INFINITE_TIMEOUT);
status_t SendReply(BMessage *the_reply, BMessenger reply_to,
bigtime_t timeout = B_INFINITE_TIMEOUT);
status_t SendReply(uint32 command, BMessage *reply_to_reply);
status_t SendReply(BMessage *the_reply, BMessage *reply_to_reply,
bigtime_t send_timeout = B_INFINITE_TIMEOUT,
bigtime_t reply_timeout = B_INFINITE_TIMEOUT);
// Flattening data
ssize_t FlattenedSize() const;
status_t Flatten(char *buffer, ssize_t size) const;
status_t Flatten(BDataIO *stream, ssize_t *size = NULL) const;
status_t Unflatten(const char *flat_buffer);
status_t Unflatten(BDataIO *stream);
// Specifiers (scripting)
status_t AddSpecifier(const char *property);
status_t AddSpecifier(const char *property, int32 index);
status_t AddSpecifier(const char *property, int32 index, int32 range);
status_t AddSpecifier(const char *property, const char *name);
status_t AddSpecifier(const BMessage *specifier);
status_t SetCurrentSpecifier(int32 index);
status_t GetCurrentSpecifier(int32 *index, BMessage *specifier = NULL,
int32 *form = NULL, const char **property = NULL) const;
bool HasSpecifiers() const;
status_t PopSpecifier();
// Adding data
status_t AddRect(const char *name, BRect a_rect);
status_t AddPoint(const char *name, BPoint a_point);
status_t AddString(const char *name, const char *a_string);
status_t AddString(const char *name, const BString& a_string);
status_t AddInt8(const char *name, int8 val);
status_t AddInt16(const char *name, int16 val);
status_t AddInt32(const char *name, int32 val);
status_t AddInt64(const char *name, int64 val);
status_t AddBool(const char *name, bool a_boolean);
status_t AddFloat(const char *name, float a_float);
status_t AddDouble(const char *name, double a_double);
status_t AddPointer(const char *name, const void *ptr);
status_t AddMessenger(const char *name, BMessenger messenger);
status_t AddRef(const char *name, const entry_ref *ref);
status_t AddMessage(const char *name, const BMessage *msg);
status_t AddFlat(const char *name, BFlattenable *obj, int32 count = 1);
status_t AddData(const char *name, type_code type, const void *data,
ssize_t numBytes, bool is_fixed_size = true, int32 count = 1);
// Removing data
status_t RemoveData(const char *name, int32 index = 0);
status_t RemoveName(const char *name);
status_t MakeEmpty();
// Finding data
status_t FindRect(const char *name, BRect *rect) const;
status_t FindRect(const char *name, int32 index, BRect *rect) const;
status_t FindPoint(const char *name, BPoint *pt) const;
status_t FindPoint(const char *name, int32 index, BPoint *pt) const;
status_t FindString(const char *name, const char **str) const;
status_t FindString(const char *name, int32 index, const char **str) const;
status_t FindString(const char *name, BString *str) const;
status_t FindString(const char *name, int32 index, BString *str) const;
status_t FindInt8(const char *name, int8 *value) const;
status_t FindInt8(const char *name, int32 index, int8 *val) const;
status_t FindInt16(const char *name, int16 *value) const;
status_t FindInt16(const char *name, int32 index, int16 *val) const;
status_t FindInt32(const char *name, int32 *value) const;
status_t FindInt32(const char *name, int32 index, int32 *val) const;
status_t FindInt64(const char *name, int64 *value) const;
status_t FindInt64(const char *name, int32 index, int64 *val) const;
status_t FindBool(const char *name, bool *value) const;
status_t FindBool(const char *name, int32 index, bool *value) const;
status_t FindFloat(const char *name, float *f) const;
status_t FindFloat(const char *name, int32 index, float *f) const;
status_t FindDouble(const char *name, double *d) const;
status_t FindDouble(const char *name, int32 index, double *d) const;
status_t FindPointer(const char *name, void **ptr) const;
status_t FindPointer(const char *name, int32 index, void **ptr) const;
status_t FindMessenger(const char *name, BMessenger *m) const;
status_t FindMessenger(const char *name, int32 index, BMessenger *m) const;
status_t FindRef(const char *name, entry_ref *ref) const;
status_t FindRef(const char *name, int32 index, entry_ref *ref) const;
status_t FindMessage(const char *name, BMessage *msg) const;
status_t FindMessage(const char *name, int32 index, BMessage *msg) const;
status_t FindFlat(const char *name, BFlattenable *obj) const;
status_t FindFlat(const char *name, int32 index, BFlattenable *obj) const;
status_t FindData(const char *name, type_code type,
const void **data, ssize_t *numBytes) const;
status_t FindData(const char *name, type_code type, int32 index,
const void **data, ssize_t *numBytes) const;
// Replacing data
status_t ReplaceRect(const char *name, BRect a_rect);
status_t ReplaceRect(const char *name, int32 index, BRect a_rect);
status_t ReplacePoint(const char *name, BPoint a_point);
status_t ReplacePoint(const char *name, int32 index, BPoint a_point);
status_t ReplaceString(const char *name, const char *string);
status_t ReplaceString(const char *name, int32 index, const char *string);
status_t ReplaceString(const char *name, const BString& string);
status_t ReplaceString(const char *name, int32 index, const BString& string);
status_t ReplaceInt8(const char *name, int8 val);
status_t ReplaceInt8(const char *name, int32 index, int8 val);
status_t ReplaceInt16(const char *name, int16 val);
status_t ReplaceInt16(const char *name, int32 index, int16 val);
status_t ReplaceInt32(const char *name, int32 val);
status_t ReplaceInt32(const char *name, int32 index, int32 val);
status_t ReplaceInt64(const char *name, int64 val);
status_t ReplaceInt64(const char *name, int32 index, int64 val);
status_t ReplaceBool(const char *name, bool a_bool);
status_t ReplaceBool(const char *name, int32 index, bool a_bool);
status_t ReplaceFloat(const char *name, float a_float);
status_t ReplaceFloat(const char *name, int32 index, float a_float);
status_t ReplaceDouble(const char *name, double a_double);
status_t ReplaceDouble(const char *name, int32 index, double a_double);
status_t ReplacePointer(const char *name, const void *ptr);
status_t ReplacePointer(const char *name,int32 index,const void *ptr);
status_t ReplaceMessenger(const char *name, BMessenger messenger);
status_t ReplaceMessenger(const char *name, int32 index, BMessenger msngr);
status_t ReplaceRef( const char *name,const entry_ref *ref);
status_t ReplaceRef( const char *name, int32 index, const entry_ref *ref);
status_t ReplaceMessage(const char *name, const BMessage *msg);
status_t ReplaceMessage(const char *name, int32 index, const BMessage *msg);
status_t ReplaceFlat(const char *name, BFlattenable *obj);
status_t ReplaceFlat(const char *name, int32 index, BFlattenable *obj);
status_t ReplaceData(const char *name, type_code type,
const void *data, ssize_t data_size);
status_t ReplaceData(const char *name, type_code type, int32 index,
const void *data, ssize_t data_size);
void *operator new(size_t size);
void *operator new(size_t, void* p);
void operator delete(void *ptr, size_t size);
// Private, reserved, or obsolete ----------------------------------------------
bool HasRect(const char *, int32 n = 0) const;
bool HasPoint(const char *, int32 n = 0) const;
bool HasString(const char *, int32 n = 0) const;
bool HasInt8(const char *, int32 n = 0) const;
bool HasInt16(const char *, int32 n = 0) const;
bool HasInt32(const char *, int32 n = 0) const;
bool HasInt64(const char *, int32 n = 0) const;
bool HasBool(const char *, int32 n = 0) const;
bool HasFloat(const char *, int32 n = 0) const;
bool HasDouble(const char *, int32 n = 0) const;
bool HasPointer(const char *, int32 n = 0) const;
bool HasMessenger(const char *, int32 n = 0) const;
bool HasRef(const char *, int32 n = 0) const;
bool HasMessage(const char *, int32 n = 0) const;
bool HasFlat(const char *, const BFlattenable *) const;
bool HasFlat(const char *,int32 ,const BFlattenable *) const;
bool HasData(const char *, type_code , int32 n = 0) const;
BRect FindRect(const char *, int32 n = 0) const;
BPoint FindPoint(const char *, int32 n = 0) const;
const char *FindString(const char *, int32 n = 0) const;
int8 FindInt8(const char *, int32 n = 0) const;
int16 FindInt16(const char *, int32 n = 0) const;
int32 FindInt32(const char *, int32 n = 0) const;
int64 FindInt64(const char *, int32 n = 0) const;
bool FindBool(const char *, int32 n = 0) const;
float FindFloat(const char *, int32 n = 0) const;
double FindDouble(const char *, int32 n = 0) const;
class Private;
private:
class Header;
friend class BMessageQueue;
friend class BMessenger;
friend class BApplication;
friend class Header;
friend class Private;
friend inline void _set_message_target_(BMessage *, int32, bool);
friend inline void _set_message_reply_(BMessage *, BMessenger);
friend inline int32 _get_message_target_(BMessage *);
friend inline bool _use_preferred_target_(BMessage *);
// deprecated
BMessage(BMessage *a_message);
virtual void _ReservedMessage1();
virtual void _ReservedMessage2();
virtual void _ReservedMessage3();
void init_data();
status_t flatten_target_info(BDataIO *stream,
ssize_t size,
uchar flags) const;
status_t real_flatten(char *result, ssize_t size) const;
status_t real_flatten(BDataIO *stream, ssize_t *size) const;
char *stack_flatten(char *stack_ptr,
ssize_t stack_size,
bool incl_reply,
ssize_t *size = NULL) const;
status_t _UnflattenKMessage(const char *buffer);
ssize_t calc_size(uchar flags) const;
ssize_t calc_hdr_size(uchar flags) const;
status_t nfind_data( const char *name,
type_code type,
int32 index,
const void **data,
ssize_t *data_size) const;
status_t copy_data( const char *name,
type_code type,
int32 index,
void *data,
ssize_t data_size) const;
status_t _send_(port_id port,
int32 token,
bool preferred,
bigtime_t timeout,
bool reply_required,
BMessenger &reply_to) const;
status_t send_message(port_id port,
team_id port_owner,
int32 token,
bool preferred,
BMessage *reply,
bigtime_t send_timeout,
bigtime_t reply_timeout) const;
static status_t _SendFlattenedMessage(void *data, int32 size,
port_id port, int32 token, bool preferred,
bigtime_t timeout);
static void _StaticInit();
static void _StaticCleanup();
static void _StaticCacheCleanup();
enum { sNumReplyPorts = 3 };
static port_id sReplyPorts[sNumReplyPorts];
static long sReplyPortInUse[sNumReplyPorts];
static int32 sGetCachedReplyPort();
static BBlockCache *sMsgCache;
struct dyn_array {
int32 fLogicalBytes;
int32 fPhysicalBytes;
int32 fChunkSize;
int32 fCount;
int32 fEntryHdrSize;
};
struct entry_hdr : public dyn_array {
entry_hdr *fNext;
uint32 fType;
uchar fNameLength;
char fName[1];
};
struct var_chunk {
int32 fDataSize;
char fData[1];
};
entry_hdr *entry_find(const char *name, uint32 type,status_t *result=NULL) const;
void entry_remove(entry_hdr *entry);
void *da_create(int32 header_size, int32 chunk_size,
bool fixed, int32 nchunks);
status_t da_add_data(dyn_array **da, const void *data, int32 size);
void *da_find_data(dyn_array *da, int32 index,
int32 *size = NULL) const;
status_t da_delete_data(dyn_array **pda, int32 index);
status_t da_replace_data(dyn_array **pda, int32 index,
const void *data, int32 dsize);
int32 da_calc_size(int32 hdr_size, int32 chunksize,
bool is_fixed, int32 nchunks) const;
void *da_grow(dyn_array **pda, int32 increase);
void da_dump(dyn_array *da);
int32 da_chunk_hdr_size() const
{ return sizeof(int32); }
int32 da_chunk_size(var_chunk *v) const
{ return (v->fDataSize + da_chunk_hdr_size() + 7) & ~7; }
var_chunk *da_first_chunk(dyn_array *da) const
{ return (var_chunk *) da_start_of_data(da); }
var_chunk *da_next_chunk(var_chunk *v) const
{ return (var_chunk *) (((char*) v) + da_chunk_size(v)); }
var_chunk *da_chunk_ptr(void *data) const
{ return (var_chunk*) (((char *) data) - da_chunk_hdr_size()); }
int32 da_pad_8(int32 val) const
{ return (val + 7) & ~7; }
int32 da_total_size(dyn_array *da) const
{ return (int32)sizeof(dyn_array) + da->fEntryHdrSize +
da->fPhysicalBytes; }
int32 da_total_logical_size(dyn_array *da) const
{ return (int32)sizeof(dyn_array) + da->fEntryHdrSize +
da->fLogicalBytes; }
char *da_start_of_data(dyn_array *da) const
{ return ((char *) da) + (sizeof(dyn_array) +
da->fEntryHdrSize); }
bool da_is_mini_data(dyn_array *da) const
{ return ((da->fLogicalBytes <= (int32) UCHAR_MAX) &&
(da->fCount <= (int32) UCHAR_MAX));}
void da_swap_var_sized(dyn_array *da);
void da_swap_fixed_sized(dyn_array *da);
BMessage *link;
int32 fTarget;
BMessage *fOriginal;
uint32 fChangeCount;
int32 fCurSpecifier;
uint32 fPtrOffset;
// ejaesler: Stealing one for my whacky BMessageBody l33tness
uint32 _reserved[2];
BPrivate::BMessageBody* fBody;
BMessage::entry_hdr *fEntries;
struct reply_to_info {
port_id port;
int32 target;
team_id team;
bool preferred;
} fReplyTo;
bool fPreferred;
bool fReplyRequired;
bool fReplyDone;
bool fIsReply;
bool fWasDelivered;
bool fReadOnly;
bool fHasSpecifiers;
};
//------------------------------------------------------------------------------
#endif // _MESSAGE_H
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@@ -1,368 +0,0 @@
//------------------------------------------------------------------------------
// Copyright (c) 2001-2005, Haiku
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// File Name: Message.h
// Author(s): Erik Jaesler ([email protected])
// DarkWyrm <[email protected]>
// Description: BMessage class creates objects that store data and that
// can be processed in a message loop. BMessage objects
// are also used as data containers by the archiving and
// the scripting mechanisms.
//------------------------------------------------------------------------------
#ifndef _MESSAGE_H
#define _MESSAGE_H
#include <BeBuild.h>
#include <OS.h>
#include <Rect.h>
#include <DataIO.h>
#include <Flattenable.h>
#include <AppDefs.h> /* For convenience */
#include <TypeConstants.h> /* For convenience */
class BBlockCache;
class BMessenger;
class BHandler;
class BString;
// Private or reserved ---------------------------------------------------------
extern "C" void _msg_cache_cleanup_();
extern "C" int _init_message_();
extern "C" int _delete_message_();
//------------------------------------------------------------------------------
// Name lengths and Scripting specifiers ---------------------------------------
#define B_FIELD_NAME_LENGTH 255
#define B_PROPERTY_NAME_LENGTH 255
enum
{
B_NO_SPECIFIER = 0,
B_DIRECT_SPECIFIER = 1,
B_INDEX_SPECIFIER,
B_REVERSE_INDEX_SPECIFIER,
B_RANGE_SPECIFIER,
B_REVERSE_RANGE_SPECIFIER,
B_NAME_SPECIFIER,
B_ID_SPECIFIER,
B_SPECIFIERS_END = 128
// app-defined specifiers start at B_SPECIFIERS_END + 1
};
namespace BPrivate {
class BMessageBody;
}
// BMessage class --------------------------------------------------------------
class BMessage
{
public:
uint32 what;
BMessage();
BMessage(uint32 what);
BMessage(const BMessage &a_message);
virtual ~BMessage();
BMessage &operator=(const BMessage &msg);
// Statistics and misc info
status_t GetInfo(type_code typeRequested, int32 which, char **name,
type_code *typeReturned, int32 *count = NULL) const;
status_t GetInfo(const char *name, type_code *type, int32 *c = 0) const;
status_t GetInfo(const char *name, type_code *type, bool *fixed_size) const;
int32 CountNames(type_code type) const;
bool IsEmpty() const;
bool IsSystem() const;
bool IsReply() const;
void PrintToStream() const;
status_t Rename(const char *old_entry, const char *new_entry);
// Delivery info
bool WasDelivered() const;
bool IsSourceWaiting() const;
bool IsSourceRemote() const;
BMessenger ReturnAddress() const;
const BMessage *Previous() const;
bool WasDropped() const;
BPoint DropPoint(BPoint *offset = NULL) const;
// Replying
status_t SendReply(uint32 command, BHandler *reply_to = NULL);
status_t SendReply(BMessage *the_reply, BHandler *reply_to = NULL,
bigtime_t timeout = B_INFINITE_TIMEOUT);
status_t SendReply(BMessage *the_reply, BMessenger reply_to,
bigtime_t timeout = B_INFINITE_TIMEOUT);
status_t SendReply(uint32 command, BMessage *reply_to_reply);
status_t SendReply(BMessage *the_reply, BMessage *reply_to_reply,
bigtime_t send_timeout = B_INFINITE_TIMEOUT,
bigtime_t reply_timeout = B_INFINITE_TIMEOUT);
// Flattening data
ssize_t FlattenedSize() const;
status_t Flatten(char *buffer, ssize_t size) const;
status_t Flatten(BDataIO *stream, ssize_t *size = NULL) const;
status_t Unflatten(const char *flat_buffer);
status_t Unflatten(BDataIO *stream);
// Specifiers (scripting)
status_t AddSpecifier(const char *property);
status_t AddSpecifier(const char *property, int32 index);
status_t AddSpecifier(const char *property, int32 index, int32 range);
status_t AddSpecifier(const char *property, const char *name);
status_t AddSpecifier(const BMessage *specifier);
status_t SetCurrentSpecifier(int32 index);
status_t GetCurrentSpecifier(int32 *index, BMessage *specifier = NULL,
int32 *form = NULL, const char **property = NULL) const;
bool HasSpecifiers() const;
status_t PopSpecifier();
// Adding data
status_t AddRect(const char *name, BRect a_rect);
status_t AddPoint(const char *name, BPoint a_point);
status_t AddString(const char *name, const char *a_string);
status_t AddString(const char *name, const BString& a_string);
status_t AddInt8(const char *name, int8 val);
status_t AddInt16(const char *name, int16 val);
status_t AddInt32(const char *name, int32 val);
status_t AddInt64(const char *name, int64 val);
status_t AddBool(const char *name, bool a_boolean);
status_t AddFloat(const char *name, float a_float);
status_t AddDouble(const char *name, double a_double);
status_t AddPointer(const char *name, const void *ptr);
status_t AddMessenger(const char *name, BMessenger messenger);
status_t AddRef(const char *name, const entry_ref *ref);
status_t AddMessage(const char *name, const BMessage *msg);
status_t AddFlat(const char *name, BFlattenable *obj, int32 count = 1);
status_t AddData(const char *name, type_code type, const void *data,
ssize_t numBytes, bool is_fixed_size = true, int32 count = 1);
// Removing data
status_t RemoveData(const char *name, int32 index = 0);
status_t RemoveName(const char *name);
status_t MakeEmpty();
// Finding data
status_t FindRect(const char *name, BRect *rect) const;
status_t FindRect(const char *name, int32 index, BRect *rect) const;
status_t FindPoint(const char *name, BPoint *pt) const;
status_t FindPoint(const char *name, int32 index, BPoint *pt) const;
status_t FindString(const char *name, const char **str) const;
status_t FindString(const char *name, int32 index, const char **str) const;
status_t FindString(const char *name, BString *str) const;
status_t FindString(const char *name, int32 index, BString *str) const;
status_t FindInt8(const char *name, int8 *value) const;
status_t FindInt8(const char *name, int32 index, int8 *val) const;
status_t FindInt16(const char *name, int16 *value) const;
status_t FindInt16(const char *name, int32 index, int16 *val) const;
status_t FindInt32(const char *name, int32 *value) const;
status_t FindInt32(const char *name, int32 index, int32 *val) const;
status_t FindInt64(const char *name, int64 *value) const;
status_t FindInt64(const char *name, int32 index, int64 *val) const;
status_t FindBool(const char *name, bool *value) const;
status_t FindBool(const char *name, int32 index, bool *value) const;
status_t FindFloat(const char *name, float *f) const;
status_t FindFloat(const char *name, int32 index, float *f) const;
status_t FindDouble(const char *name, double *d) const;
status_t FindDouble(const char *name, int32 index, double *d) const;
status_t FindPointer(const char *name, void **ptr) const;
status_t FindPointer(const char *name, int32 index, void **ptr) const;
status_t FindMessenger(const char *name, BMessenger *m) const;
status_t FindMessenger(const char *name, int32 index, BMessenger *m) const;
status_t FindRef(const char *name, entry_ref *ref) const;
status_t FindRef(const char *name, int32 index, entry_ref *ref) const;
status_t FindMessage(const char *name, BMessage *msg) const;
status_t FindMessage(const char *name, int32 index, BMessage *msg) const;
status_t FindFlat(const char *name, BFlattenable *obj) const;
status_t FindFlat(const char *name, int32 index, BFlattenable *obj) const;
status_t FindData(const char *name, type_code type,
const void **data, ssize_t *numBytes) const;
status_t FindData(const char *name, type_code type, int32 index,
const void **data, ssize_t *numBytes) const;
// Replacing data
status_t ReplaceRect(const char *name, BRect a_rect);
status_t ReplaceRect(const char *name, int32 index, BRect a_rect);
status_t ReplacePoint(const char *name, BPoint a_point);
status_t ReplacePoint(const char *name, int32 index, BPoint a_point);
status_t ReplaceString(const char *name, const char *string);
status_t ReplaceString(const char *name, int32 index, const char *string);
status_t ReplaceString(const char *name, const BString& string);
status_t ReplaceString(const char *name, int32 index, const BString& string);
status_t ReplaceInt8(const char *name, int8 val);
status_t ReplaceInt8(const char *name, int32 index, int8 val);
status_t ReplaceInt16(const char *name, int16 val);
status_t ReplaceInt16(const char *name, int32 index, int16 val);
status_t ReplaceInt32(const char *name, int32 val);
status_t ReplaceInt32(const char *name, int32 index, int32 val);
status_t ReplaceInt64(const char *name, int64 val);
status_t ReplaceInt64(const char *name, int32 index, int64 val);
status_t ReplaceBool(const char *name, bool a_bool);
status_t ReplaceBool(const char *name, int32 index, bool a_bool);
status_t ReplaceFloat(const char *name, float a_float);
status_t ReplaceFloat(const char *name, int32 index, float a_float);
status_t ReplaceDouble(const char *name, double a_double);
status_t ReplaceDouble(const char *name, int32 index, double a_double);
status_t ReplacePointer(const char *name, const void *ptr);
status_t ReplacePointer(const char *name,int32 index,const void *ptr);
status_t ReplaceMessenger(const char *name, BMessenger messenger);
status_t ReplaceMessenger(const char *name, int32 index, BMessenger msngr);
status_t ReplaceRef( const char *name,const entry_ref *ref);
status_t ReplaceRef( const char *name, int32 index, const entry_ref *ref);
status_t ReplaceMessage(const char *name, const BMessage *msg);
status_t ReplaceMessage(const char *name, int32 index, const BMessage *msg);
status_t ReplaceFlat(const char *name, BFlattenable *obj);
status_t ReplaceFlat(const char *name, int32 index, BFlattenable *obj);
status_t ReplaceData(const char *name, type_code type,
const void *data, ssize_t data_size);
status_t ReplaceData(const char *name, type_code type, int32 index,
const void *data, ssize_t data_size);
void *operator new(size_t size);
void *operator new(size_t, void* p);
void operator delete(void *ptr, size_t size);
// Private, reserved, or obsolete ----------------------------------------------
bool HasRect(const char *, int32 n = 0) const;
bool HasPoint(const char *, int32 n = 0) const;
bool HasString(const char *, int32 n = 0) const;
bool HasInt8(const char *, int32 n = 0) const;
bool HasInt16(const char *, int32 n = 0) const;
bool HasInt32(const char *, int32 n = 0) const;
bool HasInt64(const char *, int32 n = 0) const;
bool HasBool(const char *, int32 n = 0) const;
bool HasFloat(const char *, int32 n = 0) const;
bool HasDouble(const char *, int32 n = 0) const;
bool HasPointer(const char *, int32 n = 0) const;
bool HasMessenger(const char *, int32 n = 0) const;
bool HasRef(const char *, int32 n = 0) const;
bool HasMessage(const char *, int32 n = 0) const;
bool HasFlat(const char *, const BFlattenable *) const;
bool HasFlat(const char *,int32 ,const BFlattenable *) const;
bool HasData(const char *, type_code , int32 n = 0) const;
BRect FindRect(const char *, int32 n = 0) const;
BPoint FindPoint(const char *, int32 n = 0) const;
const char *FindString(const char *, int32 n = 0) const;
int8 FindInt8(const char *, int32 n = 0) const;
int16 FindInt16(const char *, int32 n = 0) const;
int32 FindInt32(const char *, int32 n = 0) const;
int64 FindInt64(const char *, int32 n = 0) const;
bool FindBool(const char *, int32 n = 0) const;
float FindFloat(const char *, int32 n = 0) const;
double FindDouble(const char *, int32 n = 0) const;
class Private;
private:
class Header;
friend class BMessageQueue;
friend class BMessenger;
friend class BApplication;
friend class Header;
friend class Private;
friend inline void _set_message_target_(BMessage *, int32, bool);
friend inline void _set_message_reply_(BMessage *, BMessenger);
friend inline int32 _get_message_target_(BMessage *);
friend inline bool _use_preferred_target_(BMessage *);
// deprecated
BMessage(BMessage *a_message);
virtual void _ReservedMessage1();
virtual void _ReservedMessage2();
virtual void _ReservedMessage3();
void init_data();
status_t real_flatten(char *result, ssize_t size) const;
status_t real_flatten(BDataIO *stream, ssize_t *size) const;
char *stack_flatten(char *stack_ptr,
ssize_t stack_size, bool incl_reply,
ssize_t *size = NULL) const;
status_t _UnflattenKMessage(const char *buffer);
ssize_t calc_hdr_size() const;
status_t _send_(port_id port, int32 token,
bool preferred, bigtime_t timeout,
bool reply_required,
BMessenger &reply_to) const;
status_t send_message(port_id port, team_id port_owner,
int32 token, bool preferred,
BMessage *reply,
bigtime_t send_timeout,
bigtime_t reply_timeout) const;
static status_t _SendFlattenedMessage(void *data, int32 size,
port_id port, int32 token, bool preferred,
bigtime_t timeout);
static void _StaticInit();
static void _StaticCleanup();
static void _StaticCacheCleanup();
enum { sNumReplyPorts = 3 };
static port_id sReplyPorts[sNumReplyPorts];
static long sReplyPortInUse[sNumReplyPorts];
static int32 sGetCachedReplyPort();
static BBlockCache *sMsgCache;
BMessage *fUnused1;
int32 fTarget;
BMessage *fOriginal;
uint32 fUnused2;
int32 fCurSpecifier;
uint32 fReserved[4];
BPrivate::BMessageBody *fBody;
struct reply_to_info {
port_id port;
int32 target;
team_id team;
bool preferred;
} fReplyTo;
bool fPreferred;
bool fReplyRequired;
bool fReplyDone;
bool fIsReply;
bool fWasDelivered;
bool fReadOnly;
bool fHasSpecifiers;
};
//------------------------------------------------------------------------------
#endif // _MESSAGE_H
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/*
* Copyright 2005, Haiku.
* Distributed under the terms of the MIT License.
*
* Authors:
* Michael Lotz <[email protected]>
*/
/* BMessageBody handles data storage and retrieval for BMessage. */
#ifndef _MESSAGE_BODY_H_
#define _MESSAGE_BODY_H_
#include <List.h>
#include "MessageField2.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 Unflatten(BDataIO *stream);
status_t AddData(const char *name, type_code type,
size_t length, void **buffer,
bool fixedSize = false, int32 count = 1);
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, type_code type,
int32 index, size_t length, void **buffer);
status_t Rename(const char *oldName, const char *newName);
status_t RemoveName(const char *name);
status_t MakeEmpty();
void PrintToStream() const;
// hash table support
void HashInsert(BMessageField *field);
BMessageField *HashLookup(const char *name) const;
BMessageField *HashRemove(const char *name);
uint32 HashString(const char *string) const;
void HashClear();
private:
status_t InitCommon();
BMessageField *AddField(const char *name, type_code type,
status_t &error);
BMessageField *FindData(const char *name, type_code type,
status_t &error) const;
BList fFieldList;
BMessageField **fFieldTable;
int32 fFieldTableSize;
mutable ssize_t fFlattenedSize;
};
} // namespace BPrivate
#endif // _MESSAGE_BODY_H_
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/*
* Copyright 2005, Haiku.
* Distributed under the terms of the MIT License.
*
* Authors:
* Michael Lotz <[email protected]>
*/
/* BMessageBody handles data storage and retrieval for BMessage. */
#ifndef _MESSAGE_BODY_H_
#define _MESSAGE_BODY_H_
#include <List.h>
enum {
B_FLATTENABLE_TYPE = 'FLAT'
};
namespace BPrivate {
class BMessageField;
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 Unflatten(BDataIO *stream, int32 length);
status_t AddData(const char *name, type_code type,
const void *item, ssize_t length,
bool fixedSize);
status_t AddData(const char *name, type_code type,
void **buffer, ssize_t length);
status_t ReplaceData(const char *name, type_code type,
int32 index, const void *item, ssize_t length);
status_t ReplaceData(const char *name, type_code type,
int32 index, void **buffer, ssize_t length);
status_t RemoveData(const char *name, int32 index = 0);
bool HasData(const char *name, type_code t,
int32 index) const;
status_t FindData(const char *name, type_code type,
int32 index, const void **data,
ssize_t *numBytes) const;
status_t Rename(const char *oldName, const char *newName);
status_t RemoveName(const char *name);
status_t MakeEmpty();
void PrintToStream() const;
// flat buffer management
inline uint8 *FlatBuffer() const { return fFlatBuffer; };
uint8 *FlatInsert(int32 offset, ssize_t oldLength,
ssize_t newLength);
void FlatResize(int32 newSize);
// hash table support
void HashInsert(BMessageField *field);
BMessageField *HashLookup(const char *name) const;
BMessageField *HashRemove(const char *name);
uint32 HashString(const char *string) const;
void HashClear();
private:
status_t InitCommon();
BMessageField *AddData(const char *name, type_code type,
status_t &error);
BMessageField *FindData(const char *name, type_code type,
status_t &error) const;
BList fFieldList;
BMessageField **fFieldTable;
int32 fFieldTableSize;
uint8 *fFlatBuffer;
int32 fFlatLength;
int32 fFlatAllocated;
int32 fBlockSize;
};
} // namespace BPrivate
#endif // _MESSAGE_BODY_H_
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/*
* Copyright 2005, Haiku.
* Distributed under the terms of the MIT License.
*
* Authors:
* Michael Lotz <[email protected]>
*/
/* BMessageField contains the data for indiviual named fields in BMessageBody */
#ifndef _MESSAGE_FIELD_H_
#define _MESSAGE_FIELD_H_
#include <DataIO.h>
#include <List.h>
#include <SupportDefs.h>
#define MSG_FLAG_VALID 0x01
#define MSG_FLAG_MINI_DATA 0x02
#define MSG_FLAG_FIXED_SIZE 0x04
#define MSG_FLAG_SINGLE_ITEM 0x08
#define MSG_FLAG_ALL 0x0F
#define MSG_LAST_ENTRY 0x00
namespace BPrivate {
typedef struct field_header_s {
uint8 flags;
type_code type;
int32 count;
ssize_t dataSize;
uint8 nameLength;
char name[255];
} __attribute__((__packed__)) FieldHeader;
class BMessageField {
public:
BMessageField();
BMessageField(const char *name, type_code type);
BMessageField(uint8 flags, BDataIO *stream);
BMessageField(const BMessageField &other);
~BMessageField();
BMessageField &operator=(const BMessageField &other);
void Flatten(BDataIO *stream);
void Unflatten(uint8 flags, BDataIO *stream);
uint8 Flags() { return fHeader.flags; };
void SetName(const char *name);
const char *Name() const { return fHeader.name; };
uint8 NameLength() const { return fHeader.nameLength; };
type_code Type() const { return fHeader.type; };
void *AddItem(size_t length);
void *ReplaceItem(int32 index, size_t newLength);
void RemoveItem(int32 index);
int32 CountItems() const { return fHeader.count; };
const void *BufferAt(int32 index, ssize_t *size) const;
void MakeEmpty();
status_t SetFixedSize(int32 itemSize, int32 count);
bool IsFixedSize() const { return fHeader.flags & MSG_FLAG_FIXED_SIZE; };
size_t TotalSize() const { return fHeader.dataSize; };
void PrintToStream() const;
// hash table support
void SetNext(BMessageField *next) { fNext = next; };
BMessageField *Next() const { return fNext; };
private:
void ResetHeader(const char *name, type_code type);
void FlatResize(int32 offset, size_t oldLength,
size_t newLength);
FieldHeader fHeader;
mutable BMallocIO fFlatBuffer;
// fixed size items
int32 fItemSize;
// variable sized items
BList *fOffsets;
// hash table support
BMessageField *fNext;
};
} // namespace BPrivate
#endif // _MESSAGE_FIELD_H_
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/*
* Copyright 2005, Haiku.
* Distributed under the terms of the MIT License.
*
* Authors:
* Michael Lotz <[email protected]>
*/
/* BMessageField contains the data for indiviual named fields in BMessageBody */
#ifndef _MESSAGE_FIELD_H_
#define _MESSAGE_FIELD_H_
#include <List.h>
#include <String.h>
#include <SupportDefs.h>
#include "MessageBody3.h"
// we only support those
#define MSG_FLAG_VALID 0x01
#define MSG_FLAG_FIXED_SIZE 0x04
#define MSG_FLAG_ALL 0x05
// these are for R5 compatibility
#define MSG_FLAG_MINI_DATA 0x02
#define MSG_FLAG_SINGLE_ITEM 0x08
#define MSG_LAST_ENTRY 0x00
namespace BPrivate {
struct field_header_s {
uint8 flags;
type_code type;
int32 count;
ssize_t dataSize;
uint8 nameLength;
} __attribute__((__packed__));
struct item_info_s {
item_info_s(int32 _offset)
: offset(_offset)
{
}
item_info_s(int32 _offset, int32 _length)
: offset(_offset),
length(_length)
{
}
int32 offset;
int32 length;
int32 paddedLength;
};
typedef field_header_s FieldHeader;
typedef item_info_s ItemInfo;
class BMessageField {
public:
BMessageField(BMessageBody *parent,
int32 offset, const char *name,
type_code type);
// only use this constructor to unflatten
BMessageField(BMessageBody *parent);
int32 Unflatten(int32 offset);
uint8 Flags() const { return Header()->flags; };
status_t SetFixedSize(int32 itemSize);
bool FixedSize() const { return fFixedSize; };
void SetName(const char *newName);
const char *Name() const;
uint8 NameLength() const { return Header()->nameLength; };
type_code Type() const { return Header()->type; };
void AddItem(const void *item, ssize_t length);
uint8 *AddItem(ssize_t length);
void ReplaceItem(int32 index, const void *newItem,
ssize_t length);
uint8 *ReplaceItem(int32 index, ssize_t length);
void *ItemAt(int32 index, ssize_t *size);
void RemoveItem(int32 index);
int32 CountItems() const { return Header()->count; };
void PrintToStream() const;
void SetOffset(int32 offset) { fOffset = offset; };
int32 Offset() const { return fOffset; };
// always do MakeEmpty -> RemoveSelf -> delete
void MakeEmpty();
void RemoveSelf();
// hash table support
void SetNext(BMessageField *next) { fNext = next; };
BMessageField *Next() const { return fNext; };
private:
inline FieldHeader *Header() const { return (FieldHeader *)(fParent->FlatBuffer() + fOffset); };
BMessageBody *fParent;
int32 fOffset;
int32 fDataOffset;
bool fFixedSize;
int32 fItemSize;
BList fItemInfos;
BMessageField *fNext;
};
} // namespace BPrivate
#endif // _MESSAGE_FIELD_H_
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#ifndef MESSAGEUTILS_H
#define MESSAGEUTILS_H
#include <ByteOrder.h>
#include <DataIO.h>
#include <Entry.h>
#include <Message.h>
#include <Messenger.h>
#include <MessengerPrivate.h>
#include <SupportDefs.h>
uint32 _checksum_(const uchar *buf, int32 size);
namespace BPrivate { // Only putting these here because Be did
status_t entry_ref_flatten(char* buffer, size_t* size, const entry_ref* ref);
status_t entry_ref_unflatten(entry_ref* ref, const char* buffer, size_t size);
status_t entry_ref_swap(char* buffer, size_t size);
size_t calc_padding(size_t size, size_t boundary);
} // namespace BPrivate
//------------------------------------------------------------------------------
// _set_message_target_
/*! \brief Sets the target of a message.
\param message The message.
\param token The target handler token.
\param preferred Indicates whether to use the looper's preferred handler.
*/
inline void
_set_message_target_(BMessage *message, int32 token, bool preferred)
{
message->fTarget = token;
message->fPreferred = preferred;
}
// _set_message_reply_
/*! \brief Sets a message's reply target.
\param message The message.
\param messenger The reply messenger.
*/
inline void
_set_message_reply_(BMessage *message, BMessenger messenger)
{
BMessenger::Private messengerPrivate(messenger);
message->fReplyTo.port = messengerPrivate.Port();
message->fReplyTo.target = messengerPrivate.Token();
message->fReplyTo.team = messengerPrivate.Team();
message->fReplyTo.preferred = messengerPrivate.IsPreferredTarget();
}
inline int32
_get_message_target_(BMessage *msg)
{
return msg->fTarget;
}
inline bool
_use_preferred_target_(BMessage *msg)
{
return msg->fPreferred;
}
inline status_t
normalize_err(status_t err)
{
return err >= 0 ? B_OK : err;
}
template<class T>
inline void
byte_swap(T &/*data*/)
{
// Specialize for data types which actually swap
}
inline void
write_helper(BDataIO *stream, const void *data, size_t size)
{
status_t error = stream->Write(data, size);
if (error < B_OK)
throw error;
}
class TReadHelper {
public:
TReadHelper(BDataIO *stream)
: fStream(stream),
fError(B_OK),
fSwap(false)
{
}
TReadHelper(BDataIO *stream, bool swap)
: fStream(stream),
fError(B_OK),
fSwap(swap)
{
}
template<class T>
inline void operator()(T &data)
{
fError = fStream->Read((void *)&data, sizeof(T));
if (fError < B_OK)
throw fError;
if (IsSwapping())
byte_swap(data);
}
template<class T>
inline void operator()(T data, size_t len)
{
fError = fStream->Read((void *)data, len);
if (fError < B_OK)
throw fError;
}
status_t Status() { return fError; };
void SetSwap(bool yesNo) { fSwap = yesNo; };
bool IsSwapping() { return fSwap; };
private:
BDataIO *fStream;
status_t fError;
bool fSwap;
};
class TChecksumHelper {
public:
TChecksumHelper(uchar* buffer)
: fBuffer(buffer),
fBufPtr(buffer)
{
}
template<class T>
inline void Cache(const T &data)
{
*((T*)fBufPtr) = data;
fBufPtr += sizeof (T);
}
int32 CheckSum();
private:
uchar *fBuffer;
uchar *fBufPtr;
};
template<class T>
inline status_t
read_helper(BDataIO *stream, T &data)
{
return normalize_err(stream->Read((void *)&data, sizeof(T)));
}
template<>
inline void
byte_swap(double &data)
{
data = __swap_double(data);
}
template<>
inline void
byte_swap(float &data)
{
data = __swap_float(data);
}
template<>
inline void
byte_swap(int64 &data)
{
data = __swap_int64(data);
}
template<>
inline void
byte_swap(int32 &data)
{
data = __swap_int32(data);
}
template<>
inline void
byte_swap(int16 &data)
{
data = __swap_int16(data);
}
template<>
inline void
byte_swap(entry_ref &data)
{
byte_swap(data.device);
byte_swap(data.directory);
}
#endif // MESSAGEUTILS_H
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#ifndef MESSAGEUTILS_H
#define MESSAGEUTILS_H
#include <ByteOrder.h>
#include <DataIO.h>
#include <Entry.h>
#include <Message.h>
#include <Messenger.h>
#include <MessengerPrivate.h>
#include <SupportDefs.h>
uint32 _checksum_(const uchar *buf, int32 size);
namespace BPrivate { // Only putting these here because Be did
status_t entry_ref_flatten(char* buffer, size_t* size, const entry_ref* ref);
status_t entry_ref_unflatten(entry_ref* ref, const char* buffer, size_t size);
status_t entry_ref_swap(char* buffer, size_t size);
size_t calc_padding(size_t size, size_t boundary);
} // namespace BPrivate
//------------------------------------------------------------------------------
// _set_message_target_
/*! \brief Sets the target of a message.
\param message The message.
\param token The target handler token.
\param preferred Indicates whether to use the looper's preferred handler.
*/
inline void
_set_message_target_(BMessage *message, int32 token, bool preferred)
{
message->fTarget = token;
message->fPreferred = preferred;
}
// _set_message_reply_
/*! \brief Sets a message's reply target.
\param message The message.
\param messenger The reply messenger.
*/
inline void
_set_message_reply_(BMessage *message, BMessenger messenger)
{
BMessenger::Private messengerPrivate(messenger);
message->fReplyTo.port = messengerPrivate.Port();
message->fReplyTo.target = messengerPrivate.Token();
message->fReplyTo.team = messengerPrivate.Team();
message->fReplyTo.preferred = messengerPrivate.IsPreferredTarget();
}
inline int32
_get_message_target_(BMessage *msg)
{
return msg->fTarget;
}
inline bool
_use_preferred_target_(BMessage *msg)
{
return msg->fPreferred;
}
inline status_t
normalize_err(status_t err)
{
return err >= 0 ? B_OK : err;
}
template<class T>
inline void
byte_swap(T &/*data*/)
{
// Specialize for data types which actually swap
}
inline void
write_helper(BDataIO *stream, const void *data, size_t size)
{
status_t error = stream->Write(data, size);
if (error < B_OK)
throw error;
}
class TReadHelper {
public:
TReadHelper(BDataIO *stream)
: fStream(stream),
fError(B_OK),
fSwap(false)
{
}
TReadHelper(BDataIO *stream, bool swap)
: fStream(stream),
fError(B_OK),
fSwap(swap)
{
}
template<class T>
inline void operator()(T &data)
{
fError = fStream->Read((void *)&data, sizeof(T));
if (fError > B_OK) {
if (IsSwapping())
byte_swap(data);
return;
}
if (fError == 0)
throw B_ERROR;
throw fError;
}
template<class T>
inline void operator()(T data, size_t len)
{
fError = fStream->Read((void *)data, len);
if (fError > B_OK)
return;
if (fError == 0)
throw B_ERROR;
throw fError;
}
status_t Status() { return fError; };
void SetSwap(bool yesNo) { fSwap = yesNo; };
bool IsSwapping() { return fSwap; };
private:
BDataIO *fStream;
status_t fError;
bool fSwap;
};
class TChecksumHelper {
public:
TChecksumHelper(uchar* buffer)
: fBuffer(buffer),
fBufPtr(buffer)
{
}
template<class T>
inline void Cache(const T &data)
{
*((T*)fBufPtr) = data;
fBufPtr += sizeof (T);
}
int32 CheckSum();
private:
uchar *fBuffer;
uchar *fBufPtr;
};
template<class T>
inline status_t
read_helper(BDataIO *stream, T &data)
{
return normalize_err(stream->Read((void *)&data, sizeof(T)));
}
template<>
inline void
byte_swap(double &data)
{
data = __swap_double(data);
}
template<>
inline void
byte_swap(float &data)
{
data = __swap_float(data);
}
template<>
inline void
byte_swap(int64 &data)
{
data = __swap_int64(data);
}
template<>
inline void
byte_swap(int32 &data)
{
data = __swap_int32(data);
}
template<>
inline void
byte_swap(int16 &data)
{
data = __swap_int16(data);
}
template<>
inline void
byte_swap(entry_ref &data)
{
byte_swap(data.device);
byte_swap(data.directory);
}
#endif // MESSAGEUTILS_H