1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set ts=4 et sw=4 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_XPTInterfaceInfoManager_h_
#define mozilla_XPTInterfaceInfoManager_h_
#include "nsIInterfaceInfoManager.h"
#include "nsIMemoryReporter.h"
#include "mozilla/MemoryReporting.h"
#include "mozilla/Mutex.h"
#include "mozilla/ReentrantMonitor.h"
#include "nsDataHashtable.h"
template<typename T> class nsCOMArray;
class nsIMemoryReporter;
struct XPTHeader;
struct XPTInterfaceDirectoryEntry;
class xptiInterfaceEntry;
class xptiInterfaceInfo;
class xptiTypelibGuts;
namespace mozilla {
class XPTInterfaceInfoManager final
: public nsIInterfaceInfoManager
, public nsIMemoryReporter
{
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIINTERFACEINFOMANAGER
NS_DECL_NSIMEMORYREPORTER
public:
// GetSingleton() is infallible
static XPTInterfaceInfoManager* GetSingleton();
static void FreeInterfaceInfoManager();
void GetScriptableInterfaces(nsCOMArray<nsIInterfaceInfo>& aInterfaces);
void RegisterBuffer(char *buf, uint32_t length);
static Mutex& GetResolveLock()
{
return GetSingleton()->mResolveLock;
}
xptiInterfaceEntry* GetInterfaceEntryForIID(const nsIID *iid);
size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf);
private:
XPTInterfaceInfoManager();
~XPTInterfaceInfoManager();
void InitMemoryReporter();
void RegisterXPTHeader(XPTHeader* aHeader);
// idx is the index of this interface in the XPTHeader
void VerifyAndAddEntryIfNew(XPTInterfaceDirectoryEntry* iface,
uint16_t idx,
xptiTypelibGuts* typelib);
private:
class xptiWorkingSet
{
public:
xptiWorkingSet();
~xptiWorkingSet();
bool IsValid() const;
void InvalidateInterfaceInfos();
void ClearHashTables();
// utility methods...
enum {NOT_FOUND = 0xffffffff};
// Directory stuff...
uint32_t GetDirectoryCount();
nsresult GetCloneOfDirectoryAt(uint32_t i, nsIFile** dir);
nsresult GetDirectoryAt(uint32_t i, nsIFile** dir);
bool FindDirectory(nsIFile* dir, uint32_t* index);
bool FindDirectoryOfFile(nsIFile* file, uint32_t* index);
bool DirectoryAtMatchesPersistentDescriptor(uint32_t i, const char* desc);
private:
uint32_t mFileCount;
uint32_t mMaxFileCount;
public:
// XXX make these private with accessors
// mTableMonitor must be held across:
// * any read from or write to mIIDTable or mNameTable
// * any writing to the links between an xptiInterfaceEntry
// and its xptiInterfaceInfo (mEntry/mInfo)
mozilla::ReentrantMonitor mTableReentrantMonitor;
nsDataHashtable<nsIDHashKey, xptiInterfaceEntry*> mIIDTable;
nsDataHashtable<nsDepCharHashKey, xptiInterfaceEntry*> mNameTable;
};
// XXX xptiInterfaceInfo want's to poke at the working set itself
friend class ::xptiInterfaceInfo;
friend class ::xptiInterfaceEntry;
friend class ::xptiTypelibGuts;
xptiWorkingSet mWorkingSet;
Mutex mResolveLock;
};
} // namespace mozilla
#endif
|
