gecko-dev/xpcom/glue/standalone/nsXPCOMGlue.cpp

553 строки
14 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set ts=4 sw=4 et cindent: */
/* 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/. */
#include "nsXPCOMGlue.h"
#include "nsGlueLinking.h"
#include "nspr.h"
#include "nsDebug.h"
#include "nsIServiceManager.h"
#include "nsXPCOMPrivate.h"
#include "nsCOMPtr.h"
#include <stdlib.h>
#include <stdio.h>
#ifdef XP_WIN
#include <windows.h>
#include <mbstring.h>
#include <malloc.h>
#define snprintf _snprintf
#endif
static XPCOMFunctions xpcomFunctions;
static bool do_preload = false;
extern "C"
void XPCOMGlueEnablePreload()
{
do_preload = true;
}
extern "C"
nsresult XPCOMGlueStartup(const char* xpcomFile)
{
xpcomFunctions.version = XPCOM_GLUE_VERSION;
xpcomFunctions.size = sizeof(XPCOMFunctions);
GetFrozenFunctionsFunc func = nullptr;
if (!xpcomFile)
xpcomFile = XPCOM_DLL;
nsresult rv = XPCOMGlueLoad(xpcomFile, &func);
if (NS_FAILED(rv))
return rv;
rv = (*func)(&xpcomFunctions, nullptr);
if (NS_FAILED(rv)) {
XPCOMGlueUnload();
return rv;
}
return NS_OK;
}
#if defined(XP_WIN)
#define READ_TEXTMODE L"rt"
#elif defined(XP_OS2)
#define READ_TEXTMODE "rt"
#else
#define READ_TEXTMODE "r"
#endif
#ifdef XP_WIN
inline FILE *TS_tfopen (const char *path, const wchar_t *mode)
{
wchar_t wPath[MAX_PATH];
MultiByteToWideChar(CP_UTF8, 0, path, -1, wPath, MAX_PATH);
return _wfopen(wPath, mode);
}
#else
inline FILE *TS_tfopen (const char *path, const char *mode)
{
return fopen(path, mode);
}
#endif
void
XPCOMGlueLoadDependentLibs(const char *xpcomDir, DependentLibsCallback cb)
{
char buffer[MAXPATHLEN];
sprintf(buffer, "%s" XPCOM_FILE_PATH_SEPARATOR XPCOM_DEPENDENT_LIBS_LIST,
xpcomDir);
FILE *flist = TS_tfopen(buffer, READ_TEXTMODE);
if (!flist)
return;
while (fgets(buffer, sizeof(buffer), flist)) {
int l = strlen(buffer);
// ignore empty lines and comments
if (l == 0 || *buffer == '#')
continue;
// cut the trailing newline, if present
if (buffer[l - 1] == '\n')
buffer[l - 1] = '\0';
char buffer2[MAXPATHLEN];
snprintf(buffer2, sizeof(buffer2),
"%s" XPCOM_FILE_PATH_SEPARATOR "%s",
xpcomDir, buffer);
cb(buffer2, do_preload);
}
fclose(flist);
}
XPCOM_API(nsresult)
NS_InitXPCOM2(nsIServiceManager* *result,
nsIFile* binDirectory,
nsIDirectoryServiceProvider* appFileLocationProvider)
{
if (!xpcomFunctions.init)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.init(result, binDirectory, appFileLocationProvider);
}
XPCOM_API(nsresult)
NS_ShutdownXPCOM(nsIServiceManager* servMgr)
{
if (!xpcomFunctions.shutdown)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.shutdown(servMgr);
}
XPCOM_API(nsresult)
NS_GetServiceManager(nsIServiceManager* *result)
{
if (!xpcomFunctions.getServiceManager)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.getServiceManager(result);
}
XPCOM_API(nsresult)
NS_GetComponentManager(nsIComponentManager* *result)
{
if (!xpcomFunctions.getComponentManager)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.getComponentManager(result);
}
XPCOM_API(nsresult)
NS_GetComponentRegistrar(nsIComponentRegistrar* *result)
{
if (!xpcomFunctions.getComponentRegistrar)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.getComponentRegistrar(result);
}
XPCOM_API(nsresult)
NS_GetMemoryManager(nsIMemory* *result)
{
if (!xpcomFunctions.getMemoryManager)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.getMemoryManager(result);
}
XPCOM_API(nsresult)
NS_NewLocalFile(const nsAString &path, bool followLinks, nsIFile* *result)
{
if (!xpcomFunctions.newLocalFile)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.newLocalFile(path, followLinks, result);
}
XPCOM_API(nsresult)
NS_NewNativeLocalFile(const nsACString &path, bool followLinks, nsIFile* *result)
{
if (!xpcomFunctions.newNativeLocalFile)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.newNativeLocalFile(path, followLinks, result);
}
XPCOM_API(nsresult)
NS_GetDebug(nsIDebug* *result)
{
if (!xpcomFunctions.getDebug)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.getDebug(result);
}
XPCOM_API(nsresult)
NS_GetTraceRefcnt(nsITraceRefcnt* *result)
{
if (!xpcomFunctions.getTraceRefcnt)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.getTraceRefcnt(result);
}
XPCOM_API(nsresult)
NS_StringContainerInit(nsStringContainer &aStr)
{
if (!xpcomFunctions.stringContainerInit)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.stringContainerInit(aStr);
}
XPCOM_API(nsresult)
NS_StringContainerInit2(nsStringContainer &aStr,
const PRUnichar *aData,
uint32_t aDataLength,
uint32_t aFlags)
{
if (!xpcomFunctions.stringContainerInit2)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.stringContainerInit2(aStr, aData, aDataLength, aFlags);
}
XPCOM_API(void)
NS_StringContainerFinish(nsStringContainer &aStr)
{
if (xpcomFunctions.stringContainerFinish)
xpcomFunctions.stringContainerFinish(aStr);
}
XPCOM_API(uint32_t)
NS_StringGetData(const nsAString &aStr, const PRUnichar **aBuf, bool *aTerm)
{
if (!xpcomFunctions.stringGetData) {
*aBuf = nullptr;
return 0;
}
return xpcomFunctions.stringGetData(aStr, aBuf, aTerm);
}
XPCOM_API(uint32_t)
NS_StringGetMutableData(nsAString &aStr, uint32_t aLen, PRUnichar **aBuf)
{
if (!xpcomFunctions.stringGetMutableData) {
*aBuf = nullptr;
return 0;
}
return xpcomFunctions.stringGetMutableData(aStr, aLen, aBuf);
}
XPCOM_API(PRUnichar*)
NS_StringCloneData(const nsAString &aStr)
{
if (!xpcomFunctions.stringCloneData)
return nullptr;
return xpcomFunctions.stringCloneData(aStr);
}
XPCOM_API(nsresult)
NS_StringSetData(nsAString &aStr, const PRUnichar *aBuf, uint32_t aCount)
{
if (!xpcomFunctions.stringSetData)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.stringSetData(aStr, aBuf, aCount);
}
XPCOM_API(nsresult)
NS_StringSetDataRange(nsAString &aStr, uint32_t aCutStart, uint32_t aCutLength,
const PRUnichar *aBuf, uint32_t aCount)
{
if (!xpcomFunctions.stringSetDataRange)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.stringSetDataRange(aStr, aCutStart, aCutLength, aBuf, aCount);
}
XPCOM_API(nsresult)
NS_StringCopy(nsAString &aDest, const nsAString &aSrc)
{
if (!xpcomFunctions.stringCopy)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.stringCopy(aDest, aSrc);
}
XPCOM_API(void)
NS_StringSetIsVoid(nsAString &aStr, const bool aIsVoid)
{
if (xpcomFunctions.stringSetIsVoid)
xpcomFunctions.stringSetIsVoid(aStr, aIsVoid);
}
XPCOM_API(bool)
NS_StringGetIsVoid(const nsAString &aStr)
{
if (!xpcomFunctions.stringGetIsVoid)
return false;
return xpcomFunctions.stringGetIsVoid(aStr);
}
XPCOM_API(nsresult)
NS_CStringContainerInit(nsCStringContainer &aStr)
{
if (!xpcomFunctions.cstringContainerInit)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.cstringContainerInit(aStr);
}
XPCOM_API(nsresult)
NS_CStringContainerInit2(nsCStringContainer &aStr,
const char *aData,
uint32_t aDataLength,
uint32_t aFlags)
{
if (!xpcomFunctions.cstringContainerInit2)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.cstringContainerInit2(aStr, aData, aDataLength, aFlags);
}
XPCOM_API(void)
NS_CStringContainerFinish(nsCStringContainer &aStr)
{
if (xpcomFunctions.cstringContainerFinish)
xpcomFunctions.cstringContainerFinish(aStr);
}
XPCOM_API(uint32_t)
NS_CStringGetData(const nsACString &aStr, const char **aBuf, bool *aTerm)
{
if (!xpcomFunctions.cstringGetData) {
*aBuf = nullptr;
return 0;
}
return xpcomFunctions.cstringGetData(aStr, aBuf, aTerm);
}
XPCOM_API(uint32_t)
NS_CStringGetMutableData(nsACString &aStr, uint32_t aLen, char **aBuf)
{
if (!xpcomFunctions.cstringGetMutableData) {
*aBuf = nullptr;
return 0;
}
return xpcomFunctions.cstringGetMutableData(aStr, aLen, aBuf);
}
XPCOM_API(char*)
NS_CStringCloneData(const nsACString &aStr)
{
if (!xpcomFunctions.cstringCloneData)
return nullptr;
return xpcomFunctions.cstringCloneData(aStr);
}
XPCOM_API(nsresult)
NS_CStringSetData(nsACString &aStr, const char *aBuf, uint32_t aCount)
{
if (!xpcomFunctions.cstringSetData)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.cstringSetData(aStr, aBuf, aCount);
}
XPCOM_API(nsresult)
NS_CStringSetDataRange(nsACString &aStr, uint32_t aCutStart, uint32_t aCutLength,
const char *aBuf, uint32_t aCount)
{
if (!xpcomFunctions.cstringSetDataRange)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.cstringSetDataRange(aStr, aCutStart, aCutLength, aBuf, aCount);
}
XPCOM_API(nsresult)
NS_CStringCopy(nsACString &aDest, const nsACString &aSrc)
{
if (!xpcomFunctions.cstringCopy)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.cstringCopy(aDest, aSrc);
}
XPCOM_API(void)
NS_CStringSetIsVoid(nsACString &aStr, const bool aIsVoid)
{
if (xpcomFunctions.cstringSetIsVoid)
xpcomFunctions.cstringSetIsVoid(aStr, aIsVoid);
}
XPCOM_API(bool)
NS_CStringGetIsVoid(const nsACString &aStr)
{
if (!xpcomFunctions.cstringGetIsVoid)
return false;
return xpcomFunctions.cstringGetIsVoid(aStr);
}
XPCOM_API(nsresult)
NS_CStringToUTF16(const nsACString &aSrc, nsCStringEncoding aSrcEncoding, nsAString &aDest)
{
if (!xpcomFunctions.cstringToUTF16)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.cstringToUTF16(aSrc, aSrcEncoding, aDest);
}
XPCOM_API(nsresult)
NS_UTF16ToCString(const nsAString &aSrc, nsCStringEncoding aDestEncoding, nsACString &aDest)
{
if (!xpcomFunctions.utf16ToCString)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.utf16ToCString(aSrc, aDestEncoding, aDest);
}
XPCOM_API(void*)
NS_Alloc(size_t size)
{
if (!xpcomFunctions.allocFunc)
return nullptr;
return xpcomFunctions.allocFunc(size);
}
XPCOM_API(void*)
NS_Realloc(void* ptr, size_t size)
{
if (!xpcomFunctions.reallocFunc)
return nullptr;
return xpcomFunctions.reallocFunc(ptr, size);
}
XPCOM_API(void)
NS_Free(void* ptr)
{
if (xpcomFunctions.freeFunc)
xpcomFunctions.freeFunc(ptr);
}
XPCOM_API(void)
NS_DebugBreak(uint32_t aSeverity, const char *aStr, const char *aExpr,
const char *aFile, int32_t aLine)
{
if (xpcomFunctions.debugBreakFunc)
xpcomFunctions.debugBreakFunc(aSeverity, aStr, aExpr, aFile, aLine);
}
XPCOM_API(void)
NS_LogInit()
{
if (xpcomFunctions.logInitFunc)
xpcomFunctions.logInitFunc();
}
XPCOM_API(void)
NS_LogTerm()
{
if (xpcomFunctions.logTermFunc)
xpcomFunctions.logTermFunc();
}
XPCOM_API(void)
NS_LogAddRef(void *aPtr, nsrefcnt aNewRefCnt,
const char *aTypeName, uint32_t aInstanceSize)
{
if (xpcomFunctions.logAddRefFunc)
xpcomFunctions.logAddRefFunc(aPtr, aNewRefCnt,
aTypeName, aInstanceSize);
}
XPCOM_API(void)
NS_LogRelease(void *aPtr, nsrefcnt aNewRefCnt, const char *aTypeName)
{
if (xpcomFunctions.logReleaseFunc)
xpcomFunctions.logReleaseFunc(aPtr, aNewRefCnt, aTypeName);
}
XPCOM_API(void)
NS_LogCtor(void *aPtr, const char *aTypeName, uint32_t aInstanceSize)
{
if (xpcomFunctions.logCtorFunc)
xpcomFunctions.logCtorFunc(aPtr, aTypeName, aInstanceSize);
}
XPCOM_API(void)
NS_LogDtor(void *aPtr, const char *aTypeName, uint32_t aInstanceSize)
{
if (xpcomFunctions.logDtorFunc)
xpcomFunctions.logDtorFunc(aPtr, aTypeName, aInstanceSize);
}
XPCOM_API(void)
NS_LogCOMPtrAddRef(void *aCOMPtr, nsISupports *aObject)
{
if (xpcomFunctions.logCOMPtrAddRefFunc)
xpcomFunctions.logCOMPtrAddRefFunc(aCOMPtr, aObject);
}
XPCOM_API(void)
NS_LogCOMPtrRelease(void *aCOMPtr, nsISupports *aObject)
{
if (xpcomFunctions.logCOMPtrReleaseFunc)
xpcomFunctions.logCOMPtrReleaseFunc(aCOMPtr, aObject);
}
XPCOM_API(nsresult)
NS_GetXPTCallStub(REFNSIID aIID, nsIXPTCProxy* aOuter,
nsISomeInterface* *aStub)
{
if (!xpcomFunctions.getXPTCallStubFunc)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.getXPTCallStubFunc(aIID, aOuter, aStub);
}
XPCOM_API(void)
NS_DestroyXPTCallStub(nsISomeInterface* aStub)
{
if (xpcomFunctions.destroyXPTCallStubFunc)
xpcomFunctions.destroyXPTCallStubFunc(aStub);
}
XPCOM_API(nsresult)
NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
uint32_t paramCount, nsXPTCVariant* params)
{
if (!xpcomFunctions.invokeByIndexFunc)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions.invokeByIndexFunc(that, methodIndex,
paramCount, params);
}
XPCOM_API(bool)
NS_CycleCollectorSuspect(nsISupports* obj)
{
if (!xpcomFunctions.cycleSuspectFunc)
return false;
return xpcomFunctions.cycleSuspectFunc(obj);
}
XPCOM_API(bool)
NS_CycleCollectorForget(nsISupports* obj)
{
if (!xpcomFunctions.cycleForgetFunc)
return false;
return xpcomFunctions.cycleForgetFunc(obj);
}
XPCOM_API(nsPurpleBufferEntry*)
NS_CycleCollectorSuspect2(void* obj, nsCycleCollectionParticipant *p)
{
if (!xpcomFunctions.cycleSuspect2Func)
return nullptr;
return xpcomFunctions.cycleSuspect2Func(obj, p);
}
XPCOM_API(bool)
NS_CycleCollectorForget2(nsPurpleBufferEntry* e)
{
if (!xpcomFunctions.cycleForget2Func)
return false;
return xpcomFunctions.cycleForget2Func(e);
}