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NCBI C++ ToolKit: src/corelib/ncbidll.cpp Source File

x_name = name;

name.find_first_of(

) ==

&&

errMode = SetErrorMode(SEM_FAILCRITICALERRORS);

SetErrorMode(errMode);

unloaded =

;

(

<<name);

NSSymbol nssymbol = NSLookupSymbolInModule(module, name.c_str());

ptr = NSAddressOfSymbol(nssymbol);

FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |

FORMAT_MESSAGE_FROM_SYSTEM |

FORMAT_MESSAGE_IGNORE_INSERTS,

, GetLastError(),

MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),

errmsg = ptr ?

(ptr) :

;

* errmsg = dlerror();

errmsg =

;

* errmsg =

;

: m_AutoUnloadDll(unload)

: m_AutoUnloadDll(unload)

& driver_name)

* dll =

;

entry_point_name;

& dll_name = dll->

();

( !dll_name.empty() ) {

(*it,

, base_name, entry_point_name);

(!driver_name.empty()) {

(*it,

, driver_name, entry_point_name);

( entry_point_name.empty() )

(dll !=

) {

( !dir.empty() ) {

paths.push_back(dir);

= GetSystemDirectory(

, MAX_PATH+1);

(

>0 &&

<=MAX_PATH) {

= GetWindowsDirectory(

, MAX_PATH+1);

(

>0 &&

<=MAX_PATH) {

*

= getenv(

);

(runpath && *runpath) {

vector<string> tokenized;

(vector<string>,

, tokenized) {

(

->find(

) ==

) {

paths.push_back(*

);

( !dir.empty() ) {

paths.push_back(runpath);

static string GetAppName(EAppNameType name_type=eBaseName, int argc=0, const char *const *argv=NULL)

#define ITERATE(Type, Var, Cont)

ITERATE macro to sequence through container elements.

#define NON_CONST_ITERATE(Type, Var, Cont)

Non constant version of ITERATE macro.

@ eFullName

per GetProgramExecutablePath(eIgnoreLinks)

const string & GetName() const

Get the name of the DLL file.

SDllHandle * m_Handle

DLL handle.

FEntryPoint func

Do not call this func without type cast!

void(* FEntryPoint)(char ****Do_Not_Call_This)

Fake, uncallable function pointer.

EBasename

Whether to transform the DLL basename.

void Load(void)

Load DLL.

void x_Init(const string &path, const string &name, TFlags flags)

Helper method to initialize object.

bool TryCandidate(const string &file_name, const string &driver_name=kEmptyStr)

Try to load DLL from the specified file and resolve the entry point.

vector< SResolvedEntry > TEntries

Container, keeps list of all resolved entry points.

vector< SNamedEntryPoint > entry_points

list of DLL entry points

CDllResolver(const string &entry_point_name, CDll::EAutoUnload unload=CDll::eAutoUnload)

Constructor.

EAutoUnload

Whether to unload DLL in the destructor.

CDll::EAutoUnload m_AutoUnloadDll

void Unload()

Unload all resolved DLLs.

unsigned int TFlags

Binary OR of "EFlags".

TEntryPoint GetEntryPoint(const string &name)

Helper find method for getting a DLLs entry point.

#define NCBI_PLUGIN_MIN_SUFFIX

#define NCBI_PLUGIN_SUFFIX

void Unload(void)

Unload DLL.

~CDllResolver()

Destructor.

#define NCBI_PLUGIN_PREFIX

vector< string > m_EntryPoinNames

Candidate entry points.

CDll(const string &name, TFlags flags)

Constructor.

void x_ThrowException(const string &what)

Helper method to throw exception with system-specific error message.

TEntries m_ResolvedEntries

void x_AddExtraDllPath(vector< string > &paths, TExtraDllPath which)

Get the DLL search paths related to the given standard path group.

@ fLoadNow

When to load DLL.

@ fAutoUnload

Whether to unload DLL in the destructor.

@ fBaseName

Whether to transform the DLL basename.

@ fLocal

Load as RTLD_LOCAL.

@ fLoadLater

Load DLL later, using method Load()

@ fExactName

Use the name "as is".

@ fGlobal

Specify how to load symbols from DLL.

@ fNoAutoUnload

Unload DLL later, using method Unload()

#define NCBI_THROW(exception_class, err_code, message)

Generic macro to throw an exception, given the exception class, error code and message string.

TErrCode GetErrCode(void) const

#define NCBI_REPORT_EXCEPTION_X(err_subcode, title, ex)

Generate a report on the exception with default error code and given subcode.

static string ConcatPath(const string &first, const string &second)

Concatenate two parts of the path for the current OS.

static bool MatchesMask(const string &name, const string &mask, NStr::ECase use_case=NStr::eCase)

Match a "name" against a simple filename "mask".

static void SplitPath(const string &path, string *dir=0, string *base=0, string *ext=0)

Split a path string into its basic components.

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

static list< string > & Split(const CTempString str, const CTempString delim, list< string > &arr, TSplitFlags flags=0, vector< SIZE_TYPE > *token_pos=NULL)

Split a string using specified delimiters.

static string & Replace(const string &src, const string &search, const string &replace, string &dst, SIZE_TYPE start_pos=0, SIZE_TYPE max_replace=0, SIZE_TYPE *num_replace=0)

Replace occurrences of a substring within a string.

static string & ToLower(string &str)

Convert string to lower case – string& version.

Definition of all error codes used in corelib (xncbi.lib).

Defines MS Windows specifics for our "C++" code.

Common macro to detect used sanitizers and suppress memory leaks if run under LeakSanitizer.

#define NCBI_LSAN_DISABLE_GUARD

const char * NCBI_GetRunpath(void)

Get run path.

#define F_CLEAN_REDUNDANT(group)

static string s_GetProgramPath(void)

Define class Dll and for Portable DLL handling.

Defines classes: CDirEntry, CFile, CDir, CSymLink, CMemoryFile, CFileUtil, CFileLock,...

DLL entry point name -> function pair.

DLL resolution descriptor.

Entry point – pointer to either a function or a data.

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