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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/plugin__manager_8cpp_source.html below:

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

45

: m_DllNamePrefix(

"ncbi_plugin"

),

46

m_EntryPointPrefix(

"NCBI_EntryPoint"

),

53  const string

& interface_name,

54  const string

& driver_name,

57

: m_DllNamePrefix(

"ncbi_plugin"

),

58

m_EntryPointPrefix(

"NCBI_EntryPoint"

),

59

m_InterfaceName(interface_name),

60

m_DriverName(driver_name),

63

m_AutoUnloadDll(unload_dll)

74  const string

& driver_name,

81  const string

& drv = driver_name.empty() ?

m_DriverName

: driver_name;

89

masks.push_back(

mask

);

93

masks.push_back(

mask

);

94 #if defined(NCBI_OS_UNIX) 96

masks.push_back(

mask

);

106

vector<string> paths;

107

paths.push_back(path);

114  const string

& driver_name,

119  if

(!interface_name.empty()) {

121

name.append(interface_name);

123  if

(!driver_name.empty()) {

125

name.append(driver_name);

132 #if defined(NCBI_OS_MSWIN) 134 #elif defined(NCBI_OS_UNIX) 150  const string

& interface_name,

151  const string

& driver_name,

157  if

( !name.empty() ) {

160  if

(interface_name.empty()) {

163

name.append(interface_name);

167  if

(driver_name.empty()) {

170

name.append(driver_name);

178 #if defined(NCBI_OS_MSWIN) 180 #elif defined(NCBI_OS_UNIX) 192  if

(

version

.GetMajor() <= 0) {

199  if

(

version

.GetMinor() <= 0) {

217  const string

& interface_name,

218  const string

& driver_name)

const 222  if

(!interface_name.empty()) {

224

name.append(interface_name);

226  if

(!driver_name.empty()) {

228

name.append(driver_name);

254

vector<string> entry_point_names;

262

entry_point_names.push_back(entry_name);

265

entry_point_names.push_back(entry_name);

268

entry_point_names.push_back(entry_name);

271

entry_point_names.push_back(entry_name);

274  string

base_name_templ =

"${basename}"

;

279

entry_name.append(

"_"

);

280

entry_name.append(base_name_templ);

281

entry_point_names.push_back(entry_name);

286

entry_name.append(

"_"

);

288

entry_name.append(

"_"

);

289

entry_name.append(base_name_templ);

290

entry_point_names.push_back(entry_name);

296

entry_name.append(

"_"

);

298

entry_name.append(

"_"

);

299

entry_name.append(base_name_templ);

300

entry_point_names.push_back(entry_name);

316 #if defined(NCBI_PLUGIN_AUTO_LOAD) || defined(NCBI_DLL_BUILD) 317 # define LOAD_PLUGINS_FROM_DLLS_BY_DEFAULT true 319 # define LOAD_PLUGINS_FROM_DLLS_BY_DEFAULT false 330  return

TLoadPluginsFromDLLsParam::GetDefault();

340

TLoadPluginsFromDLLsParam::SetDefault(enable);

ncbi::TMaskedQueryRegions mask

Class for entry point resolution when there are several DLL candidates.

EAutoUnload

Whether to unload DLL in the destructor.

#define NCBI_PLUGIN_SUFFIX

#define NCBI_PLUGIN_PREFIX

void FindCandidates(const TClass1 &paths, const TClass2 &masks, TExtraDllPath extra_path=fDefaultDllPath, const string &driver_name=kEmptyStr)

Try to resolve all files matching the specified masks in the specified directories.

TErrCode GetErrCode(void) const

virtual const char * GetErrCodeString(void) const

Get error code interpreted as text.

@ eParam_NoThread

Do not use per-thread values.

CDllResolver * GetCreateDllResolver()

static bool IsEnabledGlobally()

Return whether to allow loading plugins from DLLs in general.

virtual void SetDllNamePrefix(const string &prefix)

Set DLL file name prefix.

vector< string > TSearchPaths

Container for the DLL search paths.

virtual const char * GetErrCodeString(void) const override

Translate from the error code value to its string representation.

CDllResolver * CreateDllResolver() const

CDll::EAutoUnload m_AutoUnloadDll

CDllResolver & ResolveFile(const TSearchPaths &paths, const string &driver_name=kEmptyStr, const CVersionInfo &version=CVersionInfo::kAny, CDllResolver::TExtraDllPath std_path=CDllResolver::fDefaultDllPath)

Search for plugin DLLs, resolve entry points.

string m_EntryPointPrefix

virtual string GetEntryPointPrefix() const

Return DLL entry point prefix ("NCBI_EntryPoint")

static bool IsEnabledGloballyByDefault()

Return whether to allow loading plugins from DLLs in general by default.

virtual ~CPluginManager_DllResolver(void)

CDllResolver & Resolve(const string &path)

Search for plugin DLLs, resolve entry points.

virtual string GetDllNamePrefix() const

Return DLL file name prefix ("ncbi_plugin")

CDllResolver * m_DllResolver

static void EnableGlobally(bool enable=true)

Enable (or disable, if called with enable = false) loading plugins from DLLs in general.

virtual string GetDllNameMask(const string &interface_name, const string &driver_name=kEmptyStr, const CVersionInfo &version=CVersionInfo::kAny, EVersionLocation ver_lct=eBeforeSuffix) const

Return DLL name mask.

CPluginManager_DllResolver(void)

virtual string GetEntryPointName(const string &interface_name=kEmptyStr, const string &driver_name=kEmptyStr) const

Return DLL entry point name:

virtual string GetDllName(const string &interface_name, const string &driver_name=kEmptyStr, const CVersionInfo &version=CVersionInfo::kAny) const

Return dll file name.

@ eResolveFailure

Cannot resolve interface driver.

@ eParameterMissing

Missing mandatory parameter.

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

static string IntToString(int value, TNumToStringFlags flags=0, int base=10)

Convert int to string.

const string version

version string

Define class Dll and for Portable DLL handling.

NCBI_PARAM_DEF_EX(bool, NCBI, Load_Plugins_From_DLLs, false, eParam_NoThread, NCBI_LOAD_PLUGINS_FROM_DLLS)

NCBI_PARAM_DECL(bool, NCBI, Load_Plugins_From_DLLs)

typedef NCBI_PARAM_TYPE(NCBI, Load_Plugins_From_DLLs) TLoadPluginsFromDLLsParam

#define LOAD_PLUGINS_FROM_DLLS_BY_DEFAULT

Plugin manager (using class factory paradigm).

static const char delimiter[]


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