Common.h 23 KB

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  1. //---------------------------------------------------------------------------
  2. #ifndef CommonH
  3. #define CommonH
  4. //---------------------------------------------------------------------------
  5. #include <vector>
  6. //---------------------------------------------------------------------------
  7. #define EXCEPTION throw ExtException(NULL, L"")
  8. #define THROWOSIFFALSE(C) { if (!(C)) RaiseLastOSError(); }
  9. #define SAFE_DESTROY_EX(CLASS, OBJ) { CLASS * PObj = OBJ; OBJ = NULL; delete PObj; }
  10. #define SAFE_DESTROY(OBJ) SAFE_DESTROY_EX(TObject, OBJ)
  11. #define NULL_TERMINATE(S) S[LENOF(S) - 1] = L'\0'
  12. #define ASCOPY(dest, source) \
  13. { \
  14. AnsiString CopyBuf = source; \
  15. strncpy(dest, CopyBuf.c_str(), LENOF(dest)); \
  16. dest[LENOF(dest)-1] = '\0'; \
  17. }
  18. #define SWAP(TYPE, FIRST, SECOND) \
  19. { TYPE __Backup = FIRST; FIRST = SECOND; SECOND = __Backup; }
  20. //---------------------------------------------------------------------------
  21. #define PARENTDIRECTORY L".."
  22. #define THISDIRECTORY L"."
  23. //---------------------------------------------------------------------------
  24. extern const wchar_t EngShortMonthNames[12][4];
  25. extern const char Bom[3];
  26. extern const wchar_t TokenPrefix;
  27. extern const wchar_t NoReplacement;
  28. extern const wchar_t TokenReplacement;
  29. extern const UnicodeString LocalInvalidChars;
  30. extern const UnicodeString PasswordMask;
  31. extern const UnicodeString Ellipsis;
  32. //---------------------------------------------------------------------------
  33. extern const UnicodeString HttpProtocol;
  34. extern const UnicodeString HttpsProtocol;
  35. extern const UnicodeString ProtocolSeparator;
  36. //---------------------------------------------------------------------------
  37. UnicodeString ReplaceChar(UnicodeString Str, wchar_t A, wchar_t B);
  38. UnicodeString DeleteChar(UnicodeString Str, wchar_t C);
  39. void PackStr(UnicodeString & Str);
  40. void PackStr(RawByteString & Str);
  41. void PackStr(AnsiString & Str);
  42. void __fastcall Shred(UnicodeString & Str);
  43. void __fastcall Shred(UTF8String & Str);
  44. void __fastcall Shred(AnsiString & Str);
  45. void __fastcall Shred(RawByteString & Str);
  46. UnicodeString AnsiToString(const RawByteString & S);
  47. UnicodeString AnsiToString(const char * S, size_t Len);
  48. UnicodeString MakeValidFileName(UnicodeString FileName);
  49. UnicodeString RootKeyToStr(HKEY RootKey);
  50. UnicodeString BooleanToStr(bool B);
  51. UnicodeString BooleanToEngStr(bool B);
  52. UnicodeString DefaultStr(const UnicodeString & Str, const UnicodeString & Default);
  53. UnicodeString CutToChar(UnicodeString &Str, wchar_t Ch, bool Trim);
  54. UnicodeString CopyToChars(const UnicodeString & Str, int & From, UnicodeString Chs, bool Trim,
  55. wchar_t * Delimiter = NULL, bool DoubleDelimiterEscapes = false);
  56. UnicodeString CopyToChar(const UnicodeString & Str, wchar_t Ch, bool Trim);
  57. UnicodeString RemoveSuffix(const UnicodeString & Str, const UnicodeString & Suffix, bool RemoveNumbersAfterSuffix = false);
  58. UnicodeString DelimitStr(UnicodeString Str, UnicodeString Chars);
  59. UnicodeString ShellDelimitStr(UnicodeString Str, wchar_t Quote);
  60. UnicodeString ExceptionLogString(Exception *E);
  61. UnicodeString __fastcall MainInstructions(const UnicodeString & S);
  62. bool __fastcall HasParagraphs(const UnicodeString & S);
  63. UnicodeString __fastcall MainInstructionsFirstParagraph(const UnicodeString & S);
  64. bool ExtractMainInstructions(UnicodeString & S, UnicodeString & MainInstructions);
  65. UnicodeString RemoveMainInstructionsTag(UnicodeString S);
  66. UnicodeString UnformatMessage(UnicodeString S);
  67. UnicodeString RemoveInteractiveMsgTag(UnicodeString S);
  68. UnicodeString RemoveEmptyLines(const UnicodeString & S);
  69. bool IsNumber(const UnicodeString Str);
  70. extern const wchar_t NormalizedFingerprintSeparator;
  71. UnicodeString Base64ToUrlSafe(const UnicodeString & S);
  72. UnicodeString MD5ToUrlSafe(const UnicodeString & S);
  73. bool SameChecksum(const UnicodeString & AChecksum1, const UnicodeString & AChecksum2, bool Base64);
  74. UnicodeString __fastcall SystemTemporaryDirectory();
  75. UnicodeString __fastcall GetShellFolderPath(int CSIdl);
  76. UnicodeString __fastcall GetPersonalFolder();
  77. UnicodeString __fastcall GetDesktopFolder();
  78. UnicodeString __fastcall StripPathQuotes(const UnicodeString Path);
  79. UnicodeString __fastcall AddQuotes(UnicodeString Str);
  80. UnicodeString __fastcall AddPathQuotes(UnicodeString Path);
  81. void __fastcall SplitCommand(UnicodeString Command, UnicodeString &Program,
  82. UnicodeString & Params, UnicodeString & Dir);
  83. UnicodeString __fastcall ValidLocalFileName(UnicodeString FileName);
  84. UnicodeString __fastcall ValidLocalFileName(
  85. UnicodeString FileName, wchar_t InvalidCharsReplacement,
  86. const UnicodeString & TokenizibleChars, const UnicodeString & LocalInvalidChars);
  87. UnicodeString __fastcall ExtractProgram(UnicodeString Command);
  88. UnicodeString __fastcall ExtractProgramName(UnicodeString Command);
  89. UnicodeString __fastcall FormatCommand(UnicodeString Program, UnicodeString Params);
  90. UnicodeString __fastcall ExpandFileNameCommand(const UnicodeString Command,
  91. const UnicodeString FileName);
  92. void __fastcall ReformatFileNameCommand(UnicodeString & Command);
  93. UnicodeString __fastcall EscapeParam(const UnicodeString & Param);
  94. UnicodeString __fastcall EscapePuttyCommandParam(UnicodeString Param);
  95. UnicodeString __fastcall StringsToParams(TStrings * Strings);
  96. UnicodeString __fastcall ExpandEnvironmentVariables(const UnicodeString & Str);
  97. bool __fastcall SamePaths(const UnicodeString & Path1, const UnicodeString & Path2);
  98. UnicodeString GetNormalizedPath(const UnicodeString & Path);
  99. UnicodeString GetCanonicalPath(const UnicodeString & Path);
  100. bool __fastcall IsPathToSameFile(const UnicodeString & Path1, const UnicodeString & Path2);
  101. int __fastcall CompareLogicalText(
  102. const UnicodeString & S1, const UnicodeString & S2, bool NaturalOrderNumericalSorting);
  103. int __fastcall CompareNumber(__int64 Value1, __int64 Value2);
  104. bool ContainsTextSemiCaseSensitive(const UnicodeString & Text, const UnicodeString & SubText);
  105. bool __fastcall IsReservedName(UnicodeString FileName);
  106. UnicodeString __fastcall ApiPath(UnicodeString Path);
  107. UnicodeString __fastcall DisplayableStr(const RawByteString & Str);
  108. UnicodeString __fastcall ByteToHex(unsigned char B, bool UpperCase = true);
  109. UnicodeString __fastcall BytesToHex(const unsigned char * B, size_t Length, bool UpperCase = true, wchar_t Separator = L'\0');
  110. UnicodeString __fastcall BytesToHex(RawByteString Str, bool UpperCase = true, wchar_t Separator = L'\0');
  111. UnicodeString __fastcall CharToHex(wchar_t Ch, bool UpperCase = true);
  112. RawByteString __fastcall HexToBytes(const UnicodeString Hex);
  113. unsigned char __fastcall HexToByte(const UnicodeString Hex);
  114. bool __fastcall IsLowerCaseLetter(wchar_t Ch);
  115. bool __fastcall IsUpperCaseLetter(wchar_t Ch);
  116. bool __fastcall IsLetter(wchar_t Ch);
  117. bool __fastcall IsDigit(wchar_t Ch);
  118. bool __fastcall IsHex(wchar_t Ch);
  119. UnicodeString __fastcall DecodeUrlChars(UnicodeString S);
  120. UnicodeString __fastcall EncodeUrlString(UnicodeString S);
  121. UnicodeString __fastcall EncodeUrlPath(UnicodeString S);
  122. UnicodeString __fastcall AppendUrlParams(UnicodeString URL, UnicodeString Params);
  123. UnicodeString __fastcall ExtractFileNameFromUrl(const UnicodeString & Url);
  124. bool __fastcall RecursiveDeleteFile(const UnicodeString & FileName, bool ToRecycleBin);
  125. int __fastcall RecursiveDeleteFileChecked(const UnicodeString & FileName, bool ToRecycleBin);
  126. void __fastcall DeleteFileChecked(const UnicodeString & FileName);
  127. unsigned int __fastcall CancelAnswer(unsigned int Answers);
  128. unsigned int __fastcall AbortAnswer(unsigned int Answers);
  129. unsigned int __fastcall ContinueAnswer(unsigned int Answers);
  130. UnicodeString __fastcall LoadStr(int Ident, unsigned int MaxLength);
  131. UnicodeString __fastcall LoadStrFrom(HINSTANCE Module, int Ident);
  132. UnicodeString __fastcall LoadStrPart(int Ident, int Part);
  133. UnicodeString __fastcall EscapeHotkey(const UnicodeString & Caption);
  134. bool __fastcall CutToken(UnicodeString & Str, UnicodeString & Token,
  135. UnicodeString * RawToken = NULL, UnicodeString * Separator = NULL);
  136. bool __fastcall CutTokenEx(UnicodeString & Str, UnicodeString & Token,
  137. UnicodeString * RawToken = NULL, UnicodeString * Separator = NULL);
  138. void __fastcall AddToList(UnicodeString & List, const UnicodeString & Value, const UnicodeString & Delimiter);
  139. bool __fastcall IsWinVista();
  140. bool __fastcall IsWin7();
  141. bool __fastcall IsWin8();
  142. bool __fastcall IsWin10();
  143. bool __fastcall IsWin10Build(unsigned int BuildNumber);
  144. bool __fastcall IsWine();
  145. bool __fastcall IsUWP();
  146. TLibModule * __fastcall FindModule(void * Instance);
  147. __int64 __fastcall Round(double Number);
  148. bool __fastcall TryRelativeStrToDateTime(UnicodeString S, TDateTime & DateTime, bool Add);
  149. bool TryStrToDateTimeStandard(const UnicodeString & S, TDateTime & Value);
  150. bool __fastcall TryStrToSize(UnicodeString SizeStr, __int64 & Size);
  151. UnicodeString __fastcall SizeToStr(__int64 Size);
  152. LCID __fastcall GetDefaultLCID();
  153. UnicodeString __fastcall DefaultEncodingName();
  154. UnicodeString __fastcall WindowsProductName();
  155. bool _fastcall GetWindowsProductType(DWORD & Type);
  156. int __fastcall GetWindowsBuild();
  157. UnicodeString __fastcall WindowsVersion();
  158. UnicodeString __fastcall WindowsVersionLong();
  159. bool __fastcall IsDirectoryWriteable(const UnicodeString & Path);
  160. UnicodeString __fastcall FormatNumber(__int64 Size);
  161. UnicodeString __fastcall FormatSize(__int64 Size);
  162. UnicodeString __fastcall ExtractFileBaseName(const UnicodeString & Path);
  163. TStringList * __fastcall TextToStringList(const UnicodeString & Text);
  164. UnicodeString __fastcall StringsToText(TStrings * Strings);
  165. TStrings * __fastcall CloneStrings(TStrings * Strings);
  166. UnicodeString __fastcall TrimVersion(UnicodeString Version);
  167. UnicodeString __fastcall FormatVersion(int MajovVersion, int MinorVersion, int Release);
  168. TFormatSettings __fastcall GetEngFormatSettings();
  169. int __fastcall ParseShortEngMonthName(const UnicodeString & MonthStr);
  170. // The defaults are equal to defaults of TStringList class (except for Sorted)
  171. TStringList * __fastcall CreateSortedStringList(bool CaseSensitive = false, System::Types::TDuplicates Duplicates = dupIgnore);
  172. UnicodeString __fastcall FindIdent(const UnicodeString & Ident, TStrings * Idents);
  173. void __fastcall CheckCertificate(const UnicodeString & Path);
  174. typedef struct x509_st X509;
  175. typedef struct evp_pkey_st EVP_PKEY;
  176. void __fastcall ParseCertificate(const UnicodeString & Path,
  177. const UnicodeString & Passphrase, X509 *& Certificate, EVP_PKEY *& PrivateKey,
  178. bool & WrongPassphrase);
  179. bool __fastcall IsHttpUrl(const UnicodeString & S);
  180. bool __fastcall IsHttpOrHttpsUrl(const UnicodeString & S);
  181. UnicodeString __fastcall ChangeUrlProtocol(const UnicodeString & S, const UnicodeString & Protocol);
  182. void __fastcall LoadScriptFromFile(UnicodeString FileName, TStrings * Lines, bool FallbackToAnsi = false);
  183. UnicodeString __fastcall StripEllipsis(const UnicodeString & S);
  184. UnicodeString __fastcall GetFileMimeType(const UnicodeString & FileName);
  185. bool __fastcall IsRealFile(const UnicodeString & FileName);
  186. UnicodeString GetOSInfo();
  187. UnicodeString GetEnvironmentInfo();
  188. void SetStringValueEvenIfEmpty(TStrings * Strings, const UnicodeString & Name, const UnicodeString & Value);
  189. UnicodeString __fastcall GetAncestorProcessName(int Levels = 1);
  190. UnicodeString GetAncestorProcessNames();
  191. //---------------------------------------------------------------------------
  192. struct TSearchRecSmart : public TSearchRec
  193. {
  194. public:
  195. TSearchRecSmart();
  196. void Clear();
  197. TDateTime GetLastWriteTime() const;
  198. bool IsRealFile() const;
  199. bool IsDirectory() const;
  200. bool IsHidden() const;
  201. private:
  202. mutable FILETIME FLastWriteTimeSource;
  203. mutable TDateTime FLastWriteTime;
  204. };
  205. //---------------------------------------------------------------------------
  206. typedef void __fastcall (__closure* TProcessLocalFileEvent)
  207. (const UnicodeString & FileName, const TSearchRecSmart & Rec, void * Param);
  208. bool __fastcall FileSearchRec(const UnicodeString FileName, TSearchRec & Rec);
  209. void CopySearchRec(const TSearchRec & Source, TSearchRec & Dest);
  210. struct TSearchRecChecked : public TSearchRecSmart
  211. {
  212. UnicodeString Path;
  213. bool Opened;
  214. };
  215. struct TSearchRecOwned : public TSearchRecChecked
  216. {
  217. ~TSearchRecOwned();
  218. void Close();
  219. };
  220. int __fastcall FindCheck(int Result, const UnicodeString & Path);
  221. int __fastcall FindFirstUnchecked(const UnicodeString & Path, int Attr, TSearchRecChecked & F);
  222. int __fastcall FindFirstChecked(const UnicodeString & Path, int Attr, TSearchRecChecked & F);
  223. int __fastcall FindNextChecked(TSearchRecChecked & F);
  224. void __fastcall ProcessLocalDirectory(UnicodeString DirName,
  225. TProcessLocalFileEvent CallBackFunc, void * Param = NULL, int FindAttrs = -1);
  226. int __fastcall FileGetAttrFix(const UnicodeString FileName);
  227. //---------------------------------------------------------------------------
  228. extern const wchar_t * DSTModeNames;
  229. enum TDSTMode
  230. {
  231. dstmWin = 0, //
  232. dstmUnix = 1, // adjust UTC time to Windows "bug"
  233. dstmKeep = 2
  234. };
  235. bool __fastcall UsesDaylightHack();
  236. TDateTime __fastcall EncodeDateVerbose(Word Year, Word Month, Word Day);
  237. TDateTime __fastcall EncodeTimeVerbose(Word Hour, Word Min, Word Sec, Word MSec);
  238. double __fastcall DSTDifferenceForTime(TDateTime DateTime);
  239. TDateTime __fastcall SystemTimeToDateTimeVerbose(const SYSTEMTIME & SystemTime);
  240. TDateTime __fastcall UnixToDateTime(__int64 TimeStamp, TDSTMode DSTMode);
  241. TDateTime __fastcall ConvertTimestampToUTC(TDateTime DateTime);
  242. TDateTime __fastcall ConvertTimestampFromUTC(TDateTime DateTime);
  243. FILETIME __fastcall DateTimeToFileTime(const TDateTime DateTime, TDSTMode DSTMode);
  244. TDateTime __fastcall AdjustDateTimeFromUnix(TDateTime DateTime, TDSTMode DSTMode);
  245. void __fastcall UnifyDateTimePrecision(TDateTime & DateTime1, TDateTime & DateTime2);
  246. TDateTime __fastcall FileTimeToDateTime(const FILETIME & FileTime);
  247. __int64 __fastcall ConvertTimestampToUnix(const FILETIME & FileTime,
  248. TDSTMode DSTMode);
  249. __int64 __fastcall ConvertTimestampToUnixSafe(const FILETIME & FileTime,
  250. TDSTMode DSTMode);
  251. UnicodeString __fastcall FixedLenDateTimeFormat(const UnicodeString & Format);
  252. UnicodeString __fastcall StandardTimestamp(const TDateTime & DateTime);
  253. UnicodeString __fastcall StandardTimestamp();
  254. UnicodeString __fastcall StandardDatestamp();
  255. UnicodeString __fastcall FormatTimeZone(long Sec);
  256. UnicodeString __fastcall GetTimeZoneLogString();
  257. bool __fastcall AdjustClockForDSTEnabled();
  258. int __fastcall CompareFileTime(TDateTime T1, TDateTime T2);
  259. int __fastcall TimeToMSec(TDateTime T);
  260. int __fastcall TimeToSeconds(TDateTime T);
  261. int __fastcall TimeToMinutes(TDateTime T);
  262. UnicodeString __fastcall FormatDateTimeSpan(const UnicodeString TimeFormat, TDateTime DateTime);
  263. TStrings * TlsCipherList();
  264. //---------------------------------------------------------------------------
  265. template<class MethodT>
  266. MethodT __fastcall MakeMethod(void * Data, void * Code)
  267. {
  268. MethodT Method;
  269. ((TMethod*)&Method)->Data = Data;
  270. ((TMethod*)&Method)->Code = Code;
  271. return Method;
  272. }
  273. //---------------------------------------------------------------------------
  274. enum TAssemblyLanguage { alCSharp, alVBNET, alPowerShell };
  275. extern const UnicodeString RtfPara;
  276. extern const UnicodeString AssemblyNamespace;
  277. extern const UnicodeString SessionClassName;
  278. extern const UnicodeString TransferOptionsClassName;
  279. //---------------------------------------------------------------------
  280. UnicodeString __fastcall RtfText(const UnicodeString & Text, bool Rtf = true);
  281. UnicodeString __fastcall RtfColor(int Index);
  282. UnicodeString __fastcall RtfOverrideColorText(const UnicodeString & Text);
  283. UnicodeString __fastcall RtfColorItalicText(int Color, const UnicodeString & Text);
  284. UnicodeString __fastcall RtfColorText(int Color, const UnicodeString & Text);
  285. UnicodeString __fastcall RtfKeyword(const UnicodeString & Text);
  286. UnicodeString __fastcall RtfParameter(const UnicodeString & Text);
  287. UnicodeString __fastcall RtfString(const UnicodeString & Text);
  288. UnicodeString __fastcall RtfLink(const UnicodeString & Link, const UnicodeString & RtfText);
  289. UnicodeString __fastcall RtfSwitch(
  290. const UnicodeString & Name, const UnicodeString & Link, bool Rtf = true);
  291. UnicodeString __fastcall RtfSwitchValue(
  292. const UnicodeString & Name, const UnicodeString & Link, const UnicodeString & Value, bool Rtf = true);
  293. UnicodeString __fastcall RtfSwitch(
  294. const UnicodeString & Name, const UnicodeString & Link, const UnicodeString & Value, bool Rtf = true);
  295. UnicodeString __fastcall RtfSwitch(
  296. const UnicodeString & Name, const UnicodeString & Link, int Value, bool Rtf = true);
  297. UnicodeString __fastcall RtfEscapeParam(UnicodeString Param, bool PowerShellEscape);
  298. UnicodeString __fastcall RtfRemoveHyperlinks(UnicodeString Text);
  299. UnicodeString __fastcall ScriptCommandLink(const UnicodeString & Command);
  300. UnicodeString __fastcall AssemblyBoolean(TAssemblyLanguage Language, bool Value);
  301. UnicodeString __fastcall AssemblyString(TAssemblyLanguage Language, UnicodeString S);
  302. UnicodeString __fastcall AssemblyCommentLine(TAssemblyLanguage Language, const UnicodeString & Text);
  303. UnicodeString __fastcall AssemblyPropertyRaw(
  304. TAssemblyLanguage Language, const UnicodeString & ClassName, const UnicodeString & Name,
  305. const UnicodeString & Value, bool Inline);
  306. UnicodeString __fastcall AssemblyProperty(
  307. TAssemblyLanguage Language, const UnicodeString & ClassName, const UnicodeString & Name,
  308. const UnicodeString & Type, const UnicodeString & Member, bool Inline);
  309. UnicodeString __fastcall AssemblyProperty(
  310. TAssemblyLanguage Language, const UnicodeString & ClassName, const UnicodeString & Name,
  311. const UnicodeString & Value, bool Inline);
  312. UnicodeString __fastcall AssemblyProperty(
  313. TAssemblyLanguage Language, const UnicodeString & ClassName, const UnicodeString & Name, int Value, bool Inline);
  314. UnicodeString __fastcall AssemblyProperty(
  315. TAssemblyLanguage Language, const UnicodeString & ClassName, const UnicodeString & Name, bool Value, bool Inline);
  316. UnicodeString __fastcall RtfLibraryMethod(const UnicodeString & ClassName, const UnicodeString & MethodName, bool Inpage);
  317. UnicodeString __fastcall RtfLibraryClass(const UnicodeString & ClassName);
  318. UnicodeString __fastcall AssemblyVariableName(TAssemblyLanguage Language, const UnicodeString & ClassName);
  319. UnicodeString __fastcall AssemblyStatementSeparator(TAssemblyLanguage Language);
  320. UnicodeString __fastcall AssemblyVariableDeclaration(TAssemblyLanguage Language);
  321. UnicodeString __fastcall AssemblyNewClassInstance(
  322. TAssemblyLanguage Language, const UnicodeString & ClassName, bool Inline);
  323. UnicodeString __fastcall AssemblyNewClassInstanceStart(
  324. TAssemblyLanguage Language, const UnicodeString & ClassName, bool Inline);
  325. UnicodeString __fastcall AssemblyNewClassInstanceEnd(TAssemblyLanguage Language, bool Inline);
  326. UnicodeString __fastcall AssemblyAddRawSettings(
  327. TAssemblyLanguage Language, TStrings * RawSettings, const UnicodeString & ClassName,
  328. const UnicodeString & MethodName);
  329. //---------------------------------------------------------------------------
  330. #include "Global.h"
  331. //---------------------------------------------------------------------------
  332. template<class T>
  333. class TValueRestorer
  334. {
  335. public:
  336. __fastcall TValueRestorer(T & Target, const T & Value) :
  337. FTarget(Target),
  338. FValue(Value),
  339. FArmed(true)
  340. {
  341. }
  342. __fastcall TValueRestorer(T & Target) :
  343. FTarget(Target),
  344. FValue(Target),
  345. FArmed(true)
  346. {
  347. }
  348. void Release()
  349. {
  350. if (FArmed)
  351. {
  352. FTarget = FValue;
  353. FArmed = false;
  354. }
  355. }
  356. __fastcall ~TValueRestorer()
  357. {
  358. Release();
  359. }
  360. protected:
  361. T & FTarget;
  362. T FValue;
  363. bool FArmed;
  364. };
  365. //---------------------------------------------------------------------------
  366. class TAutoNestingCounter : public TValueRestorer<int>
  367. {
  368. public:
  369. __fastcall TAutoNestingCounter(int & Target) :
  370. TValueRestorer<int>(Target)
  371. {
  372. DebugAssert(Target >= 0);
  373. ++Target;
  374. }
  375. __fastcall ~TAutoNestingCounter()
  376. {
  377. DebugAssert(!FArmed || (FTarget == (FValue + 1)));
  378. }
  379. };
  380. //---------------------------------------------------------------------------
  381. class TAutoFlag : public TValueRestorer<bool>
  382. {
  383. public:
  384. __fastcall TAutoFlag(bool & Target) :
  385. TValueRestorer<bool>(Target)
  386. {
  387. DebugAssert(!Target);
  388. Target = true;
  389. }
  390. __fastcall ~TAutoFlag()
  391. {
  392. DebugAssert(!FArmed || FTarget);
  393. }
  394. };
  395. //---------------------------------------------------------------------------
  396. #include <map>
  397. //---------------------------------------------------------------------------
  398. template<class T1, class T2>
  399. class BiDiMap
  400. {
  401. public:
  402. typedef std::map<T1, T2> TFirstToSecond;
  403. typedef TFirstToSecond::const_iterator const_iterator;
  404. void Add(const T1 & Value1, const T2 & Value2)
  405. {
  406. FFirstToSecond.insert(std::make_pair(Value1, Value2));
  407. FSecondToFirst.insert(std::make_pair(Value2, Value1));
  408. }
  409. T1 LookupFirst(const T2 & Value2) const
  410. {
  411. TSecondToFirst::const_iterator Iterator = FSecondToFirst.find(Value2);
  412. DebugAssert(Iterator != FSecondToFirst.end());
  413. return Iterator->second;
  414. }
  415. T2 LookupSecond(const T1 & Value1) const
  416. {
  417. const_iterator Iterator = FFirstToSecond.find(Value1);
  418. DebugAssert(Iterator != FFirstToSecond.end());
  419. return Iterator->second;
  420. }
  421. const_iterator begin()
  422. {
  423. return FFirstToSecond.begin();
  424. }
  425. const_iterator end()
  426. {
  427. return FFirstToSecond.end();
  428. }
  429. private:
  430. TFirstToSecond FFirstToSecond;
  431. typedef std::map<T2, T1> TSecondToFirst;
  432. TSecondToFirst FSecondToFirst;
  433. };
  434. //---------------------------------------------------------------------------
  435. template<class T>
  436. class TMulticastEvent
  437. {
  438. public:
  439. TMulticastEvent()
  440. {
  441. // noop
  442. }
  443. TMulticastEvent(const TMulticastEvent & Other) :
  444. FEventHandlers(Other.FEventHandlers)
  445. {
  446. }
  447. explicit TMulticastEvent(T EventHandler)
  448. {
  449. Add(EventHandler);
  450. }
  451. void Add(T EventHandler)
  452. {
  453. DebugAssert(EventHandler != NULL);
  454. DebugAssert(Find(EventHandler) == FEventHandlers.end());
  455. FEventHandlers.push_back(EventHandler);
  456. }
  457. void Remove(T EventHandler)
  458. {
  459. TEventHandlers::iterator I = Find(EventHandler);
  460. if (DebugAlwaysTrue(I != FEventHandlers.end()))
  461. {
  462. FEventHandlers.erase(I);
  463. }
  464. }
  465. #pragma warn -inl
  466. template<typename P>
  467. void Invoke(const P & p)
  468. {
  469. TEventHandlers::iterator I = FEventHandlers.begin();
  470. while (I != FEventHandlers.end())
  471. {
  472. (*I)(p);
  473. ++I;
  474. }
  475. }
  476. #pragma warn .inl
  477. bool Contains(T EventHandler)
  478. {
  479. return (Find(EventHandler) != FEventHandlers.end());
  480. }
  481. bool Any() const
  482. {
  483. return (FEventHandlers.size() > 0);
  484. }
  485. bool operator==(const TMulticastEvent<T> Other) const
  486. {
  487. return (FEventHandlers == Other.FEventHandlers);
  488. }
  489. void operator=(const TMulticastEvent<T> & Other)
  490. {
  491. FEventHandlers = Other.FEventHandlers;
  492. }
  493. private:
  494. typedef std::vector<T> TEventHandlers;
  495. TEventHandlers FEventHandlers;
  496. TEventHandlers::iterator Find(T EventHandler)
  497. {
  498. return std::find(FEventHandlers.begin(), FEventHandlers.end(), EventHandler);
  499. }
  500. };
  501. //---------------------------------------------------------------------------
  502. typedef std::vector<UnicodeString> TUnicodeStringVector;
  503. //---------------------------------------------------------------------------
  504. #endif