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. bool __fastcall IsPathToSameFile(const UnicodeString & Path1, const UnicodeString & Path2);
  99. int __fastcall CompareLogicalText(
  100. const UnicodeString & S1, const UnicodeString & S2, bool NaturalOrderNumericalSorting);
  101. int __fastcall CompareNumber(__int64 Value1, __int64 Value2);
  102. bool ContainsTextSemiCaseSensitive(const UnicodeString & Text, const UnicodeString & SubText);
  103. bool __fastcall IsReservedName(UnicodeString FileName);
  104. UnicodeString __fastcall ApiPath(UnicodeString Path);
  105. UnicodeString __fastcall DisplayableStr(const RawByteString & Str);
  106. UnicodeString __fastcall ByteToHex(unsigned char B, bool UpperCase = true);
  107. UnicodeString __fastcall BytesToHex(const unsigned char * B, size_t Length, bool UpperCase = true, wchar_t Separator = L'\0');
  108. UnicodeString __fastcall BytesToHex(RawByteString Str, bool UpperCase = true, wchar_t Separator = L'\0');
  109. UnicodeString __fastcall CharToHex(wchar_t Ch, bool UpperCase = true);
  110. RawByteString __fastcall HexToBytes(const UnicodeString Hex);
  111. unsigned char __fastcall HexToByte(const UnicodeString Hex);
  112. bool __fastcall IsLowerCaseLetter(wchar_t Ch);
  113. bool __fastcall IsUpperCaseLetter(wchar_t Ch);
  114. bool __fastcall IsLetter(wchar_t Ch);
  115. bool __fastcall IsDigit(wchar_t Ch);
  116. bool __fastcall IsHex(wchar_t Ch);
  117. UnicodeString __fastcall DecodeUrlChars(UnicodeString S);
  118. UnicodeString __fastcall EncodeUrlString(UnicodeString S);
  119. UnicodeString __fastcall EncodeUrlPath(UnicodeString S);
  120. UnicodeString __fastcall AppendUrlParams(UnicodeString URL, UnicodeString Params);
  121. UnicodeString __fastcall ExtractFileNameFromUrl(const UnicodeString & Url);
  122. bool __fastcall RecursiveDeleteFile(const UnicodeString & FileName, bool ToRecycleBin);
  123. int __fastcall RecursiveDeleteFileChecked(const UnicodeString & FileName, bool ToRecycleBin);
  124. void __fastcall DeleteFileChecked(const UnicodeString & FileName);
  125. unsigned int __fastcall CancelAnswer(unsigned int Answers);
  126. unsigned int __fastcall AbortAnswer(unsigned int Answers);
  127. unsigned int __fastcall ContinueAnswer(unsigned int Answers);
  128. UnicodeString __fastcall LoadStr(int Ident, unsigned int MaxLength);
  129. UnicodeString __fastcall LoadStrFrom(HINSTANCE Module, int Ident);
  130. UnicodeString __fastcall LoadStrPart(int Ident, int Part);
  131. UnicodeString __fastcall EscapeHotkey(const UnicodeString & Caption);
  132. bool __fastcall CutToken(UnicodeString & Str, UnicodeString & Token,
  133. UnicodeString * RawToken = NULL, UnicodeString * Separator = NULL);
  134. bool __fastcall CutTokenEx(UnicodeString & Str, UnicodeString & Token,
  135. UnicodeString * RawToken = NULL, UnicodeString * Separator = NULL);
  136. void __fastcall AddToList(UnicodeString & List, const UnicodeString & Value, const UnicodeString & Delimiter);
  137. bool __fastcall IsWinVista();
  138. bool __fastcall IsWin7();
  139. bool __fastcall IsWin8();
  140. bool __fastcall IsWin10();
  141. bool __fastcall IsWin10Build(unsigned int BuildNumber);
  142. bool __fastcall IsWine();
  143. bool __fastcall IsUWP();
  144. TLibModule * __fastcall FindModule(void * Instance);
  145. __int64 __fastcall Round(double Number);
  146. bool __fastcall TryRelativeStrToDateTime(UnicodeString S, TDateTime & DateTime, bool Add);
  147. bool TryStrToDateTimeStandard(const UnicodeString & S, TDateTime & Value);
  148. bool __fastcall TryStrToSize(UnicodeString SizeStr, __int64 & Size);
  149. UnicodeString __fastcall SizeToStr(__int64 Size);
  150. LCID __fastcall GetDefaultLCID();
  151. UnicodeString __fastcall DefaultEncodingName();
  152. UnicodeString __fastcall WindowsProductName();
  153. bool _fastcall GetWindowsProductType(DWORD & Type);
  154. int __fastcall GetWindowsBuild();
  155. UnicodeString __fastcall WindowsVersion();
  156. UnicodeString __fastcall WindowsVersionLong();
  157. bool __fastcall IsDirectoryWriteable(const UnicodeString & Path);
  158. UnicodeString __fastcall FormatNumber(__int64 Size);
  159. UnicodeString __fastcall FormatSize(__int64 Size);
  160. UnicodeString __fastcall ExtractFileBaseName(const UnicodeString & Path);
  161. TStringList * __fastcall TextToStringList(const UnicodeString & Text);
  162. UnicodeString __fastcall StringsToText(TStrings * Strings);
  163. TStrings * __fastcall CloneStrings(TStrings * Strings);
  164. UnicodeString __fastcall TrimVersion(UnicodeString Version);
  165. UnicodeString __fastcall FormatVersion(int MajovVersion, int MinorVersion, int Release);
  166. TFormatSettings __fastcall GetEngFormatSettings();
  167. int __fastcall ParseShortEngMonthName(const UnicodeString & MonthStr);
  168. // The defaults are equal to defaults of TStringList class (except for Sorted)
  169. TStringList * __fastcall CreateSortedStringList(bool CaseSensitive = false, System::Types::TDuplicates Duplicates = dupIgnore);
  170. UnicodeString __fastcall FindIdent(const UnicodeString & Ident, TStrings * Idents);
  171. void __fastcall CheckCertificate(const UnicodeString & Path);
  172. typedef struct x509_st X509;
  173. typedef struct evp_pkey_st EVP_PKEY;
  174. void __fastcall ParseCertificate(const UnicodeString & Path,
  175. const UnicodeString & Passphrase, X509 *& Certificate, EVP_PKEY *& PrivateKey,
  176. bool & WrongPassphrase);
  177. bool __fastcall IsHttpUrl(const UnicodeString & S);
  178. bool __fastcall IsHttpOrHttpsUrl(const UnicodeString & S);
  179. UnicodeString __fastcall ChangeUrlProtocol(const UnicodeString & S, const UnicodeString & Protocol);
  180. void __fastcall LoadScriptFromFile(UnicodeString FileName, TStrings * Lines, bool FallbackToAnsi = false);
  181. UnicodeString __fastcall StripEllipsis(const UnicodeString & S);
  182. UnicodeString __fastcall GetFileMimeType(const UnicodeString & FileName);
  183. bool __fastcall IsRealFile(const UnicodeString & FileName);
  184. UnicodeString GetOSInfo();
  185. UnicodeString GetEnvironmentInfo();
  186. void SetStringValueEvenIfEmpty(TStrings * Strings, const UnicodeString & Name, const UnicodeString & Value);
  187. UnicodeString __fastcall GetAncestorProcessName(int Levels = 1);
  188. UnicodeString GetAncestorProcessNames();
  189. //---------------------------------------------------------------------------
  190. struct TSearchRecSmart : public TSearchRec
  191. {
  192. public:
  193. TSearchRecSmart();
  194. void Clear();
  195. TDateTime GetLastWriteTime() const;
  196. bool IsRealFile() const;
  197. bool IsDirectory() const;
  198. bool IsHidden() const;
  199. private:
  200. mutable FILETIME FLastWriteTimeSource;
  201. mutable TDateTime FLastWriteTime;
  202. };
  203. //---------------------------------------------------------------------------
  204. typedef void __fastcall (__closure* TProcessLocalFileEvent)
  205. (const UnicodeString & FileName, const TSearchRecSmart & Rec, void * Param);
  206. bool __fastcall FileSearchRec(const UnicodeString FileName, TSearchRec & Rec);
  207. void CopySearchRec(const TSearchRec & Source, TSearchRec & Dest);
  208. struct TSearchRecChecked : public TSearchRecSmart
  209. {
  210. UnicodeString Path;
  211. bool Opened;
  212. };
  213. struct TSearchRecOwned : public TSearchRecChecked
  214. {
  215. ~TSearchRecOwned();
  216. void Close();
  217. };
  218. int __fastcall FindCheck(int Result, const UnicodeString & Path);
  219. int __fastcall FindFirstUnchecked(const UnicodeString & Path, int Attr, TSearchRecChecked & F);
  220. int __fastcall FindFirstChecked(const UnicodeString & Path, int Attr, TSearchRecChecked & F);
  221. int __fastcall FindNextChecked(TSearchRecChecked & F);
  222. void __fastcall ProcessLocalDirectory(UnicodeString DirName,
  223. TProcessLocalFileEvent CallBackFunc, void * Param = NULL, int FindAttrs = -1);
  224. int __fastcall FileGetAttrFix(const UnicodeString FileName);
  225. //---------------------------------------------------------------------------
  226. extern const wchar_t * DSTModeNames;
  227. enum TDSTMode
  228. {
  229. dstmWin = 0, //
  230. dstmUnix = 1, // adjust UTC time to Windows "bug"
  231. dstmKeep = 2
  232. };
  233. bool __fastcall UsesDaylightHack();
  234. TDateTime __fastcall EncodeDateVerbose(Word Year, Word Month, Word Day);
  235. TDateTime __fastcall EncodeTimeVerbose(Word Hour, Word Min, Word Sec, Word MSec);
  236. double __fastcall DSTDifferenceForTime(TDateTime DateTime);
  237. TDateTime __fastcall SystemTimeToDateTimeVerbose(const SYSTEMTIME & SystemTime);
  238. TDateTime __fastcall UnixToDateTime(__int64 TimeStamp, TDSTMode DSTMode);
  239. TDateTime __fastcall ConvertTimestampToUTC(TDateTime DateTime);
  240. TDateTime __fastcall ConvertTimestampFromUTC(TDateTime DateTime);
  241. FILETIME __fastcall DateTimeToFileTime(const TDateTime DateTime, TDSTMode DSTMode);
  242. TDateTime __fastcall AdjustDateTimeFromUnix(TDateTime DateTime, TDSTMode DSTMode);
  243. void __fastcall UnifyDateTimePrecision(TDateTime & DateTime1, TDateTime & DateTime2);
  244. TDateTime __fastcall FileTimeToDateTime(const FILETIME & FileTime);
  245. __int64 __fastcall ConvertTimestampToUnix(const FILETIME & FileTime,
  246. TDSTMode DSTMode);
  247. __int64 __fastcall ConvertTimestampToUnixSafe(const FILETIME & FileTime,
  248. TDSTMode DSTMode);
  249. UnicodeString __fastcall FixedLenDateTimeFormat(const UnicodeString & Format);
  250. UnicodeString __fastcall StandardTimestamp(const TDateTime & DateTime);
  251. UnicodeString __fastcall StandardTimestamp();
  252. UnicodeString __fastcall StandardDatestamp();
  253. UnicodeString __fastcall FormatTimeZone(long Sec);
  254. UnicodeString __fastcall GetTimeZoneLogString();
  255. bool __fastcall AdjustClockForDSTEnabled();
  256. int __fastcall CompareFileTime(TDateTime T1, TDateTime T2);
  257. int __fastcall TimeToMSec(TDateTime T);
  258. int __fastcall TimeToSeconds(TDateTime T);
  259. int __fastcall TimeToMinutes(TDateTime T);
  260. UnicodeString __fastcall FormatDateTimeSpan(const UnicodeString TimeFormat, TDateTime DateTime);
  261. TStrings * TlsCipherList();
  262. //---------------------------------------------------------------------------
  263. template<class MethodT>
  264. MethodT __fastcall MakeMethod(void * Data, void * Code)
  265. {
  266. MethodT Method;
  267. ((TMethod*)&Method)->Data = Data;
  268. ((TMethod*)&Method)->Code = Code;
  269. return Method;
  270. }
  271. //---------------------------------------------------------------------------
  272. enum TAssemblyLanguage { alCSharp, alVBNET, alPowerShell };
  273. extern const UnicodeString RtfPara;
  274. extern const UnicodeString AssemblyNamespace;
  275. extern const UnicodeString SessionClassName;
  276. extern const UnicodeString TransferOptionsClassName;
  277. //---------------------------------------------------------------------
  278. UnicodeString __fastcall RtfText(const UnicodeString & Text, bool Rtf = true);
  279. UnicodeString __fastcall RtfColor(int Index);
  280. UnicodeString __fastcall RtfOverrideColorText(const UnicodeString & Text);
  281. UnicodeString __fastcall RtfColorItalicText(int Color, const UnicodeString & Text);
  282. UnicodeString __fastcall RtfColorText(int Color, const UnicodeString & Text);
  283. UnicodeString __fastcall RtfKeyword(const UnicodeString & Text);
  284. UnicodeString __fastcall RtfParameter(const UnicodeString & Text);
  285. UnicodeString __fastcall RtfString(const UnicodeString & Text);
  286. UnicodeString __fastcall RtfLink(const UnicodeString & Link, const UnicodeString & RtfText);
  287. UnicodeString __fastcall RtfSwitch(
  288. const UnicodeString & Name, const UnicodeString & Link, bool Rtf = true);
  289. UnicodeString __fastcall RtfSwitchValue(
  290. const UnicodeString & Name, const UnicodeString & Link, const UnicodeString & Value, bool Rtf = true);
  291. UnicodeString __fastcall RtfSwitch(
  292. const UnicodeString & Name, const UnicodeString & Link, const UnicodeString & Value, bool Rtf = true);
  293. UnicodeString __fastcall RtfSwitch(
  294. const UnicodeString & Name, const UnicodeString & Link, int Value, bool Rtf = true);
  295. UnicodeString __fastcall RtfEscapeParam(UnicodeString Param, bool PowerShellEscape);
  296. UnicodeString __fastcall RtfRemoveHyperlinks(UnicodeString Text);
  297. UnicodeString __fastcall ScriptCommandLink(const UnicodeString & Command);
  298. UnicodeString __fastcall AssemblyBoolean(TAssemblyLanguage Language, bool Value);
  299. UnicodeString __fastcall AssemblyString(TAssemblyLanguage Language, UnicodeString S);
  300. UnicodeString __fastcall AssemblyCommentLine(TAssemblyLanguage Language, const UnicodeString & Text);
  301. UnicodeString __fastcall AssemblyPropertyRaw(
  302. TAssemblyLanguage Language, const UnicodeString & ClassName, const UnicodeString & Name,
  303. const UnicodeString & Value, bool Inline);
  304. UnicodeString __fastcall AssemblyProperty(
  305. TAssemblyLanguage Language, const UnicodeString & ClassName, const UnicodeString & Name,
  306. const UnicodeString & Type, const UnicodeString & Member, bool Inline);
  307. UnicodeString __fastcall AssemblyProperty(
  308. TAssemblyLanguage Language, const UnicodeString & ClassName, const UnicodeString & Name,
  309. const UnicodeString & Value, bool Inline);
  310. UnicodeString __fastcall AssemblyProperty(
  311. TAssemblyLanguage Language, const UnicodeString & ClassName, const UnicodeString & Name, int Value, bool Inline);
  312. UnicodeString __fastcall AssemblyProperty(
  313. TAssemblyLanguage Language, const UnicodeString & ClassName, const UnicodeString & Name, bool Value, bool Inline);
  314. UnicodeString __fastcall RtfLibraryMethod(const UnicodeString & ClassName, const UnicodeString & MethodName, bool Inpage);
  315. UnicodeString __fastcall RtfLibraryClass(const UnicodeString & ClassName);
  316. UnicodeString __fastcall AssemblyVariableName(TAssemblyLanguage Language, const UnicodeString & ClassName);
  317. UnicodeString __fastcall AssemblyStatementSeparator(TAssemblyLanguage Language);
  318. UnicodeString __fastcall AssemblyVariableDeclaration(TAssemblyLanguage Language);
  319. UnicodeString __fastcall AssemblyNewClassInstance(
  320. TAssemblyLanguage Language, const UnicodeString & ClassName, bool Inline);
  321. UnicodeString __fastcall AssemblyNewClassInstanceStart(
  322. TAssemblyLanguage Language, const UnicodeString & ClassName, bool Inline);
  323. UnicodeString __fastcall AssemblyNewClassInstanceEnd(TAssemblyLanguage Language, bool Inline);
  324. UnicodeString __fastcall AssemblyAddRawSettings(
  325. TAssemblyLanguage Language, TStrings * RawSettings, const UnicodeString & ClassName,
  326. const UnicodeString & MethodName);
  327. //---------------------------------------------------------------------------
  328. #include "Global.h"
  329. //---------------------------------------------------------------------------
  330. template<class T>
  331. class TValueRestorer
  332. {
  333. public:
  334. __fastcall TValueRestorer(T & Target, const T & Value) :
  335. FTarget(Target),
  336. FValue(Value),
  337. FArmed(true)
  338. {
  339. }
  340. __fastcall TValueRestorer(T & Target) :
  341. FTarget(Target),
  342. FValue(Target),
  343. FArmed(true)
  344. {
  345. }
  346. void Release()
  347. {
  348. if (FArmed)
  349. {
  350. FTarget = FValue;
  351. FArmed = false;
  352. }
  353. }
  354. __fastcall ~TValueRestorer()
  355. {
  356. Release();
  357. }
  358. protected:
  359. T & FTarget;
  360. T FValue;
  361. bool FArmed;
  362. };
  363. //---------------------------------------------------------------------------
  364. class TAutoNestingCounter : public TValueRestorer<int>
  365. {
  366. public:
  367. __fastcall TAutoNestingCounter(int & Target) :
  368. TValueRestorer<int>(Target)
  369. {
  370. DebugAssert(Target >= 0);
  371. ++Target;
  372. }
  373. __fastcall ~TAutoNestingCounter()
  374. {
  375. DebugAssert(!FArmed || (FTarget == (FValue + 1)));
  376. }
  377. };
  378. //---------------------------------------------------------------------------
  379. class TAutoFlag : public TValueRestorer<bool>
  380. {
  381. public:
  382. __fastcall TAutoFlag(bool & Target) :
  383. TValueRestorer<bool>(Target)
  384. {
  385. DebugAssert(!Target);
  386. Target = true;
  387. }
  388. __fastcall ~TAutoFlag()
  389. {
  390. DebugAssert(!FArmed || FTarget);
  391. }
  392. };
  393. //---------------------------------------------------------------------------
  394. #include <map>
  395. //---------------------------------------------------------------------------
  396. template<class T1, class T2>
  397. class BiDiMap
  398. {
  399. public:
  400. typedef std::map<T1, T2> TFirstToSecond;
  401. typedef TFirstToSecond::const_iterator const_iterator;
  402. void Add(const T1 & Value1, const T2 & Value2)
  403. {
  404. FFirstToSecond.insert(std::make_pair(Value1, Value2));
  405. FSecondToFirst.insert(std::make_pair(Value2, Value1));
  406. }
  407. T1 LookupFirst(const T2 & Value2) const
  408. {
  409. TSecondToFirst::const_iterator Iterator = FSecondToFirst.find(Value2);
  410. DebugAssert(Iterator != FSecondToFirst.end());
  411. return Iterator->second;
  412. }
  413. T2 LookupSecond(const T1 & Value1) const
  414. {
  415. const_iterator Iterator = FFirstToSecond.find(Value1);
  416. DebugAssert(Iterator != FFirstToSecond.end());
  417. return Iterator->second;
  418. }
  419. const_iterator begin()
  420. {
  421. return FFirstToSecond.begin();
  422. }
  423. const_iterator end()
  424. {
  425. return FFirstToSecond.end();
  426. }
  427. private:
  428. TFirstToSecond FFirstToSecond;
  429. typedef std::map<T2, T1> TSecondToFirst;
  430. TSecondToFirst FSecondToFirst;
  431. };
  432. //---------------------------------------------------------------------------
  433. template<class T>
  434. class TMulticastEvent
  435. {
  436. public:
  437. TMulticastEvent()
  438. {
  439. // noop
  440. }
  441. TMulticastEvent(const TMulticastEvent & Other) :
  442. FEventHandlers(Other.FEventHandlers)
  443. {
  444. }
  445. explicit TMulticastEvent(T EventHandler)
  446. {
  447. Add(EventHandler);
  448. }
  449. void Add(T EventHandler)
  450. {
  451. DebugAssert(EventHandler != NULL);
  452. DebugAssert(Find(EventHandler) == FEventHandlers.end());
  453. FEventHandlers.push_back(EventHandler);
  454. }
  455. void Remove(T EventHandler)
  456. {
  457. TEventHandlers::iterator I = Find(EventHandler);
  458. if (DebugAlwaysTrue(I != FEventHandlers.end()))
  459. {
  460. FEventHandlers.erase(I);
  461. }
  462. }
  463. #pragma warn -inl
  464. template<typename P>
  465. void Invoke(const P & p)
  466. {
  467. TEventHandlers::iterator I = FEventHandlers.begin();
  468. while (I != FEventHandlers.end())
  469. {
  470. (*I)(p);
  471. ++I;
  472. }
  473. }
  474. #pragma warn .inl
  475. bool Contains(T EventHandler)
  476. {
  477. return (Find(EventHandler) != FEventHandlers.end());
  478. }
  479. bool Any() const
  480. {
  481. return (FEventHandlers.size() > 0);
  482. }
  483. bool operator==(const TMulticastEvent<T> Other) const
  484. {
  485. return (FEventHandlers == Other.FEventHandlers);
  486. }
  487. void operator=(const TMulticastEvent<T> & Other)
  488. {
  489. FEventHandlers = Other.FEventHandlers;
  490. }
  491. private:
  492. typedef std::vector<T> TEventHandlers;
  493. TEventHandlers FEventHandlers;
  494. TEventHandlers::iterator Find(T EventHandler)
  495. {
  496. return std::find(FEventHandlers.begin(), FEventHandlers.end(), EventHandler);
  497. }
  498. };
  499. //---------------------------------------------------------------------------
  500. typedef std::vector<UnicodeString> TUnicodeStringVector;
  501. //---------------------------------------------------------------------------
  502. #endif