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 IsWin11();
  145. bool __fastcall IsWine();
  146. bool __fastcall IsUWP();
  147. UnicodeString GetPackageName();
  148. TLibModule * __fastcall FindModule(void * Instance);
  149. __int64 __fastcall Round(double Number);
  150. bool __fastcall TryRelativeStrToDateTime(UnicodeString S, TDateTime & DateTime, bool Add);
  151. bool TryStrToDateTimeStandard(const UnicodeString & S, TDateTime & Value);
  152. bool __fastcall TryStrToSize(UnicodeString SizeStr, __int64 & Size);
  153. UnicodeString __fastcall SizeToStr(__int64 Size);
  154. LCID __fastcall GetDefaultLCID();
  155. UnicodeString __fastcall DefaultEncodingName();
  156. UnicodeString __fastcall WindowsProductName();
  157. bool _fastcall GetWindowsProductType(DWORD & Type);
  158. int __fastcall GetWindowsBuild();
  159. UnicodeString __fastcall WindowsVersion();
  160. UnicodeString __fastcall WindowsVersionLong();
  161. bool __fastcall IsDirectoryWriteable(const UnicodeString & Path);
  162. UnicodeString __fastcall FormatNumber(__int64 Size);
  163. UnicodeString __fastcall FormatSize(__int64 Size);
  164. UnicodeString __fastcall ExtractFileBaseName(const UnicodeString & Path);
  165. TStringList * __fastcall TextToStringList(const UnicodeString & Text);
  166. UnicodeString __fastcall StringsToText(TStrings * Strings);
  167. TStrings * __fastcall CloneStrings(TStrings * Strings);
  168. UnicodeString __fastcall TrimVersion(UnicodeString Version);
  169. UnicodeString __fastcall FormatVersion(int MajovVersion, int MinorVersion, int Release);
  170. TFormatSettings __fastcall GetEngFormatSettings();
  171. int __fastcall ParseShortEngMonthName(const UnicodeString & MonthStr);
  172. // The defaults are equal to defaults of TStringList class (except for Sorted)
  173. TStringList * __fastcall CreateSortedStringList(bool CaseSensitive = false, System::Types::TDuplicates Duplicates = dupIgnore);
  174. UnicodeString __fastcall FindIdent(const UnicodeString & Ident, TStrings * Idents);
  175. void __fastcall CheckCertificate(const UnicodeString & Path);
  176. typedef struct x509_st X509;
  177. typedef struct evp_pkey_st EVP_PKEY;
  178. void __fastcall ParseCertificate(const UnicodeString & Path,
  179. const UnicodeString & Passphrase, X509 *& Certificate, EVP_PKEY *& PrivateKey,
  180. bool & WrongPassphrase);
  181. bool __fastcall IsHttpUrl(const UnicodeString & S);
  182. bool __fastcall IsHttpOrHttpsUrl(const UnicodeString & S);
  183. UnicodeString __fastcall ChangeUrlProtocol(const UnicodeString & S, const UnicodeString & Protocol);
  184. void __fastcall LoadScriptFromFile(UnicodeString FileName, TStrings * Lines, bool FallbackToAnsi = false);
  185. UnicodeString __fastcall StripEllipsis(const UnicodeString & S);
  186. UnicodeString __fastcall GetFileMimeType(const UnicodeString & FileName);
  187. bool __fastcall IsRealFile(const UnicodeString & FileName);
  188. UnicodeString GetOSInfo();
  189. UnicodeString GetEnvironmentInfo();
  190. void SetStringValueEvenIfEmpty(TStrings * Strings, const UnicodeString & Name, const UnicodeString & Value);
  191. UnicodeString __fastcall GetAncestorProcessName(int Levels = 1);
  192. UnicodeString GetAncestorProcessNames();
  193. //---------------------------------------------------------------------------
  194. struct TSearchRecSmart : public TSearchRec
  195. {
  196. public:
  197. TSearchRecSmart();
  198. void Clear();
  199. TDateTime GetLastWriteTime() const;
  200. bool IsRealFile() const;
  201. bool IsDirectory() const;
  202. bool IsHidden() const;
  203. private:
  204. mutable FILETIME FLastWriteTimeSource;
  205. mutable TDateTime FLastWriteTime;
  206. };
  207. //---------------------------------------------------------------------------
  208. typedef void __fastcall (__closure* TProcessLocalFileEvent)
  209. (const UnicodeString & FileName, const TSearchRecSmart & Rec, void * Param);
  210. bool __fastcall FileSearchRec(const UnicodeString FileName, TSearchRec & Rec);
  211. void CopySearchRec(const TSearchRec & Source, TSearchRec & Dest);
  212. struct TSearchRecChecked : public TSearchRecSmart
  213. {
  214. UnicodeString Path;
  215. bool Opened;
  216. };
  217. struct TSearchRecOwned : public TSearchRecChecked
  218. {
  219. ~TSearchRecOwned();
  220. void Close();
  221. };
  222. int __fastcall FindCheck(int Result, const UnicodeString & Path);
  223. int __fastcall FindFirstUnchecked(const UnicodeString & Path, int Attr, TSearchRecChecked & F);
  224. int __fastcall FindFirstChecked(const UnicodeString & Path, int Attr, TSearchRecChecked & F);
  225. int __fastcall FindNextChecked(TSearchRecChecked & F);
  226. int __fastcall FindNextUnchecked(TSearchRecChecked & F);
  227. void __fastcall ProcessLocalDirectory(UnicodeString DirName,
  228. TProcessLocalFileEvent CallBackFunc, void * Param = NULL, int FindAttrs = -1);
  229. int __fastcall FileGetAttrFix(const UnicodeString FileName);
  230. //---------------------------------------------------------------------------
  231. extern const wchar_t * DSTModeNames;
  232. enum TDSTMode
  233. {
  234. dstmWin = 0, //
  235. dstmUnix = 1, // adjust UTC time to Windows "bug"
  236. dstmKeep = 2
  237. };
  238. bool __fastcall UsesDaylightHack();
  239. TDateTime __fastcall EncodeDateVerbose(Word Year, Word Month, Word Day);
  240. TDateTime __fastcall EncodeTimeVerbose(Word Hour, Word Min, Word Sec, Word MSec);
  241. double __fastcall DSTDifferenceForTime(TDateTime DateTime);
  242. TDateTime __fastcall SystemTimeToDateTimeVerbose(const SYSTEMTIME & SystemTime);
  243. TDateTime __fastcall UnixToDateTime(__int64 TimeStamp, TDSTMode DSTMode);
  244. TDateTime __fastcall ConvertTimestampToUTC(TDateTime DateTime);
  245. TDateTime __fastcall ConvertTimestampFromUTC(TDateTime DateTime);
  246. FILETIME __fastcall DateTimeToFileTime(const TDateTime DateTime, TDSTMode DSTMode);
  247. TDateTime __fastcall AdjustDateTimeFromUnix(TDateTime DateTime, TDSTMode DSTMode);
  248. void __fastcall UnifyDateTimePrecision(TDateTime & DateTime1, TDateTime & DateTime2);
  249. TDateTime __fastcall FileTimeToDateTime(const FILETIME & FileTime);
  250. __int64 __fastcall ConvertTimestampToUnix(const FILETIME & FileTime,
  251. TDSTMode DSTMode);
  252. __int64 __fastcall ConvertTimestampToUnixSafe(const FILETIME & FileTime,
  253. TDSTMode DSTMode);
  254. UnicodeString __fastcall FixedLenDateTimeFormat(const UnicodeString & Format);
  255. UnicodeString __fastcall StandardTimestamp(const TDateTime & DateTime);
  256. UnicodeString __fastcall StandardTimestamp();
  257. UnicodeString __fastcall StandardDatestamp();
  258. UnicodeString __fastcall FormatTimeZone(long Sec);
  259. UnicodeString __fastcall GetTimeZoneLogString();
  260. bool __fastcall AdjustClockForDSTEnabled();
  261. int __fastcall CompareFileTime(TDateTime T1, TDateTime T2);
  262. int __fastcall TimeToMSec(TDateTime T);
  263. int __fastcall TimeToSeconds(TDateTime T);
  264. int __fastcall TimeToMinutes(TDateTime T);
  265. UnicodeString __fastcall FormatDateTimeSpan(const UnicodeString TimeFormat, TDateTime DateTime);
  266. TStrings * TlsCipherList();
  267. //---------------------------------------------------------------------------
  268. template<class MethodT>
  269. MethodT __fastcall MakeMethod(void * Data, void * Code)
  270. {
  271. MethodT Method;
  272. ((TMethod*)&Method)->Data = Data;
  273. ((TMethod*)&Method)->Code = Code;
  274. return Method;
  275. }
  276. //---------------------------------------------------------------------------
  277. enum TAssemblyLanguage { alCSharp, alVBNET, alPowerShell };
  278. extern const UnicodeString RtfPara;
  279. extern const UnicodeString AssemblyNamespace;
  280. extern const UnicodeString SessionClassName;
  281. extern const UnicodeString TransferOptionsClassName;
  282. //---------------------------------------------------------------------
  283. UnicodeString __fastcall RtfText(const UnicodeString & Text, bool Rtf = true);
  284. UnicodeString __fastcall RtfColor(int Index);
  285. UnicodeString __fastcall RtfOverrideColorText(const UnicodeString & Text);
  286. UnicodeString __fastcall RtfColorItalicText(int Color, const UnicodeString & Text);
  287. UnicodeString __fastcall RtfColorText(int Color, const UnicodeString & Text);
  288. UnicodeString __fastcall RtfKeyword(const UnicodeString & Text);
  289. UnicodeString __fastcall RtfParameter(const UnicodeString & Text);
  290. UnicodeString __fastcall RtfString(const UnicodeString & Text);
  291. UnicodeString __fastcall RtfLink(const UnicodeString & Link, const UnicodeString & RtfText);
  292. UnicodeString __fastcall RtfSwitch(
  293. const UnicodeString & Name, const UnicodeString & Link, bool Rtf = true);
  294. UnicodeString __fastcall RtfSwitchValue(
  295. const UnicodeString & Name, const UnicodeString & Link, const UnicodeString & Value, bool Rtf = true);
  296. UnicodeString __fastcall RtfSwitch(
  297. const UnicodeString & Name, const UnicodeString & Link, const UnicodeString & Value, bool Rtf = true);
  298. UnicodeString __fastcall RtfSwitch(
  299. const UnicodeString & Name, const UnicodeString & Link, int Value, bool Rtf = true);
  300. UnicodeString __fastcall RtfEscapeParam(UnicodeString Param, bool PowerShellEscape);
  301. UnicodeString __fastcall RtfRemoveHyperlinks(UnicodeString Text);
  302. UnicodeString __fastcall ScriptCommandLink(const UnicodeString & Command);
  303. UnicodeString __fastcall AssemblyBoolean(TAssemblyLanguage Language, bool Value);
  304. UnicodeString __fastcall AssemblyString(TAssemblyLanguage Language, UnicodeString S);
  305. UnicodeString __fastcall AssemblyCommentLine(TAssemblyLanguage Language, const UnicodeString & Text);
  306. UnicodeString __fastcall AssemblyPropertyRaw(
  307. TAssemblyLanguage Language, const UnicodeString & ClassName, const UnicodeString & Name,
  308. const UnicodeString & Value, bool Inline);
  309. UnicodeString __fastcall AssemblyProperty(
  310. TAssemblyLanguage Language, const UnicodeString & ClassName, const UnicodeString & Name,
  311. const UnicodeString & Type, const UnicodeString & Member, bool Inline);
  312. UnicodeString __fastcall AssemblyProperty(
  313. TAssemblyLanguage Language, const UnicodeString & ClassName, const UnicodeString & Name,
  314. const UnicodeString & Value, bool Inline);
  315. UnicodeString __fastcall AssemblyProperty(
  316. TAssemblyLanguage Language, const UnicodeString & ClassName, const UnicodeString & Name, int Value, bool Inline);
  317. UnicodeString __fastcall AssemblyProperty(
  318. TAssemblyLanguage Language, const UnicodeString & ClassName, const UnicodeString & Name, bool Value, bool Inline);
  319. UnicodeString __fastcall RtfLibraryMethod(const UnicodeString & ClassName, const UnicodeString & MethodName, bool Inpage);
  320. UnicodeString __fastcall RtfLibraryClass(const UnicodeString & ClassName);
  321. UnicodeString __fastcall AssemblyVariableName(TAssemblyLanguage Language, const UnicodeString & ClassName);
  322. UnicodeString __fastcall AssemblyStatementSeparator(TAssemblyLanguage Language);
  323. UnicodeString __fastcall AssemblyVariableDeclaration(TAssemblyLanguage Language);
  324. UnicodeString __fastcall AssemblyNewClassInstance(
  325. TAssemblyLanguage Language, const UnicodeString & ClassName, bool Inline);
  326. UnicodeString __fastcall AssemblyNewClassInstanceStart(
  327. TAssemblyLanguage Language, const UnicodeString & ClassName, bool Inline);
  328. UnicodeString __fastcall AssemblyNewClassInstanceEnd(TAssemblyLanguage Language, bool Inline);
  329. UnicodeString __fastcall AssemblyAddRawSettings(
  330. TAssemblyLanguage Language, TStrings * RawSettings, const UnicodeString & ClassName,
  331. const UnicodeString & MethodName);
  332. //---------------------------------------------------------------------------
  333. #include "Global.h"
  334. //---------------------------------------------------------------------------
  335. template<class T>
  336. class TValueRestorer
  337. {
  338. public:
  339. __fastcall TValueRestorer(T & Target, const T & Value) :
  340. FTarget(Target),
  341. FValue(Value),
  342. FArmed(true)
  343. {
  344. }
  345. __fastcall TValueRestorer(T & Target) :
  346. FTarget(Target),
  347. FValue(Target),
  348. FArmed(true)
  349. {
  350. }
  351. void Release()
  352. {
  353. if (FArmed)
  354. {
  355. FTarget = FValue;
  356. FArmed = false;
  357. }
  358. }
  359. __fastcall ~TValueRestorer()
  360. {
  361. Release();
  362. }
  363. protected:
  364. T & FTarget;
  365. T FValue;
  366. bool FArmed;
  367. };
  368. //---------------------------------------------------------------------------
  369. class TAutoNestingCounter : public TValueRestorer<int>
  370. {
  371. public:
  372. __fastcall TAutoNestingCounter(int & Target) :
  373. TValueRestorer<int>(Target)
  374. {
  375. DebugAssert(Target >= 0);
  376. ++Target;
  377. }
  378. __fastcall ~TAutoNestingCounter()
  379. {
  380. DebugAssert(!FArmed || (FTarget == (FValue + 1)));
  381. }
  382. };
  383. //---------------------------------------------------------------------------
  384. class TAutoFlag : public TValueRestorer<bool>
  385. {
  386. public:
  387. __fastcall TAutoFlag(bool & Target) :
  388. TValueRestorer<bool>(Target)
  389. {
  390. DebugAssert(!Target);
  391. Target = true;
  392. }
  393. __fastcall ~TAutoFlag()
  394. {
  395. DebugAssert(!FArmed || FTarget);
  396. }
  397. };
  398. //---------------------------------------------------------------------------
  399. #include <map>
  400. //---------------------------------------------------------------------------
  401. template<class T1, class T2>
  402. class BiDiMap
  403. {
  404. public:
  405. typedef std::map<T1, T2> TFirstToSecond;
  406. typedef TFirstToSecond::const_iterator const_iterator;
  407. void Add(const T1 & Value1, const T2 & Value2)
  408. {
  409. FFirstToSecond.insert(std::make_pair(Value1, Value2));
  410. FSecondToFirst.insert(std::make_pair(Value2, Value1));
  411. }
  412. T1 LookupFirst(const T2 & Value2) const
  413. {
  414. TSecondToFirst::const_iterator Iterator = FSecondToFirst.find(Value2);
  415. DebugAssert(Iterator != FSecondToFirst.end());
  416. return Iterator->second;
  417. }
  418. T2 LookupSecond(const T1 & Value1) const
  419. {
  420. const_iterator Iterator = FFirstToSecond.find(Value1);
  421. DebugAssert(Iterator != FFirstToSecond.end());
  422. return Iterator->second;
  423. }
  424. const_iterator begin()
  425. {
  426. return FFirstToSecond.begin();
  427. }
  428. const_iterator end()
  429. {
  430. return FFirstToSecond.end();
  431. }
  432. private:
  433. TFirstToSecond FFirstToSecond;
  434. typedef std::map<T2, T1> TSecondToFirst;
  435. TSecondToFirst FSecondToFirst;
  436. };
  437. //---------------------------------------------------------------------------
  438. template<class T>
  439. class TMulticastEvent
  440. {
  441. public:
  442. TMulticastEvent()
  443. {
  444. // noop
  445. }
  446. TMulticastEvent(const TMulticastEvent & Other) :
  447. FEventHandlers(Other.FEventHandlers)
  448. {
  449. }
  450. explicit TMulticastEvent(T EventHandler)
  451. {
  452. Add(EventHandler);
  453. }
  454. void Add(T EventHandler)
  455. {
  456. DebugAssert(EventHandler != NULL);
  457. DebugAssert(Find(EventHandler) == FEventHandlers.end());
  458. FEventHandlers.push_back(EventHandler);
  459. }
  460. void Remove(T EventHandler)
  461. {
  462. TEventHandlers::iterator I = Find(EventHandler);
  463. if (DebugAlwaysTrue(I != FEventHandlers.end()))
  464. {
  465. FEventHandlers.erase(I);
  466. }
  467. }
  468. #pragma warn -inl
  469. template<typename P>
  470. void Invoke(const P & p)
  471. {
  472. TEventHandlers::iterator I = FEventHandlers.begin();
  473. while (I != FEventHandlers.end())
  474. {
  475. (*I)(p);
  476. ++I;
  477. }
  478. }
  479. #pragma warn .inl
  480. bool Contains(T EventHandler)
  481. {
  482. return (Find(EventHandler) != FEventHandlers.end());
  483. }
  484. bool Any() const
  485. {
  486. return (FEventHandlers.size() > 0);
  487. }
  488. bool operator==(const TMulticastEvent<T> Other) const
  489. {
  490. return (FEventHandlers == Other.FEventHandlers);
  491. }
  492. void operator=(const TMulticastEvent<T> & Other)
  493. {
  494. FEventHandlers = Other.FEventHandlers;
  495. }
  496. private:
  497. typedef std::vector<T> TEventHandlers;
  498. TEventHandlers FEventHandlers;
  499. TEventHandlers::iterator Find(T EventHandler)
  500. {
  501. return std::find(FEventHandlers.begin(), FEventHandlers.end(), EventHandler);
  502. }
  503. };
  504. //---------------------------------------------------------------------------
  505. typedef std::vector<UnicodeString> TUnicodeStringVector;
  506. //---------------------------------------------------------------------------
  507. #endif