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apphelpers.pas
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apphelpers.pas
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unit apphelpers;
// -------------------------------------
// Functions-library
// -------------------------------------
interface
uses
System.Classes, System.SysUtils, Vcl.Graphics, Vcl.GraphUtil, Vcl.ClipBrd, Vcl.Dialogs, Vcl.Forms, Vcl.Controls, Winapi.ShellApi,
Winapi.Windows, Winapi.ShlObj, Winapi.ActiveX, VirtualTrees, VirtualTrees.Types, SynRegExpr, Winapi.Messages, System.Math,
System.Win.Registry, System.DateUtils, System.Generics.Collections, System.Contnrs, System.StrUtils, System.AnsiStrings, Winapi.TlHelp32, System.Types,
dbconnection, dbstructures, dbstructures.mysql, SynMemo, Vcl.Menus, Winapi.WinInet, gnugettext, Vcl.Themes,
System.Character, Vcl.ImgList, System.UITypes, Vcl.ActnList, Winapi.WinSock, System.IOUtils, Vcl.StdCtrls, Vcl.ComCtrls,
Winapi.CommCtrl, Winapi.KnownFolders, SynUnicode, SynEdit;
type
TSortItemOrder = (sioAscending, sioDescending);
TSortItem = class(TPersistent)
public
Column: String;
Order: TSortItemOrder;
procedure Assign(Source: TPersistent); override;
end;
TSortItems = class(TObjectList<TSortItem>)
public
function AddNew(Column: String=''; Order: TSortItemOrder=sioAscending): TSortItem;
function ComposeOrderClause(Connection: TDBConnection): String;
function FindByColumn(Column: String): TSortItem;
procedure Assign(Source: TSortItems);
end;
TLineBreaks = (lbsNone, lbsWindows, lbsUnix, lbsMac, lbsWide, lbsMixed);
TUTF8NoBOMEncoding = class(TUTF8Encoding)
public
function GetPreamble: TBytes; override;
end;
TDBObjectEditor = class(TFrame)
private
FModified: Boolean;
procedure SetModified(Value: Boolean);
protected
FMainSynMemo: TSynMemo; // Main editor in case of routine, view, trigger or event
FMainSynMemoPreviousTopLine: Integer;
function ObjectExists: Boolean;
public
DBObject: TDBObject;
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure Init(Obj: TDBObject); virtual;
function DeInit: TModalResult; virtual;
property Modified: Boolean read FModified write SetModified;
function ApplyModifications: TModalResult; virtual; abstract;
end;
TDBObjectEditorClass = class of TDBObjectEditor;
TSQLBatch = class;
TSQLSentence = class(TObject)
private
FOwner: TSQLBatch;
function GetSize: Integer;
function GetSQL: String;
function GetSQLWithoutComments: String;
public
LeftOffset, RightOffset: Integer;
constructor Create(Owner: TSQLBatch);
property SQL: String read GetSQL;
property SQLWithoutComments: String read GetSQLWithoutComments;
property Size: Integer read GetSize;
end;
TSQLBatch = class(TObjectList<TSQLSentence>)
private
FSQL: String;
procedure SetSQL(Value: String);
function GetSize: Integer;
function GetSQLWithoutComments: String; overload;
public
class function GetSQLWithoutComments(FullSQL: String): String; overload;
property Size: Integer read GetSize;
property SQL: String read FSQL write SetSQL;
property SQLWithoutComments: String read GetSQLWithoutComments;
end;
// Download
THttpDownload = class(TObject)
private
FOwner: TComponent;
FURL: String;
FLastContent: String;
FBytesRead: Integer;
FContentLength: Integer;
FTimeOut: Cardinal;
FOnProgress: TNotifyEvent;
public
constructor Create(Owner: TComponent);
procedure SendRequest(Filename: String);
property OnProgress: TNotifyEvent read FOnProgress write FOnProgress;
property URL: String read FURL write FURL;
property TimeOut: Cardinal read FTimeOut write FTimeOut;
property BytesRead: Integer read FBytesRead;
property ContentLength: Integer read FContentLength;
property LastContent: String read FLastContent;
end;
// Extended string list with support for empty values
TExtStringList = class(TStringList)
private
function GetValue(const Name: string): string;
procedure SetValue(const Name, Value: string); reintroduce;
public
property Values[const Name: string]: string read GetValue write SetValue;
end;
// Threading stuff
TQueryThread = class(TThread)
private
FConnection: TDBConnection;
FBatch: TSQLBatch;
FTabNumber: Integer;
FBatchInOneGo: Boolean;
FStopOnErrors: Boolean;
FAborted: Boolean;
FErrorMessage: String;
FBatchPosition: Integer;
FQueriesInPacket: Integer;
FQueryStartedAt: TDateTime;
FQueryTime: Cardinal;
FQueryNetTime: Cardinal;
FRowsAffected: Int64;
FRowsFound: Int64;
FWarningCount: Int64;
public
property Connection: TDBConnection read FConnection;
property Batch: TSQLBatch read FBatch;
property TabNumber: Integer read FTabNumber;
property BatchPosition: Integer read FBatchPosition;
property QueriesInPacket: Integer read FQueriesInPacket;
property QueryStartedAt: TDateTime read FQueryStartedAt;
property QueryTime: Cardinal read FQueryTime;
property QueryNetTime: Cardinal read FQueryNetTime;
property RowsAffected: Int64 read FRowsAffected;
property RowsFound: Int64 read FRowsFound;
property WarningCount: Int64 read FWarningCount;
property Aborted: Boolean read FAborted write FAborted;
property ErrorMessage: String read FErrorMessage;
constructor Create(Connection: TDBConnection; Batch: TSQLBatch; TabNumber: Integer);
procedure Execute; override;
procedure LogFromThread(Msg: String; Category: TDBLogCategory);
end;
TSqlTranspiler = class(TObject)
class function CreateTable(SQL: String; SourceDb, TargetDb: TDBConnection): String;
end;
TClipboardHelper = class helper for TClipboard
private
function GetTryAsText: String;
procedure SetTryAsText(AValue: String);
public
property TryAsText: String read GetTryAsText write SetTryAsText;
end;
TWinControlHelper = class helper for TWinControl
public
procedure TrySetFocus;
end;
TAppSettingDataType = (adInt, adBool, adString);
TAppSettingIndex = (asHiddenColumns, asFilter, asSort, asDisplayedColumnsSorted, asLastSessions,
asLastActiveSession, asAutoReconnect, asRestoreLastUsedDB, asLastUsedDB, asTreeBackground, asIgnoreDatabasePattern, asLogFileDdl, asLogFileDml, asLogFilePath,
asFontName, asFontSize, asTabWidth, asDataFontName, asDataFontSize, asDataLocalNumberFormat, asLowercaseHex, asHintsOnResultTabs, asHightlightSameTextBackground,
asShowRowId,
asLogsqlnum, asLogsqlwidth, asSessionLogsDirectory, asLogHorizontalScrollbar, asSQLColActiveLine,
asSQLColMatchingBraceForeground, asSQLColMatchingBraceBackground,
asMaxColWidth, asDatagridMaximumRows, asDatagridRowsPerStep, asGridRowLineCount, asColumnHeaderClick, asReuseEditorConfiguration,
asLogToFile, asMainWinMaximized, asMainWinLeft, asMainWinTop, asMainWinWidth,
asMainWinHeight, asMainWinOnMonitor, asCoolBandIndex, asCoolBandBreak, asCoolBandWidth, asToolbarShowCaptions, asQuerymemoheight, asDbtreewidth,
asDataPreviewHeight, asDataPreviewEnabled, asLogHeight, asQueryhelperswidth, asStopOnErrorsInBatchMode,
asWrapLongLines, asCodeFolding, asDisplayBLOBsAsText, asSingleQueries, asMemoEditorWidth, asMemoEditorHeight, asMemoEditorMaximized,
asMemoEditorWrap, asMemoEditorHighlighter, asMemoEditorAlwaysFormatCode, asDelimiter, asSQLHelpWindowLeft, asSQLHelpWindowTop, asSQLHelpWindowWidth,
asSQLHelpWindowHeight, asSQLHelpPnlLeftWidth, asSQLHelpPnlRightTopHeight, asHost,
asUser, asPassword, asCleartextPluginEnabled, asWindowsAuth, asLoginPrompt, asPort, asLibrary, asAllProviders,
asSSHtunnelActive, asPlinkExecutable, asSshExecutable, asSSHtunnelHost, asSSHtunnelHostPort, asSSHtunnelPort, asSSHtunnelUser,
asSSHtunnelPassword, asSSHtunnelTimeout, asSSHtunnelPrivateKey, asSSLActive, asSSLKey,
asSSLCert, asSSLCA, asSSLCipher, asSSLWarnUnused, asNetType, asCompressed, asLocalTimeZone, asQueryTimeout, asKeepAlive,
asStartupScriptFilename, asDatabases, asComment, asDatabaseFilter, asTableFilter, asFilterVT, asExportSQLCreateDatabases,
asExportSQLCreateTables, asExportSQLDataHow, asExportSQLDataInsertSize, asExportSQLFilenames, asExportZIPFilenames, asExportSQLDirectories,
asExportSQLDatabase, asExportSQLServerDatabase, asExportSQLOutput, asExportSQLAddComments, asExportSQLRemoveAutoIncrement, asExportSQLRemoveDefiner,
asGridExportWindowWidth, asGridExportWindowHeight, asGridExportOutputCopy, asGridExportOutputFile,
asGridExportFilename, asGridExportRecentFiles, asGridExportEncoding, asGridExportFormat, asGridExportSelection,
asGridExportColumnNames, asGridExportIncludeAutoInc, asGridExportIncludeQuery, asGridExportRemoveLinebreaks,
asGridExportSeparator, asGridExportEncloser, asGridExportTerminator, asGridExportNull,
asGridExportClpColumnNames, asGridExportClpIncludeAutoInc, asGridExportClpRemoveLinebreaks,
asGridExportClpSeparator, asGridExportClpEncloser, asGridExportClpTerminator, asGridExportClpNull,
asCSVImportSeparator, asCSVImportEncloser, asCSVImportTerminator, asCSVImportFieldEscaper, asCSVImportWindowWidth, asCSVImportWindowHeight,
asCSVImportFilename, asCSVImportFieldsEnclosedOptionally, asCSVImportIgnoreLines, asCSVImportLowPriority, asCSVImportLocalNumbers,
asCSVImportDuplicateHandling, asCSVImportParseMethod,
asUpdatecheck, asUpdatecheckBuilds, asUpdatecheckInterval, asUpdatecheckLastrun, asUpdateCheckWindowWidth, asUpdateCheckWindowHeight,
asTableToolsWindowWidth, asTableToolsWindowHeight, asTableToolsTreeWidth,
asTableToolsFindTextTab, asTableToolsFindText, asTableToolsFindSQL, asTableToolsDatatype, asTableToolsFindCaseSensitive, asTableToolsFindMatchType, asFileImportWindowWidth, asFileImportWindowHeight,
asEditVarWindowWidth, asEditVarWindowHeight, asUsermanagerWindowWidth, asUsermanagerWindowHeight, asUsermanagerListWidth,
asSelectDBOWindowWidth, asSelectDBOWindowHeight,
asSessionManagerListWidth, asSessionManagerWindowWidth, asSessionManagerWindowHeight, asSessionManagerWindowLeft, asSessionManagerWindowTop,
asCopyTableWindowHeight, asCopyTableWindowWidth, asCopyTableColumns, asCopyTableKeys, asCopyTableForeignKeys,
asCopyTableData, asCopyTableRecentFilter, asServerVersion, asServerVersionFull, asLastConnect,
asConnectCount, asRefusedCount, asSessionCreated, asDoUsageStatistics,
asLastUsageStatisticCall, asWheelZoom, asDisplayBars, asMySQLBinaries, asCustomSnippetsDirectory,
asPromptSaveFileOnTabClose, asRestoreTabs, asTabCloseOnDoubleClick, asTabCloseOnMiddleClick, asTabsInMultipleLines, asTabIconsGrayscaleMode,
asWarnUnsafeUpdates, asQueryWarningsMessage, asQueryGridLongSortRowNum,
asCompletionProposal, asCompletionProposalInterval, asCompletionProposalSearchOnMid, asCompletionProposalWidth, asCompletionProposalNbLinesInWindow, asAutoUppercase,
asTabsToSpaces, asFilterPanel, asAllowMultipleInstances, asFindDialogSearchHistory, asGUIFontName, asGUIFontSize,
asTheme, asIconPack, asWebSearchBaseUrl,
asFindDialogReplaceHistory, asMaxQueryResults, asLogErrors,
asLogUserSQL, asLogSQL, asLogInfos, asLogDebug, asLogScript, asLogTimestamp, asFieldColorNumeric,
asFieldColorReal, asFieldColorText, asFieldColorBinary, asFieldColorDatetime, asFieldColorSpatial,
asFieldColorOther, asFieldEditorBinary, asFieldEditorDatetime, asFieldEditorDatetimePrefill, asFieldEditorEnum,
asFieldEditorSet, asFieldNullBackground, asRowBackgroundEven, asRowBackgroundOdd, asGroupTreeObjects, asDisplayObjectSizeColumn, asSQLfile,
asActionShortcut1, asActionShortcut2, asHighlighterForeground, asHighlighterBackground, asHighlighterStyle,
asListColWidths, asListColsVisible, asListColPositions, asListColSort, asSessionFolder,
asRecentFilter, asTimestampColumns, asDateTimeEditorCursorPos, asAppLanguage, asAutoExpand, asDoubleClickInsertsNodeText, asForeignDropDown,
asIncrementalSearch, asQueryHistoryEnabled, asQueryHistoryKeepDays,
asColumnSelectorWidth, asColumnSelectorHeight, asDonatedEmail, asFavoriteObjects, asFavoriteObjectsOnly, asFullTableStatus, asLineBreakStyle,
asPreferencesWindowWidth, asPreferencesWindowHeight,
asFileDialogEncoding,
asThemePreviewWidth, asThemePreviewHeight, asThemePreviewTop, asThemePreviewLeft,
asCreateDbCollation, asRealTrailingZeros,
asSequalSuggestWindowWidth, asSequalSuggestWindowHeight, asSequalSuggestPrompt, asSequalSuggestRecentPrompts,
asReformatter, asAlwaysGenerateFilter,
asUnused);
TAppSetting = record
Name: String;
Session: Boolean;
DefaultInt, CurrentInt: Integer;
DefaultBool, CurrentBool: Boolean;
DefaultString, CurrentString: String;
Synced: Boolean;
end;
TAppSettings = class(TObject)
private
FReads, FWrites: Integer;
FBasePath: String;
FSessionPath: String;
FStoredPath: String;
FRegistry: TRegistry;
FPortableMode: Boolean;
FPortableModeReadOnly: Boolean;
FRestoreTabsInitValue: Boolean;
FSettingsFile: String;
FSettings: Array[TAppSettingIndex] of TAppSetting;
const FPortableLockFileBase: String='portable.lock';
procedure InitSetting(Index: TAppSettingIndex; Name: String;
DefaultInt: Integer=0; DefaultBool: Boolean=False; DefaultString: String='';
Session: Boolean=False);
procedure SetSessionPath(Value: String);
procedure PrepareRegistry;
procedure Read(Index: TAppSettingIndex; FormatName: String;
DataType: TAppSettingDataType; var I: Integer; var B: Boolean; var S: String;
DI: Integer; DB: Boolean; DS: String);
procedure Write(Index: TAppSettingIndex; FormatName: String;
DataType: TAppSettingDataType; I: Integer; B: Boolean; S: String);
public
constructor Create;
destructor Destroy; override;
function ReadInt(Index: TAppSettingIndex; FormatName: String=''; Default: Integer=0): Integer;
function ReadIntDpiAware(Index: TAppSettingIndex; AControl: TControl; FormatName: String=''; Default: Integer=0): Integer;
function ReadBool(Index: TAppSettingIndex; FormatName: String=''; Default: Boolean=False): Boolean;
function ReadString(Index: TAppSettingIndex; FormatName: String=''; Default: String=''): String; overload;
function ReadString(ValueName: String): String; overload;
procedure WriteInt(Index: TAppSettingIndex; Value: Integer; FormatName: String='');
procedure WriteIntDpiAware(Index: TAppSettingIndex; AControl: TControl; Value: Integer; FormatName: String='');
procedure WriteBool(Index: TAppSettingIndex; Value: Boolean; FormatName: String='');
procedure WriteString(Index: TAppSettingIndex; Value: String; FormatName: String=''); overload;
procedure WriteString(ValueName, Value: String); overload;
function GetDefaultInt(Index: TAppSettingIndex): Integer;
function GetDefaultBool(Index: TAppSettingIndex): Boolean;
function GetDefaultString(Index: TAppSettingIndex): String;
function GetValueName(Index: TAppSettingIndex): String;
function GetValueNames: TStringList;
function GetKeyNames: TStringList;
function GetSessionNames(ParentPath: String; var Folders: TStringList): TStringList;
procedure GetSessionPaths(ParentPath: String; var Sessions: TStringList);
function DeleteValue(Index: TAppSettingIndex; FormatName: String=''): Boolean; overload;
function DeleteValue(ValueName: String): Boolean; overload;
procedure DeleteCurrentKey;
procedure MoveCurrentKey(TargetPath: String);
function ValueExists(Index: TAppSettingIndex): Boolean;
function SessionPathExists(SessionPath: String): Boolean;
function IsEmptyKey: Boolean;
procedure ResetPath;
procedure StorePath;
procedure RestorePath;
property SessionPath: String read FSessionPath write SetSessionPath;
property PortableMode: Boolean read FPortableMode;
property PortableModeReadOnly: Boolean read FPortableModeReadOnly write FPortableModeReadOnly;
property Writes: Integer read FWrites;
procedure ImportSettings(Filename: String);
function ExportSettings(Filename: String): Boolean; overload;
function ExportSettings: Boolean; overload;
// Common directories
function DirnameUserAppData: String;
function DirnameUserDocuments: String;
function DirnameSnippets: String;
function DirnameBackups: String;
function DirnameHighlighters: String;
// "Static" options, initialized in OnCreate only. For settings which need a restart to take effect.
property RestoreTabsInitValue: Boolean read FRestoreTabsInitValue;
end;
{$I const.inc}
function Implode(Separator: String; a: TStrings): String;
function Explode(Separator, Text: String) :TStringList;
procedure ExplodeQuotedList(Text: String; var List: TStringList);
function StrEllipsis(const S: String; MaxLen: Integer; FromLeft: Boolean=True): String;
function encrypt(str: String): String;
function decrypt(str: String): String;
function HTMLSpecialChars(str: String): String;
function EncodeURLParam(const Value: String): String;
procedure StreamWrite(S: TStream; Text: String = '');
function _GetFileSize(Filename: String): Int64;
function DeleteFileWithUndo(sFileName: String): Boolean;
function MakeInt(Str: String) : Int64;
function MakeFloat(Str: String): Extended;
function RoundCommercial(e: Extended): Int64;
function CleanupNumber(Str: String): String;
function IsInt(Str: String): Boolean;
function IsFloat(Str: String): Boolean;
function ScanLineBreaks(Text: String): TLineBreaks;
function fixNewlines(txt: String): String;
procedure StripNewLines(var txt: String; Replacement: String=' ');
function GetLineBreak(LineBreakIndex: TLineBreaks): String;
procedure RemoveNullChars(var Text: String; var HasNulls: Boolean);
function GetShellFolder(FolderId: TGUID): String;
function ValidFilename(Str: String): String;
function FormatNumber( str: String; Thousands: Boolean=True): String; Overload;
function UnformatNumber(Val: String): String;
function FormatNumber( int: Int64; Thousands: Boolean=True): String; Overload;
function FormatNumber( flt: Double; decimals: Integer = 0; Thousands: Boolean=True): String; Overload;
procedure ShellExec(cmd: String; path: String=''; params: String=''; RunHidden: Boolean=False);
function getFirstWord(text: String; MustStartWithWordChar: Boolean=True): String;
function RegExprGetMatch(Expression: String; var Input: String; ReturnMatchNum: Integer; DeleteFromSource, CaseInsensitive: Boolean): String; Overload;
function RegExprGetMatch(Expression: String; Input: String; ReturnMatchNum: Integer): String; Overload;
function ExecRegExprI(const ARegExpr, AInputStr: RegExprString): Boolean;
function FormatByteNumber( Bytes: Int64; Decimals: Byte = 1 ): String; Overload;
function FormatByteNumber( Bytes: String; Decimals: Byte = 1 ): String; Overload;
function FormatTimeNumber(Seconds: Double; DisplaySeconds: Boolean; MilliSecondsPrecision: Integer=1): String;
function GetTempDir: String;
procedure SaveUnicodeFile(Filename: String; Text: String);
procedure OpenTextFile(const Filename: String; out Stream: TFileStream; var Encoding: TEncoding);
function DetectEncoding(Stream: TStream): TEncoding;
function ReadTextfileChunk(Stream: TFileStream; Encoding: TEncoding; ChunkSize: Int64 = 0): String;
function ReadTextfile(Filename: String; Encoding: TEncoding): String;
function ReadBinaryFile(Filename: String; MaxBytes: Int64): AnsiString;
procedure StreamToClipboard(Text, HTML: TStream);
function WideHexToBin(text: String): AnsiString;
function BinToWideHex(bin: AnsiString): String;
procedure FixVT(VT: TVirtualStringTree; MultiLineCount: Word=1);
function GetTextHeight(Font: TFont): Integer;
function ColorAdjustBrightness(Col: TColor; Shift: SmallInt): TColor;
procedure DeInitializeVTNodes(Sender: TBaseVirtualTree);
function FindNode(VT: TVirtualStringTree; idx: Int64; ParentNode: PVirtualNode): PVirtualNode;
function SelectNode(VT: TVirtualStringTree; idx: Int64; ParentNode: PVirtualNode=nil): Boolean; overload;
function SelectNode(VT: TVirtualStringTree; Node: PVirtualNode; ClearSelection: Boolean=True): Boolean; overload;
procedure GetVTSelection(VT: TVirtualStringTree; var SelectedCaptions: TStringList; var FocusedCaption: String);
procedure SetVTSelection(VT: TVirtualStringTree; SelectedCaptions: TStringList; FocusedCaption: String);
function GetNextNode(Tree: TVirtualStringTree; CurrentNode: PVirtualNode; Selected: Boolean=False): PVirtualNode;
function GetPreviousNode(Tree: TVirtualStringTree; CurrentNode: PVirtualNode; Selected: Boolean=False): PVirtualNode;
function DateBackFriendlyCaption(d: TDateTime): String;
function DateTimeToStrDef(DateTime: TDateTime; Default: String): String;
function TruncDef(X: Real; Default: Int64): Int64;
function GetLightness(AColor: TColor): Byte;
function ParamBlobToStr(lpData: Pointer): String;
function ParamStrToBlob(out cbData: DWORD): Pointer;
function CheckForSecondInstance: Boolean;
function GetParentFormOrFrame(Comp: TWinControl): TWinControl;
function KeyPressed(Code: Integer): Boolean;
function GeneratePassword(Len: Integer): String;
procedure InvalidateVT(VT: TVirtualStringTree; RefreshTag: Integer; ImmediateRepaint: Boolean);
function CharAtPos(Str: String; Pos: Integer): Char;
function CompareAnyNode(Text1, Text2: String): Integer;
function StringListCompareAnythingAsc(List: TStringList; Index1, Index2: Integer): Integer;
function StringListCompareAnythingDesc(List: TStringList; Index1, Index2: Integer): Integer;
function StringListCompareByValue(List: TStringList; Index1, Index2: Integer): Integer;
function StringListCompareByLength(List: TStringList; Index1, Index2: Integer): Integer;
function GetImageLinkTimeStamp(const FileName: string): TDateTime;
function IsEmpty(Str: String): Boolean;
function IsNotEmpty(Str: String): Boolean;
function MessageDialog(const Msg: string; DlgType: TMsgDlgType; Buttons: TMsgDlgButtons): Integer; overload;
function MessageDialog(const Title, Msg: string; DlgType: TMsgDlgType; Buttons: TMsgDlgButtons; KeepAskingSetting: TAppSettingIndex=asUnused; FooterText: String=''): Integer; overload;
function ErrorDialog(Msg: string): Integer; overload;
function ErrorDialog(const Title, Msg: string): Integer; overload;
function GetLocaleString(const ResourceId: Integer): WideString;
function GetHTMLCharsetByEncoding(Encoding: TEncoding): String;
procedure ParseCommandLine(CommandLine: String; var ConnectionParams: TConnectionParameters; var FileNames: TStringList; var RunFrom: String);
function f_(const Pattern: string; const Args: array of const): string;
function GetOutputFilename(FilenameWithPlaceholders: String; DBObj: TDBObject): String;
function GetOutputFilenamePlaceholders: TStringList;
function GetSystemImageList: TImageList;
function GetSystemImageIndex(Filename: String): Integer;
function GetExecutableBits: Byte;
procedure Help(Sender: TObject; Anchor: String);
function PortOpen(Port: Word): Boolean;
function IsValidFilePath(FilePath: String): Boolean;
function FileIsWritable(FilePath: String): Boolean;
function GetProductInfo(dwOSMajorVersion, dwOSMinorVersion, dwSpMajorVersion, dwSpMinorVersion: DWORD; out pdwReturnedProductType: DWORD): BOOL stdcall; external kernel32 delayed;
function GetCurrentPackageFullName(out Len: Cardinal; Name: PWideChar): Integer; stdcall; external kernel32 delayed;
function GetThemeColor(Color: TColor): TColor;
function ThemeIsDark(ThemeName: String): Boolean;
function ProcessExists(pid: Cardinal; ExeNamePattern: String): Boolean;
procedure ToggleCheckBoxWithoutClick(chk: TCheckBox; State: Boolean);
function SynCompletionProposalPrettyText(ImageIndex: Integer; LeftText, CenterText, RightText: String; LeftColor: TColor=-1; CenterColor: TColor=-1; RightColor: TColor=-1): String;
function PopupComponent(Sender: TObject): TComponent;
function IsWine: Boolean;
function DirSep: Char;
procedure FindComponentInstances(BaseForm: TComponent; ClassType: TClass; var List: TObjectList);
function WebColorStrToColorDef(WebColor: string; Default: TColor): TColor;
function UserAgent(OwnerComponent: TComponent): String;
var
AppSettings: TAppSettings;
MutexHandle: THandle = 0;
SystemImageList: TImageList = nil;
mtCriticalConfirmation: TMsgDlgType = mtCustom;
ConfirmIcon: TIcon;
NumberChars: TSysCharSet;
LibHandleUser32: THandle;
UTF8NoBOMEncoding: TUTF8NoBOMEncoding;
DateTimeNever: TDateTime;
IsWineStored: Integer = -1;
implementation
uses main, extra_controls;
function WideHexToBin(text: String): AnsiString;
var
buf: AnsiString;
begin
buf := AnsiString(text);
SetLength(Result, Length(text) div 2);
HexToBin(PAnsiChar(buf), @Result[1], Length(Result));
end;
function BinToWideHex(bin: AnsiString): String;
var
buf: AnsiString;
begin
SetLength(buf, Length(bin) * 2);
BinToHex(@bin[1], PAnsiChar(buf), Length(bin));
Result := String(buf);
end;
{***
Convert a TStringList to a string using a separator-string
@todo Look at each caller to see if escaping is necessary.
@param string Separator
@param a TStringList Containing strings
@return string
}
function Implode(Separator: String; a: TStrings): String;
var
i : Integer;
begin
Result := '';
for i:=0 to a.Count-1 do
begin
Result := Result + a[i];
if i < a.Count-1 then
Result := Result + Separator;
end;
end;
function Explode(Separator, Text: String): TStringList;
var
i: Integer;
Item: String;
begin
// Explode a string by separator into a TStringList
Result := TStringList.Create;
while true do begin
i := Pos(Separator, Text);
if i = 0 then begin
// Last or only segment: Add to list if it's the last. Add also if it's not empty and list is empty.
// Do not add if list is empty and text is also empty.
if (Result.Count > 0) or (Text <> '') then
Result.Add(Text);
break;
end;
Item := Copy(Text, 1, i-1);
Result.Add(Item);
Delete(Text, 1, i-1+Length(Separator));
end;
end;
{***
Shorten string to length len and append 3 dots
@param string String to shorten
@param integer Wished Length of string
@return string
}
function StrEllipsis(const S: String; MaxLen: Integer; FromLeft: Boolean=True): String;
begin
Result := S;
if Length(Result) <= MaxLen then
Exit;
if FromLeft then begin
SetLength(Result, MaxLen);
Result[MaxLen] := '
';
end else begin
Result := Copy(Result, Length(Result)-MaxLen, Length(Result));
Result := '
' + Result;
end;
end;
{***
Password-encryption, used to store session-passwords in registry
@param string Text to encrypt
@return string Encrypted Text
}
function encrypt(str: String) : String;
var
i, salt, nr : integer;
h : String;
begin
randomize();
result := '';
salt := random(9) + 1;
for i:=1 to length(str) do begin
nr := ord(str[i])+salt;
if nr > 255 then
nr := nr - 255;
h := inttohex(nr,0);
if length(h) = 1 then
h := '0' + h;
result := result + h;
end;
result := result + inttostr(salt);
end;
{***
Password-decryption, used to restore session-passwords from registry
@param string Text to decrypt
@return string Decrypted Text
}
function decrypt(str: String) : String;
var
j, salt, nr : integer;
begin
result := '';
if str = '' then exit;
j := 1;
salt := StrToIntDef(str[length(str)],0);
result := '';
while j < length(str)-1 do begin
nr := StrToInt('$' + str[j] + str[j+1]) - salt;
if nr < 0 then
nr := nr + 255;
result := result + chr(nr);
inc(j, 2);
end;
end;
function HTMLSpecialChars(str: String) : String;
begin
// Convert critical HTML-characters to entities. Used in grid export.
result := StringReplace(str, '&', '&', [rfReplaceAll]);
result := StringReplace(result, '<', '<', [rfReplaceAll]);
result := StringReplace(result, '>', '>', [rfReplaceAll]);
end;
function EncodeURLParam(const Value: String): String;
var
c: Char;
const
UnsafeChars: String = '*<>#%"{}|\^[]`?&+;';
begin
// Encode critical chars in url parameter
Result := '';
for c in Value do begin
if (Pos(c, UnsafeChars)>0) or (Ord(c) < 33) or (Ord(c) > 128) then
Result := Result + '%'+IntToHex(Ord(c), 2)
else
Result := Result + c;
end;
end;
{**
Write some UTF8 text to a file- or memorystream
}
procedure StreamWrite(S: TStream; Text: String = '');
var
utf8: AnsiString;
begin
utf8 := Utf8Encode(Text);
S.Write(utf8[1], Length(utf8));
end;
{***
Return filesize of a given file
Partly taken from https://www.delphipraxis.net/194137-getfilesize-welches-ist-die-bessere-funktion-2.html
@param string Filename
@return int64 Size in bytes
}
function _GetFileSize(Filename: String): Int64;
var
Attr: TWin32FileAttributeData;
begin
FillChar(Attr, SizeOf(Attr), 0);
if GetFileAttributesEx(PChar(Filename), GetFileExInfoStandard, @Attr) then
begin
Result := Int64(Attr.nFileSizeHigh) shl 32 + Int64(Attr.nFileSizeLow);
end
else
Result := -1;
end;
function DeleteFileWithUndo(sFileName: string): Boolean;
var
fos: TSHFileOpStruct;
begin
FillChar(fos, SizeOf(fos), 0);
fos.wFunc := FO_DELETE;
fos.pFrom := PChar(sFileName + #0);
fos.fFlags := FOF_ALLOWUNDO or FOF_NOCONFIRMATION or FOF_SILENT;
Result := (0 = ShFileOperation(fos));
end;
{***
Convert a string-number to an integer-number
@param string String-number
@return int64
}
function MakeInt(Str: String): Int64;
begin
// Result has to be of integer type
try
Result := Trunc(MakeFloat(Str));
except
Result := 0;
end;
end;
function CleanupNumber(Str: String): String;
var
i: Integer;
HasDecimalSep: Boolean;
begin
// Ensure the passed string contains a valid number, which is convertable by StrToFloat afterwards
// Return it as string again, as there are callers which need to handle unsigned bigint's somehow -
// there is no unsigned 64 bit integer type in Delphi.
Result := '';
// Unformatted float coming in? Detect by order of thousand and decimal char
if ((Pos(',', Str) > 0) and (Pos(',', Str) < Pos('.', Str)))
or ((Pos('.', Str) > 0) and (Pos('.', ReverseString(Str)) <> 4))
then begin
Str := StringReplace(Str, '.', '*', [rfReplaceAll]);
Str := StringReplace(Str, ',', FormatSettings.ThousandSeparator, [rfReplaceAll]);
Str := StringReplace(Str, '*', FormatSettings.DecimalSeparator, [rfReplaceAll]);
end;
HasDecimalSep := False;
for i:=1 to Length(Str) do begin
if CharInSet(Str[i], NumberChars) or ((Str[i] = '-') and (Result='')) then
begin
// Avoid confusion and AV in StrToFloat()
if (FormatSettings.ThousandSeparator = FormatSettings.DecimalSeparator) and (Str[i] = FormatSettings.DecimalSeparator) then
continue;
// Ensure only 1 decimalseparator is left
if (Str[i] = FormatSettings.DecimalSeparator) and HasDecimalSep then
continue;
if Str[i] = FormatSettings.DecimalSeparator then
HasDecimalSep := True;
if Str[i] = FormatSettings.ThousandSeparator then
Continue;
Result := Result + Str[i];
end else
Break;
end;
if (Result = '') or (Result = '-') then
Result := '0';
end;
function IsInt(Str: String): Boolean;
begin
Result := IntToStr(MakeInt(Str)) = Str;
end;
function IsFloat(Str: String): Boolean;
begin
Result := FloatToStr(MakeFloat(Str)) = Str;
end;
{***
Convert a string-number to an floatingpoint-number
@param String text representation of a number
@return Extended
}
function MakeFloat(Str: String): Extended;
var
p_kb, p_mb, p_gb, p_tb, p_pb : Integer;
begin
// Convert result to a floating point value to ensure
// we don't discard decimal digits for the next step
Result := StrToFloat(CleanupNumber(Str));
// Detect if the string was previously formatted by FormatByteNumber
// and convert it back by multiplying it with its byte unit
p_kb := Pos(NAME_KB, Str);
p_mb := Pos(NAME_MB, Str);
p_gb := Pos(NAME_GB, Str);
p_tb := Pos(NAME_TB, Str);
p_pb := Pos(NAME_PB, Str);
if (p_kb > 0) and (p_kb = Length(Str)-Length(NAME_KB)+1) then
Result := Result * SIZE_KB
else if (p_mb > 0) and (p_mb = Length(Str)-Length(NAME_MB)+1) then
Result := Result * SIZE_MB
else if (p_gb > 0) and (p_gb = Length(Str)-Length(NAME_GB)+1) then
Result := Result * SIZE_GB
else if (p_tb > 0) and (p_tb = Length(Str)-Length(NAME_TB)+1) then
Result := Result * SIZE_TB
else if (p_pb > 0) and (p_pb = Length(Str)-Length(NAME_PB)+1) then
Result := Result * SIZE_PB;
end;
function RoundCommercial(e: Extended): Int64;
begin
// "Kaufmännisch runden"
// In contrast to Delphi's Round() which rounds *.5 to the next even number
Result := Trunc(e);
if Frac(e) >= 0.5 then
Result := Result + 1;
end;
{***
SynEdit removes all newlines and semi-randomly decides a
new newline format to use for any text edited.
See also: Delphi's incomplete implementation of TTextLineBreakStyle in System.pas
@param string Text to test
@return TLineBreaks
}
function ScanLineBreaks(Text: String): TLineBreaks;
var
i, SeekSize: Integer;
c: Char;
procedure SetResult(Style: TLineBreaks);
begin
// Note: Prefer "(foo <> a) and (foo <> b)" over "not (foo in [a, b])" in excessive loops
// for performance reasons - there is or was a Delphi bug leaving those inline SETs in memory
// after usage. Unfortunately can't remember which bug id it was and if it still exists.
if (Result <> lbsNone) and (Result <> Style) then
Result := lbsMixed
else
Result := Style;
end;
begin
Result := lbsNone;
SeekSize := Min(Length(Text), SIZE_MB);
if SeekSize = 0 then
Exit;
i := 1;
repeat
c := Text[i];
if c = #13 then begin
if (i < SeekSize) and (Text[i+1] = #10) then begin
Inc(i);
SetResult(lbsWindows);
end else
SetResult(lbsMac);
end else if c = LB_UNIX then
SetResult(lbsUnix)
else if c = LB_WIDE then
SetResult(lbsWide);
i := i + 1;
// No need to do more checks after detecting mixed style
if Result = lbsMixed then
break;
until i > SeekSize;
end;
{***
Unify CR's and LF's to CRLF
@param string Text to fix
@return string
}
function fixNewlines(txt: String): String;
begin
txt := StringReplace(txt, CRLF, #10, [rfReplaceAll]);
txt := StringReplace(txt, #13, #10, [rfReplaceAll]);
txt := StringReplace(txt, #10, CRLF, [rfReplaceAll]);
result := txt;
end;
procedure StripNewLines(var txt: String; Replacement: String=' ');
begin
txt := StringReplace(txt, #13#10, Replacement, [rfReplaceAll]);
txt := StringReplace(txt, #13, Replacement, [rfReplaceAll]);
txt := StringReplace(txt, #10, Replacement, [rfReplaceAll]);
end;
function GetLineBreak(LineBreakIndex: TLineBreaks): String;
begin
case LineBreakIndex of
lbsUnix: Result := LB_UNIX;
lbsMac: Result := LB_MAC;
else Result := CRLF;
end;
end;
{***
Mangle input text so that SynEdit can load it.
}
procedure RemoveNullChars(var Text: String; var HasNulls: Boolean);
var
i, Len: Integer;
begin
HasNulls := False;
Len := Length(Text);
for i:=1 to Len do begin
if Text[i] = #0 then begin
Text[i] := #32; // space
HasNulls := True;
end;
end;
end;
{***
Get the path of a Windows(r)-shellfolder, specified by a KNOWNFOLDERID constant
@see https://docs.microsoft.com/en-us/windows/win32/shell/knownfolderid
@param TGUID constant
@return string Path
}
function GetShellFolder(FolderId: TGUID): String;
var
Path: PWideChar;
begin
if Succeeded(SHGetKnownFolderPath(FolderId, 0, 0, Path)) then begin
Result := Path;
end else begin
Result := EmptyStr;
end;
end;
{***
Remove special characters from a filename
@param string Filename
@return string
}
function ValidFilename(Str: String): String;
var
c: Char;
begin
Result := Str;
for c in TPath.GetInvalidFileNameChars do begin
Result := StringReplace(Result, c, '_', [rfReplaceAll]);
end;
end;
{**
Unformat a formatted integer or float. Used for CSV export and composing WHERE clauses for grid editing.
}
function UnformatNumber(Val: String): String;
var
i: Integer;
HasDecim: Boolean;
c: Char;
const
Numbers = ['0'..'9'];
begin
Result := '';
HasDecim := False;
for i:=1 to Length(Val) do begin
c := Val[i];
if (c = '-') and (i = 1) then
Result := Result + c
else if CharInSet(c, Numbers) then begin
if (c = '0') and (Result = '') then
// remove zeropadding
else
Result := Result + c
end else if (c = FormatSettings.DecimalSeparator) and (not HasDecim) then begin
if Result = '' then
Result := '0';
Result := Result + '.';
HasDecim := True;
end else if c <> FormatSettings.ThousandSeparator then
break;
end;
if Result = '' then
Result := '0';
end;
{***
Return a formatted integer or float from a string
@param string Text containing a number
@return string
}
function FormatNumber(str: String; Thousands: Boolean=True): String; Overload;
var
i, p, Left: Integer;
begin
Result := StringReplace(str, '.', FormatSettings.DecimalSeparator, [rfReplaceAll]);
if Thousands then begin
// Do not add thousand separators to zerofilled numbers
if ((Length(Result) >= 1) and (Result[1] = '0'))
or ((Length(Result) >= 2) and (Result[1] = '-') and (Result[2] = '0'))
then
Exit;
p := Pos(FormatSettings.DecimalSeparator, Result);
if p = 0 then p := Length(Result)+1;
Left := 2;
if (Length(Result) >= 1) and (Result[1] = '-') then
Left := 3;
if p > 0 then for i:=p-1 downto Left do begin
if (p-i) mod 3 = 0 then
Insert(FormatSettings.ThousandSeparator, Result, i);
end;
end;
end;
{***
Return a formatted number from an integer
@param int64 Number to format
@return string
}
function FormatNumber(int: Int64; Thousands: Boolean=True): String; Overload;
begin
result := FormatNumber(IntToStr(int), Thousands);
end;
{***
Return a formatted number from a float
This function is called by two overloaded functions
@param double Number to format
@param integer Number of decimals
@return string
}
function FormatNumber(flt: Double; decimals: Integer = 0; Thousands: Boolean=True): String; Overload;
begin
Result := Format('%10.'+IntToStr(decimals)+'f', [flt]);
Result := Trim(Result);
Result := FormatNumber(Result, Thousands);
end;
{***
Open URL or execute system command
@param string Command or URL to execute