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unit nvUtilities;
{$mode objfpc}{$H+}
// disable to remove debugging output
{$Define DEBUG}
interface
uses
Classes, SysUtils;
const
{ TODO -oGraeme : Should this change to LineEnding (platfrom dependant) }
EndLine= chr(13)+chr(10);
TwoEndLines= chr(13)+chr(10)+chr(13)+chr(10);
Quote = '''';
DoubleQuote = '"';
// Removes and returns the first value in a separated
// value list (removes quotes if found)
Function ExtractNextValue(
var S: string;
const Separator: string ): string;
Function ExtractNextValueNoTrim(
var S: string;
const Separator: string ): string;
// Alias method which is the same as Move() but with less confusing name
procedure MemCopy(const src; var dest; size: SizeInt);
// Allows for debug output and quite disable of output
procedure ProfileEvent(const AString: string);
// Return AFilename's size in bytes
function GetFileSize(const AFilename: string): integer;
implementation
Function ExtractNextValue( var S: string;
const Separator: string ): string;
begin
Result := ExtractNextValueNoTrim( S, Separator );
Result := trim( Result );
// Remove quotes if present
if Result <> '' then
if Result[ 1 ] = DoubleQuote then
Delete( Result, 1, 1 );
if Result <> '' then
if Result[ length( Result ) ] = DoubleQuote then
Delete( Result, length( Result ), 1 );
end;
Function ExtractNextValueNoTrim( var S: string;
const Separator: string ): string;
Var
SeparatorPos: integer;
Begin
SeparatorPos := Pos( Separator, S );
if SeparatorPos > 0 then
begin
Result := Copy( S, 1, SeparatorPos-1 );
Delete( S, 1, SeparatorPos + length( Separator ) - 1 );
end
else
begin
Result := S;
S := '';
end;
end;
procedure MemCopy(const src; var dest; size: SizeInt);
begin
Move(src, dest, size);
end;
procedure ProfileEvent(const AString: string);
begin
{$IFDEF DEBUG}
writeln('DEBUG: ', AString);
{$ENDIF}
end;
function GetFileSize(const AFilename: string): integer;
var
f: File;
begin
Result := 0;
Assign(f, AFileName);
{$i-}
Reset(f);
{$i+}
Result := FileSize(f);
CloseFile(f);
end;
end.
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