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ervLib.pas
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unit ervLib;
{
This functions library is Copyright 1988-2014 by Eric Vinter and is
distributed under the terms of the GNU General Public License.
This program is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public
License as published by the Free Software Foundation;
either version 2 of the License, or any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see < http://www.gnu.org/licenses/ >.
---
This file contains various functions added since 1988.
some are still useful, others are no more current, but
left for compatibility reasons. The library was assembled
from previous unreleased libraries (strg / files / htmlTool)
and adapted for use with freePascal / Lazarus in 2014.
Contact: erv at mailpeers dot net
}
{$mode objfpc}{$H+,O+}
interface
uses
Classes, SysUtils;
type AllChars = Set of char;
FN_TYP = String[64] ; { Uniquement pour la compatibilité }
PathStr = String[255] ;
FIB_TYPE =
RECORD
HANDLE,
RECLEN,
BUF_OFS,
BUF_SIZE,
BUF_PTR,
BUF_END : WORD ;
FILENAME : Array[0..63] OF CHAR ;
End ;
DIRREC = { 22 Octets / entrée du répertoire }
RECORD
Attr : Byte ;
Time,
Size : LONGINT ;
Name : String[12] ;
End ;
mx_array = Array [0..65512] of byte;
bytefile = record
f : file;
cnt,sz,rdsz : Longint;
wr : boolean;
eofflg : shortint; { 0 => inconnu / 1 => ok -1 => EOF }
buf : ^mx_array;
end ;
STR1 = string[1] ; STR2 = string[2] ; STR3 = string[3] ;
STR4 = string[4] ; STR6 = string[6] ; STR8 = string[8] ;
STR10 = string[10] ; STR12 = string[12] ; STR16 = string[16] ;
STR20 = string[20] ; STR24 = string[24] ; STR30 = string[30] ;
STR32 = string[32] ; STR40 = string[40] ; STR50 = string[50] ;
STR60 = string[60] ; STR64 = string[64] ; STR70 = string[70] ;
STR80 = string[80] ; STR90 = string[90] ; STR92 = string[92] ;
STR96 = string[96] ; STR100 = string[100] ; STR128 = string[128] ;
STR160 = string[160] ; STR180 = string[180] ; STR200 = string[200] ;
STR220 = string[220] ; STR255 = string ; STR132 = string[132] ;
CHARSET = SET OF CHAR ; BYTESET = SET OF BYTE ;
Var INT24 : BOOLEAN ;
IOERROR : Byte ;
CHARFILESIZE,
{CHARFILESPACE,}
DELTA_SIZE : LONGINT ; { Utilis‚ par SAME_FILE }
{FILETIME : LONGINT ; }
{FILEATTRIB : WORD ;}
SeqFileName : PathStr;
OK : Boolean ;
EOFN : Boolean ;
SILENT : Boolean;
FILL_CHAR : Char; EDIT_CHAR : Str2;
MY_SEP : Char; STRN_UNPACK : Boolean;
PROGNAME : string[12];
CONST LASTPATH : ^String = NIL ;
MYPATH : ^String = NIL ;
MYEXTS : ^String = NIL ;
TREE_MASK : String[12] = '*.' ;
DirSize = 2900 ; TreeHeight = 16 ; TreeSize = 500 ;
DOSATTRIB = 10;
AUTO_BAK : Boolean = False ; { Utilis‚ par FILE_ERASE }
SIZE_OFS : LONGINT = 0 ; { Utilis‚ par SAME_FILE }
OLDINT05 : POINTER = NIL ;
BakExt : Str4='.bak';
SeqInitExt : Str4 = '.dat';
SeqInitSign : Char = '=';
SeqOpenChar : Char = '{';
SeqCloseChar : Char = '}';
FirstBack : boolean = True; { sauvegarde le dernier / premier fichier du jour }
MaxReplace = 1000; {prevent hanging with string replacements}
Function NextLine (const s : string;var ps:integer):String;
Function MaxVal (a,b:Integer):Integer;
Function MinVal (a,b:Integer):Integer;
Function RFILL ( S : string ; N : Integer ) : string ;
Function LFILL ( S : string ; N : Integer ) : string ;
Function RPT ( S : string ; N : Integer ) : string ;
// Function RPL ( S1,S2 : string ; N : WORD ) : string ;
Procedure Replace ( oldText,newText:string ; var S:string );
Procedure ReplaceChar ( ol,nw:char ; var S:string );
Function Before (const Src:string ;const S:string ) : string ;
Function After (const Src:string ;const S:string ) : string ;
Function QBefore (const Src:string ;const S:string ) : string ;
Function QAfter (const Src:string ;const S:string ) : string ;
Function uQuote (const S:string ) : string ;
Function Strs (I:int64) : string ;
Function REAL_STRS (R:REAL) : STR32 ;
Function VALUE (S:string) : Int64 ;
Function REAL_VALUE (S:string) : REAL ;
Function HEXS (I:longint) : STR16 ;
Function BINS (I:Integer) : STR32 ;
Function LTRM ( const S:string ) : string ;
Function RTRM ( const S:string ) : string ;
//Function PACK (S:string;N:BYTE) : string ;
//Function UNPACK (S:string;N:BYTE) : string ;
Function PACK (S:string) : string ;
Function UNPACK (S:string) : string ;
Function PHRASE ( S:string ) : string ;
Function First_Maj (const S:string ) : string ;
Function MixedCase (const S:string ) : boolean;
Function WORDEXISTS (W,S:string):Boolean ;
Function WORDPOS (W,S:string) : Integer ;
Function LEFTS (Var S:string ; B:Integer ) : string ;
Function RIGHTS (Var S:string ; B:Integer ) : string ;
Function MIDS (Var S:string ; B,C:Integer ) : string ;
Function LOCASE (C:CHAR) : CHAR ;
Function NORMALIZE ( S:string ) : string ;
Function RETRIEVE ( S:string ; C:STR16 ) : string ;
Function PARSE ( Var S:string ; C:CHARSET ) : string ;
Function REVERSEPARSE ( Var S:string ; C:CHARSET ) : string ;
Function CENTERTEXT ( S:string ; L : Integer ) : string ;
Function WORDCOUNT (W,S:string) : Integer ;
Function CharCount (c:char;const S:string) : Integer ;
Function NEXTPOS ( W,S : string ; N : Integer ) : Integer ;
Function NEXTWORDPOS ( W,S : string ; N : Integer ) : Integer ;
Function ELIMINATETEXT ( S:string ; E1,E2:STR16 ; Var F:Integer ; IO:Boolean ) : string ;
Function STRN (P:POINTER;N:WORD) : string ; { La 1ø chaine a pour index 0 }
Procedure NIVPAR (S:string;Var N:Integer) ;
Function StrFmt (S:string;L:Byte;T:ShortInt) : string ;
Function FP ( B : Boolean ; S:string ) : string ;
Function DC ( S : string ) : string ;
function genpass(const s:string):string;
function rmshort (s:string;n:integer):String;
Function SECTORSIZE (D:Byte):LONGINT;{Donne la taille d'un secteur du disque}
{Function CLUSTERSIZE (D:Byte):LONGINT;Donne la taille d'un cluster du disque}
Function DISKNAME (B:Byte):STR12 ; {Donne le nom du disque}
Function EXISTE ( N:PATHSTR ) : BOOLEAN ;
(*Function SAME_FILE ( N1,N2:PATHSTR ) : BOOLEAN ;*)
Function DIR_EXISTE ( N:PATHSTR ) : BOOLEAN ;
Function EXEC_EXISTE ( Var N:PATHSTR ; GBL:BOOLEAN ) : BOOLEAN ;
Function Drive_Ready ( D:ShortInt ): BOOLEAN ;
{Procedure REC_SIZE ( Var F;L:WORD ) ;}
(*Procedure CHAR_SEEK ( Var F;L:LONGINT ) ;*)
Procedure Make_BAK ( N:PATHSTR ) ;
Function DatedFilename (N:PATHSTR;dt:TDateTime):PathStr ;
Procedure Make_DatedBAK (N:PATHSTR) ;
Procedure Cre_Text ( N:PATHSTR ) ;
Procedure ADD_Text ( Var T:TEXT;N:PATHSTR ) ;
Function SEARCHFILE( S:PATHSTR ) : PATHSTR ;
Function FILE_EXT ( S:PATHSTR ; GBL:BOOLEAN ; EXTNS:String ) : PATHSTR ;
Function SEARCHPROG ( S:PATHSTR ; GBL:BOOLEAN ) : PATHSTR ;
{Procedure DOS_CALL ( S:PATHSTR;B:BOOLEAN) ;}
Procedure DIRECTORY ( Path:PATHSTR;ATT:WORD;Var N:WORD;Var V ) ;
Procedure TREE ( DRV:ShortInt ; Var N:WORD ; Var V ) ; { Non récursif }
Procedure FILE_ERASE ( N:PATHSTR) ;
Procedure FILE_RENAME ( N1,N2:PATHSTR) ;
Procedure FILE_COPY (src,dst:PATHSTR) ;
{Function DISK_SPACE ( N:PATHSTR;DPL:LONGINT;AFF:Boolean) : Boolean ;}
Function FMT_NAME ( N:PATHSTR ) : str16;
// Function DelOldFiles (s:pathstr;jrs:word) : word;
Function FILES_ERASE (N:PATHSTR) : word ; { efface des fichiers par lots }
(*
Function GetWindowsDir: string;
Function GetWindowsSysDir: string;
{$IFNDEF VER80}
Function RecycleFile(sFileName: string): Boolean;
{$endif}
*)
(* Fonctions FICHIER BYTE bufferisé *)
Procedure byteassign (Var bfv;Var buffer;siz:word;fn:Pathstr); (* Eqv. de ASSIGN *)
Procedure byteflush (Var bfv); (* Ecrit le buffer sur le disque *)
Procedure bytereset (Var bfv); (* RAZ pointeur de fichier *)
Procedure byterewrite (Var bfv); (* RAZ fichier et pr‚paration … l'‚criture *)
Procedure byteclose (Var bfv); (* Ecrit le buffer et ferme le fichier *)
Function byteof (Var bfv):boolean ; (* Eqv. de EOF *)
Procedure byteread (Var bfv;Var b:byte); (* Lit un byte *)
Procedure bytewrite (Var bfv;b:byte); (* Ecrit un byte *)
Procedure ByteCharWrite (Var bfv;c:char); (* Lit un car. *)
Procedure ByteCharRead (Var bfv;Var c:char); (* Ecrit un car. *)
Procedure bytestrwrite (Var bfv;s:string); (* Ecrit une chaine de cars. *)
(* Fonctions fichiers d'init *)
Function SetSeqFile (n : PathStr): Boolean;
Function readseq (wrd:String) : String;
Function readseqNum (wrd:String) : Integer;
Function readseqStrBlock (wrd:String;Var V;StrSz,MxLines:Word) : Integer;
Procedure writeseq (wrd:String;data:String) ;
Procedure writeseqNum (wrd:String;data:Integer) ;
Procedure writeseqStrBlock (Wrd:String;Data:String;Var V;StrSz,Lines:Word);
Function StringFromFile (name:string):string;
Function BStringFromFile (name:string):string;
Function FStringFromFile (name:string):string;
Function StringToFile (name,data:string):Boolean;
Function LinesCount(const s : String):integer;
Function StringFromStrings (var strg:Tstrings):string;
Function StringToStrings (data:string;var strg:Tstrings):Boolean;
Function ConvHTMail (s:String):String;
Function UnQuote(const s:string):String;
Function GetLine (var s:String):string;
// Procedure ConvRichTextToHtml(var s:String;var Ed:TRichedit);
Procedure ConvCharToRadical (var s:String);
Procedure ConvPCToHTML (var s:String;ConvertTag:Byte);
Procedure ConvHTMLtoPC (var s:String;ConvertTag:Byte);
Procedure ConvHTMLtoPCText (var s:String);
Procedure ConvPCToHTMLFilename (var s:String);
Procedure ConvHTMLToPCFilename (var s:String);
Procedure StripTags (tagStart,tagStop:String;var s:String);
Function GetTag (tagStart,tagStop:String;var posi:integer;const s:String):String;
Procedure StripHTMLTags (var s:String);
Procedure StripHTMLComments (var s:String);
Procedure StripHTMLScript (var s:String);
Procedure ServerSideInclude (var s:String);
Function GetHTMLTag(pos:Integer;const s:String):String;
Procedure HTMLBrowse (const s:String);
Function posfrom(const Substr,s:String;n:integer):integer;
Procedure ReplaceString (srch:string;const rpl:String;var s : String);
Procedure CharFilter (rpl:string;var s:String;const st:AllChars);
function ValidEmail(email: string): boolean;
Function CountryCode(const s:String):String;
Function ExtractLinks(s:String):String;
implementation
{$IFDEF Windows}
uses Windows;
{$ENDIF}
const CCodesMax = 238;
CCodes : Array [0..CCodesMax] of string =('','',
'AL=Albania','DZ=Algeria','AS=American Samoa','AD=Andorra','AO=Angola','AI=Anguilla','AQ=Antarctica',
'AG=Antigua and Barbuda','AR=Argentina','AM=Armenia','AW=Aruba','AU=Australia','AT=Austria','AZ=Azerbaidjan',
'BS=Bahamas','BH=Bahrain','BD=Banglades','BB=Barbados','BY=Belarus','BE=Belgium','BZ=Belize','BJ=Benin',
'BM=Bermuda','BO=Bolivia','BA=Bosnia-Herzegovina','BW=Botswana','BV=Bouvet Island','BR=Brazil',
'IO=British Indian O. Terr.','BN=Brunei Darussalam','BG=Bulgaria','BF=Burkina Faso','BI=Burundi',
'BT=Buthan','KH=Cambodia','CM=Cameroon','CA=Canada','CV=Cape Verde','KY=Cayman Islands',
'CF=Central African Rep.','TD=Chad','CL=Chile','CN=China','CX=Christmas Island','CC=Cocos (Keeling) Isl.',
'CO=Colombia','KM=Comoros','CG=Congo','CK=Cook Islands','CR=Costa Rica','HR=Croatia','CU=Cuba','CY=Cyprus',
'CZ=Czech Republic','CS=Czechoslovakia','DK=Denmark','DJ=Djibouti','DM=Dominica','DO=Dominican Republic',
'TP=East Timor','EC=Ecuador','EG=Egypt','SV=El Salvador','GQ=Equatorial Guinea','EE=Estonia','ET=Ethiopia',
'FK=Falkland Isl.(Malvinas)','FO=Faroe Islands','FJ=Fiji','FI=Finland','FR=France','FX=France (European Ter.)',
'TF=French Southern Terr.','GA=Gabon','GM=Gambia','GE=Georgia','DE=Germany','GH=Ghana','GI=Gibraltar','GR=Greece',
'GL=Greenland','GD=Grenada','GP=Guadeloupe (Fr.)','GU=Guam (US)','GT=Guatemala','GN=Guinea','GW=Guinea Bissau',
'GY=Guyana','GF=Guyana (Fr.)','HT=Haiti','HM=Heard & McDonald Isl.','HN=Honduras','HK=Hong Kong','HU=Hungary',
'IS=Iceland','IN=India','ID=Indonesia','IR=Iran','IQ=Iraq','IE=Ireland','IL=Israel','IT=Italy','CI=Ivory Coast',
'JM=Jamaica','JP=Japan','JO=Jordan','KZ=Kazakhstan','KE=Kenya','KG=Kyrgyzstan','KI=Kiribati','KP=Korea (North)',
'KR=Korea (South)','KW=Kuwait','LA=Laos','LV=Latvia','LB=Lebanon','LS=Lesotho','LR=Liberia','LY=Libya',
'LI=Liechtenstein','LT=Lithuania','LU=Luxembourg','MO=Macau','MG=Madagascar','MW=Malawi','MY=Malaysia',
'MV=Maldives','ML=Mali','MT=Malta','MH=Marshall Islands','MQ=Martinique (Fr.)','MR=Mauritania','MU=Mauritius',
'MX=Mexico','FM=Micronesia','MD=Moldavia','MC=Monaco','MN=Mongolia','MS=Montserrat','MA=Morocco','MZ=Mozambique',
'MM=Myanmar','NA=Namibia','NR=Nauru','NP=Nepal','AN=Netherland Antilles','NL=Netherlands','NT=Neutral Zone',
'NC=New Caledonia (Fr.)','NZ=New Zealand','NI=Nicaragua','NE=Niger','NG=Nigeria','NU=Niue','NF=Norfolk Island',
'MP=Northern Mariana Isl.','NO=Norway','OM=Oman','PK=Pakistan','PW=Palau','PA=Panama','PG=Papua New','PY=Paraguay',
'PE=Peru','PH=Philippines','PN=Pitcairn','PL=Poland','PF=Polynesia (Fr.)','PT=Portugal','PR=Puerto Rico (US)',
'QA=Qatar','RE=Reunion (Fr.)','RO=Romania','RU=Russian Federation','RW=Rwanda','LC=Saint Lucia','WS=Samoa',
'SM=San Marino','SA=Saudi Arabia','SN=Senegal','SC=Seychelles','SL=Sierra Leone','SG=Singapore','SK=Slovak Republic',
'SI=Slovenia','SB=Solomon Islands','SO=Somalia','ZA=South Africa','SU=Soviet Union','ES=Spain','LK=Sri Lanka',
'SH=St. Helena','PM=St. Pierre & Miquelon','ST=St. Tome and Principe','KN=St.Kitts Nevis Anguilla',
'VC=St.Vincent & Grenadines','SD=Sudan','SR=Suriname','SJ=Svalbard & Jan Mayen Is','SZ=Swaziland',
'SE=Sweden','CH=Switzerland','SY=Syria','TJ=Tadjikistan','TW=Taiwan','TZ=Tanzania','TH=Thailand','TG=Togo',
'TK=Tokelau','TO=Tonga','TT=Trinidad & Tobago','TN=Tunisia','TR=Turkey','TM=Turkmenistan',
'TC=Turks & Caicos Islands','TV=Tuvalu','UM=US Minor outlying Isl.','UG=Uganda','UA=Ukraine',
'AE=United Arab Emirates','GB=United Kingdom','US=United States','UY=Uruguay','UZ=Uzbekistan','VU=Vanuatu',
'VA=Vatican City State','VE=Venezuela','VN=Vietnam','VG=Virgin Islands (British)','VI=Virgin Islands (US)',
'WF=Wallis & Futuna Islands ','EH=Western Sahara','YE=Yemen','YU=Yugoslavia','ZR=Zaire','ZM=Zambia',
'ZW=Zimbabwe');
Var STRN_PTR1 : POINTER;
STRN_PTR2 : POINTER;
STRN_NUM : WORD;
function genpass(const s:string):string;
const alpha='abcdefghkmnpqrstuvwxyz';
numer='0123456789';
all=alpha+numer;
var f,g,cnt: word;
c,c2:char;
Begin
randomize;
c:=#0;
c2:=#0;
Result:=s;
g:=random(charcount(',',Result)+1);
for f := 1 to g do Result:=after(',',Result);
Result:=before(',',Result);
for f := 1 to length(result) do
begin
repeat
case result[f] of
'a' : c:=alpha[random(length(alpha))+1];
'n' : c:=numer[random(length(numer))+1];
'x' : c:=all[random(length(all)+1)];
else
runerror(99);
end;
if (c='0') and (pos(c2,numer)=0) then c:=c2; // Les chiffres ne commencent pas par '0'
cnt:=0;
for g:=1 to f-1 do if Result[f]=c then inc(cnt);
if cnt>1 then c:=c2;
until c<>c2;
c2:=c;
Result[f]:=c;
end;
end;
Function CharCount (c:char;const S:string) : Integer ;
var i:integer;
Begin
Result:=0;
for i:=1 to length(s) do if s[i]=c then inc(Result);
End;
Procedure ReplaceChar ( ol,nw:char ; var S:string );
var i:integer;
Begin
for i:=1 to length(s) do if s[i]=ol then s[i]:=nw;
End;
// Reads a line from a string (accept either windows or Linux formatted strings)
Function NextLine (const s : string;var ps:integer):String;
var i : integer;
Begin
if ps=0 then ps:=1;
result:='';
if ps<1 then exit;
if ps>=length(s) then
begin
ps:=-ps;
exit;
end;
i:=ps;
while (s[i]<>#13) and (i<length(s)) do inc(i);
Result:=copy(s,ps,i-ps);
if (s[i]=#13) and (i<length(s)) then if s[i+1]=#10 then inc(i);
ps:=i+1;
End;
{-----------------------------------------------------------------------------}
Function MaxVal (a,b:Integer):Integer;
Begin
if a>b then Result:=a else Result:=b;
End;
Function MinVal (a,b:Integer):Integer;
Begin
if a<b then Result:=a else Result:=b;
End;
{-----------------------------------------------------------------------------}
Function RPT ( S : string ; N : Integer ) : string ;
Var F : Integer ;
R : string ;
begin
if N=0 then
R := ''
else
if length(S)=1 then
R := STRINGOFChar (S[1],N)
else
begin
R := '' ;
for F := 1 to N do if length(R)+length(S)<256 then R := R+S ;
end ;
Result := R ;
end ;
{-----------------------------------------------------------------------------}
Function RFILL ( S : string ; N : Integer ) : string ;
begin
if length(s)<n then
result := s+StringOfChar(FILL_CHAR,n-length(s))
else
result := s;
end ;
{-----------------------------------------------------------------------------}
Function LFILL ( S : string ; N : Integer ) : string ;
begin
if length(s)<n then
result := StringOfChar(FILL_CHAR,n-length(s))+s
else
result := s;
end ;
{-----------------------------------------------------------------------------}
Function CENTERTEXT ( S:string ; L : Integer ) : string ;
begin
if length(S)<L then
begin
S := StringOfChar(FILL_CHAR,(L-length(S)) shr 1 )+S ;
if length(s)<L then
result := s+StringOfChar(FILL_CHAR,L-length(s))
else
result := copy (s,1,l);
end
else
result := copy (s,1,l);
end ;
{----------------------------------------------------------------------------}
Function StrFmt (S:string;L:Byte;T:ShortInt) : string ;
begin
if length(S)<L then
CASE T OF
-1 : if length(s)<L then s := s+StringOfChar(FILL_CHAR,L-length(s)); { RFILL }
0 : begin
S := StringOfChar(FILL_CHAR,(L-length(S)) shr 1 )+S ;
if length(s)<L then s := s+StringOfChar(FILL_CHAR,L-length(s)); { Center }
end ;
1 : if length(s)<L then s := StringOfChar(FILL_CHAR,L-length(s))+s; { LFILL }
end ;
result := copy (s,1,l);
end ;
{-----------------------------------------------------------------------------}
{
Function RPL ( S1,S2 : string ; N : WORD ) : string ;
(*
Var F : WORD ;
LS1 : BYTE absolute S1 ;
LS2 : BYTE absolute S2 ;
P1,P2 : POINTER ;
*)
begin
(* does not work with Delphi
if Length(S1)>0 then
begin
F := Length(S1)+N ;
if F>255 then
begin
dec (Length(S1),F-255) ;
F := 255 ;
end ;
if F>Length(S2) then Length(S2) := F ;
P1 := @S1 ;
P2 := @S2 ;
inc (LONGINT(P1)) ;
inc (LONGINT(P2),N) ;
MOVE (P1^,P2^,Length(S1)) ;
end ;
RPL := S2 ;*)
end ;
}
{-----------------------------------------------------------------------------}
Procedure Replace ( oldText,newText:string ; var S:string );
Var F,cnt : integer ;
begin
cnt:=MaxReplace;
F := POS (oldText,S) ;
while F<>0 do
begin
delete (s,f,length(oldText));
insert(newText,s,f);
F := POS (oldText,S) ;
if cnt=0 then f:=0;
dec (cnt);
end;
end ;
{-----------------------------------------------------------------------------}
Function Before (const Src:string ;const S:string ) : string ;
Var F : integer ;
begin
F := POS (Src,S) ;
if F=0 then
Before := S
else
Before := COPY(S,1,F-1) ;
end ;
{-----------------------------------------------------------------------------}
Function After (const Src:string ;const S:string ) : string ;
Var F : integer ;
begin
F := POS (Src,S) ;
if F=0 then
After := ''
else
After := COPY(S,F+length(src),length(s)) ;
end ;
{-----------------------------------------------------------------------------}
Function QBefore (const Src:string ;const S:string ) : string ;
Var F,g : integer ;
sc,c,Qchar:char;
inquote:boolean;
begin
f:=0;
if length(src)>0 then
begin
inquote:=False;
Qchar:=#0;
g:=1;
sc:=src[1];
while (length(s)>=g) and (f=0) do
begin
c:=s[g];
if inquote then
begin
if c=qchar then inquote:=false;
end
else
if (c='''') or (c='"') then
begin
Qchar:=c;
inquote:=true;
end
else
begin
if c=sc then if copy(s,g,length(src))=src then f:=g;
end;
inc(g);
end;
end;
(** F := POS (Src,S) ; **)
if F=0 then
QBefore := S
else
QBefore := COPY(S,1,F-1) ;
end ;
{-----------------------------------------------------------------------------}
Function QAfter (const Src:string ;const S:string ) : string ;
Var F,g : integer ;
sc,c,Qchar:char;
inquote:boolean;
begin
f:=0;
if length(src)>0 then
begin
inquote:=False;
Qchar:=#0;
g:=1;
sc:=src[1];
while (length(s)>=g) and (f=0) do
begin
c:=s[g];
if inquote then
begin
if c=qchar then inquote:=false;
end
else
if (c='''') or (c='"') then
begin
Qchar:=c;
inquote:=true;
end
else
begin
if c=sc then if copy(s,g,length(src))=src then f:=g;
end;
inc(g);
end;
end;
(** F := POS (Src,S) ; **)
if F=0 then
QAfter := ''
else
QAfter := COPY(S,F+length(src),length(s)) ;
end ;
{-----------------------------------------------------------------------------}
Function uQuote (const S:string ) : string ;
Var g : integer ;
c,Qchar:char;
inquote:boolean;
begin
inquote:=False;
Qchar:=#0;
g:=1;
result :=s;
while length(result)>=g do
begin
c:=result[g];
if inquote then
begin
if c=qchar then
begin
if copy(result,g,2)<>qchar+qchar then inquote:=false else inc(g);
delete (result,g,1);
dec(g);
end
end
else
if (c='''') or (c='"') then
begin
Qchar:=c;
inquote:=true;
delete (result,g,1);
dec(g);
end;
inc(g);
end;
end ;
{-----------------------------------------------------------------------------}
Function Strs (I:Int64) : string ;
Var X : string[16] ;
begin
STR (I,X) ;
Strs := X ;
end ;
{-----------------------------------------------------------------------------}
Function REAL_STRS (R:REAL) : STR32 ;
Var X : string ;
// vX : byte absolute x;
begin
STR (R:20:10,X) ;
X := LTRM (X) ;
WHILE X[length(X)] ='0' do {dec (vX)} delete(x,length(x),1) ;
if X[length(X)] ='.' then {dec (vX)} delete(x,length(x),1) ;
REAL_STRS := X ;
end ;
{-----------------------------------------------------------------------------}
Function VALUE (S:string) : Int64 ;
Var F :int64;
B : Integer ;
C : CHAR ;
begin
if s='' then
begin
result:=0;
exit;
end;
OK := TRUE ;
if S[1]=' ' then
begin
F := 2 ;
WHILE S[F]=' ' do inc (F) ;
DELETE (S,1,F-1) ;
end ;
VAL (S,F,B) ;
if B<>0 then
begin
if (B=2) AND (S[1]<'0') then
begin
DELETE (S,1,1) ;
B := 1 ;
end ;
OK := FALSE ;
WHILE (B=1) AND (length(S)>0) do
begin
F := 2 ;
C := S[F] ;
WHILE ((C<'$') OR (C>'F') OR not (C IN ['$','+','-','0'..'9','A'..'F']))
AND (F<=length(S)) do
begin
inc (F) ;
C := S[F] ;
end ;
if F>1 then DELETE (S,1,F-1) ;
VAL (S,F,B) ;
if (B=2) AND (C<'0') then
begin
DELETE (S,1,1) ;
VAL (S,F,B) ;
end ;
end ;
if B>1 then
begin
SetLength (s,B-1) ;
VAL (S,F,B) ;
end ;
if (B>0) OR (length(S)=0) then F := 0 else OK := TRUE ;
end ;
result := F ;
end ;
{-----------------------------------------------------------------------------}
Function REAL_VALUE (S:string) : REAL ;
Var F,B : Integer ;
R : REAL ;
begin
OK := FALSE ;
if s='' then
begin
result:=0;
exit;
end;
F := POS (',',S) ;
WHILE F>0 do
begin
S[F] := '.' ;
F := POS (',',S) ;
end ;
F := 1 ;
WHILE not (S[F] IN ['+','-','.','0'..'9']) AND (F<=length(S)) do inc (F) ;
if F>1 then DELETE (S,1,F-1) ;
VAL (S,R,B) ;
if B = 1 then
if length(S)>1 then
REPEAT
S := COPY(S,2,255) ;
VAL (S,R,B) ;
UNTIL (B<>1) OR (length(S)<2)
else
begin
B := 0 ;
R := 0 ;
end ;
if B IN [2..255] then
begin
S := COPY(S,1,B-1) ;
VAL (S,R,B) ;
end ;
if B <= 0 then OK := TRUE ;
REAL_VALUE := R ;
end ;
{-----------------------------------------------------------------------------}
Function HEXS (I:longint) : STR16 ;
CONST HX : ARRAY [0..15] OF CHAR = '0123456789ABCDEF' ;
Var S : STR16 ;
begin
S[0] := #0 ;
REPEAT
S := HX[I AND $F]+S ;
I := I shr 4 ;
UNTIL I = 0 ;
HEXS := '$'+S ;
end ;
{-----------------------------------------------------------------------------}
Function BINS (I:Integer) : STR32 ;
Var S : STR32 ;
C : CHAR ;
begin
S := '' ;
REPEAT
C := '0' ;
if ODD(I) then C := '1' ;
S := C+S ;
I := I shr 1 ;
UNTIL I = 0 ;
BINS := '%'+S ;
end ;
{-----------------------------------------------------------------------------}
Function LEFTS (Var S:string ; B:Integer ) : string ;
begin
if (B >= length(S)) OR (length(S)=0)
then
LEFTS := S
else
if B <= 0 then LEFTS := '' else LEFTS := COPY (S,1,B) ;
end ;
{-----------------------------------------------------------------------------}
Function RIGHTS (Var S:string ; B:Integer ) : string ;
begin
if (B >= length(S)) OR (length(S)=0) then
RIGHTS := S
else
if B <= 0 then RIGHTS := '' else RIGHTS := COPY (S,length(S)-B+1,255) ;
end ;
{-----------------------------------------------------------------------------}
Function MIDS (Var S:string ; B,C:Integer ) : string ;
begin
MIDS := COPY (S,B,C) ;
end ;
{-----------------------------------------------------------------------------}
Function LTRM ( const S:string ) : string ;
Var F : Integer ;
begin
F := 1 ;
WHILE (F<=length(S)) AND (S[F]=' ') do inc(F) ;
if F > 1 then LTRM := COPY (S,F,255) else LTRM := S ;
end ;
{-----------------------------------------------------------------------------}
Function RTRM ( const S:string ) : string ;
Var M : Integer ;
begin
M := length(S) ;
WHILE (m>0) and (S[m] = ' ') do dec(m) ;
RTRM := copy (S,1,m) ;
end ;
{-----------------------------------------------------------------------------}
Function LOCASE (C:CHAR) : CHAR ;
Var B : BYTE absolute C ;
begin
if C IN ['A'..'Z'] then B := B OR $20 ;
LOCASE := C ;
end ;
{-----------------------------------------------------------------------------}
{ $L STR.OBJ }
{Function UPPERCASE ( Var S:string ) : string ; External ;
Var F : Integer ;
LS : BYTE absolute S ;
begin
for F := 1 to LS do UPPERCASE[F] := UPCASE(S[F]) ;
UPPERCASE[0] := S[0] ;
end ;
}
{-----------------------------------------------------------------------------}
Function NORMALIZE ( S:string ) : string ;
Var F : Integer ;
begin
S := LTRM (S) ;
S := RTRM (S) ;
S := UPPERCASE (S) ;
if length(S)>2 then F := POS(' ',S) else F := 0 ;
WHILE F>0 do
begin
S := COPY(S,1,F)+COPY(S,F+2,255) ;
if length(S)>2 then F := POS(' ',S) else F := 0 ;
end ;
NORMALIZE := S ;
end ;
{-----------------------------------------------------------------------------}
Function RETRIEVE ( S:string ; C:STR16 ) : string ;
Var F : Integer ;
CH : CHAR ;
begin
WHILE (length(S)>0) AND (length(c)>0) do
begin
CH := C[1] ;
C := COPY (C,2,255) ;
F := POS (CH,S) ;
WHILE F > 0 do
begin
if F=1 then S := COPY(S,2,255) else S := COPY(S,1,F-1)+COPY(S,F+1,255) ;
if length(S)>0 then F := POS(CH,S) else F := 0 ;
end ;
end ;
RETRIEVE := S ;
end ;
{-----------------------------------------------------------------------------}
Function First_Maj (const S:string ) : string ;
Var F : Integer ;
begin
Result := LTRM (S) ;
Result := RTRM (Result) ;
for F := 2 to length(Result) do if Result[F] IN ['A' .. 'Z'] then Result[F] := char(ord(Result[f]) + $20) ;
if length(Result)>0 then Result[1] := UPCASE(Result[1]) ;
end ;
{-----------------------------------------------------------------------------}
Function MixedCase (const S:string ) : boolean;
Var F : Integer ;
b : boolean;
begin
Result:=False;
b:=False;
for F := 1 to length(s) do
begin
if s[F] IN ['A' .. 'Z'] then b:=True ;
if s[F] IN ['a' .. 'z'] then Result:=True ;
end;
Result:= Result and b;
end ;