github.com/unidoc/unipdf/v3@v3.55.0/fdf/fdf.go

//
// Copyright 2020 FoxyUtils ehf. All rights reserved.
//
// This is a commercial product and requires a license to operate.
// A trial license can be obtained at https://unidoc.io
//
// DO NOT EDIT: generated by unitwist Go source code obfuscator.
//
// Use of this source code is governed by the UniDoc End User License Agreement
// terms that can be accessed at https://unidoc.io/eula/

// Package fdf provides support for loading form field data from Form Field Data (FDF) files.
package fdf ;import (_ef "bufio";_f "bytes";_cdc "encoding/hex";_e "errors";_cd "fmt";_gf "github.com/unidoc/unipdf/v3/common";_be "github.com/unidoc/unipdf/v3/core";_d "io";_g "os";_c "regexp";_b "sort";_af "strconv";_ec "strings";);

// Load loads FDF form data from `r`.
func Load (r _d .ReadSeeker )(*Data ,error ){_fd ,_cc :=_bdd (r );if _cc !=nil {return nil ,_cc ;};_afb ,_cc :=_fd .Root ();if _cc !=nil {return nil ,_cc ;};_bd ,_eg :=_be .GetArray (_afb .Get ("\u0046\u0069\u0065\u006c\u0064\u0073"));if !_eg {return nil ,_e .New ("\u0066\u0069\u0065\u006c\u0064\u0073\u0020\u006d\u0069s\u0073\u0069\u006e\u0067");
};return &Data {_ea :_bd ,_df :_afb },nil ;};var _ceca =_c .MustCompile ("\u0025F\u0044F\u002d\u0028\u005c\u0064\u0029\u005c\u002e\u0028\u005c\u0064\u0029");func (_egd *fdfParser )parseNumber ()(_be .PdfObject ,error ){return _be .ParseNumber (_egd ._dgf )};
func (_egc *fdfParser )readComment ()(string ,error ){var _eb _f .Buffer ;_ ,_dee :=_egc .skipSpaces ();if _dee !=nil {return _eb .String (),_dee ;};_fcb :=true ;for {_ee ,_gd :=_egc ._dgf .Peek (1);if _gd !=nil {_gf .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_gd .Error ());
return _eb .String (),_gd ;};if _fcb &&_ee [0]!='%'{return _eb .String (),_e .New ("c\u006f\u006d\u006d\u0065\u006e\u0074 \u0073\u0068\u006f\u0075\u006c\u0064\u0020\u0073\u0074a\u0072\u0074\u0020w\u0069t\u0068\u0020\u0025");};_fcb =false ;if (_ee [0]!='\r')&&(_ee [0]!='\n'){_fdd ,_ :=_egc ._dgf .ReadByte ();
_eb .WriteByte (_fdd );}else {break ;};};return _eb .String (),nil ;};

// FieldValues implements interface model.FieldValueProvider.
// Returns a map of field names to values (PdfObjects).
func (fdf *Data )FieldValues ()(map[string ]_be .PdfObject ,error ){_fe ,_cec :=fdf .FieldDictionaries ();if _cec !=nil {return nil ,_cec ;};var _dff []string ;for _de :=range _fe {_dff =append (_dff ,_de );};_b .Strings (_dff );_bda :=map[string ]_be .PdfObject {};
for _ ,_fc :=range _dff {_dcd :=_fe [_fc ];_gbc :=_be .TraceToDirectObject (_dcd .Get ("\u0056"));_bda [_fc ]=_gbc ;};return _bda ,nil ;};func (_gfd *fdfParser )seekToEOFMarker (_eea int64 )error {_ggc :=int64 (0);_fgba :=int64 (1000);for _ggc < _eea {if _eea <=(_fgba +_ggc ){_fgba =_eea -_ggc ;
};_ ,_gbga :=_gfd ._beg .Seek (-_ggc -_fgba ,_d .SeekEnd );if _gbga !=nil {return _gbga ;};_dbf :=make ([]byte ,_fgba );_gfd ._beg .Read (_dbf );_gf .Log .Trace ("\u004c\u006f\u006f\u006bi\u006e\u0067\u0020\u0066\u006f\u0072\u0020\u0045\u004f\u0046 \u006da\u0072\u006b\u0065\u0072\u003a\u0020\u0022%\u0073\u0022",string (_dbf ));
_bgd :=_gc .FindAllStringIndex (string (_dbf ),-1);if _bgd !=nil {_aad :=_bgd [len (_bgd )-1];_gf .Log .Trace ("\u0049\u006e\u0064\u003a\u0020\u0025\u0020\u0064",_bgd );_gfd ._beg .Seek (-_ggc -_fgba +int64 (_aad [0]),_d .SeekEnd );return nil ;};_gf .Log .Debug ("\u0057\u0061\u0072\u006e\u0069\u006eg\u003a\u0020\u0045\u004f\u0046\u0020\u006d\u0061\u0072\u006b\u0065\u0072\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075n\u0064\u0021\u0020\u002d\u0020\u0063\u006f\u006e\u0074\u0069\u006e\u0075\u0065\u0020s\u0065e\u006b\u0069\u006e\u0067");
_ggc +=_fgba ;};_gf .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u003a\u0020\u0045\u004f\u0046\u0020\u006d\u0061\u0072\u006be\u0072 \u0077\u0061\u0073\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064\u002e");return _e .New ("\u0045\u004f\u0046\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");
};func _ecab (_afca string )(_be .PdfObjectReference ,error ){_gcd :=_be .PdfObjectReference {};_dfag :=_ga .FindStringSubmatch (_afca );if len (_dfag )< 3{_gf .Log .Debug ("\u0045\u0072\u0072or\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0072\u0065\u0066\u0065\u0072\u0065\u006e\u0063\u0065");
return _gcd ,_e .New ("\u0075n\u0061\u0062\u006c\u0065 \u0074\u006f\u0020\u0070\u0061r\u0073e\u0020r\u0065\u0066\u0065\u0072\u0065\u006e\u0063e");};_fcbf ,_ccg :=_af .Atoi (_dfag [1]);if _ccg !=nil {_gf .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0070a\u0072\u0073\u0069n\u0067\u0020\u006fb\u006a\u0065c\u0074\u0020\u006e\u0075\u006d\u0062e\u0072 '\u0025\u0073\u0027\u0020\u002d\u0020\u0055\u0073\u0069\u006e\u0067\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u006e\u0075\u006d\u0020\u003d\u0020\u0030",_dfag [1]);
return _gcd ,nil ;};_gcd .ObjectNumber =int64 (_fcbf );_cfg ,_ccg :=_af .Atoi (_dfag [2]);if _ccg !=nil {_gf .Log .Debug ("\u0045\u0072r\u006f\u0072\u0020\u0070\u0061r\u0073\u0069\u006e\u0067\u0020g\u0065\u006e\u0065\u0072\u0061\u0074\u0069\u006f\u006e\u0020\u006e\u0075\u006d\u0062\u0065\u0072\u0020\u0027\u0025\u0073\u0027\u0020\u002d\u0020\u0055\u0073\u0069\u006e\u0067\u0020\u0067\u0065\u006e\u0020\u003d\u0020\u0030",_dfag [2]);
return _gcd ,nil ;};_gcd .GenerationNumber =int64 (_cfg );return _gcd ,nil ;};func (_da *fdfParser )skipSpaces ()(int ,error ){_fdg :=0;for {_agc ,_agcb :=_da ._dgf .ReadByte ();if _agcb !=nil {return 0,_agcb ;};if _be .IsWhiteSpace (_agc ){_fdg ++;}else {_da ._dgf .UnreadByte ();
break ;};};return _fdg ,nil ;};func (_fbgb *fdfParser )parseDict ()(*_be .PdfObjectDictionary ,error ){_gf .Log .Trace ("\u0052\u0065\u0061\u0064\u0069\u006e\u0067\u0020\u0046\u0044\u0046\u0020D\u0069\u0063\u0074\u0021");_fgb :=_be .MakeDict ();_dbd ,_ :=_fbgb ._dgf .ReadByte ();
if _dbd !='<'{return nil ,_e .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0064\u0069\u0063\u0074");};_dbd ,_ =_fbgb ._dgf .ReadByte ();if _dbd !='<'{return nil ,_e .New ("\u0069\u006e\u0076a\u006c\u0069\u0064\u0020\u0064\u0069\u0063\u0074");};for {_fbgb .skipSpaces ();
_fbgb .skipComments ();_ebd ,_cca :=_fbgb ._dgf .Peek (2);if _cca !=nil {return nil ,_cca ;};_gf .Log .Trace ("D\u0069c\u0074\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_ebd ),string (_ebd ));if (_ebd [0]=='>')&&(_ebd [1]=='>'){_gf .Log .Trace ("\u0045\u004f\u0046\u0020\u0064\u0069\u0063\u0074\u0069o\u006e\u0061\u0072\u0079");
_fbgb ._dgf .ReadByte ();_fbgb ._dgf .ReadByte ();break ;};_gf .Log .Trace ("\u0050a\u0072s\u0065\u0020\u0074\u0068\u0065\u0020\u006e\u0061\u006d\u0065\u0021");_dde ,_cca :=_fbgb .parseName ();_gf .Log .Trace ("\u004be\u0079\u003a\u0020\u0025\u0073",_dde );
if _cca !=nil {_gf .Log .Debug ("E\u0052\u0052\u004f\u0052\u0020\u0052e\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u006ea\u006d\u0065\u0020e\u0072r\u0020\u0025\u0073",_cca );return nil ,_cca ;};if len (_dde )> 4&&_dde [len (_dde )-4:]=="\u006e\u0075\u006c\u006c"{_acdg :=_dde [0:len (_dde )-4];
_gf .Log .Debug ("\u0054\u0061\u006b\u0069n\u0067\u0020\u0063\u0061\u0072\u0065\u0020\u006f\u0066\u0020n\u0075l\u006c\u0020\u0062\u0075\u0067\u0020\u0028%\u0073\u0029",_dde );_gf .Log .Debug ("\u004e\u0065\u0077\u0020ke\u0079\u0020\u0022\u0025\u0073\u0022\u0020\u003d\u0020\u006e\u0075\u006c\u006c",_acdg );
_fbgb .skipSpaces ();_eee ,_ :=_fbgb ._dgf .Peek (1);if _eee [0]=='/'{_fgb .Set (_acdg ,_be .MakeNull ());continue ;};};_fbgb .skipSpaces ();_gbg ,_cca :=_fbgb .parseObject ();if _cca !=nil {return nil ,_cca ;};_fgb .Set (_dde ,_gbg );_gf .Log .Trace ("\u0064\u0069\u0063\u0074\u005b\u0025\u0073\u005d\u0020\u003d\u0020\u0025\u0073",_dde ,_gbg .String ());
};_gf .Log .Trace ("\u0072\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0046\u0044\u0046\u0020\u0044\u0069\u0063\u0074\u0021");return _fgb ,nil ;};func (_ebb *fdfParser )parseFdfVersion ()(int ,int ,error ){_ebb ._beg .Seek (0,_d .SeekStart );_bceag :=20;
_ecg :=make ([]byte ,_bceag );_ebb ._beg .Read (_ecg );_eebc :=_ceca .FindStringSubmatch (string (_ecg ));if len (_eebc )< 3{_cae ,_bgf ,_gaa :=_ebb .seekFdfVersionTopDown ();if _gaa !=nil {_gf .Log .Debug ("F\u0061\u0069\u006c\u0065\u0064\u0020\u0072\u0065\u0063\u006f\u0076\u0065\u0072\u0079\u0020\u002d\u0020\u0075n\u0061\u0062\u006c\u0065\u0020\u0074\u006f\u0020\u0066\u0069nd\u0020\u0076\u0065r\u0073i\u006f\u006e");
return 0,0,_gaa ;};return _cae ,_bgf ,nil ;};_cgdb ,_add :=_af .Atoi (_eebc [1]);if _add !=nil {return 0,0,_add ;};_cbc ,_add :=_af .Atoi (_eebc [2]);if _add !=nil {return 0,0,_add ;};_gf .Log .Debug ("\u0046\u0064\u0066\u0020\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020%\u0064\u002e\u0025\u0064",_cgdb ,_cbc );
return _cgdb ,_cbc ,nil ;};func (_egaa *fdfParser )parseString ()(*_be .PdfObjectString ,error ){_egaa ._dgf .ReadByte ();var _fdc _f .Buffer ;_bdc :=1;for {_ffd ,_eaf :=_egaa ._dgf .Peek (1);if _eaf !=nil {return _be .MakeString (_fdc .String ()),_eaf ;
};if _ffd [0]=='\\'{_egaa ._dgf .ReadByte ();_afa ,_fdgd :=_egaa ._dgf .ReadByte ();if _fdgd !=nil {return _be .MakeString (_fdc .String ()),_fdgd ;};if _be .IsOctalDigit (_afa ){_bce ,_ced :=_egaa ._dgf .Peek (2);if _ced !=nil {return _be .MakeString (_fdc .String ()),_ced ;
};var _dbc []byte ;_dbc =append (_dbc ,_afa );for _ ,_ba :=range _bce {if _be .IsOctalDigit (_ba ){_dbc =append (_dbc ,_ba );}else {break ;};};_egaa ._dgf .Discard (len (_dbc )-1);_gf .Log .Trace ("\u004e\u0075\u006d\u0065ri\u0063\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0020\u0022\u0025\u0073\u0022",_dbc );
_eab ,_ced :=_af .ParseUint (string (_dbc ),8,32);if _ced !=nil {return _be .MakeString (_fdc .String ()),_ced ;};_fdc .WriteByte (byte (_eab ));continue ;};switch _afa {case 'n':_fdc .WriteRune ('\n');case 'r':_fdc .WriteRune ('\r');case 't':_fdc .WriteRune ('\t');
case 'b':_fdc .WriteRune ('\b');case 'f':_fdc .WriteRune ('\f');case '(':_fdc .WriteRune ('(');case ')':_fdc .WriteRune (')');case '\\':_fdc .WriteRune ('\\');};continue ;}else if _ffd [0]=='('{_bdc ++;}else if _ffd [0]==')'{_bdc --;if _bdc ==0{_egaa ._dgf .ReadByte ();
break ;};};_cbg ,_ :=_egaa ._dgf .ReadByte ();_fdc .WriteByte (_cbg );};return _be .MakeString (_fdc .String ()),nil ;};func (_afc *fdfParser )parseBool ()(_be .PdfObjectBool ,error ){_cfe ,_ae :=_afc ._dgf .Peek (4);if _ae !=nil {return _be .PdfObjectBool (false ),_ae ;
};if (len (_cfe )>=4)&&(string (_cfe [:4])=="\u0074\u0072\u0075\u0065"){_afc ._dgf .Discard (4);return _be .PdfObjectBool (true ),nil ;};_cfe ,_ae =_afc ._dgf .Peek (5);if _ae !=nil {return _be .PdfObjectBool (false ),_ae ;};if (len (_cfe )>=5)&&(string (_cfe [:5])=="\u0066\u0061\u006cs\u0065"){_afc ._dgf .Discard (5);
return _be .PdfObjectBool (false ),nil ;};return _be .PdfObjectBool (false ),_e .New ("\u0075n\u0065\u0078\u0070\u0065c\u0074\u0065\u0064\u0020\u0062o\u006fl\u0065a\u006e\u0020\u0073\u0074\u0072\u0069\u006eg");};func (_dcc *fdfParser )parseNull ()(_be .PdfObjectNull ,error ){_ ,_aee :=_dcc ._dgf .Discard (4);
return _be .PdfObjectNull {},_aee ;};func (_ece *fdfParser )readAtLeast (_ag []byte ,_ega int )(int ,error ){_cg :=_ega ;_deg :=0;_acg :=0;for _cg > 0{_fb ,_ca :=_ece ._dgf .Read (_ag [_deg :]);if _ca !=nil {_gf .Log .Debug ("\u0045\u0052\u0052O\u0052\u0020\u0046\u0061i\u006c\u0065\u0064\u0020\u0072\u0065\u0061d\u0069\u006e\u0067\u0020\u0028\u0025\u0064\u003b\u0025\u0064\u0029\u0020\u0025\u0073",_fb ,_acg ,_ca .Error ());
return _deg ,_e .New ("\u0066\u0061\u0069\u006c\u0065\u0064\u0020\u0072\u0065a\u0064\u0069\u006e\u0067");};_acg ++;_deg +=_fb ;_cg -=_fb ;};return _deg ,nil ;};var _gc =_c .MustCompile ("\u0025\u0025\u0045O\u0046");func _bdd (_cded _d .ReadSeeker )(*fdfParser ,error ){_bad :=&fdfParser {};
_bad ._beg =_cded ;_bad ._gg =map[int64 ]_be .PdfObject {};_fce ,_egg ,_ggb :=_bad .parseFdfVersion ();if _ggb !=nil {_gf .Log .Error ("U\u006e\u0061\u0062\u006c\u0065\u0020t\u006f\u0020\u0070\u0061\u0072\u0073\u0065\u0020\u0076e\u0072\u0073\u0069o\u006e:\u0020\u0025\u0076",_ggb );
return nil ,_ggb ;};_bad ._bdb =_fce ;_bad ._cgd =_egg ;_ggb =_bad .parse ();return _bad ,_ggb ;};func (_cgdg *fdfParser )parseArray ()(*_be .PdfObjectArray ,error ){_gdc :=_be .MakeArray ();_cgdg ._dgf .ReadByte ();for {_cgdg .skipSpaces ();_dd ,_gfe :=_cgdg ._dgf .Peek (1);
if _gfe !=nil {return _gdc ,_gfe ;};if _dd [0]==']'{_cgdg ._dgf .ReadByte ();break ;};_afad ,_gfe :=_cgdg .parseObject ();if _gfe !=nil {return _gdc ,_gfe ;};_gdc .Append (_afad );};return _gdc ,nil ;};func (_bc *fdfParser )parseName ()(_be .PdfObjectName ,error ){var _bec _f .Buffer ;
_db :=false ;for {_fgf ,_ff :=_bc ._dgf .Peek (1);if _ff ==_d .EOF {break ;};if _ff !=nil {return _be .PdfObjectName (_bec .String ()),_ff ;};if !_db {if _fgf [0]=='/'{_db =true ;_bc ._dgf .ReadByte ();}else if _fgf [0]=='%'{_bc .readComment ();_bc .skipSpaces ();
}else {_gf .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020N\u0061\u006d\u0065\u0020\u0073\u0074\u0061\u0072\u0074\u0069\u006e\u0067\u0020w\u0069\u0074\u0068\u0020\u0025\u0073\u0020(\u0025\u0020\u0078\u0029",_fgf ,_fgf );return _be .PdfObjectName (_bec .String ()),_cd .Errorf ("\u0069n\u0076a\u006c\u0069\u0064\u0020\u006ea\u006d\u0065:\u0020\u0028\u0025\u0063\u0029",_fgf [0]);
};}else {if _be .IsWhiteSpace (_fgf [0]){break ;}else if (_fgf [0]=='/')||(_fgf [0]=='[')||(_fgf [0]=='(')||(_fgf [0]==']')||(_fgf [0]=='<')||(_fgf [0]=='>'){break ;}else if _fgf [0]=='#'{_dag ,_cf :=_bc ._dgf .Peek (3);if _cf !=nil {return _be .PdfObjectName (_bec .String ()),_cf ;
};_bc ._dgf .Discard (3);_eeb ,_cf :=_cdc .DecodeString (string (_dag [1:3]));if _cf !=nil {return _be .PdfObjectName (_bec .String ()),_cf ;};_bec .Write (_eeb );}else {_cdb ,_ :=_bc ._dgf .ReadByte ();_bec .WriteByte (_cdb );};};};return _be .PdfObjectName (_bec .String ()),nil ;
};var _eca =_c .MustCompile ("\u0028\u005c\u0064\u002b)\\\u0073\u002b\u0028\u005c\u0064\u002b\u0029\u005c\u0073\u002b\u006f\u0062\u006a");var _ga =_c .MustCompile ("^\u005c\u0073\u002a\u0028\\d\u002b)\u005c\u0073\u002b\u0028\u005cd\u002b\u0029\u005c\u0073\u002b\u0052");
func (_afd *fdfParser )getFileOffset ()int64 {_agf ,_ :=_afd ._beg .Seek (0,_d .SeekCurrent );_agf -=int64 (_afd ._dgf .Buffered ());return _agf ;};var _bf =_c .MustCompile ("\u005e\u005b\u005c+-\u002e\u005d\u002a\u0028\u005b\u0030\u002d\u0039\u002e]\u002b)\u0065[\u005c+\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d\u0039\u002e\u005d\u002b\u0029");


// Data represents forms data format (FDF) file data.
type Data struct{_df *_be .PdfObjectDictionary ;_ea *_be .PdfObjectArray ;};func (_eadg *fdfParser )parse ()error {_eadg ._beg .Seek (0,_d .SeekStart );_eadg ._dgf =_ef .NewReader (_eadg ._beg );for {_eadg .skipComments ();_ggeg ,_ddb :=_eadg ._dgf .Peek (20);
if _ddb !=nil {_gf .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0046\u0061\u0069\u006c\u0020\u0074\u006f\u0020r\u0065a\u0064\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a");return _ddb ;};if _ec .HasPrefix (string (_ggeg ),"\u0074r\u0061\u0069\u006c\u0065\u0072"){_eadg ._dgf .Discard (7);
_eadg .skipSpaces ();_eadg .skipComments ();_fdba ,_ :=_eadg .parseDict ();_eadg ._gga =_fdba ;break ;};_gag :=_eca .FindStringSubmatchIndex (string (_ggeg ));if len (_gag )< 6{_gf .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020U\u006e\u0061\u0062l\u0065\u0020\u0074\u006f \u0066\u0069\u006e\u0064\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u0073\u0069\u0067\u006e\u0061\u0074\u0075\u0072\u0065\u0020\u0028\u0025\u0073\u0029",string (_ggeg ));
return _e .New ("\u0075\u006e\u0061b\u006c\u0065\u0020\u0074\u006f\u0020\u0064\u0065\u0074\u0065\u0063\u0074\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020s\u0069\u0067\u006e\u0061\u0074\u0075\u0072\u0065");
};_cdf ,_ddb :=_eadg .parseIndirectObject ();if _ddb !=nil {return _ddb ;};switch _cbf :=_cdf .(type ){case *_be .PdfIndirectObject :_eadg ._gg [_cbf .ObjectNumber ]=_cbf ;case *_be .PdfObjectStream :_eadg ._gg [_cbf .ObjectNumber ]=_cbf ;default:return _e .New ("\u0074\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");
};};return nil ;};func (_cac *fdfParser )parseObject ()(_be .PdfObject ,error ){_gf .Log .Trace ("\u0052e\u0061d\u0020\u0064\u0069\u0072\u0065c\u0074\u0020o\u0062\u006a\u0065\u0063\u0074");_cac .skipSpaces ();for {_ab ,_bcea :=_cac ._dgf .Peek (2);if _bcea !=nil {return nil ,_bcea ;
};_gf .Log .Trace ("\u0050e\u0065k\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u003a\u0020\u0025\u0073",string (_ab ));if _ab [0]=='/'{_gaf ,_agfc :=_cac .parseName ();_gf .Log .Trace ("\u002d\u003e\u004ea\u006d\u0065\u003a\u0020\u0027\u0025\u0073\u0027",_gaf );
return &_gaf ,_agfc ;}else if _ab [0]=='('{_gf .Log .Trace ("\u002d>\u0053\u0074\u0072\u0069\u006e\u0067!");return _cac .parseString ();}else if _ab [0]=='['{_gf .Log .Trace ("\u002d\u003e\u0041\u0072\u0072\u0061\u0079\u0021");return _cac .parseArray ();
}else if (_ab [0]=='<')&&(_ab [1]=='<'){_gf .Log .Trace ("\u002d>\u0044\u0069\u0063\u0074\u0021");return _cac .parseDict ();}else if _ab [0]=='<'{_gf .Log .Trace ("\u002d\u003e\u0048\u0065\u0078\u0020\u0073\u0074\u0072\u0069\u006e\u0067\u0021");return _cac .parseHexString ();
}else if _ab [0]=='%'{_cac .readComment ();_cac .skipSpaces ();}else {_gf .Log .Trace ("\u002d\u003eN\u0075\u006d\u0062e\u0072\u0020\u006f\u0072\u0020\u0072\u0065\u0066\u003f");_ab ,_ =_cac ._dgf .Peek (15);_dad :=string (_ab );_gf .Log .Trace ("\u0050\u0065\u0065k\u0020\u0073\u0074\u0072\u003a\u0020\u0025\u0073",_dad );
if (len (_dad )> 3)&&(_dad [:4]=="\u006e\u0075\u006c\u006c"){_ad ,_ddd :=_cac .parseNull ();return &_ad ,_ddd ;}else if (len (_dad )> 4)&&(_dad [:5]=="\u0066\u0061\u006cs\u0065"){_ddc ,_egdb :=_cac .parseBool ();return &_ddc ,_egdb ;}else if (len (_dad )> 3)&&(_dad [:4]=="\u0074\u0072\u0075\u0065"){_gbcf ,_dca :=_cac .parseBool ();
return &_gbcf ,_dca ;};_fga :=_ga .FindStringSubmatch (_dad );if len (_fga )> 1{_ab ,_ =_cac ._dgf .ReadBytes ('R');_gf .Log .Trace ("\u002d\u003e\u0020\u0021\u0052\u0065\u0066\u003a\u0020\u0027\u0025\u0073\u0027",string (_ab [:]));_bac ,_fab :=_ecab (string (_ab ));
return &_bac ,_fab ;};_aa :=_bb .FindStringSubmatch (_dad );if len (_aa )> 1{_gf .Log .Trace ("\u002d\u003e\u0020\u004e\u0075\u006d\u0062\u0065\u0072\u0021");return _cac .parseNumber ();};_aa =_bf .FindStringSubmatch (_dad );if len (_aa )> 1{_gf .Log .Trace ("\u002d\u003e\u0020\u0045xp\u006f\u006e\u0065\u006e\u0074\u0069\u0061\u006c\u0020\u004e\u0075\u006d\u0062\u0065r\u0021");
_gf .Log .Trace ("\u0025\u0020\u0073",_aa );return _cac .parseNumber ();};_gf .Log .Debug ("\u0045R\u0052\u004f\u0052\u0020U\u006e\u006b\u006e\u006f\u0077n\u0020(\u0070e\u0065\u006b\u0020\u0022\u0025\u0073\u0022)",_dad );return nil ,_e .New ("\u006f\u0062\u006a\u0065\u0063t\u0020\u0070\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0065\u0072\u0072\u006fr\u0020\u002d\u0020\u0075\u006e\u0065\u0078\u0070\u0065\u0063\u0074\u0065\u0064\u0020\u0070\u0061\u0074\u0074\u0065\u0072\u006e");
};};};

// Root returns the Root of the FDF document.
func (_edg *fdfParser )Root ()(*_be .PdfObjectDictionary ,error ){if _edg ._gga !=nil {if _gge ,_dddd :=_edg .trace (_edg ._gga .Get ("\u0052\u006f\u006f\u0074")).(*_be .PdfObjectDictionary );_dddd {if _gaaa ,_fee :=_edg .trace (_gge .Get ("\u0046\u0044\u0046")).(*_be .PdfObjectDictionary );
_fee {return _gaaa ,nil ;};};};var _bca []int64 ;for _cbe :=range _edg ._gg {_bca =append (_bca ,_cbe );};_b .Slice (_bca ,func (_bdg ,_cdbd int )bool {return _bca [_bdg ]< _bca [_cdbd ]});for _ ,_eaa :=range _bca {_dda :=_edg ._gg [_eaa ];if _agcd ,_ecf :=_edg .trace (_dda ).(*_be .PdfObjectDictionary );
_ecf {if _fabc ,_fgbg :=_edg .trace (_agcd .Get ("\u0046\u0044\u0046")).(*_be .PdfObjectDictionary );_fgbg {return _fabc ,nil ;};};};return nil ,_e .New ("\u0046\u0044\u0046\u0020\u006e\u006f\u0074\u0020\u0066\u006f\u0075\u006e\u0064");};var _bb =_c .MustCompile ("\u005e\u005b\u005c\u002b\u002d\u002e\u005d\u002a\u0028\u005b\u0030\u002d9\u002e\u005d\u002b\u0029");
func (_acf *fdfParser )readTextLine ()(string ,error ){var _eac _f .Buffer ;for {_fbg ,_ggg :=_acf ._dgf .Peek (1);if _ggg !=nil {_gf .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_ggg .Error ());return _eac .String (),_ggg ;};if (_fbg [0]!='\r')&&(_fbg [0]!='\n'){_fcc ,_ :=_acf ._dgf .ReadByte ();
_eac .WriteByte (_fcc );}else {break ;};};return _eac .String (),nil ;};func (_agd *fdfParser )setFileOffset (_agfe int64 ){_agd ._beg .Seek (_agfe ,_d .SeekStart );_agd ._dgf =_ef .NewReader (_agd ._beg );};func _feg (_ecb string )(*fdfParser ,error ){_ggab :=fdfParser {};
_cba :=[]byte (_ecb );_ceb :=_f .NewReader (_cba );_ggab ._beg =_ceb ;_ggab ._gg =map[int64 ]_be .PdfObject {};_aeed :=_ef .NewReader (_ceb );_ggab ._dgf =_aeed ;_ggab ._egb =int64 (len (_ecb ));return &_ggab ,_ggab .parse ();};func (_agg *fdfParser )parseHexString ()(*_be .PdfObjectString ,error ){_agg ._dgf .ReadByte ();
var _ggge _f .Buffer ;for {_bdbb ,_ecae :=_agg ._dgf .Peek (1);if _ecae !=nil {return _be .MakeHexString (""),_ecae ;};if _bdbb [0]=='>'{_agg ._dgf .ReadByte ();break ;};_aggb ,_ :=_agg ._dgf .ReadByte ();if !_be .IsWhiteSpace (_aggb ){_ggge .WriteByte (_aggb );
};};if _ggge .Len ()%2==1{_ggge .WriteRune ('0');};_dfa ,_gbb :=_cdc .DecodeString (_ggge .String ());if _gbb !=nil {_gf .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u0020\u0050\u0061\u0072\u0073\u0069\u006e\u0067\u0020\u0068\u0065\u0078\u0020\u0073\u0074r\u0069\u006e\u0067\u003a\u0020\u0027\u0025\u0073\u0027 \u002d\u0020\u0072\u0065\u0074\u0075\u0072\u006e\u0069\u006e\u0067\u0020\u0061n\u0020\u0065\u006d\u0070\u0074\u0079 \u0073\u0074\u0072i\u006e\u0067",_ggge .String ());
return _be .MakeHexString (""),nil ;};return _be .MakeHexString (string (_dfa )),nil ;};func (_bg *fdfParser )skipComments ()error {if _ ,_cb :=_bg .skipSpaces ();_cb !=nil {return _cb ;};_dae :=true ;for {_dfc ,_ded :=_bg ._dgf .Peek (1);if _ded !=nil {_gf .Log .Debug ("\u0045\u0072\u0072\u006f\u0072\u0020\u0025\u0073",_ded .Error ());
return _ded ;};if _dae &&_dfc [0]!='%'{return nil ;};_dae =false ;if (_dfc [0]!='\r')&&(_dfc [0]!='\n'){_bg ._dgf .ReadByte ();}else {break ;};};return _bg .skipComments ();};func (_efg *fdfParser )trace (_bba _be .PdfObject )_be .PdfObject {switch _gac :=_bba .(type ){case *_be .PdfObjectReference :_dcg ,_feb :=_efg ._gg [_gac .ObjectNumber ].(*_be .PdfIndirectObject );
if _feb {return _dcg .PdfObject ;};_gf .Log .Debug ("\u0054\u0079\u0070\u0065\u0020\u0065\u0072\u0072\u006f\u0072");return nil ;case *_be .PdfIndirectObject :return _gac .PdfObject ;};return _bba ;};

// FieldDictionaries returns a map of field names to field dictionaries.
func (fdf *Data )FieldDictionaries ()(map[string ]*_be .PdfObjectDictionary ,error ){_fa :=map[string ]*_be .PdfObjectDictionary {};for _cdd :=0;_cdd < fdf ._ea .Len ();_cdd ++{_cea ,_eag :=_be .GetDict (fdf ._ea .Get (_cdd ));if _eag {_cdg ,_ :=_be .GetString (_cea .Get ("\u0054"));
if _cdg !=nil {_fa [_cdg .Str ()]=_cea ;};};};return _fa ,nil ;};

// LoadFromPath loads FDF form data from file path `fdfPath`.
func LoadFromPath (fdfPath string )(*Data ,error ){_ce ,_ac :=_g .Open (fdfPath );if _ac !=nil {return nil ,_ac ;};defer _ce .Close ();return Load (_ce );};func (_bcad *fdfParser )seekFdfVersionTopDown ()(int ,int ,error ){_bcad ._beg .Seek (0,_d .SeekStart );
_bcad ._dgf =_ef .NewReader (_bcad ._beg );_gba :=20;_gee :=make ([]byte ,_gba );for {_aefa ,_ecaef :=_bcad ._dgf .ReadByte ();if _ecaef !=nil {if _ecaef ==_d .EOF {break ;}else {return 0,0,_ecaef ;};};if _be .IsDecimalDigit (_aefa )&&_gee [_gba -1]=='.'&&_be .IsDecimalDigit (_gee [_gba -2])&&_gee [_gba -3]=='-'&&_gee [_gba -4]=='F'&&_gee [_gba -5]=='D'&&_gee [_gba -6]=='P'{_edd :=int (_gee [_gba -2]-'0');
_aacd :=int (_aefa -'0');return _edd ,_aacd ,nil ;};_gee =append (_gee [1:_gba ],_aefa );};return 0,0,_e .New ("\u0076\u0065\u0072\u0073\u0069\u006f\u006e\u0020\u006e\u006f\u0074\u0020f\u006f\u0075\u006e\u0064");};func (_ecag *fdfParser )parseIndirectObject ()(_be .PdfObject ,error ){_fgd :=_be .PdfIndirectObject {};
_gf .Log .Trace ("\u002dR\u0065a\u0064\u0020\u0069\u006e\u0064i\u0072\u0065c\u0074\u0020\u006f\u0062\u006a");_acga ,_abf :=_ecag ._dgf .Peek (20);if _abf !=nil {_gf .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0046\u0061\u0069\u006c\u0020\u0074\u006f\u0020r\u0065a\u0064\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a");
return &_fgd ,_abf ;};_gf .Log .Trace ("\u0028\u0069\u006edi\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0020\u0070\u0065\u0065\u006b\u0020\u0022\u0025\u0073\u0022",string (_acga ));_ecd :=_eca .FindStringSubmatchIndex (string (_acga ));if len (_ecd )< 6{_gf .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020U\u006e\u0061\u0062l\u0065\u0020\u0074\u006f \u0066\u0069\u006e\u0064\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u0073\u0069\u0067\u006e\u0061\u0074\u0075\u0072\u0065\u0020\u0028\u0025\u0073\u0029",string (_acga ));
return &_fgd ,_e .New ("\u0075\u006e\u0061b\u006c\u0065\u0020\u0074\u006f\u0020\u0064\u0065\u0074\u0065\u0063\u0074\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020s\u0069\u0067\u006e\u0061\u0074\u0075\u0072\u0065");
};_ecag ._dgf .Discard (_ecd [0]);_gf .Log .Trace ("O\u0066\u0066\u0073\u0065\u0074\u0073\u0020\u0025\u0020\u0064",_ecd );_dbe :=_ecd [1]-_ecd [0];_bdf :=make ([]byte ,_dbe );_ ,_abf =_ecag .readAtLeast (_bdf ,_dbe );if _abf !=nil {_gf .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020\u0075\u006e\u0061\u0062l\u0065\u0020\u0074\u006f\u0020\u0072\u0065\u0061\u0064\u0020-\u0020\u0025\u0073",_abf );
return nil ,_abf ;};_gf .Log .Trace ("\u0074\u0065\u0078t\u006c\u0069\u006e\u0065\u003a\u0020\u0025\u0073",_bdf );_cde :=_eca .FindStringSubmatch (string (_bdf ));if len (_cde )< 3{_gf .Log .Debug ("\u0045\u0052\u0052\u004f\u0052\u003a\u0020U\u006e\u0061\u0062l\u0065\u0020\u0074\u006f \u0066\u0069\u006e\u0064\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u0073\u0069\u0067\u006e\u0061\u0074\u0075\u0072\u0065\u0020\u0028\u0025\u0073\u0029",string (_bdf ));
return &_fgd ,_e .New ("\u0075\u006e\u0061b\u006c\u0065\u0020\u0074\u006f\u0020\u0064\u0065\u0074\u0065\u0063\u0074\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020s\u0069\u0067\u006e\u0061\u0074\u0075\u0072\u0065");
};_fbfe ,_ :=_af .Atoi (_cde [1]);_ebg ,_ :=_af .Atoi (_cde [2]);_fgd .ObjectNumber =int64 (_fbfe );_fgd .GenerationNumber =int64 (_ebg );for {_degd ,_bge :=_ecag ._dgf .Peek (2);if _bge !=nil {return &_fgd ,_bge ;};_gf .Log .Trace ("I\u006ed\u002e\u0020\u0070\u0065\u0065\u006b\u003a\u0020%\u0073\u0020\u0028\u0025 x\u0029\u0021",string (_degd ),string (_degd ));
if _be .IsWhiteSpace (_degd [0]){_ecag .skipSpaces ();}else if _degd [0]=='%'{_ecag .skipComments ();}else if (_degd [0]=='<')&&(_degd [1]=='<'){_gf .Log .Trace ("\u0043\u0061\u006c\u006c\u0020\u0050\u0061\u0072\u0073e\u0044\u0069\u0063\u0074");_fgd .PdfObject ,_bge =_ecag .parseDict ();
_gf .Log .Trace ("\u0045\u004f\u0046\u0020Ca\u006c\u006c\u0020\u0050\u0061\u0072\u0073\u0065\u0044\u0069\u0063\u0074\u003a\u0020%\u0076",_bge );if _bge !=nil {return &_fgd ,_bge ;};_gf .Log .Trace ("\u0050\u0061\u0072\u0073\u0065\u0064\u0020\u0064\u0069\u0063t\u0069\u006f\u006e\u0061\u0072\u0079\u002e.\u002e\u0020\u0066\u0069\u006e\u0069\u0073\u0068\u0065\u0064\u002e");
}else if (_degd [0]=='/')||(_degd [0]=='(')||(_degd [0]=='[')||(_degd [0]=='<'){_fgd .PdfObject ,_bge =_ecag .parseObject ();if _bge !=nil {return &_fgd ,_bge ;};_gf .Log .Trace ("P\u0061\u0072\u0073\u0065\u0064\u0020o\u0062\u006a\u0065\u0063\u0074\u0020\u002e\u002e\u002e \u0066\u0069\u006ei\u0073h\u0065\u0064\u002e");
}else {if _degd [0]=='e'{_dfe ,_aac :=_ecag .readTextLine ();if _aac !=nil {return nil ,_aac ;};if len (_dfe )>=6&&_dfe [0:6]=="\u0065\u006e\u0064\u006f\u0062\u006a"{break ;};}else if _degd [0]=='s'{_degd ,_ =_ecag ._dgf .Peek (10);if string (_degd [:6])=="\u0073\u0074\u0072\u0065\u0061\u006d"{_aag :=6;
if len (_degd )> 6{if _be .IsWhiteSpace (_degd [_aag ])&&_degd [_aag ]!='\r'&&_degd [_aag ]!='\n'{_gf .Log .Debug ("\u004e\u006fn\u002d\u0063\u006f\u006e\u0066\u006f\u0072\u006d\u0061\u006e\u0074\u0020\u0046\u0044\u0046\u0020\u006e\u006f\u0074 \u0065\u006e\u0064\u0069\u006e\u0067 \u0073\u0074\u0072\u0065\u0061\u006d\u0020\u006c\u0069\u006e\u0065\u0020\u0070\u0072o\u0070\u0065r\u006c\u0079\u0020\u0077i\u0074\u0068\u0020\u0045\u004fL\u0020\u006d\u0061\u0072\u006b\u0065\u0072");
_aag ++;};if _degd [_aag ]=='\r'{_aag ++;if _degd [_aag ]=='\n'{_aag ++;};}else if _degd [_aag ]=='\n'{_aag ++;};};_ecag ._dgf .Discard (_aag );_fec ,_daa :=_fgd .PdfObject .(*_be .PdfObjectDictionary );if !_daa {return nil ,_e .New ("\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u006f\u0062\u006a\u0065\u0063\u0074\u0020\u006di\u0073s\u0069\u006e\u0067\u0020\u0064\u0069\u0063\u0074\u0069\u006f\u006e\u0061\u0072\u0079");
};_gf .Log .Trace ("\u0053\u0074\u0072\u0065\u0061\u006d\u0020\u0064\u0069c\u0074\u0020\u0025\u0073",_fec );_bgc ,_ge :=_fec .Get ("\u004c\u0065\u006e\u0067\u0074\u0068").(*_be .PdfObjectInteger );if !_ge {return nil ,_e .New ("\u0073\u0074re\u0061\u006d\u0020l\u0065\u006e\u0067\u0074h n\u0065ed\u0073\u0020\u0074\u006f\u0020\u0062\u0065 a\u006e\u0020\u0069\u006e\u0074\u0065\u0067e\u0072");
};_cab :=*_bgc ;if _cab < 0{return nil ,_e .New ("\u0073\u0074\u0072\u0065\u0061\u006d\u0020\u006e\u0065\u0065\u0064\u0073\u0020\u0074\u006f \u0062e\u0020\u006c\u006f\u006e\u0067\u0065\u0072\u0020\u0074\u0068\u0061\u006e\u0020\u0030");};if int64 (_cab )> _ecag ._egb {_gf .Log .Debug ("\u0045\u0052R\u004f\u0052\u003a\u0020\u0053t\u0072\u0065\u0061\u006d\u0020l\u0065\u006e\u0067\u0074\u0068\u0020\u0063\u0061\u006e\u006e\u006f\u0074\u0020\u0062\u0065\u0020\u006c\u0061\u0072\u0067\u0065\u0072\u0020\u0074\u0068\u0061\u006e\u0020\u0066\u0069\u006c\u0065\u0020\u0073\u0069\u007a\u0065");
return nil ,_e .New ("\u0069n\u0076\u0061l\u0069\u0064\u0020\u0073t\u0072\u0065\u0061m\u0020\u006c\u0065\u006e\u0067\u0074\u0068\u002c\u0020la\u0072\u0067\u0065r\u0020\u0074h\u0061\u006e\u0020\u0066\u0069\u006ce\u0020\u0073i\u007a\u0065");};_fgc :=make ([]byte ,_cab );
_ ,_bge =_ecag .readAtLeast (_fgc ,int (_cab ));if _bge !=nil {_gf .Log .Debug ("E\u0052\u0052\u004f\u0052 s\u0074r\u0065\u0061\u006d\u0020\u0028%\u0064\u0029\u003a\u0020\u0025\u0058",len (_fgc ),_fgc );_gf .Log .Debug ("\u0045R\u0052\u004f\u0052\u003a\u0020\u0025v",_bge );
return nil ,_bge ;};_aef :=_be .PdfObjectStream {};_aef .Stream =_fgc ;_aef .PdfObjectDictionary =_fgd .PdfObject .(*_be .PdfObjectDictionary );_aef .ObjectNumber =_fgd .ObjectNumber ;_aef .GenerationNumber =_fgd .GenerationNumber ;_ecag .skipSpaces ();
_ecag ._dgf .Discard (9);_ecag .skipSpaces ();return &_aef ,nil ;};};_fgd .PdfObject ,_bge =_ecag .parseObject ();return &_fgd ,_bge ;};};_gf .Log .Trace ("\u0052\u0065\u0074\u0075rn\u0069\u006e\u0067\u0020\u0069\u006e\u0064\u0069\u0072\u0065\u0063\u0074\u0021");
return &_fgd ,nil ;};type fdfParser struct{_bdb int ;_cgd int ;_gg map[int64 ]_be .PdfObject ;_beg _d .ReadSeeker ;_dgf *_ef .Reader ;_egb int64 ;_gga *_be .PdfObjectDictionary ;};