unipdf/fjson/fjson.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 fjson provides support for loading PDF form field data from JSON data/files.
package fjson ;import (_d "encoding/json";_ad "github.com/unidoc/unipdf/v3/common";_fb "github.com/unidoc/unipdf/v3/core";_f "github.com/unidoc/unipdf/v3/model";_a "io";_da "os";);

// FieldValues implements model.FieldValueProvider interface.
func (_bg *FieldData )FieldValues ()(map[string ]_fb .PdfObject ,error ){_bfg :=make (map[string ]_fb .PdfObject );for _ ,_gd :=range _bg ._g {if len (_gd .Value )> 0{_bfg [_gd .Name ]=_fb .MakeString (_gd .Value );};};return _bfg ,nil ;};

// SetImageFromFile assign image file to a specific field identified by fieldName.
func (_bfba *FieldData )SetImageFromFile (fieldName string ,imagePath string ,opt []string )error {_dcc ,_bfc :=_da .Open (imagePath );if _bfc !=nil {return _bfc ;};defer _dcc .Close ();_cfe ,_bfc :=_f .ImageHandling .Read (_dcc );if _bfc !=nil {_ad .Log .Error ("\u0045\u0072\u0072or\u0020\u006c\u006f\u0061\u0064\u0069\u006e\u0067\u0020\u0069\u006d\u0061\u0067\u0065\u003a\u0020\u0025\u0073",_bfc );
return _bfc ;};return _bfba .SetImage (fieldName ,_cfe ,opt );};

// LoadFromJSONFile loads form field data from a JSON file.
func LoadFromJSONFile (filePath string )(*FieldData ,error ){_ga ,_ea :=_da .Open (filePath );if _ea !=nil {return nil ,_ea ;};defer _ga .Close ();return LoadFromJSON (_ga );};

// JSON returns the field data as a string in JSON format.
func (_ae FieldData )JSON ()(string ,error ){_bd ,_bfd :=_d .MarshalIndent (_ae ._g ,"","\u0020\u0020\u0020\u0020");return string (_bd ),_bfd ;};

// LoadFromPDFFile loads form field data from a PDF file.
func LoadFromPDFFile (filePath string )(*FieldData ,error ){_dg ,_ee :=_da .Open (filePath );if _ee !=nil {return nil ,_ee ;};defer _dg .Close ();return LoadFromPDF (_dg );};

// FieldImageValues implements model.FieldImageProvider interface.
func (_fc *FieldData )FieldImageValues ()(map[string ]*_f .Image ,error ){_gda :=make (map[string ]*_f .Image );for _ ,_aee :=range _fc ._g {if _aee .ImageValue !=nil {_gda [_aee .Name ]=_aee .ImageValue ;};};return _gda ,nil ;};

// FieldData represents form field data loaded from JSON file.
type FieldData struct{_g []fieldValue };type fieldValue struct{Name string `json:"name"`;Value string `json:"value"`;ImageValue *_f .Image `json:"-"`;

// Options lists allowed values if present.
Options []string `json:"options,omitempty"`;};

// LoadFromPDF loads form field data from a PDF.
func LoadFromPDF (rs _a .ReadSeeker )(*FieldData ,error ){_b ,_fbb :=_f .NewPdfReader (rs );if _fbb !=nil {return nil ,_fbb ;};if _b .AcroForm ==nil {return nil ,nil ;};var _ed []fieldValue ;_acg :=_b .AcroForm .AllFields ();for _ ,_be :=range _acg {var _fe []string ;
_cf :=make (map[string ]struct{});_aa ,_add :=_be .FullName ();if _add !=nil {return nil ,_add ;};if _ec ,_fea :=_be .V .(*_fb .PdfObjectString );_fea {_ed =append (_ed ,fieldValue {Name :_aa ,Value :_ec .Decoded ()});continue ;};var _dc string ;for _ ,_beb :=range _be .Annotations {_fead ,_eae :=_fb .GetName (_beb .AS );
if _eae {_dc =_fead .String ();};_adc ,_gg :=_fb .GetDict (_beb .AP );if !_gg {continue ;};_ff ,_ :=_fb .GetDict (_adc .Get ("\u004e"));for _ ,_ggd :=range _ff .Keys (){_ce :=_ggd .String ();if _ ,_eb :=_cf [_ce ];!_eb {_fe =append (_fe ,_ce );_cf [_ce ]=struct{}{};
};};_ede ,_ :=_fb .GetDict (_adc .Get ("\u0044"));for _ ,_cc :=range _ede .Keys (){_gb :=_cc .String ();if _ ,_eg :=_cf [_gb ];!_eg {_fe =append (_fe ,_gb );_cf [_gb ]=struct{}{};};};};_ca :=fieldValue {Name :_aa ,Value :_dc ,Options :_fe };_ed =append (_ed ,_ca );
};_db :=FieldData {_g :_ed };return &_db ,nil ;};

// SetImage assign model.Image to a specific field identified by fieldName.
func (_bc *FieldData )SetImage (fieldName string ,img *_f .Image ,opt []string )error {_cee :=fieldValue {Name :fieldName ,ImageValue :img ,Options :opt };_bc ._g =append (_bc ._g ,_cee );return nil ;};

// LoadFromJSON loads JSON form data from `r`.
func LoadFromJSON (r _a .Reader )(*FieldData ,error ){var _ac FieldData ;_c :=_d .NewDecoder (r ).Decode (&_ac ._g );if _c !=nil {return nil ,_c ;};return &_ac ,nil ;};