1 files changed, 193 insertions, 0 deletions
diff --git a/unipdf/model/xmputil/xmputil.go b/unipdf/model/xmputil/xmputil.go
new file mode 100644
index 0000000..fbc6bc3
--- /dev/null
+++ b/unipdf/model/xmputil/xmputil.go
@@ -0,0 +1,193 @@
+//
+// 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 xmputil provides abstraction used by the pdf document XMP Metadata.
+package xmputil ;import (_cc "errors";_af "fmt";_g "github.com/trimmer-io/go-xmp/models/pdf";_e "github.com/trimmer-io/go-xmp/models/xmp_base";_d "github.com/trimmer-io/go-xmp/models/xmp_mm";_a "github.com/trimmer-io/go-xmp/xmp";_bfg "github.com/unidoc/unipdf/v4/core";
+_fe "github.com/unidoc/unipdf/v4/internal/timeutils";_bf "github.com/unidoc/unipdf/v4/internal/uuid";_f "github.com/unidoc/unipdf/v4/model/xmputil/pdfaextension";_fa "github.com/unidoc/unipdf/v4/model/xmputil/pdfaid";_c "strconv";_bd "time";);
+
+// PdfInfoOptions are the options used for setting pdf info.
+type PdfInfoOptions struct{InfoDict _bfg .PdfObject ;PdfVersion string ;Copyright string ;Marked bool ;
+
+// Overwrite if set to true, overwrites all values found in the current pdf info xmp model to the ones provided.
+Overwrite bool ;};
+
+// MediaManagementVersion is the version of the media management xmp metadata.
+type MediaManagementVersion struct{VersionID string ;ModifyDate _bd .Time ;Comments string ;Modifier string ;};
+
+// MarshalIndent the document into xml byte stream with predefined prefix and indent.
+func (_gc *Document )MarshalIndent (prefix ,indent string )([]byte ,error ){if _gc ._df .IsDirty (){if _ad :=_gc ._df .SyncModels ();_ad !=nil {return nil ,_ad ;};};return _a .MarshalIndent (_gc ._df ,prefix ,indent );};
+
+// NewDocument creates a new document without any previous xmp information.
+func NewDocument ()*Document {_ee :=_a .NewDocument ();return &Document {_df :_ee }};
+
+// SetMediaManagement sets up XMP media management metadata: namespace xmpMM.
+func (_ef *Document )SetMediaManagement (options *MediaManagementOptions )error {_fg ,_ab :=_d .MakeModel (_ef ._df );if _ab !=nil {return _ab ;};if options ==nil {options =new (MediaManagementOptions );};_fee :=_d .ResourceRef {};switch {case options .DocumentID !="":_fg .DocumentID =_a .GUID (options .DocumentID );
+case options .NewDocumentID ||_fg .DocumentID .IsZero ():if !_fg .DocumentID .IsZero (){_fee .DocumentID =_fg .DocumentID ;};_ec ,_ac :=_bf .NewUUID ();if _ac !=nil {return _ac ;};_fg .DocumentID =_a .GUID (_ec .String ());};if !_fg .InstanceID .IsZero (){_fee .InstanceID =_fg .InstanceID ;
+};_fg .InstanceID =_a .GUID (options .InstanceID );if _fg .InstanceID ==""{_eag ,_bdc :=_bf .NewUUID ();if _bdc !=nil {return _bdc ;};_fg .InstanceID =_a .GUID (_eag .String ());};if !_fee .IsZero (){_fg .DerivedFrom =&_fee ;};_ba :=options .VersionID ;
+if _fg .VersionID !=""{_db ,_afd :=_c .Atoi (_fg .VersionID );if _afd !=nil {_ba =_c .Itoa (len (_fg .Versions )+1);}else {_ba =_c .Itoa (_db +1);};};if _ba ==""{_ba ="\u0031";};_fg .VersionID =_ba ;if _ab =_fg .SyncToXMP (_ef ._df );_ab !=nil {return _ab ;
+};return nil ;};
+
+// GetPdfaExtensionSchemas gets a pdfa extension schemas.
+func (_eb *Document )GetPdfaExtensionSchemas ()([]_f .Schema ,error ){_cgb :=_eb ._df .FindModel (_f .Namespace );if _cgb ==nil {return nil ,nil ;};_eec ,_ae :=_cgb .(*_f .Model );if !_ae {return nil ,_af .Errorf ("\u0069\u006eva\u006c\u0069\u0064 \u006d\u006f\u0064\u0065l f\u006fr \u0070\u0064\u0066\u0061\u0045\u0078\u0074en\u0073\u0069\u006f\u006e\u0073\u003a\u0020%\u0054",_cgb );
+};return _eec .Schemas ,nil ;};
+
+// MediaManagementDerivedFrom is a structure that contains references of identifiers and versions
+// from which given document was derived.
+type MediaManagementDerivedFrom struct{OriginalDocumentID GUID ;DocumentID GUID ;InstanceID GUID ;VersionID string ;};
+
+// GetMediaManagement gets the media management metadata from provided xmp document.
+func (_fgd *Document )GetMediaManagement ()(*MediaManagement ,bool ){_cd :=_d .FindModel (_fgd ._df );if _cd ==nil {return nil ,false ;};_gef :=make ([]MediaManagementVersion ,len (_cd .Versions ));for _bdg ,_abc :=range _cd .Versions {_gef [_bdg ]=MediaManagementVersion {VersionID :_abc .Version ,ModifyDate :_abc .ModifyDate .Value (),Comments :_abc .Comments ,Modifier :_abc .Modifier };
+};_dbb :=&MediaManagement {OriginalDocumentID :GUID (_cd .OriginalDocumentID .Value ()),DocumentID :GUID (_cd .DocumentID .Value ()),InstanceID :GUID (_cd .InstanceID .Value ()),VersionID :_cd .VersionID ,Versions :_gef };if _cd .DerivedFrom !=nil {_dbb .DerivedFrom =&MediaManagementDerivedFrom {OriginalDocumentID :GUID (_cd .DerivedFrom .OriginalDocumentID ),DocumentID :GUID (_cd .DerivedFrom .DocumentID ),InstanceID :GUID (_cd .DerivedFrom .InstanceID ),VersionID :_cd .DerivedFrom .VersionID };
+};return _dbb ,true ;};
+
+// GetGoXmpDocument gets direct access to the go-xmp.Document.
+// All changes done to specified document would result in change of this document 'd'.
+func (_gd *Document )GetGoXmpDocument ()*_a .Document {return _gd ._df };
+
+// MediaManagement are the values from the document media management metadata.
+type MediaManagement struct{
+
+// OriginalDocumentID  as media is imported and projects is started, an original-document ID
+// must be created to identify a new document. This identifies a document as a conceptual entity.
+OriginalDocumentID GUID ;
+
+// DocumentID when a document is copied to a new file path or converted to a new format with
+// Save As, another new document ID should usually be assigned. This identifies a general version or
+// branch of a document. You can use it to track different versions or extracted portions of a document
+// with the same original-document ID.
+DocumentID GUID ;
+
+// InstanceID to track a document’s editing history, you must assign a new instance ID
+// whenever a document is saved after any changes. This uniquely identifies an exact version of a
+// document. It is used in resource references (to identify both the document or part itself and the
+// referenced or referencing documents), and in document-history resource events (to identify the
+// document instance that resulted from the change).
+InstanceID GUID ;
+
+// DerivedFrom references the source document from which this one is derived,
+// typically through a Save As operation that changes the file name or format. It is a minimal reference;
+// missing components can be assumed to be unchanged. For example, a new version might only need
+// to specify the instance ID and version number of the previous version, or a rendition might only need
+// to specify the instance ID and rendition class of the original.
+DerivedFrom *MediaManagementDerivedFrom ;
+
+// VersionID are meant to associate the document with a product version that is part of a release process. They can be useful in tracking the
+// document history, but should not be used to identify a document uniquely in any context.
+// Usually it simply works by incrementing integers 1,2,3...
+VersionID string ;
+
+// Versions is the history of the document versions along with the comments, timestamps and issuers.
+Versions []MediaManagementVersion ;};
+
+// MediaManagementOptions are the options for the Media management xmp metadata.
+type MediaManagementOptions struct{
+
+// OriginalDocumentID  as media is imported and projects is started, an original-document ID
+// must be created to identify a new document. This identifies a document as a conceptual entity.
+// By default, this value is generated.
+OriginalDocumentID string ;
+
+// NewDocumentID is a flag which generates a new Document identifier while setting media management.
+// This value should be set to true only if the document is stored and saved as new document.
+// Otherwise, if the document is modified and overwrites previous file, it should be set to false.
+NewDocumentID bool ;
+
+// DocumentID when a document is copied to a new file path or converted to a new format with
+// Save As, another new document ID should usually be assigned. This identifies a general version or
+// branch of a document. You can use it to track different versions or extracted portions of a document
+// with the same original-document ID.
+// By default, this value is generated if NewDocumentID is true or previous doesn't exist.
+DocumentID string ;
+
+// InstanceID to track a document’s editing history, you must assign a new instance ID
+// whenever a document is saved after any changes. This uniquely identifies an exact version of a
+// document. It is used in resource references (to identify both the document or part itself and the
+// referenced or referencing documents), and in document-history resource events (to identify the
+// document instance that resulted from the change).
+// By default, this value is generated.
+InstanceID string ;
+
+// DerivedFrom references the source document from which this one is derived,
+// typically through a Save As operation that changes the file name or format. It is a minimal reference;
+// missing components can be assumed to be unchanged. For example, a new version might only need
+// to specify the instance ID and version number of the previous version, or a rendition might only need
+// to specify the instance ID and rendition class of the original.
+// By default, the derived from structure is filled from previous XMP metadata (if exists).
+DerivedFrom string ;
+
+// VersionID are meant to associate the document with a product version that is part of a release process. They can be useful in tracking the
+// document history, but should not be used to identify a document uniquely in any context.
+// Usually it simply works by incrementing integers 1,2,3...
+// By default, this values is incremented or set to the next version number.
+VersionID string ;
+
+// ModifyComment is a comment to given modification
+ModifyComment string ;
+
+// ModifyDate is a custom modification date for the versions.
+// By default, this would be set to time.Now().
+ModifyDate _bd .Time ;
+
+// Modifier is a person who did the modification.
+Modifier string ;};
+
+// Document is an implementation of the xmp document.
+// It is a wrapper over go-xmp/xmp.Document that provides some Pdf predefined functionality.
+type Document struct{_df *_a .Document };
+
+// SetPdfAID sets up pdfaid xmp metadata.
+// In example: Part: '1' Conformance: 'B' states for PDF/A 1B.
+func (_aab *Document )SetPdfAID (part int ,conformance string )error {_cf ,_ff :=_fa .MakeModel (_aab ._df );if _ff !=nil {return _ff ;};_cf .Part =part ;_cf .Conformance =conformance ;if _gbd :=_cf .SyncToXMP (_aab ._df );_gbd !=nil {return _gbd ;};return nil ;
+};
+
+// GetPdfInfo gets the document pdf info.
+func (_fd *Document )GetPdfInfo ()(*PdfInfo ,bool ){_dee :=PdfInfo {};var _egf *_bfg .PdfObjectDictionary ;_edg :=func (_dc string ,_fac _bfg .PdfObject ){if _egf ==nil {_egf =_bfg .MakeDict ();};_egf .Set (_bfg .PdfObjectName (_dc ),_fac );};_ea ,_ced :=_fd ._df .FindModel (_g .NsPDF ).(*_g .PDFInfo );
+if !_ced {_dfe ,_bb :=_fd ._df .FindModel (_e .NsXmp ).(*_e .XmpBase );if !_bb {return nil ,false ;};if _dfe .CreatorTool !=""{_edg ("\u0043r\u0065\u0061\u0074\u006f\u0072",_bfg .MakeString (string (_dfe .CreatorTool )));};if !_dfe .CreateDate .IsZero (){_edg ("\u0043\u0072\u0065a\u0074\u0069\u006f\u006e\u0044\u0061\u0074\u0065",_bfg .MakeString (_fe .FormatPdfTime (_dfe .CreateDate .Value ())));
+};if !_dfe .ModifyDate .IsZero (){_edg ("\u004do\u0064\u0044\u0061\u0074\u0065",_bfg .MakeString (_fe .FormatPdfTime (_dfe .ModifyDate .Value ())));};_dee .InfoDict =_egf ;return &_dee ,true ;};_dee .Copyright =_ea .Copyright ;_dee .PdfVersion =_ea .PDFVersion ;
+_dee .Marked =bool (_ea .Marked );if len (_ea .Title )> 0{_edg ("\u0054\u0069\u0074l\u0065",_bfg .MakeString (_ea .Title .Default ()));};if len (_ea .Author )> 0{_edg ("\u0041\u0075\u0074\u0068\u006f\u0072",_bfg .MakeString (_ea .Author [0]));};if _ea .Keywords !=""{_edg ("\u004b\u0065\u0079\u0077\u006f\u0072\u0064\u0073",_bfg .MakeString (_ea .Keywords ));
+};if len (_ea .Subject )> 0{_edg ("\u0053u\u0062\u006a\u0065\u0063\u0074",_bfg .MakeString (_ea .Subject .Default ()));};if _ea .Creator !=""{_edg ("\u0043r\u0065\u0061\u0074\u006f\u0072",_bfg .MakeString (string (_ea .Creator )));};if _ea .Producer !=""{_edg ("\u0050\u0072\u006f\u0064\u0075\u0063\u0065\u0072",_bfg .MakeString (string (_ea .Producer )));
+};if _ea .Trapped {_edg ("\u0054r\u0061\u0070\u0070\u0065\u0064",_bfg .MakeName ("\u0054\u0072\u0075\u0065"));};if !_ea .CreationDate .IsZero (){_edg ("\u0043\u0072\u0065a\u0074\u0069\u006f\u006e\u0044\u0061\u0074\u0065",_bfg .MakeString (_fe .FormatPdfTime (_ea .CreationDate .Value ())));
+};if !_ea .ModifyDate .IsZero (){_edg ("\u004do\u0064\u0044\u0061\u0074\u0065",_bfg .MakeString (_fe .FormatPdfTime (_ea .ModifyDate .Value ())));};_dee .InfoDict =_egf ;return &_dee ,true ;};
+
+// PdfAID is the result of the XMP pdfaid metadata.
+type PdfAID struct{Part int ;Conformance string ;};
+
+// LoadDocument loads up the xmp document from provided input stream.
+func LoadDocument (stream []byte )(*Document ,error ){_cg :=_a .NewDocument ();if _gb :=_a .Unmarshal (stream ,_cg );_gb !=nil {return nil ,_gb ;};return &Document {_df :_cg },nil ;};
+
+// GUID is a string representing a globally unique identifier.
+type GUID string ;
+
+// GetPdfAID gets the pdfaid xmp metadata model.
+func (_geb *Document )GetPdfAID ()(*PdfAID ,bool ){_cea ,_daa :=_geb ._df .FindModel (_fa .Namespace ).(*_fa .Model );if !_daa {return nil ,false ;};return &PdfAID {Part :_cea .Part ,Conformance :_cea .Conformance },true ;};
+
+// SetPdfInfo sets the pdf info into selected document.
+func (_gde *Document )SetPdfInfo (options *PdfInfoOptions )error {if options ==nil {return _cc .New ("\u006ei\u006c\u0020\u0070\u0064\u0066\u0020\u006f\u0070\u0074\u0069\u006fn\u0073\u0020\u0070\u0072\u006f\u0076\u0069\u0064\u0065\u0064");};_aa ,_ed :=_g .MakeModel (_gde ._df );
+if _ed !=nil {return _ed ;};if options .Overwrite {*_aa =_g .PDFInfo {};};if options .InfoDict !=nil {_fc ,_bc :=_bfg .GetDict (options .InfoDict );if !_bc {return _af .Errorf ("i\u006e\u0076\u0061\u006c\u0069\u0064 \u0070\u0064\u0066\u0020\u006f\u0062\u006a\u0065\u0063t\u0020\u0074\u0079p\u0065:\u0020\u0025\u0054",options .InfoDict );
+};var _cgg *_bfg .PdfObjectString ;for _ ,_ge :=range _fc .Keys (){switch _ge {case "\u0054\u0069\u0074l\u0065":_cgg ,_bc =_bfg .GetString (_fc .Get ("\u0054\u0069\u0074l\u0065"));if _bc {_aa .Title =_a .NewAltString (_cgg );};case "\u0041\u0075\u0074\u0068\u006f\u0072":_cgg ,_bc =_bfg .GetString (_fc .Get ("\u0041\u0075\u0074\u0068\u006f\u0072"));
+if _bc {_aa .Author =_a .NewStringList (_cgg .String ());};case "\u004b\u0065\u0079\u0077\u006f\u0072\u0064\u0073":_cgg ,_bc =_bfg .GetString (_fc .Get ("\u004b\u0065\u0079\u0077\u006f\u0072\u0064\u0073"));if _bc {_aa .Keywords =_cgg .String ();};case "\u0043r\u0065\u0061\u0074\u006f\u0072":_cgg ,_bc =_bfg .GetString (_fc .Get ("\u0043r\u0065\u0061\u0074\u006f\u0072"));
+if _bc {_aa .Creator =_a .AgentName (_cgg .String ());};case "\u0053u\u0062\u006a\u0065\u0063\u0074":_cgg ,_bc =_bfg .GetString (_fc .Get ("\u0053u\u0062\u006a\u0065\u0063\u0074"));if _bc {_aa .Subject =_a .NewAltString (_cgg .String ());};case "\u0050\u0072\u006f\u0064\u0075\u0063\u0065\u0072":_cgg ,_bc =_bfg .GetString (_fc .Get ("\u0050\u0072\u006f\u0064\u0075\u0063\u0065\u0072"));
+if _bc {_aa .Producer =_a .AgentName (_cgg .String ());};case "\u0054r\u0061\u0070\u0070\u0065\u0064":_de ,_ggg :=_bfg .GetName (_fc .Get ("\u0054r\u0061\u0070\u0070\u0065\u0064"));if _ggg {switch _de .String (){case "\u0054\u0072\u0075\u0065":_aa .Trapped =true ;
+case "\u0046\u0061\u006cs\u0065":_aa .Trapped =false ;default:_aa .Trapped =true ;};};case "\u0043\u0072\u0065a\u0074\u0069\u006f\u006e\u0044\u0061\u0074\u0065":if _ce ,_bg :=_bfg .GetString (_fc .Get ("\u0043\u0072\u0065a\u0074\u0069\u006f\u006e\u0044\u0061\u0074\u0065"));
+_bg &&_ce .String ()!=""{_da ,_cggd :=_fe .ParsePdfTime (_ce .String ());if _cggd !=nil {return _af .Errorf ("\u0069\u006e\u0076\u0061\u006c\u0069\u0064\u0020\u0043\u0072e\u0061\u0074\u0069\u006f\u006e\u0044\u0061t\u0065\u0020\u0066\u0069\u0065\u006c\u0064\u003a\u0020\u0025\u0077",_cggd );
+};_aa .CreationDate =_a .NewDate (_da );};case "\u004do\u0064\u0044\u0061\u0074\u0065":if _ade ,_cgf :=_bfg .GetString (_fc .Get ("\u004do\u0064\u0044\u0061\u0074\u0065"));_cgf &&_ade .String ()!=""{_eg ,_dfdd :=_fe .ParsePdfTime (_ade .String ());if _dfdd !=nil {return _af .Errorf ("\u0069n\u0076\u0061\u006c\u0069d\u0020\u004d\u006f\u0064\u0044a\u0074e\u0020f\u0069\u0065\u006c\u0064\u003a\u0020\u0025w",_dfdd );
+};_aa .ModifyDate =_a .NewDate (_eg );};};};};if options .PdfVersion !=""{_aa .PDFVersion =options .PdfVersion ;};if options .Marked {_aa .Marked =_a .Bool (options .Marked );};if options .Copyright !=""{_aa .Copyright =options .Copyright ;};if _ed =_aa .SyncToXMP (_gde ._df );
+_ed !=nil {return _ed ;};return nil ;};
+
+// PdfInfo is the xmp document pdf info.
+type PdfInfo struct{InfoDict _bfg .PdfObject ;PdfVersion string ;Copyright string ;Marked bool ;};
+
+// SetPdfAExtension sets the pdfaExtension XMP metadata.
+func (_dfa *Document )SetPdfAExtension ()error {_dfd ,_ca :=_f .MakeModel (_dfa ._df );if _ca !=nil {return _ca ;};if _ca =_f .FillModel (_dfa ._df ,_dfd );_ca !=nil {return _ca ;};if _ca =_dfd .SyncToXMP (_dfa ._df );_ca !=nil {return _ca ;};return nil ;
+};
+
+// Marshal the document into xml byte stream.
+func (_dg *Document )Marshal ()([]byte ,error ){if _dg ._df .IsDirty (){if _gg :=_dg ._df .SyncModels ();_gg !=nil {return nil ,_gg ;};};return _a .Marshal (_dg ._df );};
+\ No newline at end of file