unioffice/zippkg/zippkg.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 zippkg ;import (_g "archive/zip";_a "bytes";_bc "encoding/xml";_c "fmt";_ae "github.com/unidoc/unioffice";_fd "github.com/unidoc/unioffice/algo";_eg "github.com/unidoc/unioffice/common/tempstorage";_eb "github.com/unidoc/unioffice/schema/soo/pkg/relationships";_gd "io";_fb "path";_f "sort";_e "strings";_b "time";);func (_deb SelfClosingWriter )Write (b []byte )(int ,error ){_fbff :=0;_gdec :=0;for _af :=0;_af < len (b )-2;_af ++{if b [_af ]=='>'&&b [_af +1]=='<'&&b [_af +2]=='/'{_ed :=[]byte {};_ede :=_af ;for _edee :=_af ;_edee >=0;_edee --{if b [_edee ]==' '{_ede =_edee ;}else if b [_edee ]=='<'{_ed =b [_edee +1:_ede ];break ;};};_fbfb :=[]byte {};for _abc :=_af +3;_abc < len (b );_abc ++{if b [_abc ]=='>'{_fbfb =b [_af +3:_abc ];break ;};};if !_a .Equal (_ed ,_fbfb ){continue ;};_agd ,_eca :=_deb .W .Write (b [_fbff :_af ]);if _eca !=nil {return _gdec +_agd ,_eca ;};_gdec +=_agd ;_ ,_eca =_deb .W .Write (_bce );if _eca !=nil {return _gdec ,_eca ;};_gdec +=3;for _bcb :=_af +2;_bcb < len (b )&&b [_bcb ]!='>';_bcb ++{_gdec ++;_fbff =_bcb +2;_af =_fbff ;};};};_dad ,_fg :=_deb .W .Write (b [_fbff :]);return _dad +_gdec ,_fg ;};func (_fe *DecodeMap )IndexFor (path string )int {return _fe ._agf [path ]};func (_aeg *DecodeMap )RecordIndex (path string ,idx int ){_aeg ._agf [path ]=idx };func MarshalXMLByType (z *_g .Writer ,dt _ae .DocType ,typ string ,v interface{})error {_bgb :=_ae .AbsoluteFilename (dt ,typ ,0);return MarshalXML (z ,_bgb ,v );};

// AddFileFromBytes takes a byte array and adds it at a given path to a zip file.
func AddFileFromBytes (z *_g .Writer ,zipPath string ,data []byte )error {_bf ,_cb :=z .Create (zipPath );if _cb !=nil {return _c .Errorf ("e\u0072\u0072\u006f\u0072 c\u0072e\u0061\u0074\u0069\u006e\u0067 \u0025\u0073\u003a\u0020\u0025\u0073",zipPath ,_cb );};_ ,_cb =_gd .Copy (_bf ,_a .NewReader (data ));return _cb ;};

// Decode unmarshals the content of a *zip.File as XML to a given destination.
func Decode (f *_g .File ,dest interface{})error {_ecc ,_ded :=f .Open ();if _ded !=nil {return _c .Errorf ("e\u0072r\u006f\u0072\u0020\u0072\u0065\u0061\u0064\u0069n\u0067\u0020\u0025\u0073: \u0025\u0073",f .Name ,_ded );};defer _ecc .Close ();_bg :=_bc .NewDecoder (_ecc );if _gf :=_bg .Decode (dest );_gf !=nil {return _c .Errorf ("e\u0072\u0072\u006f\u0072 d\u0065c\u006f\u0064\u0069\u006e\u0067 \u0025\u0073\u003a\u0020\u0025\u0073",f .Name ,_gf );};if _aef ,_aae :=dest .(*_eb .Relationships );_aae {for _gbe ,_ccg :=range _aef .Relationship {switch _ccg .TypeAttr {case _ae .OfficeDocumentTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .OfficeDocumentType ;case _ae .StylesTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .StylesType ;case _ae .ThemeTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .ThemeType ;case _ae .ControlTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .ControlType ;case _ae .SettingsTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .SettingsType ;case _ae .ImageTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .ImageType ;case _ae .CommentsTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .CommentsType ;case _ae .ThumbnailTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .ThumbnailType ;case _ae .DrawingTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .DrawingType ;case _ae .ChartTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .ChartType ;case _ae .ExtendedPropertiesTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .ExtendedPropertiesType ;case _ae .CustomXMLTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .CustomXMLType ;case _ae .WorksheetTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .WorksheetType ;case _ae .SharedStringsTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .SharedStringsType ;case _ae .TableTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .TableType ;case _ae .HeaderTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .HeaderType ;case _ae .FooterTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .FooterType ;case _ae .NumberingTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .NumberingType ;case _ae .FontTableTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .FontTableType ;case _ae .WebSettingsTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .WebSettingsType ;case _ae .FootNotesTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .FootNotesType ;case _ae .EndNotesTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .EndNotesType ;case _ae .SlideTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .SlideType ;case _ae .VMLDrawingTypeStrict :_aef .Relationship [_gbe ].TypeAttr =_ae .VMLDrawingType ;};};_f .Slice (_aef .Relationship ,func (_adg ,_cgd int )bool {_dce :=_aef .Relationship [_adg ];_ggd :=_aef .Relationship [_cgd ];return _fd .NaturalLess (_dce .IdAttr ,_ggd .IdAttr );});};return nil ;};

// OnNewRelationshipFunc is called when a new relationship has been discovered.
//
// target is a resolved path that takes into account the location of the
// relationships file source and should be the path in the zip file.
//
// files are passed so non-XML files that can't be handled by AddTarget can be
// decoded directly (e.g. images)
//
// rel is the actual relationship so its target can be modified if the source
// target doesn't match where unioffice will write the file (e.g. read in
// 'xl/worksheets/MyWorksheet.xml' and we'll write out
// 'xl/worksheets/sheet1.xml')
type OnNewRelationshipFunc func (_aa *DecodeMap ,_gg ,_cf string ,_ag []*_g .File ,_ea *_eb .Relationship ,_fbf Target )error ;

// SetOnNewRelationshipFunc sets the function to be called when a new
// relationship has been discovered.
func (_gge *DecodeMap )SetOnNewRelationshipFunc (fn OnNewRelationshipFunc ){_gge ._cc =fn };

// DecodeMap is used to walk a tree of relationships, decoding files and passing
// control back to the document.
type DecodeMap struct{_eae map[string ]Target ;_dc map[*_eb .Relationships ]string ;_fc []Target ;_cc OnNewRelationshipFunc ;_ga map[string ]struct{};_agf map[string ]int ;};var _bce =[]byte {'/','>'};

// RelationsPathFor returns the relations path for a given filename.
func RelationsPathFor (path string )string {_gc :=_e .Split (path ,"\u002f");_ba :=_e .Join (_gc [0:len (_gc )-1],"\u002f");_da :=_gc [len (_gc )-1];_ba +="\u002f_\u0072\u0065\u006c\u0073\u002f";_da +="\u002e\u0072\u0065l\u0073";return _ba +_da ;};var _ccc =[]byte {'\r','\n'};

// Decode loops decoding targets registered with AddTarget and calling th
func (_cd *DecodeMap )Decode (files []*_g .File )error {_cg :=1;for _cg > 0{for len (_cd ._fc )> 0{_ecf :=_cd ._fc [len (_cd ._fc )-1];_cd ._fc =_cd ._fc [0:len (_cd ._fc )-1];_ge :=_ecf .Ifc .(*_eb .Relationships );for _ ,_ad :=range _ge .Relationship {_ee ,_ :=_cd ._dc [_ge ];_cd ._cc (_cd ,_ee +_ad .TargetAttr ,_ad .TypeAttr ,files ,_ad ,_ecf );};};for _ebca ,_gad :=range files {if _gad ==nil {continue ;};if _ege ,_adf :=_cd ._eae [_gad .Name ];_adf {delete (_cd ._eae ,_gad .Name );if _gb :=Decode (_gad ,_ege .Ifc );_gb !=nil {return _gb ;};files [_ebca ]=nil ;if _gae ,_gag :=_ege .Ifc .(*_eb .Relationships );_gag {_cd ._fc =append (_cd ._fc ,_ege );_bb ,_ :=_fb .Split (_fb .Clean (_gad .Name +"\u002f\u002e\u002e\u002f"));_cd ._dc [_gae ]=_bb ;_cg ++;};};};_cg --;};return nil ;};

// ExtractToDiskTmp extracts a zip file to a temporary file in a given path,
// returning the name of the file.
func ExtractToDiskTmp (f *_g .File ,path string )(string ,error ){_adfe ,_cfa :=_eg .TempFile (path ,"\u007a\u007a");if _cfa !=nil {return "",_cfa ;};defer _adfe .Close ();_eac ,_cfa :=f .Open ();if _cfa !=nil {return "",_cfa ;};defer _eac .Close ();_ ,_cfa =_gd .Copy (_adfe ,_eac );if _cfa !=nil {return "",_cfa ;};return _adfe .Name (),nil ;};type Target struct{Path string ;Typ string ;Ifc interface{};Index uint32 ;};

// MarshalXML creates a file inside of a zip and marshals an object as xml, prefixing it
// with a standard XML header.
func MarshalXML (z *_g .Writer ,filename string ,v interface{})error {_ab :=&_g .FileHeader {};_ab .Method =_g .Deflate ;_ab .Name =filename ;_ab .SetModTime (_b .Now ());_agb ,_egc :=z .CreateHeader (_ab );if _egc !=nil {return _c .Errorf ("\u0063\u0072\u0065\u0061ti\u006e\u0067\u0020\u0025\u0073\u0020\u0069\u006e\u0020\u007a\u0069\u0070\u003a\u0020%\u0073",filename ,_egc );};_ ,_egc =_agb .Write ([]byte (XMLHeader ));if _egc !=nil {return _c .Errorf ("\u0063\u0072e\u0061\u0074\u0069\u006e\u0067\u0020\u0078\u006d\u006c\u0020\u0068\u0065\u0061\u0064\u0065\u0072\u0020\u0074\u006f\u0020\u0025\u0073: \u0025\u0073",filename ,_egc );};if _egc =_bc .NewEncoder (SelfClosingWriter {_agb }).Encode (v );_egc !=nil {return _c .Errorf ("\u006d\u0061\u0072\u0073\u0068\u0061\u006c\u0069\u006e\u0067\u0020\u0025s\u003a\u0020\u0025\u0073",filename ,_egc );};_ ,_egc =_agb .Write (_ccc );return _egc ;};

// AddTarget allows documents to register decode targets. Path is a path that
// will be found in the zip file and ifc is an XML element that the file will be
// unmarshaled to.  filePath is the absolute path to the target, ifc is the
// object to decode into, sourceFileType is the type of file that the reference
// was discovered in, and index is the index of the source file type.
func (_gde *DecodeMap )AddTarget (filePath string ,ifc interface{},sourceFileType string ,idx uint32 )bool {if _gde ._eae ==nil {_gde ._eae =make (map[string ]Target );_gde ._dc =make (map[*_eb .Relationships ]string );_gde ._ga =make (map[string ]struct{});_gde ._agf =make (map[string ]int );};_de :=_fb .Clean (filePath );if _ ,_ebc :=_gde ._ga [_de ];_ebc {return false ;};_gde ._ga [_de ]=struct{}{};_gde ._eae [_de ]=Target {Path :filePath ,Typ :sourceFileType ,Ifc :ifc ,Index :idx };return true ;};func MarshalXMLByTypeIndex (z *_g .Writer ,dt _ae .DocType ,typ string ,idx int ,v interface{})error {_ca :=_ae .AbsoluteFilename (dt ,typ ,idx );return MarshalXML (z ,_ca ,v );};const XMLHeader ="\u003c\u003f\u0078\u006d\u006c\u0020\u0076e\u0072\u0073\u0069o\u006e\u003d\u00221\u002e\u0030\"\u0020\u0065\u006e\u0063\u006f\u0064i\u006eg=\u0022\u0055\u0054\u0046\u002d\u0038\u0022\u0020\u0073\u0074\u0061\u006e\u0064\u0061\u006c\u006f\u006e\u0065\u003d\u0022\u0079\u0065\u0073\u0022\u003f\u003e"+"\u000a";

// SelfClosingWriter wraps a writer and replaces XML tags of the
// type <foo></foo> with <foo/>
type SelfClosingWriter struct{W _gd .Writer ;};

// AddFileFromDisk reads a file from internal storage and adds it at a given path to a zip file.
// TODO: Rename to AddFileFromStorage in next major version release (v2).
// NOTE: If disk storage cannot be used, memory storage can be used instead by calling memstore.SetAsStorage().
func AddFileFromDisk (z *_g .Writer ,zipPath ,storagePath string )error {_ac ,_fca :=z .Create (zipPath );if _fca !=nil {return _c .Errorf ("e\u0072\u0072\u006f\u0072 c\u0072e\u0061\u0074\u0069\u006e\u0067 \u0025\u0073\u003a\u0020\u0025\u0073",zipPath ,_fca );};_fa ,_fca :=_eg .Open (storagePath );if _fca !=nil {return _c .Errorf ("e\u0072r\u006f\u0072\u0020\u006f\u0070\u0065\u006e\u0069n\u0067\u0020\u0025\u0073: \u0025\u0073",storagePath ,_fca );};defer _fa .Close ();_ ,_fca =_gd .Copy (_ac ,_fa );return _fca ;};