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 (_b "archive/zip";_ee "bytes";_bd "encoding/xml";_de "fmt";_dg "github.com/unidoc/unioffice";_bb "github.com/unidoc/unioffice/algo";_ef "github.com/unidoc/unioffice/common/tempstorage";_bg "github.com/unidoc/unioffice/schema/soo/pkg/relationships";_d "io";_gd "path";_e "sort";_c "strings";_g "time";);func MarshalXMLByTypeIndex (z *_b .Writer ,dt _dg .DocType ,typ string ,idx int ,v interface{})error {_gdc :=_dg .AbsoluteFilename (dt ,typ ,idx );return MarshalXML (z ,_gdc ,v );};func MarshalXMLByType (z *_b .Writer ,dt _dg .DocType ,typ string ,v interface{})error {_baf :=_dg .AbsoluteFilename (dt ,typ ,0);return MarshalXML (z ,_baf ,v );};func (_ac *DecodeMap )RecordIndex (path string ,idx int ){_ac ._eff [path ]=idx };var _eeab =[]byte {'\r','\n'};

// 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 (_db *DecodeMap )AddTarget (filePath string ,ifc interface{},sourceFileType string ,idx uint32 )bool {if _db ._gfc ==nil {_db ._gfc =make (map[string ]Target );_db ._ca =make (map[*_bg .Relationships ]string );_db ._a =make (map[string ]struct{});_db ._eff =make (map[string ]int );};_cb :=_gd .Clean (filePath );if _ ,_gaeb :=_db ._a [_cb ];_gaeb {return false ;};_db ._a [_cb ]=struct{}{};_db ._gfc [_cb ]=Target {Path :filePath ,Typ :sourceFileType ,Ifc :ifc ,Index :idx };return true ;};

// ExtractToDiskTmp extracts a zip file to a temporary file in a given path,
// returning the name of the file.
func ExtractToDiskTmp (f *_b .File ,path string )(string ,error ){_gffc ,_ce :=_ef .TempFile (path ,"\u007a\u007a");if _ce !=nil {return "",_ce ;};defer _gffc .Close ();_fab ,_ce :=f .Open ();if _ce !=nil {return "",_ce ;};defer _fab .Close ();_ ,_ce =_d .Copy (_gffc ,_fab );if _ce !=nil {return "",_ce ;};return _gffc .Name (),nil ;};

// SelfClosingWriter wraps a writer and replaces XML tags of the
// type <foo></foo> with <foo/>
type SelfClosingWriter struct{W _d .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 *_b .Writer ,zipPath ,storagePath string )error {_ffd ,_ba :=z .Create (zipPath );if _ba !=nil {return _de .Errorf ("e\u0072\u0072\u006f\u0072 c\u0072e\u0061\u0074\u0069\u006e\u0067 \u0025\u0073\u003a\u0020\u0025\u0073",zipPath ,_ba );};_bcc ,_ba :=_ef .Open (storagePath );if _ba !=nil {return _de .Errorf ("e\u0072r\u006f\u0072\u0020\u006f\u0070\u0065\u006e\u0069n\u0067\u0020\u0025\u0073: \u0025\u0073",storagePath ,_ba );};defer _bcc .Close ();_ ,_ba =_d .Copy (_ffd ,_bcc );return _ba ;};

// DecodeMap is used to walk a tree of relationships, decoding files and passing
// control back to the document.
type DecodeMap struct{_gfc map[string ]Target ;_ca map[*_bg .Relationships ]string ;_eb []Target ;_be OnNewRelationshipFunc ;_a map[string ]struct{};_eff map[string ]int ;};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";

// 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 (_gf *DecodeMap ,_ga ,_gg string ,_fd []*_b .File ,_gae *_bg .Relationship ,_cc Target )error ;

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

// Decode unmarshals the content of a *zip.File as XML to a given destination.
func Decode (f *_b .File ,dest interface{})error {_gbc ,_fde :=f .Open ();if _fde !=nil {return _de .Errorf ("e\u0072r\u006f\u0072\u0020\u0072\u0065\u0061\u0064\u0069n\u0067\u0020\u0025\u0073: \u0025\u0073",f .Name ,_fde );};defer _gbc .Close ();_ddg :=_bd .NewDecoder (_gbc );if _fb :=_ddg .Decode (dest );_fb !=nil {return _de .Errorf ("e\u0072\u0072\u006f\u0072 d\u0065c\u006f\u0064\u0069\u006e\u0067 \u0025\u0073\u003a\u0020\u0025\u0073",f .Name ,_fb );};if _gda ,_aa :=dest .(*_bg .Relationships );_aa {for _aae ,_fc :=range _gda .Relationship {switch _fc .TypeAttr {case _dg .OfficeDocumentTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .OfficeDocumentType ;case _dg .StylesTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .StylesType ;case _dg .ThemeTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .ThemeType ;case _dg .ControlTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .ControlType ;case _dg .SettingsTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .SettingsType ;case _dg .ImageTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .ImageType ;case _dg .CommentsTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .CommentsType ;case _dg .ThumbnailTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .ThumbnailType ;case _dg .DrawingTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .DrawingType ;case _dg .ChartTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .ChartType ;case _dg .ExtendedPropertiesTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .ExtendedPropertiesType ;case _dg .CustomXMLTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .CustomXMLType ;case _dg .WorksheetTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .WorksheetType ;case _dg .SharedStringsTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .SharedStringsType ;case _dg .TableTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .TableType ;case _dg .HeaderTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .HeaderType ;case _dg .FooterTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .FooterType ;case _dg .NumberingTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .NumberingType ;case _dg .FontTableTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .FontTableType ;case _dg .WebSettingsTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .WebSettingsType ;case _dg .FootNotesTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .FootNotesType ;case _dg .EndNotesTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .EndNotesType ;case _dg .SlideTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .SlideType ;case _dg .VMLDrawingTypeStrict :_gda .Relationship [_aae ].TypeAttr =_dg .VMLDrawingType ;};};_e .Slice (_gda .Relationship ,func (_eea ,_gbg int )bool {_acb :=_gda .Relationship [_eea ];_aec :=_gda .Relationship [_gbg ];return _bb .NaturalLess (_acb .IdAttr ,_aec .IdAttr );});};return nil ;};

// SetOnNewRelationshipFunc sets the function to be called when a new
// relationship has been discovered.
func (_ff *DecodeMap )SetOnNewRelationshipFunc (fn OnNewRelationshipFunc ){_ff ._be =fn };type Target struct{Path string ;Typ string ;Ifc interface{};Index uint32 ;};

// RelationsPathFor returns the relations path for a given filename.
func RelationsPathFor (path string )string {_cce :=_c .Split (path ,"\u002f");_aca :=_c .Join (_cce [0:len (_cce )-1],"\u002f");_ae :=_cce [len (_cce )-1];_aca +="\u002f_\u0072\u0065\u006c\u0073\u002f";_ae +="\u002e\u0072\u0065l\u0073";return _aca +_ae ;};var _ddc =[]byte {'/','>'};

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

// Decode loops decoding targets registered with AddTarget and calling th
func (_gc *DecodeMap )Decode (files []*_b .File )error {_ab :=1;for _ab > 0{for len (_gc ._eb )> 0{_gff :=_gc ._eb [0];_gc ._eb =_gc ._eb [1:];_dd :=_gff .Ifc .(*_bg .Relationships );for _ ,_dgf :=range _dd .Relationship {_cf ,_ :=_gc ._ca [_dd ];_gc ._be (_gc ,_cf +_dgf .TargetAttr ,_dgf .TypeAttr ,files ,_dgf ,_gff );};};for _afc ,_ag :=range files {if _ag ==nil {continue ;};if _bef ,_fa :=_gc ._gfc [_ag .Name ];_fa {delete (_gc ._gfc ,_ag .Name );if _gb :=Decode (_ag ,_bef .Ifc );_gb !=nil {return _gb ;};files [_afc ]=nil ;if _ea ,_ffc :=_bef .Ifc .(*_bg .Relationships );_ffc {_gc ._eb =append (_gc ._eb ,_bef );_ec ,_ :=_gd .Split (_gd .Clean (_ag .Name +"\u002f\u002e\u002e\u002f"));_gc ._ca [_ea ]=_ec ;_ab ++;};};};_ab --;};return nil ;};func (_gcg SelfClosingWriter )Write (b []byte )(int ,error ){_gce :=0;_cfa :=0;for _cfe :=0;_cfe < len (b )-2;_cfe ++{if b [_cfe ]=='>'&&b [_cfe +1]=='<'&&b [_cfe +2]=='/'{_ccc :=[]byte {};_gcf :=_cfe ;for _dca :=_cfe ;_dca >=0;_dca --{if b [_dca ]==' '{_gcf =_dca ;}else if b [_dca ]=='<'{_ccc =b [_dca +1:_gcf ];break ;};};_defa :=[]byte {};for _da :=_cfe +3;_da < len (b );_da ++{if b [_da ]=='>'{_defa =b [_cfe +3:_da ];break ;};};if !_ee .Equal (_ccc ,_defa ){continue ;};_ebg ,_gfca :=_gcg .W .Write (b [_gce :_cfe ]);if _gfca !=nil {return _cfa +_ebg ,_gfca ;};_cfa +=_ebg ;_ ,_gfca =_gcg .W .Write (_ddc );if _gfca !=nil {return _cfa ,_gfca ;};_cfa +=3;for _befb :=_cfe +2;_befb < len (b )&&b [_befb ]!='>';_befb ++{_cfa ++;_gce =_befb +2;_cfe =_gce ;};};};_fdd ,_aee :=_gcg .W .Write (b [_gce :]);return _fdd +_cfa ,_aee ;};func (_bdb *DecodeMap )IndexFor (path string )int {return _bdb ._eff [path ]};