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%%
%% This is file `tagpdf-roles-code.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% tagpdf-roles.dtx  (with options: `roles')
%% 
%% Copyright (C) 2019 Ulrike Fischer
%% 
%% It may be distributed and/or modified under the conditions of
%% the LaTeX Project Public License (LPPL), either version 1.3c of
%% this license or (at your option) any later version.  The latest
%% version of this license is in the file:
%% 
%%    https://www.latex-project.org/lppl.txt
%% 
%% This file is part of the "tagpdf bundle" (The Work in LPPL)
%% and all files in that bundle must be distributed together.
%% 
%% File: tagpdf-roles.dtx
\ProvidesExplPackage {tagpdf-roles-code} {2021-06-14} {0.82}
 {part of tagpdf - code related to roles and structure names}
\__tag_seq_new:N  \g__tag_role_tags_seq  %to get names (type/NS) from numbers
\__tag_prop_new:N \g__tag_role_tags_prop %to get numbers  from names (type/NS)
\prop_new:N    \g__tag_role_tags_NS_prop %to namespace info
\prop_new:N \g__tag_role_NS_prop % collect namespaces
\cs_new_protected:Npn \__tag_role_NS_new:nnn #1 #2 #3
  { \msg_redirect_name:nnn { pdfdict } { empty-value } { none }
    \pdf_object_new:nn {tag/NS/#1}{dict}
    \pdfdict_new:n     {g__tag_role/Namespace_#1_dict}
    \pdf_object_new:nn {__tag/RoleMapNS/#1}{dict}
    \pdfdict_new:n     {g__tag_role/RoleMapNS_#1_dict}
    \pdfdict_gput:nnn
      {g__tag_role/Namespace_#1_dict}
      {Type}
      {/Namespace}
    \pdf_string_from_unicode:nnN{utf8/string}{#2}\l_tmpa_str
    \pdfdict_gput:nnx
      {g__tag_role/Namespace_#1_dict}
      {NS}
      {\l_tmpa_str}
    %RoleMapNS is added in tree
    \pdfdict_gput:nnx{g__tag_role/Namespace_#1_dict}
      {Schema}{#3}
    \prop_gput:Nnx \g__tag_role_NS_prop {#1}{\pdf_object_ref:n{tag/NS/#1}~}
    \msg_redirect_name:nnn { pdfdict } { empty-value } { warning }
  }
\str_const:Nx \c__tag_role_userNS_id_str
  { data:,
    \int_to_Hex:n{\int_rand:n {65535}}
    \int_to_Hex:n{\int_rand:n {65535}}
    -
    \int_to_Hex:n{\int_rand:n {65535}}
    -
    \int_to_Hex:n{\int_rand:n {65535}}
    -
    \int_to_Hex:n{\int_rand:n {65535}}
    -
    \int_to_Hex:n{\int_rand:n {16777215}}
    \int_to_Hex:n{\int_rand:n {16777215}}
  }
\pdf_version_compare:NnT > {1.9}
  {
    \__tag_role_NS_new:nnn {pdf}   {http://iso.org/pdf/ssn}{}
    \__tag_role_NS_new:nnn {pdf2}  {http://iso.org/pdf2/ssn}{}
    \__tag_role_NS_new:nnn {mathml}{http://www.w3.org/1998/Math/MathML}{}
    \exp_args:Nnx
    \__tag_role_NS_new:nnn {user}{\c__tag_role_userNS_id_str}{}
  }
\clist_const:Nn \c__tag_role_sttags_pdf_pdfII_clist
  {
    Document,   %A complete document. This is the root element of any structure tree containing
                %multiple parts or multiple articles.
    Part,       %A large-scale division of a document.
    Sect,       %A container for grouping related content elements.
    Div,        %A generic block-level element or group of elements
    Caption,    %A brief portion of text describing a table or figure.
    Index,
    NonStruct,  %probably not needed
    H,
    H1,
    H2,
    H3,
    H4,
    H5,
    H6,
    P,
    L,           %list
    LI,          %list item (around label and list item body)
    Lbl,         %list label
    LBody,       %list item body
    Table,
    TR,          %table row
    TH,          %table header cell
    TD,          %table data cell
    THead,       %table header (n rows)
    TBody,       %table rows
    TFoot,       %table footer
    Span,        %generic inline marker
    Link,        %
    Annot,
    Figure,
    Formula,
    Form,
    % ruby warichu etc ..
    Ruby,
    RB,
    RT,
    Warichu,
    WT,
    WP,
    Artifact % only MC-tag ?...
  }

\clist_const:Nn \c__tag_role_sttags_only_pdf_clist
 {
   Art,%A relatively self-contained body of text constituting a single narrative or exposition
   BlockQuote, %A portion of text consisting of one or more paragraphs attributed to someone other
               %than the author of the  surrounding text.
   TOC,        %A list made up of table of contents item entries (structure tag TOCI; see below)
                %and/or other nested table of contents entries
   TOCI,       %An individual member of a table of contents. This entry's children can be any of
               %the following structure  tags:
               %Lbl,Reference,NonStruct,P,TOC
   Index,
   Private,
   Quote,       %inline quote
   Note,        %footnote, endnote. Lbl can be child
   Reference,   %A citation to content elsewhere in the document.
   BibEntry,    %bibentry
   Code
 }

\clist_const:Nn \c__tag_role_sttags_only_pdfII_clist
 {
   DocumentFragment
   ,Aside
   ,H7
   ,H8
   ,H9
   ,H10
   ,Title
   ,FENote
   ,Sub
   ,Em
   ,Strong
   ,Artifact
 }

\clist_const:Nn \c__tag_role_sttags_mathml_clist
 {
   abs
   ,and
   ,annotation
   ,apply
   ,approx
   ,arccos
   ,arccosh
   ,arccot
   ,arccoth
   ,arccsc
   ,arccsch
   ,arcsec
   ,arcsech
   ,arcsin
   ,arcsinh
   ,arctan
   ,arctanh
   ,arg
   ,bind
   ,bvar
   ,card
   ,cartesianproduct
   ,cbytes
   ,ceiling
   ,cerror
   ,ci
   ,cn
   ,codomain
   ,complexes
   ,compose
   ,condition
   ,conjugate
   ,cos
   ,cosh
   ,cot
   ,coth
   ,cs
   ,csc
   ,csch
   ,csymbol
   ,curl
   ,declare
   ,degree
   ,determinant
   ,diff
   ,divergence
   ,divide
   ,domain
   ,domainofapplication
   ,emptyset
   ,eq
   ,equivalent
   ,eulergamma
   ,exists
   ,exp
   ,exponentiale
   ,factorial
   ,factorof
   ,false
   ,floor
   ,fn
   ,forall
   ,gcd
   ,geq
   ,grad
   ,gt
   ,ident
   ,image
   ,imaginary
   ,imaginaryi
   ,implies
   ,in
   ,infinity
   ,int
   ,integers
   ,intersect
   ,interval
   ,inverse
   ,lambda
   ,laplacian
   ,lcm
   ,leq
   ,limit
   ,ln
   ,log
   ,logbase
   ,lowlimit
   ,lt
   ,maction
   ,maligngroup
   ,malignmark
   ,math
   ,matrix
   ,matrixrow
   ,max
   ,mean
   ,median
   ,menclose
   ,merror
   ,mfenced
   ,mfrac
   ,mglyph
   ,mi
   ,min
   ,minus
   ,mlabeledtr
   ,mlongdiv
   ,mmultiscripts
   ,mn
   ,mo
   ,mode
   ,moment
   ,momentabout
   ,mover
   ,mpadded
   ,mphantom
   ,mprescripts
   ,mroot
   ,mrow
   ,ms
   ,mscarries
   ,mscarry
   ,msgroup
   ,msline
   ,mspace
   ,msqrt
   ,msrow
   ,mstack
   ,mstyle
   ,msub
   ,msubsup
   ,msup
   ,mtable
   ,mtd
   ,mtext
   ,mtr
   ,munder
   ,munderover
   ,naturalnumbers
   ,neq
   ,none
   ,not
   ,notanumber
   ,notin
   ,notprsubset
   ,notsubset
   ,or
   ,otherwise
   ,outerproduct
   ,partialdiff
   ,pi
   ,piece
   ,piecewise
   ,plus
   ,power
   ,primes
   ,product
   ,prsubset
   ,quotient
   ,rationals
   ,real
   ,reals
   ,reln
   ,rem
   ,root
   ,scalarproduct
   ,sdev
   ,sec
   ,sech
   ,selector
   ,semantics
   ,sep
   ,set
   ,setdiff
   ,share
   ,sin
   ,sinh
   ,subset
   ,sum
   ,tan
   ,tanh
   ,tendsto
   ,times
   ,transpose
   ,true
   ,union
   ,uplimit
   ,variance
   ,vector
   ,vectorproduct
   ,xor
 }

\prop_const_from_keyval:Nn \c__tag_role_sttags_pdfII_to_pdf_prop
  {
    DocumentFragment = Art,
    Aside = Note,
    Title = H1,
    Sub   = Span,
    H7    = H6 ,
    H8    = H6 ,
    H9    = H6 ,
    H10   = H6,
    FENote= Note,
    Em    = Span,
    Strong= Span,
  }

\clist_map_inline:Nn \c__tag_role_sttags_pdf_pdfII_clist
  {
    \__tag_seq_gput_right:Nn \g__tag_role_tags_seq { #1 }
    \prop_gput:Nnn \g__tag_role_tags_NS_prop    { #1 }{ pdf2 }
  }
\clist_map_inline:Nn \c__tag_role_sttags_only_pdf_clist
  {
    \__tag_seq_gput_right:Nn \g__tag_role_tags_seq { #1 }
    \prop_gput:Nnn \g__tag_role_tags_NS_prop    { #1 }{ pdf }
  }
\clist_map_inline:Nn \c__tag_role_sttags_only_pdfII_clist
  {
    \__tag_seq_gput_right:Nn \g__tag_role_tags_seq { #1 }
    \prop_gput:Nnn \g__tag_role_tags_NS_prop    { #1 }{ pdf2 }
  }
\pdf_version_compare:NnT > {1.9}
  {
     \clist_map_inline:Nn \c__tag_role_sttags_mathml_clist
       {
         \__tag_seq_gput_right:Nn \g__tag_role_tags_seq { #1 }
         \prop_gput:Nnn \g__tag_role_tags_NS_prop    { #1 }{ mathml }
       }
  }

\int_step_inline:nnnn { 1 }{ 1 }{ \seq_count:N \g__tag_role_tags_seq }
  {
    \__tag_prop_gput:Nxn \g__tag_role_tags_prop
      {
        \seq_item:Nn \g__tag_role_tags_seq  { #1 }
      }
      { #1 }
  }
\pdfdict_new:n {g__tag_role/RoleMap_dict}
\cs_new_protected:Nn \__tag_role_add_tag:nn %(new) name, reference to old
  {
    \prop_if_in:NnF \g__tag_role_tags_prop {#1}
      {
         \msg_info:nnn { tag }{new-tag}{#1}
         \__tag_seq_gput_right:Nn \g__tag_role_tags_seq { #1 }
         \__tag_prop_gput:Nnx \g__tag_role_tags_prop    { #1 }
           {
             \seq_count:N \g__tag_role_tags_seq
           }
         \prop_gput:Nnn \g__tag_role_tags_NS_prop    { #1 }{ user }
      }
    %\__tag_check_add_tag_role:nn {#1}{#2} %%!TODO
    \tl_if_empty:nF { #2 }
      {
        \pdfdict_gput:nnx {g__tag_role/RoleMap_dict}
          {#1}
          {\pdf_name_from_unicode_e:n{#2}}
      }
  }
\cs_generate_variant:Nn \__tag_role_add_tag:nn {VV}

\pdf_version_compare:NnT < {2.0}
  {
     \prop_map_inline:Nn \c__tag_role_sttags_pdfII_to_pdf_prop
       {
         \__tag_role_add_tag:nn {#1}{#2}
       }
  }

\cs_new_protected:Nn \__tag_role_add_tag:nnnn %tag/namespace/role/namespace
  {
    \msg_info:nnn { tag }{new-tag}{#1}
    \__tag_seq_gput_right:Nn \g__tag_role_tags_seq { #1 }
    \__tag_prop_gput:Nnx \g__tag_role_tags_prop    { #1 }
       {
         \seq_count:N \g__tag_role_tags_seq
       }
    \prop_gput:Nnn \g__tag_role_tags_NS_prop    { #1 }{ #2 }
    %\__tag_check_add_tag_role:nn {#1}{#3} %TODO
    \pdfdict_gput:nnx {g__tag_role/RoleMapNS_#2_dict}{#1}
       {
         [
           \pdf_name_from_unicode_e:n{#3}
           \c_space_tl
           \pdf_object_ref:n {tag/NS/#4}
         ]
       }
   }
\cs_generate_variant:Nn \__tag_role_add_tag:nnnn {VVVV}

\tl_new:N \l__tag_role_tag_tmpa_tl
\tl_new:N \l__tag_role_tag_namespace_tmpa_tl
\tl_new:N \l__tag_role_role_tmpa_tl
\tl_new:N \l__tag_role_role_namespace_tmpa_tl

\keys_define:nn { __tag / tag-role }
  {
    ,tag .tl_set:N = \l__tag_role_tag_tmpa_tl
    ,tag-namespace  .tl_set:N = \l__tag_role_tag_namespace_tmpa_tl
    ,role .tl_set:N = \l__tag_role_role_tmpa_tl
    ,role-namespace .tl_set:N = \l__tag_role_role_namespace_tmpa_tl
  }

\keys_define:nn { __tag / setup }
  {
    add-new-tag .code:n =
     {
       \keys_set_known:nnnN
         {__tag/tag-role}
         {
           tag-namespace=user,
           role-namespace=, %so that we can test for it.
          #1
         }{__tag/tag-role}\l_tmpa_tl
       \tl_if_empty:NF \l_tmpa_tl
         {
           \exp_args:NNno \seq_set_split:Nnn \l_tmpa_seq { / } {\l_tmpa_tl/}
           \tl_set:Nx \l__tag_role_tag_tmpa_tl  { \seq_item:Nn \l_tmpa_seq {1} }
           \tl_set:Nx \l__tag_role_role_tmpa_tl { \seq_item:Nn \l_tmpa_seq {2} }
         }
      \tl_if_empty:NT \l__tag_role_role_namespace_tmpa_tl
         {
           \prop_get:NVNTF
             \g__tag_role_tags_NS_prop
             \l__tag_role_role_tmpa_tl
             \l__tag_role_role_namespace_tmpa_tl
             {
                \prop_if_in:NVF\g__tag_role_NS_prop \l__tag_role_role_namespace_tmpa_tl
                 {
                   \tl_set:Nn \l__tag_role_role_namespace_tmpa_tl {user}
                 }
             }
             {
               \tl_set:Nn \l__tag_role_role_namespace_tmpa_tl {user}
             }
         }
      \pdf_version_compare:NnTF < {2.0}
       {
        %TODO add check for emptyness?
          \__tag_role_add_tag:VV
              \l__tag_role_tag_tmpa_tl
              \l__tag_role_role_tmpa_tl
       }
       {
         \__tag_role_add_tag:VVVV
           \l__tag_role_tag_tmpa_tl
           \l__tag_role_tag_namespace_tmpa_tl
           \l__tag_role_role_tmpa_tl
           \l__tag_role_role_namespace_tmpa_tl
       }
    }
  }

%% 
%%
%% End of file `tagpdf-roles-code.sty'.