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tex4ebook.4ht
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%\NewConfigure{ncxtable}{}
%Configure date meta info
\def\:zeropadtwo#1{%
\ifnum #1<10 0\fi
#1% Then output the argument
}% --- \zeroPadTwo ---
\def\time:round:corr{\ifnum\the\numexpr\the\time-\the\time/60*60\relax<0 1\else 0\fi}
\def\:iso:date{%
\the\year-%
\:zeropadtwo{\the\month}-%
\:zeropadtwo{\the\day}%
%Timestamp will be zero seconds
T\:zeropadtwo{\the\numexpr(\the\time/60)-\time:round:corr\relax}:%
\:zeropadtwo{\the\numexpr\the\time-((\the\time/60)-\time:round:corr)*60\relax}:%
00Z}
%General configuration
\Configure{DOCTYPE}{\HCode{<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">}}
\NewConfigure{EpubVersion}{1}
\Configure{EpubVersion}{2.0}
\NewConfigure{UniqueIdentifier}{1}
\Configure{UniqueIdentifier}{http://example.com/\jobname}
% allow configuration of the document language. babel's main language is used by default
% use this only if it doesn't work
\NewConfigure{DocumentLanguage}[1]{\def\GetLanguage{#1}}
% definitions of commands ignored in \author
\def\a:@author{}
\NewConfigure{@author}[1]{\concat:config\a:@author{#1}}
\NewConfigure{OpfScheme}{1}
\Configure{OpfScheme}{URI}
\NewConfigure{OpfMetadata}[1]{
\ifx\relax#1\relax%
\edef\a:OpfMetadata{}
\else
\edef\a:OpfMetadata{\a:OpfMetadata\HCode{\Hnewline}#1}
\fi
}
\Configure{OpfMetadata}{}
% This commands add filenames to opf item list and spine
\edef\opf:htmlfiles{}
\newcount\opf:htmlid
\def\opf:registerfilename#1{%
\ifcsdef{opf:entry#1}{}{%
\global\advance\opf:htmlid by1\relax
%\ifcsdef{opf:entry#1}{}{\csxdef{opf:entry#1}{Neni opf}}
\csxdef{opf:entry#1}{file\the\opf:htmlid}
\xdef\opf:htmlfiles{\opf:htmlfiles, #1}
}
}
\newcommand\OpfRegisterFile[1][\FileName]{\opf:registerfilename{#1}}
\NewConfigure{OpfManifest}[1]{%
\ifx\relax#1\relax%
\edef\a:OpfManifest{}
\else
\edef\a:OpfManifest{\a:OpfManifest\HCode{\Hnewline}#1}
\fi
}
\Configure{OpfManifest}{}
% This is for add properties like toc or cover image in opf manifest
% Property must be added from document usinf \opf:add:property, current output filename is used
\NewConfigure{OpfItemProperties}{2}
\Configure{OpfItemProperties}{}{}
\def\opf:properties#1{%
\ifcsdef{opf:properties:#1}{
\a:OpfItemProperties\csuse{opf:properties:#1}\b:OpfItemProperties%
}{}%
}
\def\opf:add:property#1{%
\ifcsdef{opf:properties:\FileName #1}{}{%
\csxdef{opf:properties:\FileName #1}{#1}%
\ifcsdef{opf:properties:\FileName}{%
\edef\:opf:prop:tmp{\csuse{opf:properties:\FileName}}
\csxdef{opf:properties:\FileName}{\:opf:prop:tmp\space #1}
}{\csxdef{opf:properties:\FileName}{#1}}
}
}
% enable simple configuration from the .cfg file
\newcommand\OpfAddProperty[1]{\opf:add:property{#1}}
%Set property only once
\def\opf:set:property#1{}
% This code will refister \maketitle page to the opf file list
\let\oldmktl\a:mktl
\def\a:mktl{\oldmktl\opf:registerfilename{\FileName}}
% guide element is used in epub2, it is similar to epub3 properties
% in epub3, it is deprecated, but it can be present
\edef\opf:guide{\HCode{<guide>\Hnewline}}
% register file to the guide. first argument is optional filename, current
% output name is used when empty. second is title and third type
\NewConfigure{OpfGuide}{4}
\newcommand\OpfGuide[3][]{%
\ifx\relax#1\relax \let\opf:guide:file\FileName\else\def\opf:guide:file{#1}\fi
\edef\opf:guide{\opf:guide\a:OpfGuide#3\b:OpfGuide#2\c:OpfGuide\opf:guide:file\d:OpfGuide}
}
\Configure{OpfGuide}{\HCode{<reference type="}}{\HCode{" title="}}{\HCode{" href="}}{\HCode{" />\Hnewline}}
% is NavMap used anywhere?
\NewConfigure{NavMap}{2}
\NewConfigure{NavSection}{4}
%Interface for setting xmlns
\edef\t4ht:xmlns{}
\NewConfigure{xmlns}[2]{%
\ifx\relax#2\relax%
\edef\t4ht:xmlns{}%
\else%
%\def\:prefix:xmlns{\ifx\relax#1\relax\else:#1\fi}
\edef\t4ht:xmlns{\t4ht:xmlns xmlns\ifx\relax#1\relax\else :#1\fi="#2"}%
\fi%
}
\NewConfigure{CoverImage}{2}
\Configure{CoverImage}{%
\ifvmode\IgnorePar\fi\EndP\HCode{<div class="cover-image">\Hnewline}
}{\HCode{</div>\Hnewline}\par}
\def\CoverMetadata#1{%
\special{t4ht+@File: #1}%
\Configure{OpfMetadata}
{\HCode{<meta name="cover" content="cover-image" />\Hnewline}}
\Configure{OpfManifest}
{\HCode{<item id="cover-image"
href="#1" media-type="\a:CoverMimeType" />}}
}
\renewcommand\coverimage[2][]{%
\edef\CoverImageName{#2}%
\CoverMetadata{#2}
\a:CoverImage%
\includegraphics[#1]{#2}%
\b:CoverImage%
}
\renewcommand\epubpage{\a:epubpage}
\NewConfigure{epubpage}{1}
\Configure{epubpage}{\ifvmode\IgnorePar\fi\EndP\HCode{<div class="newpage"></div>}}
\Css{.newpage{page-break-before:always;}}
\NewConfigure{CoverMimeType}{1}
\Configure{CoverMimeType}{image/png}
\TocAt-{part,chapter,section,subsection,subsubsection}
\Configure{crosslinks*}{}
\NewConfigure{NcxDoctype}{1}
\Configure{NcxDoctype}{\HCode{<!DOCTYPE ncx PUBLIC "-//NISO//DTD ncx 2005-1//EN"\Hnewline
"http://www.daisy.org/z3986/2005/ncx-2005-1.dtd">\Hnewline}}
%Get sanitized value of \title
\ifTag{TITLE+}{\def\Title{\LikeRef{TITLE+}}}{}
% If title contains macros, SafeTitle should be configured
% in the custom cfg file
\NewConfigure{SafeTitle}[1]{\gdef\Title{#1}}
% add main html as first file in the OPF
\opf:registerfilename{\jobname.\:html} %
% the following code should register files for all sectioning commands.
% unfortunately, it doesn't work correctly. A better solution is below.
\def\patch:sec:register#1{%
\csgappto{c:#1}{\OpfRegisterFile}%
}
% \patch:sec:register{part}
% \patch:sec:register{chapter}
% \patch:sec:register{section}
% \patch:sec:register{subsection}
% \patch:sec:register{subsubsection}
% \patch:sec:register{likechapter}
% \patch:sec:register{likesection}
% \patch:sec:register{likesubsection}
% \patch:sec:register{likesubsubsection}
% \patch:sec:register{appendix}
% \patch:sec:register{appendixsec}
% \patch:sec:register{appendixsubsec}
% \patch:sec:register{appendixsubsubsec}
% \Ttle is internal TeX4ht command used in sectioning commands
\append:defIII\:Ttle{\OpfRegisterFile}
\:CheckOption{epub}
\if:Option
%\Configure{crosslinks+}{}{}{}{}
% add explicit table of contents to OPF
\let\old:toc\a:tableofcontents
\def\a:tableofcontents{\old:toc\OpfRegisterFile}
\Configure{()}{$}{$}
\fi
\:CheckOption{kindle} \if:Option
\fi
%%
% We must test, it tableofcontents is empty, if yes, we must take special care to navmap
\newbool{tocnoempty}
\newcount\navpoint
\def\stepnavpoint{\advance\navpoint by1\relax\the\navpoint}
% define points for breaking section units to html pages
% we need to break long documents to smaller chunks, because e-readers are
% generally pretty weak devices
% use no-cut option if you don't want to break sections, or if you
% use your own cutting scheme in your .cfg file
\:CheckOption{no-cut}\if:Option\else
\ifdef\chapter{%
%\CutAt{chapter}\CutAt{likechapter}
% copied from tex4ht-html4.tex
\CutAt{part,appendix}
\CutAt{chapter,likechapter,appendix,part}
\CutAt{likechapter,appendix,part}
\CutAt{appendix,chapter,likechapter,part}
}{%
%\CutAt{section}\CutAt{likesection}}
\CutAt{section,likesection,part}
\CutAt{likesection,part}
}
\fi
% Commands for support of hiearchical table of contents
% Support for: chapter, section, subsection
\def\resettoclevels#1{%
\def\do##1{\csgdef{nav##1finish}{}}%
\docsvlist{#1}%
}
\def\usetoclevels#1{%
\def\do##1{\csuse{nav##1finish}}%
\docsvlist{#1}%
}
\def\finishtoclevel#1{%
\csgdef{nav#1finish}{\d:NavSection}%
}
\def\closelevels#1{%
\expandafter\usetoclevels\expandafter{#1}%
\expandafter\resettoclevels\expandafter{#1}%
}%
% 1 - section type 2 - closed sections
\def\navsection#1#2{%
\ConfigureToc{#1}%
{\expandafter\closelevels\expandafter{#2}%
\def\curr:sect:type{#1}\a:NavSection\Ncx:Mark}%
{\c:NavSection}%
{}%
{\b:NavSection%
\expandafter\finishtoclevel\expandafter{#1}%
}
}
% define closing groups for all levels defined in \Configure{resettoclevels}
\def\tmp:processlevel#1{%
\bgroup%
\csxdef{tmp:resettoclevels#1}{}%
\def\do##1{\csxdef{tmp:resettoclevels#1}{\csname tmp:resettoclevels#1\endcsname ##1,like##1,\appendix:type{##1}}}%
\def\tmp:parse##1#1##2\nil{%
\docsvlist{#1##2}%
}
\expandafter\tmp:parse\a:resettoclevels\nil%
\egroup%
\navsection{#1}{\csname tmp:resettoclevels#1\endcsname}%
% define hierarchy also for starred sections
\navsection{like#1}{\csname tmp:resettoclevels#1\endcsname}%
% and for appendices
\ifcsdef{appendix:type:#1}{\navsection{\csuse{appendix:type:#1}}{\csname tmp:resettoclevels#1\endcsname}}{}%
}
% define children levels for each sectioning level
\def\confnavsections{%
\def\do##1{%
\tmp:processlevel{##1}%
}
\expandafter\docsvlist\expandafter{\a:resettoclevels}
}
% As reported by Nat Kuhn on http://tex.stackexchange.com/q/209312/2891
% zeroes were printed as section numbers when secnumdepth counter was set to negative value
% so just strip then out
% \TitleMark does similar thing, but this solution is simpler, I hope it works correctly
\def\Ncx:Mark#1{%
\edef\:temp{#1}%
\def\z@ro{0}%
\ifx\:temp\z@ro\else#1\fi%
}
% to create correct hiearchical NCX for appendices, we register corresponding appendix types
% for various section types
\def\appendix:type#1{\ifcsdef{appendix:type:#1}{\csuse{appendix:type:#1},}{}}
\def\def:appendix:type#1#2{\csdef{appendix:type:#1}{#2}}
\def:appendix:type{chapter}{appendix}
\def:appendix:type{section}{appendixsec}
\def:appendix:type{subsection}{appendixsubsec}
\def:appendix:type{subsubsection}{appendixsubsubsec}
%
\def\ncx:head{%
\HCode{<head>\Hnewline}%
\HCode{<meta name="dtb:uid" content="\a:UniqueIdentifier"/>\Hnewline}%
\HCode{<meta name="dtb:depth" content="3"/>\Hnewline}%
\HCode{<meta name="dtb:totalPageCount" content="0"/>\Hnewline}%
\HCode{<meta name="dtb:maxPageNumber" content="0"/>\Hnewline}%
\HCode{</head>\Hnewline}%
}
\def\ncx:title{%
\HCode{<docTitle>\Hnewline<text>}\Title\HCode{</text>\Hnewline</docTitle>\Hnewline}%
}
% Get filename from tableofcontents anchor
\def\ncx:hfile#1{\LikeRef{)F\LikeRef{)Q#1}F-}}
\ExplSyntaxOn
% get filename for the section label
% sometimes, TeX4ht returns list of file numbers for label. we must use just
% the first number. we use the LaTeX 3 sequence list to get it.
\tl_new:N\ncx:hfilename
\def\ncx:newhfile#1{
\cs_if_exist:cTF{cw:)Q#1}{%
% cw:)Q#1 is csname of tag from the xref file. we convert it to sequence
\seq_set_from_clist:Nc\l_tmpa_seq{cw:)Q#1}%
% get first item and put it to a token list
\seq_get_left:NN \l_tmpa_seq \l_tmpa_tl%
% \RefFileNumber returns file name for the given file number
% \ncx:hfilename contains the filename for later use
\tl_set:Nx \ncx:hfilename {\RefFileNumber{\l_tmpa_tl}}%
}{% This shouldn't happen?
\tl_set:Nn \ncx:hfilename {}%
}
}
\ExplSyntaxOff
% define toc levels which should be included in the NCX file
\NewConfigure{resettoclevels}{1}
\Configure{resettoclevels}{part,appendix,chapter,section,subsection,subsubsection,paragraph}
\def\:tempa{%
\EndP%
\HtmlParOff%
\setcounter{tocdepth}{3}%
\special{t4ht>\jobname.ncx}%
% We don't want crosslinks in xml
% Basic sctructure of the ncx file
\NoFonts%
{\HCode{<?xml version="1.0" encoding="utf-8"?>\Hnewline}}%
{\a:NcxDoctype}%
{\Tg<ncx xmlns="http://www.daisy.org/z3986/2005/ncx/" version="2005-1">}{}%
% To print document map, we customize the tableofcontents. We don't want TOC title,
% so:
\let\contentsname=\empty%
\Configure{tableofcontents}{\boolfalse{tocnoempty}\Tg<navMap>}{%
\usetoclevels{part,appendix,chapter,likechapter,appendixsec,section,likesection,subsection,appendixsubsec,likesubsection,subsubsection,likesubsubsection,appendixsubsubsec,subsubsubsection,paragraph}%
\ifbool{tocnoempty}{}%
{\HCode{<navPoint id="mainentry" playOrder="1">%
<navLabel><text>Document</text></navLabel>%
<content src="\jobname.\:html" />%
</navPoint>}}%
\Tg</navMap>}{}{}{}%
% We need to configure TocLink
% in navmapsrc is link to the file and anchor, where chapter or section is located
\def\navmapsrc{}%
\Configure{TocLink}{%
\ncx:newhfile{##2}%
\def\navmapsrc{\ncx:hfilename\:sharp ##2}%
\opf:registerfilename{\ncx:hfilename}%
##4%
}
% Configuraion of entries
\expandafter\resettoclevels\expandafter{\a:resettoclevels}%
\confnavsections%
\HtmlParOff%
\Configure{toTocLink}{}{}%
\Configure{NavSection}{\booltrue{tocnoempty}\HCode{\Hnewline<navPoint id="navPoint-}%
\stepnavpoint\HCode{" playOrder="}%
\the\navpoint\HCode{">\Hnewline<navLabel>\Hnewline<text><navmark type="\curr:sect:type">}%
}{\HCode{</text>\Hnewline%
</navLabel>\Hnewline}%
\HCode{<content src="\navmapsrc" />}%
}{\HCode{</navmark>}}{\HCode{</navPoint>\Hnewline}}%
% Meta inf
\ncx:head%
% Book title
\ncx:title%
\TableOfContents[part,appendix,chapter,likechapter,appendixsec,section,likesection,appendixsubsec,subsection,likesubsection,subsubsection,likesubsubsection]%
%Hack to get close tag working
\HCode{</ncx>}%
\EndNoFonts
\special{t4ht<\jobname.ncx}
\HtmlParOn
}
\let\ncxtable\:tempa
%\else
%\fi
\def\print:opf:scheme#1{ opf:scheme="#1"}
\def\:tempa{%
% French language definition makes the : character active, which can cause compilation error
\ifdefined\XeTeXcharclass\XeTeXcharclass `\: \z@\fi%
\bgroup
\setcounter{tocdepth}{3}
% Basic sctructure of the opf file
\special{t4ht>content.opf}
\NoFonts
\HtmlParOff
{\HCode{<?xml version="1.0" encoding="utf-8"?>\Hnewline}}
\HCode{<package xmlns="http://www.idpf.org/2007/opf" unique-identifier="dcidid"
version="\a:EpubVersion">\Hnewline}
{\HCode{<metadata\Hnewline xmlns:dc="http://purl.org/dc/elements/1.1/"\Hnewline xmlns:opf="http://www.idpf.org/2007/opf">\Hnewline}}
{\HCode{<dc:title>}\Title\HCode{</dc:title>\Hnewline}}
{\HCode{<dc:language>}\GetLanguage\HCode{</dc:language>\Hnewline}}
%Add interface for such things
{\HCode{<dc:identifier id="dcidid" \print:opf:scheme\a:OpfScheme>\a:UniqueIdentifier}\HCode{</dc:identifier>\Hnewline}}
\def\and{\HCode{</dc:creator>\Hnewline<dc:creator>}}
{\HCode{<dc:creator>}{\a:@author\Author}\HCode{</dc:creator>\Hnewline}}
%{\HCode{<dc:contributor>\HP:file</dc:contributor>\Hnewline}}
{\HCode{<dc:date>}\:iso:date\HCode{</dc:date>}}
\a:OpfMetadata
\Tg</metadata>
% To print document map, we customize the tableofcontents. We don't want TOC title,
% so:
\let\contentsname=\empty
%\Configure{tableofcontents}{\Tg<navMap>}{\usetoclevels{part,chapter,section,subsection,subsubsection}\Tg</navMap>}{}{}{}
% We need to configure TocLink
% in navmapsrc is link to the file and anchor, where chapter or section is located
\def\navmapsrc{}
\HCode{\Hnewline<manifest>\Hnewline}
\HCode{<item id="ncx" href="\jobname.ncx" media-type="application/x-dtbncx+xml" />\Hnewline}
\HCode{<item id="stylesheet" href="\jobname.css" media-type="text/css"/>\Hnewline}
\renewcommand\do[1]{\HCode{<item id="\csuse{opf:entry##1}" \opf:properties{##1} href="##1" media-type="application/xhtml+xml" />\Hnewline}}
\expandafter\docsvlist\expandafter{\opf:htmlfiles}
\a:OpfManifest
%\Tg<manifest>
\special{t4ht<content.opf}
\special{t4ht>content-part2.opf}
\HCode{</manifest>\Hnewline}
\renewcommand\do[1]{\HCode{<itemref idref="\csuse{opf:entry##1}" />\Hnewline}}
\HCode{\Hnewline<spine toc="ncx">\Hnewline}
\expandafter\docsvlist\expandafter{\opf:htmlfiles}
% Next line is pattern to be replaced by lua code
\HCode{\Hnewline$\string{spine\string}\Hnewline}
\HCode{</spine>\Hnewline}
% insert guide
\opf:guide
\HCode{</guide>}
% Hack to get close tag working
\HCode{</package>}
\special{t4ht<content-part2.opf}
\HtmlParOn
\EndNoFonts
\egroup
%Hack!!
%\Configure{BODY}{}{\Tg</body>}
%\Configure{HTML}{}{\HCode{\Hnewline</html>\Hnewline}}%<!-- -->\Hnewline}}
}
\let\opftable\:tempa
\:CheckOption{epub3}
\if:Option
\input tex4ebook-epub3.4ht
\fi