% Written by Martin Mares <mj@ucw.cz> in 2018 and placed into public domain
% -------------------------------------------------------------------------
-% Should clickable links be produced?
-\newif\ifclickable
-\clickabletrue
-\fi
+\input ucw-link.tex
% We maintain a collection of objects. Each object has:
% - type (namespace -- e.g., chapter)
\def\delayedwriteid#1#2{\write\ids{\string\iddef{#1}{#2}{\refcurrentfile}}}
% Used in auxiliary files
-\def\iddef#1#2#3{\ifcsname id:#1\endcsname\immediate\write16{*** Warning: Identifier #1 re-defined ***}\else
+\def\iddef#1#2#3{\ifcsname id:#1\endcsname\ucwwarn{Identifier #1 re-defined}\else
\expandafter\def\csname id:#1\endcsname{#2}%
\expandafter\def\csname ff:#1\endcsname{#3}%
\fi}
\immediate\openin\ids=\jobname.ids.aux
\ifeof\ids
\else
-\input ids.aux
+\input \jobname.ids.aux
\fi
\immediate\closein\ids
\immediate\openout\ids=\jobname.ids.aux
\else
\edef\currentid{#1\optarg}%
\writeid{\currentid}{#2}%
- \ifclickable
- \pdfdest name {\currentid} xyz\relax
- \fi
+ \destpos{\currentid}%
\fi
}
% to the identifier #2 of type #1 with a label translated by macro #3 (use \relax
% for no translation).
\def\reflink#1#2#3{\expandafter\ifx\csname id:#1#2\endcsname\relax
- {\bo ??}%
+ {\ifx\bo\undefined\bf\else\bo\fi ??}%
\immediate\write16{*** Warning: Reference #1 undefined ***}%
\else
- \ifclickable
- \pdfstartlink\commonlinkargs goto name {#1}\relax
- \fi
- #3{\csname id:#1#2\endcsname}%
- \ifclickable
- \pdfendlink\relax
- \fi
+ \link{#1#2}{#3{\csname id:#1#2\endcsname}}%
\fi
}
-% Common style of all clickable links
-\pdflinkmargin=1pt
-\def\commonlinkargs{height 8pt depth 2pt attr {/C [0 0 0.5] /Border [0 0 2]}}
-
% Typeset a link to identifier #2 of type #1
\def\ref#1#2{\reflink{#1}{#2}\relax}
% Define an identifier of type page pointing to the current page
-\def\pageid#1{\delayedwriteid{page#1}{\the\count0}\ifclickable\pdfdest name {page#1} fit\relax\fi}
-
-% Typeset a reference to the given page number (used in tables of contents and indices,
-% where we know the page number from other sources).
-\def\pagelink#1{\ifclickable\pdfstartlink\commonlinkargs goto page #1 {/Fit}\relax #1\pdfendlink\else #1\fi}
-
-% Typeset a clickable URL
-% Currently, all weird characters must be properly escaped.
-\def\url#1{%
- \ifclickable
- \pdfstartlink\commonlinkargs user {/Subtype/Link /A << /Type/Action /S/URI /URI(#1) >>}\relax
- \fi
- \xurl #1^^X%
- \ifclickable
- \pdfendlink\relax
- \fi
-}
-\def\xurl#1:#2#3^^X{{\I #1:#2\ifx#2/\kern-0.1em\fi#3}}
+\def\pageid#1{\delayedwriteid{page#1}{\the\count0}\destpage{page#1}}
+\def\pageref{\ref{page}}