f

#### Messing with listings vs. hyperref

In an application I'd like to create several verbatim like environments.
Say I have two different envrionements. I'd like each to use its own
counter and each to use its own name.

In addition, they should be auto numbered even if the user does not use
the caption option.

All of this is doable fairly easy.

But if hyperref is then added, I keep getting those pesky

pdfTeX warning (ext4): destination with the same identifier

warnings. Presumably because somewhere internally in listings the
'listings' or 'lstnumber' name have been given directly to some hyperref
command.

Does anyone have ideas as to how one can fix this small snag?

MWE listed below (use pdflatex to get the pdftex warnings)

\documentclass[a4paper]{article}
\usepackage{listings,caption,etoolbox}

\newcounter{foo}
\renewcommand\thefoo{\thesection.\arabic{foo}}
\newcommand\fooname{Foo}
\newcounter{bar}
\renewcommand\thebar{\thesection.\arabic{bar}}
\newcommand\barname{Bar}

\makeatletter

\newtoggle{capactive}
% this is a direct copy of listings caption key. We just add a toggle
% such we can know when it is being used
\lst@Key{caption}\relax{%
\lstKV@OptArg[{#1}]{#1}%
{\def\lst@caption{##2}\def\lst@@caption{##1}}%
\toggletrue{capactive}%
\let\lst@title\@empty}

% replica of the original caption key without the toggle. We will use this
% internally to be able to auto number our constuctions when there is
% no direct caption.
\lst@Key{nocaption}\relax{\lstKV@OptArg[{#1}]{#1}%
{\def\lst@caption{##2}\def\lst@@caption{##1}}%
\let\lst@title\@empty}

% This next bit is caption configuration. Special thanks for the auto
% caption idea to Ulrike Fischer
\DeclareCaptionTextFormat{gobble}{}

\newcommand\SnRCaptionSetupIfEmpty{

\iftoggle{capactive}{}{\captionsetup[lstlisting]{labelsep=none,textformat=gobble}}}

\providecommand\letcountercounter[2]{
\csletcs{c@#1}{c@#2}
\csletcs{the#1}{the#2}
}
\makeatother

\lstnewenvironment{Foo}[1][]{
\letcountercounter{lstlisting}{foo}
\let\lstlistingname\fooname
\lstset{nocaption=x}
\lstset{frame=single,#1}
\SnRCaptionSetupIfEmpty
}{}

\lstnewenvironment{Bar}[1][]{
\letcountercounter{lstlisting}{bar}
\let\lstlistingname\barname
\lstset{nocaption=x}
\lstset{frame=single,#1}
\SnRCaptionSetupIfEmpty
}{}

\usepackage{hyperref}

\begin{document}

\section{Test}
\label{sec:test}

\begin{Foo}
dsfsdf
\end{Foo}

\begin{Bar}
sdfsdf
\end{Bar}

\begin{Foo}
sdsdfsdfsdfsdf
\end{Foo}

\end{document}

--

/daleif (remove RTFSIGNATURE from email address)

Memoir and mh bundle maintainer
LaTeX FAQ:      http://www.tex.ac.uk/faq
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Remember to post minimal examples, see URL below
http://www.minimalbeispiel.de/mini-en.html

 0
daleif1329 (544)
8/25/2011 1:57:17 PM
comp.text.tex 39027 articles. 3 followers.

6 Replies
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Lars Madsen <daleif@RTFMSIGNATUREimf.au.dk> wrote:

> But if hyperref is then added, I keep getting those pesky
>
>   pdfTeX warning (ext4): destination with the same identifier
>
> warnings. Presumably because somewhere internally in listings the
> 'listings' or 'lstnumber' name have been given directly to some hyperref
> command.

hyperref needs unique counter names and supports \theH<counter>
for a unique definition.

> \newcounter{foo}
> \renewcommand\thefoo{\thesection.\arabic{foo}}
> \newcommand\fooname{Foo}
> \newcounter{bar}
> \renewcommand\thebar{\thesection.\arabic{bar}}
> \newcommand\barname{Bar}

> \providecommand\letcountercounter[2]{
>     \csletcs{c@#1}{c@#2}
>     \csletcs{the#1}{the#2}
> }

\newcommand*{\foobarnumber}[1]{%
\begingroup
\global\let\gtmp@theHlstnumber\theHlstnumber
\toks@\expandafter{\theHlstnumber}%
\xdef\gtmp@theHlstnumber{#1-\the\toks@}%
\endgroup
\let\theHlstnumber\gtmp@theHlstnumber
\def\theHlstlisting{%
lst.#1-\csname the\@ifundefined{theH#1}{}{H}#1\endcsname
}%
}

> \makeatother
>
> \lstnewenvironment{Foo}[1][]{
>    \letcountercounter{lstlisting}{foo}

\foobarnumber{foo}%

>    \let\lstlistingname\fooname
>    \lstset{nocaption=x}
>    \lstset{frame=single,#1}
>    \SnRCaptionSetupIfEmpty
> }{}
>
> \lstnewenvironment{Bar}[1][]{
>    \letcountercounter{lstlisting}{bar}

\foobarnumber{bar}%

>    \let\lstlistingname\barname
>    \lstset{nocaption=x}
>    \lstset{frame=single,#1}
>    \SnRCaptionSetupIfEmpty
> }{}

--
Heiko Oberdiek

 0
8/26/2011 4:09:37 AM
Heiko Oberdiek wrote, On 2011-08-26 06:09:
>
>> But if hyperref is then added, I keep getting those pesky
>>
>>   pdfTeX warning (ext4): destination with the same identifier
>>
>> warnings. Presumably because somewhere internally in listings the
>> 'listings' or 'lstnumber' name have been given directly to some hyperref
>> command.
>
> hyperref needs unique counter names and supports \theH<counter>
> for a unique definition.
>
>> \newcounter{foo}
>> \renewcommand\thefoo{\thesection.\arabic{foo}}
>> \newcommand\fooname{Foo}
>> \newcounter{bar}
>> \renewcommand\thebar{\thesection.\arabic{bar}}
>> \newcommand\barname{Bar}
>
>> \providecommand\letcountercounter[2]{
>>     \csletcs{c@#1}{c@#2}
>>     \csletcs{the#1}{the#2}
>> }
>
> \newcommand*{\foobarnumber}[1]{%
>   \begingroup
>     \global\let\gtmp@theHlstnumber\theHlstnumber
>     \toks@\expandafter{\theHlstnumber}%
>     \xdef\gtmp@theHlstnumber{#1-\the\toks@}%
>   \endgroup
>   \let\theHlstnumber\gtmp@theHlstnumber
>   \def\theHlstlisting{%
>     lst.#1-\csname the\@ifundefined{theH#1}{}{H}#1\endcsname
>   }%
> }
>
>> \makeatother
>>
>> \lstnewenvironment{Foo}[1][]{
>>    \letcountercounter{lstlisting}{foo}
>
>   \foobarnumber{foo}%
>
>>    \let\lstlistingname\fooname
>>    \lstset{nocaption=x}
>>    \lstset{frame=single,#1}
>>    \SnRCaptionSetupIfEmpty
>> }{}
>>
>> \lstnewenvironment{Bar}[1][]{
>>    \letcountercounter{lstlisting}{bar}
>
>   \foobarnumber{bar}%
>
>>    \let\lstlistingname\barname
>>    \lstset{nocaption=x}
>>    \lstset{frame=single,#1}
>>    \SnRCaptionSetupIfEmpty
>> }{}
>

that worked beautifully, thanks.

--

/daleif (remove RTFSIGNATURE from email address)

Memoir and mh bundle maintainer
LaTeX FAQ:      http://www.tex.ac.uk/faq
LaTeX book:     http://www.imf.au.dk/system/latex/bog/  (in Danish)
Remember to post minimal examples, see URL below
http://www.minimalbeispiel.de/mini-en.html

 0
daleif1329 (544)
8/26/2011 8:24:10 AM
In my experience, \refstepcounter does give this type of error in pdf mode. I had a similar problem recently with the following.

\newcounter{notecnt}[section]
\newenvironment{note}{%
\refstepcounter{notecnt}%
\smallbreak
\textbf{Note~\thesection.\thenotecnt}\enskip
}{%
\nobreak\@nobreaktrue
}

I had to get along quickly, and so I tried the following and it has so far worked, but I am not comfortable with it. \@currentlabel and others revert back to their previous states after the environment. Maybe I can find some help here.

\newenvironment{note}{%
\stepcounter{notecnt}%
\protected@edef\@currentlabel{\thesection.\thenotecnt}%
\def\@currentlabelname{note}%
\def\@currentHref{note.\@currentlabel}%
\smallbreak
\textbf{Note~\thesection.\thenotecnt}\enskip
}{%
\nobreak\@nobreaktrue
}

I don't know why we have global in

\global\let\gtmp@theHlstnumber\theHlstnumber

and again another global in

\xdef\gtmp@theHlstnumber{#1-\the\toks@}

 0
amusa22 (300)
8/26/2011 6:19:40 PM
Ahmed Musa wrote, On 2011-08-26 20:19:
> In my experience, \refstepcounter does give this type of error in pdf mode. I had a similar problem recently with the following.
>
> \newcounter{notecnt}[section]
> \newenvironment{note}{%
>   \refstepcounter{notecnt}%
>   \smallbreak
>   \textbf{Note~\thesection.\thenotecnt}\enskip
> }{%
>   \nobreak\@nobreaktrue
> }
>
> I had to get along quickly, and so I tried the following and it has so far worked, but I am not comfortable with it. \@currentlabel and others revert back to their previous states after the environment. Maybe I can find some help here.
>
> \newenvironment{note}{%
>   \stepcounter{notecnt}%
>   \protected@edef\@currentlabel{\thesection.\thenotecnt}%
>   \def\@currentlabelname{note}%
>   \def\@currentHref{note.\@currentlabel}%
>   \smallbreak
>   \textbf{Note~\thesection.\thenotecnt}\enskip
> }{%
>   \nobreak\@nobreaktrue
> }
>
> I don't know why we have global in
>
>   \global\let\gtmp@theHlstnumber\theHlstnumber
>
> and again another global in
>
>   \xdef\gtmp@theHlstnumber{#1-\the\toks@}

use \phantomsection just before \refstepcounter to give it something to
anchor to when hyperref is active, that usually works for me

--

/daleif (remove RTFSIGNATURE from email address)

Memoir and mh bundle maintainer
LaTeX FAQ:      http://www.tex.ac.uk/faq
LaTeX book:     http://www.imf.au.dk/system/latex/bog/  (in Danish)
Remember to post minimal examples, see URL below
http://www.minimalbeispiel.de/mini-en.html

 0
daleif1329 (544)
8/29/2011 7:49:08 AM
Lars Madsen <daleif@RTFMSIGNATUREimf.au.dk> wrote:

> use \phantomsection just before \refstepcounter to give it something to
> anchor to when hyperref is active, that usually works for me

Usually \refstepcounter is already creating an anchor.

--
Heiko Oberdiek

 0
8/29/2011 9:10:35 AM
Heiko Oberdiek wrote, On 2011-08-29 11:10:
>
>> use \phantomsection just before \refstepcounter to give it something to
>> anchor to when hyperref is active, that usually works for me
>
> Usually \refstepcounter is already creating an anchor.
>

my bad, it is in relation to internal auto generated labels I always use
\phantomsection in my own constructions

--

/daleif (remove RTFSIGNATURE from email address)

Memoir and mh bundle maintainer
LaTeX FAQ:      http://www.tex.ac.uk/faq
LaTeX book:     http://www.imf.au.dk/system/latex/bog/  (in Danish)
Remember to post minimal examples, see URL below
http://www.minimalbeispiel.de/mini-en.html

 0
daleif1329 (544)
8/29/2011 9:27:06 AM

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Re: Sort a List, in a List of Lists of Lists
On 11/13/10 at 12:59 AM, leigh.pascoe@inserm.fr wrote: >I have a lsit of Lists of Lists: >{{{1,2},{2,1},{1,1}},{{1,1},{1,1},{1,2}},{{2,1},{2,2},{1,2}},{{2,2}, >{1,2},{2,2}},{{1,1},{2,1},{1,2}},{{1,2},{2, 2},{2,2}}} >I would like to sort the elements in the lowest level of brackets to >give >{{{1, 2}, {1, 2}, {1, 1}}, {{1, 1}, {1, 1}, {1, 2}}, {{1, 2}, {2, >2}, {1, 2}}, {{2, 2}, {1, 2}, {2, 2}}, {{1, 1}, {1, 2}, {1, 2}}, >{{1, 2}, {2, 2}, {2, 2}}} >i.e retaining the same structure with the paired elements in the >original order. I can't seem...

How to search list of particular text values into free text
Hi All, Please if anyone has idea about how to search particular list of text values from one small table to free text variable in large dataset and when finds the value, update the large dataset. I have small lookup table (around 120 records) for example: Category Types; Type_1 Mangos, Type_1 Pineapples, Type_2 Onions, Type_2 Tomatoes, … Type_n typeN. Now I need to search each particular text values (variable-Types) from the above small table into my large dataset which has free text variable called “Order_details”. For example: Order_details: The last order was for the Mangos on Nov 11...

Benefits of P-Lists vs Structs vs Classes?
I'm working on a citation management system for academic publications and I'm wondering about the trade-offs representing citations as plists, structs, or classes. Currently the system uses plists to represent citations. They look something like: '(:author "Mark Twain" :selection "Some Thoughts on the Science of Onanism" :title "Selected Short Works of Mark Twain" :publisher "Right Hand Publishing" :year 2009 :pages (27 31)) These plist citations are raw data, they are written out in whatever format the us...

CLHS: make-list vs. make-fresh-list
Hello, I am just wondering if there is some intention behind make-list which was forgotten to explicitly state in the CLHS. It says "Returns a list of length given by size, each of the elements of which is initial-element." but I'd guess it wanted to say "Returns a /fresh/ list of length given by size, each of the elements of which is initial-element." In other words, it seems to me that the CLHS would allow an implementation such as (defparameter *big-list* ()) ; not big yet, but growing. (defparameter *big-list-size* 0) ; dto. (defun make...

Web resources about - Messing with listings vs. hyperref - comp.text.tex

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