[NTG-context] No partial contents for parts after the first

Hans Hagen pragma at wxs.nl
Mon Nov 28 14:03:13 CET 2005


Giuseppe Bilotta wrote:

>Friday, November 25, 2005 Giuseppe Bilotta wrote:
>
>  
>
>>Thursday, November 24, 2005 Giuseppe Bilotta wrote:
>>    
>>
>
>  
>
>>>I'm using the latest ConTeXt reported here, and I'm noticing
>>>that partial contents for the second, third etc part are not
>>>available. I have a bunch of files each of which goes like
>>>      
>>>
>
>  
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>>>\part{some part}
>>>      
>>>
>
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>>>Some text (not always)
>>>      
>>>
>
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>>>\placecontent
>>>      
>>>
>
>  
>
>>>\chapter{some chapter}
>>>      
>>>
>
>  
>
>>>Each of this file is \input from the master file. However,
>>>only in the first part you actually see the (part-specific)
>>>content: every other part reports
>>>      
>>>
>
>  
>
>>>system          : part,chapter,section,subsection not found/processed
>>>      
>>>
>
>
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>>>The setup for the contents is as follows:
>>>      
>>>
>
>  
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>>>\setupcombinedlist[content]
>>>  [interaction=all,
>>>   partnumber=no,
>>>   alternative=c,
>>>   level=subsection]
>>>      
>>>
>
>  
>
>>>\setuphead[part][alternative=middle,placehead=yes,resetnumber=no]
>>>      
>>>
>
>  
>
>>>The problem is the 'resetnumber': if I take that off,
>>>everything works perfectly.
>>>      
>>>
>
>  
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>>I've been debugging this, and the reason for the thing not
>>coming up for parts after the first is that when
>>resetnumber=no the current level is not properly detected:
>>in one case you get
>>    
>>
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>  
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>>\currentlevel ->:1
>>    
>>
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>>in the other
>>    
>>
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>>\currentlevel ->:2:2:4:2
>>    
>>
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>>Which is obviously wrong. Indeed, the problem is here:
>>    
>>
>
>  
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>>\listentry{part}{1}{1}{Introduction}{2::1:0:0:0:0:0:0::7}{8}
>>\listentry{chapter}{2}{1}{Presentation}{2::1:1:0:0:0:0:0::8}{9}
>>\listentry{section}{3}{1.1}{History and
>>motivation}{2::1:1:1:0:0:0:0::8}{9}
>>\listentry{chapter}{11}{2}{The
>>basics}{2::1:2:0:0:0:0:0::12}{13}
>>\listentry{section}{12}{2.1}{Notation}{2::1:2:1:0:0:0:0::12}{13}
>>(more stuff)
>>\listentry{subsection}{78}{2.4.2}{Scaling the
>>coordinate system}{2::1:2:4:2:0:0:0::31}{32}
>>\listentry{part}{79}{2}{Mathematical
>>tools}{2::2:2:4:2:0:0:0::34}{35}
>>\listentry{chapter}{82}{3}{B�zier cubic
>>analysis}{2::2:3:0:0:0:0:0::35}{36}
>>    
>>
>
>  
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>>OOOPSIE! Since resetnumber=no, the listentry keeps the old
>>settings for chapter, section & the like. This is obviously
>>wrong. Even if the number is not reset, the sectionformat
>>*must* be reset, since at the beginning of the new
>>higher section(level) you are not in the previous one
>>anymore. So for example when starting a new part (with
>>resetnumber=no), and until
>>the first chapter of the new part is started we are in
>>chapter 0 for that part, not in chapter
>>'last-chapter-from-previous-part'.
>>    
>>
>
>  
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>>Can this be fixed?
>>    
>>
>
>
>Ok, I came up with a solution that seems to work:
>
>\def\definesection[#1]%
>  {\doifundefined{\??se#1}
>     {\doifelsenothing\firstsection
>        {\def\firstsection{#1}%
>         \setevalue{\??se#1\c!before}{\v!text}%
>         \setevalue{\??se\v!text\c!after}{#1}}
>        {\setevalue{\??se\commalistelement\c!after}{#1}%
>         \setevalue{\??se#1\c!before}{\lastsection}%
>         \setevalue{\??se\lastsection\c!after}{#1}}%
>      \advance\nofsections \plusone
>      \setevalue{\??se#1\c!level}{\the\nofsections}%
>      \letvalue{\??se#1\c!after}\empty
>      \setvalue{\e!next#1}{\@@nextsectionnumber{#1}}%
>      \setvalue{#1\c!number}{\@@longsectionnumber{#1}}%
>      \setvalue{#1\s!format}{\@@longformatnumber{#1}}%
>      \setevalue{\??by#1}{#1}%
>      \setevalue{\??by\v!by#1}{#1}%
>      \makecounter{\??se#1}%
>      \makecounter{\??se lastvalueof#1}% GB
>      \edef\lastsection{#1}%
>      \setvalue{\??sk#1}{#1}%
>      \letvalue{\??se#1\c!marking}\empty
>      \setupsection[#1][\c!previousnumber=\v!yes]}}%
>
>% New command preserves the value of the next sectionlevel
>% when resetnumber=no
>
>\def\checkpreservevalueafter#1%
>  {\ifnum\getvalue{\??se#1\c!level}<\the\nofsections
>     \edef\preservedsection{\getvalue{\??se#1\c!after}}%
>     \ifconditional\@@resetsubheadnumbers
>       \setcounter{\??se lastvalueof\preservedsection}%
>                  {0}%
>     \else
>       \setcounter{\??se lastvalueof\preservedsection}%
>                  {\countervalue{\??se\preservedsection}}%
>     \fi
>   \fi}
>
>\def\@@setsectionnumber#1#2%
>  {\letgvalueempty{\??se#1\s!start}% signal i.p.v. boolean
>   \setcounter{\??se#1}{#2}%
>   \checkpreservevalueafter{#1}
>   \resetsectioncounters{#1}
>   \checkpagecounter}
>
>\def\@@nextsectionnumber#1%
>  {\letgvalueempty{\??se#1\s!start}% signal i.p.v. boolean
>   \ifnum\countervalue{\??se lastvalueof#1}>\zerocount
>     \setcounter{\??se#1}{\countervalue{\??se lastvalueof#1}}
>     \setcounter{\??se lastvalueof#1}{0}
>   \fi
>   \pluscounter{\??se#1}%
>   \checkpreservevalueafter{#1}
>   \resetsectioncounters{#1}
>   \checkpagecounter}
>
>This has been tested in a fairly complex document (some
>levels with resetnumber=no, some with the usual resetnumber;
>sectionblocks etc). It works, and fixes the placecontent not
>working. Will this go into mainline?
>
>  
>
no problem, until some other problem shows up -)

Hans


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