[manpages] Update txt2man to 1.7.1
Signed-off-by: Kay Lin <i@v2bv.net>
This commit is contained in:
Kay Lin
Ming-Hung Tsai
parent
2d201c5483
commit
6f1a6a59dd
170
bin/txt2man
170
bin/txt2man
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@ -1,5 +1,4 @@
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#!/bin/sh
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test "$HOME" = ~ || exec ksh $0 "$@" # try ksh if sh too old (not yet POSIX)
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# Copyright (C) 2001, 2002, 2003 Marc Vertes
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@ -18,7 +17,7 @@ test "$HOME" = ~ || exec ksh $0 "$@" # try ksh if sh too old (not yet POSIX)
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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# 02111-1307, USA.
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# txt2man-1.5
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# release 1.7.1
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usage()
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{
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@ -27,7 +26,7 @@ NAME
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txt2man - convert flat ASCII text to man page format
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SYNOPSIS
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txt2man [-hpTX] [-t mytitle] [-P pname] [-r rel] [-s sect]
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[-v vol] [-I txt] [-B txt] [ifile]
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[-v vol] [-I txt] [-B txt] [-d date] [ifile]
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DESCRIPTION
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txt2man converts the input text into nroff/troff standard man(7)
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macros used to format Unix manual pages. Nice pages can be generated
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@ -45,26 +44,32 @@ DESCRIPTION
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Here is how text patterns are recognized and processed:
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Sections These headers are defined by a line in upper case, starting
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column 1. If there is one or more leading spaces, a
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sub-section will be generated instead.
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sub-section will be generated instead. Optionally, the
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Section name can be preceded by a blank line. This is useful
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for a better visualization of the source text to be used to
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generate the manpage.
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Paragraphs They must be separated by a blank line, and left aligned.
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Alternatively two blank spaces can be used to produce the
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same result. This option will provide a better visualization
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of the source text to be used to generate the manpage.
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Tag list The item definition is separated from the item description
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by at least 2 blank spaces, even before a new line, if
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definition is too long. Definition will be emphasized
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by default.
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Bullet list
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Bullet list items are defined by the first word being "-"
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or "*" or "o".
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or "*" or "o".
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Enumerated list
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The first word must be a number followed by a dot.
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The first word must be a number followed by a dot.
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Literal display blocks
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This paragraph type is used to display unmodified text,
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for example source code. It must be separated by a blank
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line, and be indented. It is primarily used to format
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unmodified source code. It will be printed using fixed font
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whenever possible (troff).
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This paragraph type is used to display unmodified text,
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for example source code. It must be separated by a blank
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line and be indented by a TAB. It is primarily used to format
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unmodified source code. It will be printed using fixed font
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whenever possible (troff).
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Cross references
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A cross reference (another man page) is defined by a word
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followed by a number in parenthesis.
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A cross reference (another man page) is defined by a word
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followed by a number in parenthesis.
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Special sections:
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NAME The function or command name and short description are set in
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@ -72,37 +77,45 @@ DESCRIPTION
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SYNOPSIS This section receives a special treatment to identify command
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name, flags and arguments, and propagate corresponding
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attributes later in the text. If a C like function is recognized
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(word immediately followed by an open parenthesis), txt2man will
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print function name in bold font, types in normal font, and
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variables in italic font. The whole section will be printed using
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a fixed font family (courier) whenever possible (troff).
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(word immediately followed by an open parenthesis), txt2man will
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print function name in bold font, types in normal font, and
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variables in italic font. The whole section will be printed using
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a fixed font family (courier) whenever possible (troff).
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It is a good practice to embed documentation into source code, by using
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comments or constant text variables. txt2man allows to do that, keeping
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comments or constant text variables. txt2man allows one to do that, keeping
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the document source readable, usable even without further formatting
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(i.e. for online help) and easy to write. The result is high quality
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and standard complying document.
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OPTIONS
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-h The option -h displays help.
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-d date Set date in header. Defaults to current date.
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-P pname Set pname as project name in header. Default to uname -s.
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-p Probe title, section name and volume.
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-t mytitle Set mytitle as title of generated man page.
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-r rel Set rel as project name and release.
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-s sect Set sect as section in heading, ususally a value from 1 to 8.
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-s sect Set sect as section in heading, usually a value from 1 to 8.
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-v vol Set vol as volume name, i.e. "Unix user 's manual".
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-I txt Italicize txt in output. Can be specified more than once.
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-B txt Emphasize (bold) txt in output. Can be specified more than once.
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-T Text result previewing using PAGER, usually more(1).
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-X X11 result previewing using gxditview(1).
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ENVIRONMENT
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PAGER name of paging command, usually more(1), or less(1). If not set
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falls back to more(1).
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EXAMPLE
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PAGER name of paging command, usually more(1), or less(1). If not set
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falls back to more(1).
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SOURCE_DATE_EPOCH Unix timestamp that is used for date in header instead
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of current date.
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EXAMPLES
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Try this command to format this text itself:
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$ txt2man -h 2>&1 | txt2man -T
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$ txt2man -h 2>&1 | txt2man -T
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The following command will generate a manpage level 1 to foo-1.1.0 program,
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from foo.txt file, used as source code to previously mentioned manpage:
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$ txt2man -d "15 May 2016" -t foo -r foo-1.1.0 -s 1 -v "show stars on screen" foo.txt > foo.1
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HINTS
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To obtain an overall good formating of output document, keep paragraphs
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To obtain an overall good formatting of output document, keep paragraphs
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indented correctly. If you have unwanted bold sections, search for
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multiple spaces between words, which are used to identify a tag list
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(term followed by a description). Choose also carefully the name of
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@ -127,47 +140,65 @@ doprobe=
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itxt=
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btxt=
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post=cat
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while getopts :hpTXr:s:t:v:P:I:B: opt
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while getopts :d:hpTXr:s:t:v:P:I:B: opt
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do
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case $opt in
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r) rel=$OPTARG;;
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t) title=$OPTARG;;
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s) section=$OPTARG;;
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v) volume=$OPTARG;;
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P) sys=$OPTARG;;
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p) doprobe=1;;
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I) itxt="$OPTARG§$itxt";;
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B) btxt=$OPTARG;;
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T) post="groff -mandoc -Tlatin1 | ${PAGER:-more}";;
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X) post="groff -mandoc -X";;
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*) usage; exit;;
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(d) date=$OPTARG;;
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(r) rel=$OPTARG;;
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(t) title=$OPTARG;;
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(s) section=$OPTARG;;
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(v) volume=$OPTARG;;
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(P) sys=$OPTARG;;
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(p) doprobe=1;;
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(I) itxt="$OPTARG§$itxt";;
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(B) btxt="$OPTARG§$btxt";;
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(T) post="groff -mandoc -Tlatin1 | ${PAGER:-more}";;
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(X) post="groff -mandoc -TX100-12 -rS12";;
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(*) usage; exit;;
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esac
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done
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shift $(($OPTIND - 1))
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# Compatibility wrapper for BSD/GNU date, for parsing dates
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if date -j >/dev/null 2>&1; then
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pdate() { date -u -j -f '@%s' "$@"; }
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else
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pdate() { date -u -d "$@"; }
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fi
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if [ -n "$SOURCE_DATE_EPOCH" ]; then
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date=$(LC_ALL=C pdate "@$SOURCE_DATE_EPOCH" +'%d %B %Y')
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fi
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date=${date:-$(LC_ALL=C date -u +'%d %B %Y')}
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if test "$doprobe"
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then
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title=${1##*/}; title=${title%.txt}
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section="8"
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volume="System Manager's Manual"
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if grep -q '#include ' $1
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then
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section=${section:-3}
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volume=${volume:-"$sys Programmer's Manual"}
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else
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section=${section:-1}
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volume=${volume:-"$sys Reference Manual"}
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fi
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# get release from path
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#rel=$(pwd | sed 's:/.*[^0-9]/::g; s:/.*::g')
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rel="Device Mapper Tools"
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rel=${rel:-"$(pwd | sed 's:/.*[^0-9]/::g; s:/.*::g')"}
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fi
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head=".\\\" Text automatically generated by txt2man
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.TH $title $section \"$rel\" \"$volume\""
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head="\" Text automatically generated by txt2man
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.TH $title $section \"$date\" \"$rel\" \"$volume\""
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# All tabs converted to spaces
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expand $* |
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# gawk is needed because use of non standard regexp
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gawk --re-interval -v head="$head" -v itxt="$itxt" -v btxt="$btxt" '
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BEGIN {
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print head
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print ".\\" head
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avar[1] = btxt; avar[2] = itxt
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for (k in avar) {
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mark = (k == 1) ? "\\fB" : "\\fI"
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split(avar[k], tt, "§")
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split(avar[k], tt, "§")
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for (i in tt)
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if (tt[i] != "")
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subwords["\\<" tt[i] "\\>"] = mark tt[i] "\\fP"
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@ -179,11 +210,11 @@ BEGIN {
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}
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{
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# to avoid some side effects in regexp
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sub(/\.\.\./, "\\.\\.\\.")
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gsub(/\.\.\./, "\\.\\.\\.")
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# remove spaces in empty lines
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sub(/^ +$/,"")
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}
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/^[[:upper:][:space:]]+$/ {
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/^[:space:]*[[:upper:][:digit:]]+[[:upper:][:space:][:digit:][:punct:]]+$/ {
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# Section header
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if ((in_bd + 0) == 1) {
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in_bd = 0
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@ -199,8 +230,10 @@ BEGIN {
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print ".SS" $0
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sub(/^ +/, "")
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section = $0
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if (section == "SYNOPSIS")
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if (section == "SYNOPSIS") {
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print ".nf\n.fam C"
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in_bd = 1
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}
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ls = 0 # line start index
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pls = 0 # previous line start index
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pnzls = 0 # previous non zero line start index
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@ -216,7 +249,7 @@ BEGIN {
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pnzls = ls
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match($0, /[^ ]/)
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ls = RSTART
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if (pls == 0 && pnzls > 0 && ls > pnzls && $1 !~ /^[0-9\-\*\o]\.*$/) {
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if (in_bd == 0 && pls == 0 && pnzls > 0 && ls > pnzls && $1 !~ /^[\-\*o]$|^[0-9]+\.$/) {
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# example display block
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if (prevblankline == 1) {
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print ".PP"
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@ -230,8 +263,10 @@ BEGIN {
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ind[0] = ls
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}
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(in_bd + 0) == 1 {
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# In example display block
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if (ls != 0 && ls < eoff) {
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# In block display
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if (section == "SYNOPSIS")
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;
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else if (ls != 0 && ls < eoff) {
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# End of litteral display block
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in_bd = 0
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print ".fam T\n.fi"
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@ -244,11 +279,12 @@ section == "NAME" {
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section == "SYNOPSIS" {
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# Identify arguments of fcts and cmds
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if (type["SYNOPSIS"] == "") {
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if (index($0, "(") == 0 && index($0, ")") == 0 &&
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index($0, "#include") == 0)
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type["SYNOPSIS"] = "cmd"
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else
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if ($0 ~ /\(/)
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type["SYNOPSIS"] = "fct"
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else if ($1 == "struct" || $2 == "struct")
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type["SYNOPSIS"] = "struct"
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else if ($1 && $1 !~ /^#|typedef|struct|union|enum/)
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type["SYNOPSIS"] = "cmd"
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}
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if (type["SYNOPSIS"] == "cmd") {
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# Line is a command line
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@ -263,19 +299,19 @@ section == "SYNOPSIS" {
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if (a ~ /^[^\-]/)
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subwords["\\<" a "\\>"] = "\\fI" a "\\fP"
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}
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} else {
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} else if (type["SYNOPSIS"] == "fct") {
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# Line is a C function definition
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if ($1 == "typedef")
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subwords["\\<" $2 "\\>"] = "\\fI" $2 "\\fP"
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else if ($1 == "#define")
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if ($1 == "typedef") {
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if ($0 !~ /\(\*/)
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subwords["\\<" $2 "\\>"] = "\\fI" $2 "\\fP"
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} else if ($1 == "#define")
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subwords["\\<" $2 "\\>"] = "\\fI" $2 "\\fP"
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for (i = 1; i <= NF; i++) {
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if ($i ~ /[\,\)]/) {
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if ($i ~ /[,\)];*$/) {
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a = $i
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sub(/.*\(/, "", a)
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gsub(/\W/, "", a)
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if (a !~ /^void$/)
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subwords["\\<" a "\\>"] = "\\fI" a "\\fP"
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subwords["\\<" a "\\>"] = "\\fI" a "\\fP"
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}
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}
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}
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@ -298,13 +334,19 @@ section == "SYNOPSIS" {
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}
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}
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# word attributes
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for (i in subwords)
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gsub(i, subwords[i])
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n = asorti(subwords, indices)
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for (i = 1; i <= n; i++)
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gsub(indices[i], subwords[indices[i]])
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# shell options
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gsub(/\B\-+\w+(\-\w+)*/, "\\fB&\\fP")
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# unprotect dots inside words
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gsub(/_dOt_/, ".")
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if (section == "SYNOPSIS") {
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sub(/^ /, "")
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print
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next
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}
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if (match($0, /[^ ] +/) > 0) {
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# tag list item
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adjust_indent()
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@ -347,6 +389,8 @@ section == "SYNOPSIS" {
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}
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if (section != "SYNOPSIS" || $0 ~ /^ {1,4}/)
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sub(/ */,"")
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# Protect lines starting by simple quotes
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sub(/^'\''/, "\\(cq")
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print
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}
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