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-rw-r--r--tex/context/base/spac-ali.mkiv1172
1 files changed, 637 insertions, 535 deletions
diff --git a/tex/context/base/spac-ali.mkiv b/tex/context/base/spac-ali.mkiv
index 371701a01..16fdddea6 100644
--- a/tex/context/base/spac-ali.mkiv
+++ b/tex/context/base/spac-ali.mkiv
@@ -15,18 +15,31 @@
\unprotect
+%D The \type {new} and \type {old} methods are gone as we now have \type
+%D {flush*} variants. Starting at the last day of 2011 both methods are
+%D merged into one and caching has been added, which makes switching
+%D twice as fast.
+
\registerctxluafile{spac-ali}{1.001}
\definesystemattribute[realign] [public] % might be combined with the next one
\definesystemattribute[alignstate][public] % will make a single attributes for several states
+\appendtoks
+ \attribute\realignattribute \attributeunsetvalue
+ \attribute\alignstateattribute\attributeunsetvalue
+\to \everyforgetall
+
\unexpanded\def\resetrealignsignal{\attribute\realignattribute\attributeunsetvalue}
\unexpanded\def\signalinnerrealign{\ctxcommand{setrealign(2)}}
\unexpanded\def\signalouterrealign{\ctxcommand{setrealign(1)}}
-\appendtoks
- \resetrealignsignal
-\to \everyforgetall
+\installcorenamespace{aligncommand}
+\installcorenamespace{alignhorizontal}
+\installcorenamespace{alignvertical}
+\installcorenamespace{alignmentcache}
+
+\newtoks\everyresetalign % todo
% We will not use bodydir and pagedir so we disable them. That way we get
% normal hyperlink support.
@@ -122,344 +135,609 @@
display:\ifconditional\displaylefttoright l2r\else r2l\fi\space
inline:\ifconditional \inlinelefttoright l2r\else r2l\fi\space
]\endgroup}
-
-\def\dodefinehbox[#1][#2]%
- {\setvalue{hbox#1}##1{\hbox to #2{\begstrut##1\endstrut\hss}}}
-\unexpanded\def\definehbox
- {\dodoubleargument\dodefinehbox}
+% Tolerance and hyphenation
-% To be redone:
+\newcount\hyphenminoffset
-\unexpanded\def\ibox#1#2#3%
- {\vbox\bgroup
- \forgetall
- \let\\=\endgraf
- \ifdoublesided\signalinnerrealign\fi
- \doifrightpageelse\raggedright\raggedleft
- \let\next}
+\ifx\sethyphenationvariables\undefined \let\sethyphenationvariables\relax \fi
-\unexpanded\def\obox#1#2#3%
- {\vbox\bgroup
- \forgetall
- \let\\=\endgraf
- \ifdoublesided\signalouterrealign\fi
- \doifrightpageelse\raggedleft\raggedright
- \let\next}
+\unexpanded\def\lesshyphens
+ {\advance\hyphenminoffset\plusone
+ \sethyphenationvariables}
-\def\@@ragged@@command{@@ragged@@c}
-\def\@@ragged@@hbox {@@ragged@@h}
-\def\@@ragged@@vbox {@@ragged@@v}
+\unexpanded\def\morehyphens
+ {\ifcase\hyphenminoffset \else
+ \advance\hyphenminoffset\minusone
+ \fi
+ \sethyphenationvariables}
-\def\dosetraggedvbox#1% can be more keys
- {\let\raggedbox\vbox
- \processcommacommand[#1]\dodosetraggedvbox}
-\def\dosetraggedhbox#1% can be more keys
- {\let\raggedbox\hbox
- \processcommacommand[#1]\dodosetraggedhbox}
+\unexpanded\def\nohyphens % % % % % not clever, we still hyphenate but supress application
+ {\ifx\dohyphens\relax
+ \edef\dohyphens
+ {\hyphenpenalty \the\hyphenpenalty
+ \exhyphenpenalty\the\exhyphenpenalty
+ \relax}%
+ \fi
+ \hyphenpenalty\plustenthousand
+ \exhyphenpenalty\plustenthousand}
-\def\dodosetraggedvbox#1%
- {\ifcsname\@@ragged@@vbox#1\endcsname
- \csname\@@ragged@@vbox#1\endcsname
- \quitcommalist
- \fi}
+\let\dohyphens\relax
-\def\dodosetraggedhbox#1%
- {\ifcsname\@@ragged@@hbox#1\endcsname
- \csname\@@ragged@@hbox#1\endcsname
- \quitcommalist
- \fi}
+\newcount\c_spacing_minimum_tolerance \c_spacing_minimum_tolerance = 1500
+\newcount\c_spacing_normal_tolerance \c_spacing_normal_tolerance = 3000
+\newcount\c_spacing_extreme_tolerance \c_spacing_extreme_tolerance = 4500
-\setvalue{\@@ragged@@vbox\v!left }{\let\raggedbox\lbox}
-\setvalue{\@@ragged@@vbox\v!right }{\let\raggedbox\rbox}
-\setvalue{\@@ragged@@vbox\v!middle }{\let\raggedbox\cbox}
-\setvalue{\@@ragged@@vbox\v!inner }{\let\raggedbox\ibox}
-\setvalue{\@@ragged@@vbox\v!outer }{\let\raggedbox\obox}
-\setvalue{\@@ragged@@vbox\v!flushleft }{\let\raggedbox\rbox}
-\setvalue{\@@ragged@@vbox\v!flushright}{\let\raggedbox\lbox}
-\setvalue{\@@ragged@@vbox\v!center }{\let\raggedbox\cbox}
-\setvalue{\@@ragged@@vbox\v!no }{\def\raggedbox{\vbox\bgroup\raggedright\let\next=}]}
+\def\spacing_raggedness_left {\plustwo\bodyfontsize}
+\def\spacing_raggedness_right {\plustwo\bodyfontsize}
+\def\spacing_raggedness_middle{\plussix\bodyfontsize} % overloaded below
-\setvalue{\@@ragged@@hbox\v!left }{\def\raggedbox{\doalignedline\v!left }}
-\setvalue{\@@ragged@@hbox\v!right }{\def\raggedbox{\doalignedline\v!right }}
-\setvalue{\@@ragged@@hbox\v!middle }{\def\raggedbox{\doalignedline\v!middle}}
-\setvalue{\@@ragged@@hbox\v!inner }{\def\raggedbox{\doalignedline\v!inner }}
-\setvalue{\@@ragged@@hbox\v!outer }{\def\raggedbox{\doalignedline\v!outer }}
-\setvalue{\@@ragged@@hbox\v!flushleft }{\def\raggedbox{\doalignedline\v!right }}
-\setvalue{\@@ragged@@hbox\v!flushright}{\def\raggedbox{\doalignedline\v!left }}
-\setvalue{\@@ragged@@hbox\v!center }{\def\raggedbox{\doalignedline\v!middle}}
+% oeps, hsize can be 0pt in which case we get a strange division
+% was: 6\bodyfontsize, fails on: \placefigure{x $x=x$ x}{}
-\newtoks\everyraggedcommand
+\def\spacing_raggedness_middle{\ifdim\hsize=\zeropoint\plussix\bodyfontsize\else.5\hsize\fi}
-\def\raggedcommand{\the\everyraggedcommand}
+\unexpanded\def\setraggedness#1% tricky .. we keep the global tolerance otherwise ... to be reconsidered
+ {\ifnum\tolerance<\c_spacing_minimum_tolerance
+ \tolerance\c_spacing_minimum_tolerance % small values have unwanted side effects
+ \else
+ % todo: take set value or none .. better done elsewhere (200 is normal)
+ \fi
+ \ifx\dohyphens\relax % was 2.5 in old implementation using scratch registers
+ \hyphenpenalty\dimexpr2.8\hsize/\dimexpr#1\relax\relax % 50 in raggedright/raggedleft
+ \fi}
-% slow, we can do this in lua ... some day
+\unexpanded\def\ragged_command_tolerant
+ {\tolerance\c_spacing_normal_tolerance}
-\let\raggedbox\relax
+\unexpanded\def\ragged_command_very_tolerant
+ {\tolerance\c_spacing_extreme_tolerance}
-% pretty slow (will be sped up)
+\unexpanded\def\ragged_command_stretch
+ {\emergencystretch\bodyfontsize}
-\newconstant\ragged_command_h_align_state
-\newconstant\ragged_command_v_align_state
-\newconstant\ragged_command_broad_state
+% Vertical
-\ifdefined\raggedonelinerstate \else \newconditional\raggedonelinerstate \fi % public
+\newconstant\c_spacing_state_vertical
-% \unexpanded\def\dosetraggedcommand#1% beware: #1=empty is ignored, keep that! assumes \forgetall
-% {\edef\askedraggedalign{#1}%
-% \ifx\askedraggedalign\empty
-% \nonosetraggedcommand
-% \else
-% \dodosetraggedcommand
-% \fi}
-%
-% \def\nonosetraggedcommand
-% {\everyraggedcommand{\resetrealignsignal}% \emptytoks maybe only when #1 <> empty
-% \let\raggedtopcommand\empty
-% \let\raggedbottomcommand\empty
-% \let\raggedbox\relax
-% \setfalse\raggedonelinerstate}
-%
-% \def\dodosetraggedcommand % beware: #1=empty is ignored, keep that!
-% {\everyraggedcommand{\resetrealignsignal}% \emptytoks maybe only when #1 <> empty
-% \let\raggedtopcommand\empty
-% \let\raggedbottomcommand\empty
-% \let\raggedbox\relax
-% \setfalse\raggedonelinerstate
-% \ifcsname\@@ragged@@command\askedraggedalign\endcsname % fast for one keyword and special table case
-% \!!doneafalse
-% \!!donebfalse
-% \!!donectrue
-% \csname\@@ragged@@command\askedraggedalign\endcsname
-% \else
-% \doifinsetelse\v!broad\askedraggedalign\!!doneatrue\!!doneafalse
-% \doifinsetelse\v!wide \askedraggedalign\!!donebtrue\!!donebfalse
-% \!!donectrue
-% \rawprocesscommacommand[\askedraggedalign]\dododosetraggedcommand
-% \fi}
+\unexpanded\def\spacing_vertical_none
+ {\let\raggedtopcommand \relax
+ \let\raggedbottomcommand\relax}
-% happens a lot: {\flushleft,broad,high} \veryraggedright\let\raggedbottomcommand\vfilll
+\unexpanded\def\spacing_vertical_lohi
+ {\let\raggedtopcommand \vfilll
+ \let\raggedbottomcommand\vfilll}
-\unexpanded\def\dosetraggedcommand#1% beware: #1=empty is ignored, keep that! assumes \forgetall
- {\edef\askedraggedalign{#1}%
- \ifx\askedraggedalign\empty
- \nonosetraggedcommand
- \else
- \dodosetraggedcommand
+\unexpanded\def\spacing_vertical_low
+ {\let\raggedtopcommand \vfilll
+ \let\raggedbottomcommand\relax}
+
+\unexpanded\def\spacing_vertical_high
+ {\let\raggedtopcommand \relax
+ \let\raggedbottomcommand\vfilll}
+
+\def\spacing_flush_vertical
+ {\ifcase\c_spacing_state_vertical
+ \spacing_vertical_none
+ \or
+ \spacing_vertical_lohi
+ \or
+ \spacing_vertical_low
+ \or
+ \spacing_vertical_high
\fi}
-\def\dodosetraggedcommand
- {\let\raggedtopcommand\empty
- \let\raggedbottomcommand\empty
- \let\raggedbox\relax
- \setfalse\raggedonelinerstate
- \everyraggedcommand\emptytoks
- \ragged_command_broad_state \zerocount
- \ragged_command_h_align_state\zerocount
- \ragged_command_v_align_state\zerocount
- \ifcsname\@@ragged@@command\askedraggedalign\endcsname
- \csname\@@ragged@@command\askedraggedalign\endcsname
- \else
- \rawprocesscommacommand[\askedraggedalign]\dododosetraggedcommand
- \fi
- % probably also ok: \normalexpanded{\everyraggedcommand{\resetrealignsignal\the\everyraggedcommand\ragged_command_flush_align}}}
- \normalexpanded{\everyraggedcommand\expandafter{\expandafter\resetrealignsignal\the\everyraggedcommand\ragged_command_flush_align}}}
+% Horizontal
+
+\ifdefined\raggedonelinerstate \else
+ \newconditional\raggedonelinerstate % public
+\fi
-\def\nonosetraggedcommand
- {\let\raggedtopcommand\empty
- \let\raggedbottomcommand\empty
- \let\raggedbox\relax
- \setfalse\raggedonelinerstate
- \everyraggedcommand{\resetrealignsignal}}
+\newconstant\raggedstatus % public
-\def\dododosetraggedcommand#1%
- {\csname\@@ragged@@command#1\endcsname}
+\newconstant\c_spacing_state_horizontal
+\newconstant\c_spacing_state_broad
-\unexpanded\def\ragged_command_tolerant {\tolerance3000\relax}
-\unexpanded\def\ragged_command_very_tolerant{\tolerance4500\relax}
-\unexpanded\def\ragged_command_stretch {\emergencystretch\bodyfontsize}
+\def\spacing_ragged_fill_amount {\plusone fil}
+\def\spacing_ragged_fill_amount_negative {\minusone fil}
+\def\spacing_ragged_fill_amount_double {\plustwo fil}
+\def\spacing_ragged_fill_amount_space {\plustwo fil} % can be added to xspace if we have a key
+\def\spacing_ragged_fill_amount_half {.5fil}
+\let\spacing_ragged_space_amount \interwordspace
+\def\spacing_ragged_space_amount_x {.5\emwidth}
-\def\ragged_command_flush_align
- {\ifcase\ragged_command_h_align_state
+\newskip\s_zero_plus_one_fil \s_zero_plus_one_fil = 0pt plus 1fil
+\newskip\s_zero_plus_zero \s_zero_plus_zero = 0pt plus 0pt
+
+% \!!plus ... slower than inline
+
+\unexpanded\def\spacing_horizontal_none
+ {\raggedstatus\zerocount
+ \attribute\alignstateattribute\attributeunsetvalue
+ \leftskip \plusone\leftskip
+ \rightskip \plusone\rightskip
+ \spaceskip \zeropoint
+ \xspaceskip \zeropoint
+ \parfillskip\s_zero_plus_one_fil} % new
+
+\unexpanded\def\spacing_horizontal_left
+ {\setraggedness\spacing_raggedness_left
+ \raggedstatus\plusone
+ \attribute\alignstateattribute\plusone
+ \leftskip \plusone\leftskip \!!plus\spacing_raggedness_left
+ \rightskip \plusone\rightskip\!!plus\zeropoint
+ \spaceskip \spacing_ragged_space_amount
+ \xspaceskip \spacing_ragged_space_amount_x
+ \parfillskip\s_zero_plus_zero
+ \parindent \zeropoint
+ \relax}
+
+\unexpanded\def\spacing_horizontal_center
+ {\setraggedness\spacing_raggedness_middle
+ \raggedstatus\plustwo
+ \attribute\alignstateattribute\plustwo
+ \leftskip \plusone\leftskip \!!plus\spacing_raggedness_middle
+ \rightskip \plusone\rightskip\!!plus\spacing_raggedness_middle
+ \spaceskip \spacing_ragged_space_amount
+ \xspaceskip \spacing_ragged_space_amount_x
+ \parfillskip\s_zero_plus_zero
+ \parindent \zeropoint
+ \relax}
+
+\unexpanded\def\spacing_horizontal_right
+ {\setraggedness\spacing_raggedness_right
+ \raggedstatus\plusthree
+ \attribute\alignstateattribute\plusthree
+ \leftskip \plusone\leftskip \!!plus\zeropoint
+ \rightskip \plusone\rightskip\!!plus\spacing_raggedness_right
+ \spaceskip \spacing_ragged_space_amount
+ \xspaceskip \spacing_ragged_space_amount_x
+ \parfillskip\s_zero_plus_one_fil
+ %\parindent \parindent
+ \relax}
+
+\unexpanded\def\spacing_horizontal_very_left
+ {\raggedstatus\plusone
+ \attribute\alignstateattribute\plusone
+ \leftskip \plusone\leftskip \!!plus\spacing_ragged_fill_amount
+ \rightskip \plusone\rightskip\!!plus\zeropoint
+ \spaceskip \spacing_ragged_space_amount
+ \xspaceskip \spacing_ragged_space_amount_x
+ \parfillskip\s_zero_plus_zero
+ \parindent \zeropoint
+ \relax}
+
+\unexpanded\def\spacing_horizontal_very_center
+ {\raggedstatus\plustwo
+ \attribute\alignstateattribute\plustwo
+ \leftskip \plusone\leftskip \!!plus\spacing_ragged_fill_amount
+ \rightskip \plusone\rightskip\!!plus\spacing_ragged_fill_amount
+ \spaceskip \spacing_ragged_space_amount
+ \xspaceskip \spacing_ragged_space_amount_x
+ \parfillskip\s_zero_plus_zero
+ \parindent \zeropoint
+ \relax}
+
+\unexpanded\def\spacing_horizontal_very_right
+ {\raggedstatus\plusthree
+ \attribute\alignstateattribute\plusthree
+ \leftskip \plusone\leftskip \!!plus\zeropoint
+ \rightskip \plusone\rightskip\!!plus\spacing_ragged_fill_amount
+ \spaceskip \spacing_ragged_space_amount
+ \xspaceskip \spacing_ragged_space_amount_x
+ \parfillskip\s_zero_plus_zero
+ %\parindent \parindent
+ \relax}
+
+\unexpanded\def\spacing_horizontal_wide_center
+ {\setraggedness\spacing_raggedness_middle
+ \raggedstatus\plustwo
+ \attribute\alignstateattribute\plustwo
+ \leftskip \plusone\leftskip \!!plus\spacing_ragged_fill_amount_half
+ \rightskip \plusone\rightskip\!!plus\spacing_ragged_fill_amount_half
+ \spaceskip \spacing_ragged_space_amount
+ \xspaceskip \spacing_ragged_space_amount_x
+ \parfillskip\s_zero_plus_zero
+ \parindent \zeropoint
+ \relax}
+
+\unexpanded\def\spacing_horizontal_centered_last_line
+ {\raggedstatus\zerocount
+ \attribute\alignstateattribute\attributeunsetvalue
+ \leftskip \plusone\leftskip \!!plus\spacing_ragged_fill_amount\relax
+ \rightskip \plusone\rightskip\!!plus\spacing_ragged_fill_amount_negative\relax
+ \spaceskip \zeropoint\relax
+ \xspaceskip \zeropoint\relax
+ \parfillskip\zeropoint\!!plus\spacing_ragged_fill_amount_double\relax
+ \parindent \zeropoint
+ \relax}
+
+\unexpanded\def\spacing_horizontal_right_tt % a plain command
+ {\tttf % brrr
+ \raggedstatus\plusthree
+ \attribute\alignstateattribute\plusthree
+ \leftskip \plusone\leftskip \!!plus\zeropoint\relax
+ \rightskip \plusone\rightskip\!!plus\spacing_raggedness_right\relax
+ \spaceskip \zeropoint\relax
+ \xspaceskip \zeropoint\relax
+ \parfillskip\s_zero_plus_zero
+ %\parindent \parindent
+ \relax}
+
+\unexpanded\def\spacing_horizontal_extra
+ {\xspaceskip\zeropoint\!!plus\spacing_ragged_fill_amount_space\relax}
+
+\def\spacing_flush_horizontal
+ {\ifcase\c_spacing_state_horizontal
% 0
- \notragged
+ \spacing_horizontal_none
\or
% 1 center
- \ifcase\ragged_command_broad_state
- \raggedcenter
+ \ifcase\c_spacing_state_broad
+ \spacing_horizontal_center
\or
- \veryraggedcenter
+ \spacing_horizontal_very_center
\or
- \raggedwidecenter
+ \spacing_horizontal_wide_center
\fi
\or
% 2 flush left
- \ifcase\ragged_command_broad_state
- \raggedright
+ \ifcase\c_spacing_state_broad
+ \spacing_horizontal_right
\else
- \veryraggedright
+ \spacing_horizontal_very_right
\fi
\or
% 3 flush right
- \ifcase\ragged_command_broad_state
- \raggedleft
+ \ifcase\c_spacing_state_broad
+ \spacing_horizontal_left
\else
- \veryraggedleft
+ \spacing_horizontal_very_left
\fi
\or
% 4 inner
\ifdoublesided
\signalinnerrealign
\fi
- \rightorleftpageaction\raggedright\raggedleft
+ \rightorleftpageaction\spacing_horizontal_right\spacing_horizontal_left
\or
% 5 outer
\ifdoublesided
\signalouterrealign
\fi
- \rightorleftpageaction\raggedleft\raggedright
+ \rightorleftpageaction\c_spacing_state_horizontal_left\spacing_horizontal_right
\or
% 6 oneliner
- \ifcase\ragged_command_broad_state
- \raggedright
+ \ifcase\c_spacing_state_broad
+ \spacing_horizontal_right
\else
- \veryraggedright
+ \spacing_horizontal_very_right
\fi
\parfillskip\zeropoint
\or
% 7 centered last line
- \centeredlastline
+ \spacing_horizontal_centered_last_line
\fi}
-\setvalue{\@@ragged@@command\v!broad }{\ragged_command_broad_state\plusone} % was donea
-\setvalue{\@@ragged@@command\v!wide }{\ragged_command_broad_state\plustwo} % was doneb
-
-\setvalue{\@@ragged@@command\v!hanging }{\everyraggedcommand\expandafter{\the\everyraggedcommand\enableprotruding}}
-\setvalue{\@@ragged@@command\v!nothanging }{\everyraggedcommand\expandafter{\the\everyraggedcommand\disableprotruding}}
-\setvalue{\@@ragged@@command\v!hz }{\everyraggedcommand\expandafter{\the\everyraggedcommand\enableadjusting}}
-\setvalue{\@@ragged@@command\v!nohz }{\everyraggedcommand\expandafter{\the\everyraggedcommand\disableadjusting}}
-%setvalue{\@@ragged@@command\v!spacing }{\everyraggedcommand\expandafter{\the\everyraggedcommand\enablespacehandling\enablekernhandling}}
-%setvalue{\@@ragged@@command\v!nospacing }{\everyraggedcommand\expandafter{\the\everyraggedcommand\disablespacehandling\disablekernhandling}}
-\setvalue{\@@ragged@@command\v!hyphenated }{\everyraggedcommand\expandafter{\the\everyraggedcommand\dohyphens}}
-\setvalue{\@@ragged@@command\v!nothyphenated }{\everyraggedcommand\expandafter{\the\everyraggedcommand\nohyphens}}
-
-\setvalue{\@@ragged@@command\v!tolerant }{\everyraggedcommand\expandafter{\the\everyraggedcommand\ragged_command_tolerant}}
-\setvalue{\@@ragged@@command\v!verytolerant }{\everyraggedcommand\expandafter{\the\everyraggedcommand\ragged_command_very_tolerant}}
-\setvalue{\@@ragged@@command\v!stretch }{\everyraggedcommand\expandafter{\the\everyraggedcommand\ragged_command_stretch}}
-
-\setvalue{\@@ragged@@command\v!flushright }{\ragged_command_h_align_state\plusthree}
-\setvalue{\@@ragged@@command\v!flushleft }{\ragged_command_h_align_state\plustwo}
-\setvalue{\@@ragged@@command\v!middle }{\ragged_command_h_align_state\plusone}
-\setvalue{\@@ragged@@command\v!no }{\ragged_command_h_align_state\plustwo}
-\setvalue{\@@ragged@@command\v!yes }{\ragged_command_h_align_state\zerocount}
-\setvalue{\@@ragged@@command\v!normal }{\ragged_command_h_align_state\zerocount}
-\setvalue{\@@ragged@@command\v!inner }{\ragged_command_h_align_state\plusfour}
-\setvalue{\@@ragged@@command\v!outer }{\ragged_command_h_align_state\plusfive}
-\setvalue{\@@ragged@@command\v!right }{\ragged_command_h_align_state\plustwo}
-\setvalue{\@@ragged@@command\v!left }{\ragged_command_h_align_state\plusthree}
-\setvalue{\@@ragged@@command\v!center }{\ragged_command_h_align_state\plusone}
-\setvalue{\@@ragged@@command\v!disable }{\ragged_command_h_align_state\plussix}
-\setvalue{\@@ragged@@command\v!last }{\ragged_command_h_align_state\plusseven}
-
-\setvalue{\@@ragged@@command\v!line }{\settrue\raggedonelinerstate}
-
-\setvalue{\@@ragged@@command\v!high }{\let\raggedbottomcommand\vfilll} % and since we lack a
-\setvalue{\@@ragged@@command\v!low }{\let\raggedtopcommand \vfilll} % proper keyword, but
-\setvalue{\@@ragged@@command\v!lohi }{\let\raggedbottomcommand\vfilll\let\raggedtopcommand\vfilll} % we do support the ugly laho (lohi)
-
-\setvalue{\@@ragged@@command\v!lesshyphenation}{\everyraggedcommand\expandafter{\the\everyraggedcommand\lesshyphens}}
-\setvalue{\@@ragged@@command\v!morehyphenation}{\everyraggedcommand\expandafter{\the\everyraggedcommand\morehyphens}}
-
-\setvalue{\@@ragged@@command\v!lefttoright }{\everyraggedcommand\expandafter{\the\everyraggedcommand\lefttoright}}
-\setvalue{\@@ragged@@command\v!righttoleft }{\everyraggedcommand\expandafter{\the\everyraggedcommand\righttoleft}}
-\setvalue{\@@ragged@@command l2r}{\everyraggedcommand\expandafter{\the\everyraggedcommand\lefttoright}}
-\setvalue{\@@ragged@@command r2l}{\everyraggedcommand\expandafter{\the\everyraggedcommand\righttoleft}}
-
-\setvalue{\@@ragged@@command\v!table }{\let\raggedbottomcommand\vfilll
- \ragged_command_broad_state\plusone
- \ragged_command_h_align_state\plustwo}
-
-% compare:
-%
-% \framed[width=4cm,align=no] {\hfil xxx}
-% \framed[width=4cm,align=disable]{\hfil xxx}
+% Page spacing:
-% More alignments:
+\newconstant\c_spacing_state_page
-% \hyphenpenalty = ( 2.5 * \hsize ) / \raggedness
-% \tolerance >= 1500 % was 200
-% \raggedness = 2 .. 6\bodyfontsize
+\def\bottomalignlimit{\plusthree\lineheight}
-\newconstant\raggedstatus % normal left center right
+\newconstant\bottomraggednessmode % 0=ragged 1=normal/align 2=baseline
-% \unexpanded\def\setalignstateattribute % unexpanded !
-% {\attribute\alignstateattribute\ifcase\raggedstatus\attributeunsetvalue\else\raggedstatus\fi}
+\unexpanded\def\raggedbottom
+ {\bottomraggednessmode\zerocount
+ \settopskip}
-\def\leftraggedness {2\bodyfontsize}
-\def\rightraggedness {2\bodyfontsize}
-\def\middleraggedness {6\bodyfontsize}
+\unexpanded\def\alignbottom
+ {\bottomraggednessmode\plusone
+ \settopskip}
-\def\middleraggedness {.5\hsize} % was: 6\bodyfontsize, fails on: \placefigure{x $x=x$ x}{}
+\unexpanded\def\baselinebottom
+ {\bottomraggednessmode\plustwo
+ \settopskip}
-% oeps, hsize can be 0pt in which case we get a strange division
+\let\normalbottom\alignbottom % downward compatible
-\def\middleraggedness {\ifdim\hsize=\zeropoint6\bodyfontsize\else.5\hsize\fi} % was: 6\bodyfontsize, fails on: \placefigure{x $x=x$ x}{}
+\unexpanded\def\setbottomalignmode#1%
+ {\bottomraggednessmode#1%
+ \settopskip}
-%D More hyphenation control, will be combined with align
-%D setup.
+\def\spacing_flush_page
+ {\ifcase\c_spacing_state_page
+ % keep state
+ \or
+ \raggedbottom
+ \or
+ \alignbottom
+ \or
+ \baselinebottom
+ \fi}
-\unexpanded\def\nohyphens % % % % % not clever, we still hyphenate but supress application
- {\ifx\dohyphens\relax
- \edef\dohyphens
- {\hyphenpenalty\the\hyphenpenalty
- \exhyphenpenalty\the\exhyphenpenalty\relax}%
+% Directions
+
+\newconstant\c_spacing_state_direction
+
+\def\spacing_flush_direction
+ {\ifcase\c_spacing_state_direction
+ % keep state
+ \or
+ \lefttoright
+ \or
+ \righttoleft
+ \fi}
+
+% Interesting is that the non cached version is also pretty efficient
+% and as we cache we seldom call that one now so one can debate the
+% speedup.
+
+\newtoks\t_spacing_set_alignment
+
+\let\raggedcommand \relax
+\let\updateraggedskips\relax
+
+% \unexpanded\def\spacing_set_text_align#1% beware: #1=empty is ignored, keep that! assumes \forgetall ... needs checking
+% {\edef\askedraggedalign{#1}%
+% \ifx\askedraggedalign\empty
+% \spacing_set_text_align_nop
+% \else
+% \spacing_set_text_align_yes
+% \fi}
+
+% \def\spacing_set_text_align_nop % as we cache (empty) anyway, this one can go
+% {%\let\raggedtopcommand \relax
+% %\let\raggedbottomcommand\relax
+% \let\raggedbox \relax % why
+% \t_spacing_set_alignment
+% {\resetrealignsignal
+% \setfalse\raggedonelinerstate
+% \let\raggedtopcommand \relax
+% \let\raggedbottomcommand\relax}}
+
+% \def\spacing_set_text_align_yes % hm, we could hash settings ! nice experiment
+% {%\let\raggedtopcommand\empty
+% %\let\raggedbottomcommand\empty
+% \let\raggedbox\relax % why
+% % we inherit hyphenation and tolerance
+% \t_spacing_set_alignment \emptytoks
+% \c_spacing_state_broad \zerocount
+% \c_spacing_state_horizontal\zerocount
+% \c_spacing_state_vertical \zerocount
+% \c_spacing_state_direction \zerocount % what is default ?
+% \c_spacing_state_page \zerocount
+% \ifcsname\??aligncommand\askedraggedalign\endcsname
+% \csname\??aligncommand\askedraggedalign\endcsname
+% \else
+% \rawprocesscommacommand[\askedraggedalign]\spacing_set_text_align_collect
+% \fi
+% \normalexpanded{\t_spacing_set_alignment
+% {\resetrealignsignal % can go as it is alway set
+% \setfalse\raggedonelinerstate % bad
+% \the\t_spacing_set_alignment
+% \spacing_flush_horizontal
+% \spacing_flush_vertical
+% \spacing_flush_direction
+% \spacing_flush_page
+% }}} % kept
+
+\unexpanded\def\spacing_set_text_align#1% what to do with empty (and forgetall)
+ {\edef\askedraggedalign{#1}%
+ \let\raggedbox\relax % why
+ % we inherit hyphenation and tolerance
+ \t_spacing_set_alignment \emptytoks
+ \c_spacing_state_broad \zerocount
+ \c_spacing_state_horizontal\zerocount
+ \c_spacing_state_vertical \zerocount
+ \c_spacing_state_direction \zerocount % what is default ?
+ \c_spacing_state_page \zerocount
+ \ifcsname\??aligncommand\askedraggedalign\endcsname
+ \csname\??aligncommand\askedraggedalign\endcsname
+ \else
+ \rawprocesscommacommand[\askedraggedalign]\spacing_set_text_align_collect
\fi
- \hyphenpenalty\plustenthousand
- \exhyphenpenalty\plustenthousand}
+ \normalexpanded{\t_spacing_set_alignment
+ {\resetrealignsignal % can go as it is alway set
+ \setfalse\raggedonelinerstate % bad
+ \the\t_spacing_set_alignment
+ \spacing_flush_horizontal
+ \spacing_flush_vertical
+ \spacing_flush_direction
+ \spacing_flush_page
+ }}} % kept
+
+\def\spacing_set_text_align_collect#1%
+ {\csname\??aligncommand#1\endcsname}
+
+\def\spacing_alignment_add_to_cache#1%
+ {\spacing_set_text_align{#1}
+ \edef\raggedcommand{\the\t_spacing_set_alignment}%
+ \global\expandafter\let\csname\??alignmentcache#1\endcsname\raggedcommand}
+
+% The regular align setter:
-\let\dohyphens\relax
+\unexpanded\def\setupalign
+ {\dosingleempty\spacing_setup_align}
-%D To prevent unwanted side effects, we also have to check
-%D for hyphens here:
+\def\spacing_setup_align[#1]% immediate
+ {\expandafter\let\expandafter\raggedcommand\csname\??alignmentcache#1\endcsname
+ \ifx\raggedcommand\relax
+ \spacing_alignment_add_to_cache{#1}%
+ \fi
+ \let\updateraggedskips\raggedcommand
+ \raggedcommand}
-\newskip\@@raggedskipa
-\newskip\@@raggedskipb
+% the local (key driven) setter:
-\unexpanded\def\setraggedness#1%
- {\ifnum\tolerance<1500\relax % small values have
- \tolerance1500\relax % unwanted side effects
+\unexpanded\def\spacing_setup_aligned#1% deferred
+ {\expandafter\let\expandafter\raggedcommand\csname\??alignmentcache#1\endcsname
+ \ifx\raggedcommand\relax
+ \spacing_alignment_add_to_cache{#1}%
\fi
- \ifx\dohyphens\relax
- % this code will be reconsidered / kind of fuzzy (and old)
- \@@raggedskipa 2.5\hsize
- \@@raggedskipb #1\relax
- \divide\@@raggedskipa \@@raggedskipb
- \hyphenpenalty\@@raggedskipa
+ \let\updateraggedskips\raggedcommand}
+
+\let\dosetraggedcommand\spacing_setup_aligned % sort of public
+
+% The keywords:
+
+\unexpanded\def\installalign#1#2% beware: commands must be unexpandable!
+ {\ifcsname\??aligncommand#1\endcsname \else
+ \setvalue{\??aligncommand#1}{\t_spacing_set_alignment\expandafter{\the\t_spacing_set_alignment#2}}%
\fi}
-\let\updateraggedskips\relax
+\letvalue{\??aligncommand\empty }\empty
+\setvalue{\??aligncommand\v!broad }{\c_spacing_state_broad \plusone }
+\setvalue{\??aligncommand\v!wide }{\c_spacing_state_broad \plustwo }
+
+\setvalue{\??aligncommand\v!bottom }{\c_spacing_state_page \plusone }
+\setvalue{\??aligncommand\v!height }{\c_spacing_state_page \plustwo }
+\setvalue{\??aligncommand\v!line }{\c_spacing_state_page \plusthree
+ % this will become another keyword (undocumented anyway)
+ \t_spacing_set_alignment\expandafter{\the\t_spacing_set_alignment\settrue\raggedonelinerstate}}
+
+\setvalue{\??aligncommand\v!high }{\c_spacing_state_vertical \plusthree}
+\setvalue{\??aligncommand\v!low }{\c_spacing_state_vertical \plustwo }
+\setvalue{\??aligncommand\v!lohi }{\c_spacing_state_vertical \plusone }
+
+\setvalue{\??aligncommand\v!flushright }{\c_spacing_state_horizontal\plusthree}
+\setvalue{\??aligncommand\v!flushleft }{\c_spacing_state_horizontal\plustwo }
+\setvalue{\??aligncommand\v!middle }{\c_spacing_state_horizontal\plusone }
+\setvalue{\??aligncommand\v!no }{\c_spacing_state_horizontal\plustwo }
+\setvalue{\??aligncommand\v!yes }{\c_spacing_state_horizontal\zerocount}
+\setvalue{\??aligncommand\v!width }{\c_spacing_state_horizontal\zerocount}
+\setvalue{\??aligncommand\v!normal }{\c_spacing_state_horizontal\zerocount}
+\setvalue{\??aligncommand\v!reset }{\c_spacing_state_page \zerocount
+ \c_spacing_state_horizontal\zerocount}
+\setvalue{\??aligncommand\v!inner }{\c_spacing_state_horizontal\plusfour }
+\setvalue{\??aligncommand\v!outer }{\c_spacing_state_horizontal\plusfive }
+\setvalue{\??aligncommand\v!flushinner }{\c_spacing_state_horizontal\plusfive }
+\setvalue{\??aligncommand\v!flushouter }{\c_spacing_state_horizontal\plusfour }
+\setvalue{\??aligncommand\v!right }{\c_spacing_state_horizontal\plustwo }
+\setvalue{\??aligncommand\v!left }{\c_spacing_state_horizontal\plusthree}
+\setvalue{\??aligncommand\v!center }{\c_spacing_state_horizontal\plusone
+ \c_spacing_state_broad \plustwo }
+\setvalue{\??aligncommand\v!disable }{\c_spacing_state_horizontal\plussix }
+\setvalue{\??aligncommand\v!last }{\c_spacing_state_horizontal\plusseven}
+
+
+\setvalue{\??aligncommand\v!lefttoright }{\c_spacing_state_direction \plusone }
+\setvalue{\??aligncommand\v!righttoleft }{\c_spacing_state_direction \plustwo }
+\setvalue{\??aligncommand l2r}{\c_spacing_state_direction \plusone }
+\setvalue{\??aligncommand r2l}{\c_spacing_state_direction \plustwo }
+
+\setvalue{\??aligncommand\v!table }{\c_spacing_state_vertical \plusthree
+ \c_spacing_state_broad \plusone
+ \c_spacing_state_horizontal\plustwo }
+
+\setvalue{\??aligncommand\v!lesshyphenation}{\t_spacing_set_alignment\expandafter{\the\t_spacing_set_alignment\lesshyphens}}
+\setvalue{\??aligncommand\v!morehyphenation}{\t_spacing_set_alignment\expandafter{\the\t_spacing_set_alignment\morehyphens}}
+
+\setvalue{\??aligncommand\v!hanging }{\t_spacing_set_alignment\expandafter{\the\t_spacing_set_alignment\fonts_protruding_enable }}
+\setvalue{\??aligncommand\v!nothanging }{\t_spacing_set_alignment\expandafter{\the\t_spacing_set_alignment\fonts_protruding_disable}}
+\setvalue{\??aligncommand\v!hz }{\t_spacing_set_alignment\expandafter{\the\t_spacing_set_alignment\fonts_expansion_enable }}
+\setvalue{\??aligncommand\v!nohz }{\t_spacing_set_alignment\expandafter{\the\t_spacing_set_alignment\fonts_expansion_disable }}
+\setvalue{\??aligncommand\v!spacing }{\t_spacing_set_alignment\expandafter{\the\t_spacing_set_alignment\enablespacehandling \enablekernhandling }}
+\setvalue{\??aligncommand\v!nospacing }{\t_spacing_set_alignment\expandafter{\the\t_spacing_set_alignment\disablespacehandling\disablekernhandling}}
+\setvalue{\??aligncommand\v!hyphenated }{\t_spacing_set_alignment\expandafter{\the\t_spacing_set_alignment\dohyphens}}
+\setvalue{\??aligncommand\v!nothyphenated }{\t_spacing_set_alignment\expandafter{\the\t_spacing_set_alignment\nohyphens}}
+
+\setvalue{\??aligncommand\v!tolerant }{\t_spacing_set_alignment\expandafter{\the\t_spacing_set_alignment\ragged_command_tolerant}}
+\setvalue{\??aligncommand\v!verytolerant }{\t_spacing_set_alignment\expandafter{\the\t_spacing_set_alignment\ragged_command_very_tolerant}}
+\setvalue{\??aligncommand\v!stretch }{\t_spacing_set_alignment\expandafter{\the\t_spacing_set_alignment\ragged_command_stretch}}
+
+% Visible commands:
+
+\let\notragged \spacing_horizontal_none
+\let\forgetragged \spacing_horizontal_none
+\let\raggedleft \spacing_horizontal_left
+\let\raggedcenter \spacing_horizontal_center
+\let\raggedright \spacing_horizontal_right
+\let\veryraggedleft \spacing_horizontal_very_left
+\let\veryraggedcenter\spacing_horizontal_very_center
+\let\veryraggedright \spacing_horizontal_very_right
+\let\raggedwidecenter\spacing_horizontal_wide_center
+\let\centeredlastline\spacing_horizontal_centered_last_line
+\let\ttraggedright \spacing_horizontal_right_tt % a plain command
+
+% Box commands.
+
+\unexpanded\def\ibox#1#2#3%
+ {\vbox\bgroup
+ \forgetall
+ \let\\=\endgraf
+ \ifdoublesided\signalinnerrealign\fi
+ \doifrightpageelse\spacing_horizontal_right\spacing_horizontal_left
+ \let\next}
+
+\unexpanded\def\obox#1#2#3%
+ {\vbox\bgroup
+ \forgetall
+ \let\\=\endgraf
+ \ifdoublesided\signalouterrealign\fi
+ \doifrightpageelse\c_spacing_state_horizontal_left\spacing_horizontal_right
+ \let\next}
+
+\let\raggedbox\relax
+
+\def\dosetraggedvbox#1% can be more keys
+ {\let\raggedbox\vbox
+ \processcommacommand[#1]\dodosetraggedvbox}
+
+\def\dosetraggedhbox#1% can be more keys
+ {\let\raggedbox\hbox
+ \processcommacommand[#1]\dodosetraggedhbox}
+
+\def\dodosetraggedvbox#1%
+ {\ifcsname\??alignvertical#1\endcsname
+ \csname\??alignvertical#1\endcsname
+ \quitcommalist
+ \fi}
+
+\def\dodosetraggedhbox#1%
+ {\ifcsname\??alignhorizontal#1\endcsname
+ \csname\??alignhorizontal#1\endcsname
+ \quitcommalist
+ \fi}
+
+\setvalue{\??alignvertical \v!left }{\let\raggedbox\lbox}
+\setvalue{\??alignvertical \v!right }{\let\raggedbox\rbox}
+\setvalue{\??alignvertical \v!middle }{\let\raggedbox\cbox}
+\setvalue{\??alignvertical \v!inner }{\let\raggedbox\ibox}
+\setvalue{\??alignvertical \v!outer }{\let\raggedbox\obox}
+\setvalue{\??alignvertical \v!flushleft }{\let\raggedbox\rbox}
+\setvalue{\??alignvertical \v!flushright}{\let\raggedbox\lbox}
+\setvalue{\??alignvertical \v!center }{\let\raggedbox\cbox}
+\setvalue{\??alignvertical \v!no }{\def\raggedbox{\vbox\bgroup\spacing_horizontal_right\let\next=}]}
+
+% maybe \let's
+
+\setvalue{\??alignhorizontal\v!left }{\def\raggedbox{\doalignedline\v!left }}
+\setvalue{\??alignhorizontal\v!right }{\def\raggedbox{\doalignedline\v!right }}
+\setvalue{\??alignhorizontal\v!middle }{\def\raggedbox{\doalignedline\v!middle}}
+\setvalue{\??alignhorizontal\v!inner }{\def\raggedbox{\doalignedline\v!inner }}
+\setvalue{\??alignhorizontal\v!outer }{\def\raggedbox{\doalignedline\v!outer }}
+\setvalue{\??alignhorizontal\v!flushleft }{\def\raggedbox{\doalignedline\v!right }}
+\setvalue{\??alignhorizontal\v!flushright}{\def\raggedbox{\doalignedline\v!left }}
+\setvalue{\??alignhorizontal\v!center }{\def\raggedbox{\doalignedline\v!middle}}
+
+% The next one can be in use so we keep it around but oen should
+% be aware of possible interference.
\unexpanded\def\setraggedskips#1#2#3#4#5#6#7% never change this name (todo: inline this one .. less tracingall)
{\unexpanded\def\updateraggedskips{\dosetraggedskips{#1}{#2}{#3}{#4}{#5}{#6}{#7}}%
\updateraggedskips}
\def\dosetraggedskips#1#2#3#4#5#6#7%
- {\raggedstatus#1\relax
- \attribute\alignstateattribute\ifcase\raggedstatus\attributeunsetvalue\else\raggedstatus\fi
- \leftskip 1\leftskip \!!plus#2\relax % zie: Tex By Topic 8.1.3
- \rightskip 1\rightskip\!!plus#3\relax % zie: Tex By Topic 8.1.3
- \spaceskip #4\relax
- \xspaceskip #5\relax
- \parfillskip\zeropoint\!!plus#6\relax
- \parindent #7\relax}
-
-\appendtoks
- \attribute\alignstateattribute\attributeunsetvalue
-\to \everyforgetall
-
-% \def\notragged%
-% {\setraggedskips{0}{0em}{0em}{0em}{0em}{1fil}{\parindent}}
+ {\raggedstatus #1\relax
+ \leftskip 1\leftskip \!!plus#2\relax
+ \rightskip 1\rightskip\!!plus#3\relax
+ \spaceskip #4\relax
+ \xspaceskip #5\relax
+ \parfillskip \zeropoint\!!plus#6\relax
+ \parindent #7\relax
+ \attribute\alignstateattribute\ifcase\raggedstatus\attributeunsetvalue\else\raggedstatus\fi}
% older (context) names:
@@ -468,16 +746,16 @@
% tracing:
-\def\doshowpardata#1%
+\def\spacing_show_par_data#1%
{\ifx#1\relax\else
\hbox{\string#1: \the#1}\endgraf
- \expandafter\doshowpardata
+ \expandafter\spacing_show_par_data
\fi}
\unexpanded\def\showpardata
{\edef\thepardata
{\hbox{font: \fontname\font}\endgraf
- \doshowpardata
+ \spacing_show_par_data
\interwordspace \interwordstretch \interwordshrink \emwidth \exheight \extraspace
\hsize \vsize
\leftskip \rightskip
@@ -487,16 +765,15 @@
\displaywidowpenalty \widowpenalty \clubpenalty \brokenpenalty
\doublehyphendemerits \finalhyphendemerits \adjdemerits
\relax}%
+ \dontleavehmode
\begingroup
\dontshowcomposition
- \inleftmargin{\vsmash
- {\infofont
- \framed[\c!align=\v!right]{\thepardata}}}%
+ \inleftmargin{\vsmash{\infofont\framed[\c!align=\v!right]{\thepardata}}}%
\endgroup}
\unexpanded\def\startshowpardata
{\begingroup
- \showcomposition
+ \showcomposition % all this tracing can go ... if we want it back it will be done in lua
\showstruts\tracepositionstrue \tracingparagraphs\maxdimen
\appendtoksonce\showpardata\let\showpardata\relax\to\everypar}
@@ -504,211 +781,15 @@
{\endgraf
\endgroup}
-% defaults
-
-\def\raggedfillamount {1fil}
-\def\raggednegativefillamount{-1fil}
-\def\raggeddoublefillamount {2fil}
-\def\raggedhalffillamount {.5fil}
-\def\raggedspaceamount {\interwordspace} % {.3333em}
-\def\raggedxspaceamount {.5em}
-
-\unexpanded\def\notragged
- {\raggedstatus\zerocount
- \leftskip 1\leftskip
- \rightskip 1\rightskip
- \spaceskip \zeropoint
- \xspaceskip \zeropoint
- \parfillskip\zeropoint\!!plus\raggedfillamount\relax
- \let\updateraggedskips\relax} % new
-
-\let\forgetragged\notragged
-
-\unexpanded\def\raggedleft
- {\setraggedness\leftraggedness
- \setraggedskips1\leftraggedness\zeropoint\raggedspaceamount
- \raggedxspaceamount\zeropoint\zeropoint}
-
-\unexpanded\def\raggedcenter
- {\setraggedness\middleraggedness
- \setraggedskips2\middleraggedness\middleraggedness\raggedspaceamount
- \raggedxspaceamount\zeropoint\zeropoint}
-
-\unexpanded\def\centeredlastline
- {\setraggedskips
- \zerocount
- \raggedfillamount
- \raggednegativefillamount
- \zeropoint
- \zeropoint
- \raggeddoublefillamount
- \zeropoint}
-
-%D We used to have:
-%D
-%D \starttyping
-%D \def\raggedright
-%D {\setraggedness\rightraggedness
-%D \setraggedskips{3}{0em}{\rightraggedness}{.3333em}{.5em}{0em}{\parindent}}
-%D \stoptyping
-%D
-%D However, the next alternative, suggested by Taco, is better.
-
-\unexpanded\def\raggedright
- {\setraggedness\rightraggedness
- \setraggedskips3\zeropoint\rightraggedness\raggedspaceamount
- \raggedxspaceamount\raggedfillamount\parindent}
-
-\unexpanded\def\veryraggedleft
- {\setraggedskips1\raggedfillamount\zeropoint\raggedspaceamount
- \raggedxspaceamount\zeropoint\zeropoint}
-
-%D When we want the last line to have a natural width:
-%D
-%D \starttyping
-%D \def\veryraggedleft%
-%D {\setraggedskips{1}{1fil}{0em}{.3333em}{.5em}{0em}{-1fil}}
-%D \stoptyping
-%D
-%D but this one is not accepted by the macros.
-
-\unexpanded\def\veryraggedcenter
- {\setraggedskips2\raggedfillamount\raggedfillamount\raggedspaceamount
- \raggedxspaceamount\zeropoint\zeropoint}
-
-\unexpanded\def\veryraggedright
- {\setraggedskips3\zeropoint\raggedfillamount\raggedspaceamount
- \raggedxspaceamount\zeropoint\parindent}
-
-\unexpanded\def\ttraggedright
- {\tttf
- \setraggedskips3\zeropoint\rightraggedness
- \zeropoint\zeropoint\zeropoint\parindent} % \ctxparindent
-
-%D A bonus one:
-
-\unexpanded\def\raggedwidecenter
- {\setraggedness\middleraggedness
- \setraggedskips2\raggedhalffillamount\raggedhalffillamount
- \raggedspaceamount\raggedxspaceamount\zeropoint\zeropoint}
-
-\newif\if@@asragged \@@asraggedtrue % old method
-
-% todo
-%
-% \setuplayout[grid=yes,lines=44] \showgrid
-% \starttext
-% test \vfill test \endgraf \strut \endgraf \vskip-\lineheight \removedepth \pagina test
-% \stoptext
-
-% \setupalign[reset,new,right,old]
-
-\def\@@align@@rl{\if!!donea\veryraggedleft \else\raggedleft \fi}
-\def\@@align@@rr{\if!!donea\veryraggedright \else\raggedright \fi}
-\def\@@align@@rc{\if!!donea\veryraggedcenter\else\raggedcenter\fi}
-
-\setvalue{@@ngila@@\v!broad }{\!!doneatrue}
-\setvalue{@@ngila@@\v!wide }{\!!donebtrue}
-
-\unexpanded\def\setraggedparagraphmode
- {\doifrightpageelse
- {\ifdoublesided\signalinnerrealign\expandafter\firstoftwoarguments \fi}
- {\ifdoublesided\signalouterrealign\expandafter\secondoftwoarguments\fi}}
-
-\unexpanded\def\installalign#1#2{\setvalue{@@align@@#1}{#2}} % can be used for overloads
-
-\installalign \v!new {\@@asraggedfalse}
-\installalign \v!old {\@@asraggedtrue}
-\installalign \empty {}
-
-\installalign \v!line {\baselinebottom}
-\installalign \v!bottom {\raggedbottom}
-\installalign \v!height {\normalbottom}
-\installalign \v!width {\notragged}
-\installalign \v!normal {\notragged}
-\installalign \v!yes {\notragged}
-\installalign \v!no {\raggedright}
-\installalign \v!inner {\if@@asragged \setraggedparagraphmode\@@align@@rl\@@align@@rr \else
- \setraggedparagraphmode\@@align@@rr\@@align@@rl \fi}
-\installalign \v!outer {\if@@asragged \setraggedparagraphmode\@@align@@rr\@@align@@rl \else
- \setraggedparagraphmode\@@align@@rl\@@align@@rr \fi}
-\installalign \v!left {\if@@asragged\@@align@@rl\else\@@align@@rr\fi}
-\installalign \v!right {\if@@asragged\@@align@@rr\else\@@align@@rl\fi}
-\installalign \v!middle {\if!!doneb\raggedwidecenter\else\@@align@@rc\fi}
-\installalign \v!flushleft {\if!!donea\veryraggedright \else\raggedright\fi}
-\installalign \v!flushright {\if!!donea\veryraggedleft \else\raggedleft \fi}
-\installalign \v!flushouter {\setraggedparagraphmode\raggedleft\raggedright}
-\installalign \v!flushinner {\setraggedparagraphmode\raggedright\raggedleft}
-\installalign \v!center {\if!!doneb\raggedwidecenter\else\@@align@@rc\fi}
-\installalign \v!hanging {\enableprotruding}
-\installalign \v!nothanging {\disableprotruding}
-\installalign \v!hz {\enableadjusting}
-\installalign \v!nohz {\disableadjusting}
-\installalign \v!spacing {\enablespacehandling \enablekernhandling}
-\installalign \v!nospacing {\disablespacehandling\disablekernhandling}
-\installalign \v!hyphenated {\dohyphens}
-\installalign \v!nothyphenated {\nohyphens}
-\installalign \v!new {\@@asraggedfalse} % so new will give you consistency
-\installalign \v!reset {\notragged\normalbottom}
-
-\installalign \v!tolerant {\tolerance3000\relax}
-\installalign \v!verytolerant {\tolerance4500\relax}
-\installalign \v!stretch {\emergencystretch\bodyfontsize}
-
-\installalign \v!righttoleft {\lefttoright}
-\installalign \v!lefttoright {\righttoleft}
-\installalign {l2r} {\lefttoright}
-\installalign {r2l} {\righttoleft}
-
-\installalign \v!last {\centeredlastline}
-
-\newcount\hyphenminoffset
-
-\ifx\sethyphenationvariables\undefined \let\sethyphenationvariables\relax \fi
-
-\unexpanded\def\lesshyphens
- {\advance\hyphenminoffset\plusone
- \sethyphenationvariables}
-
-\unexpanded\def\morehyphens
- {\ifcase\hyphenminoffset \else
- \advance\hyphenminoffset\minusone
- \fi
- \sethyphenationvariables}
-
-\installalign \v!lesshyphenation {\lesshyphens}
-\installalign \v!morehyphenation {\morehyphens}
-
-\def\dodosetupalign#1{\csname @@align@@#1\endcsname}
-\def\dodosetupngila#1{\csname @@ngila@@#1\endcsname}
-
-\unexpanded\def\setupalign
- {\dosingleargument\dosetupalign}
-
-\def\dosetupalign[#1]% can be made faster by checking for defined #1
- {\!!doneafalse
- \!!donebfalse
- \raggedstatus\zerocount
- \resetrealignsignal
- \processcommacommand[#1]\dodosetupngila
- \processcommacommand[#1]\dodosetupalign}
-
-% \setupalign[flushleft] \input ward \par % lijnlinks
-% \setupalign[right] \input ward \par
-
-% \setupalign[flushright] \input ward \par % lijnrechts
-% \setupalign[left] \input ward \par
-
-% \setupalign[middle] \input ward \par % centreer
-% \setupalign[center] \input ward \par
+% Structure:
\unexpanded\def\startalignment
- {\bgroup
+ {\begingroup
\setupalign}
\unexpanded\def\stopalignment
{\par
- \egroup}
+ \endgroup}
\setnewconstant\alignstrutmode\plusone
@@ -746,26 +827,28 @@
\ifdefined\rightline \else \def\rightline #1{\line{\hss#1}} \fi
\ifdefined\centerline \else \def\centerline#1{\line{\hss#1\hss}} \fi
-% directe commando's
+% direct commands
-\unexpanded\def\leftaligned {\doalignline \relax \hss }
-\unexpanded\def\midaligned {\doalignline \hss \hss }
-\unexpanded\def\rightaligned{\doalignline \hss \relax}
-\unexpanded\def\maxaligned {\doalignline \relax \relax}
+\unexpanded\def\leftaligned {\doalignline\relax \hss }
+\unexpanded\def\midaligned {\doalignline\hss \hss }
+\unexpanded\def\rightaligned{\doalignline\hss \relax}
+\unexpanded\def\maxaligned {\doalignline\relax \relax}
\let\centeraligned\midaligned
-% indirecte commando's
+% indirect commands
+
+\installcorenamespace{alignline}
-\letvalue{\s!do\v!line\v!left }\leftaligned
-\letvalue{\s!do\v!line\v!right }\rightaligned
-\letvalue{\s!do\v!line\v!middle }\midaligned
-\letvalue{\s!do\v!line\v!flushleft }\rightaligned
-\letvalue{\s!do\v!line\v!flushright}\leftaligned
-\letvalue{\s!do\v!line\v!center }\midaligned
-\letvalue{\s!do\v!line\v!max }\maxaligned
+\letvalue{\??alignline\v!left }\leftaligned
+\letvalue{\??alignline\v!right }\rightaligned
+\letvalue{\??alignline\v!middle }\midaligned
+\letvalue{\??alignline\v!flushleft }\rightaligned
+\letvalue{\??alignline\v!flushright}\leftaligned
+\letvalue{\??alignline\v!center }\midaligned
+\letvalue{\??alignline\v!max }\maxaligned
-\def\doalignedline#1{\resetrealignsignal\csname\s!do\v!line#1\endcsname}
+\def\doalignedline#1{\resetrealignsignal\csname\??alignline#1\endcsname}
%D Experimental (will be redone when floats are redone as it's real messy
%D now). It can also be made faster (if needed).
@@ -777,8 +860,7 @@
\setlocalhsize
\def\\{\endgroup\par\doxalignline#1#2#3#4#5#6\begingroup}% inefficient
\dowithnextbox
- {%\noindent moved up
- \hbox to \localhsize
+ {\hbox to \localhsize
{#1\hskip\ifdone#2\else#3\fi#4%
\hbox to \localhsize
{\the\everyleftofalignedline
@@ -792,35 +874,33 @@
\def\doxcheckline % used for floats so multipass anyway
{\signalrightpage\doifrightpageelse\donetrue\donefalse}
-\setvalue{\s!do\v!line\v!inner }{\doxalignline\doxcheckline++\zeropoint \relax\hss }
-\setvalue{\s!do\v!line\v!outer }{\doxalignline\doxcheckline++\zeropoint \hss \relax}
-\setvalue{\s!do\v!line\v!innermargin}{\doxalignline\doxcheckline-+\innermargintotal\relax\hss }
-\setvalue{\s!do\v!line\v!outermargin}{\doxalignline\doxcheckline+-\outermargintotal\hss \relax}
-\setvalue{\s!do\v!line\v!inneredge }{\doxalignline\doxcheckline-+\inneredgetotal \relax\hss }
-\setvalue{\s!do\v!line\v!outeredge }{\doxalignline\doxcheckline+-\outeredgetotal \hss \relax}
-\setvalue{\s!do\v!line\v!backspace }{\doxalignline\doxcheckline-+\backspace \relax\hss }
-\setvalue{\s!do\v!line\v!cutspace }{\doxalignline\doxcheckline+-\cutspace \hss \relax}
-
-\setvalue{\s!do\v!line\v!leftmargin }{\doxalignline\donefalse --\leftmargintotal \hss \relax}
-\setvalue{\s!do\v!line\v!rightmargin}{\doxalignline\donefalse ++\rightmargintotal\relax\hss }
-\setvalue{\s!do\v!line\v!leftedge }{\doxalignline\donefalse --\leftedgetotal \hss \relax}
-\setvalue{\s!do\v!line\v!rightedge }{\doxalignline\donefalse ++\rightedgetotal \relax\hss }
-
-% ! ! ! beware, redefining \doalignline gives the wrong results ! ! !
-%
-% \def\doalignline{\doxalignline\donefalse++\zeropoint}
+\setvalue{\??alignline\v!inner }{\doxalignline\doxcheckline++\zeropoint \relax\hss }
+\setvalue{\??alignline\v!outer }{\doxalignline\doxcheckline++\zeropoint \hss \relax}
+\setvalue{\??alignline\v!innermargin}{\doxalignline\doxcheckline-+\innermargintotal\relax\hss }
+\setvalue{\??alignline\v!outermargin}{\doxalignline\doxcheckline+-\outermargintotal\hss \relax}
+\setvalue{\??alignline\v!inneredge }{\doxalignline\doxcheckline-+\inneredgetotal \relax\hss }
+\setvalue{\??alignline\v!outeredge }{\doxalignline\doxcheckline+-\outeredgetotal \hss \relax}
+\setvalue{\??alignline\v!backspace }{\doxalignline\doxcheckline-+\backspace \relax\hss }
+\setvalue{\??alignline\v!cutspace }{\doxalignline\doxcheckline+-\cutspace \hss \relax}
-%D Better:
+\setvalue{\??alignline\v!leftmargin }{\doxalignline\donefalse --\leftmargintotal \hss \relax}
+\setvalue{\??alignline\v!rightmargin}{\doxalignline\donefalse ++\rightmargintotal\relax\hss }
+\setvalue{\??alignline\v!leftedge }{\doxalignline\donefalse --\leftedgetotal \hss \relax}
+\setvalue{\??alignline\v!rightedge }{\doxalignline\donefalse ++\rightedgetotal \relax\hss }
-\def\doalignedline#1{\csname\s!do\v!line#1\endcsname}
+\def\doalignedline#1% unchecked
+ {\csname\??alignline#1\endcsname}
\def\alignedline#1#2% setting default
- {\csname\s!do\v!line\ifcsname\s!do\v!line#1\endcsname#1\else#2\fi\endcsname}
+ {\csname\??alignline\ifcsname\??alignline#1\endcsname#1\else#2\fi\endcsname}
% beware: \wordright{whatever\kern-\rightskip} should work!
% so, no funny boxing here
-\def\dowordright[#1]%
+\unexpanded\def\wordright
+ {\dosingleempty\spacing_word_right}
+
+\def\spacing_word_right[#1]%
{% don't change
\groupedcommand
{\removeunwantedspaces
@@ -835,50 +915,72 @@
\finalhyphendemerits\zerocount % yes or no (see hyhenation/specialcases-001.tex)
\par}}
-\unexpanded\def\wordright
- {\dosingleempty\dowordright}
-
-% \dorecurse{5}{something } \wordright{--someone} \endgraf
-% \dorecurse{6}{something } \wordright{--someone} \endgraf
-% \dorecurse{7}{something } \wordright{--someone} \endgraf
+% \dorecurse{5}{something} \wordright{--someone} \endgraf
+% \dorecurse{6}{something} \wordright{--someone} \endgraf
+% \dorecurse{7}{something} \wordright{--someone} \endgraf
%
-% \dorecurse{5}{something } \wordright{--someone else entirely} \endgraf
-% \dorecurse{6}{something } \wordright{--someone else entirely} \endgraf
-% \dorecurse{7}{something } \wordright{--someone else entirely} \endgraf
+% \dorecurse{5}{something} \wordright{--someone else entirely} \endgraf
+% \dorecurse{6}{something} \wordright{--someone else entirely} \endgraf
+% \dorecurse{7}{something} \wordright{--someone else entirely} \endgraf
%
% \wordright[\rightskip]{whatever}
-
-% \simplealignedbox{2cm}{right}{x}
-% \setvalue{\s!simple\c!align\v!right }#1#2{\hbox to #1{#2\hss}}
-% \setvalue{\s!simple\c!align\v!left }#1#2{\hbox to #1{\hss#2}}
-% \setvalue{\s!simple\c!align\v!flushright }#1#2{\hbox to #1{\hss#2}}
-% \setvalue{\s!simple\c!align\v!flushleft }#1#2{\hbox to #1{#2\hss}}
-% \setvalue{\s!simple\c!align\v!middle }#1#2{\hbox to #1{\hss#2\hss}}
+% \simplealignedbox{2cm}{right}{x}
-% \unexpanded\def\simplealignedbox#1%
-% {\csname\s!simple\c!align\ifcsname\s!simple\c!align#1\endcsname#1\else\v!right\fi\endcsname}
+\installcorenamespace{alignsimple}
-\setvalue{\s!simple:\c!align:\v!right }#1{{#1\hss}}
-\setvalue{\s!simple:\c!align:\v!left }#1{{\hss#1}}
-\setvalue{\s!simple:\c!align:\v!flushright }#1{{\hss#1}}
-\setvalue{\s!simple:\c!align:\v!flushleft }#1{{#1\hss}}
-\setvalue{\s!simple:\c!align:\v!middle }#1{{\hss#1\hss}}
+\setvalue{\??alignsimple\v!right }#1{{#1\hss}}
+\setvalue{\??alignsimple\v!left }#1{{\hss#1}}
+\setvalue{\??alignsimple\v!flushright}#1{{\hss#1}}
+\setvalue{\??alignsimple\v!flushleft }#1{{#1\hss}}
+\setvalue{\??alignsimple\v!middle }#1{{\hss#1\hss}}
\unexpanded\def\simplealignedbox#1#2%
- {\hbox to #1\csname\s!simple:\c!align:\ifcsname\s!simple:\c!align:#2\endcsname#2\else\v!right\fi\endcsname}
-
-% \setvalue{spac_align_set_ss_\v!right }#1#2{\let#1\relax\let#2\hss }
-% \setvalue{spac_align_set_ss_\v!left }#1#2{\let#1\hss \let#2\relax}
-% \setvalue{spac_align_set_ss_\v!flushright}#1#2{\let#1\hss \let#2\relax}
-% \setvalue{spac_align_set_ss_\v!flushleft }#1#2{\let#1\relax\let#2\hss }
-% \setvalue{spac_align_set_ss_\v!middle }#1#2{\let#1\hss \let#2\hss }
-% \setvalue{spac_align_set_ss_\v!low }#1#2{\let#1\vss \let#2\relax}
-% \setvalue{spac_align_set_ss_\v!high }#1#2{\let#1\relax\let#2\vss }
-% \setvalue{spac_align_set_ss_\v!lohi }#1#2{\let#1\vss \let#2\vss }
-% \setvalue{spac_align_set_ss_\s!unknown }#1#2{\let#1\relax\let#2\relax}
+ {\hbox to #1\csname\??alignsimple\ifcsname\??alignsimple#2\endcsname#2\else\v!right\fi\endcsname}
+% \installnamespace{alignsets}
+%
+% \setvalue{\??alignsets\v!right }#1#2{\let#1\relax\let#2\hss }
+% \setvalue{\??alignsets\v!left }#1#2{\let#1\hss \let#2\relax}
+% \setvalue{\??alignsets\v!flushright}#1#2{\let#1\hss \let#2\relax}
+% \setvalue{\??alignsets\v!flushleft }#1#2{\let#1\relax\let#2\hss }
+% \setvalue{\??alignsets\v!middle }#1#2{\let#1\hss \let#2\hss }
+% \setvalue{\??alignsets\v!low }#1#2{\let#1\vss \let#2\relax}
+% \setvalue{\??alignsets\v!high }#1#2{\let#1\relax\let#2\vss }
+% \setvalue{\??alignsets\v!lohi }#1#2{\let#1\vss \let#2\vss }
+% \setvalue{\??alignsets\s!unknown }#1#2{\let#1\relax\let#2\relax}
+%
% \unexpanded\def\spac_align_set_ss#1%
-% {\csname spac_align_set_ss_\ifcsname spac_align_set_ss_#1\endcsname#1\else\s!unknown\fi\endcsname}
+% {\csname\??alignsetss\ifcsname\??alignsetss#1\endcsname#1\else\s!unknown\fi\endcsname}
+
+% Some obsolete (old) helpers:
+
+\def\dodefinehbox[#1][#2]%
+ {\setvalue{hbox#1}##1{\hbox to #2{\begstrut##1\endstrut\hss}}}
+
+\unexpanded\def\definehbox
+ {\dodoubleargument\dodefinehbox}
\protect \endinput
+
+% \newskip\@@raggedskipa
+% \newskip\@@raggedskipb
+%
+% \newcount\c_spacing_minimum_tolerance \c_spacing_minimum_tolerance = 1500
+%
+% \unexpanded\def\setraggedness#1%
+% {\ifnum\tolerance<\c_spacing_minimum_tolerance % small values have
+% \tolerance\c_spacing_minimum_tolerance % unwanted side effects
+% \fi
+% \ifx\dohyphens\relax
+% % this code will be reconsidered / kind of fuzzy (and old)
+% \@@raggedskipa 2.5\hsize
+% \@@raggedskipb #1\relax
+% \divide\@@raggedskipa \@@raggedskipb
+% \hyphenpenalty\@@raggedskipa
+% \fi}
+
+% \installalign \v!inner {\setraggedparagraphmode\spacing_align_rl\spacing_align_rr}
+% \installalign \v!outer {\setraggedparagraphmode\spacing_align_rr\spacing_align_rl}
+% \installalign \v!flushouter {\setraggedparagraphmode\spacing_horizontal_left \spacing_horizontal_right}
+% \installalign \v!flushinner {\setraggedparagraphmode\spacing_horizontal_right\spacing_horizontal_left }
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 04:20:30 +0000