diff options
Diffstat (limited to 'tex/context/base/math-noa.lua')
| -rw-r--r-- | tex/context/base/math-noa.lua | 147 |
1 files changed, 7 insertions, 140 deletions
diff --git a/tex/context/base/math-noa.lua b/tex/context/base/math-noa.lua index b309ba077..903c91f34 100644 --- a/tex/context/base/math-noa.lua +++ b/tex/context/base/math-noa.lua @@ -62,7 +62,6 @@ local new_node = node.new -- todo: pool: math_noad math_sub local new_kern = nodes.pool.kern local new_rule = nodes.pool.rule -local concat_nodes = nodes.concat local topoints = number.points @@ -75,7 +74,8 @@ local fontemwidths = fonthashes.emwidths local fontexheights = fonthashes.exheights local variables = interfaces.variables -local texattribute = tex.attribute +local texsetattribute = tex.setattribute +local texgetattribute = tex.getattribute local unsetvalue = attributes.unsetvalue local chardata = characters.data @@ -462,135 +462,6 @@ function handlers.resize(head,style,penalties) return true end --- respacing - --- local mathpunctuation = attributes.private("mathpunctuation") --- --- local respace = { } processors.respace = respace - --- only [nd,ll,ul][po][nd,ll,ul] - --- respace[math_char] = function(pointer,what,n,parent) -- not math_noad .. math_char ... and then parent --- pointer = parent --- if pointer and pointer.subtype == noad_ord then --- local a = pointer[mathpunctuation] --- if a and a > 0 then --- pointer[mathpunctuation] = 0 --- local current_nucleus = pointer.nucleus --- if current_nucleus.id == math_char then --- local current_char = current_nucleus.char --- local fc = chardata[current_char] --- fc = fc and fc.category --- if fc == "nd" or fc == "ll" or fc == "lu" then --- local next_noad = pointer.next --- if next_noad and next_noad.id == math_noad and next_noad.subtype == noad_punct then --- local next_nucleus = next_noad.nucleus --- if next_nucleus.id == math_char then --- local next_char = next_nucleus.char --- local nc = chardata[next_char] --- nc = nc and nc.category --- if nc == "po" then --- local last_noad = next_noad.next --- if last_noad and last_noad.id == math_noad and last_noad.subtype == noad_ord then --- local last_nucleus = last_noad.nucleus --- if last_nucleus.id == math_char then --- local last_char = last_nucleus.char --- local lc = chardata[last_char] --- lc = lc and lc.category --- if lc == "nd" or lc == "ll" or lc == "lu" then --- local ord = new_node(math_noad) -- todo: pool --- ord.subtype, ord.nucleus, ord.sub, ord.sup, ord.attr = noad_ord, next_noad.nucleus, next_noad.sub, next_noad.sup, next_noad.attr --- -- next_noad.nucleus, next_noad.sub, next_noad.sup, next_noad.attr = nil, nil, nil, nil --- next_noad.nucleus, next_noad.sub, next_noad.sup = nil, nil, nil -- else crash with attributes ref count --- --~ next_noad.attr = nil --- ord.next = last_noad --- pointer.next = ord --- free_node(next_noad) --- end --- end --- end --- end --- end --- end --- end --- end --- end --- end --- end - --- local comma = 0x002C --- local period = 0x002E --- --- respace[math_char] = function(pointer,what,n,parent) --- pointer = parent --- if pointer and pointer.subtype == noad_punct then --- local current_nucleus = pointer.nucleus --- if current_nucleus.id == math_char then --- local current_nucleus = pointer.nucleus --- if current_nucleus.id == math_char then --- local current_char = current_nucleus.char --- local a = pointer[mathpunctuation] --- if not a or a == 0 then --- if current_char == comma then --- -- default tex: 2,5 or 2, 5 --> 2, 5 --- elseif current_char == period then --- -- default tex: 2.5 or 2. 5 --> 2.5 --- pointer.subtype = noad_ord --- end --- elseif a == 1 then --- local next_noad = pointer.next --- if next_noad and next_noad.id == math_noad then --- local next_nucleus = next_noad.nucleus --- if next_nucleus.id == math_char and next_nucleus.char == 0 then --- nodes.remove(pointer,next_noad,true) --- end --- if current_char == comma then --- -- default tex: 2,5 or 2, 5 --> 2, 5 --- elseif current_char == period then --- -- default tex: 2.5 or 2. 5 --> 2.5 --- pointer.subtype = noad_ord --- end --- end --- elseif a == 2 then --- if current_char == comma or current_char == period then --- local next_noad = pointer.next --- if next_noad and next_noad.id == math_noad then --- local next_nucleus = next_noad.nucleus --- if next_nucleus.id == math_char and next_nucleus.char == 0 then --- if current_char == comma then --- -- adaptive: 2, 5 --> 2, 5 --- elseif current_char == period then --- -- adaptive: 2. 5 --> 2. 5 --- end --- nodes.remove(pointer,next_noad,true) --- else --- if current_char == comma then --- -- adaptive: 2,5 --> 2,5 --- pointer.subtype = noad_ord --- elseif current_char == period then --- -- adaptive: 2.5 --> 2.5 --- pointer.subtype = noad_ord --- end --- end --- end --- end --- end --- end --- end --- end --- end --- --- function handlers.respace(head,style,penalties) --- processnoads(head,respace,"respace") --- return true --- end - --- The following code is dedicated to Luigi Scarso who pointed me --- to the fact that \not= is not producing valid pdf-a code. --- The code does not solve this for virtual characters but it does --- a decent job on collapsing so that fonts that have the right --- glyph will have a decent unicode point. In the meantime this code --- has been moved elsewhere. local collapse = { } processors.collapse = collapse @@ -824,7 +695,7 @@ function mathematics.setalternate(fam,tag) local mathalternates = tfmdata.shared and tfmdata.shared.mathalternates if mathalternates then local m = mathalternates[tag] - tex.attribute[a_mathalternate] = m and m.attribute or unsetvalue + texsetattribute(a_mathalternate,m and m.attribute or unsetvalue) end end @@ -947,11 +818,7 @@ trackers.register("math.italics", function(v) if k > 0 then return setcolor(new_rule(k,ex,ex),c_positive_d) else - return concat_nodes { - old_kern(k), - setcolor(new_rule(-k,ex,ex),c_negative_d), - old_kern(k), - } + return old_kern(k) .. setcolor(new_rule(-k,ex,ex),c_negative_d) .. old_kern(k) end end else @@ -1063,14 +930,14 @@ function mathematics.setitalics(n) enable() end if n == variables.reset then - texattribute[a_mathitalics] = unsetvalue + texsetattribute(a_mathitalics,unsetvalue) else - texattribute[a_mathitalics] = tonumber(n) or unsetvalue + texsetattribute(a_mathitalics,tonumber(n) or unsetvalue) end end function mathematics.resetitalics() - texattribute[a_mathitalics] = unsetvalue + texsetattribute(a_mathitalics,unsetvalue) end -- variants |