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-rw-r--r--tex/context/base/cont-new.tex2
-rw-r--r--tex/context/base/context.tex2
-rw-r--r--tex/context/base/lxml-ini.lua13
-rw-r--r--tex/context/base/lxml-pth.lua283
-rw-r--r--tex/context/base/spac-ver.mkiv65
-rw-r--r--tex/generic/context/luatex-fonts-merged.lua2
6 files changed, 253 insertions, 114 deletions
diff --git a/tex/context/base/cont-new.tex b/tex/context/base/cont-new.tex
index d4a1ca548..f32c851dc 100644
--- a/tex/context/base/cont-new.tex
+++ b/tex/context/base/cont-new.tex
@@ -11,7 +11,7 @@
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
-\newcontextversion{2009.09.25 23:52}
+\newcontextversion{2009.10.02 13:14}
%D This file is loaded at runtime, thereby providing an
%D excellent place for hacks, patches, extensions and new
diff --git a/tex/context/base/context.tex b/tex/context/base/context.tex
index 369ba7cf1..8354ede04 100644
--- a/tex/context/base/context.tex
+++ b/tex/context/base/context.tex
@@ -20,7 +20,7 @@
%D your styles an modules.
\edef\contextformat {\jobname}
-\edef\contextversion{2009.09.25 23:52}
+\edef\contextversion{2009.10.02 13:14}
%D For those who want to use this:
diff --git a/tex/context/base/lxml-ini.lua b/tex/context/base/lxml-ini.lua
index c8c54ea16..cc4b953cd 100644
--- a/tex/context/base/lxml-ini.lua
+++ b/tex/context/base/lxml-ini.lua
@@ -467,13 +467,9 @@ function lxml.last(id,pattern)
xmlsprint(xmllast(get_id(id),pattern))
end
function lxml.all(id,pattern)
- -- xmltprint(xmlcollect(get_id(id),pattern))
traverse(get_id(id), lpath(pattern), function(r,d,k)
- -- to be checked for root::
if d then
xmlsprint(d[k])
- else -- new, maybe wrong
---~ xmlsprint(r)
end
return false
end)
@@ -483,10 +479,6 @@ function lxml.nonspace(id,pattern) -- slow, todo loop
xmltprint(xmlcollect(get_id(id),pattern,true))
end
---~ function lxml.content(id)
---~ xmlsprint(xmlcontent(get_id(id)) or "")
---~ end
-
function lxml.strip(id,pattern,nolines)
xml.strip(get_id(id),pattern,nolines)
end
@@ -676,8 +668,10 @@ function lxml.serialize(root, command)
lxml.addindex(rootname,false,true)
ix = root.ix
end
+--~ print(rootname,ix,command)
texsprint(ctxcatcodes,format("\\xmls{%s::%s}{%s}",rootname,ix,command))
else
+--~ print(ix,command)
texsprint(ctxcatcodes,format("\\xmls{%s}{%s}",ix,command))
end
elseif tc == "function" then
@@ -689,6 +683,7 @@ function lxml.serialize(root, command)
elseif command == false then
-- ignore
else
+ -- texsprint("?")
-- fuzzy, so ignore too
end
end
@@ -849,7 +844,7 @@ end
local rootname, thecmd
local function ndoit(r,d,k)
- local m = (d and d[k]) or r -- brrr this r, maybe away
+ local m = (d and d[k]) or r
local ix = m.ix
if not ix then
lxml.addindex(rootname,false,true)
diff --git a/tex/context/base/lxml-pth.lua b/tex/context/base/lxml-pth.lua
index 8f7015de9..a1bebe017 100644
--- a/tex/context/base/lxml-pth.lua
+++ b/tex/context/base/lxml-pth.lua
@@ -15,6 +15,8 @@ local format, lower, gmatch, gsub, find, rep = string.format, string.lower, stri
which case it hooks into the tracker code. Therefore we provide a few
functions that set the tracers. Here we overload a previously defined
function.</p>
+<p>If I can get in the mood I will make a variant that is XSLT compliant
+but I wonder if it makes sense.</P>
--ldx]]--
local trace_lpath = false if trackers then trackers.register("xml.lpath", function(v) trace_lpath = v end) end
@@ -44,6 +46,10 @@ xml.expressions = xml.expressions or { }
local functions = xml.functions
local expressions = xml.expressions
+-- although we could remap all to expressions we prefer to have a few speed ups
+-- like simple expressions as they happen to occur a lot and then we want to
+-- avoid too many loops
+
local actions = {
[10] = "stay",
[11] = "parent",
@@ -58,6 +64,7 @@ local actions = {
[23] = "match and attribute ne",
[24] = "match one of and attribute eq",
[25] = "match one of and attribute ne",
+ [26] = "has name",
[27] = "has attribute",
[28] = "has value",
[29] = "fast match",
@@ -72,7 +79,11 @@ local P, S, R, C, V, Cc = lpeg.P, lpeg.S, lpeg.R, lpeg.C, lpeg.V, lpeg.Cc
-- instead of using functions we just parse a few names which saves a call
-- later on
+--
+-- we can use a metatable
+local lp_space = S(" \n\r\t")
+local lp_any = P(1)
local lp_position = P("position()") / "ps"
local lp_index = P("index()") / "id"
local lp_text = P("text()") / "tx"
@@ -81,7 +92,12 @@ local lp_tag = P("tag()") / "tg" -- (rt.tg or '')
local lp_ns = P("ns()") / "ns" -- (rt.ns or '')
local lp_noequal = P("!=") / "~=" + P("<=") + P(">=") + P("==")
local lp_doequal = P("=") / "=="
-local lp_attribute = P("@") / "" * Cc("(at['") * R("az","AZ","--","__")^1 * Cc("'] or '')")
+--~ local lp_attribute = P("@") / "" * Cc("(at['") * R("az","AZ","--","__")^1 * Cc("'] or '')")
+local lp_attribute = P("@") / "" * Cc("at['") * R("az","AZ","--","__")^1 * Cc("']")
+local lp_or = P("|") / " or "
+local lp_and = P("&") / " and "
+
+local lp_reserved = C("and") + C("or") + C("not") + C("div") + C("mod") + C("true") + C("false")
local lp_lua_function = C(R("az","AZ","--","__")^1 * (P(".") * R("az","AZ","--","__")^1)^1) * P("(") / function(t) -- todo: better . handling
return t .. "("
@@ -101,12 +117,19 @@ local noparent = 1 - (lparent+rparent)
local nested = lpeg.P{lparent * (noparent + lpeg.V(1))^0 * rparent}
local value = lpeg.P(lparent * lpeg.C((noparent + nested)^0) * rparent) -- lpeg.P{"("*C(((1-S("()"))+V(1))^0)*")"}
+local lp_child = Cc("expressions.child(r,k,'") * R("az","AZ","--","__")^1 * Cc("')")
+local lp_string = Cc("'") * R("az","AZ","--","__")^1 * Cc("'")
+local lp_content= Cc("tx==") * (P("'") * (1-P("'"))^0 * P("'") + P('"') * (1-P('"'))^0 * P('"'))
+
+
-- if we use a dedicated namespace then we don't need to pass rt and k
-local lp_special = (C(P("name")+P("text")+P("tag"))) * value / function(t,s)
+local converter, cleaner
+
+local lp_special = (C(P("name")+P("text")+P("tag")+P("count")+P("child"))) * value / function(t,s)
if expressions[t] then
if s then
- return "expressions." .. t .. "(r,k," .. s ..")"
+ return "expressions." .. t .. "(r,k," .. cleaner:match(s) ..")"
else
return "expressions." .. t .. "(r,k)"
end
@@ -115,20 +138,34 @@ local lp_special = (C(P("name")+P("text")+P("tag"))) * value / function(t,s)
end
end
-local converter = lpeg.Cs ( (
+local content =
lp_position +
lp_index +
lp_text + lp_name + -- fast one
lp_special +
lp_noequal + lp_doequal +
lp_attribute +
+ lp_or + lp_and +
lp_lua_function +
lp_function +
+ lp_reserved +
+ lp_content +
+ lp_child +
+ lp_any
+
+converter = lpeg.Cs (
+ (lpeg.P { lparent * (lpeg.V(1))^0 * rparent + content } )^0
+)
+
+cleaner = lpeg.Cs ( (
+ lp_reserved +
+ lp_string +
1 )^1 )
-- expressions,root,rootdt,k,e,edt,ns,tg,idx,hsh[tg] or 1
local template = [[
+ -- todo: locals for xml.functions
return function(expressions,r,d,k,e,dt,ns,tg,id,ps)
local at, tx = e.at or { }, dt[1] or ""
return %s
@@ -136,12 +173,17 @@ local template = [[
]]
local function make_expression(str)
+--~ print(">>>",str)
str = converter:match(str)
- return str, loadstring(format(template,str))()
+--~ print("<<<",str)
+ local s = loadstring(format(template,str))
+ if s then
+ return str, s()
+ else
+ return str, ""
+ end
end
-local map = { }
-
local space = S(' \r\n\t')
local squote = S("'")
local dquote = S('"')
@@ -173,71 +215,84 @@ local optionalspace = space^0
local text = C(valid^0)
local value = (squote * C((1 - squote)^0) * squote) + (dquote * C((1 - dquote)^0) * dquote)
local empty = 1-slash
+local nobracket = 1-(lbracket+rbracket)
+
+-- this has to become a proper grammar instead of a substitution (which we started
+-- with when we moved to lpeg)
+
+local is_eq = lbracket * atsign * name * eq * value * rbracket * #(1-lbracket)
+local is_ne = lbracket * atsign * name * ne * value * rbracket * #(1-lbracket)
+local is_attribute = lbracket * atsign * name * rbracket * #(1-lbracket)
+local is_value = lbracket * value * rbracket * #(1-lbracket)
+local is_number = lbracket * number * rbracket * #(1-lbracket)
+local is_name = lbracket * name * rbracket * #(1-lbracket)
-local is_eq = lbracket * atsign * name * eq * value * rbracket
-local is_ne = lbracket * atsign * name * ne * value * rbracket
-local is_attribute = lbracket * atsign * name * rbracket
-local is_value = lbracket * value * rbracket
-local is_number = lbracket * number * rbracket
+--~ local is_expression = lbracket * (C(nobracket^1))/make_expression * rbracket
+--~ local is_expression = is_expression * (Cc(" and ") * is_expression)^0
-local nobracket = 1-(lbracket+rbracket) -- must be improved
-local is_expression = lbracket * C(((C(nobracket^1))/make_expression)) * rbracket
+--~ local is_expression = (lbracket/"(") * C(nobracket^1) * (rbracket/")")
+--~ local is_expression = lpeg.Cs(is_expression * (Cc(" and ") * is_expression)^0) / make_expression
-local is_expression = lbracket * (C(nobracket^1))/make_expression * rbracket
+local is_position = function(s) return " position()==" .. s .. " " end
+
+local is_expression = (is_number/is_position) + (lbracket/"(") * (nobracket^1) * (rbracket/")")
+local is_expression = lpeg.Cs(is_expression * (Cc(" and ") * is_expression)^0) / make_expression
local is_one = name
local is_none = exclam * name
local is_one_of = ((lparent * names * rparent) + morenames)
local is_none_of = exclam * ((lparent * names * rparent) + morenames)
+--~ local stay_action = { 11 }, beware, sometimes we adapt !
+
local stay = (period )
-local parent = (period * period ) / function( ) map[#map+1] = { 11 } end
-local subtreeroot = (slash + hat ) / function( ) map[#map+1] = { 12 } end
-local documentroot = (hat * hat ) / function( ) map[#map+1] = { 13 } end
-local any = (star ) / function( ) map[#map+1] = { 14 } end
-local many = (star * star ) / function( ) map[#map+1] = { 15 } end
-local initial = (hat * hat * hat ) / function( ) map[#map+1] = { 16 } end
-
-local match = (is_one ) / function(...) map[#map+1] = { 20, true , ... } end
-local match_one_of = (is_one_of ) / function(...) map[#map+1] = { 21, true , ... } end
-local dont_match = (is_none ) / function(...) map[#map+1] = { 20, false, ... } end
-local dont_match_one_of = (is_none_of ) / function(...) map[#map+1] = { 21, false, ... } end
-
-local match_and_eq = (is_one * is_eq ) / function(...) map[#map+1] = { 22, true , ... } end
-local match_and_ne = (is_one * is_ne ) / function(...) map[#map+1] = { 23, true , ... } end
-local dont_match_and_eq = (is_none * is_eq ) / function(...) map[#map+1] = { 22, false, ... } end
-local dont_match_and_ne = (is_none * is_ne ) / function(...) map[#map+1] = { 23, false, ... } end
-
-local match_one_of_and_eq = (is_one_of * is_eq ) / function(...) map[#map+1] = { 24, true , ... } end
-local match_one_of_and_ne = (is_one_of * is_ne ) / function(...) map[#map+1] = { 25, true , ... } end
-local dont_match_one_of_and_eq = (is_none_of * is_eq ) / function(...) map[#map+1] = { 24, false, ... } end
-local dont_match_one_of_and_ne = (is_none_of * is_ne ) / function(...) map[#map+1] = { 25, false, ... } end
-
-local has_attribute = (is_one * is_attribute) / function(...) map[#map+1] = { 27, true , ... } end
-local has_value = (is_one * is_value ) / function(...) map[#map+1] = { 28, true , ... } end
-local dont_has_attribute = (is_none * is_attribute) / function(...) map[#map+1] = { 27, false, ... } end
-local dont_has_value = (is_none * is_value ) / function(...) map[#map+1] = { 28, false, ... } end
-local position = (is_one * is_number ) / function(...) map[#map+1] = { 30, true, ... } end
-local dont_position = (is_none * is_number ) / function(...) map[#map+1] = { 30, false, ... } end
-
-local expression = (is_one * is_expression)/ function(...) map[#map+1] = { 31, true, ... } end
-local dont_expression = (is_none * is_expression)/ function(...) map[#map+1] = { 31, false, ... } end
-
-local self_expression = ( is_expression) / function(...) if #map == 0 then map[#map+1] = { 11 } end
- map[#map+1] = { 31, true, "*", "*", ... } end
-local dont_self_expression = (exclam * is_expression) / function(...) if #map == 0 then map[#map+1] = { 11 } end
- map[#map+1] = { 31, false, "*", "*", ... } end
-
-local instruction = (instructiontag * text ) / function(...) map[#map+1] = { 40, ... } end
-local nothing = (empty ) / function( ) map[#map+1] = { 15 } end -- 15 ?
+local parent = (period * period ) / function( ) return { 11 } end
+local subtreeroot = (slash + hat ) / function( ) return { 12 } end
+local documentroot = (hat * hat ) / function( ) return { 13 } end
+local any = (star ) / function( ) return { 14 } end
+local many = (star * star ) / function( ) return { 15 } end
+local initial = (hat * hat * hat ) / function( ) return { 16 } end
+
+local match = (is_one ) / function(...) return { 20, true , ... } end
+local match_one_of = (is_one_of ) / function(...) return { 21, true , ... } end
+local dont_match = (is_none ) / function(...) return { 20, false, ... } end
+local dont_match_one_of = (is_none_of ) / function(...) return { 21, false, ... } end
+
+local match_and_eq = (is_one * is_eq ) / function(...) return { 22, true , ... } end
+local match_and_ne = (is_one * is_ne ) / function(...) return { 23, true , ... } end
+local dont_match_and_eq = (is_none * is_eq ) / function(...) return { 22, false, ... } end
+local dont_match_and_ne = (is_none * is_ne ) / function(...) return { 23, false, ... } end
+
+local match_one_of_and_eq = (is_one_of * is_eq ) / function(...) return { 24, true , ... } end
+local match_one_of_and_ne = (is_one_of * is_ne ) / function(...) return { 25, true , ... } end
+local dont_match_one_of_and_eq = (is_none_of * is_eq ) / function(...) return { 24, false, ... } end
+local dont_match_one_of_and_ne = (is_none_of * is_ne ) / function(...) return { 25, false, ... } end
+
+local has_name = (is_one * is_name) / function(...) return { 26, true , ... } end
+local dont_has_name = (is_none * is_name) / function(...) return { 26, false, ... } end
+local has_attribute = (is_one * is_attribute) / function(...) return { 27, true , ... } end
+local dont_has_attribute = (is_none * is_attribute) / function(...) return { 27, false, ... } end
+local has_value = (is_one * is_value ) / function(...) return { 28, true , ... } end
+local dont_has_value = (is_none * is_value ) / function(...) return { 28, false, ... } end
+local position = (is_one * is_number ) / function(...) return { 30, true, ... } end
+local dont_position = (is_none * is_number ) / function(...) return { 30, false, ... } end
+
+local expression = (is_one * is_expression)/ function(...) return { 31, true, ... } end
+local dont_expression = (is_none * is_expression)/ function(...) return { 31, false, ... } end
+
+local self_expression = ( is_expression) / function(...) return { 31, true, "*", "*", ... } end
+local dont_self_expression = (exclam * is_expression) / function(...) return { 31, false, "*", "*", ... } end
+
+local instruction = (instructiontag * text ) / function(...) return { 40, ... } end
+local nothing = (empty ) / function( ) return { 15 } end -- 15 ?
local crap = (1-slash)^1
-- a few ugly goodies:
-local docroottag = P('^^') / function( ) map[#map+1] = { 12 } end
-local subroottag = P('^') / function( ) map[#map+1] = { 13 } end
-local roottag = P('root::') / function( ) map[#map+1] = { 12 } end
-local parenttag = P('parent::') / function( ) map[#map+1] = { 11 } end
+local docroottag = P('^^') / function() return { 12 } end
+local subroottag = P('^') / function() return { 13 } end
+local roottag = P('root::') / function() return { 12 } end
+local parenttag = P('parent::') / function() return { 11 } end
local childtag = P('child::')
local selftag = P('self::')
@@ -247,21 +302,23 @@ local selector = (
instruction +
-- many + any + -- brrr, not here !
parent + stay +
- dont_position + position +
+ dont_position + position + -- fast one
+ dont_has_attribute + has_attribute + -- fast ones
+ dont_has_name + has_name + -- fast ones
+ dont_has_value + has_value + -- fast ones
dont_match_one_of_and_eq + dont_match_one_of_and_ne +
match_one_of_and_eq + match_one_of_and_ne +
dont_match_and_eq + dont_match_and_ne +
match_and_eq + match_and_ne +
dont_expression + expression +
dont_self_expression + self_expression +
- has_attribute + has_value +
dont_match_one_of + match_one_of +
dont_match + match +
many + any +
crap + empty
)
-local grammar = P { "startup",
+local grammar = lpeg.Ct { "startup",
startup = (initial + documentroot + subtreeroot + roottag + docroottag + subroottag)^0 * V("followup"),
followup = ((slash + parenttag + childtag + selftag)^0 * selector)^1,
}
@@ -274,11 +331,14 @@ local function compose(str)
-- root
return false
else
- map = { }
- grammar:match(str)
+ local map = grammar:match(str)
if #map == 0 then
return true
else
+ if map[1][1] == 32 then
+ -- lone expression
+ insert(map, 1, { 11 })
+ end
local m = map[1][1]
if #map == 1 then
if m == 14 or m == 15 then
@@ -289,14 +349,12 @@ local function compose(str)
return false
end
elseif #map == 2 and m == 12 and map[2][1] == 20 then
- -- return { { 29, map[2][2], map[2][3], map[2][4], map[2][5] } }
map[2][1] = 29
return { map[2] }
end
if m ~= 11 and m ~= 12 and m ~= 13 and m ~= 14 and m ~= 15 and m ~= 16 then
insert(map, 1, { 16 })
end
- -- print(gsub(table.serialize(map),"[ \n]+"," "))
return map
end
end
@@ -304,7 +362,7 @@ end
local cache = { }
-function xml.lpath(pattern,trace)
+local function lpath(pattern,trace)
lpathcalls = lpathcalls + 1
if type(pattern) == "string" then
local result = cache[pattern]
@@ -322,6 +380,8 @@ function xml.lpath(pattern,trace)
end
end
+xml.lpath = lpath
+
function xml.cached_patterns()
return cache
end
@@ -333,7 +393,7 @@ end
function xml.lshow(pattern,report)
-- report = report or fallbackreport
report = report or (texio and texio.write) or io.write
- local lp = xml.lpath(pattern)
+ local lp = lpath(pattern)
if lp == false then
report(" -: root\n")
elseif lp == true then
@@ -414,13 +474,13 @@ expressions.error = function(str)
end
functions.text = function(root,k,n) -- unchecked, maybe one deeper
- local t = type(t)
- if t == "string" then
- return t
- else -- todo n
+--~ local t = type(t) -- ?
+--~ if t == "string" then
+--~ return t
+--~ else -- todo n
local rdt = root.dt
return (rdt and rdt[k]) or root[k] or ""
- end
+--~ end
end
functions.name = function(d,k,n) -- ns + tg
@@ -550,8 +610,10 @@ local function traverse(root,pattern,handle,reverse,index,parent,wildcard) -- mu
local ep = root.__p__ or parent
if index < #pattern then
if not traverse(ep,pattern,handle,reverse,index+1,root) then return false end
- elseif handle(root,rootdt,k) then
+ elseif handle(ep) then -- wrong (others also)
return false
+ else
+ -- ?
end
else
if (command == 16 or command == 12) and index == 1 then -- initial
@@ -565,8 +627,10 @@ local function traverse(root,pattern,handle,reverse,index,parent,wildcard) -- mu
local ep = root.__p__ or parent
if index < #pattern then
if not traverse(ep,pattern,handle,reverse,index+1,root) then return false end
- elseif handle(root,rootdt,k) then
+ elseif handle(ep) then
return false
+ else
+ -- ?
end
else
local rootdt = root.dt
@@ -579,8 +643,7 @@ local function traverse(root,pattern,handle,reverse,index,parent,wildcard) -- mu
elseif reverse and index == #pattern then
start, stop, step = stop, start, -1
end
- local idx = 0
- local hsh = { } -- this will slooow down the lot
+ local idx, hsh = 0, { } -- this hsh will slooow down the lot
for k=start,stop,step do -- we used to have functions for all but a case is faster
local e = rootdt[k]
local ns, tg = e.rn or e.ns, e.tg
@@ -676,6 +739,30 @@ local function traverse(root,pattern,handle,reverse,index,parent,wildcard) -- mu
end
if not action[2] then matched = not matched end
matched = matched and e.at[action[#action-1]] ~= action[#action]
+ elseif command == 26 then -- has child
+ local ns_a, tg_a = action[3], action[4]
+ if tg == tg_a then
+ matched = ns_a == "*" or ns == ns_a
+ elseif tg_a == '*' then
+ matched, multiple = ns_a == "*" or ns == ns_a, true
+ else
+ matched = false
+ end
+ if not action[2] then matched = not matched end
+ if matched then
+ -- ok, we could have the whole sequence here ... but > 1 has become an expression
+ local ns_a, tg_a, ok, edt = action[5], action[6], false, e.dt
+ for k=1,#edt do
+ local edk = edt[k]
+ if type(edk) == "table" then
+ if (ns_a == "*" or edk.ns == ns_a) and (edk.tg == tg_a) then
+ ok = true
+ break
+ end
+ end
+ end
+ matched = matched and ok
+ end
elseif command == 27 then -- has attribute
local ns_a, tg_a = action[3], action[4]
if tg == tg_a then
@@ -686,8 +773,8 @@ local function traverse(root,pattern,handle,reverse,index,parent,wildcard) -- mu
matched = false
end
if not action[2] then matched = not matched end
- matched = matched and e.at[action[5]]
- elseif command == 28 then -- has value
+ matched = matched and e.at[action[6]]
+ elseif command == 28 then -- has value (text match)
local edt, ns_a, tg_a = e.dt, action[3], action[4]
if tg == tg_a then
matched = ns_a == "*" or ns == ns_a
@@ -724,6 +811,7 @@ local function traverse(root,pattern,handle,reverse,index,parent,wildcard) -- mu
end
end
else
+ -- todo: [expr][expr]
if not traverse(e,pattern,handle,reverse,index+1,root) then return false end
end
elseif command == 14 then -- any
@@ -768,8 +856,10 @@ local function traverse(root,pattern,handle,reverse,index,parent,wildcard) -- mu
local ep = e.__p__ or parent
if index < #pattern then
if not traverse(ep,pattern,handle,reverse,index+1,root) then return false end
- elseif handle(root,rootdt,k) then
+ elseif handle(ep) then
return false
+ else
+ --
end
break -- else loop
end
@@ -783,6 +873,18 @@ end
xml.traverse = traverse
+expressions.child = function(root,k,what) -- we could move the lpath converter to the scanner
+ local ok = false
+ traverse(root.dt[k],lpath(what),function(r,d,t) ok = true return true end)
+ return ok
+end
+
+expressions.count = function(root,k,what) -- we could move the lpath converter to the scanner
+ local n = 0
+ traverse(root.dt[k],lpath(what),function(r,d,t) n = n + 1 return false end)
+ return n
+end
+
--[[ldx--
<p>Next come all kind of locators and manipulators. The most generic function here
is <t>xml.filter(root,pattern)</t>. All registers functions in the filters namespace
@@ -1570,6 +1672,29 @@ end
--~ xml.lshow("/../../../a/(b|c)[@d='e']/f")
--~ xml.lshow("/../../../a/!(b|c)[@d='e']/f")
--~ xml.lshow("/../../../a/!b[@d!='e']/f")
+--~ xml.lshow("a[text()=='b']")
+--~ xml.lshow("a['b']")
+--~ xml.lshow("(x|y)[b]")
+--~ xml.lshow("/aaa[bbb]")
+--~ xml.lshow("aaa[bbb][ccc][ddd]")
+--~ xml.lshow("aaa['xxx']")
+--~ xml.lshow("a[b|c]")
+--~ xml.lshow("whatever['crap']")
+--~ xml.lshow("whatever[count(whocares) > 1 and oeps and 'oeps']")
+--~ xml.lshow("whatever[whocares]")
+--~ xml.lshow("whatever[@whocares]")
+--~ xml.lshow("whatever[count(whocares) > 1]")
+--~ xml.lshow("a(@b)")
+--~ xml.lshow("a[b|c|d]")
+--~ xml.lshow("a[b and @b]")
+--~ xml.lshow("a[b]")
+--~ xml.lshow("a[b and b]")
+--~ xml.lshow("a[b][c]")
+--~ xml.lshow("a[b][1]")
+--~ xml.lshow("a[1]")
+--~ xml.lshow("a[count(b)!=0][count(b)!=0]")
+--~ xml.lshow("a[not(count(b))][not(count(b))]")
+--~ xml.lshow("a[count(b)!=0][count(b)!=0]")
--~ x = xml.convert([[
--~ <a>
diff --git a/tex/context/base/spac-ver.mkiv b/tex/context/base/spac-ver.mkiv
index bce0fb826..229a49193 100644
--- a/tex/context/base/spac-ver.mkiv
+++ b/tex/context/base/spac-ver.mkiv
@@ -416,39 +416,35 @@
\newsignal \noparskipsignal % \def\noparskipsignal {0.00001pt}
\def\lastdoneparskip {0pt}
-\def\startpacked
+\newconditional\noblankinpacked
+\newcount\packeddepth
+
+\unexpanded\def\startpacked
{\dosingleempty\dostartpacked}
\def\dostartpacked[#1]% nesting afvangen
- {\par
- \ifvmode
+ {\global\advance\packeddepth\plusone
+ \par
+ \ifnum\packeddepth=\plusone \ifvmode
\bgroup
\whitespace % not combined
- \blank[\v!disable]
- \setupwhitespace[\v!none]
- \let\startpacked\nestedstartpacked
- \fi}
+ \blank[\v!disable]%
+ \doifelse{#1}\v!blank\setfalse\settrue\noblankinpacked
+ \setupwhitespace[\v!none]%
+ \fi \fi}
-\def\stoppacked
+\unexpanded\def\stoppacked
{\par
- \ifvmode
+ \ifnum\packeddepth=\plusone \ifvmode
\egroup
- \fi}
-
-\def\nestedstartpacked
- {\par
- \bgroup
- \let\stoppacked\nestedstoppacked}
-
-\def\nestedstoppacked
- {\par
- \egroup}
+ \fi \fi
+ \global\advance\packeddepth\minusone}
-\def\startunpacked
+\unexpanded\def\startunpacked
{\blank
\bgroup}
-\def\stopunpacked
+\unexpanded\def\stopunpacked
{\egroup
\blank}
@@ -1539,6 +1535,17 @@
\flushblankhandling}
\def\startblankhandling
+ {\par
+ \ifvmode
+ \expandafter\dostartblankhandling
+ \else
+ \expandafter\nostartblankhandling
+ \fi}
+
+\def\nostartblankhandling#1\stopblankhandling
+ {}
+
+\def\dostartblankhandling
{\begingroup
\setfalse\someblankdone
\the\everybeforeblankhandling}
@@ -1587,8 +1594,20 @@
\unexpanded\def\vspacing
{\dosingleempty\dovspacing}
-\def\dovspacing[#1]%
- {\ctxlua{vspacing.analyse("\iffirstargument#1\else\s!default\fi")}}
+\def\dovspacing % blank also has a \flushnotes
+ {\ifinpagebody
+ \expandafter\dovspacingyes
+ \else\ifconditional\noblankinpacked % todo: better reset this conditional in pagebody
+ \expandafter\expandafter\expandafter\dovspacingnop
+ \else
+ \expandafter\expandafter\expandafter\dovspacingyes
+ \fi\fi}
+
+\def\dovspacingyes[#1]%
+ {\ifmmode\else\ctxlua{vspacing.analyse("\iffirstargument#1\else\s!default\fi")}\fi}
+
+\def\dovspacingnop[#1]%
+ {\ifmmode\else\par\fi}
% todo: check them and make them faster:
diff --git a/tex/generic/context/luatex-fonts-merged.lua b/tex/generic/context/luatex-fonts-merged.lua
index 8d7f7b58b..d0e7f9ae9 100644
--- a/tex/generic/context/luatex-fonts-merged.lua
+++ b/tex/generic/context/luatex-fonts-merged.lua
@@ -1,6 +1,6 @@
-- merged file : c:/data/develop/context/texmf/tex/generic/context/luatex-fonts-merged.lua
-- parent file : c:/data/develop/context/texmf/tex/generic/context/luatex-fonts.lua
--- merge date : 09/25/09 23:59:10
+-- merge date : 10/02/09 13:19:15
do -- begin closure to overcome local limits and interference
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 00:12:08 +0000