diff options
Diffstat (limited to 'scripts/context/lua/mtxrun.lua')
| -rw-r--r-- | scripts/context/lua/mtxrun.lua | 209 |
1 files changed, 126 insertions, 83 deletions
diff --git a/scripts/context/lua/mtxrun.lua b/scripts/context/lua/mtxrun.lua index ff77ef95a..261c00efd 100644 --- a/scripts/context/lua/mtxrun.lua +++ b/scripts/context/lua/mtxrun.lua @@ -8949,7 +8949,7 @@ local function profiled_apply(list,parsed,nofparsed,order) elseif kind == "expression" then collected = apply_expression(collected,pi.evaluator,order) elseif kind == "finalizer" then - collected = pi.finalizer(collected) + collected = pi.finalizer(collected) -- no check on # here p.matched = p.matched + 1 p.finalized = p.finalized + 1 return collected @@ -10070,6 +10070,21 @@ local function all(collected) return collected end +-- local function reverse(collected) +-- if collected then +-- local nc = #collected +-- if nc > 0 then +-- local reversed, r = { }, 0 +-- for c=nc,1,-1 do +-- r = r + 1 +-- reversed[r] = collected[c] +-- end +-- return reversed +-- else +-- return collected +-- end +-- end +-- end local reverse = table.reversed @@ -10086,34 +10101,37 @@ local function att(id,name) end local function count(collected) - return (collected and #collected) or 0 + return collected and #collected or 0 end local function position(collected,n) - if collected then - n = tonumber(n) or 0 - if n < 0 then - return collected[#collected + n + 1] - elseif n > 0 then - return collected[n] - else - return collected[1].mi or 0 - end + if not collected then + return 0 + end + local nc = #collected + if nc == 0 then + return 0 + end + n = tonumber(n) or 0 + if n < 0 then + return collected[nc + n + 1] + elseif n > 0 then + return collected[n] + else + return collected[1].mi or 0 end end local function match(collected) - return (collected and collected[1].mi) or 0 -- match + return collected and #collected > 0 and collected[1].mi or 0 -- match end local function index(collected) - if collected then - return collected[1].ni - end + return collected and #collected > 0 and collected[1].ni or 0 -- 0 is new end local function attributes(collected,arguments) - if collected then + if collected and #collected > 0 then local at = collected[1].at if arguments then return at[arguments] @@ -10124,7 +10142,7 @@ local function attributes(collected,arguments) end local function chainattribute(collected,arguments) -- todo: optional levels - if collected then + if collected and #collected > 0 then local e = collected[1] while e do local at = e.at @@ -10143,7 +10161,7 @@ local function chainattribute(collected,arguments) -- todo: optional levels end local function raw(collected) -- hybrid (not much different from text so it might go) - if collected then + if collected and #collected > 0 then local e = collected[1] or collected return e and xmltostring(e) or "" -- only first as we cannot concat function else @@ -10186,7 +10204,7 @@ end -- local function text(collected) -- hybrid - if collected then + if collected and #collected > 0 then local e = collected[1] or collected return (e and xmltotext(e)) or "" else @@ -10195,89 +10213,114 @@ local function text(collected) -- hybrid end local function texts(collected) - if collected then - local t, n = { }, 0 - for c=1,#collected do - local e = collected[c] - if e and e.dt then - n = n + 1 - t[n] = e.dt - end + if not collected then + return { } -- why no nil + end + local nc = #collected + if nc == 0 then + return { } -- why no nil + end + local t, n = { }, 0 + for c=1,nc do + local e = collected[c] + if e and e.dt then + n = n + 1 + t[n] = e.dt end - return t end + return t end local function tag(collected,n) - if collected then - local c - if n == 0 or not n then - c = collected[1] - elseif n > 1 then - c = collected[n] - else - c = collected[#collected-n+1] - end - return c and c.tg + if not collected then + return + end + local nc = #collected + if nc == 0 then + return + end + local c + if n == 0 or not n then + c = collected[1] + elseif n > 1 then + c = collected[n] + else + c = collected[nc-n+1] end + return c and c.tg end local function name(collected,n) - if collected then - local c - if n == 0 or not n then - c = collected[1] - elseif n > 1 then - c = collected[n] - else - c = collected[#collected-n+1] - end - if c then - if c.ns == "" then - return c.tg - else - return c.ns .. ":" .. c.tg - end - end + if not collected then + return + end + local nc = #collected + if nc == 0 then + return + end + local c + if n == 0 or not n then + c = collected[1] + elseif n > 1 then + c = collected[n] + else + c = collected[nc-n+1] + end + if not c then + -- sorry + elseif c.ns == "" then + return c.tg + else + return c.ns .. ":" .. c.tg end end local function tags(collected,nonamespace) - if collected then - local t, n = { }, 0 - for c=1,#collected do - local e = collected[c] - local ns, tg = e.ns, e.tg - n = n + 1 - if nonamespace or ns == "" then - t[n] = tg - else - t[n] = ns .. ":" .. tg - end + if not collected then + return + end + local nc = #collected + if nc == 0 then + return + end + local t, n = { }, 0 + for c=1,nc do + local e = collected[c] + local ns, tg = e.ns, e.tg + n = n + 1 + if nonamespace or ns == "" then + t[n] = tg + else + t[n] = ns .. ":" .. tg end - return t end + return t end local function empty(collected) - if collected then - for c=1,#collected do - local e = collected[c] - if e then - local edt = e.dt - if edt then - local n = #edt - if n == 1 then - local edk = edt[1] - local typ = type(edk) - if typ == "table" then - return false - elseif edk ~= "" then -- maybe an extra tester for spacing only - return false - end - elseif n > 1 then + if not collected then + return true + end + local nc = #collected + if nc == 0 then + return true + end + for c=1,nc do + local e = collected[c] + if e then + local edt = e.dt + if edt then + local n = #edt + if n == 1 then + local edk = edt[1] + local typ = type(edk) + if typ == "table" then + return false + elseif edk ~= "" then -- maybe an extra tester for spacing only return false end + elseif n > 1 then + return false end end end @@ -10336,7 +10379,7 @@ function xml.text(id,pattern) if pattern then -- return text(xmlfilter(id,pattern)) local collected = xmlfilter(id,pattern) - return (collected and xmltotext(collected[1])) or "" + return collected and #collected > 0 and xmltotext(collected[1]) or "" elseif id then -- return text(id) return xmltotext(id) or "" |