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-rw-r--r--scripts/context/lua/mtxrun.lua75
1 files changed, 74 insertions, 1 deletions
diff --git a/scripts/context/lua/mtxrun.lua b/scripts/context/lua/mtxrun.lua
index d2f7e408f..644c1d9b2 100644
--- a/scripts/context/lua/mtxrun.lua
+++ b/scripts/context/lua/mtxrun.lua
@@ -8174,6 +8174,34 @@ function xml.makestandalone(root)
return root
end
+function xml.kind(e)
+ local dt = e and e.dt
+ if dt then
+ local n = #dt
+ if n == 1 then
+ local d = dt[1]
+ if d.special then
+ local tg = d.tg
+ if tg == "@cd@" then
+ return "cdata"
+ elseif tg == "@cm" then
+ return "comment"
+ elseif tg == "@pi@" then
+ return "instruction"
+ elseif tg == "@dt@" then
+ return "declaration"
+ end
+ elseif type(d) == "string" then
+ return "text"
+ end
+ return "element"
+ elseif n > 0 then
+ return "mixed"
+ end
+ end
+ return "empty"
+end
+
end -- of closure
@@ -9601,7 +9629,7 @@ local xmlfilter = xml.filter
local type, setmetatable, getmetatable = type, setmetatable, getmetatable
local insert, remove, fastcopy, concat = table.insert, table.remove, table.fastcopy, table.concat
-local gmatch, gsub, format = string.gmatch, string.gsub, string.format
+local gmatch, gsub, format, find, strip = string.gmatch, string.gsub, string.format, string.find, string.strip
local utfbyte = utf.byte
local function report(what,pattern,c,e)
@@ -10293,6 +10321,51 @@ function xml.setcdata(e,str) -- also setcomment
} }
end
+-- maybe helpers like this will move to an autoloader
+
+function xml.separate(x,pattern)
+ local collected = xmlapplylpath(x,pattern)
+ if collected then
+ for c=1,#collected do
+ local e = collected[c]
+ local d = e.dt
+ if d == x then
+ report_xml("warning: xml.separate changes root")
+ x = d
+ end
+ local t, n = { "\n" }, 1
+ local i, nd = 1, #d
+ while i <= nd do
+ while i <= nd do
+ local di = d[i]
+ if type(di) == "string" then
+ if di == "\n" or find(di,"^%s+$") then -- first test is speedup
+ i = i + 1
+ else
+ d[i] = strip(di)
+ break
+ end
+ else
+ break
+ end
+ end
+ if i > nd then
+ break
+ end
+ t[n+1] = "\n"
+ t[n+2] = d[i]
+ t[n+3] = "\n"
+ n = n + 3
+ i = i + 1
+ end
+ t[n+1] = "\n"
+ setmetatable(t,getmetatable(d))
+ e.dt = t
+ end
+ end
+ return x
+end
+
end -- of closure