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if not modules then modules = { } end modules ['lxml-ctx'] = {
version = 1.001,
comment = "companion to lxml-ini.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- is this still used?
local xml = xml
xml.ctx = { }
xml.ctx.enhancers = { }
-- hashen
function xml.ctx.enhancers.compound(root,lpath,before,tokens,after) -- todo lpeg
local before = before or "[%a%d][%a%d][%a%d]"
local tokens = tokens or "[%/%-]"
local after = after or "[%a%d][%a%d][%a%d]"
local pattern = "(" .. before .. ")(" .. tokens .. ")(" .. after .. ")"
local action = function(a,b,c)
return a .. "<compound token=" .. string.format("%q",b) .. "/>" .. c
end
xml.enhance(root,lpath,pattern,action) -- still present?
end
local loaded = { }
local nodesettostring = xml.nodesettostring
-- maybe use detokenize instead of \type
function xml.ctx.tshow(specification)
local pattern = specification.pattern
local xmlroot = specification.xmlroot
local attribute = specification.attribute
if context then
local xmlpattern = pattern
if not string.find(xmlpattern,"^[%a]+://") then
xmlpattern = "xml://" .. pattern
end
local parsed = xml.lpath(xmlpattern)
local titlecommand = specification.title or "type"
if parsed.state then
context[titlecommand]("pattern: " .. pattern .. " (".. parsed.state .. ")")
else
context[titlecommand]("pattern: " .. pattern)
end
context.starttabulate({ "|Tr|Tl|Tp|" } )
if specification.warning then
local comment = parsed.comment
if comment then
for k=1,#comment do
context.NC()
context("!")
context.NC()
context.rlap(comment[k])
context.NR()
end
context.TB()
end
end
for p=1,#parsed do
local pp = parsed[p]
local kind = pp.kind
context.NC()
context(p)
context.NC()
context(kind)
context.NC()
if kind == "axis" then
context(pp.axis)
elseif kind == "nodes" then
context(nodesettostring(pp.nodes,pp.nodetest))
elseif kind == "expression" then
--~ context("%s => %s",pp.expression,pp.converted)
context(pp.expression)
elseif kind == "finalizer" then
context("%s(%s)",pp.name,pp.arguments)
elseif kind == "error" and pp.error then
context(pp.error)
end
context.NC()
context.NR()
end
context.stoptabulate()
if xmlroot and xmlroot ~= "" then
if not loaded[xmlroot] then
loaded[xmlroot] = xml.convert(buffers.getcontent(xmlroot))
end
local collected = xml.filter(loaded[xmlroot],xmlpattern)
if collected then
local tc = type(collected)
if not tc then
-- skip
else
context.blank()
context.type("result : ")
if tc == "string" then
context.type(collected)
elseif tc == "table" then
if collected.tg then
collected = { collected }
end
for c=1,#collected do
local cc = collected[c]
if attribute and attribute ~= "" then
local ccat = cc.at
local a = ccat and ccat[attribute]
if a and a ~= "" then
context.type(a)
context.type(">")
end
end
local ccns = cc.ns
if ccns == "" then
context.type(cc.tg)
else
context.type(ccns .. ":" .. cc.tg)
end
context.space()
end
else
context.type(tostring(tc))
end
context.blank()
end
end
end
end
end
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