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Diffstat (limited to 'Master/texmf-dist/tex/context/base/mkiv/grph-fil.lua')
-rw-r--r--Master/texmf-dist/tex/context/base/mkiv/grph-fil.lua93
1 files changed, 93 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/mkiv/grph-fil.lua b/Master/texmf-dist/tex/context/base/mkiv/grph-fil.lua
new file mode 100644
index 00000000000..e774d097e6e
--- /dev/null
+++ b/Master/texmf-dist/tex/context/base/mkiv/grph-fil.lua
@@ -0,0 +1,93 @@
+if not modules then modules = { } end modules ['grph-fil'] = {
+ version = 1.001,
+ comment = "companion to grph-fig.mkiv",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
+
+local type = type
+
+local trace_run = false trackers.register("graphic.runfile",function(v) trace_run = v end)
+local report_run = logs.reporter("graphics","run")
+
+local isfile = lfs.isfile
+local replacesuffix = file.replacesuffix
+local addsuffix = file.addsuffix
+local checksum = file.checksum
+
+-- Historically running files is part of graphics processing, so this is why it
+-- sits here but is part of the job namespace.
+
+local allocate = utilities.storage.allocate
+
+local collected = allocate()
+local tobesaved = allocate()
+
+local jobfiles = {
+ collected = collected,
+ tobesaved = tobesaved,
+ forcerun = false, -- maybe a directive some day
+}
+
+job.files = jobfiles
+
+local inputsuffix = "tex"
+local resultsuffix = "pdf"
+
+local function initializer()
+ tobesaved = jobfiles.tobesaved
+ collected = jobfiles.collected
+end
+
+job.register('job.files.collected', tobesaved, initializer)
+
+function jobfiles.run(name,action)
+ local usedname = addsuffix(name,inputsuffix) -- we assume tex if not set
+ local oldchecksum = collected[usedname]
+ local newchecksum = checksum(usedname)
+ local resultfile = replacesuffix(usedname,resultsuffix)
+ if jobfiles.forcerun or not oldchecksum or oldchecksum ~= newchecksum or not isfile(resultfile) then
+ if trace_run then
+ report_run("processing file, changes in %a, processing forced",name)
+ end
+ local ta = type(action)
+ if ta == "function" then
+ action(name)
+ elseif ta == "string" and action ~= "" then
+ os.execute(action)
+ else
+ report_run("processing file, no action given for processing %a",name)
+ end
+ elseif trace_run then
+ report_run("processing file, no changes in %a, not processed",name)
+ end
+ tobesaved[name] = newchecksum
+end
+
+--
+
+local done = { }
+
+function jobfiles.context(name,options)
+ if type(name) == "table" then
+ local result = { }
+ for i=1,#name do
+ result[#result+1] = jobfiles.context(name[i],options)
+ end
+ return result
+ else
+ local result = replacesuffix(name,resultsuffix)
+ if not done[result] then
+ jobfiles.run(name,"context ".. (options or "") .. " " .. name)
+ done[result] = true
+ end
+ return result
+ end
+end
+
+interfaces.implement {
+ name = "runcontextjob",
+ arguments = { "string", "string" },
+ actions = { jobfiles.context, context }
+}