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%D \module
%D [ file=mtx-context-hashed,
%D version=2009.03.21,
%D title=\CONTEXT\ Extra Trickry,
%D subtitle=Combine Files,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
% begin help
%
% usage: context --extra=hashed [options] list-of-files
%
% --database : database to create or extend
% --pattern : file pattern
% --patterns : pattern file
% --compression : apply compression
%
% end help
% \startluacode
% if not resolvers.finders.helpers.validhashed("hasheddata") then
% resolvers.finders.helpers.createhashed {
% database = "hasheddata",
% pattern = "m4all/**.jpg$",
% compress = false,
% }
% resolvers.finders.helpers.createhashed {
% database = "hasheddata",
% pattern = "m4all/**.png$",
% compress = false,
% }
% resolvers.finders.helpers.createhashed {
% database = "hasheddata",
% pattern = "m4all/**.xml$",
% compress = true,
% }
% end
% \stopluacode
% \startluacode
% if not resolvers.finders.helpers.validhashed("hasheddata") then
% resolvers.finders.helpers.createhashed {
% database = "hasheddata",
% patterns = {
% { pattern = "m4all/**.jpg$", compress = false },
% { pattern = "m4all/**.png$", compress = false },
% { pattern = "m4all/**.xml$", compress = true },
% },
% }
% end
% \stopluacode
% context --extra=hashed --database=hasheddata --pattern=m4all/**.jpg
% context --extra=hashed --database=hasheddata --pattern=m4all/**.png
% context --extra=hashed --database=hasheddata --pattern=m4all/**.xml --compress
% context --extra=hashed --database=hasheddata --pattern=m4all/**.svg --compress
% -- m4all.lua:
%
% return {
% { pattern = "m4all/**.jpg$", compress = false },
% { pattern = "m4all/**.png$", compress = false },
% { pattern = "m4all/**.svg$", compress = true },
% { pattern = "m4all/**.xml$", compress = true },
% }
%
% context --extra=hashed --database=hasheddata --patterns=m4all.lua
% \registerhashedfiles[hasheddata]
% \registerfilescheme[hashed]
%
% \externalfigure[hashed:///m4all/books/chapters/h3/h3-if1/images/highres/casino.jpg] [height=1cm]
% \externalfigure[hashed:///m4all/books/chapters/ha/ha-c4/images/highres/ha-c44-ex2-s1.png][height=1cm]
% \externalfigure[m4all/books/chapters/h3/h3-if1/images/highres/casino.jpg] [height=1cm]
% \externalfigure[m4all/books/chapters/ha/ha-c4/images/highres/ha-c44-ex2-s1.png] [height=1cm]
\input mtx-context-common.tex
\noheaderandfooterlines \setupbodyfont[tt]
\starttext
\startluacode
if CONTEXTLMTXMODE > 0 then
local database = document.arguments.database
if database then
local metadata = false
if tex.systemmodes["first"] then
metadata = resolvers.finders.helpers.createhashed {
database = database,
pattern = document.arguments.pattern,
compress = document.arguments.compress,
patterns = document.arguments.patterns and table.load(document.arguments.patterns),
}
else
metadata = resolvers.finders.helpers.validhashed(database)
if metadata then
metadata = metadata.metadata
end
end
if metadata then
local function show(what)
context.NC() context(what)
context.EQ() context(metadata[what])
context.NC() context.NR()
end
context.starttitle { title = "database: " .. database }
context.starttabulate { "||r|" }
show("nofnames")
show("nofpaths")
show("nofblobs")
show("nofcompressed")
context.stoptabulate()
context.stoptitle()
else
context("something went wrong, invalid database")
end
else
context("something went wrong, no database specified")
end
else
context("you need lmtx")
end
\stopluacode
\stoptext
|