diff options
author | Marius <mariausol@gmail.com> | 2010-07-04 15:32:09 +0300 |
---|---|---|
committer | Marius <mariausol@gmail.com> | 2010-07-04 15:32:09 +0300 |
commit | 85b7bc695629926641c7cb752fd478adfdf374f3 (patch) | |
tree | 80293f5aaa7b95a500a78392c39688d8ee7a32fc /tex/context/base/data-tmf.lua | |
download | context-85b7bc695629926641c7cb752fd478adfdf374f3.tar.gz |
stable 2010-05-24 13:10
Diffstat (limited to 'tex/context/base/data-tmf.lua')
-rw-r--r-- | tex/context/base/data-tmf.lua | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/tex/context/base/data-tmf.lua b/tex/context/base/data-tmf.lua new file mode 100644 index 000000000..7421eacfc --- /dev/null +++ b/tex/context/base/data-tmf.lua @@ -0,0 +1,75 @@ +if not modules then modules = { } end modules ['data-tmf'] = { + version = 1.001, + comment = "companion to luat-lib.mkiv", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +local find, gsub, match = string.find, string.gsub, string.match +local getenv, setenv = os.getenv, os.setenv + +-- loads *.tmf files in minimal tree roots (to be optimized and documented) + +function resolvers.check_environment(tree) + logs.simpleline() + setenv('TMP', getenv('TMP') or getenv('TEMP') or getenv('TMPDIR') or getenv('HOME')) + setenv('TEXOS', getenv('TEXOS') or ("texmf-" .. os.platform)) + setenv('TEXPATH', gsub(tree or "tex","\/+$",'')) + setenv('TEXMFOS', getenv('TEXPATH') .. "/" .. getenv('TEXOS')) + logs.simpleline() + logs.simple("preset : TEXPATH => %s", getenv('TEXPATH')) + logs.simple("preset : TEXOS => %s", getenv('TEXOS')) + logs.simple("preset : TEXMFOS => %s", getenv('TEXMFOS')) + logs.simple("preset : TMP => %s", getenv('TMP')) + logs.simple('') +end + +function resolvers.load_environment(name) -- todo: key=value as well as lua + local f = io.open(name) + if f then + for line in f:lines() do + if find(line,"^[%%%#]") then + -- skip comment + else + local key, how, value = match(line,"^(.-)%s*([<=>%?]+)%s*(.*)%s*$") + if how then + value = gsub(value,"%%(.-)%%", function(v) return getenv(v) or "" end) + if how == "=" or how == "<<" then + setenv(key,value) + elseif how == "?" or how == "??" then + setenv(key,getenv(key) or value) + elseif how == "<" or how == "+=" then + if getenv(key) then + setenv(key,getenv(key) .. io.fileseparator .. value) + else + setenv(key,value) + end + elseif how == ">" or how == "=+" then + if getenv(key) then + setenv(key,value .. io.pathseparator .. getenv(key)) + else + setenv(key,value) + end + end + end + end + end + f:close() + end +end + +function resolvers.load_tree(tree) + if tree and tree ~= "" then + local setuptex = 'setuptex.tmf' + if lfs.attributes(tree, "mode") == "directory" then -- check if not nil + setuptex = tree .. "/" .. setuptex + else + setuptex = tree + end + if io.exists(setuptex) then + resolvers.check_environment(tree) + resolvers.load_environment(setuptex) + end + end +end |