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author | Hans Hagen <pragma@wxs.nl> | 2010-08-19 01:08:00 +0200 |
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committer | Hans Hagen <pragma@wxs.nl> | 2010-08-19 01:08:00 +0200 |
commit | 174663b0081dd76f91c45fd705262a262a7b1f49 (patch) | |
tree | 554d5d47e81a9263e98fe7091be7e4dbd363482b /tex/context/base/util-tab.lua | |
parent | e68c228a21a98042c87ef21d9a094b97f941e8de (diff) | |
download | context-174663b0081dd76f91c45fd705262a262a7b1f49.tar.gz |
beta 2010.08.19 01:08
Diffstat (limited to 'tex/context/base/util-tab.lua')
-rw-r--r-- | tex/context/base/util-tab.lua | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tex/context/base/util-tab.lua b/tex/context/base/util-tab.lua new file mode 100644 index 000000000..c9a0923a5 --- /dev/null +++ b/tex/context/base/util-tab.lua @@ -0,0 +1,34 @@ +if not modules then modules = { } end modules ['util-tab'] = { + 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" +} + +utilities = utilities or {} +utilities.tables = utilities.tables or { } +local tables = utilities.tables + +local concat, format, gmatch = table.concat, string.format, string.gmatch + +function tables.definetable(target) -- defines undefined tables + local composed, t = nil, { } + for name in gmatch(target,"([^%.]+)") do + if composed then + composed = composed .. "." .. name + else + composed = name + end + t[#t+1] = format("%s = %s or { }",composed,composed) + end + return concat(t,"\n") +end + +function tables.accesstable(target) + local t = _G + for name in gmatch(target,"([^%.]+)") do + t = t[name] + end + return t +end |