diff options
Diffstat (limited to 'tex/context/base/back-ini.lua')
| -rw-r--r-- | tex/context/base/back-ini.lua | 194 |
1 files changed, 37 insertions, 157 deletions
diff --git a/tex/context/base/back-ini.lua b/tex/context/base/back-ini.lua index 4e990aa38..5cabc16ac 100644 --- a/tex/context/base/back-ini.lua +++ b/tex/context/base/back-ini.lua @@ -6,10 +6,9 @@ if not modules then modules = { } end modules ['back-ini'] = { license = "see context related readme files" } --- I need to check what is actually needed, maybe some can become --- locals. +local setmetatable = setmetatable -backends = backends or { } +backends = backends or { } local backends = backends local trace_backend = false trackers.register("backend.initializers", function(v) trace_finalizers = v end) @@ -20,143 +19,35 @@ local function nothing() return nil end backends.nothing = nothing -backends.nodeinjections = { - - rgbcolor = nothing, - cmykcolor = nothing, - graycolor = nothing, - spotcolor = nothing, - - transparency = nothing, - - overprint = nothing, - knockout = nothing, - - positive = nothing, - negative = nothing, - - effect = nothing, - - startlayer = nothing, - stoplayer = nothing, - switchlayer = nothing, - - reference = nothing, - destination = nothing, - - addtags = nothing, - - insertu3d = nothing, - insertswf = nothing, - insertmovie = nothing, - insertsound = nothing, - - injectbitmap = nothing, - -} - -backends.codeinjections = { - - prerollreference = nothing, - - presetsymbol = nothing, - presetsymbollist = nothing, - registersymbol = nothing, - registeredsymbol = nothing, - - registercomment = nothing, - - embedfile = nothing, - attachfile = nothing, - attachmentid = nothing, - - adddocumentinfo = nothing, - setupidentity = nothing, - setupcanvas = nothing, - - setpagetransition = nothing, - - defineviewerlayer = nothing, - useviewerlayer = nothing, - - addbookmarks = nothing, - - addtransparencygroup = nothing, - - typesetfield = nothing, - doiffieldelse = nothing, - doiffieldgroupelse = nothing, - doiffieldsetelse = nothing, - definefield = nothing, - clonefield = nothing, - definefieldset = nothing, - setfieldcalculationset = nothing, - getfieldgroup = nothing, - getfieldset = nothing, - setformsmethod = nothing, - getdefaultfieldvalue = nothing, - - flushpageactions = nothing, - flushdocumentactions = nothing, - - insertrenderingwindow = nothing, - processrendering = nothing, - - setfigurecolorspace = nothing, - setfigurealternative = nothing, - setfiguremask = nothing, - - enabletags = nothing, - - mergereferences = nothing, - mergeviewerlayers = nothing, - - setformat = nothing, - getformatoption = nothing, - supportedformats = nothing, - - -- called in tex - - finalizepage = nothing, -- will go when we have a hook at the lua end - - finishreference = nothing, - - getoutputfilename = nothing, - +local mt = { + __index = function(t,k) + t[k] = nothing + return nothing + end } -backends.registrations = { - - grayspotcolor = nothing, - rgbspotcolor = nothing, - cmykspotcolor = nothing, - - grayindexcolor = nothing, - rgbindexcolor = nothing, - cmykindexcolor = nothing, - - spotcolorname = nothing, - - transparency = nothing, +local nodeinjections = { } setmetatable(nodeinjections, mt) +local codeinjections = { } setmetatable(codeinjections, mt) +local registrations = { } setmetatable(registrations, mt) +local tables = { } +local defaults = { + nodeinjections = nodeinjections, + codeinjections = codeinjections, + registrations = registrations, + tables = tables, } -local comment = { "comment", "" } +backends.defaults = defaults -backends.tables = { - vfspecials = { - red = comment, - green = comment, - blue = comment, - black = comment, - startslant = comment, - stopslant = comment, - } -} +backends.nodeinjections = { } setmetatable(backends.nodeinjections, { __index = nodeinjections }) +backends.codeinjections = { } setmetatable(backends.codeinjections, { __index = codeinjections }) +backends.registrations = { } setmetatable(backends.registrations, { __index = registrations }) +backends.tables = { } setmetatable(backends.tables, { __index = tables }) backends.current = "unknown" -function backends.install(what) -- these can become metatables +function backends.install(what) if type(what) == "string" then local backend = backends[what] if backend then @@ -164,32 +55,10 @@ function backends.install(what) -- these can become metatables report_backend("initializing backend %s (%s)",what,backend.comment or "no comment") end backends.current = what - for _, category in next, { "nodeinjections", "codeinjections", "registrations", "tables" } do - local plugin = backend[category] - local whereto = backends[category] - if plugin then - for name, meaning in next, whereto do - if plugin[name] then - whereto[name] = plugin[name] - -- report_backend("installing function %s in category %s of %s",name,category,what) - elseif trace_backend then - report_backend("no function %s in category %s of %s",name,category,what) - end - end - elseif trace_backend then - report_backend("no category %s in %s",category,what) - end - -- extra checks - for k, v in next, whereto do - if not plugin[k] then - report_backend("entry %s in %s is not set",k,category) - end - end - for k, v in next, plugin do - if not whereto[k] then - report_backend("entry %s in %s is not used",k,category) - end - end + for category, default in next, defaults do + local target, plugin = backends[category], backend[category] + setmetatable(plugin, { __index = default }) + setmetatable(target, { __index = plugin }) end elseif trace_backend then report_backend("no backend named %s",what) @@ -205,3 +74,14 @@ statistics.register("used backend", function() return nil end end) + +local comment = { "comment", "" } + +tables.vfspecials = { + red = comment, + green = comment, + blue = comment, + black = comment, + startslant = comment, + stopslant = comment, +} |