diff options
Diffstat (limited to 'tex/context/base/cldf-ini.lua')
| -rw-r--r-- | tex/context/base/cldf-ini.lua | 146 |
1 files changed, 123 insertions, 23 deletions
diff --git a/tex/context/base/cldf-ini.lua b/tex/context/base/cldf-ini.lua index 4a7d9f025..b29db4090 100644 --- a/tex/context/base/cldf-ini.lua +++ b/tex/context/base/cldf-ini.lua @@ -28,17 +28,19 @@ local tex = tex context = context or { } local context = context -local format, gsub, validstring = string.format, string.gsub, string.valid +local format, gsub, validstring, stripstring = string.format, string.gsub, string.valid, string.strip local next, type, tostring, tonumber, setmetatable, unpack, select = next, type, tostring, tonumber, setmetatable, unpack, select local insert, remove, concat = table.insert, table.remove, table.concat -local lpegmatch, lpegC, lpegS, lpegP, lpegCc, patterns = lpeg.match, lpeg.C, lpeg.S, lpeg.P, lpeg.Cc, lpeg.patterns +local lpegmatch, lpegC, lpegS, lpegP, lpegV, lpegCc, lpegCs, patterns = lpeg.match, lpeg.C, lpeg.S, lpeg.P, lpeg.V, lpeg.Cc, lpeg.Cs, lpeg.patterns local formatters = string.formatters -- using formatteds is slower in this case +local loaddata = io.loaddata + local texsprint = tex.sprint local textprint = tex.tprint local texprint = tex.print local texwrite = tex.write -local texcount = tex.count +local texgetcount = tex.getcount local isnode = node.is_node -- after 0.65 just node.type local writenode = node.write @@ -86,13 +88,13 @@ local function _flush_f_(n) else local tn = type(sn) if tn == "function" then - if not sn() and texcount["@@trialtypesetting"] == 0 then -- @@trialtypesetting is private! + if not sn() and texgetcount("@@trialtypesetting") == 0 then -- @@trialtypesetting is private! _stack_f_[n] = nil else -- keep, beware, that way the stack can grow end else - if texcount["@@trialtypesetting"] == 0 then -- @@trialtypesetting is private! + if texgetcount("@@trialtypesetting") == 0 then -- @@trialtypesetting is private! writenode(sn) _stack_f_[n] = nil else @@ -107,7 +109,7 @@ local function _flush_n_(n) local sn = _stack_n_[n] if not sn then report_cld("data with id %a cannot be found on stack",n) - elseif texcount["@@trialtypesetting"] == 0 then -- @@trialtypesetting is private! + elseif texgetcount("@@trialtypesetting") == 0 then -- @@trialtypesetting is private! writenode(sn) _stack_n_[n] = nil else @@ -799,6 +801,10 @@ function context.runfile(filename) end end +function context.loadfile(filename) + context(stripstring(loaddata(resolvers.findfile(filename)))) +end + -- some functions function context.direct(first,...) @@ -809,7 +815,7 @@ end -- context.delayed (todo: lines) -local delayed = { } context.delayed = delayed -- maybe also store them +local delayed = { } context.delayed = delayed -- creates function (maybe also store them) local function indexer(parent,k) local f = function(...) @@ -871,7 +877,7 @@ setmetatable(delayed, { __index = indexer, __call = caller } ) -- context.nested (todo: lines) -local nested = { } context.nested = nested +local nested = { } context.nested = nested -- creates strings local function indexer(parent,k) local f = function(...) @@ -903,28 +909,36 @@ setmetatable(nested, { __index = indexer, __call = caller } ) -- verbatim -local verbatim = { } context.verbatim = verbatim +function context.newindexer(catcodes) + local handler = { } -local function indexer(parent,k) - local command = context[k] - local f = function(...) + local function indexer(parent,k) + local command = context[k] + local f = function(...) + local savedcatcodes = contentcatcodes + contentcatcodes = catcodes + command(...) + contentcatcodes = savedcatcodes + end + parent[k] = f + return f + end + + local function caller(parent,...) local savedcatcodes = contentcatcodes - contentcatcodes = vrbcatcodes - command(...) + contentcatcodes = catcodes + defaultcaller(parent,...) contentcatcodes = savedcatcodes end - parent[k] = f - return f -end -local function caller(parent,...) - local savedcatcodes = contentcatcodes - contentcatcodes = vrbcatcodes - defaultcaller(parent,...) - contentcatcodes = savedcatcodes + setmetatable(handler, { __index = indexer, __call = caller } ) + + return handler end -setmetatable(verbatim, { __index = indexer, __call = caller } ) +context.verbatim = context.newindexer(vrbcatcodes) +context.puretext = context.newindexer(txtcatcodes) +-------.protected = context.newindexer(prtcatcodes) -- formatted @@ -1064,3 +1078,89 @@ setmetatable(delayed, { __index = indexer, __call = caller } ) function context.concat(...) context(concat(...)) end + +-- templates + +local single = lpegP("%") +local double = lpegP("%%") +local lquoted = lpegP("%[") +local rquoted = lpegP("]%") + +local start = [[ +local texescape = lpeg.patterns.texescape +local lpegmatch = lpeg.match +return function(variables) return +]] + +local stop = [[ +end +]] + +local replacer = lpegP { "parser", + parser = lpegCs(lpegCc(start) * lpegV("step") * (lpegCc("..") * lpegV("step"))^0 * lpegCc(stop)), + unquoted = (lquoted/'') * ((lpegC((1-rquoted)^1)) / "lpegmatch(texescape,variables['%0'] or '')" ) * (rquoted/''), + escape = double/'%%', + key = (single/'') * ((lpegC((1-single)^1)) / "(variables['%0'] or '')" ) * (single/''), + step = lpegV("unquoted") + + lpegV("escape") + + lpegV("key") + + lpegCc("\n[===[") * (1 - lpegV("unquoted") - lpegV("escape") - lpegV("key"))^1 * lpegCc("]===]\n"), +} + +local templates = { } + +local function indexer(parent,k) + local v = lpegmatch(replacer,k) + if not v then + v = "error: no valid template (1)" + else + v = loadstring(v) + if type(v) ~= "function" then + v = "error: no valid template (2)" + else + v = v() + if not v then + v = "error: no valid template (3)" + end + end + end + if type(v) == "function" then + local f = function(first,second) + if second then + pushcatcodes(first) + flushlines(v(second)) + popcatcodes() + else + flushlines(v(first)) + end + end + parent[k] = f + return f + else + return function() + flush(v) + end + end + +end + +local function caller(parent,k,...) + return parent[k](...) +end + +setmetatable(templates, { __index = indexer, __call = caller } ) + +function context.template(template,...) + context(templates[template](...)) +end + +context.templates = templates + +-- The above is a bit over the top as we could also stick to a simple context.replace +-- which is fast enough anyway, but the above fits in nicer, also with the catcodes. +-- +-- local replace = utilities.templates.replace +-- +-- function context.template(template,variables) +-- context(replace(template,variables)) +-- end |