diff options
Diffstat (limited to 'tex/context/base/meta-ini.lua')
-rw-r--r-- | tex/context/base/meta-ini.lua | 330 |
1 files changed, 165 insertions, 165 deletions
diff --git a/tex/context/base/meta-ini.lua b/tex/context/base/meta-ini.lua index 460738930..713ba3d5d 100644 --- a/tex/context/base/meta-ini.lua +++ b/tex/context/base/meta-ini.lua @@ -1,165 +1,165 @@ -if not modules then modules = { } end modules ['meta-ini'] = {
- version = 1.001,
- comment = "companion to meta-ini.mkiv",
- author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright = "PRAGMA ADE / ConTeXt Development Team",
- license = "see context related readme files"
-}
-
-local tonumber = tonumber
-local format = string.format
-local lpegmatch, lpegpatterns = lpeg.match, lpeg.patterns
-local P, Cs, R, S, C, Cc = lpeg.P, lpeg.Cs, lpeg.R, lpeg.S, lpeg.C, lpeg.Cc
-
-local context = context
-
-metapost = metapost or { }
-
--- for the moment downward compatible
-
-local report_metapost = logs.reporter ("metapost")
-local status_metapost = logs.messenger("metapost")
-
-local patterns = { "meta-imp-%s.mkiv", "meta-imp-%s.tex", "meta-%s.mkiv", "meta-%s.tex" } -- we are compatible
-
-local function action(name,foundname)
- status_metapost("library %a is loaded",name)
- context.startreadingfile()
- context.input(foundname)
- context.stopreadingfile()
-end
-
-local function failure(name)
- report_metapost("library %a is unknown or invalid",name)
-end
-
-function commands.useMPlibrary(name)
- commands.uselibrary {
- name = name,
- patterns = patterns,
- action = action,
- failure = failure,
- onlyonce = true,
- }
-end
-
--- experimental
-
-local colorhash = attributes.list[attributes.private('color')]
-
-local textype = tex.type
-local MPcolor = context.MPcolor
-
--- local validdimen = lpegpatterns.validdimen * P(-1)
---
--- function commands.prepareMPvariable(v) -- slow but ok
--- if v == "" then
--- MPcolor("black")
--- else
--- local typ, var = match(v,"(.):(.*)")
--- if not typ then
--- -- parse
--- if colorhash[v] then
--- MPcolor(v)
--- elseif tonumber(v) then
--- context(v)
--- elseif lpegmatch(validdimen,v) then
--- return context("\\the\\dimexpr %s",v)
--- else
--- for s in gmatch(v,"\\([a-zA-Z]+)") do -- can have trailing space
--- local t = textype(s)
--- if t == "dimen" then
--- return context("\\the\\dimexpr %s",v)
--- elseif t == "count" then
--- return context("\\the\\numexpr %s",v)
--- end
--- end
--- context("\\number %s",v) -- 0.4 ...
--- end
--- elseif typ == "d" then -- to be documented
--- -- dimension
--- context("\\the\\dimexpr %s",var)
--- elseif typ == "n" then -- to be documented
--- -- number
--- context("\\the\\numexpr %s",var)
--- elseif typ == "s" then -- to be documented
--- -- string
--- context(var)
--- elseif typ == "c" then -- to be documented
--- -- color
--- MPcolor(var)
--- else
--- context(var)
--- end
--- end
--- end
-
--- we can actually get the dimen/count values here
-
-local dimenorname =
- lpegpatterns.validdimen / function(s)
- context("\\the\\dimexpr %s",s)
- end
- + (C(lpegpatterns.float) + Cc(1)) * lpegpatterns.space^0 * P("\\") * C(lpegpatterns.letter^1) / function(f,s)
- local t = textype(s)
- if t == "dimen" then
- context("\\the\\dimexpr %s\\%s",f,s)
- elseif t == "count" then
- context("\\the\\numexpr \\%s * %s\\relax",s,f) -- <n>\scratchcounter is not permitted
- end
- end
-
-local splitter = lpeg.splitat(":",true)
-
-function commands.prepareMPvariable(v) -- slow but ok
- if v == "" then
- MPcolor("black")
- else
- local typ, var = lpegmatch(splitter,v)
- if not var then
- -- parse
- if colorhash[v] then
- MPcolor(v)
- elseif tonumber(v) then
- context(v)
- elseif not lpegmatch(dimenorname,v) then
- context("\\number %s",v) -- 0.4 ...
- end
- elseif typ == "d" then -- to be documented
- -- dimension
- context("\\the\\dimexpr %s",var)
- elseif typ == "n" then -- to be documented
- -- number
- context("\\the\\numexpr %s",var)
- elseif typ == "s" then -- to be documented
- -- string
- context(var)
- elseif typ == "c" then -- to be documented
- -- color
- MPcolor(var)
- else
- context(var)
- end
- end
-end
-
--- function metapost.formatnumber(f,n) -- just lua format
--- f = gsub(f,"@(%d)","%%.%1")
--- f = gsub(f,"@","%%")
--- f = format(f,tonumber(n) or 0)
--- f = gsub(f,"e([%+%-%d]+)",function(s)
--- return format("\\times10^{%s}",tonumber(s) or s) -- strips leading zeros
--- end)
--- context.mathematics(f)
--- end
-
--- formatters["\\times10^{%N}"](s) -- strips leading zeros too
-
-local one = Cs((P("@")/"%%." * (R("09")^1) + P("@")/"%%" + 1)^0)
-local two = Cs((P("e")/"" * ((S("+-")^0 * R("09")^1) / function(s) return format("\\times10^{%s}",tonumber(s) or s) end) + 1)^1)
-
--- local two = Cs((P("e")/"" * ((S("+-")^0 * R("09")^1) / formatters["\\times10^{%N}"]) + 1)^1)
-
-function metapost.formatnumber(fmt,n) -- just lua format
- context.mathematics(lpegmatch(two,format(lpegmatch(one,fmt),n)))
-end
+if not modules then modules = { } end modules ['meta-ini'] = { + version = 1.001, + comment = "companion to meta-ini.mkiv", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +local tonumber = tonumber +local format = string.format +local lpegmatch, lpegpatterns = lpeg.match, lpeg.patterns +local P, Cs, R, S, C, Cc = lpeg.P, lpeg.Cs, lpeg.R, lpeg.S, lpeg.C, lpeg.Cc + +local context = context + +metapost = metapost or { } + +-- for the moment downward compatible + +local report_metapost = logs.reporter ("metapost") +local status_metapost = logs.messenger("metapost") + +local patterns = { "meta-imp-%s.mkiv", "meta-imp-%s.tex", "meta-%s.mkiv", "meta-%s.tex" } -- we are compatible + +local function action(name,foundname) + status_metapost("library %a is loaded",name) + context.startreadingfile() + context.input(foundname) + context.stopreadingfile() +end + +local function failure(name) + report_metapost("library %a is unknown or invalid",name) +end + +function commands.useMPlibrary(name) + commands.uselibrary { + name = name, + patterns = patterns, + action = action, + failure = failure, + onlyonce = true, + } +end + +-- experimental + +local colorhash = attributes.list[attributes.private('color')] + +local textype = tex.type +local MPcolor = context.MPcolor + +-- local validdimen = lpegpatterns.validdimen * P(-1) +-- +-- function commands.prepareMPvariable(v) -- slow but ok +-- if v == "" then +-- MPcolor("black") +-- else +-- local typ, var = match(v,"(.):(.*)") +-- if not typ then +-- -- parse +-- if colorhash[v] then +-- MPcolor(v) +-- elseif tonumber(v) then +-- context(v) +-- elseif lpegmatch(validdimen,v) then +-- return context("\\the\\dimexpr %s",v) +-- else +-- for s in gmatch(v,"\\([a-zA-Z]+)") do -- can have trailing space +-- local t = textype(s) +-- if t == "dimen" then +-- return context("\\the\\dimexpr %s",v) +-- elseif t == "count" then +-- return context("\\the\\numexpr %s",v) +-- end +-- end +-- context("\\number %s",v) -- 0.4 ... +-- end +-- elseif typ == "d" then -- to be documented +-- -- dimension +-- context("\\the\\dimexpr %s",var) +-- elseif typ == "n" then -- to be documented +-- -- number +-- context("\\the\\numexpr %s",var) +-- elseif typ == "s" then -- to be documented +-- -- string +-- context(var) +-- elseif typ == "c" then -- to be documented +-- -- color +-- MPcolor(var) +-- else +-- context(var) +-- end +-- end +-- end + +-- we can actually get the dimen/count values here + +local dimenorname = + lpegpatterns.validdimen / function(s) + context("\\the\\dimexpr %s",s) + end + + (C(lpegpatterns.float) + Cc(1)) * lpegpatterns.space^0 * P("\\") * C(lpegpatterns.letter^1) / function(f,s) + local t = textype(s) + if t == "dimen" then + context("\\the\\dimexpr %s\\%s",f,s) + elseif t == "count" then + context("\\the\\numexpr \\%s * %s\\relax",s,f) -- <n>\scratchcounter is not permitted + end + end + +local splitter = lpeg.splitat(":",true) + +function commands.prepareMPvariable(v) -- slow but ok + if v == "" then + MPcolor("black") + else + local typ, var = lpegmatch(splitter,v) + if not var then + -- parse + if colorhash[v] then + MPcolor(v) + elseif tonumber(v) then + context(v) + elseif not lpegmatch(dimenorname,v) then + context("\\number %s",v) -- 0.4 ... + end + elseif typ == "d" then -- to be documented + -- dimension + context("\\the\\dimexpr %s",var) + elseif typ == "n" then -- to be documented + -- number + context("\\the\\numexpr %s",var) + elseif typ == "s" then -- to be documented + -- string + context(var) + elseif typ == "c" then -- to be documented + -- color + MPcolor(var) + else + context(var) + end + end +end + +-- function metapost.formatnumber(f,n) -- just lua format +-- f = gsub(f,"@(%d)","%%.%1") +-- f = gsub(f,"@","%%") +-- f = format(f,tonumber(n) or 0) +-- f = gsub(f,"e([%+%-%d]+)",function(s) +-- return format("\\times10^{%s}",tonumber(s) or s) -- strips leading zeros +-- end) +-- context.mathematics(f) +-- end + +-- formatters["\\times10^{%N}"](s) -- strips leading zeros too + +local one = Cs((P("@")/"%%." * (R("09")^1) + P("@")/"%%" + 1)^0) +local two = Cs((P("e")/"" * ((S("+-")^0 * R("09")^1) / function(s) return format("\\times10^{%s}",tonumber(s) or s) end) + 1)^1) + +-- local two = Cs((P("e")/"" * ((S("+-")^0 * R("09")^1) / formatters["\\times10^{%N}"]) + 1)^1) + +function metapost.formatnumber(fmt,n) -- just lua format + context.mathematics(lpegmatch(two,format(lpegmatch(one,fmt),n))) +end |