diff options
Diffstat (limited to 'tex/context/base/mkiv/mlib-lua.lmt')
| -rw-r--r-- | tex/context/base/mkiv/mlib-lua.lmt | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/tex/context/base/mkiv/mlib-lua.lmt b/tex/context/base/mkiv/mlib-lua.lmt new file mode 100644 index 000000000..ed65b9401 --- /dev/null +++ b/tex/context/base/mkiv/mlib-lua.lmt @@ -0,0 +1,120 @@ +if not modules then modules = { } end modules ['mlib-lua'] = { + version = 1.001, + comment = "companion to mlib-ctx.mkiv", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files", +} + +local type = type +local insert, remove = table.insert, table.remove + +local scan = mp.scan +local inject = mp.inject + +local currentmpx = nil +local stack = { } + +local scan_next = mplib.scan_next +local scan_expression = mplib.scan_expression +local scan_token = mplib.scan_token +local scan_symbol = mplib.scan_symbol +local scan_numeric = mplib.scan_numeric +local scan_integer = mplib.scan_integer +local scan_boolean = mplib.scan_boolean +local scan_string = mplib.scan_string +local scan_pair = mplib.scan_pair +local scan_color = mplib.scan_color +local scan_cmykcolor = mplib.scan_cmykcolor +local scan_transform = mplib.scan_transform +local scan_path = mplib.scan_path +local scan_pen = mplib.scan_pen + +scan.next = function(k) return scan_next (currentmpx,k) end +scan.expression = function(k) return scan_expression(currentmpx,k) end +scan.token = function(k) return scan_token (currentmpx,k) end +scan.symbol = function(k,e) return scan_symbol (currentmpx,k,e) end +scan.numeric = function() return scan_numeric (currentmpx) end +scan.integer = function() return scan_integer (currentmpx) end +scan.boolean = function() return scan_boolean (currentmpx) end +scan.string = function() return scan_string (currentmpx) end +scan.pair = function(t) return scan_pair (currentmpx,t) end +scan.color = function(t) return scan_color (currentmpx,t) end +scan.cmykcolor = function(t) return scan_cmykcolor (currentmpx,t) end +scan.transform = function(t) return scan_transform (currentmpx,t) end +scan.path = function(t) return scan_path (currentmpx,t) end +scan.pen = function(t) return scan_pen (currentmpx,t) end + +local inject_path = mplib.inject_path +local inject_numeric = mplib.inject_numeric +local inject_pair = mplib.inject_pair +local inject_boolean = mplib.inject_boolean +local inject_integer = mplib.inject_integer +local inject_string = mplib.inject_string +local inject_color = mplib.inject_color +local inject_cmykcolor = mplib.inject_cmykcolor +local inject_transform = mplib.inject_transform +local inject_whatever = mplib.inject_whatever + +inject.path = function(t,cycle,curled) return inject_path (currentmpx,t,cycle,curled) end +inject.numeric = function(n) return inject_numeric (currentmpx,n) end +inject.pair = function(x,y) return inject_pair (currentmpx,x,y) end +inject.boolean = function(b) return inject_boolean (currentmpx,b) end +inject.integer = function(i) return inject_integer (currentmpx,i) end +inject.string = function(s) return inject_string (currentmpx,s) end +inject.color = function(r,g,b) return inject_color (currentmpx,r,g,b) end +inject.cmykcolor = function(c,m,y,k) return inject_cmykcolor(currentmpx,c,m,y,k) end +inject.transform = function(x,y,xx,xy,yx,yy) return inject_transform(currentmpx,x,y,xx,xy,yx,yy) end +inject.whatever = function(...) return inject_whatever (currentmpx,...) end + +-- bonus: + +scan .number = scan .numeric +inject.number = inject.numeric + +table.setmetatablecall(inject,function(t,...) + inject_whatever(currentmpx,...) +end) + +-- experiment + +function mp.autoinject(m) + local t = type(m) + if t == "table" then + local n = #t + if n == 2 then + inject_pair(currentmpx,m) + elseif n == 3 then + inject_color(currentmpx,m) + elseif n == 4 then + inject_cmykcolor(currentmpx,m) + elseif n == 6 then + inject_transform(currentmpx,m) + end + elseif t == "number" then + inject_numeric(currentmpx,m) + elseif t == "string" then + inject_string(currentmpx,m) + elseif t == "boolean" then + inject_boolean(currentmpx,m) + end +end + +function metapost.pushscriptrunner(mpx) + insert(stack,mpx) + currentmpx = mpx +end + +function metapost.popscriptrunner() + currentmpx = remove(stack,mpx) +end + +function metapost.currentmpx() + return currentmpx +end + +local status = mplib.status + +function metapost.currentmpxstatus() + return status and status(currentmpx) or 0 +end |