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Diffstat (limited to 'tex/context/base/mkiv/blob-ini.lmt')
| -rw-r--r-- | tex/context/base/mkiv/blob-ini.lmt | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/tex/context/base/mkiv/blob-ini.lmt b/tex/context/base/mkiv/blob-ini.lmt deleted file mode 100644 index 42a18fddd..000000000 --- a/tex/context/base/mkiv/blob-ini.lmt +++ /dev/null @@ -1,210 +0,0 @@ -if not modules then modules = { } end modules ['blob-ini'] = { - version = 1.001, - comment = "companion to blob-ini.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- This module is just a playground. Occasionally we need to typeset at the lua and and --- this is one method. In principle we can construct pages this way too which sometimes --- makes sense in dumb cases. Actually, if one only needs this, one does not really need --- tex, okay maybe the parbuilder but that one can be simplified as well then. - --- set fonts, attributes --- rest already done in packers etc --- add local par whatsit (or wait till cleaned up) --- collapse or new pars --- interline spacing etc - --- blob.char --- blob.line --- blob.paragraph --- blob.page - -local type, tostring = type, tostring -local lpegmatch, lpegpatterns = lpeg.match, lpeg.patterns - -local report_blobs = logs.reporter("blobs") - -local flush_node_list = node.flush_list -local hpack_node_list = node.hpack ------ vpack_node_list = node.vpack -local write_node = node.write - -local typesetters = nodes.typesetters -local tonodes = typesetters.tonodes -local tohpack = typesetters.tohpack -local tovpack = typesetters.tovpack - -local implement = interfaces.implement - --- provide copies here (nicer for manuals) - -blobs = blobs or { } -local blobs = blobs - -blobs.tonodes = tonodes -blobs.tohpack = tohpack -blobs.tovpack = tovpack - --- end of helpers - -local newline = lpeg.patterns.newline -local space = lpeg.patterns.spacer -local newpar = (space^0*newline*space^0)^2 - -local ctxtextcapture = lpeg.Ct ( ( space^0 * ( newpar + lpeg.Cs(((space^1/" " + 1)-newpar)^1) ) )^0) - -function blobs.new() - return { - list = { }, - } -end - -function blobs.dispose(t) - local list = t.list - for i=1,#list do - local li = list[i] - local pack = li.pack - if pack then - flush_node_list(pack) - li.pack = nil - end - end -end - -function blobs.append(t,str) -- compare concat and link - local typ = type(str) - local dummy = nil - if typ == "number" then - str = tostring(str) - typ = "string" - end - if typ == "string" then - local pars = lpegmatch(ctxtextcapture,str) - local list = t.list - for p=1,#pars do - local head, tail = tonodes(pars[p],nil,nil) - list[#list+1] = { head = head, tail = tail } - end - end -end - -function blobs.pack(t,how) - local list = t.list - for i=1,#list do - local pack = list[i].pack - if pack then - flush_node_list(node.pack) - end - if how == "vertical" then - -- we need to prepend a local par node - -- list[i].pack = vpack_node_list(list[i].head,"exactly") - report_blobs("vpack not yet supported") - else - list[i].pack = hpack_node_list(list[i].head,"exactly") - end - end -end - -function blobs.write(t) - local list = t.list - for i=1,#list do - local li = list[i] - local pack = li.pack - if pack then - write_node(pack) - flush_node_list(pack) - li.pack = nil - end - end -end - -function blobs.dimensions(t) - local list = t.list - local first = list and list[1] - if first then - local pack = first.pack - return pack.width, pack.height, pack.depth - else - return 0, 0, 0 - end -end - --- blob.char --- blob.line: head, tail --- blob.paragraph --- blob.page - --- local lineblob = { --- type = "line", --- head = false, --- tail = false, --- pack = false, --- properties = { }, --- end - --- local parblob = { --- type = "line", --- head = false, --- tail = false, --- pack = false, --- properties = { }, --- end - --- for the moment here: - -local function strwd(str) - local l = tohpack(str) - local w = l.width - flush_node_list(l) - return w -end - -local function strht(str) - local l = tohpack(str) - local h = l.height - flush_node_list(l) - return h -end - -local function strdp(str) - local l = tohpack(str) - local d = l.depth - flush_node_list(l) - return d -end - -local function strhd(str) - local l = tohpack(str) - local s = l.height + l.depth - flush_node_list(l) - return s -end - -blobs.strwd = strwd -blobs.strht = strht -blobs.strdp = strdp -blobs.strhd = strhd - --- upgraded - -local dimension_code = tokens.values.dimension -local scan_hbox = tokens.scanners.hbox - -local function action(field,what) - local l = scan_hbox() - local d = l[field] - flush_node_list(l) - if what == "value" then - return dimension_code, d - else - context("%p",d) - end -end - -implement { name = "widthofstring", public = true, usage = "value", actions = function(w) return action("width", w) end } -implement { name = "heightofstring", public = true, usage = "value", actions = function(w) return action("height",w) end } -implement { name = "depthofstring", public = true, usage = "value", actions = function(w) return action("depth", w) end } -implement { name = "totalofstring", public = true, usage = "value", actions = function(w) return action("total", w) end } |