From 5fc5cfb5014ddcc2942e13a559f4082fb66aa6e7 Mon Sep 17 00:00:00 2001 From: Marius Date: Mon, 20 May 2013 03:20:28 +0300 Subject: beta 2013.05.20 02:00 --- tex/context/base/m-chart.lua | 1832 +++++++++++++++++++++--------------------- 1 file changed, 916 insertions(+), 916 deletions(-) (limited to 'tex/context/base/m-chart.lua') diff --git a/tex/context/base/m-chart.lua b/tex/context/base/m-chart.lua index 34f77c074..c4da2eb63 100644 --- a/tex/context/base/m-chart.lua +++ b/tex/context/base/m-chart.lua @@ -1,916 +1,916 @@ -if not modules then modules = { } end modules ['x-flow'] = { - version = 1.001, - comment = "companion to m-flow.mkvi", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - --- when we can resolve mpcolor at the lua end we will --- use metapost.graphic(....) directly - --- todo: labels - -moduledata.charts = moduledata.charts or { } - -local gsub, match, find, format, lower = string.gsub, string.match, string.find, string.format, string.lower -local setmetatableindex = table.setmetatableindex -local P, S, C, Cc, lpegmatch = lpeg.P, lpeg.S, lpeg.C, lpeg.Cc, lpeg.match - -local report_chart = logs.reporter("chart") - -local points = number.points - -local variables = interfaces.variables - -local v_yes = variables.yes -local v_no = variables.no -local v_none = variables.none -local v_standard = variables.standard -local v_overlay = variables.overlay -local v_round = variables.round -local v_test = variables.test - -local defaults = { - chart = { - name = "", - option = "", - backgroundcolor = "", - width = 100*65536, - height = 50*65536, - dx = 30*65536, - dy = 30*65536, - offset = 0, - bodyfont = "", - dot = "", - hcompact = variables_no, - vcompact = variables_no, - autofocus = "", - focus = "", - labeloffset = 5*65536, - commentoffset = 5*65536, - exitoffset = 0, - - }, - shape = { -- FLOS - rulethickness = 65536, - default = "", - framecolor = "darkblue", - backgroundcolor = "lightgray", - }, - focus = { -- FLOF - rulethickness = 65536, - framecolor = "darkred", - backgroundcolor = "gray", - }, - line = { -- FLOL - rulethickness = 65536, - radius = 10*65536, - color = "darkgreen", - corner = "", - dash = "", - arrow = "", - offset = "", - }, - set = { -- FLOX - }, - split = { - nx = 3, - ny = 3, - command = "", - marking = "", - before = "", - after = "", - } -} - -local validshapes = { - ["node"] = { kind = "shape", number = 0 }, - ["action"] = { kind = "shape", number = 24 }, - ["procedure"] = { kind = "shape", number = 5 }, - ["product"] = { kind = "shape", number = 12 }, - ["decision"] = { kind = "shape", number = 14 }, - ["archive"] = { kind = "shape", number = 19 }, - ["loop"] = { kind = "shape", number = 35 }, - ["wait"] = { kind = "shape", number = 6 }, - ["subprocedure"] = { kind = "shape", number = 20 }, - ["singledocument"] = { kind = "shape", number = 32 }, - ["multidocument"] = { kind = "shape", number = 33 }, - - ["right"] = { kind = "line", number = 66 }, - ["left"] = { kind = "line", number = 67 }, - ["up"] = { kind = "line", number = 68 }, - ["down"] = { kind = "line", number = 69 }, -} - -local validlabellocations = { - l = "l", left = "l", - r = "r", right = "r", - t = "t", top = "t", - b = "b", bottom = "b", - lt = "lt", - rt = "rt", - lb = "lb", - rb = "rb", - tl = "tl", - tr = "tr", - bl = "bl", - br = "br", -} - -local validcommentlocations = { - l = "l", left = "l", - r = "r", right = "r", - t = "t", top = "t", - b = "b", bottom = "b", - lt = "lt", - rt = "rt", - lb = "lb", - rb = "rb", - tl = "tl", - tr = "tr", - bl = "bl", - br = "br", -} - -local validtextlocations = { - l = "l", left = "l", - r = "r", right = "r", - t = "t", top = "t", - b = "b", bottom = "b", - c = "c", center = "c", - m = "c", middle = "m", - lt = "lt", - rt = "rt", - lb = "lb", - rb = "rb", - tl = "lt", - tr = "rt", - bl = "lb", - br = "rb", -} - -setmetatableindex(validshapes,function(t,k) - local l = gsub(lower(k)," ","") - local v = rawget(t,l) - if not v then - local n = tonumber(k) - if n then - v = { kind = "shape", number = n } - else - v = rawget(t,"action") - end - end - t[k] = v - return v -end) - -local charts = { } - -local data, hash, temp, last_x, last_y, name - -function commands.flow_start_chart(chartname) - data = { } - hash = { } - last_x, last_y = 0, 0 - name = chartname -end - -function commands.flow_stop_chart() - charts[name] = { - data = data, - hash = hash, - last_x = last_x, - last_y = last_y, - } - data, hash, temp = nil, nil, nil -end - --- function commands.flow_set(chartname,chartdata) --- local hash = { } --- local data = { } --- charts[name] = { --- data = data, --- hash = hash, --- } --- for i=1,#chartdata do --- local di = data[i] --- local name = di.name or "" --- if name then --- data[#data+1] = { --- name = name, --- labels = di.labels or { }, --- comments = di.comments or { }, --- exits = di.exits or { }, --- connections = di.connections or { }, --- settings = di.settings or { }, --- x = di.x or 1, --- y = di.y or 1, --- } --- hash[name] = i --- end --- end --- end - -function commands.flow_reset(chartname) - charts[name] = nil -end - -function commands.flow_set_current_cell(n) - temp = data[tonumber(n)] or { } -end - -function commands.flow_start_cell(settings) - temp = { - texts = { }, - labels = { }, - exits = { }, - connections = { }, - settings = settings, - x = 1, - y = 1, - name = "", - } -end - -function commands.flow_stop_cell() - data[#data+1] = temp - hash[temp.name or #data] = temp -end - -function commands.flow_set_name(str) - temp.name = str -end - -function commands.flow_set_shape(str) - temp.shape = str -end - -function commands.flow_set_destination(str) - temp.destination = str -end - -function commands.flow_set_text(align,str) - temp.texts[#temp.texts+1] = { - location = align, - text = str, - } -end - -function commands.flow_set_overlay(str) - temp.overlay = str -end - -function commands.flow_set_focus(str) - temp.focus = str -end - -function commands.flow_set_figure(str) - temp.figure = str -end - -function commands.flow_set_label(location,text) - temp.labels[#temp.labels+1] = { - location = location, - text = text, - } -end - -function commands.flow_set_comment(location,text) - local connections = temp.connections - if connections then - local connection = connections[#connections] - if connection then - local comments = connection.comments - if comments then - comments[#comments+1] = { - location = location, - text = text, - } - end - end - end -end - -function commands.flow_set_exit(location,text) - temp.exits[#temp.exits+1] = { - location = location, - text = text, - } -end - -function commands.flow_set_include(name,x,y,settings) - data[#data+1] = { - include = name, - x = x, - y = y, - -- settings = settings, - } -end - -local function inject(includedata,data,hash) - local subchart = charts[includedata.include] - if not subchart then - return - end - local subdata = subchart.data - if not subdata then - return - end - local xoffset = (includedata.x or 1) - 1 - local yoffset = (includedata.y or 1) - 1 - local settings = includedata.settings - for i=1,#subdata do - local si = subdata[i] - if si.include then - inject(si,data,hash) - else - local t = { - x = si.x + xoffset, - y = si.y + yoffset, - settings = settings, - } - setmetatableindex(t,si) - data[#data+1] = t - hash[si.name or #data] = t - end - end -end - -local function pack(data,field) - local list, max = { }, 0 - for e=1,#data do - local d = data[e] - local f = d[field] - list[f] = true - if f > max then - max = f - end - end - for i=1,max do - if not list[i] then - for e=1,#data do - local d = data[e] - local f = d[field] - if f > i then - d[field] = f - 1 - end - end - end - end -end - -local function expanded(chart,chartsettings) - local expandeddata = { } - local expandedhash = { } - local expandedchart = { - data = expandeddata, - hash = expandedhash, - } - setmetatableindex(expandedchart,chart) - local data = chart.data - local hash = chart.hash - for i=1,#data do - local di = data[i] - if di.include then - inject(di,expandeddata,expandedhash) - else - expandeddata[#expandeddata+1] = di - expandedhash[di.name or #expandeddata] = di - end - end - -- - expandedchart.settings = chartsettings or { } - -- make locals - chartsettings.shape = chartsettings.shape or { } - chartsettings.focus = chartsettings.focus or { } - chartsettings.line = chartsettings.line or { } - chartsettings.set = chartsettings.set or { } - chartsettings.split = chartsettings.split or { } - chartsettings.chart = chartsettings.chart or { } - setmetatableindex(chartsettings.shape,defaults.shape) - setmetatableindex(chartsettings.focus,defaults.focus) - setmetatableindex(chartsettings.line ,defaults.line ) - setmetatableindex(chartsettings.set ,defaults.set ) - setmetatableindex(chartsettings.split,defaults.split) - setmetatableindex(chartsettings.chart,defaults.chart) - -- - if chartsettings.chart.vcompact == v_yes then - pack(expandeddata,"y") - end - if chartsettings.chart.hcompact == v_yes then - pack(expandeddata,"x") - end - -- - for i=1,#expandeddata do - local cell = expandeddata[i] - local settings = cell.settings - if not settings then - cell.settings = chartsettings - else - settings.shape = settings.shape or { } - settings.focus = settings.focus or { } - settings.line = settings.line or { } - setmetatableindex(settings.shape,chartsettings.shape) - setmetatableindex(settings.focus,chartsettings.focus) - setmetatableindex(settings.line ,chartsettings.line) - end - end - return expandedchart -end - -local splitter = lpeg.splitat(",") - -function commands.flow_set_location(x,y) - if type(x) == "string" and not y then - x, y = lpegmatch(splitter,x) - end - if not x or x == "" then - x = last_x - elseif type(x) == "number" then - -- ok - elseif x == "+" then - x = last_x + 1 - elseif x == "-" then - x = last_x - 1 - elseif find(x,"^[%+%-]") then - x = last_x + (tonumber(x) or 0) - else - x = tonumber(x) - end - if not y or y == "" then - y = last_y - elseif type(y) == "number" then - -- ok - elseif y == "+" then - y = last_y + 1 - elseif x == "-" then - y = last_y - 1 - elseif find(y,"^[%+%-]") then - y = last_y + (tonumber(y) or 0) - else - y = tonumber(y) - end - temp.x = x or 1 - temp.y = y or 1 - last_x = x or last_x - last_y = y or last_y -end - -function commands.flow_set_connection(location,displacement,name) - local dx, dy = lpegmatch(splitter,displacement) - dx = tonumber(dx) - dy = tonumber(dy) - temp.connections[#temp.connections+1] = { - location = location, - dx = dx or 0, - dy = dy or 0, - name = name, - comments = { }, - } -end - -local function visible(chart,cell) - local x, y = cell.x, cell.y - return - x >= chart.from_x and x <= chart.to_x and - y >= chart.from_y and y <= chart.to_y and cell -end - -local function process_cells(chart,xoffset,yoffset) - local data = chart.data - if not data then - return - end - local focus = utilities.parsers.settings_to_hash(chart.settings.chart.focus or "") - for i=1,#data do - local cell = visible(chart,data[i]) - if cell then - local settings = cell.settings - local shapesettings = settings.shape - local shape = cell.shape - if not shape or shape == "" then - shape = shapesettings.default or "none" - end - if shape ~= v_none then - local shapedata = validshapes[shape] - context("flow_begin_sub_chart ;") -- when is this needed - if shapedata.kind == "line" then - local linesettings = settings.line - context("flow_shape_line_color := \\MPcolor{%s} ;", linesettings.color) - context("flow_shape_fill_color := \\MPcolor{%s} ;", linesettings.backgroundcolor) - context("flow_shape_line_width := %s ; ", points(linesettingsrulethickness)) - elseif focus[cell.focus] or focus[cell.name] then - local focussettings = settings.focus - context("flow_shape_line_color := \\MPcolor{%s} ;", focussettings.framecolor) - context("flow_shape_fill_color := \\MPcolor{%s} ;", focussettings.backgroundcolor) - context("flow_shape_line_width := %s ; ", points(focussettings.rulethickness)) - else - local shapesettings = settings.shape - context("flow_shape_line_color := \\MPcolor{%s} ;", shapesettings.framecolor) - context("flow_shape_fill_color := \\MPcolor{%s} ;", shapesettings.backgroundcolor) - context("flow_shape_line_width := %s ; " , points(shapesettings.rulethickness)) - end - context("flow_peepshape := false ;") -- todo - context("flow_new_shape(%s,%s,%s) ;",cell.x+xoffset,cell.y+yoffset,shapedata.number) - context("flow_end_sub_chart ;") - end - end - end -end - --- todo : make lpeg for splitter - -local sign = S("+p") / "1" - + S("-m") / "-1" - -local full = C(P("left")) - + C(P("right")) - + C(P("top")) - + C(P("bottom")) - -local char = P("l") / "left" - + P("r") / "right" - + P("t") / "top" - + P("b") / "bottom" - -local space = P(" ")^0 - -local what = space - * (sign + Cc("0")) - * space - * (full + char) - * space - * (sign + Cc("0")) - * space - * (full + char) - * space - * P(-1) - --- print(lpegmatch(what,"lr")) --- print(lpegmatch(what,"+l+r")) --- print(lpegmatch(what,"+l")) --- print(lpegmatch(what,"+ left+r ")) - -local function process_connections(chart,xoffset,yoffset) - local data = chart.data - local hash = chart.hash - if not data then - return - end - local settings = chart.settings - for i=1,#data do - local cell = visible(chart,data[i]) - if cell then - local connections = cell.connections - for j=1,#connections do - local connection = connections[j] - local othername = connection.name - local othercell = hash[othername] - if othercell then -- and visible(chart,data[i]) then - local cellx, celly = cell.x, cell.y - local otherx, othery, location = othercell.x, othercell.y, connection.location - if otherx > 0 and othery > 0 and cellx > 0 and celly > 0 and connection.location then - local what_cell, where_cell, what_other, where_other = lpegmatch(what,location) - if what_cell and where_cell and what_other and where_other then - local linesettings = settings.line - context("flow_smooth := %s ;", linesettings.corner == v_round and "true" or "false") - context("flow_dashline := %s ;", linesettings.dash == v_yes and "true" or "false") - context("flow_arrowtip := %s ;", linesettings.arrow == v_yes and "true" or "false") - context("flow_touchshape := %s ;", linesettings.offset == v_none and "true" or "false") - context("flow_dsp_x := %s ; flow_dsp_y := %s ;",connection.dx or 0, connection.dy or 0) - context("flow_connection_line_color := \\MPcolor{%s} ;",linesettings.color) - context("flow_connection_line_width := 2pt ;",points(linesettings.rulethickness)) - context("flow_connect_%s_%s (%s) (%s,%s,%s) (%s,%s,%s) ;",where_cell,where_other,j,cellx,celly,what_cell,otherx,othery,what_other) - context("flow_dsp_x := 0 ; flow_dsp_y := 0 ;") - end - end - end - end - end - end -end - -local texttemplate = "\\setvariables[flowcell:text][x=%s,y=%s,text={%s},align={%s},figure={%s},destination={%s}]" - -local splitter = lpeg.splitat(":") - -local function process_texts(chart,xoffset,yoffset) - local data = chart.data - local hash = chart.hash - if not data then - return - end - for i=1,#data do - local cell = visible(chart,data[i]) - if cell then - local x = cell.x or 1 - local y = cell.y or 1 - local texts = cell.texts - for i=1,#texts do - local text = texts[i] - local data = text.text - local align = validlabellocations[text.align or ""] or text.align or "" - local figure = i == 1 and cell.figure or "" - local destination = i == 1 and cell.destination or "" - context('flow_chart_draw_text(%s,%s,textext("%s")) ;',x,y,format(texttemplate,x,y,data,align,figure,destination)) - end - local labels = cell.labels - for i=1,#labels do - local label = labels[i] - local text = label.text - local location = validlabellocations[label.location or ""] or label.location or "" - if text and location then - context('flow_chart_draw_label(%s,%s,"%s",textext("\\strut %s")) ;',x,y,location,text) - end - end - local exits = cell.exits - for i=1,#exits do - local exit = exits[i] - local text = exit.text - local location = validlabellocations[exit.location or ""] - if text and location then - -- maybe make autoexit an option - if location == "l" and x == chart.from_x + 1 or - location == "r" and x == chart.to_x - 1 or - location == "t" and y == chart.to_y - 1 or - location == "b" and y == chart.from_y + 1 then - context('flow_chart_draw_exit(%s,%s,"%s",textext("\\strut %s")) ;',x,y,location,text) - end - end - end - local connections = cell.connections - for i=1,#connections do - local comments = connections[i].comments - for j=1,#comments do - local comment = comments[j] - local text = comment.text - local location = comment.location or "" - local length = 0 - -- "tl" "tl:*" "tl:0.5" - local loc, len = lpegmatch(splitter,location) -- do the following in lpeg - if len == "*" then - location = validcommentlocations[loc] or "" - if location == "" then - location = "*" - else - location = location .. ":*" - end - elseif loc then - location = validcommentlocations[loc] or "*" - length = tonumber(len) or 0 - else - location = validcommentlocations[location] or "" - end - if text and location then - context('flow_chart_draw_comment(%s,%s,%s,"%s",%s,textext("\\strut %s")) ;',x,y,i,location,length,text) - end - end - end - end - end -end - -local function getchart(settings,forced_x,forced_y,forced_nx,forced_ny) - if not settings then - print("no settings given") - return - end - local chartname = settings.chart.name - if not chartname then - print("no name given") - return - end - local chart = charts[chartname] - if not chart then - print("no such chart",chartname) - return - end - chart = expanded(chart,settings) - local chartsettings = chart.settings.chart - local autofocus = chart.settings.chart.autofocus - if autofocus then - autofocus = utilities.parsers.settings_to_hash(autofocus) - if not next(autofocus) then - autofocus = false - end - end - -- check natural window - local x = forced_x or tonumber(chartsettings.x) - local y = forced_y or tonumber(chartsettings.y) - local nx = forced_nx or tonumber(chartsettings.nx) - local ny = forced_ny or tonumber(chartsettings.ny) - -- - local minx, miny, maxx, maxy = 0, 0, 0, 0 - local data = chart.data - for i=1,#data do - local cell = data[i] - if not autofocus or autofocus[cell.name] then -- offsets probably interfere with autofocus - local x = cell.x - local y = cell.y - if minx == 0 or x < minx then minx = x end - if miny == 0 or y < miny then miny = y end - if minx == 0 or x > maxx then maxx = x end - if miny == 0 or y > maxy then maxy = y end - end - end - -- print("1>",x,y,nx,ny) - -- print("2>",minx, miny, maxx, maxy) - -- check of window should be larger (maybe autofocus + nx/ny?) - if autofocus then - -- x and y are ignored - if nx and nx > 0 then - maxx = minx + nx - 1 - end - if ny and ny > 0 then - maxy = miny + ny - 1 - end - else - if x and x > 0 then - minx = x - end - if y and y > 0 then - miny = y - end - if nx and nx > 0 then - maxx = minx + nx - 1 - end - if ny and ny > 0 then - maxy = miny + ny - 1 - end - end --- print("3>",minx, miny, maxx, maxy) - -- - local nx = maxx - minx + 1 - local ny = maxy - miny + 1 - -- relocate cells - for i=1,#data do - local cell = data[i] - cell.x = cell.x - minx + 1 - cell.y = cell.y - miny + 1 - end - chart.from_x = 1 - chart.from_y = 1 - chart.to_x = nx - chart.to_y = ny - chart.nx = nx - chart.ny = ny - -- - -- inspect(chart) - return chart -end - -local function makechart(chart) - local settings = chart.settings - local chartsettings = settings.chart - -- - context.begingroup() - context.forgetall() - -- - context.startMPcode() - context("if unknown context_flow : input mp-char.mpiv ; fi ;") - context("flow_begin_chart(0,%s,%s);",chart.nx,chart.ny) - -- - if chartsettings.option == v_test or chartsettings.dot == v_yes then - context("flow_show_con_points := true ;") - context("flow_show_mid_points := true ;") - context("flow_show_all_points := true ;") - elseif chartsettings.dot ~= "" then -- no checking done, private option - context("flow_show_%s_points := true ;",chartsettings.dot) - end - -- - local backgroundcolor = chartsettings.backgroundcolor - if backgroundcolor and backgroundcolor ~= "" then - context("flow_chart_background_color := \\MPcolor{%s} ;",backgroundcolor) - end - -- - local shapewidth = chartsettings.width - local gridwidth = shapewidth + 2*chartsettings.dx - local shapeheight = chartsettings.height - local gridheight = shapeheight + 2*chartsettings.dy - local chartoffset = chartsettings.offset - local labeloffset = chartsettings.labeloffset - local exitoffset = chartsettings.exitoffset - local commentoffset = chartsettings.commentoffset - context("flow_grid_width := %s ;", points(gridwidth)) - context("flow_grid_height := %s ;", points(gridheight)) - context("flow_shape_width := %s ;", points(shapewidth)) - context("flow_shape_height := %s ;", points(shapeheight)) - context("flow_chart_offset := %s ;", points(chartoffset)) - context("flow_label_offset := %s ;", points(labeloffset)) - context("flow_exit_offset := %s ;", points(exitoffset)) - context("flow_comment_offset := %s ;", points(commentoffset)) - -- - local radius = settings.line.radius - local rulethickness = settings.line.rulethickness - local dx = chartsettings.dx - local dy = chartsettings.dy - if radius < rulethickness then - radius = 2.5*rulethickness - if radius > dx then - radius = dx - end - if radius > dy then - radius = dy - end - end - context("flow_connection_line_width := %s ;", points(rulethickness)) - context("flow_connection_smooth_size := %s ;", points(radius)) - context("flow_connection_arrow_size := %s ;", points(radius)) - context("flow_connection_dash_size := %s ;", points(radius)) - -- - local offset = chartsettings.offset -- todo: pass string - if offset == v_none or offset == v_overlay or offset == "" then - offset = -2.5 * radius -- or rulethickness? - elseif offset == v_standard then - offset = radius -- or rulethickness? - end - context("flow_chart_offset := %s ;",points(offset)) - -- - context("flow_reverse_y := true ;") - process_cells(chart,0,0) - process_connections(chart,0,0) - process_texts(chart,0,0) - -- context("clip_chart(%s,%s,%s,%s) ;",x,y,nx,ny) -- todo: draw lines but not shapes - context("flow_end_chart ;") - context.stopMPcode() - context.endgroup() -end - -local function splitchart(chart) - local settings = chart.settings - local splitsettings = settings.split - local chartsettings = settings.chart - -- - local name = chartsettings.name - -- - local from_x = chart.from_x - local from_y = chart.from_y - local to_x = chart.to_x - local to_y = chart.to_y - -- - local step_x = splitsettings.nx or to_x - local step_y = splitsettings.ny or to_y - local delta_x = splitsettings.dx or 0 - local delta_y = splitsettings.dy or 0 - -- - report_chart("spliting %a from (%s,%s) upto (%s,%s) into (%s,%s) with overlap (%s,%s)", - name,from_x,from_y,to_x,to_y,step_x,step_y,delta_x,delta_y) - -- - local part_x = 0 - local first_x = from_x - while true do - part_x = part_x + 1 - local last_x = first_x + step_x - 1 - local done = last_x >= to_x - if done then - last_x = to_x - end - local part_y = 0 - local first_y = from_y - while true do - part_y = part_y + 1 - local last_y = first_y + step_y - 1 - local done = last_y >= to_y - if done then - last_y = to_y - end - -- - report_chart("part (%s,%s) of %a is split from (%s,%s) -> (%s,%s)",part_x,part_y,name,first_x,first_y,last_x,last_y) - local x, y, nx, ny = first_x, first_y, last_x - first_x + 1,last_y - first_y + 1 - context.beforeFLOWsplit() - context.handleFLOWsplit(function() - makechart(getchart(settings,x,y,nx,ny)) -- we need to pass frozen settings ! - end) - context.afterFLOWsplit() - -- - if done then - break - else - first_y = last_y + 1 - delta_y - end - end - if done then - break - else - first_x = last_x + 1 - delta_x - end - end -end - -function commands.flow_make_chart(settings) - local chart = getchart(settings) - if chart then - local settings = chart.settings - if settings then - local chartsettings = settings.chart - if chartsettings and chartsettings.split == v_yes then - splitchart(chart) - else - makechart(chart) - end - else - makechart(chart) - end - end -end +if not modules then modules = { } end modules ['x-flow'] = { + version = 1.001, + comment = "companion to m-flow.mkvi", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +-- when we can resolve mpcolor at the lua end we will +-- use metapost.graphic(....) directly + +-- todo: labels + +moduledata.charts = moduledata.charts or { } + +local gsub, match, find, format, lower = string.gsub, string.match, string.find, string.format, string.lower +local setmetatableindex = table.setmetatableindex +local P, S, C, Cc, lpegmatch = lpeg.P, lpeg.S, lpeg.C, lpeg.Cc, lpeg.match + +local report_chart = logs.reporter("chart") + +local points = number.points + +local variables = interfaces.variables + +local v_yes = variables.yes +local v_no = variables.no +local v_none = variables.none +local v_standard = variables.standard +local v_overlay = variables.overlay +local v_round = variables.round +local v_test = variables.test + +local defaults = { + chart = { + name = "", + option = "", + backgroundcolor = "", + width = 100*65536, + height = 50*65536, + dx = 30*65536, + dy = 30*65536, + offset = 0, + bodyfont = "", + dot = "", + hcompact = variables_no, + vcompact = variables_no, + autofocus = "", + focus = "", + labeloffset = 5*65536, + commentoffset = 5*65536, + exitoffset = 0, + + }, + shape = { -- FLOS + rulethickness = 65536, + default = "", + framecolor = "darkblue", + backgroundcolor = "lightgray", + }, + focus = { -- FLOF + rulethickness = 65536, + framecolor = "darkred", + backgroundcolor = "gray", + }, + line = { -- FLOL + rulethickness = 65536, + radius = 10*65536, + color = "darkgreen", + corner = "", + dash = "", + arrow = "", + offset = "", + }, + set = { -- FLOX + }, + split = { + nx = 3, + ny = 3, + command = "", + marking = "", + before = "", + after = "", + } +} + +local validshapes = { + ["node"] = { kind = "shape", number = 0 }, + ["action"] = { kind = "shape", number = 24 }, + ["procedure"] = { kind = "shape", number = 5 }, + ["product"] = { kind = "shape", number = 12 }, + ["decision"] = { kind = "shape", number = 14 }, + ["archive"] = { kind = "shape", number = 19 }, + ["loop"] = { kind = "shape", number = 35 }, + ["wait"] = { kind = "shape", number = 6 }, + ["subprocedure"] = { kind = "shape", number = 20 }, + ["singledocument"] = { kind = "shape", number = 32 }, + ["multidocument"] = { kind = "shape", number = 33 }, + + ["right"] = { kind = "line", number = 66 }, + ["left"] = { kind = "line", number = 67 }, + ["up"] = { kind = "line", number = 68 }, + ["down"] = { kind = "line", number = 69 }, +} + +local validlabellocations = { + l = "l", left = "l", + r = "r", right = "r", + t = "t", top = "t", + b = "b", bottom = "b", + lt = "lt", + rt = "rt", + lb = "lb", + rb = "rb", + tl = "tl", + tr = "tr", + bl = "bl", + br = "br", +} + +local validcommentlocations = { + l = "l", left = "l", + r = "r", right = "r", + t = "t", top = "t", + b = "b", bottom = "b", + lt = "lt", + rt = "rt", + lb = "lb", + rb = "rb", + tl = "tl", + tr = "tr", + bl = "bl", + br = "br", +} + +local validtextlocations = { + l = "l", left = "l", + r = "r", right = "r", + t = "t", top = "t", + b = "b", bottom = "b", + c = "c", center = "c", + m = "c", middle = "m", + lt = "lt", + rt = "rt", + lb = "lb", + rb = "rb", + tl = "lt", + tr = "rt", + bl = "lb", + br = "rb", +} + +setmetatableindex(validshapes,function(t,k) + local l = gsub(lower(k)," ","") + local v = rawget(t,l) + if not v then + local n = tonumber(k) + if n then + v = { kind = "shape", number = n } + else + v = rawget(t,"action") + end + end + t[k] = v + return v +end) + +local charts = { } + +local data, hash, temp, last_x, last_y, name + +function commands.flow_start_chart(chartname) + data = { } + hash = { } + last_x, last_y = 0, 0 + name = chartname +end + +function commands.flow_stop_chart() + charts[name] = { + data = data, + hash = hash, + last_x = last_x, + last_y = last_y, + } + data, hash, temp = nil, nil, nil +end + +-- function commands.flow_set(chartname,chartdata) +-- local hash = { } +-- local data = { } +-- charts[name] = { +-- data = data, +-- hash = hash, +-- } +-- for i=1,#chartdata do +-- local di = data[i] +-- local name = di.name or "" +-- if name then +-- data[#data+1] = { +-- name = name, +-- labels = di.labels or { }, +-- comments = di.comments or { }, +-- exits = di.exits or { }, +-- connections = di.connections or { }, +-- settings = di.settings or { }, +-- x = di.x or 1, +-- y = di.y or 1, +-- } +-- hash[name] = i +-- end +-- end +-- end + +function commands.flow_reset(chartname) + charts[name] = nil +end + +function commands.flow_set_current_cell(n) + temp = data[tonumber(n)] or { } +end + +function commands.flow_start_cell(settings) + temp = { + texts = { }, + labels = { }, + exits = { }, + connections = { }, + settings = settings, + x = 1, + y = 1, + name = "", + } +end + +function commands.flow_stop_cell() + data[#data+1] = temp + hash[temp.name or #data] = temp +end + +function commands.flow_set_name(str) + temp.name = str +end + +function commands.flow_set_shape(str) + temp.shape = str +end + +function commands.flow_set_destination(str) + temp.destination = str +end + +function commands.flow_set_text(align,str) + temp.texts[#temp.texts+1] = { + location = align, + text = str, + } +end + +function commands.flow_set_overlay(str) + temp.overlay = str +end + +function commands.flow_set_focus(str) + temp.focus = str +end + +function commands.flow_set_figure(str) + temp.figure = str +end + +function commands.flow_set_label(location,text) + temp.labels[#temp.labels+1] = { + location = location, + text = text, + } +end + +function commands.flow_set_comment(location,text) + local connections = temp.connections + if connections then + local connection = connections[#connections] + if connection then + local comments = connection.comments + if comments then + comments[#comments+1] = { + location = location, + text = text, + } + end + end + end +end + +function commands.flow_set_exit(location,text) + temp.exits[#temp.exits+1] = { + location = location, + text = text, + } +end + +function commands.flow_set_include(name,x,y,settings) + data[#data+1] = { + include = name, + x = x, + y = y, + -- settings = settings, + } +end + +local function inject(includedata,data,hash) + local subchart = charts[includedata.include] + if not subchart then + return + end + local subdata = subchart.data + if not subdata then + return + end + local xoffset = (includedata.x or 1) - 1 + local yoffset = (includedata.y or 1) - 1 + local settings = includedata.settings + for i=1,#subdata do + local si = subdata[i] + if si.include then + inject(si,data,hash) + else + local t = { + x = si.x + xoffset, + y = si.y + yoffset, + settings = settings, + } + setmetatableindex(t,si) + data[#data+1] = t + hash[si.name or #data] = t + end + end +end + +local function pack(data,field) + local list, max = { }, 0 + for e=1,#data do + local d = data[e] + local f = d[field] + list[f] = true + if f > max then + max = f + end + end + for i=1,max do + if not list[i] then + for e=1,#data do + local d = data[e] + local f = d[field] + if f > i then + d[field] = f - 1 + end + end + end + end +end + +local function expanded(chart,chartsettings) + local expandeddata = { } + local expandedhash = { } + local expandedchart = { + data = expandeddata, + hash = expandedhash, + } + setmetatableindex(expandedchart,chart) + local data = chart.data + local hash = chart.hash + for i=1,#data do + local di = data[i] + if di.include then + inject(di,expandeddata,expandedhash) + else + expandeddata[#expandeddata+1] = di + expandedhash[di.name or #expandeddata] = di + end + end + -- + expandedchart.settings = chartsettings or { } + -- make locals + chartsettings.shape = chartsettings.shape or { } + chartsettings.focus = chartsettings.focus or { } + chartsettings.line = chartsettings.line or { } + chartsettings.set = chartsettings.set or { } + chartsettings.split = chartsettings.split or { } + chartsettings.chart = chartsettings.chart or { } + setmetatableindex(chartsettings.shape,defaults.shape) + setmetatableindex(chartsettings.focus,defaults.focus) + setmetatableindex(chartsettings.line ,defaults.line ) + setmetatableindex(chartsettings.set ,defaults.set ) + setmetatableindex(chartsettings.split,defaults.split) + setmetatableindex(chartsettings.chart,defaults.chart) + -- + if chartsettings.chart.vcompact == v_yes then + pack(expandeddata,"y") + end + if chartsettings.chart.hcompact == v_yes then + pack(expandeddata,"x") + end + -- + for i=1,#expandeddata do + local cell = expandeddata[i] + local settings = cell.settings + if not settings then + cell.settings = chartsettings + else + settings.shape = settings.shape or { } + settings.focus = settings.focus or { } + settings.line = settings.line or { } + setmetatableindex(settings.shape,chartsettings.shape) + setmetatableindex(settings.focus,chartsettings.focus) + setmetatableindex(settings.line ,chartsettings.line) + end + end + return expandedchart +end + +local splitter = lpeg.splitat(",") + +function commands.flow_set_location(x,y) + if type(x) == "string" and not y then + x, y = lpegmatch(splitter,x) + end + if not x or x == "" then + x = last_x + elseif type(x) == "number" then + -- ok + elseif x == "+" then + x = last_x + 1 + elseif x == "-" then + x = last_x - 1 + elseif find(x,"^[%+%-]") then + x = last_x + (tonumber(x) or 0) + else + x = tonumber(x) + end + if not y or y == "" then + y = last_y + elseif type(y) == "number" then + -- ok + elseif y == "+" then + y = last_y + 1 + elseif x == "-" then + y = last_y - 1 + elseif find(y,"^[%+%-]") then + y = last_y + (tonumber(y) or 0) + else + y = tonumber(y) + end + temp.x = x or 1 + temp.y = y or 1 + last_x = x or last_x + last_y = y or last_y +end + +function commands.flow_set_connection(location,displacement,name) + local dx, dy = lpegmatch(splitter,displacement) + dx = tonumber(dx) + dy = tonumber(dy) + temp.connections[#temp.connections+1] = { + location = location, + dx = dx or 0, + dy = dy or 0, + name = name, + comments = { }, + } +end + +local function visible(chart,cell) + local x, y = cell.x, cell.y + return + x >= chart.from_x and x <= chart.to_x and + y >= chart.from_y and y <= chart.to_y and cell +end + +local function process_cells(chart,xoffset,yoffset) + local data = chart.data + if not data then + return + end + local focus = utilities.parsers.settings_to_hash(chart.settings.chart.focus or "") + for i=1,#data do + local cell = visible(chart,data[i]) + if cell then + local settings = cell.settings + local shapesettings = settings.shape + local shape = cell.shape + if not shape or shape == "" then + shape = shapesettings.default or "none" + end + if shape ~= v_none then + local shapedata = validshapes[shape] + context("flow_begin_sub_chart ;") -- when is this needed + if shapedata.kind == "line" then + local linesettings = settings.line + context("flow_shape_line_color := \\MPcolor{%s} ;", linesettings.color) + context("flow_shape_fill_color := \\MPcolor{%s} ;", linesettings.backgroundcolor) + context("flow_shape_line_width := %s ; ", points(linesettingsrulethickness)) + elseif focus[cell.focus] or focus[cell.name] then + local focussettings = settings.focus + context("flow_shape_line_color := \\MPcolor{%s} ;", focussettings.framecolor) + context("flow_shape_fill_color := \\MPcolor{%s} ;", focussettings.backgroundcolor) + context("flow_shape_line_width := %s ; ", points(focussettings.rulethickness)) + else + local shapesettings = settings.shape + context("flow_shape_line_color := \\MPcolor{%s} ;", shapesettings.framecolor) + context("flow_shape_fill_color := \\MPcolor{%s} ;", shapesettings.backgroundcolor) + context("flow_shape_line_width := %s ; " , points(shapesettings.rulethickness)) + end + context("flow_peepshape := false ;") -- todo + context("flow_new_shape(%s,%s,%s) ;",cell.x+xoffset,cell.y+yoffset,shapedata.number) + context("flow_end_sub_chart ;") + end + end + end +end + +-- todo : make lpeg for splitter + +local sign = S("+p") / "1" + + S("-m") / "-1" + +local full = C(P("left")) + + C(P("right")) + + C(P("top")) + + C(P("bottom")) + +local char = P("l") / "left" + + P("r") / "right" + + P("t") / "top" + + P("b") / "bottom" + +local space = P(" ")^0 + +local what = space + * (sign + Cc("0")) + * space + * (full + char) + * space + * (sign + Cc("0")) + * space + * (full + char) + * space + * P(-1) + +-- print(lpegmatch(what,"lr")) +-- print(lpegmatch(what,"+l+r")) +-- print(lpegmatch(what,"+l")) +-- print(lpegmatch(what,"+ left+r ")) + +local function process_connections(chart,xoffset,yoffset) + local data = chart.data + local hash = chart.hash + if not data then + return + end + local settings = chart.settings + for i=1,#data do + local cell = visible(chart,data[i]) + if cell then + local connections = cell.connections + for j=1,#connections do + local connection = connections[j] + local othername = connection.name + local othercell = hash[othername] + if othercell then -- and visible(chart,data[i]) then + local cellx, celly = cell.x, cell.y + local otherx, othery, location = othercell.x, othercell.y, connection.location + if otherx > 0 and othery > 0 and cellx > 0 and celly > 0 and connection.location then + local what_cell, where_cell, what_other, where_other = lpegmatch(what,location) + if what_cell and where_cell and what_other and where_other then + local linesettings = settings.line + context("flow_smooth := %s ;", linesettings.corner == v_round and "true" or "false") + context("flow_dashline := %s ;", linesettings.dash == v_yes and "true" or "false") + context("flow_arrowtip := %s ;", linesettings.arrow == v_yes and "true" or "false") + context("flow_touchshape := %s ;", linesettings.offset == v_none and "true" or "false") + context("flow_dsp_x := %s ; flow_dsp_y := %s ;",connection.dx or 0, connection.dy or 0) + context("flow_connection_line_color := \\MPcolor{%s} ;",linesettings.color) + context("flow_connection_line_width := 2pt ;",points(linesettings.rulethickness)) + context("flow_connect_%s_%s (%s) (%s,%s,%s) (%s,%s,%s) ;",where_cell,where_other,j,cellx,celly,what_cell,otherx,othery,what_other) + context("flow_dsp_x := 0 ; flow_dsp_y := 0 ;") + end + end + end + end + end + end +end + +local texttemplate = "\\setvariables[flowcell:text][x=%s,y=%s,text={%s},align={%s},figure={%s},destination={%s}]" + +local splitter = lpeg.splitat(":") + +local function process_texts(chart,xoffset,yoffset) + local data = chart.data + local hash = chart.hash + if not data then + return + end + for i=1,#data do + local cell = visible(chart,data[i]) + if cell then + local x = cell.x or 1 + local y = cell.y or 1 + local texts = cell.texts + for i=1,#texts do + local text = texts[i] + local data = text.text + local align = validlabellocations[text.align or ""] or text.align or "" + local figure = i == 1 and cell.figure or "" + local destination = i == 1 and cell.destination or "" + context('flow_chart_draw_text(%s,%s,textext("%s")) ;',x,y,format(texttemplate,x,y,data,align,figure,destination)) + end + local labels = cell.labels + for i=1,#labels do + local label = labels[i] + local text = label.text + local location = validlabellocations[label.location or ""] or label.location or "" + if text and location then + context('flow_chart_draw_label(%s,%s,"%s",textext("\\strut %s")) ;',x,y,location,text) + end + end + local exits = cell.exits + for i=1,#exits do + local exit = exits[i] + local text = exit.text + local location = validlabellocations[exit.location or ""] + if text and location then + -- maybe make autoexit an option + if location == "l" and x == chart.from_x + 1 or + location == "r" and x == chart.to_x - 1 or + location == "t" and y == chart.to_y - 1 or + location == "b" and y == chart.from_y + 1 then + context('flow_chart_draw_exit(%s,%s,"%s",textext("\\strut %s")) ;',x,y,location,text) + end + end + end + local connections = cell.connections + for i=1,#connections do + local comments = connections[i].comments + for j=1,#comments do + local comment = comments[j] + local text = comment.text + local location = comment.location or "" + local length = 0 + -- "tl" "tl:*" "tl:0.5" + local loc, len = lpegmatch(splitter,location) -- do the following in lpeg + if len == "*" then + location = validcommentlocations[loc] or "" + if location == "" then + location = "*" + else + location = location .. ":*" + end + elseif loc then + location = validcommentlocations[loc] or "*" + length = tonumber(len) or 0 + else + location = validcommentlocations[location] or "" + end + if text and location then + context('flow_chart_draw_comment(%s,%s,%s,"%s",%s,textext("\\strut %s")) ;',x,y,i,location,length,text) + end + end + end + end + end +end + +local function getchart(settings,forced_x,forced_y,forced_nx,forced_ny) + if not settings then + print("no settings given") + return + end + local chartname = settings.chart.name + if not chartname then + print("no name given") + return + end + local chart = charts[chartname] + if not chart then + print("no such chart",chartname) + return + end + chart = expanded(chart,settings) + local chartsettings = chart.settings.chart + local autofocus = chart.settings.chart.autofocus + if autofocus then + autofocus = utilities.parsers.settings_to_hash(autofocus) + if not next(autofocus) then + autofocus = false + end + end + -- check natural window + local x = forced_x or tonumber(chartsettings.x) + local y = forced_y or tonumber(chartsettings.y) + local nx = forced_nx or tonumber(chartsettings.nx) + local ny = forced_ny or tonumber(chartsettings.ny) + -- + local minx, miny, maxx, maxy = 0, 0, 0, 0 + local data = chart.data + for i=1,#data do + local cell = data[i] + if not autofocus or autofocus[cell.name] then -- offsets probably interfere with autofocus + local x = cell.x + local y = cell.y + if minx == 0 or x < minx then minx = x end + if miny == 0 or y < miny then miny = y end + if minx == 0 or x > maxx then maxx = x end + if miny == 0 or y > maxy then maxy = y end + end + end + -- print("1>",x,y,nx,ny) + -- print("2>",minx, miny, maxx, maxy) + -- check of window should be larger (maybe autofocus + nx/ny?) + if autofocus then + -- x and y are ignored + if nx and nx > 0 then + maxx = minx + nx - 1 + end + if ny and ny > 0 then + maxy = miny + ny - 1 + end + else + if x and x > 0 then + minx = x + end + if y and y > 0 then + miny = y + end + if nx and nx > 0 then + maxx = minx + nx - 1 + end + if ny and ny > 0 then + maxy = miny + ny - 1 + end + end +-- print("3>",minx, miny, maxx, maxy) + -- + local nx = maxx - minx + 1 + local ny = maxy - miny + 1 + -- relocate cells + for i=1,#data do + local cell = data[i] + cell.x = cell.x - minx + 1 + cell.y = cell.y - miny + 1 + end + chart.from_x = 1 + chart.from_y = 1 + chart.to_x = nx + chart.to_y = ny + chart.nx = nx + chart.ny = ny + -- + -- inspect(chart) + return chart +end + +local function makechart(chart) + local settings = chart.settings + local chartsettings = settings.chart + -- + context.begingroup() + context.forgetall() + -- + context.startMPcode() + context("if unknown context_flow : input mp-char.mpiv ; fi ;") + context("flow_begin_chart(0,%s,%s);",chart.nx,chart.ny) + -- + if chartsettings.option == v_test or chartsettings.dot == v_yes then + context("flow_show_con_points := true ;") + context("flow_show_mid_points := true ;") + context("flow_show_all_points := true ;") + elseif chartsettings.dot ~= "" then -- no checking done, private option + context("flow_show_%s_points := true ;",chartsettings.dot) + end + -- + local backgroundcolor = chartsettings.backgroundcolor + if backgroundcolor and backgroundcolor ~= "" then + context("flow_chart_background_color := \\MPcolor{%s} ;",backgroundcolor) + end + -- + local shapewidth = chartsettings.width + local gridwidth = shapewidth + 2*chartsettings.dx + local shapeheight = chartsettings.height + local gridheight = shapeheight + 2*chartsettings.dy + local chartoffset = chartsettings.offset + local labeloffset = chartsettings.labeloffset + local exitoffset = chartsettings.exitoffset + local commentoffset = chartsettings.commentoffset + context("flow_grid_width := %s ;", points(gridwidth)) + context("flow_grid_height := %s ;", points(gridheight)) + context("flow_shape_width := %s ;", points(shapewidth)) + context("flow_shape_height := %s ;", points(shapeheight)) + context("flow_chart_offset := %s ;", points(chartoffset)) + context("flow_label_offset := %s ;", points(labeloffset)) + context("flow_exit_offset := %s ;", points(exitoffset)) + context("flow_comment_offset := %s ;", points(commentoffset)) + -- + local radius = settings.line.radius + local rulethickness = settings.line.rulethickness + local dx = chartsettings.dx + local dy = chartsettings.dy + if radius < rulethickness then + radius = 2.5*rulethickness + if radius > dx then + radius = dx + end + if radius > dy then + radius = dy + end + end + context("flow_connection_line_width := %s ;", points(rulethickness)) + context("flow_connection_smooth_size := %s ;", points(radius)) + context("flow_connection_arrow_size := %s ;", points(radius)) + context("flow_connection_dash_size := %s ;", points(radius)) + -- + local offset = chartsettings.offset -- todo: pass string + if offset == v_none or offset == v_overlay or offset == "" then + offset = -2.5 * radius -- or rulethickness? + elseif offset == v_standard then + offset = radius -- or rulethickness? + end + context("flow_chart_offset := %s ;",points(offset)) + -- + context("flow_reverse_y := true ;") + process_cells(chart,0,0) + process_connections(chart,0,0) + process_texts(chart,0,0) + -- context("clip_chart(%s,%s,%s,%s) ;",x,y,nx,ny) -- todo: draw lines but not shapes + context("flow_end_chart ;") + context.stopMPcode() + context.endgroup() +end + +local function splitchart(chart) + local settings = chart.settings + local splitsettings = settings.split + local chartsettings = settings.chart + -- + local name = chartsettings.name + -- + local from_x = chart.from_x + local from_y = chart.from_y + local to_x = chart.to_x + local to_y = chart.to_y + -- + local step_x = splitsettings.nx or to_x + local step_y = splitsettings.ny or to_y + local delta_x = splitsettings.dx or 0 + local delta_y = splitsettings.dy or 0 + -- + report_chart("spliting %a from (%s,%s) upto (%s,%s) into (%s,%s) with overlap (%s,%s)", + name,from_x,from_y,to_x,to_y,step_x,step_y,delta_x,delta_y) + -- + local part_x = 0 + local first_x = from_x + while true do + part_x = part_x + 1 + local last_x = first_x + step_x - 1 + local done = last_x >= to_x + if done then + last_x = to_x + end + local part_y = 0 + local first_y = from_y + while true do + part_y = part_y + 1 + local last_y = first_y + step_y - 1 + local done = last_y >= to_y + if done then + last_y = to_y + end + -- + report_chart("part (%s,%s) of %a is split from (%s,%s) -> (%s,%s)",part_x,part_y,name,first_x,first_y,last_x,last_y) + local x, y, nx, ny = first_x, first_y, last_x - first_x + 1,last_y - first_y + 1 + context.beforeFLOWsplit() + context.handleFLOWsplit(function() + makechart(getchart(settings,x,y,nx,ny)) -- we need to pass frozen settings ! + end) + context.afterFLOWsplit() + -- + if done then + break + else + first_y = last_y + 1 - delta_y + end + end + if done then + break + else + first_x = last_x + 1 - delta_x + end + end +end + +function commands.flow_make_chart(settings) + local chart = getchart(settings) + if chart then + local settings = chart.settings + if settings then + local chartsettings = settings.chart + if chartsettings and chartsettings.split == v_yes then + splitchart(chart) + else + makechart(chart) + end + else + makechart(chart) + end + end +end -- cgit v1.2.3