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-- filename : type-mp.lua
-- comment : companion to core-buf.tex
-- author : Hans Hagen, PRAGMA-ADE, Hasselt NL
-- copyright: PRAGMA ADE / ConTeXt Development Team
-- license : see context related readme files
local utf = unicode.utf8
local utfcharacters, utfvalues = string.utfcharacters, string.utfvalues
if not buffers then buffers = { } end
if not buffers.visualizers then buffers.visualizers = { } end
if not buffers.visualizers.mp then buffers.visualizers.mp = { } end
buffers.visualizers.mp.identifiers = { }
buffers.visualizers.mp.identifiers.primitives = {
'charcode', 'day', 'linecap', 'linejoin', 'miterlimit', 'month', 'pausing',
'prologues', 'showstopping', 'time', 'tracingcapsules', 'tracingchoices',
'tracingcommands', 'tracingequations', 'tracinglostchars',
'tracingmacros', 'tracingonline', 'tracingoutput', 'tracingrestores',
'tracingspecs', 'tracingstats', 'tracingtitles', 'truecorners',
'warningcheck', 'year', 'mpprocset',
'false', 'nullpicture', 'pencircle', 'true',
'and', 'angle', 'arclength', 'arctime', 'ASCII', 'bluepart', 'boolean', 'bot',
'char', 'color', 'cosd', 'cycle', 'decimal', 'directiontime', 'floor', 'fontsize',
'greenpart', 'hex', 'infont', 'intersectiontimes', 'known', 'length', 'llcorner',
'lrcorner', 'makepath', 'makepen', 'mexp', 'mlog', 'normaldeviate', 'not',
'numeric', 'oct', 'odd', 'or', 'path', 'pair', 'pen', 'penoffset', 'picture', 'point',
'postcontrol', 'precontrol', 'redpart', 'reverse', 'rotated', 'scaled',
'shifted', 'sind', 'slanted', 'sqrt', 'str', 'string', 'subpath', 'substring',
'transform', 'transformed', 'ulcorner', 'uniformdeviate', 'unknown',
'urcorner', 'xpart', 'xscaled', 'xxpart', 'xypart', 'ypart', 'yscaled', 'yxpart',
'yypart', 'zscaled',
'addto', 'clip', 'input', 'interim', 'let', 'newinternal', 'save', 'setbounds',
'shipout', 'show', 'showdependencies', 'showtoken', 'showvariable',
'special',
'begingroup', 'endgroup', 'of', 'curl', 'tension', 'and', 'controls',
'reflectedabout', 'rotatedaround', 'interpath', 'on', 'off', 'beginfig',
'endfig', 'def', 'vardef', 'enddef', 'epxr', 'suffix', 'text', 'primary', 'secondary',
'tertiary', 'primarydef', 'secondarydef', 'tertiarydef', 'top', 'bottom',
'ulft', 'urt', 'llft', 'lrt', 'randomseed', 'also', 'contour', 'doublepath',
'withcolor', 'withpen', 'dashed', 'if', 'else', 'elseif', 'fi', 'for', 'endfor', 'forever', 'exitif',
'forsuffixes', 'downto', 'upto', 'step', 'until',
'charlist', 'extensible', 'fontdimen', 'headerbyte', 'kern', 'ligtable',
'boundarychar', 'chardp', 'charext', 'charht', 'charic', 'charwd', 'designsize',
'fontmaking', 'charexists',
'cullit', 'currenttransform', 'gfcorners', 'grayfont', 'hround',
'imagerules', 'lowres_fix', 'nodisplays', 'notransforms', 'openit',
'displaying', 'currentwindow', 'screen_rows', 'screen_cols',
'pixels_per_inch', 'cull', 'display', 'openwindow', 'numspecial',
'totalweight', 'autorounding', 'fillin', 'proofing', 'tracingpens',
'xoffset', 'chardx', 'granularity', 'smoothing', 'turningcheck', 'yoffset',
'chardy', 'hppp', 'tracingedges', 'vppp',
'extra_beginfig', 'extra_endfig', 'mpxbreak',
'end', 'btex', 'etex', 'verbatimtex'
}
buffers.visualizers.mp.identifiers.plain = {
'ahangle', 'ahlength', 'bboxmargin', 'defaultpen', 'defaultscale',
'labeloffset', 'background', 'currentpen', 'currentpicture', 'cuttings',
'defaultfont', 'extra_beginfig', 'extra_endfig',
'beveled', 'black', 'blue', 'bp', 'butt', 'cc', 'cm', 'dd', 'ditto', 'down', 'epsilon',
'evenly', 'fullcircle', 'green', 'halfcircle', 'identity', 'in', 'infinity', 'left',
'mitered', 'mm', 'origin', 'pensquare', 'pt', 'quartercircle', 'red', 'right',
'rounded', 'squared', 'unitsquare', 'up', 'white', 'withdots',
'abs', 'bbox', 'ceiling', 'center', 'cutafter', 'cutbefore', 'dir',
'directionpoint', 'div', 'dotprod', 'intersectionpoint', 'inverse', 'mod', 'lft',
'round', 'rt', 'unitvector', 'whatever',
'cutdraw', 'draw', 'drawarrow', 'drawdblarrow', 'fill', 'filldraw', 'drawdot',
'loggingall', 'pickup', 'tracingall', 'tracingnone', 'undraw', 'unfill',
'unfilldraw',
'buildcycle', 'dashpattern', 'decr', 'dotlabel', 'dotlabels', 'drawoptions',
'incr', 'label', 'labels', 'max', 'min', 'thelabel', 'z',
'beginchar', 'blacker', 'capsule_end', 'change_width',
'define_blacker_pixels', 'define_corrected_pixels',
'define_good_x_pixels', 'define_good_y_pixels',
'define_horizontal_corrected_pixels', 'define_pixels',
'define_whole_blacker_pixels', 'define_whole_pixels',
'define_whole_vertical_blacker_pixels',
'define_whole_vertical_pixels', 'endchar', 'extra_beginchar',
'extra_endchar', 'extra_setup', 'font_coding_scheme',
'font_extra_space'
}
buffers.visualizers.mp.identifiers.metafun = {
'unitcircle', 'fulldiamond', 'unitdiamond',
'halfcircle', 'quartercircle',
'llcircle', 'lrcircle', 'urcircle', 'ulcircle',
'tcircle', 'bcircle', 'lcircle', 'rcircle',
'lltriangle', 'lrtriangle', 'urtriangle', 'ultriangle',
'smoothed', 'cornered', 'superellipsed', 'randomized', 'squeezed',
'punked', 'curved', 'unspiked', 'simplified', 'blownup', 'stretched',
'enlarged', 'leftenlarged', 'topenlarged', 'rightenlarged', 'bottomenlarged',
'llenlarged', 'lrenlarged', 'urenlarged', 'ulenlarged',
'llmoved', 'lrmoved', 'urmoved', 'ulmoved',
'boundingbox', 'innerboundingbox', 'outerboundingbox',
'bottomboundary', 'leftboundary', 'topboundary', 'rightboundary',
'xsized', 'ysized', 'xysized',
'cmyk', 'transparent', 'withshade', 'spotcolor',
'drawfill', 'undrawfill',
'inverted', 'uncolored', 'softened', 'grayed',
'textext', 'graphictext',
'loadfigure', 'externalfigure'
}
buffers.visualizers.mp.words = { }
for k,v in pairs(buffers.visualizers.mp.identifiers) do
for _,w in pairs(v) do
buffers.visualizers.mp.words[w] = k
end
end
buffers.visualizers.mp.styles = { }
buffers.visualizers.mp.styles.primitives = ""
buffers.visualizers.mp.styles.plain = "\\sl "
buffers.visualizers.mp.styles.metafun = "\\sl "
-- btex .. etex
buffers.visualizers.mp.colors = {
"prettyone",
"prettytwo",
"prettythree",
"prettyfour",
}
buffers.visualizers.mp.states = {
[';']=1, ['$']=1, ['@']=1, ['#']=1,
['\\']=2,
['(']=3, [')']=3, ['[']=3, [']']=3, [':']=3, ['=']=3, ['<']=3, ['>']=3,
['-']=4, ['+']=4, ['/']=4, ['*']=4, ['|']=4, ['`']=4, ['!']=4, ['?']=4, ['^']=4, ['&']=4, ['%']=4,
['%']=4, ['.']=4, [',']=4
}
function buffers.flush_mp_word(state, word, intex, result)
if #word>0 then
if intex then
if word == 'etex' then
state = buffers.change_state(2, state, result)
result[#result+1] = word
state = buffers.finish_state(state,result)
return state, false
else
result[#result+1] = word
return state, true
end
else
local id = buffers.visualizers.mp.words[word]
if id then
state = buffers.change_state(2, state, result)
if buffers.visualizers.mp.styles[id] then
result[#result+1] = buffers.visualizers.mp.styles[id] .. word
else
result[#result+1] = word
end
state = buffers.finish_state(state,result)
return state, (word == 'btex') or (word == 'verbatimtex')
else
state = buffers.finish_state(state,result)
result[#result+1] = word
return state, intex
end
end
else
state = buffers.finish_state(state,result)
return state, intex
end
end
-- todo: split string in code and comment, and escape comment fast
-- could be generic
-- to be considered: visualizer => table [result, instr, incomment, word]
function buffers.visualizers.mp.flush_line_(str,nested)
local result, state, word = { }, 0, ""
local instr, intex, incomment = false, false, false
local byte, find = utf.byte, utf.find
local finish, change = buffers.finish_state, buffers.change_state
buffers.currentcolors = buffers.visualizers.mp.colors
for c in utfcharacters(str) do
if incomment then
result[#result+1] = buffers.escaped_chr(c)
elseif c == '%' then
state = change(buffers.visualizers.mp.states[c], state, result)
incomment = true
result[#result+1] = "\\char" .. byte(c) .. " "
state = finish(state,result)
elseif instr then
if c == '"' then
state = change(buffers.visualizers.mp.states[c], state, result)
instr = false
result[#result+1] = "\\char" .. byte(c) .. " "
state = finish(state,result)
elseif find(c,"^[%a%d]$") then
result[#result+1] = c
else
result[#result+1] = "\\char" .. byte(c) .. " "
end
elseif c == " " then
state, intex = buffers.flush_mp_word_(state, word, intex, result)
word = ""
result[#result+1] = "\\obs "
elseif intex then
if find(c,"^[%a]$") then
word = word .. c
else
state, intex = buffers.flush_mp_word_(state, word, intex, result)
word = ""
if intex then
if find(c,"^[%d]$") then
result[#result+1] = c
else
result[#result+1] = "\\char" .. byte(c) .. " "
end
else
state = change(buffers.visualizers.mp.states[c], state, result)
result[#result+1] = "\\char" .. byte(c) .. " "
end
end
elseif find(c,"^[%a]$") then
state = finish(state,result)
word = word .. c
else
state, intex = buffers.flush_mp_word_(state, word, intex, result)
word = ""
state = change(buffers.visualizers.mp.states[c], state, result)
result[#result+1] = "\\char" .. byte(c) .. " "
instr = (c == '"')
end
end
state, intex = buffers.flush_mp_word_(state, word, intex, result)
state = finish(state,result)
buffers.flush_result(result,false)
end
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