diff --git a/pdfmml-showlists.lua b/pdfmml-showlists.lua index 340c9f9..f4af647 100644 --- a/pdfmml-showlists.lua +++ b/pdfmml-showlists.lua @@ -11,6 +11,19 @@ local tex_char = l.Cg('^^' * (hex_digit * hex_digit / hex_to_int + l.P(1) / string.byte) local scaled = l.P'-'^-1 * l.R'09'^1 * '.' * l.R'09'^1 / function(s) return (tonumber(s * 0x10000) + .5) // 1 end +local int = l.P'-'^-1 * l.R'09'^1 / tonumber +local glue_order_mu = 'filll' * l.Cc(3) + + 'fill' * l.Cc(2) + + 'fil' * l.Cc(1) + + 'mu' * l.Cc(0) +local glue_order_pt = 'filll' * l.Cc(3) + + 'fill' * l.Cc(2) + + 'fil' * l.Cc(1) + + 'pt' * l.Cc(0) +local glue_order = 'filll' * l.Cc(3) + + 'fill' * l.Cc(2) + + 'fil' * l.Cc(1) + + l.Cc(0) local delimiter_code = '"' * (l.R('09', 'AF')^1 / function(s) local code = tonumber(s, 16) return {id = 'delim', @@ -21,8 +34,43 @@ local delimiter_code = '"' * (l.R('09', 'AF')^1 / function(s) } end) +local balanced_braces = l.Ct{'{' * (1-l.S'{}'+l.V(1))^0 * '}'} + local math_char = l.Ct('\\fam' * l.Cg(l.R'09'^1 / tonumber, 'fam') * ' ' * l.Cg(tex_char, 'char') * l.Cg(l.Cc'math_char', 'id')) +local hdw = '(' * l.Cg(scaled + '*' * l.Cc(-0x40000000), 'height') * '+' * l.Cg(scaled + '*' * l.Cc(-0x40000000), 'depth') * ')x' * l.Cg(scaled + '*' * l.Cc(-0x40000000), 'width') + +local generic_simple_node = l.Ct( + '\\' * l.Cg('rule', 'id') * hdw + + '\\kern' * l.Cg(' ' * l.Cc(1) + l.Cc(0), 'subtype') * l.Cg(scaled, 'kern') * (' (for ' * (l.R'az' + l.S'/\\') * ')')^-1 * l.Cg(l.Cc'kern', 'id') + + '\\glue' * l.Cg('(\\' * ( + 'line' * l.Cc(1) + + 'baseline' * l.Cc(2) + + 'par' * l.Cc(3) + + 'abovedisplay' * l.Cc(4) + + 'belowdisplay' * l.Cc(5) + + 'abovedisplayshort' * l.Cc(6) + + 'belowdisplayshort' * l.Cc(7) + + 'left' * l.Cc(8) + + 'right' * l.Cc(9) + + 'top' * l.Cc(10) + + 'splittop' * l.Cc(11) + + 'tab' * l.Cc(12) + + 'space' * l.Cc(13) + + 'xspace' * l.Cc(14) + + 'parfill' * l.Cc(15) + + 'math' * l.Cc(16) + + 'thinmu' * l.Cc(17) + + 'medmu' * l.Cc(18) + + 'thickmu' * l.Cc(19)) * 'skip)' + l.Cc(0), 'subtype') + * ' ' * l.Cg(scaled, 'width') + * (' plus ' * l.Cg(scaled, 'stretch') * l.Cg(glue_order, 'stretch_order') + l.Cg(l.Cc(0), 'stretch') * l.Cg(l.Cc(0), 'stretch_order')) + * (' minus ' * l.Cg(scaled, 'shrink') * l.Cg(glue_order, 'shrink_order') + l.Cg(l.Cc(0), 'shrink') * l.Cg(l.Cc(0), 'shrink_order')) + * l.Cg(l.Cc'glue', 'id') + + '\\penalty ' * l.Cg(int, 'penalty') * l.Cg(l.Cc'penalty', 'id') + + '\\mark' * l.Cg('s' * int + l.Cc(0), 'class') * l.Cg(balanced_braces, 'mark') * l.Cg(l.Cc'mark', 'id') +) * -1 + local simple_noad = l.Ct( '\\math' * l.Cg( 'ord' * l.Cc(0) @@ -52,11 +100,32 @@ local simple_noad = l.Ct( + 'text' * l.Cc(2) + 'scriptscript' * l.Cc(6) + 'script' * l.Cc(4), 'subtype') * l.Cg('style', 'id') + + '\\glue(\\nonscript)' * l.Cg(l.Cc(98), 'subtype') * l.Cg(l.Cc'glue', 'id') + '\\mkern' * l.Cg(scaled, 'kern') * 'mu' * l.Cg(l.Cc(99), 'subtype') * l.Cg(l.Cc'kern', 'id') - + '\\kern' * l.Cg(' ' * l.Cc(1) + l.Cc(0), 'subtype') * l.Cg(scaled, 'kern') * (' (for ' * (l.R'az' + l.S'/\\') * ')')^-1 * l.Cg(l.Cc'kern', 'id') + + '\\glue(\\mskip)' * l.Cg(l.Cc(99), 'subtype') + * ' ' * l.Cg(scaled, 'width') * 'mu' + * (' plus ' * l.Cg(scaled, 'stretch') * l.Cg(glue_order_mu, 'stretch_order') + l.Cg(l.Cc(0), 'stretch') * l.Cg(l.Cc(0), 'stretch_order')) + * (' minus ' * l.Cg(scaled, 'shrink') * l.Cg(glue_order_mu, 'shrink_order') + l.Cg(l.Cc(0), 'shrink') * l.Cg(l.Cc(0), 'shrink_order')) + * l.Cg(l.Cc'glue', 'id') ) * -1 ++ generic_simple_node -local box_node = '\\' * l.S'hv' * 'box(' +local simple_text = l.Ct( + '\\math' * l.Cg( + 'on' * l.Cc(0) + + 'off' * l.Cc(6) + , 'subtype') * l.Cg(', surrounded ' * scaled + l.Cc(0), 'surround') * l.Cg(l.Cc'math', 'id') + ) * -1 ++ generic_simple_node + +local box_node = l.Ct('\\' * l.Cg('h' * l.Cc'hlist' + + 'v' * l.Cc'vlist') * 'box' + * hdw + * (', glue set ' * l.Cg('- ' * l.Cc(2) + l.Cc(1), 'glue_sign') + * l.Cg(scaled/function (s) return s/65536 end, 'glue_set') + * l.Cg(glue_order, 'glue_order') + + l.Cg(l.Cc(0), 'glue_sign') * l.Cg(l.Cc(0), 'glue_set') * l.Cg(l.Cc(0), 'glue_order')) + * l.Cg(', shifted ' * scaled + l.Cc(0), 'shift')) * -1 local fraction_noad = l.Ct('\\fraction, thickness ' * l.Cg('= default' * l.Cc(0x40000000) + scaled, 'width')