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if not modules then modules = { } end modules ['s-math-coverage'] = {
version = 1.001,
comment = "companion to s-math-coverage.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
moduledata.math = moduledata.math or { }
moduledata.math.coverage = moduledata.math.coverage or { }
local utfchar, utfbyte = utf.char, utf.byte
local formatters, lower, upper, find, format = string.formatters, string.lower, string.upper, string.find, string.format
local lpegmatch = lpeg.match
local concat = table.concat
local context = context
local NC, NR, HL = context.NC, context.NR, context.HL
local char, getglyph, bold, getvalue = context.char, context.getglyph, context.bold, context.getvalue
local ucgreek = {
0x0391, 0x0392, 0x0393, 0x0394, 0x0395,
0x0396, 0x0397, 0x0398, 0x0399, 0x039A,
0x039B, 0x039C, 0x039D, 0x039E, 0x039F,
0x03A0, 0x03A1, 0x03A3, 0x03A4, 0x03A5,
0x03A6, 0x03A7, 0x03A8, 0x03A9
}
local lcgreek = {
0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5,
0x03B6, 0x03B7, 0x03B8, 0x03B9, 0x03BA,
0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF,
0x03C0, 0x03C1, 0x03C2, 0x03C3, 0x03C4,
0x03C5, 0x03C6, 0x03C7, 0x03C8, 0x03C9,
0x03D1, 0x03D5, 0x03D6, 0x03F0, 0x03F1,
0x03F4, 0x03F5
}
local ucletters = {
0x00041, 0x00042, 0x00043, 0x00044, 0x00045,
0x00046, 0x00047, 0x00048, 0x00049, 0x0004A,
0x0004B, 0x0004C, 0x0004D, 0x0004E, 0x0004F,
0x00050, 0x00051, 0x00052, 0x00053, 0x00054,
0x00055, 0x00056, 0x00057, 0x00058, 0x00059,
0x0005A,
}
local lcletters = {
0x00061, 0x00062, 0x00063, 0x00064, 0x00065,
0x00066, 0x00067, 0x00068, 0x00069, 0x0006A,
0x0006B, 0x0006C, 0x0006D, 0x0006E, 0x0006F,
0x00070, 0x00071, 0x00072, 0x00073, 0x00074,
0x00075, 0x00076, 0x00077, 0x00078, 0x00079,
0x0007A,
}
local digits = {
0x00030, 0x00031, 0x00032, 0x00033, 0x00034,
0x00035, 0x00036, 0x00037, 0x00038, 0x00039,
}
local styles = {
"regular", "sansserif", "monospaced", "fraktur", "script", "blackboard"
}
local alternatives = {
"normal", "bold", "italic", "bolditalic"
}
local alphabets = {
ucletters, lcletters, ucgreek, lcgreek, digits,
}
local getboth = mathematics.getboth
local remapalphabets = mathematics.remapalphabets
local chardata = characters.data
local superscripts = characters.superscripts
local subscripts = characters.subscripts
function moduledata.math.coverage.showalphabets()
context.starttabulate { "|lT|l|Tl|" }
for i=1,#styles do
local style = styles[i]
for i=1,#alternatives do
local alternative = alternatives[i]
for i=1,#alphabets do
local alphabet = alphabets[i]
NC()
if i == 1 then
context("%s %s",style,alternative)
end
NC()
context.startimath()
context.setmathattribute(style,alternative)
for i=1,#alphabet do
local letter = alphabet[i]
local id = getboth(style,alternative)
local unicode = remapalphabets(letter,id)
if not unicode then
context.underbar(utfchar(letter))
elseif unicode == letter then
context(utfchar(unicode))
else
context(utfchar(unicode))
end
end
context.stopimath()
NC()
local first = alphabet[1]
local last = alphabet[#alphabet]
local id = getboth(style,alternative)
local f_unicode = remapalphabets(first,id) or utfbyte(first)
local l_unicode = remapalphabets(last,id) or utfbyte(last)
context("%05X - %05X",f_unicode,l_unicode)
NC()
NR()
end
end
end
context.stoptabulate()
end
function moduledata.math.coverage.showcharacters()
context.startcolumns()
context.setupalign { "nothyphenated" }
context.starttabulate { "|T|i2|Tpl|" }
for u, d in table.sortedpairs(chardata) do
local mathclass = d.mathclass
local mathspec = d.mathspec
if mathclass or mathspec then
NC()
context("%05X",u)
NC()
getglyph("MathRoman",u)
NC()
if mathspec then
local t = { }
for i=1,#mathspec do
t[mathspec[i].class] = true
end
t = table.sortedkeys(t)
context("% t",t)
else
context(mathclass)
end
NC()
NR()
end
end
context.stoptabulate()
context.stopcolumns()
end
-- This is a somewhat tricky table as we need to bypass the math machinery.
function moduledata.math.coverage.showscripts()
context.starttabulate { "|cT|c|cT|c|c|c|l|" }
for k, v in table.sortedpairs(table.merged(superscripts,subscripts)) do
local ck = utfchar(k)
local cv = utfchar(v)
local ss = superscripts[k] and "^" or "_"
NC()
context("%05X",k)
NC()
context(ck)
NC()
context("%05X",v)
NC()
context(cv)
NC()
context.formatted.rawmathematics("x%s = x%s%s",ck,ss,cv)
NC()
context.formatted.mathematics("x%s = x%s%s",ck,ss,cv)
NC()
context(lower(chardata[k].description))
NC()
NR()
end
context.stoptabulate()
end
function moduledata.math.coverage.showcomparison(specification)
specification = interfaces.checkedspecification(specification)
local fontfiles = utilities.parsers.settings_to_array(specification.list or "")
local pattern = upper(specification.pattern or "")
local present = { }
local names = { }
local files = { }
if not pattern then
-- skip
elseif pattern == "" then
pattern = nil
elseif tonumber(pattern) then
pattern = tonumber(pattern)
else
pattern = lpeg.oneof(utilities.parsers.settings_to_array(pattern))
pattern = (1-pattern)^0 * pattern
end
for i=1,#fontfiles do
local fontname = format("testfont-%s",i)
local fontfile = fontfiles[i]
local fontsize = tex.dimen.bodyfontsize
local id, fontdata = fonts.definers.define {
name = fontfile,
size = fontsize,
cs = fontname,
}
if id and fontdata then
for k, v in next, fontdata.characters do
present[k] = true
end
names[#names+1] = fontname
files[#files+1] = fontfile
end
end
local t = { }
context.starttabulate { "|Tr" .. string.rep("|l",#names) .. "|" }
for i=1,#files do
local file = files[i]
t[#t+1] = i .. "=" .. file
NC()
context(i)
NC()
context(file)
NC()
NR()
end
context.stoptabulate()
context.setupfootertexts {
table.concat(t," ")
}
context.starttabulate { "|Tl" .. string.rep("|c",#names) .. "|Tl|" }
NC()
bold("unicode")
NC()
for i=1,#names do
bold(i)
NC()
end
bold("description")
NC()
NR()
HL()
for k, v in table.sortedpairs(present) do
if k > 0 then
local description = chardata[k].description
if not pattern or (pattern == k) or (description and lpegmatch(pattern,description)) then
NC()
context("%05X",k)
NC()
for i=1,#names do
getvalue(names[i])
char(k)
NC()
end
context(description)
NC()
NR()
end
end
end
context.stoptabulate()
end
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