diff options
Diffstat (limited to 'tex/context/base/math-map.lua')
| -rw-r--r-- | tex/context/base/math-map.lua | 440 |
1 files changed, 440 insertions, 0 deletions
diff --git a/tex/context/base/math-map.lua b/tex/context/base/math-map.lua new file mode 100644 index 000000000..2d34dc1c3 --- /dev/null +++ b/tex/context/base/math-map.lua @@ -0,0 +1,440 @@ +if not modules then modules = { } end modules ['math-map'] = { + version = 1.001, + comment = "companion to math-ini.mkiv", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +--[[ldx-- +<p>Remapping mathematics alphabets.</p> +--ldx]]-- + +-- oldstyle: not really mathematics but happened to be part of +-- the mathematics fonts in cmr +-- +-- persian: we will also provide mappers for other +-- scripts + +-- todo: alphabets namespace +-- maybe: script/scriptscript dynamic, + +local type, next = type, next +local floor = math.floor + +local texattribute = tex.attribute + +local trace_greek = false trackers.register("math.greek", function(v) trace_greek = v end) + +mathematics = mathematics or { } + +-- we could use one level less and have tf etc be tables directly but the +-- following approach permits easier remapping of a-a, A-Z and 0-9 to +-- fallbacks; symbols is currently mostly greek + +mathematics.alphabets = { + regular = { + tf = { + digits = 0x00030, + ucletters = 0x00041, + lcletters = 0x00061, + ucgreek = { + [0x0391]=0x0391, [0x0392]=0x0392, [0x0393]=0x0393, [0x0394]=0x0394, [0x0395]=0x0395, + [0x0396]=0x0396, [0x0397]=0x0397, [0x0398]=0x0398, [0x0399]=0x0399, [0x039A]=0x039A, + [0x039B]=0x039B, [0x039C]=0x039C, [0x039D]=0x039D, [0x039E]=0x039E, [0x039F]=0x039F, + [0x03A0]=0x03A0, [0x03A1]=0x03A1, [0x03A3]=0x03A3, [0x03A4]=0x03A4, [0x03A5]=0x03A5, + [0x03A6]=0x03A6, [0x03A7]=0x03A7, [0x03A8]=0x03A8, [0x03A9]=0x03A9, + }, + lcgreek = { + [0x03B1]=0x03B1, [0x03B2]=0x03B2, [0x03B3]=0x03B3, [0x03B4]=0x03B4, [0x03B5]=0x03B5, + [0x03B6]=0x03B6, [0x03B7]=0x03B7, [0x03B8]=0x03B8, [0x03B9]=0x03B9, [0x03BA]=0x03BA, + [0x03BB]=0x03BB, [0x03BC]=0x03BC, [0x03BD]=0x03BD, [0x03BE]=0x03BE, [0x03BF]=0x03BF, + [0x03C0]=0x03C0, [0x03C1]=0x03C1, [0x03C2]=0x03C2, [0x03C3]=0x03C3, [0x03C4]=0x03C4, + [0x03C5]=0x03C5, [0x03C6]=0x03C6, [0x03C7]=0x03C7, [0x03C8]=0x03C8, [0x03C9]=0x03C9, + [0x03D1]=0x03D1, [0x03D5]=0x03D5, [0x03D6]=0x03D6, [0x03F0]=0x03F0, [0x03F1]=0x03F1, + [0x03F4]=0x03F4, [0x03F5]=0x03F5, + }, + symbols = { + [0x2202]=0x2202, [0x2207]=0x2207, + }, + }, + it = { + ucletters = 0x1D434, + lcletters = { -- H + [0x00061]=0x1D44E, [0x00062]=0x1D44F, [0x00063]=0x1D450, [0x00064]=0x1D451, [0x00065]=0x1D452, + [0x00066]=0x1D453, [0x00067]=0x1D454, [0x00068]=0x0210E, [0x00069]=0x1D456, [0x0006A]=0x1D457, + [0x0006B]=0x1D458, [0x0006C]=0x1D459, [0x0006D]=0x1D45A, [0x0006E]=0x1D45B, [0x0006F]=0x1D45C, + [0x00070]=0x1D45D, [0x00071]=0x1D45E, [0x00072]=0x1D45F, [0x00073]=0x1D460, [0x00074]=0x1D461, + [0x00075]=0x1D462, [0x00076]=0x1D463, [0x00077]=0x1D464, [0x00078]=0x1D465, [0x00079]=0x1D466, + [0x0007A]=0x1D467, + }, + ucgreek = { + [0x0391]=0x1D6E2, [0x0392]=0x1D6E3, [0x0393]=0x1D6E4, [0x0394]=0x1D6E5, [0x0395]=0x1D6E6, + [0x0396]=0x1D6E7, [0x0397]=0x1D6E8, [0x0398]=0x1D6E9, [0x0399]=0x1D6EA, [0x039A]=0x1D6EB, + [0x039B]=0x1D6EC, [0x039C]=0x1D6ED, [0x039D]=0x1D6EE, [0x039E]=0x1D6EF, [0x039F]=0x1D6F0, + [0x03A0]=0x1D6F1, [0x03A1]=0x1D6F2, [0x03A3]=0x1D6F4, [0x03A4]=0x1D6F5, [0x03A5]=0x1D6F6, + [0x03A6]=0x1D6F7, [0x03A7]=0x1D6F8, [0x03A8]=0x1D6F9, [0x03A9]=0x1D6FA, + }, + lcgreek = { + [0x03B1]=0x1D6FC, [0x03B2]=0x1D6FD, [0x03B3]=0x1D6FE, [0x03B4]=0x1D6FF, [0x03B5]=0x1D700, + [0x03B6]=0x1D701, [0x03B7]=0x1D702, [0x03B8]=0x1D703, [0x03B9]=0x1D704, [0x03BA]=0x1D705, + [0x03BB]=0x1D706, [0x03BC]=0x1D707, [0x03BD]=0x1D708, [0x03BE]=0x1D709, [0x03BF]=0x1D70A, + [0x03C0]=0x1D70B, [0x03C1]=0x1D70C, [0x03C2]=0x1D70D, [0x03C3]=0x1D70E, [0x03C4]=0x1D70F, + [0x03C5]=0x1D710, [0x03C6]=0x1D711, [0x03C7]=0x1D712, [0x03C8]=0x1D713, [0x03C9]=0x1D714, + [0x03D1]=0x1D717, [0x03D5]=0x1D719, [0x03D6]=0x1D71B, [0x03F0]=0x1D718, [0x03F1]=0x1D71A, + [0x03F4]=0x1D6F3, [0x03F5]=0x1D716, + }, + symbols = { + [0x2202]=0x1D715, [0x2207]=0x1D6FB, + }, + }, + bf= { + digits = 0x1D7CE, + ucletters = 0x1D400, + lcletters = 0x1D41A, + ucgreek = { + [0x0391]=0x1D6A8, [0x0392]=0x1D6A9, [0x0393]=0x1D6AA, [0x0394]=0x1D6AB, [0x0395]=0x1D6AC, + [0x0396]=0x1D6AD, [0x0397]=0x1D6AE, [0x0398]=0x1D6AF, [0x0399]=0x1D6B0, [0x039A]=0x1D6B1, + [0x039B]=0x1D6B2, [0x039C]=0x1D6B3, [0x039D]=0x1D6B4, [0x039E]=0x1D6B5, [0x039F]=0x1D6B6, + [0x03A0]=0x1D6B7, [0x03A1]=0x1D6B8, [0x03A3]=0x1D6BA, [0x03A4]=0x1D6BB, [0x03A5]=0x1D6BC, + [0x03A6]=0x1D6BD, [0x03A7]=0x1D6BE, [0x03A8]=0x1D6BF, [0x03A9]=0x1D6C0, + }, + lcgreek = { + [0x03B1]=0x1D6C2, [0x03B2]=0x1D6C3, [0x03B3]=0x1D6C4, [0x03B4]=0x1D6C5, [0x03B5]=0x1D6C6, + [0x03B6]=0x1D6C7, [0x03B7]=0x1D6C8, [0x03B8]=0x1D6C9, [0x03B9]=0x1D6CA, [0x03BA]=0x1D6CB, + [0x03BB]=0x1D6CC, [0x03BC]=0x1D6CD, [0x03BD]=0x1D6CE, [0x03BE]=0x1D6CF, [0x03BF]=0x1D6D0, + [0x03C0]=0x1D6D1, [0x03C1]=0x1D6D2, [0x03C2]=0x1D6D3, [0x03C3]=0x1D6D4, [0x03C4]=0x1D6D5, + [0x03C5]=0x1D6D6, [0x03C6]=0x1D6D7, [0x03C7]=0x1D6D8, [0x03C8]=0x1D6D9, [0x03C9]=0x1D6DA, + [0x03D1]=0x1D6DD, [0x03D5]=0x1D6DF, [0x03D6]=0x1D6E1, [0x03F0]=0x1D6DE, [0x03F1]=0x1D6E0, + [0x03F4]=0x1D6B9, [0x03F5]=0x1D6DC, + }, + symbols = { + [0x2202]=0x1D6DB, [0x2207]=0x1D6C1, + }, + }, + bi = { + ucletters = 0x1D468, + lcletters = 0x1D482, + ucgreek = { + [0x0391]=0x1D71C, [0x0392]=0x1D71D, [0x0393]=0x1D71E, [0x0394]=0x1D71F, [0x0395]=0x1D720, + [0x0396]=0x1D721, [0x0397]=0x1D722, [0x0398]=0x1D723, [0x0399]=0x1D724, [0x039A]=0x1D725, + [0x039B]=0x1D726, [0x039C]=0x1D727, [0x039D]=0x1D728, [0x039E]=0x1D729, [0x039F]=0x1D72A, + [0x03A0]=0x1D72B, [0x03A1]=0x1D72C, [0x03A3]=0x1D72E, [0x03A4]=0x1D72F, [0x03A5]=0x1D730, + [0x03A6]=0x1D731, [0x03A7]=0x1D732, [0x03A8]=0x1D733, [0x03A9]=0x1D734, + }, + lcgreek = { + [0x03B1]=0x1D736, [0x03B2]=0x1D737, [0x03B3]=0x1D738, [0x03B4]=0x1D739, [0x03B5]=0x1D73A, + [0x03B6]=0x1D73B, [0x03B7]=0x1D73C, [0x03B8]=0x1D73D, [0x03B9]=0x1D73E, [0x03BA]=0x1D73F, + [0x03BB]=0x1D740, [0x03BC]=0x1D741, [0x03BD]=0x1D742, [0x03BE]=0x1D743, [0x03BF]=0x1D744, + [0x03C0]=0x1D745, [0x03C1]=0x1D746, [0x03C2]=0x1D747, [0x03C3]=0x1D748, [0x03C4]=0x1D749, + [0x03C5]=0x1D74A, [0x03C6]=0x1D74B, [0x03C7]=0x1D74C, [0x03C8]=0x1D74D, [0x03C9]=0x1D74E, + [0x03D1]=0x1D751, [0x03D5]=0x1D753, [0x03D6]=0x1D755, [0x03F0]=0x1D752, [0x03F1]=0x1D754, + [0x03F4]=0x1D72D, [0x03F5]=0x1D750, + }, + symbols = { + [0x2202]=0x1D74F, [0x2207]=0x1D735, + }, + }, + }, + sansserif = { + tf = { + digits = 0x1D7E2, + ucletters = 0x1D5A0, + lcletters = 0x1D5BA, + }, + it = { + ucletters = 0x1D608, + lcletters = 0x1D622, + }, + bf = { + digits = 0x1D7EC, + ucletters = 0x1D5D4, + lcletters = 0x1D5EE, + ucgreek = { + [0x0391]=0x1D756, [0x0392]=0x1D757, [0x0393]=0x1D758, [0x0394]=0x1D759, [0x0395]=0x1D75A, + [0x0396]=0x1D75B, [0x0397]=0x1D75C, [0x0398]=0x1D75D, [0x0399]=0x1D75E, [0x039A]=0x1D75F, + [0x039B]=0x1D760, [0x039C]=0x1D761, [0x039D]=0x1D762, [0x039E]=0x1D763, [0x039F]=0x1D764, + [0x03A0]=0x1D765, [0x03A1]=0x1D766, [0x03A3]=0x1D768, [0x03A4]=0x1D769, [0x03A5]=0x1D76A, + [0x03A6]=0x1D76B, [0x03A7]=0x1D76C, [0x03A8]=0x1D76D, [0x03A9]=0x1D76E, + }, + lcgreek = { + [0x03B1]=0x1D770, [0x03B2]=0x1D771, [0x03B3]=0x1D772, [0x03B4]=0x1D773, [0x03B5]=0x1D774, + [0x03B6]=0x1D775, [0x03B7]=0x1D776, [0x03B8]=0x1D777, [0x03B9]=0x1D778, [0x03BA]=0x1D779, + [0x03BB]=0x1D77A, [0x03BC]=0x1D77B, [0x03BD]=0x1D77C, [0x03BE]=0x1D77D, [0x03BF]=0x1D77E, + [0x03C0]=0x1D77F, [0x03C1]=0x1D780, [0x03C2]=0x1D781, [0x03C3]=0x1D782, [0x03C4]=0x1D783, + [0x03C5]=0x1D784, [0x03C6]=0x1D785, [0x03C7]=0x1D786, [0x03C8]=0x1D787, [0x03C9]=0x1D788, + [0x03D1]=0x1D78B, [0x03D5]=0x1D78D, [0x03D6]=0x1D78F, [0x03F0]=0x1D78C, [0x03F1]=0x1D78E, + [0x03F4]=0x1D767, [0x03F5]=0x1D78A, + }, + symbols = { + [0x2202]=0x1D789, [0x2207]=0x1D76F, + }, + }, + bi = { + ucletters = 0x1D63C, + lcletters = 0x1D656, + ucgreek = { + [0x0391]=0x1D790, [0x0392]=0x1D791, [0x0393]=0x1D792, [0x0394]=0x1D793, [0x0395]=0x1D794, + [0x0396]=0x1D795, [0x0397]=0x1D796, [0x0398]=0x1D797, [0x0399]=0x1D798, [0x039A]=0x1D799, + [0x039B]=0x1D79A, [0x039C]=0x1D79B, [0x039D]=0x1D79C, [0x039E]=0x1D79D, [0x039F]=0x1D79E, + [0x03A0]=0x1D79F, [0x03A1]=0x1D7A0, [0x03A3]=0x1D7A2, [0x03A4]=0x1D7A3, [0x03A5]=0x1D7A4, + [0x03A6]=0x1D7A5, [0x03A7]=0x1D7A6, [0x03A8]=0x1D7A7, [0x03A9]=0x1D7A8, + }, + lcgreek = { + [0x03B1]=0x1D7AA, [0x03B2]=0x1D7AB, [0x03B3]=0x1D7AC, [0x03B4]=0x1D7AD, [0x03B5]=0x1D7AE, + [0x03B6]=0x1D7AF, [0x03B7]=0x1D7B0, [0x03B8]=0x1D7B1, [0x03B9]=0x1D7B2, [0x03BA]=0x1D7B3, + [0x03BB]=0x1D7B4, [0x03BC]=0x1D7B5, [0x03BD]=0x1D7B6, [0x03BE]=0x1D7B7, [0x03BF]=0x1D7B8, + [0x03C0]=0x1D7B9, [0x03C1]=0x1D7BA, [0x03C2]=0x1D7BB, [0x03C3]=0x1D7BC, [0x03C4]=0x1D7BD, + [0x03C5]=0x1D7BE, [0x03C6]=0x1D7BF, [0x03C7]=0x1D7C0, [0x03C8]=0x1D7C1, [0x03C9]=0x1D7C2, + [0x03D1]=0x1D7C5, [0x03D5]=0x1D7C7, [0x03D6]=0x1D7C9, [0x03F0]=0x1D7C6, [0x03F1]=0x1D7C8, + [0x03F4]=0x1D7A1, [0x03F5]=0x1D7C4, + }, + symbols = { + [0x2202]=0x1D7C3, [0x2207]=0x1D7A9, + }, + }, + }, + monospaced = { + tf = { + digits = 0x1D7F6, + ucletters = 0x1D670, + lcletters = 0x1D68A, + }, + }, + blackboard = { -- ok + tf = { + digits = 0x1D7D8, + ucletters = { -- C H N P Q R Z + [0x00041]=0x1D538, [0x00042]=0x1D539, [0x00043]=0x02102, [0x00044]=0x1D53B, [0x00045]=0x1D53C, + [0x00046]=0x1D53D, [0x00047]=0x1D53E, [0x00048]=0x0210D, [0x00049]=0x1D540, [0x0004A]=0x1D541, + [0x0004B]=0x1D542, [0x0004C]=0x1D543, [0x0004D]=0x1D544, [0x0004E]=0x02115, [0x0004F]=0x1D546, + [0x00050]=0x02119, [0x00051]=0x0211A, [0x00052]=0x0211D, [0x00053]=0x1D54A, [0x00054]=0x1D54B, + [0x00055]=0x1D54C, [0x00056]=0x1D54D, [0x00057]=0x1D54E, [0x00058]=0x1D54F, [0x00059]=0x1D550, + [0x0005A]=0x02124, + }, + lcletters = 0x1D552, + lcgreek = { -- gamma pi + [0x03B3]=0x0213C, [0x03C0]=0x0213D, + }, + ucgreek = { -- Gamma pi + [0x0393]=0x0213E, [0x03A0]=0x0213F, + }, + symbols = { -- sum + [0x2211]=0x02140, + }, + }, + }, + fraktur = { -- ok + tf= { + ucletters = { -- C H I R Z + [0x00041]=0x1D504, [0x00042]=0x1D505, [0x00043]=0x0212D, [0x00044]=0x1D507, [0x00045]=0x1D508, + [0x00046]=0x1D509, [0x00047]=0x1D50A, [0x00048]=0x0210C, [0x00049]=0x02111, [0x0004A]=0x1D50D, + [0x0004B]=0x1D50E, [0x0004C]=0x1D50F, [0x0004D]=0x1D510, [0x0004E]=0x1D511, [0x0004F]=0x1D512, + [0x00050]=0x1D513, [0x00051]=0x1D514, [0x00052]=0x0211C, [0x00053]=0x1D516, [0x00054]=0x1D517, + [0x00055]=0x1D518, [0x00056]=0x1D519, [0x00057]=0x1D51A, [0x00058]=0x1D51B, [0x00059]=0x1D51C, + [0x0005A]=0x02128, + }, + lcletters = 0x1D51E, + }, + bf = { + ucletters = 0x1D56C, + lcletters = 0x1D586, + }, + }, + script = { + tf= { + ucletters = { -- B E F H I L M R -- P 2118 + [0x00041]=0x1D49C, [0x00042]=0x0212C, [0x00043]=0x1D49E, [0x00044]=0x1D49F, [0x00045]=0x02130, + [0x00046]=0x02131, [0x00047]=0x1D4A2, [0x00048]=0x0210B, [0x00049]=0x02110, [0x0004A]=0x1D4A5, + [0x0004B]=0x1D4A6, [0x0004C]=0x02112, [0x0004D]=0x02133, [0x0004E]=0x1D4A9, [0x0004F]=0x1D4AA, + [0x00050]=0x1D4AB, [0x00051]=0x1D4AC, [0x00052]=0x0211B, [0x00053]=0x1D4AE, [0x00054]=0x1D4AF, + [0x00055]=0x1D4B0, [0x00056]=0x1D4B1, [0x00057]=0x1D4B2, [0x00058]=0x1D4B3, [0x00059]=0x1D4B4, + [0x0005A]=0x1D4B5, + }, + lcletters = { -- E G O -- L 2113 + [0x00061]=0x1D4B6, [0x00062]=0x1D4B7, [0x00063]=0x1D4B8, [0x00064]=0x1D4B9, [0x00065]=0x0212F, + [0x00066]=0x1D4BB, [0x00067]=0x0210A, [0x00068]=0x1D4BD, [0x00069]=0x1D4BE, [0x0006A]=0x1D4BF, + [0x0006B]=0x1D4C0, [0x0006C]=0x1D4C1, [0x0006D]=0x1D4C2, [0x0006E]=0x1D4C3, [0x0006F]=0x02134, + [0x00070]=0x1D4C5, [0x00071]=0x1D4C6, [0x00072]=0x1D4C7, [0x00073]=0x1D4C8, [0x00074]=0x1D4C9, + [0x00075]=0x1D4CA, [0x00076]=0x1D4CB, [0x00077]=0x1D4CC, [0x00078]=0x1D4CD, [0x00079]=0x1D4CE, + [0x0007A]=0x1D4CF, + } + }, + bf = { + ucletters = 0x1D4D0, + lcletters = 0x1D4EA, + }, + }, +} + +local alphabets = mathematics.alphabets +local mathremap = { } + +for alphabet, styles in next, alphabets do + for style, data in next, styles do + -- let's keep the long names (for tracing) + local n = #mathremap + 1 + data.attribute = n + data.alphabet = alphabet + data.style = style + mathremap[n] = data + end +end + +-- beware, these are shared tables (no problem since they're not +-- in unicode) + +alphabets.regular.it.digits = alphabets.regular.tf.digits +alphabets.regular.bi.digits = alphabets.regular.bf.digits + +alphabets.sansserif.tf.symbols = alphabets.regular.tf.symbols +alphabets.sansserif.tf.lcgreek = alphabets.regular.tf.lcgreek +alphabets.sansserif.tf.ucgreek = alphabets.regular.tf.ucgreek +alphabets.sansserif.tf.digits = alphabets.regular.tf.digits +alphabets.sansserif.it.symbols = alphabets.regular.tf.symbols +alphabets.sansserif.it.lcgreek = alphabets.regular.tf.lcgreek +alphabets.sansserif.it.ucgreek = alphabets.regular.tf.ucgreek +alphabets.sansserif.bi.digits = alphabets.regular.bf.digits + +alphabets.monospaced.tf.symbols = alphabets.sansserif.tf.symbols +alphabets.monospaced.tf.lcgreek = alphabets.sansserif.tf.lcgreek +alphabets.monospaced.tf.ucgreek = alphabets.sansserif.tf.ucgreek +alphabets.monospaced.it = alphabets.sansserif.tf +alphabets.monospaced.bf = alphabets.sansserif.tf +alphabets.monospaced.bi = alphabets.sansserif.bf + +alphabets.blackboard.tf.symbols = table.merge(alphabets.regular.tf.symbols, alphabets.blackboard.tf.symbols) +alphabets.blackboard.tf.lcgreek = table.merge(alphabets.regular.tf.lcgreek, alphabets.blackboard.tf.lcgreek) +alphabets.blackboard.tf.ucgreek = table.merge(alphabets.regular.tf.ucgreek, alphabets.blackboard.tf.ucgreek) + +alphabets.blackboard.it = alphabets.blackboard.tf +alphabets.blackboard.bf = alphabets.blackboard.tf +alphabets.blackboard.bi = alphabets.blackboard.bf + +alphabets.fraktur.tf.digits = alphabets.regular.tf.digits +alphabets.fraktur.tf.symbols = alphabets.regular.tf.symbols +alphabets.fraktur.tf.lcgreek = alphabets.regular.tf.lcgreek +alphabets.fraktur.tf.ucgreek = alphabets.regular.tf.ucgreek +alphabets.fraktur.bf.digits = alphabets.regular.bf.digits +alphabets.fraktur.bf.symbols = alphabets.regular.bf.symbols +alphabets.fraktur.bf.lcgreek = alphabets.regular.bf.lcgreek +alphabets.fraktur.bf.ucgreek = alphabets.regular.bf.ucgreek +alphabets.fraktur.it = alphabets.fraktur.tf +alphabets.fraktur.bi = alphabets.fraktur.bf + +alphabets.script.tf.digits = alphabets.regular.tf.digits +alphabets.script.tf.symbols = alphabets.regular.tf.symbols +alphabets.script.tf.lcgreek = alphabets.regular.tf.lcgreek +alphabets.script.tf.ucgreek = alphabets.regular.tf.ucgreek +alphabets.script.bf.digits = alphabets.regular.bf.digits +alphabets.script.bf.symbols = alphabets.regular.bf.symbols +alphabets.script.bf.lcgreek = alphabets.regular.bf.lcgreek +alphabets.script.bf.ucgreek = alphabets.regular.bf.ucgreek +alphabets.script.it = alphabets.script.tf +alphabets.script.bi = alphabets.script.bf + +alphabets.tt = alphabets.monospaced +alphabets.ss = alphabets.sansserif +alphabets.rm = alphabets.regular +alphabets.bb = alphabets.blackboard +alphabets.fr = alphabets.fraktur +alphabets.sr = alphabets.script + +alphabets.serif = alphabets.regular +alphabets.type = alphabets.monospaced +alphabets.teletype = alphabets.monospaced + +function mathematics.to_a_style(attribute) + local r = mathremap[attribute] + return r and r.style or "tf" +end + +function mathematics.to_a_name(attribute) + local r = mathremap[attribute] + return r and r.alphabet or "regular" +end + +-- of course we could do some div/mod trickery instead + +local mathalphabet = attributes.private("mathalphabet") + +function mathematics.sync_a_both(alphabet,style) + local data = alphabets[alphabet or "regular"] or alphabets.regular + data = data[style or "tf"] or data.tf + texattribute[mathalphabet] = data and data.attribute or texattribute[mathalphabet] +end + +function mathematics.sync_a_style(style) +--~ local r = mathremap[mathalphabet] + local r = mathremap[texattribute[mathalphabet]] + local alphabet = r and r.alphabet or "regular" + local data = alphabets[alphabet][style] + texattribute[mathalphabet] = data and data.attribute or texattribute[mathalphabet] +end + +function mathematics.sync_a_name(alphabet) +--~ local r = mathremap[mathalphabet] + local r = mathremap[texattribute[mathalphabet]] + local style = r and r.style or "tf" + local data = alphabets[alphabet][style] + texattribute[mathalphabet] = data and data.attribute or texattribute[mathalphabet] +end + +local issymbol = mathematics.alphabets.regular.tf.symbols +local islcgreek = mathematics.alphabets.regular.tf.lcgreek +local isucgreek = mathematics.alphabets.regular.tf.ucgreek + +local remapping = { + [1] = { what = "unchanged" }, -- upright + [2] = { what = "upright", it = "tf", bi = "bf" }, -- upright + [3] = { what = "italic", tf = "it", bf = "bi" }, -- italic +} + +function mathematics.remap_alphabets(char,mathalphabet,mathgreek) + if mathgreek > 0 then + local lc, uc = floor(mathgreek/10), mathgreek % 10 -- 2 == upright 3 == italic + if lc > 1 or uc > 1 then + local islc, isuc = islcgreek[char] and lc, isucgreek[char] and uc + if islc or isuc then + local r = mathremap[mathalphabet] -- what if 0 + local alphabet = r and r.alphabet or "regular" + local style = r and r.style or "tf" + if trace_greek then + logs.report("math","before: char: %05X, alphabet: %s %s, lcgreek: %s, ucgreek: %s",char,alphabet,style,remapping[lc].what,remapping[uc].what) + end + local s = remapping[islc or isuc][style] + if s then + local data = alphabets[alphabet][s] + mathalphabet, style = data and data.attribute or mathalphabet, s + end + if trace_greek then + logs.report("math","after : char: %05X, alphabet: %s %s, lcgreek: %s, ucgreek: %s",char,alphabet,style,remapping[lc].what,remapping[uc].what) + end + end + end + end + if mathalphabet > 0 then + local newchar + local offset = mathremap[mathalphabet] + if not offset then + -- nothing to remap + elseif char >= 0x030 and char <= 0x039 then + local o = offset.digits + newchar = (type(o) == "table" and (o[char] or char)) or (char - 0x030 + o) + elseif char >= 0x041 and char <= 0x05A then + local o = offset.ucletters + newchar = (type(o) == "table" and (o[char] or char)) or (char - 0x041 + o) + elseif char >= 0x061 and char <= 0x07A then + local o = offset.lcletters + newchar = (type(o) == "table" and (o[char] or char)) or (char - 0x061 + o) + elseif islcgreek[char] then + newchar = offset.lcgreek[char] + elseif isucgreek[char] then + newchar = offset.ucgreek[char] + elseif issymbol[char] then + newchar = offset.symbols[char] + end + return newchar ~= char and newchar + end + return nil +end |