241 lines
7.4 KiB
Awk
241 lines
7.4 KiB
Awk
# See LICENSE file for copyright and license details.
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BEGIN {
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FS = ";"
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# set up hexadecimal lookup table
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for(i = 0; i < 16; i++)
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hex[sprintf("%X",i)] = i;
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HEADER = "/* Automatically generated by mkrunetype.awk */\n#include <stdlib.h>\n\n#include \"../utf.h\"\n#include \"runetype.h\"\n"
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HEADER_OTHER = "/* Automatically generated by mkrunetype.awk */\n#include \"../utf.h\"\n#include \"runetype.h\"\n"
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}
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$3 ~ /^L/ { alphav[alphac++] = $1; }
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($3 ~ /^Z/) || ($5 == "WS") || ($5 == "S") || ($5 == "B") { spacev[spacec++] = $1; }
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$3 == "Cc" { cntrlv[cntrlc++] = $1; }
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$3 == "Lu" { upperv[upperc++] = $1; tolowerv[uppercc++] = ($14 == "") ? $1 : $14; }
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$3 == "Ll" { lowerv[lowerc++] = $1; toupperv[lowercc++] = ($13 == "") ? $1 : $13; }
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$3 == "Lt" { titlev[titlec++] = $1; }
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$3 == "Nd" { digitv[digitc++] = $1; }
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END {
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system("rm -f isalpharune.c isspacerune.c iscntrlrune.c upperrune.c lowerrune.c istitlerune.c isdigitrune.c");
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mkis("alpha", alphav, alphac, "isalpharune.c", q, "");
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mkis("space", spacev, spacec, "isspacerune.c", q, "");
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mkis("cntrl", cntrlv, cntrlc, "iscntrlrune.c", q, "");
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mkis("upper", upperv, upperc, "upperrune.c", tolowerv, "lower");
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mkis("lower", lowerv, lowerc, "lowerrune.c", toupperv, "upper");
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mkis("title", titlev, titlec, "istitlerune.c", q, "");
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mkis("digit", digitv, digitc, "isdigitrune.c", q, "");
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system("rm -f isalnumrune.c isblankrune.c isprintrune.c isgraphrune.c ispunctrune.c isxdigitrune.c");
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otheris();
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}
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# parse hexadecimal rune index to int
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function code(s) {
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x = 0;
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for(i = 1; i <= length(s); i++) {
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c = substr(s, i, 1);
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x = (x*16) + hex[c];
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}
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return x;
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}
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# generate 'is<name>rune' unicode lookup function
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function mkis(name, runev, runec, file, casev, casename) {
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rune1c = 0;
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rune2c = 0;
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rune3c = 0;
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rune4c = 0;
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mode = 1;
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#sort rune groups into singletons, ranges and laces
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for(j = 0; j < runec; j++) {
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# range
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if(code(runev[j+1]) == code(runev[j])+1 && ((length(casev) == 0) ||
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code(casev[j+1]) == code(casev[j])+1) && j+1 < runec) {
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if (mode == 2) {
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continue;
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} else if (mode == 3) {
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rune3v1[rune3c] = runev[j];
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rune3c++;
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} else if (mode == 4) {
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rune4v1[rune4c] = runev[j];
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rune4c++;
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}
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mode = 2;
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rune2v0[rune2c] = runev[j];
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if(length(casev) > 0) {
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case2v[rune2c] = casev[j];
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}
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continue;
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}
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# lace 1
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if(code(runev[j+1]) == code(runev[j])+2 && ((length(casev) == 0) ||
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(code(casev[j+1]) == code(runev[j+1])+1 && code(casev[j]) == code(runev[j])+1)) &&
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j+1 < runec) {
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if (mode == 3) {
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continue;
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} else if (mode == 2) {
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rune2v1[rune2c] = runev[j];
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rune2c++;
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} else if (mode == 4) {
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rune4v1[rune2c] = runev[j];
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rune4c++;
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}
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mode = 3;
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rune3v0[rune3c] = runev[j];
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continue;
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}
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# lace 2
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if(code(runev[j+1]) == code(runev[j])+2 && ((length(casev) == 0) ||
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(code(casev[j+1]) == code(runev[j+1])-1 && code(casev[j]) == code(runev[j])-1)) &&
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j+1 < runec) {
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if (mode == 4) {
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continue;
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} else if (mode == 2) {
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rune2v1[rune2c] = runev[j];
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rune2c++;
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} else if (mode == 3) {
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rune3v1[rune2c] = runev[j];
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rune3c++;
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}
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mode = 4;
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rune4v0[rune4c] = runev[j];
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continue;
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}
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# terminating case
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if (mode == 1) {
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rune1v[rune1c] = runev[j];
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if (length(casev) > 0) {
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case1v[rune1c] = casev[j];
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}
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rune1c++;
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} else if (mode == 2) {
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rune2v1[rune2c] = runev[j];
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rune2c++;
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} else if (mode == 3) {
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rune3v1[rune3c] = runev[j];
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rune3c++;
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} else { #lace 2
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rune4v1[rune4c] = runev[j];
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rune4c++;
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}
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mode = 1;
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}
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print HEADER > file;
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#generate list of laces 1
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if(rune3c > 0) {
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print "static Rune "name"3[][2] = {" > file;
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for(j = 0; j < rune3c; j++) {
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print "\t{ 0x"rune3v0[j]", 0x"rune3v1[j]" }," > file;
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}
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print "};\n" > file;
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}
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#generate list of laces 2
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if(rune4c > 0) {
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print "static Rune "name"4[][2] = {" > file;
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for(j = 0; j < rune4c; j++) {
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print "\t{ 0x"rune4v0[j]", 0x"rune4v1[j]" }," > file;
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}
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print "};\n" > file;
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}
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# generate list of ranges
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if(rune2c > 0) {
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if(length(casev) > 0) {
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print "static Rune "name"2[][3] = {" > file;
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for(j = 0; j < rune2c; j++) {
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print "\t{ 0x"rune2v0[j]", 0x"rune2v1[j]", 0x"case2v[j]" }," > file;
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}
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} else {
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print "static Rune "name"2[][2] = {" > file
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for(j = 0; j < rune2c; j++) {
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print "\t{ 0x"rune2v0[j]", 0x"rune2v1[j]" }," > file;
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}
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}
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print "};\n" > file;
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}
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# generate list of singletons
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if(rune1c > 0) {
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if(length(casev) > 0) {
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print "static Rune "name"1[][2] = {" > file;
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for(j = 0; j < rune1c; j++) {
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print "\t{ 0x"rune1v[j]", 0x"case1v[j]" }," > file;
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}
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} else {
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print "static Rune "name"1[] = {" > file;
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for(j = 0; j < rune1c; j++) {
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print "\t0x"rune1v[j]"," > file;
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}
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}
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print "};\n" > file;
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}
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# generate lookup function
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print "int\nis"name"rune(Rune r)\n{" > file;
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if(rune4c > 0 || rune3c > 0)
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print "\tRune *match;\n" > file;
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if(rune4c > 0) {
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print "\tif((match = bsearch(&r, "name"4, nelem("name"4), sizeof *"name"4, &rune2cmp)))" > file;
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print "\t\treturn !((r - match[0]) % 2);" > file;
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}
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if(rune3c > 0) {
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print "\tif((match = bsearch(&r, "name"3, nelem("name"3), sizeof *"name"3, &rune2cmp)))" > file;
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print "\t\treturn !((r - match[0]) % 2);" > file;
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}
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if(rune2c > 0) {
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print "\tif(bsearch(&r, "name"2, nelem("name"2), sizeof *"name"2, &rune2cmp))\n\t\treturn 1;" > file;
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}
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if(rune1c > 0) {
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print "\tif(bsearch(&r, "name"1, nelem("name"1), sizeof *"name"1, &rune1cmp))\n\t\treturn 1;" > file;
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}
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print "\treturn 0;\n}" > file;
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# generate case conversion function
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if(length(casev) > 0) {
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print "\nint\nto"casename"rune(Rune r)\n{\n\tRune *match;\n" > file;
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if(rune4c > 0) {
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print "\tmatch = bsearch(&r, "name"4, nelem("name"4), sizeof *"name"4, &rune2cmp);" > file;
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print "\tif (match)" > file;
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print "\t\treturn ((r - match[0]) % 2) ? r : r - 1;" > file;
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}
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if(rune3c > 0) {
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print "\tmatch = bsearch(&r, "name"3, nelem("name"3), sizeof *"name"3, &rune2cmp);" > file;
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print "\tif (match)" > file;
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print "\t\treturn ((r - match[0]) % 2) ? r : r + 1;" > file;
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}
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if(rune2c > 0) {
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print "\tmatch = bsearch(&r, "name"2, nelem("name"2), sizeof *"name"2, &rune2cmp);" > file;
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print "\tif (match)" > file;
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print "\t\treturn match[2] + (r - match[0]);" > file;
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}
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if(rune1c > 0) {
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print "\tmatch = bsearch(&r, "name"1, nelem("name"1), sizeof *"name"1, &rune1cmp);" > file;
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print "\tif (match)" > file;
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print "\t\treturn match[1];" > file;
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}
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print "\treturn r;\n}" > file;
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}
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}
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function otheris() {
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print HEADER_OTHER > "isalnumrune.c";
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print "int\nisalnumrune(Rune r)\n{\n\treturn isalpharune(r) || isdigitrune(r);\n}" > "isalnumrune.c";
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print HEADER_OTHER > "isblankrune.c";
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print "int\nisblankrune(Rune r)\n{\n\treturn r == ' ' || r == '\\t';\n}" > "isblankrune.c";
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print HEADER_OTHER > "isprintrune.c";
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print "int\nisprintrune(Rune r)\n{\n\treturn !iscntrlrune(r) && (r != 0x2028) && (r != 0x2029) &&" > "isprintrune.c";
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print "\t ((r < 0xFFF9) || (r > 0xFFFB));\n}" > "isprintrune.c";
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print HEADER_OTHER > "isgraphrune.c";
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print "int\nisgraphrune(Rune r)\n{\n\treturn !isspacerune(r) && isprintrune(r);\n}" > "isgraphrune.c";
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print HEADER_OTHER > "ispunctrune.c";
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print "int\nispunctrune(Rune r)\n{\n\treturn isgraphrune(r) && !isalnumrune(r);\n}" > "ispunctrune.c";
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print HEADER_OTHER > "isxdigitrune.c";
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print "int\nisxdigitrune(Rune r)\n{\n\treturn (r >= '0' && (r - '0') < 10) || (r >= 'a' && (r - 'a') < 6);\n}" > "isxdigitrune.c";
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}
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