#define MAXSTRING 256
-int main(int argc, char **argv) {
+int
+main (int argc, char **argv)
+{
int i; /* loop variable */
/*
if (argc != 3) {
- fprintf(stderr, "\n\nUsage: %s <unifont-file.hex> <combining.txt>\n\n");
- exit(EXIT_FAILURE);
+ fprintf (stderr, "\n\nUsage: %s <unifont-file.hex> <combining.txt>\n\n");
+ exit (EXIT_FAILURE);
}
*/
/*
Read the collection of hex glyphs.
*/
- if ((infilefp = fopen(argv[1],"r")) == NULL) {
- fprintf(stderr,"ERROR - hex input file %s not found.\n\n", argv[1]);
- exit(EXIT_FAILURE);
+ if ((infilefp = fopen (argv[1],"r")) == NULL) {
+ fprintf (stderr,"ERROR - hex input file %s not found.\n\n", argv[1]);
+ exit (EXIT_FAILURE);
}
- memset(plane0width, 0, 0x10000 * sizeof(char));
+ memset (plane0width, 0, 0x10000 * sizeof (char));
teststring[MAXSTRING] = '\0';
- while (fgets(teststring, MAXSTRING-1, infilefp) != NULL) {
- sscanf(teststring, "%X", &loc);
- gstart = index(teststring,':') + 1;
- plane0width[loc] = strlen(gstart) <= 34 ? 1 : 2;
+ while (fgets (teststring, MAXSTRING-1, infilefp) != NULL) {
+ sscanf (teststring, "%X", &loc);
+ gstart = index (teststring,':') + 1;
+ plane0width[loc] = strlen (gstart) <= 34 ? 1 : 2;
}
- fclose(infilefp);
+ fclose (infilefp);
/*
Now read the combining character code points. These have width of 0.
*/
- if ((infilefp = fopen(argv[2],"r")) == NULL) {
- fprintf(stderr,"ERROR - combining characters file %s not found.\n\n", argv[2]);
- exit(EXIT_FAILURE);
+ if ((infilefp = fopen (argv[2],"r")) == NULL) {
+ fprintf (stderr,"ERROR - combining characters file %s not found.\n\n", argv[2]);
+ exit (EXIT_FAILURE);
}
- while (fscanf(infilefp, "%X", &loc) != EOF) plane0width[loc] = 0;
+ while (fscanf (infilefp, "%X", &loc) != EOF) plane0width[loc] = 0;
- fclose(infilefp);
+ fclose (infilefp);
/*
Code Points with Unusual Properties (Unicode Standard, Chapter 4)
/*
Now generate the output file.
*/
- printf("/*\n");
- printf(" wcwidth() and wcswidth() functions, as per IEEE 1003.1-2008\n");
- printf(" System Interfaces, pp. 2241 and 2251.\n\n");
- printf(" Author: Paul Hardy, 2013\n\n");
- printf(" Copyright (c) 2013 Paul Hardy\n\n");
- printf(" LICENSE:\n");
- printf("\n");
- printf(" This program is free software: you can redistribute it and/or modify\n");
- printf(" it under the terms of the GNU General Public License as published by\n");
- printf(" the Free Software Foundation, either version 2 of the License, or\n");
- printf(" (at your option) any later version.\n");
- printf("\n");
- printf(" This program is distributed in the hope that it will be useful,\n");
- printf(" but WITHOUT ANY WARRANTY; without even the implied warranty of\n");
- printf(" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n");
- printf(" GNU General Public License for more details.\n");
- printf("\n");
- printf(" You should have received a copy of the GNU General Public License\n");
- printf(" along with this program. If not, see <http://www.gnu.org/licenses/>.\n");
- printf("*/\n\n");
-
- printf("#include <wchar.h>\n\n");
- printf("#define PLANE1_ZEROES 177\n\n");
- printf("\n\n");
- printf("/* wcwidth() -- return charcell positions of one code point */\n");
- printf("inline int wcwidth(wchar_t wc) {\n");
- printf(" return(wcswidth(&wc, 1));\n");
- printf("}\n");
- printf("\n\n");
- printf("int wcswidth(const wchar_t *pwcs, size_t n) {\n\n");
- printf(" int i; /* loop variable */\n");
- printf(" unsigned codept; /* Unicode code point of current character */\n");
- printf(" unsigned plane; /* Unicode plane, 0x00..0x10 */\n");
- printf(" unsigned lower16; /* lower 16 bits of Unicode code point */\n");
- printf(" int lowpt, midpt, highpt; /* for binary searching in plane1zeroes[] */\n");
- printf(" int found; /* for binary searching in plane1zeroes[] */\n");
- printf(" int totalwidth; /* total width of string, in charcells (1 or 2/glyph) */\n");
- printf(" int illegalchar; /* Whether or not tihs code point is illegal */\n");
- putchar('\n');
+ printf ("/*\n");
+ printf (" wcwidth and wcswidth functions, as per IEEE 1003.1-2008\n");
+ printf (" System Interfaces, pp. 2241 and 2251.\n\n");
+ printf (" Author: Paul Hardy, 2013\n\n");
+ printf (" Copyright (c) 2013 Paul Hardy\n\n");
+ printf (" LICENSE:\n");
+ printf ("\n");
+ printf (" This program is free software: you can redistribute it and/or modify\n");
+ printf (" it under the terms of the GNU General Public License as published by\n");
+ printf (" the Free Software Foundation, either version 2 of the License, or\n");
+ printf (" (at your option) any later version.\n");
+ printf ("\n");
+ printf (" This program is distributed in the hope that it will be useful,\n");
+ printf (" but WITHOUT ANY WARRANTY; without even the implied warranty of\n");
+ printf (" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n");
+ printf (" GNU General Public License for more details.\n");
+ printf ("\n");
+ printf (" You should have received a copy of the GNU General Public License\n");
+ printf (" along with this program. If not, see <http://www.gnu.org/licenses/>.\n");
+ printf ("*/\n\n");
+
+ printf ("#include <wchar.h>\n\n");
+ printf ("#define PLANE1_ZEROES 177\n\n");
+ printf ("\n\n");
+ printf ("/* wcwidth -- return charcell positions of one code point */\n");
+ printf ("inline int\nwcwidth (wchar_t wc)\n{\n");
+ printf (" return (wcswidth (&wc, 1));\n");
+ printf ("}\n");
+ printf ("\n\n");
+ printf ("int\nwcswidth (const wchar_t *pwcs, size_t n)\n{\n\n");
+ printf (" int i; /* loop variable */\n");
+ printf (" unsigned codept; /* Unicode code point of current character */\n");
+ printf (" unsigned plane; /* Unicode plane, 0x00..0x10 */\n");
+ printf (" unsigned lower16; /* lower 16 bits of Unicode code point */\n");
+ printf (" int lowpt, midpt, highpt; /* for binary searching in plane1zeroes[] */\n");
+ printf (" int found; /* for binary searching in plane1zeroes[] */\n");
+ printf (" int totalwidth; /* total width of string, in charcells (1 or 2/glyph) */\n");
+ printf (" int illegalchar; /* Whether or not tihs code point is illegal */\n");
+ putchar ('\n');
/*
Print the plane0width[] array for glyphs widths in the
Basic Multilingual Plane (Plane 0).
*/
- printf(" char plane0width[0x10000] = {");
+ printf (" char plane0width[0x10000] = {");
for (i = 0; i < 0x10000; i++) {
if ((i & 0x1F) == 0)
- printf("\n /* U+%04X */ ", i);
- printf("%d,", plane0width[i]);
+ printf ("\n /* U+%04X */ ", i);
+ printf ("%d,", plane0width[i]);
}
- printf("};\n\n");
+ printf ("};\n\n");
/*
Print wide zero-width glyph code points in the
Supplemental Lingual Plane (Plane 1).
*/
- printf("\n");
- printf(" /*\n");
- printf(" Zero-width code points in Supplemental Multilingual Plane\n");
- printf(" */\n");
- printf(" int plane1zeroes[PLANE1_ZEROES] = {\n");
- printf(" /* Phaistos Disc */\n");
- printf(" 0x0101FD,\n");
- printf(" /* Kharoshthi Combining Glyphs */\n");
- printf(" 0x010A01,0x010A02,0x010A03,0x010A05,0x010A06,0x010A0C,0x010A0D,\n");
- printf(" 0x010A0E,0x010A0F,0x010A38,0x010A39,0x010A3A,0x010A3F,\n");
- printf(" /* Brahmi Combining Glyphs */\n");
- printf(" 0x011000,0x011001,0x011002,0x011038,0x011039,0x01103A,0x01103B,\n");
- printf(" 0x01103C,0x01103D,0x01103E,0x01103F,0x011040,0x011041,0x011042,\n");
- printf(" 0x011043,0x011044,0x011045,0x011046,\n");
- printf(" /* Kaithi Combining Glyphs */\n");
- printf(" 0x011080,0x011081,0x011082,0x0110B0,0x0110B1,0x0110B2,0x0110B3,\n");
- printf(" 0x0110B4,0x0110B5,0x0110B6,0x0110B7,0x0110B8,0x0110B9,0x0110BA,\n");
- printf(" /* Chakma Combining Glyphs */\n");
- printf(" 0x011100,0x011101,0x011102,0x011127,0x011128,0x011129,0x01112A,\n");
- printf(" 0x01112B,0x01112C,0x01112D,0x01112E,0x01112F,0x011130,0x011131,\n");
- printf(" 0x011132,0x011133,0x011134,\n");
- printf(" /* Sharada Combining Glyphs */\n");
- printf(" 0x011180,0x011181,0x011182,0x0111B3,0x0111B4,0x0111B5,0x0111B6,\n");
- printf(" 0x0111B7,0x0111B8,0x0111B9,0x0111BA,0x0111BB,0x0111BC,0x0111BD,\n");
- printf(" 0x0111BE,0x0111BF,0x0111C0,\n");
- printf(" /* Takri Combining Glyphs */\n");
- printf(" 0x0116AB,0x0116AC,0x0116AD,0x0116AE,0x0116AF,0x0116B0,0x0116B1,\n");
- printf(" 0x0116B2,0x0116B3,0x0116B4,0x0116B5,0x0116B6,0x0116B7,\n");
- printf(" /* Miao Combining Glyphs */\n");
- printf(" 0x016F51,0x016F52,0x016F53,0x016F54,0x016F55,0x016F56,0x016F57,\n");
- printf(" 0x016F58,0x016F59,0x016F5A,0x016F5B,0x016F5C,0x016F5D,0x016F5E,\n");
- printf(" 0x016F5F,0x016F60,0x016F61,0x016F62,0x016F63,0x016F64,0x016F65,\n");
- printf(" 0x016F66,0x016F67,0x016F68,0x016F69,0x016F6A,0x016F6B,0x016F6C,\n");
- printf(" 0x016F6D,0x016F6E,0x016F6F,0x016F70,0x016F71,0x016F72,0x016F73,\n");
- printf(" 0x016F74,0x016F75,0x016F76,0x016F77,0x016F78,0x016F79,0x016F7A,\n");
- printf(" 0x016F7B,0x016F7C,0x016F7D,0x016F7E,\n");
- printf(" 0x016F8F,0x016F90,0x016F91,0x016F92,\n");
- printf(" /* Musical Symbols Combining Glyphs */\n");
- printf(" 0x01D159,0x01D165,0x01D166,0x01D167,0x01D168,0x01D169,0x01D16D,\n");
- printf(" 0x01D16E,0x01D16F,0x01D170,0x01D171,0x01D172,0x01D17B,0x01D17C,\n");
- printf(" 0x01D17D,0x01D17E,0x01D17F,0x01D180,0x01D181,0x01D182,0x01D185,\n");
- printf(" 0x01D186,0x01D187,0x01D188,0x01D189,0x01D18A,0x01D18B,0x01D1AA,\n");
- printf(" 0x01D1AB,0x01D1AC,0x01D1AD,\n");
- printf(" /* Ancient Greek Musical Notation */\n");
- printf(" 0x01D242,0x01D243,0x01D244\n");
- printf(" };\n\n");
+ printf ("\n");
+ printf (" /*\n");
+ printf (" Zero-width code points in Supplemental Multilingual Plane\n");
+ printf (" */\n");
+ printf (" int plane1zeroes[PLANE1_ZEROES] = {\n");
+ printf (" /* Phaistos Disc */\n");
+ printf (" 0x0101FD,\n");
+ printf (" /* Kharoshthi Combining Glyphs */\n");
+ printf (" 0x010A01,0x010A02,0x010A03,0x010A05,0x010A06,0x010A0C,0x010A0D,\n");
+ printf (" 0x010A0E,0x010A0F,0x010A38,0x010A39,0x010A3A,0x010A3F,\n");
+ printf (" /* Brahmi Combining Glyphs */\n");
+ printf (" 0x011000,0x011001,0x011002,0x011038,0x011039,0x01103A,0x01103B,\n");
+ printf (" 0x01103C,0x01103D,0x01103E,0x01103F,0x011040,0x011041,0x011042,\n");
+ printf (" 0x011043,0x011044,0x011045,0x011046,\n");
+ printf (" /* Kaithi Combining Glyphs */\n");
+ printf (" 0x011080,0x011081,0x011082,0x0110B0,0x0110B1,0x0110B2,0x0110B3,\n");
+ printf (" 0x0110B4,0x0110B5,0x0110B6,0x0110B7,0x0110B8,0x0110B9,0x0110BA,\n");
+ printf (" /* Chakma Combining Glyphs */\n");
+ printf (" 0x011100,0x011101,0x011102,0x011127,0x011128,0x011129,0x01112A,\n");
+ printf (" 0x01112B,0x01112C,0x01112D,0x01112E,0x01112F,0x011130,0x011131,\n");
+ printf (" 0x011132,0x011133,0x011134,\n");
+ printf (" /* Sharada Combining Glyphs */\n");
+ printf (" 0x011180,0x011181,0x011182,0x0111B3,0x0111B4,0x0111B5,0x0111B6,\n");
+ printf (" 0x0111B7,0x0111B8,0x0111B9,0x0111BA,0x0111BB,0x0111BC,0x0111BD,\n");
+ printf (" 0x0111BE,0x0111BF,0x0111C0,\n");
+ printf (" /* Takri Combining Glyphs */\n");
+ printf (" 0x0116AB,0x0116AC,0x0116AD,0x0116AE,0x0116AF,0x0116B0,0x0116B1,\n");
+ printf (" 0x0116B2,0x0116B3,0x0116B4,0x0116B5,0x0116B6,0x0116B7,\n");
+ printf (" /* Miao Combining Glyphs */\n");
+ printf (" 0x016F51,0x016F52,0x016F53,0x016F54,0x016F55,0x016F56,0x016F57,\n");
+ printf (" 0x016F58,0x016F59,0x016F5A,0x016F5B,0x016F5C,0x016F5D,0x016F5E,\n");
+ printf (" 0x016F5F,0x016F60,0x016F61,0x016F62,0x016F63,0x016F64,0x016F65,\n");
+ printf (" 0x016F66,0x016F67,0x016F68,0x016F69,0x016F6A,0x016F6B,0x016F6C,\n");
+ printf (" 0x016F6D,0x016F6E,0x016F6F,0x016F70,0x016F71,0x016F72,0x016F73,\n");
+ printf (" 0x016F74,0x016F75,0x016F76,0x016F77,0x016F78,0x016F79,0x016F7A,\n");
+ printf (" 0x016F7B,0x016F7C,0x016F7D,0x016F7E,\n");
+ printf (" 0x016F8F,0x016F90,0x016F91,0x016F92,\n");
+ printf (" /* Musical Symbols Combining Glyphs */\n");
+ printf (" 0x01D159,0x01D165,0x01D166,0x01D167,0x01D168,0x01D169,0x01D16D,\n");
+ printf (" 0x01D16E,0x01D16F,0x01D170,0x01D171,0x01D172,0x01D17B,0x01D17C,\n");
+ printf (" 0x01D17D,0x01D17E,0x01D17F,0x01D180,0x01D181,0x01D182,0x01D185,\n");
+ printf (" 0x01D186,0x01D187,0x01D188,0x01D189,0x01D18A,0x01D18B,0x01D1AA,\n");
+ printf (" 0x01D1AB,0x01D1AC,0x01D1AD,\n");
+ printf (" /* Ancient Greek Musical Notation */\n");
+ printf (" 0x01D242,0x01D243,0x01D244\n");
+ printf (" };\n\n");
/*
- Execution part of wcswidth().
+ Execution part of wcswidth.
*/
- printf("\n");
- printf(" illegalchar = totalwidth = 0;\n");
- printf(" for (i = 0; !illegalchar && i < n; i++) {\n");
- printf(" codept = pwcs[i];\n");
- printf(" plane = codept >> 16;\n");
- printf(" lower16 = codept & 0xFFFF;\n");
- printf(" if (plane == 0) { /* the most common case */\n");
- printf(" if (plane0width[lower16] < 0) illegalchar = 1;\n");
- printf(" else totalwidth += plane0width[lower16];\n");
- printf(" }\n");
- printf(" else { /* a higher plane or beyond Unicode range */\n");
- printf(" if (lower16 == 0xFFFE || lower16 == 0xFFFF) {\n");
- printf(" illegalchar = 1;\n");
- printf(" }\n");
- printf(" else if (plane > 0x10) {\n");
- printf(" illegalchar = 1;\n");
- printf(" }\n");
- printf(" else if (plane == 1) { /* Supplementary Multilingual Plane */\n");
- printf(" /*\n");
- printf(" Perform a binary search in plane1zeroes[] sparse list for\n");
- printf(" combining code points and other zero-width code points.\n");
- printf(" */\n");
- printf(" lowpt = 0;\n");
- printf(" highpt = PLANE1_ZEROES - 1;\n");
- printf("\n");
- printf(" while (lowpt < highpt) {\n");
- printf(" midpt = (lowpt + highpt) >> 1;\n");
- printf(" if (plane1zeroes[midpt] < codept)\n");
- printf(" lowpt = midpt + 1;\n");
- printf(" else if (plane1zeroes[midpt] > codept)\n");
- printf(" highpt = midpt - 1;\n");
- printf(" else\n");
- printf(" lowpt = highpt = midpt; /* found the match */\n");
- printf(" }\n");
- printf("\n");
- printf(" if (lowpt >= 0 && codept == plane1zeroes[lowpt]) {\n");
- printf(" found = 1;\n");
- printf(" }\n");
- printf(" else if (highpt < PLANE1_ZEROES && codept == plane1zeroes[highpt]) {\n");
- printf(" found = 1;\n");
- printf(" }\n");
- printf(" else {\n");
- printf(" found = 0;\n");
- printf(" }\n");
- printf("\n");
- printf(" if (!found) totalwidth += 2; /* default for SMP glyphs */\n");
- printf(" }\n");
- printf(" /* Other non-printing in higher planes; return -1 as per IEEE 1003.1-2008. */\n");
- printf(" else if (/* language tags */\n");
- printf(" codept == 0x0E0001 || (codept >= 0x0E0020 && codept <= 0x0E007F) ||\n");
- printf(" /* variation selectors, 0x0E0100..0x0E01EF */\n");
- printf(" (codept >= 0x0E0100 && codept <= 0x0E01EF)) {\n");
- printf(" illegalchar = 1;\n");
- printf(" }\n");
- printf(" /*\n");
- printf(" Unicode plane 0x02..0x10 printing character\n");
- printf(" */\n");
- printf(" else {\n");
- printf(" totalwidth += 2; /* default width of 2 charcells for legal glyphs */\n");
- printf(" }\n");
- printf("\n");
- printf(" }\n");
- printf(" }\n");
- printf(" if (illegalchar) totalwidth = -1;\n");
- printf("\n");
- printf(" return(totalwidth);\n");
- printf("\n");
- printf("}\n");
-
- exit(EXIT_SUCCESS);
+ printf ("\n");
+ printf (" illegalchar = totalwidth = 0;\n");
+ printf (" for (i = 0; !illegalchar && i < n; i++) {\n");
+ printf (" codept = pwcs[i];\n");
+ printf (" plane = codept >> 16;\n");
+ printf (" lower16 = codept & 0xFFFF;\n");
+ printf (" if (plane == 0) { /* the most common case */\n");
+ printf (" if (plane0width[lower16] < 0) illegalchar = 1;\n");
+ printf (" else totalwidth += plane0width[lower16];\n");
+ printf (" }\n");
+ printf (" else { /* a higher plane or beyond Unicode range */\n");
+ printf (" if (lower16 == 0xFFFE || lower16 == 0xFFFF) {\n");
+ printf (" illegalchar = 1;\n");
+ printf (" }\n");
+ printf (" else if (plane > 0x10) {\n");
+ printf (" illegalchar = 1;\n");
+ printf (" }\n");
+ printf (" else if (plane == 1) { /* Supplementary Multilingual Plane */\n");
+ printf (" /*\n");
+ printf (" Perform a binary search in plane1zeroes[] sparse list for\n");
+ printf (" combining code points and other zero-width code points.\n");
+ printf (" */\n");
+ printf (" lowpt = 0;\n");
+ printf (" highpt = PLANE1_ZEROES - 1;\n");
+ printf ("\n");
+ printf (" while (lowpt < highpt) {\n");
+ printf (" midpt = (lowpt + highpt) >> 1;\n");
+ printf (" if (plane1zeroes[midpt] < codept)\n");
+ printf (" lowpt = midpt + 1;\n");
+ printf (" else if (plane1zeroes[midpt] > codept)\n");
+ printf (" highpt = midpt - 1;\n");
+ printf (" else\n");
+ printf (" lowpt = highpt = midpt; /* found the match */\n");
+ printf (" }\n");
+ printf ("\n");
+ printf (" if (lowpt >= 0 && codept == plane1zeroes[lowpt]) {\n");
+ printf (" found = 1;\n");
+ printf (" }\n");
+ printf (" else if (highpt < PLANE1_ZEROES && codept == plane1zeroes[highpt]) {\n");
+ printf (" found = 1;\n");
+ printf (" }\n");
+ printf (" else {\n");
+ printf (" found = 0;\n");
+ printf (" }\n");
+ printf ("\n");
+ printf (" if (!found) totalwidth += 2; /* default for SMP glyphs */\n");
+ printf (" }\n");
+ printf (" /* Other non-printing in higher planes; return -1 as per IEEE 1003.1-2008. */\n");
+ printf (" else if (/* language tags */\n");
+ printf (" codept == 0x0E0001 || (codept >= 0x0E0020 && codept <= 0x0E007F) ||\n");
+ printf (" /* variation selectors, 0x0E0100..0x0E01EF */\n");
+ printf (" (codept >= 0x0E0100 && codept <= 0x0E01EF)) {\n");
+ printf (" illegalchar = 1;\n");
+ printf (" }\n");
+ printf (" /*\n");
+ printf (" Unicode plane 0x02..0x10 printing character\n");
+ printf (" */\n");
+ printf (" else {\n");
+ printf (" totalwidth += 2; /* default width of 2 charcells for legal glyphs */\n");
+ printf (" }\n");
+ printf ("\n");
+ printf (" }\n");
+ printf (" }\n");
+ printf (" if (illegalchar) totalwidth = -1;\n");
+ printf ("\n");
+ printf (" return (totalwidth);\n");
+ printf ("\n");
+ printf ("}\n");
+
+ exit (EXIT_SUCCESS);
}