kc3-lang/kc3/ucd2c/ucd2c.c

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• Hash : 001be29a
  Author : Thomas de Grivel
  Date : 2023-12-12T03:55:20
  

  unsigned long long -> unsigned long

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• ucd2c/ucd2c.c

• /* c3
   * Copyright 2022,2023 kmx.io <contact@kmx.io>
   *
   * Permission is hereby granted to use this software granted the above
   * copyright notice and this permission paragraph are included in all
   * copies and substantial portions of this software.
   *
   * THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
   * PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
   * AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
   * THIS SOFTWARE.
   */
  #include <assert.h>
  #include <err.h>
  #include <limits.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <unistd.h>
  #include "ucd.h"
  
  #define BUFSZ 1024
  
  unsigned long read_hex (const char **src) {
    unsigned long result = 0;
    char c;
    while ((c = **src) != '\0' && c != ';') {
      result *= 16;
      if ('0' <= c && c <= '9')
        result += c - '0';
      else if ('A' <= c && c <= 'F')
        result += c - 'A' + 10;
      else if ('a' <= c && c <= 'f')
        result += c - 'a' + 10;
      else
        errx(1, "invalid character in index: %c", c);
      (*src)++;
    }
    if (c == ';')
      (*src)++;
    return result;
  }
  
  void ucd_case (s_ucd ucd[UCD_MAX])
  {
    char *capital;
    unsigned long i;
    unsigned long j;
    char name[1024];
    for (i = 0; i < UCD_MAX; i++) {
      if (ucd[i].name &&
          (capital = strstr(ucd[i].name, " CAPITAL "))) {
        strlcpy(name, ucd[i].name, (capital - ucd[i].name) + 1);
        strlcat(name, " SMALL ", sizeof(name));
        strlcat(name, capital + strlen(" CAPITAL "), sizeof(name));
        for (j = 0; j < UCD_MAX; j++) {
          if (ucd[j].name &&
              strcmp(ucd[j].name, name) == 0) {
            ucd[i].to_lower = j;
            ucd[j].to_upper = i;
          }
        }
      }
    }
  }
  
  void ucd_parse (s_ucd ucd[UCD_MAX], char *line,
                  unsigned long lineno) {
    unsigned long i;
    char *p = NULL;
    char *sep;
    size_t size;
  #define UCD_PARSE_UNKNOWN_CATEGORY \
    warnx("line %lu: unknown category : %c%c", lineno, p[0], p[1])
    p = line;
    i = read_hex((const char **) &p);
    if (i >= UCD_MAX) {
      warnx("%lu > UCD_MAX", i);
      goto error;
    }
    ucd[i].flags = 0;
    if (! (sep = strchr(p, ';')))
      goto error;
    *sep = '\0';
    size = strlen(p) + 1;
    ucd[i].name = malloc(size);
    strlcpy(ucd[i].name, p, size);
    p = sep + 1;
    if (! (sep = strchr(p, ';')))
      goto error;
    while (p < sep) {
      switch (p[0]) {
      case 'L':
        ucd[i].flags |= UCD_LETTER;
        switch (p[1]) {
        case 'l': ucd[i].flags |= UCD_LETTER_LOWERCASE; break;
        case 'm': ucd[i].flags |= UCD_LETTER_MODIFIER; break;
        case 'o': ucd[i].flags |= UCD_LETTER_OTHER; break;
        case 't': ucd[i].flags |= UCD_LETTER_TITLECASE; break;
        case 'u': ucd[i].flags |= UCD_LETTER_UPPERCASE; break;
        default: UCD_PARSE_UNKNOWN_CATEGORY;
        }
        break;
      case 'M':
        ucd[i].flags |= UCD_MARK;
        switch (p[1]) {
        case 'c': ucd[i].flags |= UCD_MARK_COMBINING; break;
        case 'e': ucd[i].flags |= UCD_MARK_ENCLOSING; break;
        case 'n': ucd[i].flags |= UCD_MARK_NONSPACING; break;
        default: UCD_PARSE_UNKNOWN_CATEGORY;
        }
        break;
      case 'N':
        ucd[i].flags |= UCD_NUMBER;
        switch (p[1]) {
        case 'd': ucd[i].flags |= UCD_NUMBER_DECIMAL_DIGIT; break;
        case 'l': ucd[i].flags |= UCD_NUMBER_LETTER; break;
        case 'o': ucd[i].flags |= UCD_NUMBER_OTHER; break;
        default: UCD_PARSE_UNKNOWN_CATEGORY;
        }
        break;
      case 'P':
        ucd[i].flags |= UCD_PUNCTUATION;
        switch (p[1]) {
        case 'c': ucd[i].flags |= UCD_PUNCTUATION_CONNECTOR; break;
        case 'd': ucd[i].flags |= UCD_PUNCTUATION_DASH; break;
        case 's': ucd[i].flags |= UCD_PUNCTUATION_OPEN; break;
        case 'e': ucd[i].flags |= UCD_PUNCTUATION_CLOSE; break;
        case 'i': ucd[i].flags |= UCD_PUNCTUATION_INITIAL_QUOTE; break;
        case 'f': ucd[i].flags |= UCD_PUNCTUATION_FINAL_QUOTE; break;
        case 'o': ucd[i].flags |= UCD_PUNCTUATION_OTHER; break;
        default: UCD_PARSE_UNKNOWN_CATEGORY;
        }
        break;
      case 'S':
        ucd[i].flags |= UCD_SYMBOL;
        switch (p[1]) {
        case 'c': ucd[i].flags |= UCD_SYMBOL_CURRENCY; break;
        case 'k': ucd[i].flags |= UCD_SYMBOL_MODIFIER; break;
        case 'm': ucd[i].flags |= UCD_SYMBOL_MATH; break;
        case 'o': ucd[i].flags |= UCD_SYMBOL_OTHER; break;
        default: UCD_PARSE_UNKNOWN_CATEGORY;
        }
        break;
      case 'Z':
        ucd[i].flags |= UCD_SEPARATOR;
        switch (p[1]) {
        case 'l': ucd[i].flags |= UCD_SEPARATOR_LINE; break;
        case 'p': ucd[i].flags |= UCD_SEPARATOR_PARAGRAPH; break;
        case 's': ucd[i].flags |= UCD_SEPARATOR_SPACE; break;
        default: UCD_PARSE_UNKNOWN_CATEGORY;
        }
        break;
      case 'C':
        ucd[i].flags |= UCD_OTHER;
        switch (p[1]) {
        case 'c': ucd[i].flags |= UCD_OTHER_CONTROL; break;
        case 'f': ucd[i].flags |= UCD_OTHER_FORMAT; break;
        case 's': ucd[i].flags |= UCD_OTHER_SURROGATE; break;
        case 'o': ucd[i].flags |= UCD_OTHER_PRIVATE_USE; break;
        case 'n': ucd[i].flags |= UCD_OTHER_NOT_ASSIGNED; break;
        default: UCD_PARSE_UNKNOWN_CATEGORY;
        }
        break;
      default: warnx("line %lu: unknown category: '%c'", lineno, *p);
      }
      if (*p != ';')
        p++;
      if (*p != ';')
        p++;
    }
    return;
   error:
    warnx("invalid entry line %lu: %s", lineno, line);
  }
  
  void ucd_write_c (s_ucd ucd[UCD_MAX])
  {
    unsigned long i = 0;
    printf("/* c3\n"
           " * Copyright 2022 kmx.io <contact@kmx.io>\n"
           " *\n"
           " * Permission is hereby granted to use this software granted\n"
           " * the above copyright notice and this permission paragraph\n"
           " * are included in all copies and substantial portions of this\n"
           " * software.\n"
           " *\n"
           " * THIS SOFTWARE IS PROVIDED \"AS-IS\" WITHOUT ANY GUARANTEE OF\n"
           " * PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE\n"
           " * AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF\n"
           " * THIS SOFTWARE.\n"
           " */\n");
    printf("/* generated by ucd2c */\n");
    printf("#include \"ucd.h\"\n");
    printf("const s_ucd g_ucd[UCD_MAX] = {\n");
    while (i < UCD_MAX) {
      if (i > 0)
        printf(",\n");
      printf("  {0x%llx, ",
             ucd[i].flags);
      if (ucd[i].name)
        printf("\"%s\"", ucd[i].name);
      else
        printf("0");
      printf(", ");
      printf("0x%lx", ucd[i].to_lower);
      printf(", ");
      printf("0x%lx", ucd[i].to_upper);
      printf("}");
      i++;
    }
    printf("\n};\n");
  }
  
  int main (int argc, char **argv)
  {
    char buf[BUFSZ];
    unsigned long lineno;
    s_ucd *ucd = calloc(sizeof(s_ucd), UCD_MAX);
    (void) argc;
    (void) argv;
    lineno = 0;
    while (fgets(buf, BUFSZ, stdin)) {
      size_t len = strlen(buf);
      if (len > 0 && buf[len - 1] == '\n')
        buf[len - 1] = 0;
      ucd_parse(ucd, buf, ++lineno);
    }
    ucd_case(ucd);
    ucd_write_c(ucd);
    free(ucd);
    return 0;
  }
  

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