kc3-lang/kc3/libkc3/module.c

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• Hash : e8923ad6
  Author : Thomas de Grivel
  Date : 2024-07-21T21:07:00
  

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• libkc3/module.c

• /* kc3
   * Copyright 2022,2023,2024 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 <string.h>
  #include "buf.h"
  #include "character.h"
  #include "compare.h"
  #include "env.h"
  #include "facts.h"
  #include "facts_with.h"
  #include "facts_with_cursor.h"
  #include "file.h"
  #include "module.h"
  #include "tag.h"
  #include "sym.h"
  
  bool module_ensure_loaded (const s_sym *module)
  {
    return env_module_ensure_loaded(&g_kc3_env, module);
  }
  
  bool * module_has_ident (const s_sym *module, const s_ident *ident,
                           bool *dest)
  {
    return env_module_has_ident(&g_kc3_env, module, ident, dest);
  }
  
  bool * module_has_symbol (const s_sym *module, const s_sym *sym,
                            bool *dest)
  {
    return env_module_has_symbol(&g_kc3_env, module, sym, dest);
  }
  
  bool * module_is_loading (const s_sym *module, bool *dest)
  {
    return env_module_is_loading(&g_kc3_env, module, dest);
  }
  
  bool module_load (const s_sym *module)
  {
    return env_module_load(&g_kc3_env, module);
  }
  
  const s_tag ** module_load_time (const s_sym *module,
  				 const s_tag **dest)
  {
    return env_module_load_time(&g_kc3_env, module, dest);
  }
  
  bool module_maybe_reload (const s_sym *module)
  {
    return env_module_maybe_reload(&g_kc3_env, module);
  }
  
  s_str * module_path (const s_sym *module, const s_str *prefix,
                       const char *ext, s_str *dest)
  {
    character b = 0;
    character c;
    s_buf in;
    s_buf out;
    sw out_size;
    sw r;
    s_str *result;
    assert(dest);
    assert(module);
    buf_init_str(&in, false, (s_str *) &module->str);
    out_size = module_path_size(module, prefix, ext);
    buf_init_alloc(&out, out_size);
    if ((r = buf_write_str(&out, prefix)) < 0)
      goto error;
    while ((r = buf_read_character_utf8(&in, &c)) > 0) {
      if (c == '.') {
        b = c;
        c = '/';
      }
      else if (character_is_uppercase(c)) {
        if (character_is_lowercase(b)) {
          if ((r = buf_write_1(&out, "_")) < 0)
            goto error;
        }
        b = c;
        c = character_to_lower(c);
      }
      else
        b = c;
      if ((r = buf_write_character_utf8(&out, c)) < 0)
        goto error;
    }
    if ((r = buf_write_1(&out, ext)) < 0)
      goto error;
    result = buf_to_str(&out, dest);
    return result;
   error:
    buf_clean(&out);
    err_puts("module_path: error");
    assert(! "module_path: error");
    return NULL;
  }
  
  sw module_path_size (const s_sym *module, const s_str *prefix, const char *ext)
  {
    character b = 0;
    character c;
    s_buf in;
    sw r;
    sw result;
    assert(prefix);
    assert(module);
    buf_init_str(&in, false, (s_str *) &module->str);
    result = prefix->size;
    while ((r = buf_read_character_utf8(&in, &c)) > 0) {
      if (c == '.')
        c = '/';
      else if (character_is_uppercase(c)) {
        if (character_is_lowercase(b))
          result += strlen("_");
        b = c;
        c = character_to_lower(c);
      }
      else
        b = c;
      result += character_utf8_size(c);
    }
    result += strlen(ext);
    return result;
  }
  

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