コード例 #1
0
ファイル: def.c プロジェクト: yiyinianhua/upb
static bool upb_fielddef_resolve(upb_fielddef *f, upb_def *def, upb_status *s) {
  assert(upb_dyncast_unresolveddef(f->def));
  upb_def_unref(f->def);
  f->def = def;
  if (f->type == UPB_TYPE(ENUM) && f->default_is_symbolic) {
    // Resolve the enum's default from a string to an integer.
    upb_byteregion *bytes = upb_value_getbyteregion(f->defaultval);
    assert(bytes);  // Points to either a real default or the empty string.
    upb_enumdef *e = upb_downcast_enumdef(f->def);
    int32_t val = 0;
    // Could do a sanity check that the default value does not have embedded
    // NULLs.
    if (upb_byteregion_len(bytes) == 0) {
      upb_value_setint32(&f->defaultval, e->defaultval);
    } else {
      size_t len;
      // ptr is guaranteed to be NULL-terminated because the byteregion was
      // created with upb_byteregion_newl().
      const char *ptr = upb_byteregion_getptr(bytes, 0, &len);
      assert(len == upb_byteregion_len(bytes));  // Should all be in one chunk.
      bool success = upb_enumdef_ntoi(e, ptr, &val);
      if (!success) {
        upb_status_seterrf(
            s, "Default enum value (%s) is not a member of the enum", ptr);
        return false;
      }
      upb_value_setint32(&f->defaultval, val);
    }
    upb_byteregion_free(bytes);
  }
  return true;
}
コード例 #2
0
ファイル: def.c プロジェクト: seanjensengrey/upb
static bool upb_fielddef_resolve(upb_fielddef *f, upb_def *def, upb_status *s) {
  assert(upb_dyncast_unresolveddef(f->def));
  upb_def_unref(f->def);
  f->def = def;
  if (f->type == UPB_TYPE(ENUM) && f->default_is_symbolic) {
    // Resolve the enum's default from a string to an integer.
    upb_strref *str = (upb_strref*)upb_value_getstrref(f->defaultval);
    assert(str);  // Should point to either a real default or the empty string.
    upb_enumdef *e = upb_downcast_enumdef(f->def);
    int32_t val = 0;
    // Could do a sanity check that the default value does not have embedded
    // NULLs.
    if (str->ptr[0] == '\0') {
      upb_value_setint32(&f->defaultval, e->defaultval);
    } else {
      bool success = upb_enumdef_ntoi(e, str->ptr, &val);
      if (!success) {
        upb_status_seterrf(
            s, "Default enum value (%s) is not a member of the enum", str);
        return false;
      }
      upb_value_setint32(&f->defaultval, val);
    }
    upb_strref_free(str);
  }
  return true;
}