C++ NewString函数代码示例

static int List_set(DOH *lo, int n, DOH *val) {
  List *l = (List *) ObjData(lo);
  if (!val)
    return -1;
  assert(!((n < 0) || (n >= l->nitems)));
  if (!DohCheck(val)) {
    val = NewString(val);
    Decref(val);
  }
  Delete(l->items[n]);
  l->items[n] = val;
  Incref(val);
  Delete(val);
  return 0;
}

String *Swig_scopename_last(const String *s) {
  char *tmp = Char(s);
  char *c = tmp;
  char *cc = c;
  char *co = 0;
  if (!strstr(c, "::"))
    return NewString(s);

  co = strstr(cc, "operator ");
  if (co) {
    return NewString(co);
  }


  while (*c) {
    if ((*c == ':') && (*(c + 1) == ':')) {
      cc = c;
      c += 2;
    } else {
      if (*c == '<') {
	int level = 1;
	c++;
	while (*c && level) {
	  if (*c == '<')
	    level++;
	  if (*c == '>')
	    level--;
	  c++;
	}
      } else {
	c++;
      }
    }
  }
  return NewString(cc + 2);
}

String *
Swig_cmethod_call(String_or_char *name, ParmList *parms, String_or_char *self) {
  String *func, *nname;
  int i = 0;
  Parm *p = parms;
  SwigType *pt;
  int comma = 0;

  if (!self) self = (char *) "(this)->";

  func = NewString("");
  nname = SwigType_namestr(name);
  if (!p) return func;
  Append(func,self);
  pt = Getattr(p,"type");

  /* If the method is invoked through a dereferenced pointer, we don't add any casts
     (needed for smart pointers).  Otherwise, we cast to the appropriate type */

  if (Strstr(func,"*this")) {
    Replaceall(func,"this", Swig_cparm_name(p,0));
  } else {
    Replaceall(func,"this", SwigType_rcaststr(pt, Swig_cparm_name(p,0)));
  }

  if (SwigType_istemplate(name)) {
      Printf(func,"template %s(", nname);
  } else {
      Printf(func,"%s(", nname);
  }
  i++;
  p = nextSibling(p);
  while (p) {
    String *pname;
    pt = Getattr(p,"type");
    if ((SwigType_type(pt) != T_VOID)) {
      if (comma) Printf(func,",");
      pname = Swig_cparm_name(p,i);
      Printf(func,"%s", SwigType_rcaststr(pt, pname));
      comma = 1;
      i++;
    }
    p = nextSibling(p);
  }
  Printf(func,")");
  Delete(nname);
  return func;
}

void Swig_cparse_replace_descriptor(String *s) {
  char tmp[512];
  String *arg = 0;
  SwigType *t;
  char *c = 0;

  while ((c = strstr(Char(s), "$descriptor("))) {
    char *d = tmp;
    int level = 0;
    while (*c) {
      if (*c == '(')
	level++;
      if (*c == ')') {
	level--;
	if (level == 0) {
	  break;
	}
      }
      *d = *c;
      d++;
      c++;
    }
    *d = 0;
    arg = NewString(tmp + 12);
    t = Swig_cparse_type(arg);
    Delete(arg);
    arg = 0;

    if (t) {
      String *mangle;
      String *descriptor;

      mangle = SwigType_manglestr(t);
      descriptor = NewStringf("SWIGTYPE%s", mangle);
      SwigType_remember(t);
      *d = ')';
      d++;
      *d = 0;
      Replace(s, tmp, descriptor, DOH_REPLACE_ANY);
      Delete(mangle);
      Delete(descriptor);
      Delete(t);
    } else {
      Swig_error(Getfile(s), Getline(s), "Bad $descriptor() macro.\n");
      break;
    }
  }
}

	String* String::NewString(const char* str, const int64_t len){
		if(!str) return NewString();
		String* o =SafeNew<String>();
		if(len >= 0){
			o->m_length =len;
		}
		else{
			o->m_length =strlen(str);
		}
		o->m_data =reinterpret_cast< char* >(ALLOCATE(o->m_length + 1));
		if(o->m_length > 0){
			memcpy(o->m_data, str, (size_t)o->m_length);
		}
		o->m_data[o->m_length] =0;
		return o;
	}

SwigScanner *
NewSwigScanner() {
  SwigScanner *s;
  s = (SwigScanner *) malloc(sizeof(SwigScanner));
  s->line = 1;
  s->file = 0;
  s->nexttoken = -1;
  s->start_line = 1;
  s->string_start = 0;
  s->yylen = 0;
  s->idstart = "";
  s->scanobjs = NewList();
  s->text = NewString("");
  s->str = 0;
  return s;
}

/* Returns the function type, t, constructed from the parameters, parms */
SwigType *SwigType_add_function(SwigType *t, ParmList *parms) {
  String *pstr;
  Parm *p;

  Insert(t, 0, ").");
  pstr = NewString("f(");
  p = parms;
  for (p = parms; p; p = nextSibling(p)) {
    if (p != parms)
      Putc(',', pstr);
    Append(pstr, Getattr(p, "type"));
  }
  Insert(t, 0, pstr);
  Delete(pstr);
  return t;
}

/*
 * Turn screen tracing on or off.
 *
 * If turning it on, screentrace_how contains TSS_FILE or TSS_PRINTER,
 *  and screentrace_name is NULL (use the default) or the name of a
 *  file, printer command (Unix) or printer (Windows).
 */
static void
toggle_screenTrace(toggle_index_t ix _is_unused, enum toggle_type tt)
{
    char *tracefile_buf = NULL;
    char *tracefile;

    if (toggled(SCREEN_TRACE)) {
	/* Turn it on. */
	status_screentrace((screentrace_count = 0));
	if (onetime_screentrace_name != NULL) {
	    tracefile = tracefile_buf = onetime_screentrace_name;
	    onetime_screentrace_name = NULL;
	} else if (screentrace_how == TSS_FILE &&
		appres.screentrace_file != NULL) {
	    tracefile = appres.screentrace_file;
	} else {
	    if (screentrace_how == TSS_FILE) {
		tracefile = tracefile_buf =
		    screentrace_default_file(screentrace_ptype);
	    } else {
		tracefile = tracefile_buf = screentrace_default_printer();
	    }
	}
	if (!screentrace_cb(screentrace_how, screentrace_ptype,
		    NewString(tracefile))) {

	    set_toggle(SCREEN_TRACE, false);
	    status_screentrace((screentrace_count = -1));
	}
    } else {
	/* Turn it off. */
	if (ctlr_any_data() && !trace_skipping) {
	    do_screentrace(false);
	}
	end_screentrace(tt == TT_FINAL);
	screentrace_last_how = screentrace_how;
	screentrace_how = TSS_FILE; /* back to the default */
	screentrace_ptype = P_TEXT; /* back to the default */
	status_screentrace((screentrace_count = -1));
    }

    if (tracefile_buf != NULL) {
	Free(tracefile_buf);
    }

    trace_gui_toggle();
}

/**
  Password may be stored as encrypted by Configuration Driver. When change a
  password, user will be challenged with old password. To validate user input old
  password, we will send the clear text to Configuration Driver via Callback().
  Configuration driver is responsible to check the passed in password and return
  the validation result. If validation pass, state machine in password Callback()
  will transit from BROWSER_STATE_VALIDATE_PASSWORD to BROWSER_STATE_SET_PASSWORD.
  After user type in new password twice, Callback() will be invoked to send the
  new password to Configuration Driver.

  @param  Selection              Pointer to UI_MENU_SELECTION.
  @param  MenuOption             The MenuOption for this password Question.
  @param  String                 The clear text of password.

  @retval EFI_NOT_AVAILABLE_YET  Callback() request to terminate password input.
  @return In state of BROWSER_STATE_VALIDATE_PASSWORD:
  @retval EFI_SUCCESS            Password correct, Browser will prompt for new
                                 password.
  @retval EFI_NOT_READY          Password incorrect, Browser will show error
                                 message.
  @retval Other                  Browser will do nothing.
  @return In state of BROWSER_STATE_SET_PASSWORD:
  @retval EFI_SUCCESS            Set password success.
  @retval Other                  Set password failed.

**/
EFI_STATUS
PasswordCallback (
  IN  UI_MENU_SELECTION           *Selection,
  IN  UI_MENU_OPTION              *MenuOption,
  IN  CHAR16                      *String
  )
{
  EFI_STATUS                      Status;
  EFI_HII_CONFIG_ACCESS_PROTOCOL  *ConfigAccess;
  EFI_BROWSER_ACTION_REQUEST      ActionRequest;
  EFI_IFR_TYPE_VALUE              IfrTypeValue;

  ConfigAccess = Selection->FormSet->ConfigAccess;
  if (ConfigAccess == NULL) {
    return EFI_UNSUPPORTED;
  }

  //
  // Prepare password string in HII database
  //
  if (String != NULL) {
    IfrTypeValue.string = NewString (String, Selection->FormSet->HiiHandle);
  } else {
    IfrTypeValue.string = 0;
  }

  //
  // Send password to Configuration Driver for validation
  //
  Status = ConfigAccess->Callback (
                           ConfigAccess,
                           EFI_BROWSER_ACTION_CHANGING,
                           MenuOption->ThisTag->QuestionId,
                           MenuOption->ThisTag->HiiValue.Type,
                           &IfrTypeValue,
                           &ActionRequest
                           );

  //
  // Remove password string from HII database
  //
  if (String != NULL) {
    DeleteString (IfrTypeValue.string, Selection->FormSet->HiiHandle);
  }

  return Status;
}

String *SwigType_prefix(const SwigType *t) {
  char *c, *d;
  String *r = 0;

  c = Char(t);
  d = c + strlen(c);

  /* Check for a type constructor */
  if ((d > c) && (*(d - 1) == '.'))
    d--;

  while (d > c) {
    d--;
    if (*d == '>') {
      int nest = 1;
      d--;
      while ((d > c) && (nest)) {
	if (*d == '>')
	  nest++;
	if (*d == '<')
	  nest--;
	d--;
      }
    }
    if (*d == ')') {
      /* Skip over params */
      int nparen = 1;
      d--;
      while ((d > c) && (nparen)) {
	if (*d == ')')
	  nparen++;
	if (*d == '(')
	  nparen--;
	d--;
      }
    }

    if (*d == '.') {
      char t = *(d + 1);
      *(d + 1) = 0;
      r = NewString(c);
      *(d + 1) = t;
      return r;
    }
  }
  return NewStringEmpty();
}

void start_inline(char *text, int line) {
  InFile *in;

  /* Save current state */
  in_head->line_number = cparse_line;
  in_head->in_file = cparse_file;

  in = (InFile *) malloc(sizeof(InFile));
  in->f = NewString(text);
  Seek(in->f,0,SEEK_SET);
  in->in_file = Swig_copy_string(cparse_file);
  in->line_number = line;
  in->prev = in_head;
  in_head = in;
  LEX_in = in->f;
  cparse_line = line;
}

/* Pop up an error dialog, based on an error number. */
void
popup_an_errno(int errn, const char *fmt, ...)
{
	va_list args;
	char *s;

	va_start(args, fmt);
	(void) vsnprintf(vmsgbuf, sizeof(vmsgbuf), fmt, args);
	va_end(args);
	s = NewString(vmsgbuf);

	if (errn > 0)
		popup_an_error("%s: %s", s, strerror(errn));
	else
		popup_an_error("%s", s);
	Free(s);
}

/*
 * Whitespace stripper.
 */
char *
strip_whitespace(const char *s)
{
    char *t = NewString(s);

    while (*t && my_isspace(*t)) {
	t++;
    }
    if (*t) {
	char *u = t + strlen(t) - 1;

	while (my_isspace(*u)) {
	    *u-- = '\0';
	}
    }
    return t;
}

jobject wrapJSObject(JNIEnv *pEnv, v8::Handle<v8::Value> value)
{
  v8::HandleScope handle_scope;

  if (value.IsEmpty() || value->IsNull() || value->IsUndefined()) return NULL;
  if (value->IsTrue()) return NewBoolean(pEnv, JNI_TRUE);
  if (value->IsFalse()) return NewBoolean(pEnv, JNI_FALSE);

  if (value->IsInt32()) return NewInt(pEnv, value->Int32Value());
  if (value->IsUint32()) return NewLong(pEnv, value->IntegerValue());
  if (value->IsString()) return NewString(pEnv, v8::Handle<v8::String>::Cast(value));
  if (value->IsDate()) return NewDate(pEnv, v8::Handle<v8::Date>::Cast(value));
  if (value->IsNumber()) return NewDouble(pEnv, value->NumberValue());

//  return wrap(value->ToObject());
  return NULL;
}

void 
Swig_name_object_set(Hash *namehash, String *name, SwigType *decl, DOH *object) {
  DOH *n;

  /*  Printf(stdout,"name:  '%s', '%s'\n", name, decl);*/
  n = Getattr(namehash,name);
  if (!n) {
    n = NewHash();
    Setattr(namehash,name,n);
  }
  /* Add an object based on the declarator value */
  if (!decl) {
    Setattr(n,NewString("*"),object);
  } else {
    Setattr(n,Copy(decl),object);
  }
}