C++ (Cpp) js_isstring示例

示例#1

文件： jsvalue.c 项目： gbox3d/myarduinoprj

void js_concat(js_State *J)
{
	js_toprimitive(J, -2, JS_HNONE);
	js_toprimitive(J, -1, JS_HNONE);

	if (js_isstring(J, -2) || js_isstring(J, -1)) {
		const char *sa = js_tostring(J, -2);
		const char *sb = js_tostring(J, -1);
		/* TODO: create js_String directly */
		char *sab = js_malloc(J, strlen(sa) + strlen(sb) + 1);
		strcpy(sab, sa);
		strcat(sab, sb);
		if (js_try(J)) {
			js_free(J, sab);
			js_throw(J);
		}
		js_pop(J, 2);
		js_pushstring(J, sab);
		js_endtry(J);
		js_free(J, sab);
	} else {
		double x = js_tonumber(J, -2);
		double y = js_tonumber(J, -1);
		js_pop(J, 2);
		js_pushnumber(J, x + y);
	}
}

示例#2

文件： jsvalue.c 项目： gbox3d/myarduinoprj

int js_compare(js_State *J, int *okay)
{
	js_toprimitive(J, -2, JS_HNUMBER);
	js_toprimitive(J, -1, JS_HNUMBER);

	*okay = 1;
	if (js_isstring(J, -2) && js_isstring(J, -1)) {
		return strcmp(js_tostring(J, -2), js_tostring(J, -1));
	} else {
		double x = js_tonumber(J, -2);
		double y = js_tonumber(J, -1);
		if (isnan(x) || isnan(y))
			*okay = 0;
		return x < y ? -1 : x > y ? 1 : 0;
	}
}

示例#3

文件： jsrun.c 项目： v09-software/mujs

void js_eval(js_State *J)
{
	if (!js_isstring(J, -1))
		return;
	js_loadeval(J, "(eval)", js_tostring(J, -1));
	js_rot2pop1(J);
	js_copy(J, 0); /* copy 'this' */
	js_call(J, 0);
}

示例#4

文件： jsbuiltin.c 项目： goodamr/android-pdf-library

static void jsB_eval(js_State *J)
{
	if (!js_isstring(J, -1)) {
		js_copy(J, 1);
		return;
	}
	js_loadstring(J, "(eval)", js_tostring(J, -1));
	js_pushglobal(J);
	js_call(J, 0);
}

示例#5

文件： pdf-jsimp-mu.c 项目： BYogesh/mupdf

int pdf_jsimp_to_type(pdf_jsimp *imp, pdf_jsimp_obj *obj)
{
	js_State *J = imp->J;
	if (js_isnull(J, IDX(obj))) return JS_TYPE_NULL;
	if (js_isboolean(J, IDX(obj))) return JS_TYPE_BOOLEAN;
	if (js_isnumber(J, IDX(obj))) return JS_TYPE_NUMBER;
	if (js_isstring(J, IDX(obj))) return JS_TYPE_STRING;
	if (js_isarray(J, IDX(obj))) return JS_TYPE_ARRAY;
	return JS_TYPE_UNKNOWN;
}

示例#6

文件： util.c 项目： hean01/castio

JsonNode *
js_util_tojsonnode(js_State *state, int idx)
{
  const char *s;
  JsonNode *node;
  JsonNode *tmp;
  JsonObject *object;
  JsonArray *array;
  unsigned int i, length;

  node = json_node_alloc();

  if (js_isstring(state, idx))
  {
    json_node_init_string(node, js_tostring(state, idx));
  }

  else if (js_isnumber(state, idx))
  {
    json_node_init_int(node, js_tointeger(state, idx));
  }

  else if (js_isboolean(state, idx))
  {
    json_node_init_boolean(node, js_toboolean(state, idx));
  }

  else if (js_isarray(state, idx))
  {
    length = js_getlength(state, idx);

    array = json_array_new();
    json_node_init_array(node, array);

    for (i = 0; i < length; i++)
    {
      js_getindex(state, idx, i);
      tmp = js_util_tojsonnode(state, -1);

      if (tmp)
	json_array_add_element(array, tmp);

      js_pop(state, 1);
    }

    json_array_unref(array);
  }

  else if (js_isobject(state, idx))
  {
    object = json_object_new();
    json_node_init_object(node, object);

    js_pushiterator(state, idx, 1);
    while((s = js_nextiterator(state, -1)) != NULL)
    {
      if (idx > 0) js_getproperty(state, idx, s);
      else js_getproperty(state, idx - 1, s);

      tmp = js_util_tojsonnode(state, -1);
      if (tmp)
	json_object_set_member(object, s, tmp);

      js_pop(state, 1);
    }

    js_pop(state, 1);

    json_object_unref(object);
  }

  else
  {
    json_node_free(node);
    return NULL;
  }

  return node;
}