// Copyright 2018 Espressif Systems (Shanghai) PTE LTD // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #include #include #include "unity.h" typedef struct { int depth; char output[512]; int output_off; } user_data_t; static void insert_space(user_data_t *user_data) { const char align_str[] = " "; TEST_ASSERT(sizeof(user_data->output) >= user_data->output_off); user_data->output[user_data->output_off++] = '\n'; for (int i = 0; i < user_data->depth; i++) { for (int j = 0; j < strlen(align_str); ++j) { TEST_ASSERT(sizeof(user_data->output) >= user_data->output_off); user_data->output[user_data->output_off++] = align_str[j]; } } } static void XMLCALL start_element(void *userData, const XML_Char *name, const XML_Char **atts) { user_data_t *user_data = (user_data_t *) userData; insert_space(user_data); const int ret = snprintf(user_data->output + user_data->output_off, sizeof(user_data->output) - user_data->output_off, "<%s>", name); TEST_ASSERT_EQUAL(strlen(name) + 2, ret); // 2 are the tag characters: "<>" user_data->output_off += ret; ++user_data->depth; } static void XMLCALL end_element(void *userData, const XML_Char *name) { user_data_t *user_data = (user_data_t *) userData; --user_data->depth; insert_space(user_data); int ret = snprintf(user_data->output + user_data->output_off, sizeof(user_data->output) - user_data->output_off, "", name); TEST_ASSERT_EQUAL(strlen(name) + 3, ret); // 3 are the tag characters: "" user_data->output_off += ret; } static void data_handler(void *userData, const XML_Char *s, int len) { user_data_t *user_data = (user_data_t *) userData; insert_space(user_data); // s is not zero-terminated char tmp_str[len+1]; strlcpy(tmp_str, s, len+1); int ret = snprintf(user_data->output + user_data->output_off, sizeof(user_data->output) - user_data->output_off, "%s", tmp_str); TEST_ASSERT_EQUAL(strlen(tmp_str), ret); user_data->output_off += ret; } TEST_CASE("Expat parses XML", "[expat]") { const char test_in[] = "Page titleheader
  1. A
    2. "\ "
  2. B
  3. C
"; const char test_expected[] = "\n"\ "\n"\ " \n"\ " Page title\n"\ " \n"\ " \n"\ " \n"\ " header\n"\ " \n"\ "
    \n"\ "
  1. \n"\ " A\n"\ "
    2. \n"\ "
  2. \n"\ " B\n"\ "
    3. \n"\ "
  3. \n"\ " C\n"\ "
    4. \n"\ "
\n"\ " \n"\ ""; user_data_t user_data = { .depth = 0, .output = { '\0' }, .output_off = 0 }; XML_Parser parser = XML_ParserCreate(NULL); XML_SetUserData(parser, &user_data); XML_SetElementHandler(parser, start_element, end_element); XML_SetCharacterDataHandler(parser, data_handler); TEST_ASSERT_NOT_EQUAL(XML_STATUS_ERROR, XML_Parse(parser, test_in, strlen(test_in), 1)); XML_ParserFree(parser); TEST_ASSERT_EQUAL(0, user_data.depth); // all closing tags have been found TEST_ASSERT_EQUAL(strlen(test_expected), strlen(user_data.output)); TEST_ASSERT_EQUAL_STRING(test_expected, user_data.output); }