get a pointer to the value (object)

return whether the iterator is at end

define throw_if(expression) if(expression)throw "error" 判断是否是文件夹

! @brief return whether value is an unsigned integer number This function returns true if and only if the JSON value is an unsigned integ

! @brief determine system byte order @return true if and only if system's byte order is little endian @note from https://stackoverflow.com/a/1001328

遍历该目录下的.xml文件，并且找到对应的

* Read next directory entry into called-allocated buffer. * * Returns zero on success. If the end of directory stream is reached, then * sets r

reset token_buffer; current character is beginning of token

! @brief set the iterator to the first value @pre The iterator is initialized; i.e. `m_object != nullptr`. */

! @brief sets the binary subtype Sets the binary subtype of the value, also flags a binary JSON value as having a subtype, which has impl

! @brief returns the number of elements Returns the number of elements in a JSON value. @return The return value depends on the differen

! @brief exchanges the values Exchanges the contents of the JSON value with those of @a other. Does not invoke any move, copy, or swap op

! @param[in] j JSON value to serialize @pre j.type() == value_t::object */

! @param[in] j JSON value to serialize */

! @param[in] j JSON value to serialize */

! @param[in] j JSON value to serialize @param[in] use_count whether to use '#' prefixes (optimized format) @param[in] use_type wheth

* Open directory stream DIRNAME for read and return a pointer to the * internal working area that is used to retrieve individual directory * entri

* Read next directory entry. * * Returns zero on success. If end of directory stream is reached, then sets * result to NULL and returns zero.

* Rewind directory stream such that _wreaddir() returns the very first * file name again. */

! @brief access specified array element with bounds checking Returns a reference to the element at specified location @a idx, with bounds

! @brief returns a const reverse iterator to the last element Returns a const iterator to the reverse-beginning; that is, the last elemen

! @brief returns a const reverse iterator to one before the first Returns a const reverse iterator to the reverse-end; that is, one before

判断src是否以指定的字符串(suffix)结尾

! For n != 0, returns k, such that pow10 := 10^(k-1) <= n < 10^k. For n == 0, returns 1 and sets pow10 := 1. */

! @param[in] reference_string the reference string to the current value @param[in] value the value to consider @param[in,out]

* 列出指定目录的所有文件(不包含目录)执行，对每个文件执行filter过滤器， * filter返回true时将文件名全路径加入std::vector * sub为true时为目录递归 * 返回每个文件的全路径名 */

! For a normalized diyfp w = f * 2^e, this function returns a (normalized) cached power-of-ten c = f_c * 2^e_c, such that the exponent of the product

! Generates V = buffer * 10^decimal_exponent, such that M- <= V <= M+. M- and M+ must be normalized and share the same exponent -60 <= e <= -32. */

! @brief return whether value is a number This function returns true if and only if the JSON value is a number. This includes both intege

! @brief returns x * y @note The result is rounded. (Only the upper q bits are returned.) */

add to iterator

! @brief add an object to an array @copydoc push_back(basic_json&&) */

! @brief comparison operator for JSON types Returns an ordering that is similar to Python: - order: null < boolean < number < object < array < string

Read next directory entry */

! @brief skip the UTF-8 byte order mark @return true iff there is no BOM or the correct BOM has been skipped */

! @brief split the string input to reference tokens @note This function is only called by the json_pointer constructor. All excepti

Compare strings */

字符串大小写转换

unescape "~1" to tilde and "~0" to slash (order is important!)

returns the explanatory string