json_value_module Module

if true, any comments will be ignored when parsing a file. The comment token is defined by the comment_char string.

for name and path comparisons, are they case sensitive.

character position in the current line

comment token when allow_comments is true. Examples: '!' or '#'.

to use the "compact" form of real numbers for output

If true, then arrays of integers, nulls, doubles, & logicals are printed all on one line. [Note: no_whitespace will override this option if necessary]

the error message

The error flag. Will be set to true when an error is thrown in the class. Many of the methods will check this and return immediately if it is true.

for allocatable strings: next character to read

if true, all exceptions are immediately printed to console.

lines read counter

when printing a JSON string, don't include non-significant spaces or line breaks. If true, the entire structure will be printed on one line.

How the path strings are interpreted in the get_by_path routines:

The path separator to use in the "default" mode for the paths in the various get_by_path routines. Note: if path_mode/=1 then this is ignored.

used when parsing lines in file

used when parsing lines in file

the format string to use for converting real numbers to strings. It can be set in json_initialize, and used in json_value_print If not set, then default_real_fmt is used instead.

number of spaces for indenting

if true, then no type conversions are done in the get routines if the actual variable type is different from the return type (for example, integer to double).

for name and path comparisons, is trailing space to be considered significant.

If false, then the raw escaped string is returned from json_get_string and similar routines. If true [default], then the string is returned unescaped.

Function constructor for a json_core. This is just a wrapper for json_initialize.

Add objects to a linked list of json_values.

Add variables to a json_value linked list by specifying their paths.

check for error and get error message

clear exceptions

clone a JSON structure (deep copy)

count the number of children

Create a json_value linked list using the path to the variables. Optionally return a pointer to the variable.

Allocate a json_value pointer and make it an array variable. The pointer should not already be allocated.

Allocate a json_value pointer and make it a double variable. The pointer should not already be allocated.

Allocate a json_value pointer and make it an integer variable. The pointer should not already be allocated.

Allocate a json_value pointer and make it a logical variable. The pointer should not already be allocated.

Allocate a json_value pointer and make it a null variable. The pointer should not already be allocated.

Allocate a json_value pointer and make it an object variable. The pointer should not already be allocated.

Allocate a json_value pointer and make it a string variable. The pointer should not already be allocated.

Destructor routine for a json_value pointer. This must be called explicitly if it is no longer needed, before it goes out of scope. Otherwise, a memory leak will result.

check for error

Get data from a json_value linked list.

Return a child of a json_value structure.

get pointer to json_value next

get pointer to json_value parent

get the path to a JSON variable in a structure:

get pointer to json_value previous

get pointer to json_value tail

get info about a json_value

to initialize some parsing parameters

insert a new element after an existing one, updating the JSON structure accordingly

Check if a json_value is a descendant of another.

get matrix info about a json_value

Parse the JSON file and populate the json_value tree.

Print the json_value to a file.

simply routine to print error messages

Print the json_value structure to an allocatable string

Remove a json_value from a linked-list structure.

If the child variable is present, then remove it.

Rename a json_value variable.

Replace a json_value in a linked-list structure.

get string info about a json_value

Swap two json_value pointers in a structure (or two different structures).

Throw an exception.

to traverse all elements of a JSON structure

These are like the add methods, except if a variable with the same path is already present, then its value is simply updated. Note that currently, these only work for scalar variables. These routines can also change the variable's type (but an error will be thrown if the existing variable is not a scalar).

Check that a json_value linked list is valid (i.e., is properly constructed). This may be useful if it has been constructed externally.

first child item of this

real data for this variable

integer data for this variable

logical data for this variable

number of children

variable name

next item in the list

parent item of this

previous item in the list

string data for this variable

last child item of this

variable type

mainly useful for debugging (default is false)

to compact the real number strings for output (default is true)

always print numeric sign (default is false)

Real number format: 'E' [default], '*', 'G', 'EN', or 'ES'

number of spaces per tab for indenting (default is 2)

if true, no integer, double, or logical type conversions are done for the get routines (default is false)

for name and path comparisons, is trailing space to be considered significant. (default is false)

for name and path comparisons, are they case sensitive. (default is true)

if true, printing the JSON structure is done without adding any non-significant spaces or linebreaks (default is false)

If false, then the raw escaped string is returned from json_get_string and similar routines. If true [default], then the string is returned unescaped.

If present, this character is used to denote comments in the JSON file, which will be ignored if present. Example: ! or #. Setting this to a blank string disables the ignoring of comments. (Default is !).

How the path strings are interpreted in the get_by_path routines: * 1 – Default way (see json_get_by_path_default) [Default] * 2 – as RFC 6901 "JSON Pointer" paths (see json_get_by_path_rfc6901)

The path separator to use in the "default" mode for the paths in the various get_by_path routines. Example: . [default] or %. Note: if path_mode/=1 then this is ignored.

If true, then arrays of integers, nulls, doubles, and logicals are printed all on one line. [Note: no_whitespace will override this option if necessary]. (Default is False).

the json object

the name to check for

file unit number

string with JSON data

file unit number

current line

file unit number

current line

the JSON structure

the path to the variable

the value to add

if the variable was found

if the variable had to be created

the JSON structure

the path to the variable

the vector to add

if the variable was found

if the variable had to be created

the JSON structure

the path to the variable

the value to add

if the variable was found

if the variable had to be created

the JSON structure

the path to the variable

the vector to add

if the variable was found

if the variable had to be created

the JSON structure

the path to the variable

the value to add

if the variable was found

if the variable had to be created

the JSON structure

the path to the variable

the vector to add

if the variable was found

if the variable had to be created

the JSON structure

the path to the variable

the value to add

if the variable was found

if the variable had to be created

the JSON structure

the path to the variable

the value to add

if the variable was found

if the variable had to be created

the JSON structure

the path to the variable

the value to add

if the variable was found

if the variable had to be created

the JSON structure

the path to the variable

the value to add

if the variable was found

if the variable had to be created

the JSON structure

the path to the variable

the vector to add

if the variable was found

if the variable had to be created

the string lengths of each element in value. If not present, the full len(value) string is added for each element.

the JSON structure

the path to the variable

the vector to add

if the variable was found

if the variable had to be created

the string lengths of each element in value. If not present, the full len(value) string is added for each element.

the JSON structure

the path to the variable

the vector to add

if the variable was found

if the variable had to be created

the string lengths of each element in value. If not present, the full len(value) string is added for each element.

true if there were no errors

the error message (if there were errors)

this is the structure to clone

the clone is put here (it must not already be associated)

a JSON linked list

path to the variable

pointer to the variable specify by path

true if there were no errors (variable found or created)

true if it was actually created (as opposed to already being there)

the actual length of each character string in the array

the actual length of each character string in the array

a JSON linked list

path to the variable

pointer to the variable specify by path

true if it was found

a JSON linked list

path to the variable

pointer to the variable specify by path

true if it was found

if a variable is not present in the path, then it is created. the leaf node is returned as a null json type and can be changed by the caller.

if create_it is true, this will be true if the variable was actually created. Otherwise it will be false.

a JSON linked list

path to the variable (an RFC 6901 "JSON Pointer")

pointer to the variable specify by path

true if it was found

JSON object

pointer to next

JSON object

pointer to parent

a JSON linked list object

path to the variable

true if there were no problems

if true, then '()' are used for array elements otherwise, '[]' are used [default]

character to use for path separator (otherwise use json%path_separator)

JSON object

pointer to previous

JSON object

pointer to tail

variable type

number of children

variable name

a JSON linked list

path to the variable

true if it was found

variable type

number of children

variable name

mainly useful for debugging (default is false)

to compact the real number strings for output (default is true)

always print numeric sign (default is false)

Real number format: 'E' [default], '*', 'G', 'EN', or 'ES'

number of spaces per tab for indenting (default is 2)

if true, no integer, double, or logical type conversions are done for the get routines (default is false)

for name and path comparisons, is trailing space to be considered significant. (default is false)

for name and path comparisons, are they case sensitive. (default is true)

if true, printing the JSON structure is done without adding any non-significant spaces or linebreaks (default is false)

If false, then the raw escaped string is returned from json_get_string and similar routines. If true [default], then the string is returned unescaped.

If present, this character is used to denote comments in the JSON file, which will be ignored if present. Example: ! or #. Setting this to a blank string disables the ignoring of comments. (Default is !).

How the path strings are interpreted in the get_by_path routines: * 1 – Default way (see json_get_by_path_default) [Default] * 2 – as RFC 6901 "JSON Pointer" paths (see json_get_by_path_rfc6901)

The path separator to use in the "default" mode for the paths in the various get_by_path routines. Example: . [default] or %. Note: if path_mode/=1 then this is ignored.

If true, then arrays of integers, nulls, doubles, and logicals are printed all on one line. [Note: no_whitespace will override this option if necessary]. (Default is False).

a JSON linked list

true if it is a valid matrix

variable type of data in the matrix (if all elements have the same type)

number of data sets (i.e., matrix rows if using row-major order)

size of each data set (i.e., matrix cols if using row-major order)

variable name

a JSON linked list

path to the variable

true if it is a valid matrix

true if it was found

variable type of data in the matrix (if all elements have the same type)

number of data sets (i.e., matrix rows if using row-major order)

size of each data set (i.e., matrix cols if using row-major order)

variable name

JSON file name

output structure

file unit number (/= 0)

output structure

string with JSON data

the file unit (the file must already have been opened, can't be -1).

the filename to print to (should not already be open)

if p is an array, this is the actual length of each character string in the array. if not an array, this is returned unallocated.

The maximum length required to hold the string representation returned by a call to a get routine. If a scalar, this is just the length of the scalar. If a vector, this is the maximum length of any element.

true if there were no errors. if not present, an error will throw an exception

the error message

variable name

real value