json_format.cpp File Reference

JSON formatter A simple JSON formatter using the Parsnip library. More...

#include <cstdlib>
#include <unistd.h>
#include <istream>
#include <iostream>
#include <fstream>
#include "parsnip.h"

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Classes
struct	Options

Enumerations
enum class	Action {   TIDY , VALIDATE , EXPLAIN , FLATTEN_W_DICT ,   FLATTEN_W_MEMBERS }

Functions
void	setprogname (const char *name)
const char *	getprogname (void)
void	render_exception (const char *filename, const Parsnip::Exception &ex)
	Render a parsnip exception to standard error in a standard way. More...
Parsnip::Data	read_json_file (const char *name, std::istream &src)
	Read a JSON document from a stream. More...
Parsnip::Data	load_json_file (const char *name)
	Read in JSON from a file. More...
bool	try_load_json_file (const char *name, Parsnip::Data &file_contents)
	Read in JSON from a file. More...
void	flatten (const Parsnip::Data &data, Action action, const std::string varname)
	Reformat a JSON file into a series of assignments, perhaps for use with a shell script or diff. More...
bool	process_file (const char *name, Parsnip::Data &data, const Options &options)
	Take action on a file. More...
void	usage ()
	Display command-line usage statement. More...
int	main (int argc, char *const *argv)

Variables
static const char *	progname

Detailed Description

JSON formatter A simple JSON formatter using the Parsnip library.

• JSON formatter

  Author

  Perette Barella

  Date

  2019-05-01

  Copyright

  Copyright 2019-2020 Devious Fish. All rights reserved.

Enumeration Type Documentation

Action

enum Action

strong

Enumerator
TIDY
VALIDATE
EXPLAIN
FLATTEN_W_DICT
FLATTEN_W_MEMBERS

Function Documentation

flatten()

void flatten	(	const Parsnip::Data &	data,
		Action	action,
		const std::string	varname
	)

Reformat a JSON file into a series of assignments, perhaps for use with a shell script or diff.

Parameters

data	The data to reformat
action	Either FLATTEN_W_DICTIONARY or FLATTEN_W_MEMBERS.
varname	The "variable" name to which options/array specifiers are appended.

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getprogname()

const char* getprogname

(

void

)

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load_json_file()

Parsnip::Data load_json_file

(

const char *

name

)

Read in JSON from a file.

On error, exit with failure.

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main()

int main	(	int	argc,
		char *const *	argv
	)

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process_file()

bool process_file	(	const char *	name,
		Parsnip::Data &	data,
		const Options &	options
	)

Take action on a file.

Parameters

name	The name of the file (for error reporting).
data	The contents of the file.
options	Options and data for the action to be taken.

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read_json_file()

Parsnip::Data read_json_file	(	const char *	name,
		std::istream &	src
	)

Read a JSON document from a stream.

On error, exit with failure.

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render_exception()

void render_exception	(	const char *	filename,
		const Parsnip::Exception &	ex
	)

Render a parsnip exception to standard error in a standard way.

Parameters

filename	The filename to which the exception pertains.
ex	The exception.

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setprogname()

void setprogname

(

const char *

name

)

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try_load_json_file()

bool try_load_json_file	(	const char *	name,
		Parsnip::Data &	file_contents
	)

Read in JSON from a file.

Parameters

	name	The name of the file.
[out]	file_contents	On return, set to the parsed JSON.

Returns

True on success, false on failure.

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usage()

void usage

(

)

Display command-line usage statement.

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Variable Documentation

progname

const char* progname

static