JSONTools is both a standalone command line tool for verifying, building, and printing json cleanly, and a library that can be linked against. It was developed from the stand point of having a DOM style json parser and message builder. When parsing a json message, the entire message is scanned and a data structure is built and held in memory. This data structure can then be "queried" for information you are interested in.
The jsontools command line tools is a quick interface and demo program for how to use the library. The tool can be used to print a json file "pretty" or to verify that the message is valid. The pretty output is the defualt output.
jsontools usage:
jsontools [options] [files]
options:
-h --help Print this messsage
-v --version Print the version number
-r --verify only a 0 or 1 return value
0 = good json, positive number = bad
If you do not provide any switches or a file name, then it will read from standard in. This makes the program very useful for use in unix command chains.
$ echo '{"Hello" : "World!"}' | jsontools
{
"Hello" : "World!"
}The ability to pipe an "ugly" message to the tool and get the message out clean is great for checking restful json message from a curl call.
The JSONtools library is an opensource static library that can be linked against other C or C++ programs. For a quick example of how to use the library, check out jsontools.c. More instructions will be comming. but you basicly have to include the JSONTools.h header file (which will include all of the others) and link against the library.
The library was written to use only the C standard library so it should compile on any system. However, the jsontools program was written with unix libraries, so it wont compile on a non Unix system. As I test the library on more systems I will add them below, but for now it SHOULD compile and install without issue on Linux, BSD, OSX, and Cygwin.
make
sudo make install
make clean
libjsontools.a installs to /usr/local/lib
the headers are installed to /usr/local/include/JSONTools
jsontools installs to /usr/local/bin
When reporting any issues, please include the version number and revision number (you will notice the revision looks a lot like a git commit hash). That way I can target the exact code base the problem occurred on. Also if possible include the exact json message that you were parsing when the issue occurred.
Alwasy make sure to check for new versions before reporing an error, as I may have already fixed the issue in a new version.
Copyright 2012 All rights reserved Programs written by James Slocum
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