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README
MIT
* Introduction:
  =============

JSON (JavaScript Object Notation) is a lightweight data-interchange format. 
It can represent integer, real number, string, an ordered sequence of 
value, and a collection of name/value pairs.

JsonCpp (http://jsoncpp.sourceforge.net/) is a simple API to manipulate 
JSON value, handle serialization and unserialization to string.

It can also preserve existing comment in unserialization/serialization steps,
making it a convenient format to store user input files.

Unserialization parsing is user friendly and provides precise error reports.


* Building/Testing:
  =================

JsonCpp uses Scons (http://www.scons.org) as a build system. Scons requires
python to be installed (http://www.python.org).

You download scons-local distribution from the following url:
http://sourceforge.net/projects/scons/files/scons-local/1.2.0/

Unzip it in the directory where you found this README file. scons.py Should be 
at the same level as README.

python scons.py platform=PLTFRM [TARGET]
where PLTFRM may be one of:
	suncc Sun C++ (Solaris)
	vacpp Visual Age C++ (AIX)
	mingw 
	msvc6 Microsoft Visual Studio 6 service pack 5-6
	msvc70 Microsoft Visual Studio 2002
	msvc71 Microsoft Visual Studio 2003
	msvc80 Microsoft Visual Studio 2005
	msvc90 Microsoft Visual Studio 2008
	linux-gcc Gnu C++ (linux, also reported to work for Mac OS X)

Notes: if you are building with Microsoft Visual Studio 2008, you need to 
setup the environment by running vcvars32.bat (e.g. MSVC 2008 command prompt)
before running scons.
	
Adding platform is fairly simple. You need to change the Sconstruct file 
to do so.
	
and TARGET may be:
	check: build library and run unit tests.

    
* Running the test manually:
  ==========================

Notes that test can be run by scons using the 'check' target (see above).

You need to run test manually only if you are troubleshooting an issue.

In the instruction below, replace "path to jsontest.exe" with the path
of the 'jsontest' executable that was compiled on your platform.
  
cd test
# This will run the Reader/Writer tests
python runjsontests.py "path to jsontest.exe"

# This will run the Reader/Writer tests, using JSONChecker test suite
# (http://www.json.org/JSON_checker/).
# Notes: not all tests pass: JsonCpp is too lenient (for example,
# it allows an integer to start with '0'). The goal is to improve
# strict mode parsing to get all tests to pass.
python runjsontests.py --with-json-checker "path to jsontest.exe"

# This will run the unit tests (mostly Value)
python rununittests.py "path to test_lib_json.exe"

You can run the tests using valgrind:
python rununittests.py --valgrind "path to test_lib_json.exe"


* Building the documentation:
  ===========================

Run the python script doxybuild.py from the top directory:

python doxybuild.py --open --with-dot

See doxybuild.py --help for options. 

Notes that the documentation is also available for download as a tarball. 
The documentation of the latest release is available online at:
http://jsoncpp.sourceforge.net/

* Generating amalgamated source and header
  ========================================

JsonCpp is provided with a script to generate a single header and a single
source file to ease inclusion in an existing project.

The amalgamated source can be generated at any time by running the following
command from the top-directory (requires python 2.6):

python amalgamate.py

It is possible to specify header name. See -h options for detail. By default,
the following files are generated:
- dist/jsoncpp.cpp: source file that need to be added to your project
- dist/json/json.h: header file corresponding to use in your project. It is
equivalent to including json/json.h in non-amalgamated source. This header
only depends on standard headers. 
- dist/json/json-forwards.h: header the provides forward declaration
of all JsonCpp types. This typically what should be included in headers to
speed-up compilation.

The amalgamated sources are generated by concatenating JsonCpp source in the
correct order and defining macro JSON_IS_AMALGAMATION to prevent inclusion
of other headers.

* Using json-cpp in your project:
  ===============================

include/ should be added to your compiler include path. jsoncpp headers 
should be included as follow:

#include <json/json.h>
  

* Adding a reader/writer test:
  ============================

To add a test, you need to create two files in test/data:
- a TESTNAME.json file, that contains the input document in JSON format.
- a TESTNAME.expected file, that contains a flatened representation of 
  the input document.
  
TESTNAME.expected file format:
- each line represents a JSON element of the element tree represented 
  by the input document.
- each line has two parts: the path to access the element separated from
  the element value by '='. Array and object values are always empty 
  (e.g. represented by either [] or {}).
- element path: '.' represented the root element, and is used to separate 
  object members. [N] is used to specify the value of an array element
  at index N.
See test_complex_01.json and test_complex_01.expected to better understand
element path.


* Understanding reader/writer test output:
  ========================================

When a test is run, output files are generated aside the input test files. 
Below is a short description of the content of each file:

- test_complex_01.json: input JSON document
- test_complex_01.expected: flattened JSON element tree used to check if 
    parsing was corrected.

- test_complex_01.actual: flattened JSON element tree produced by 
    jsontest.exe from reading test_complex_01.json
- test_complex_01.rewrite: JSON document written by jsontest.exe using the
    Json::Value parsed from test_complex_01.json and serialized using
    Json::StyledWritter.
- test_complex_01.actual-rewrite: flattened JSON element tree produced by 
    jsontest.exe from reading test_complex_01.rewrite.
test_complex_01.process-output: jsontest.exe output, typically useful to
    understand parsing error.

* License
  =======
  
See file LICENSE for details. Basically JsonCpp is licensed under 
MIT license, or public domain if desired and recognized in your jurisdiction.
The JsonCpp library's source code, including accompanying documentation, tests and demonstration applications, are licensed under the following conditions... The author (Baptiste Lepilleur) explicitly disclaims copyright in all jurisdictions which recognize such a disclaimer. In such jurisdictions, this software is released into the Public Domain. In jurisdictions which do not recognize Public Domain property (e.g. Germany as of 2010), this software is Copyright (c) 2007-2010 by Baptiste Lepilleur, and is released under the terms of the MIT License (see below). In jurisdictions which recognize Public Domain property, the user of this software may choose to accept it either as 1) Public Domain, 2) under the conditions of the MIT License (see below), or 3) under the terms of dual Public Domain/MIT License conditions described here, as they choose. The MIT License is about as close to Public Domain as a license can get, and is described in clear, concise terms at: http://en.wikipedia.org/wiki/MIT_License The full text of the MIT License follows: ======================================================================== Copyright (c) 2007-2010 Baptiste Lepilleur Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ======================================================================== (END LICENSE TEXT) The MIT license is compatible with both the GPL and commercial software, affording one all of the rights of Public Domain with the minor nuisance of being required to keep the above copyright notice and license text in the source code. Note also that by accepting the Public Domain "license" you can re-license your copy using whatever license you like.

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