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Merge pull request #282 from keithkml/patch-1

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Clarify which parts of README for users vs devs
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Christopher Dunn 2015-05-20 20:33:31 -05:00
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1 changed files with 33 additions and 29 deletions
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README.md
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@ -19,12 +19,14 @@ format to store user input files.
* `0.y.z` can be used with older compilers.
* Major versions maintain binary-compatibility.
Using JsonCpp in your project
# Using JsonCpp in your project
-----------------------------
The recommended approach to integrating JsonCpp in your project is to build
the amalgamated source (a single `.cpp` file) with your own build system. This
ensures consistency of compilation flags and ABI compatibility. See the section
"Generating amalgamated source and header" for instructions.
The recommended approach to integrating JsonCpp in your project is to include
the [amalgamated source](#generating-amalgamated-source-and-header) (a single
`.cpp` file and two `.h` files) in your project, and compile and build as you
would any other source file. This ensures consistency of compilation flags and
ABI compatibility, issues which arise when building shared or static
libraries. See the next section for instructions.
The `include/` should be added to your compiler include path. Jsoncpp headers
should be included as follow:
@ -34,6 +36,31 @@ should be included as follow:
If JsonCpp was built as a dynamic library on Windows, then your project needs to
define the macro `JSON_DLL`.
Generating amalgamated source and header
----------------------------------------
JsonCpp is provided with a script to generate a single header and a single
source file to ease inclusion into an existing project. The amalgamated source
can be generated at any time by running the following command from the
top-directory (this requires Python 2.6):
python amalgamate.py
It is possible to specify header name. See the `-h` option for detail.
By default, the following files are generated:
* `dist/jsoncpp.cpp`: source file that needs to be added to your project.
* `dist/json/json.h`: corresponding header file for 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 that provides forward declaration of all
JsonCpp types.
The amalgamated sources are generated by concatenating JsonCpp source in the
correct order and defining the macro `JSON_IS_AMALGAMATION` to prevent inclusion
of other headers.
# Contributing to JsonCpp
Building and testing with CMake
-------------------------------
[CMake][] is a C++ Makefiles/Solution generator. It is usually available on most
@ -106,7 +133,7 @@ If you are building with Microsoft Visual Studio 2008, you need to set up the
environment by running `vcvars32.bat` (e.g. MSVC 2008 command prompt) before
running SCons.
# Running the tests manually
## Running the tests manually
You need to run tests manually only if you are troubleshooting an issue.
In the instructions below, replace `path/to/jsontest` with the path of the
@ -142,29 +169,6 @@ Run the Python script `doxybuild.py` from the top directory:
See `doxybuild.py --help` for options.
Generating amalgamated source and header
----------------------------------------
JsonCpp is provided with a script to generate a single header and a single
source file to ease inclusion into an existing project. The amalgamated source
can be generated at any time by running the following command from the
top-directory (this requires Python 2.6):
python amalgamate.py
It is possible to specify header name. See the `-h` option for detail.
By default, the following files are generated:
* `dist/jsoncpp.cpp`: source file that needs to be added to your project.
* `dist/json/json.h`: corresponding header file for 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 that provides forward declaration of all
JsonCpp types.
The amalgamated sources are generated by concatenating JsonCpp source in the
correct order and defining the macro `JSON_IS_AMALGAMATION` to prevent inclusion
of other headers.
Adding a reader/writer test
---------------------------
To add a test, you need to create two files in test/data: