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LibCYAML: Schema-based YAML parsing and serialisation
=====================================================
LibCYAML is a C library for reading and writing structured YAML documents.
It is written in ISO C11 and licensed under the ISC licence.
Overview
--------
The fundamental idea behind CYAML is to allow applications to construct
schemas which describe both the permissible structure of the YAML documents
to read/write, and the C data structure(s) in which the loaded data is
arranged in memory.
### Goals
* Make it easy to load YAML into client's custom C data structures.
* Good compromise between flexibility and simplicity.
### Features
* Load, Save and Free functions.
* Reads and writes arbitrary client data structures.
* Schema-driven, allowing control over permitted YAML, for example:
- Required / optional mapping fields.
- Allowed / disallowed values.
- Minimum / maximum sequence entry count.
- etc...
* Enumerations and flag words.
* YAML backtraces make it simple for users to fix their YAML to
conform to your schema.
* Uses standard [`libyaml`](https://github.com/yaml/libyaml) library for
low-level YAML read / write.
* Support for YAML aliases and anchors.
Building
--------
To build the library, run:
make
You can control the optimisation and building of asserts by setting
the build variant:
make VARIANT=debug
make VARIANT=release
Another debug build variant which is built with address sanitiser (incompatible
with valgrind) can be built with:
make VARIANT=san
Installation
------------
To install a release version of the library, run:
make install VARIANT=release
It will install to the PREFIX `/usr/local` by default, and it will use
DESTDIR and PREFIX from the environment if set.
Testing
-------
To run the tests, run any of the following, which generate various
levels of output verbosity (optionally setting `VARIANT=release`, or
`VARIANT=san`):
make test
make test-quiet
make test-verbose
make test-debug
To run the tests under `valgrind`, a similar set of targets is available:
make valgrind
make valgrind-quiet
make valgrind-verbose
make valgrind-debug
To run a single test or a subset of tests, use the `TESTLIST` variable, which
expects a space and/or comma separated list of test names:
make test-debug TESTLIST=test_load_mapping_without_any_fields
make valgrind-debug TESTLIST="test_load_no_log test_util_state_invalid"
To generate a test coverage report, `gcovr` is required:
make coverage
Documentation
-------------
To generate both public API documentation, and documentation of CYAML's
internals, `doxygen` is required:
make docs
Alternatively, the read the API documentation directly from the
[cyaml.h](https://github.com/tlsa/libcyaml/blob/main/include/cyaml/cyaml.h)
header file.
There is also a [tutorial](docs/guide.md).
Examples
--------
In addition to the documentation, you can study the [examples](examples/).
|
