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# D:YAML
[](https://travis-ci.org/dlang-community/D-YAML)
[](https://codecov.io/gh/dlang-community/D-YAML)
[](http://code.dlang.org/packages/dyaml)
## Introduction
D:YAML is an open source YAML parser and emitter library for the D programming language.
It is [almost](https://dlang-community.github.io/D-YAML/articles/spec_differences.html) compliant to the YAML 1.1 specification.
D:YAML is based on [PyYAML](http://www.pyyaml.org) created by Kirill Simonov.
D:YAML is designed to be easy to use while supporting the full feature set of YAML.
To start using it in your project, see the [Getting Started](https://dlang-community.github.io/D-YAML/tutorials/getting_started.html) tutorial.
## Features
- Easy to use, high level API and detailed debugging messages.
- Detailed API documentation and tutorials.
- Code examples.
- Supports all YAML 1.1 constructs. All examples from the YAML 1.1
specification are parsed correctly.
- Reads from and writes from/to YAML files or in-memory buffers.
- UTF-8, UTF-16 and UTF-32 encodings are supported, both big and
little endian (plain ASCII also works as it is a subset of UTF-8).
- Support for both block (Python-like, based on indentation) and flow
(JSON-like, based on bracing) constructs.
- Support for YAML anchors and aliases.
- Support for default values in mappings.
- Support for custom tags (data types), and implicit tag resolution
for custom scalar tags.
- All tags (data types) described at <http://yaml.org/type/> are
supported, with the exception of `tag:yaml.org,2002:yaml`, which is
used to represent YAML code in YAML.
- Remembers YAML style information between loading and dumping if
possible.
- Reuses input memory and uses slices to minimize memory allocations.
- There is no support for recursive data structures. There are no
plans to implement this at the moment.
## Directory structure
| Directory | Contents |
|---------------|--------------------------------|
| `./` | This README, utility scripts. |
| `./docs` | Documentation. |
| `./source` | Source code. |
| `./examples/` | Example projects using D:YAML. |
| `./test` | Unittest data. |
## Installing and tutorial
See the [Getting Started](https://dlang-community.github.io/D-YAML/tutorials/getting_started.html).
Tutorial and other tutorials that can be found at the [GitHub pages](https://dlang-community.github.io/D-YAML/) or in the `docs` directory of the repository.
API documentation is available [here](https://dyaml.dpldocs.info/dyaml.html).
## License
D:YAML is released under the terms of the [Boost Software
License 1.0](http://www.boost.org/LICENSE_1_0.txt). This license allows
you to use the source code in your own projects, open source or
proprietary, and to modify it to suit your needs. However, in source
distributions, you have to preserve the license headers in the source
code and the accompanying license file.
Full text of the license can be found in file `LICENSE_1_0.txt` and is
also displayed here:
Boost Software License - Version 1.0 - August 17th, 2003
Permission is hereby granted, free of charge, to any person or organization
obtaining a copy of the software and accompanying documentation covered by
this license (the "Software") to use, reproduce, display, distribute,
execute, and transmit the Software, and to prepare derivative works of the
Software, and to permit third-parties to whom the Software is furnished to
do so, all subject to the following:
The copyright notices in the Software and this entire statement, including
the above license grant, this restriction and the following disclaimer,
must be included in all copies of the Software, in whole or in part, and
all derivative works of the Software, unless such copies or derivative
works are solely in the form of machine-executable object code generated by
a source language processor.
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, TITLE AND NON-INFRINGEMENT. IN NO EVENT
SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
## Credits
D:YAML was created by Ferdinand Majerech aka Kiith-Sa and is handled by the [dlang-community](https://github.com/dlang-community) organization since 2017.
Parts of code based on [PyYAML](http://www.pyyaml.org) created by Kirill Simonov.
|
