Initial commit without calling 'update.py'

cmake_minimum_required(VERSION 3.1)

project(nlohmann_json LANGUAGES CXX)

add_library(nlohmann_json INTERFACE)

add_library(nlohmann_json::nlohmann_json ALIAS nlohmann_json)

target_include_directories(nlohmann_json

  INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/include

)

if (${CMAKE_VERSION} VERSION_LESS "3.8.0")

  target_compile_features(nlohmann_json INTERFACE cxx_range_for)

else()

  target_compile_features(nlohmann_json INTERFACE cxx_std_11)

endif()

MIT License 

Copyright (c) 2013-2017 Niels Lohmann

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.

# Release-tracking repository for nlohmann/json

This repository is based on: [astoeckel/json](https://github.com/astoeckel/json)

The goal is to provide a lightweight repository tracking every releases of

[nlohmann/json](https://github.com/nlohmann/json).

This repository is compatible with cmake [FetchContent](https://cmake.org/cmake/help/v3.11/module/FetchContent.html).

You can depends on nlohmann/json using:

**Example**:

~~~cmake

include(FetchContent)

FetchContent_Declare(json

  GIT_REPOSITORY https://github.com/ArthurSonzogni/nlohman_json

  GIT_TAG no-tag-yet)

FetchContent_GetProperties(json)

if(NOT json_POPULATED)

  FetchContent_Populate(json)

  add_subdirectory(${json_SOURCE_DIR} ${json_BINARY_DIR} EXCLUDE_FROM_ALL)

endif()

target_link_libraries(foo PRIVATE nlohmann_json::nlohmann_json)

~~~

You can replace always replace the URL by the official repository:

https://github.com/nlohmann/json

The only difference is the download size. It will several orders of magnitude

larger.

This repository is fully autonomous. It updates itself every week using github

actions.

See:

- [#2073](https://github.com/nlohmann/json/issues/2073),

- [#732](https://github.com/nlohmann/json/issues/732),

- [#620](https://github.com/nlohmann/json/issues/620),

- [#556](https://github.com/nlohmann/json/issues/556),

- [#482](https://github.com/nlohmann/json/issues/482),

- [#96](https://github.com/nlohmann/json/issues/96)

project('nlohmann_json', 'cpp')

nlohmann_json_inc = include_directories('include')

nlohmann_json_dep = declare_dependency(

  include_directories : nlohmann_json_inc

)

#!/usr/bin/env python3

import sys, os

import json

import subprocess

import urllib.request

import hashlib

# Go to the directory this script is stored in

os.chdir(os.path.dirname(os.path.realpath(__file__)))

# Download release data

releases = json.loads(str(urllib.request.urlopen('https://api.github.com/repos/nlohmann/json/releases').read(), 'utf-8'))

# Fetch all releases and the corresponding URL

release_url_map = []

for release in releases:

  for asset in release['assets']:

    if asset['name'] == 'json.hpp':

      release_url_map.append((release['tag_name'], asset['browser_download_url'], release['body']))

# List all git tags

process = subprocess.Popen(['git', 'tag'], stdout=subprocess.PIPE)

tags, _ = process.communicate()

tags = set(filter(None, str(tags, 'utf-8').split("\n")))

print("Releases already contained in this repository are " + str(tags))

# Go over the release_url_map in reverse order; if a release is not yet a Git

# tag, download the file, commit and add a tag

did_update = False

for tag, url, body in release_url_map[::-1]:

  if not tag in tags:

    print("Downloading release " + tag + " from " + url)

    os.makedirs('./include', mode=0o777, exist_ok=True)

    os.makedirs('./include/nlohmann', mode=0o777, exist_ok=True)

    data = urllib.request.urlopen(url).read();

    with open('./include/nlohmann/json.hpp', 'wb') as f:

      f.write(data)

    # Try to download the json_fwd.hpp header -- only exists since release

    # v3.1.0

    has_json_fwd = False

    try:

      json_fwd_url = 'https://github.com/nlohmann/json/raw/{}/include/nlohmann/json_fwd.hpp'.format(tag);

      print("Trying to download " + json_fwd_url)

      data = urllib.request.urlopen(json_fwd_url).read();

      with open('./include/nlohmann/json_fwd.hpp', 'wb') as f:

        f.write(data)

      has_json_fwd = True

    except:

      pass

    subprocess.call(['git', 'add', './include/nlohmann/json.hpp'])

    if has_json_fwd:

      subprocess.call(['git', 'add', './include/nlohmann/json_fwd.hpp'])

    subprocess.call(['git', 'commit', '-m', 'Upstream release ' + tag])

    subprocess.call(['git', 'tag', '-a', tag, '-m', body])

    did_update = True

# Push the updated Git repository

if did_update:

  subprocess.call(['git', 'push', '--tags'])

  subprocess.call(['git', 'push'])