#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# LAMMPS documentation build configuration file, created by
# sphinx-quickstart on Sat Sep  6 14:20:08 2014.
#
# This file is execfile()d with the current directory set to its
# containing dir.
#
# Note that not all possible configuration values are present in this
# autogenerated file.
#
# All configuration values have a default; values that are commented out
# serve to show the default.

import sys
import os

has_enchant = False
try:
    import enchant
    has_enchant = True
except:
    pass

LAMMPS_DOC_DIR = '@LAMMPS_DOC_DIR@'
LAMMPS_SOURCE_DIR = '@LAMMPS_SOURCE_DIR@'
LAMMPS_PYTHON_DIR = '@LAMMPS_PYTHON_DIR@'
LAMMPS_DOXYGEN_XML_DIR = '@DOXYGEN_XML_DIR@'

# If extensions (or modules to document with autodoc) are in another directory,
# add these directories to sys.path here. If the directory is relative to the
# documentation root, use os.path.abspath to make it absolute, like shown here.
#sys.path.insert(0, os.path.abspath('.'))
sys.path.append(os.path.join(LAMMPS_DOC_DIR, 'src', '_ext'))

# -- General configuration ------------------------------------------------

# If your documentation needs a minimal Sphinx version, state it here.
#needs_sphinx = '1.0'

# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.
extensions = [
    'sphinx.ext.mathjax',
    'sphinx.ext.imgmath',
    'sphinx.ext.autodoc',
    'sphinxfortran.fortran_domain',
    'sphinx_tabs.tabs',
    'table_from_list',
    'tab_or_note',
    'breathe',
]
# 2017-12-07: commented out, since this package is broken with Sphinx 16.x
#             yet we can no longer use Sphinx 15.x, since that breaks with
#             newer version of the multiprocessor module.
#    'sphinxcontrib.images',

images_config = {
  'default_image_width' : '25%',
  'default_group' : 'default'
}

# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']

# The suffix of source filenames.
source_suffix = '.rst'

# The encoding of source files.
#source_encoding = 'utf-8-sig'

# The master toctree document.
master_doc = 'Manual'

# General information about the project.
project = 'LAMMPS'
copyright = '2003-2021 Sandia Corporation'

def get_lammps_version():
    import os
    script_dir = os.path.dirname(os.path.realpath(__file__))
    with open(os.path.join(LAMMPS_SOURCE_DIR, 'version.h'), 'r') as f:
        line = f.readline()
        start_pos = line.find('"')+1
        end_pos = line.find('"', start_pos)
        return line[start_pos:end_pos]

def get_git_info():
    import subprocess,time

    git_n_date = ''
    try:
        gitinfo = subprocess.run(['git','describe'],stdout=subprocess.PIPE,stderr=subprocess.PIPE)
        if gitinfo.returncode == 0:
            git_n_date = gitinfo.stdout.decode().replace('_',' ')
    except:
        pass
    return git_n_date

def get_git_commit():
    import subprocess,time
    try:
        commit = subprocess.run(['git','rev-parse','HEAD'],stdout=subprocess.PIPE,stderr=subprocess.PIPE)
        if commit.returncode == 0:
            return commit.stdout.decode()
    except:
        pass
    return ''

# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
# built documents.
#
# The short X.Y version.
version = get_lammps_version()
# The full version, including alpha/beta/rc tags.
release = get_git_info()

git_commit = get_git_commit()

# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#language = None

# There are two options for replacing |today|: either, you set today to some
# non-false value, then it is used:
#today = ''
# Else, today_fmt is used as the format for a strftime call.
#today_fmt = '%B %d, %Y'

# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
exclude_patterns = ['_build']

# The reST default role (used for this markup: `text`) to use for all
# documents.
#default_role = None

# If true, '()' will be appended to :func: etc. cross-reference text.
#add_function_parentheses = True

# If true, the current module name will be prepended to all description
# unit titles (such as .. function::).
#add_module_names = True

# If true, sectionauthor and moduleauthor directives will be shown in the
# output. They are ignored by default.
#show_authors = False

# The name of the Pygments (syntax highlighting) style to use.
pygments_style = 'default'

# A list of ignored prefixes for module index sorting.
#modindex_common_prefix = []

# If true, keep warnings as "system message" paragraphs in the built documents.
#keep_warnings = False


# -- Options for HTML output ----------------------------------------------

# The theme to use for HTML and HTML Help pages.  See the documentation for
# a list of builtin themes.
html_theme = 'lammps_theme'

# Theme options are theme-specific and customize the look and feel of a theme
# further.  For a list of options available for each theme, see the
# documentation.
html_theme_options = {
   'logo_only' : True,
   'navigation_depth': 3,
   'collapse_navigation': True
}

# Add any paths that contain custom themes here, relative to this directory.
html_theme_path = ['_themes']

# The name for this set of Sphinx documents.  If None, it defaults to
# "<project> v<release> documentation".
html_title = "LAMMPS documentation"

# A shorter title for the navigation bar.  Default is the same as html_title.
#html_short_title = None

# The name of an image file (relative to this directory) to place at the top
# of the sidebar.
html_logo = '_static/lammps-logo.png'

# The name of an image file (within the static path) to use as favicon of the
# docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
# pixels large.
html_favicon = '_static/lammps.ico'

# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
html_static_path = ['_static']

# These paths are either relative to html_static_path
# or fully qualified paths (eg. https://...)
html_css_files = [
    'css/lammps.css',
]

# Add any extra paths that contain custom files (such as robots.txt or
# .htaccess) here, relative to this directory. These files are copied
# directly to the root of the documentation.
#html_extra_path = []

# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
# using the given strftime format.
#html_last_updated_fmt = '%b %d, %Y'

# If true, SmartyPants will be used to convert quotes and dashes to
# typographically correct entities.
#html_use_smartypants = True

# Custom sidebar templates, maps document names to template names.
#html_sidebars = {}

# Additional templates that should be rendered to pages, maps page names to
# template names.
#html_additional_pages = {}

# If false, no module index is generated.
#html_domain_indices = True

# If false, no index is generated.
#html_use_index = True

# If true, the index is split into individual pages for each letter.
#html_split_index = False

# If true, links to the reST sources are added to the pages.
html_show_sourcelink = False

# If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
#html_show_sphinx = True

# If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
#html_show_copyright = True

# If true, an OpenSearch description file will be output, and all pages will
# contain a <link> tag referring to it.  The value of this option must be the
# base URL from which the finished HTML is served.
#html_use_opensearch = ''

# This is the file name suffix for HTML files (e.g. ".xhtml").
#html_file_suffix = None

# Output file base name for HTML help builder.
htmlhelp_basename = 'LAMMPSdoc'

html_permalinks = True

html_baseurl = os.environ.get('LAMMPS_WEBSITE_BASEURL', '')

if 'epub' in sys.argv:
  html_math_renderer = 'imgmath'
else:
  html_math_renderer = 'mathjax'

# use relative path for mathjax, so it is looked for in the
# html tree and the manual becomes readable when offline 
mathjax_path = 'mathjax/es5/tex-mml-chtml.js'
# -- Options for LaTeX output ---------------------------------------------

latex_elements = {
# The paper size ('letterpaper' or 'a4paper').
#'papersize': 'letterpaper',

# The font size ('10pt', '11pt' or '12pt').
#'pointsize': '10pt',

# Additional stuff for the LaTeX preamble.
'preamble': r'''
\setcounter{tocdepth}{2}
'''
}

# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title,
#  author, documentclass [howto, manual, or own class]).
latex_documents = [
  ('Manual', 'LAMMPS.tex', 'LAMMPS Documentation',
   'The LAMMPS Developers', 'manual'),
]

# The name of an image file (relative to this directory) to place at the top of
# the title page.
#latex_logo = None

# For "manual" documents, if this is true, then toplevel headings are parts,
# not chapters.
#latex_use_parts = False
latex_toplevel_sectioning = 'part'
# If true, show page references after internal links.
#latex_show_pagerefs = False

# If true, show URL addresses after external links.
#latex_show_urls = False

# Documents to append as an appendix to all manuals.
#latex_appendices = []

# If false, no module index is generated.
#latex_domain_indices = True


# -- Options for manual page output ---------------------------------------

# One entry per manual page. List of tuples
# (source start file, name, description, authors, manual section).
man_pages = [
    ('Manual', 'lammps', 'LAMMPS Documentation',
     ['Steve Plimpton'], 1)
]

# If true, show URL addresses after external links.
#man_show_urls = False


# -- Options for Texinfo output -------------------------------------------

# Grouping the document tree into Texinfo files. List of tuples
# (source start file, target name, title, author,
#  dir menu entry, description, category)
texinfo_documents = [
  ('Manual', 'LAMMPS', 'LAMMPS Documentation',
   'LAMMPS', 'One line description of project.',
   'Miscellaneous'),
]

# Documents to append as an appendix to all manuals.
#texinfo_appendices = []

# If false, no module index is generated.
#texinfo_domain_indices = True

# How to display URL addresses: 'footnote', 'no', or 'inline'.
#texinfo_show_urls = 'footnote'

# If true, do not generate a @detailmenu in the "Top" node's menu.
#texinfo_no_detailmenu = False

# -- Options for ePUB output ----------------------------------------------

epub_title = 'LAMMPS Documentation - ' + get_lammps_version()

epub_cover = ('_static/lammps-logo.png', '')

epub_description = """
This is the Manual for the LAMMPS software package.

LAMMPS stands for Large-scale Atomic/Molecular Massively Parallel
Simulator and is a classical molecular dynamics simulation code
designed to run efficiently on parallel computers.  It was developed
at Sandia National Laboratories, a US Department of Energy facility,
with funding from the DOE.  It is an open-source code, distributed
freely under the terms of the GNU Public License (GPL).

The primary author of the code is Steve Plimpton, who can be emailed
at sjplimp@sandia.gov.  The LAMMPS WWW Site at www.lammps.org has
more information about the code and its uses.
"""

epub_author = 'The LAMMPS Developers'

# configure spelling extension if present
import importlib.util
spelling_spec = importlib.util.find_spec("sphinxcontrib.spelling")
if spelling_spec and has_enchant:
    extensions.append('sphinxcontrib.spelling')

    spelling_lang='en_US'
    spelling_word_list_filename='false_positives.txt'

conf_script_dir = os.path.dirname(os.path.realpath(__file__))
sys.path.append(os.path.join(conf_script_dir, '.'))
import LAMMPSLexer
from sphinx.highlighting import lexers

lexers['LAMMPS'] = LAMMPSLexer.LAMMPSLexer(startinline=True)

sys.path.append(LAMMPS_PYTHON_DIR)

# avoid syntax highlighting in blocks that don't specify language
highlight_language = 'none'

# autodoc configuration

autodoc_member_order = 'bysource'
#autoclass_content = 'both'

# breathe configuration

breathe_projects = { 'progguide' : LAMMPS_DOXYGEN_XML_DIR }
breathe_default_project = 'progguide'
breathe_show_define_initializer = True
breathe_domain_by_extension = { 'h'   : 'cpp',
                                'cpp' : 'cpp',
                                'c'   : 'c',
                                }

# allows showing multiple versions
try:
   html_context
except NameError:
   html_context = dict()

is_website_build = os.environ.get('LAMMPS_WEBSITE_BUILD', '0') != '0'

html_context['display_manual_versions'] = is_website_build
html_context['current_version'] = os.environ.get('LAMMPS_WEBSITE_BUILD_VERSION', version)
html_context['git_commit'] = git_commit
html_context['versions'] = [
  ('latest', 'https://docs.lammps.org/latest/'),
  (version, 'https://docs.lammps.org/')
]
html_context['downloads'] = [('PDF', 'Manual.pdf')]