--- /dev/null
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Base entities of a nitiwiki.
+module wiki_base
+
+import template::macro
+import markdown
+import opts
+import ini
+
+# A Nitiwiki instance.
+#
+# Nitiwiki provide all base services used by `WikiSection` and `WikiArticle`.
+# It manages content and renders pages.
+#
+# Each nitiwiki instance is linked to a config file.
+# This file show to `nitiwiki` that a wiki is present in the current directory.
+# Without it, nitiwiki will consider the directory as empty.
+class Nitiwiki
+
+ # Wiki config object.
+ var config: WikiConfig
+
+ # Default config filename.
+ var config_filename = "config.ini"
+
+ # Force render on all file even if the source is unmodified.
+ var force_render = false is writable
+
+ # Verbosity level.
+ var verbose_level = 0 is writable
+
+ # Delete all the output files.
+ fun clean do
+ var out_dir = expand_path(config.root_dir, config.out_dir)
+ if out_dir.file_exists then out_dir.rmdir
+ end
+
+ # Synchronize local output with the distant `WikiConfig::rsync_dir`.
+ fun sync do
+ var root = expand_path(config.root_dir, config.out_dir)
+ sys.system "rsync -vr --delete {root}/ {config.rsync_dir}"
+ end
+
+ fun fetch do
+ sys.system "git pull {config.git_origin} {config.git_branch}"
+ end
+
+ # Analyze wiki files from `dir` to build wiki entries.
+ #
+ # This method build a hierarchical structure of `WikiSection` and `WikiArticle`
+ # based on the markdown source structure.
+ fun parse do
+ var dir = expand_path(config.root_dir, config.source_dir)
+ root_section = new_section(dir)
+ var files = list_md_files(dir)
+ for file in files do
+ new_article(file)
+ end
+ end
+
+ # Show wiki status.
+ fun status do
+ print "nitiWiki"
+ print "name: {config.wiki_name}"
+ print "config: {config.ini_file}"
+ print "url: {config.root_url}"
+ print ""
+ if root_section.is_dirty then
+ print "There is modified files:"
+ var paths = entries.keys.to_a
+ var s = new DefaultComparator
+ s.sort(paths)
+ for path in paths do
+ var entry = entries[path]
+ if not entry.is_dirty then continue
+ var name = entry.name
+ if entry.has_source then name = entry.src_path.to_s
+ if entry.is_new then
+ print " + {name}"
+ else
+ print " * {name}"
+ end
+ end
+ print ""
+ print "Use nitiwiki --render to render modified files"
+ else
+ print "Wiki is up-to-date"
+ print ""
+ print "Use nitiwiki --fetch to pull modification from origin"
+ print "Use nitiwiki --rsync to synchronize distant output"
+ end
+ end
+
+ # Display msg if `level >= verbose_level`
+ fun message(msg: String, level: Int) do
+ if level <= verbose_level then print msg
+ end
+
+ # List markdown source files from a directory.
+ fun list_md_files(dir: String): Array[String] do
+ var files = new Array[String]
+ var pipe = new IProcess("find", dir, "-name", "*.md")
+ while not pipe.eof do
+ var file = pipe.read_line
+ if file == "" then break # last line
+ file = file.substring(0, file.length - 1) # strip last oef
+ var name = file.basename(".md")
+ if name == "header" or name == "footer" or name == "menu" then continue
+ files.add file
+ end
+ pipe.close
+ pipe.wait
+ if pipe.status != 0 then exit 1
+ var s = new DefaultComparator
+ s.sort(files)
+ return files
+ end
+
+ # Does `src` have been modified since `target` creation?
+ #
+ # Always returns `true` if `--force` is on.
+ fun need_render(src, target: String): Bool do
+ if force_render then return true
+ if not target.file_exists then return true
+ return src.file_stat.mtime >= target.file_stat.mtime
+ end
+
+ # Create a new `WikiSection`.
+ #
+ # `path` is used to determine the place in the wiki hierarchy.
+ protected fun new_section(path: String): WikiSection do
+ path = path.simplify_path
+ if entries.has_key(path) then return entries[path].as(WikiSection)
+ var root = expand_path(config.root_dir, config.source_dir)
+ var name = path.basename("")
+ var section = new WikiSection(self, name)
+ entries[path] = section
+ if path == root then return section
+ var ppath = path.dirname
+ if ppath != path then
+ var parent = new_section(ppath)
+ parent.add_child(section)
+ end
+ section.try_load_config
+ return section
+ end
+
+ # Create a new `WikiArticle`.
+ #
+ # `path` is used to determine the ancestor sections.
+ protected fun new_article(path: String): WikiArticle do
+ if entries.has_key(path) then return entries[path].as(WikiArticle)
+ var article = new WikiArticle.from_source(self, path)
+ var section = new_section(path.dirname)
+ section.add_child(article)
+ entries[path] = article
+ return article
+ end
+
+ # Wiki entries found in the last `lookup_hierarchy`.
+ var entries = new HashMap[String, WikiEntry]
+
+ # The root `WikiSection` of the site found in the last `lookup_hierarchy`.
+ var root_section: WikiSection is noinit
+
+ # Does a template named `name` exists for this wiki?
+ fun has_template(name: String): Bool do
+ return expand_path(config.root_dir, config.templates_dir, name).file_exists
+ end
+
+ # Load a template file as a `TemplateString`.
+ #
+ # REQUIRE: `has_template`
+ fun load_template(name: String): TemplateString do
+ assert has_template(name)
+ var file = expand_path(config.root_dir, config.templates_dir, name)
+ var tpl = new TemplateString.from_file(file)
+ if tpl.has_macro("ROOT_URL") then
+ tpl.replace("ROOT_URL", config.root_url)
+ end
+ if tpl.has_macro("TITLE") then
+ tpl.replace("TITLE", config.wiki_name)
+ end
+ if tpl.has_macro("SUBTITLE") then
+ tpl.replace("SUBTITLE", config.wiki_desc)
+ end
+ if tpl.has_macro("LOGO") then
+ tpl.replace("LOGO", config.wiki_logo)
+ end
+ return tpl
+ end
+
+ # Join `parts` as a path and simplify it
+ fun expand_path(parts: String...): String do
+ var path = ""
+ for part in parts do
+ path = path.join_path(part)
+ end
+ return path.simplify_path
+ end
+
+ fun pretty_name(name: String): String do
+ name = name.replace("_", " ")
+ name = name.capitalized
+ return name
+ end
+end
+
+# A wiki is composed of hierarchical entries.
+abstract class WikiEntry
+
+ # `Nitiwiki` this entry belongs to.
+ var wiki: Nitiwiki
+
+ # Entry data
+
+ # Entry internal name.
+ #
+ # Mainly used in urls.
+ var name: String
+
+ # Displayed title for `self`.
+ #
+ # If `self` is the root entry then display the wiki `WikiConfig::wiki_name` instead.
+ fun title: String do
+ if is_root then return wiki.config.wiki_name
+ return wiki.pretty_name(name)
+ end
+
+ # Is this section rendered from a source document?
+ #
+ # Source is an abstract concept at this level.
+ # It can represent a directory, a source file,
+ # a part of a file, everything needed to
+ # extend this base framework.
+ fun has_source: Bool do return src_path != null
+
+ # Entry creation time.
+ #
+ # Returns `-1` if not `has_source`.
+ fun create_time: Int do
+ if not has_source then return -1
+ return src_full_path.file_stat.ctime
+ end
+
+ # Entry last modification time.
+ #
+ # Returns `-1` if not `has_source`.
+ fun last_edit_time: Int do
+ if not has_source then return -1
+ return src_full_path.file_stat.mtime
+ end
+
+ # Entry list rendering time.
+ #
+ # Returns `-1` if `is_new`.
+ fun last_render_time: Int do
+ if is_new then return -1
+ return out_full_path.file_stat.mtime
+ end
+
+ # Entries hierarchy
+
+ # Type of the parent entry.
+ type PARENT: WikiEntry
+
+ # Parent entry if any.
+ var parent: nullable PARENT = null
+
+ # Does `self` have a parent?
+ fun is_root: Bool do return parent == null
+
+ # Children labelled by `name`.
+ var children = new HashMap[String, WikiEntry]
+
+ # Does `self` have a child nammed `name`?
+ fun has_child(name: String): Bool do return children.keys.has(name)
+
+ # Retrieve the child called `name`.
+ fun child(name: String): WikiEntry do return children[name]
+
+ # Add a sub-entry to `self`.
+ fun add_child(entry: WikiEntry) do
+ entry.parent = self
+ children[entry.name] = entry
+ end
+
+ # Paths and urls
+
+ # Breadcrumbs from the `Nitiwiki::root_section` to `self`.
+ #
+ # Result is returned as an array containg ordered entries:
+ # `breadcrumbs.first` is the root entry and
+ # `breadcrumbs.last == self`
+ fun breadcrumbs: Array[WikiEntry] is cached do
+ var path = new Array[WikiEntry]
+ var entry: nullable WikiEntry = self
+ while entry != null and not entry.is_root do
+ path.add entry
+ entry = entry.parent
+ end
+ return path.reversed
+ end
+
+ # Relative path from `wiki.config.root_dir` to source if any.
+ fun src_path: nullable String is abstract
+
+ # Absolute path to the source if any.
+ fun src_full_path: nullable String do
+ var src = src_path
+ if src == null then return null
+ return wiki.config.root_dir.join_path(src)
+ end
+
+ # Relative path from `wiki.config.root_dir` to rendered output.
+ #
+ # Like `src_path`, this method can represent a
+ # directory or a file.
+ fun out_path: String is abstract
+
+ # Absolute path to the output.
+ fun out_full_path: String do return wiki.config.root_dir.join_path(out_path)
+
+ # Rendering
+
+ # Does `self` have already been rendered?
+ fun is_new: Bool do return not out_full_path.file_exists
+
+ # Does `self` rendered output is outdated?
+ #
+ # Returns `true` if `is_new` then check in children.
+ fun is_dirty: Bool do
+ if is_new then return true
+ if has_source then
+ if last_edit_time >= last_render_time then return true
+ end
+ for child in children.values do
+ if child.is_dirty then return true
+ end
+ return false
+ end
+
+ # Render `self` and `children` is needed.
+ fun render do for child in children.values do child.render
+
+ # Templating
+
+ # Template file for `self`.
+ #
+ # Each entity can use a custom template.
+ # By default the template is inherited from the parent.
+ #
+ # If the root does not have a custom template,
+ # then returns the main wiki template file.
+ fun template_file: String do
+ if is_root then return wiki.config.template_file
+ return parent.template_file
+ end
+
+ # Header template file for `self`.
+ #
+ # Behave like `template_file`.
+ fun header_file: String do
+ if is_root then return wiki.config.header_file
+ return parent.header_file
+ end
+
+ # Footer template file for `self`.
+ #
+ # Behave like `template_file`.
+ fun footer_file: String do
+ if is_root then return wiki.config.footer_file
+ return parent.footer_file
+ end
+
+ # Menu template file for `self`.
+ #
+ # Behave like `template_file`.
+ fun menu_file: String do
+ if is_root then return wiki.config.menu_file
+ return parent.menu_file
+ end
+
+ # Display the entry `name`.
+ redef fun to_s do return name
+end
+
+# Each WikiSection is related to a source directory.
+#
+# A section can contain other sub-sections or pages.
+class WikiSection
+ super WikiEntry
+
+ # A section can only have another section as parent.
+ redef type PARENT: WikiSection
+
+ redef fun title do
+ if has_config then
+ var title = config.title
+ if title != null then return title
+ end
+ return super
+ end
+
+ # Is this section hidden?
+ #
+ # Hidden section are rendered but not linked in menus.
+ fun is_hidden: Bool do
+ if has_config then return config.is_hidden
+ return false
+ end
+
+ # Source directory.
+ redef fun src_path: String do
+ if parent == null then
+ return wiki.config.source_dir
+ else
+ return wiki.expand_path(parent.src_path, name)
+ end
+ end
+
+ # Config
+
+ # Custom configuration file for this section.
+ var config: nullable SectionConfig = null
+
+ # Does this section have its own config file?
+ fun has_config: Bool do return config != null
+
+ # Try to load the config file for this section.
+ private fun try_load_config do
+ var cfile = wiki.expand_path(wiki.config.root_dir, src_path, wiki.config_filename)
+ if not cfile.file_exists then return
+ wiki.message("Custom config for section {name}", 2)
+ config = new SectionConfig(cfile)
+ end
+
+ # Templating
+
+ # Also check custom config.
+ redef fun template_file do
+ if has_config then
+ var tpl = config.template_file
+ if tpl != null then return tpl
+ end
+ if is_root then return wiki.config.template_file
+ return parent.template_file
+ end
+
+ # Also check custom config.
+ redef fun header_file do
+ if has_config then
+ var tpl = config.header_file
+ if tpl != null then return tpl
+ end
+ if is_root then return wiki.config.header_file
+ return parent.header_file
+ end
+
+ # Also check custom config.
+ redef fun footer_file do
+ if has_config then
+ var tpl = config.footer_file
+ if tpl != null then return tpl
+ end
+ if is_root then return wiki.config.footer_file
+ return parent.footer_file
+ end
+
+ # Also check custom config.
+ redef fun menu_file do
+ if has_config then
+ var tpl = config.menu_file
+ if tpl != null then return tpl
+ end
+ if is_root then return wiki.config.menu_file
+ return parent.menu_file
+ end
+end
+
+# Each WikiArticle is related to a HTML file.
+#
+# Article can be created from scratch using this API or
+# automatically from a markdown source file (see: `from_source`).
+class WikiArticle
+ super WikiEntry
+
+ # Articles can only have `WikiSection` as parents.
+ redef type PARENT: WikiSection
+
+ redef fun title: String do
+ if name == "index" and parent != null then return parent.title
+ return super
+ end
+
+ # Page content.
+ #
+ # What you want to be displayed in the page.
+ var content: nullable Streamable = null
+
+ # Headlines ids and titles.
+ var headlines = new ArrayMap[String, HeadLine]
+
+ # Create a new articleu sing a markdown source file.
+ init from_source(wiki: Nitiwiki, md_file: String) do
+ src_full_path = md_file
+ init(wiki, md_file.basename(".md"))
+ var md_proc = new MarkdownProcessor
+ content = md_proc.process(md)
+ headlines = md_proc.emitter.decorator.headlines
+ end
+
+ redef var src_full_path: nullable String = null
+
+ redef fun src_path do
+ if src_full_path == null then return null
+ return src_full_path.substring_from(wiki.config.root_dir.length)
+ end
+
+ # The page markdown source content.
+ #
+ # Extract the markdown text from `source_file`.
+ #
+ # REQUIRE: `has_source`.
+ fun md: String is cached do
+ assert has_source
+ var file = new IFStream.open(src_full_path.to_s)
+ var md = file.read_all
+ file.close
+ return md
+ end
+
+ # Returns true if has source and
+ # `last_edit_date` > 'last_render_date'.
+ redef fun is_dirty do
+ if super then return true
+ if has_source then
+ return wiki.need_render(src_full_path.to_s, out_full_path)
+ end
+ return false
+ end
+
+ redef fun to_s do return "{name} ({parent or else "null"})"
+end
+
+# Wiki configuration class.
+#
+# This class provides services that ensure static typing when accessing the `config.ini` file.
+class WikiConfig
+ super ConfigTree
+
+ # Returns the config value at `key` or return `default` if no key was found.
+ private fun value_or_default(key: String, default: String): String do
+ if not has_key(key) then return default
+ return self[key]
+ end
+
+ # Site name displayed.
+ #
+ # The title is used as home title and in headers.
+ #
+ # * key: `wiki.name`
+ # * default: `MyWiki`
+ fun wiki_name: String is cached do return value_or_default("wiki.name", "MyWiki")
+
+ # Site description.
+ #
+ # Displayed in header.
+ #
+ # * key: `wiki.desc`
+ # * default: ``
+ fun wiki_desc: String is cached do return value_or_default("wiki.desc", "")
+
+ # Site logo url.
+ #
+ # Url of the image to be displayed in header.
+ #
+ # * key: `wiki.logo`
+ # * default: ``
+ fun wiki_logo: String is cached do return value_or_default("wiki.logo", "")
+
+ # Root url of the wiki.
+ #
+ # * key: `wiki.root_url`
+ # * default: `http://localhost/`
+ fun root_url: String is cached do return value_or_default("wiki.root_url", "http://localhost/")
+
+
+ # Root directory of the wiki.
+ #
+ # Directory where the wiki files are stored locally.
+ #
+ # * key: `wiki.root_dir`
+ # * default: `./`
+ fun root_dir: String is cached do return value_or_default("wiki.root_dir", "./").simplify_path
+
+ # Pages directory.
+ #
+ # Directory where markdown source files are stored.
+ #
+ # * key: `wiki.source_dir
+ # * default: `pages/`
+ fun source_dir: String is cached do
+ return value_or_default("wiki.source_dir", "pages/").simplify_path
+ end
+
+ # Output directory.
+ #
+ # Directory where public wiki files are generated.
+ # **This path MUST be relative to `root_dir`.**
+ #
+ # * key: `wiki.out_dir`
+ # * default: `out/`
+ fun out_dir: String is cached do return value_or_default("wiki.out_dir", "out/").simplify_path
+
+ # Asset files directory.
+ #
+ # Directory where public assets like JS scripts or CSS files are stored.
+ # **This path MUST be relative to `root_dir`.**
+ #
+ # * key: `wiki.assets_dir`
+ # * default: `assets/`
+ fun assets_dir: String is cached do
+ return value_or_default("wiki.assets_dir", "assets/").simplify_path
+ end
+
+ # Template files directory.
+ #
+ # Directory where template used in HTML generation are stored.
+ # **This path MUST be relative to `root_dir`.**
+ #
+ # * key: `wiki.templates_dir`
+ # * default: `templates/`
+ fun templates_dir: String is cached do
+ return value_or_default("wiki.templates_dir", "templates/").simplify_path
+ end
+
+ # Main template file.
+ #
+ # The main template is used to specify the overall structure of a page.
+ #
+ # * key: `wiki.template`
+ # * default: `template.html`
+ fun template_file: String is cached do
+ return value_or_default("wiki.template", "template.html")
+ end
+
+ # Main header template file.
+ #
+ # Used to specify the structure of the page header.
+ # This is generally the place where you want to put your logo and wiki title.
+ #
+ # * key: `wiki.header`
+ # * default: `header.html`
+ fun header_file: String is cached do
+ return value_or_default("wiki.header", "header.html")
+ end
+
+ # Main menu template file.
+ #
+ # Used to specify the menu structure.
+ #
+ # * key: `wiki.menu`
+ # * default: `menu.html`
+ fun menu_file: String is cached do
+ return value_or_default("wiki.menu", "menu.html")
+ end
+
+ # Main footer file.
+ #
+ # The main footer is used to specify the structure of the page footer.
+ # This is generally the place where you want to put your copyright.
+ #
+ # * key: `wiki.footer`
+ # * default: `footer.html`
+ fun footer_file: String is cached do
+ return value_or_default("wiki.footer", "footer.html")
+ end
+
+ # Directory used by rsync to upload wiki files.
+ #
+ # This information is used to update your distant wiki files (like the webserver).
+ #
+ # * key: `wiki.rsync_dir`
+ # * default: ``
+ fun rsync_dir: String is cached do return value_or_default("wiki.rsync_dir", "")
+
+ # Remote repository used to pull modifications on sources.
+ #
+ # * key: `wiki.git_origin`
+ # * default: `origin`
+ fun git_origin: String is cached do return value_or_default("wiki.git_origin", "origin")
+
+ # Remote branch used to pull modifications on sources.
+ #
+ # * key: `wiki.git_branch`
+ # * default: `master`
+ fun git_branch: String is cached do return value_or_default("wiki.git_branch", "master")
+end
+
+# WikiSection custom configuration.
+#
+# Each section can provide its own config file to customize
+# appearance or behavior.
+class SectionConfig
+ super ConfigTree
+
+ # Returns the config value at `key` or `null` if no key was found.
+ private fun value_or_null(key: String): nullable String do
+ if not has_key(key) then return null
+ return self[key]
+ end
+
+ # Is this section hidden in sitemap and trees and menus?
+ fun is_hidden: Bool do return value_or_null("section.hidden") == "true"
+
+ # Custom section title if any.
+ fun title: nullable String do return value_or_null("section.title")
+
+ # Custom template file if any.
+ fun template_file: nullable String do return value_or_null("section.template")
+
+ # Custom header file if any.
+ fun header_file: nullable String do return value_or_null("section.header")
+
+ # Custom menu file if any.
+ fun menu_file: nullable String do return value_or_null("section.menu")
+
+ # Custom footer file if any.
+ fun footer_file: nullable String do return value_or_null("section.footer")
+end
nitlanguage / nit.git / commitdiff