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Merge pull request #261 from bhollis/page

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Callback-based rerouting
This commit is contained in:
Thomas Reynolds 2012-02-05 10:33:25 -08:00
parent b72fb23435 e136fab77c
commit c8c6a1938e
9 changed files with 130 additions and 136 deletions
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2
middleman-core/features/wildcard_page_helper.feature
View file

@ -15,5 +15,5 @@ Feature: Wildcards in Page helper
Then I should see "Normal Layout"
When I go to "/admin/"
Then I should see "Admin Layout"
When I go to "/admin/page.html"
When I go to "/admin/page/"
Then I should see "Admin Layout"

8
middleman-core/lib/middleman-core/base.rb
View file

@ -371,11 +371,11 @@ class Middleman::Base
# Run before callbacks
run_hook :before
# Return 404 if not in sitemap
return not_found unless sitemap.exists?(@request_path)
# Get the page object for this path
sitemap_page = sitemap.page(@request_path)
sitemap_page = sitemap.page_by_destination(@request_path)
# Return 404 if not in sitemap
return not_found unless sitemap_page
# Return 404 if this path is specifically ignored
return not_found if sitemap_page.ignored?

45
middleman-core/lib/middleman-core/cli/build.rb
View file

@ -99,27 +99,20 @@ module Middleman::Cli
# Ignore following method
desc "", "", :hide => true
# Render a template to a file.
# Render a page to a file.
#
# @param [String] source
# @param [String] destination
# @param [Hash] config
# @return [String] the actual destination file path that was created
def tilt_template(source, destination, config={})
# @param [Middleman::Sitemap::Page] page
# @return [void]
def tilt_template(page)
build_dir = self.class.shared_instance.build_dir
request_path = destination.sub(/^#{build_dir}/, "")
config[:force] = true
output_file = File.join(self.class.shared_instance.build_dir, page.destination_path)
begin
destination, request_path = self.class.shared_instance.reroute_builder(destination, request_path)
response = self.class.shared_rack.get(request_path.gsub(/\s/, "%20"))
create_file(destination, response.body, config)
destination
response = self.class.shared_rack.get(page.request_path.gsub(/\s/, "%20"))
create_file(output_file, response.body, { :force => true })
rescue
say_status :error, destination, :red
say_status :error, output_file, :red
puts $!
abort
end
end
@ -213,6 +206,8 @@ module Middleman::Cli
# Sort paths to be built by the above order. This is primarily so Compass can
# find files in the build folder when it needs to generate sprites for the
# css files
# TODO: deal with pages, not paths
paths = @app.sitemap.all_paths.sort do |a, b|
a_ext = File.extname(a)
b_ext = File.extname(b)
@ -225,21 +220,15 @@ module Middleman::Cli
# Loop over all the paths and build them.
paths.each do |path|
file_source = path
file_destination = File.join(given_destination, file_source.gsub(source, '.'))
file_destination.gsub!('/./', '/')
page = @app.sitemap.page(path)
if @app.sitemap.proxied?(file_source)
file_source = @app.sitemap.page(file_source).proxied_to
elsif @app.sitemap.page(file_source).ignored?
next
end
next if page.ignored?
next if @config[:glob] && !File.fnmatch(@config[:glob], path)
next if @config[:glob] && !File.fnmatch(@config[:glob], file_source)
base.tilt_template(page)
file_destination = base.tilt_template(file_source, file_destination)
@cleaning_queue.delete(Pathname.new(file_destination).realpath) if cleaning?
output_path = File.join(@destination, page.destination_path)
@cleaning_queue.delete(Pathname.new(output_path).realpath) if cleaning?
end
end
end

11
middleman-core/lib/middleman-core/core_extensions/builder.rb
View file

@ -16,7 +16,8 @@ module Middleman::CoreExtensions::Builder
# Build Class Methods
module ClassMethods
# Get a list of callbacks which can modify a files build path
#
# Each callback takes a destination path and a request path and
# returns a new destination path, or false if it doesn't want to reroute.
# @return [Array<Proc>]
def build_reroute(&block)
@build_rerouters ||= []
@ -29,14 +30,14 @@ module Middleman::CoreExtensions::Builder
module InstanceMethods
# Run through callbacks and get the new values
#
# @param [String] destination The current destination of the built file
# @param [String] request_path The current request path of the file
# @return [Array<String>] The new values
# @param [String] destination The current destination path of the built file
# @param [String] request_path The request path of the file
# @return [String] The new destination path
def reroute_builder(destination, request_path)
result = [destination, request_path]
build_reroute.each do |block|
output = instance_exec(destination, request_path, &block)
output = block.call(destination, request_path)
if output
result = output
break

2
middleman-core/lib/middleman-core/core_extensions/routing.rb
View file

@ -64,7 +64,7 @@ module Middleman::CoreExtensions::Routing
# Setup proxy
if opts.has_key?(:proxy)
reroute(url, opts[:proxy])
proxy(url, opts[:proxy])
if opts.has_key?(:ignore) && opts[:ignore]
ignore(opts[:proxy])

2
middleman-core/lib/middleman-core/core_extensions/sitemap.rb
View file

@ -74,7 +74,7 @@ module Middleman::CoreExtensions::Sitemap
# @param [String] url
# @param [String] target
# @return [void]
def reroute(*args)
def proxy(*args)
sitemap.proxy(*args)
end

78
middleman-core/lib/middleman-core/extensions/directory_indexes.rb
View file

@ -12,72 +12,33 @@ module Middleman::Extensions
# Include methods
app.send :include, InstanceMethods
# Before requests
app.before do
prefix = @original_path.sub(/\/$/, "")
indexed_path = prefix + "/" + index_file
extensioned_path = prefix + File.extname(index_file)
is_ignored = false
fm_ignored = false
# If the sitemap knows about the path
if sitemap.exists?(@original_path)
# Inspect frontmatter
d = sitemap.page(@original_path).data
# Allow the frontmatter to ignore a directory index
if !d.nil? && d.has_key?("directory_index") && d["directory_index"] == false
fm_ignored = true
else
next
end
else
# Otherwise check this extension for list of ignored indexes
is_ignored = ignored_directory_indexes.include?(extensioned_path)
end
# If we're going to remap to a directory index
if !sitemap.exists?(indexed_path) && !is_ignored && !fm_ignored
parts = @original_path.split("/")
last_part = parts.last
last_part_ext = File.extname(last_part)
# Change the request
if last_part_ext.blank?
# This is a folder, redirect to index
@request_path = extensioned_path
end
end
end
# Basically does the same as above, but in build mode
app.build_reroute do |destination, request_path|
index_ext = File.extname(index_file)
app.after_configuration do
# Register a reroute transform that turns regular paths into indexed paths
sitemap.reroute do |destination, page|
new_index_path = "/#{index_file}"
frontmatter_ignore = false
# Check for file and frontmatter
if sitemap.exists?(request_path)
p = sitemap.page(request_path)
d = p.data
if !d.nil?
d = page.data
if !page.data.nil?
frontmatter_ignore = d.has_key?("directory_index") && d["directory_index"] == false
end
end
index_ext = File.extname(index_file)
# Only reroute if not ignored
if ignored_directory_indexes.include?(request_path)
false
elsif request_path =~ /#{new_index_path}$/
false
path = page.path
if ignored_directory_indexes.include? page
destination
elsif path == index_file || path.end_with?(new_index_path)
destination
elsif frontmatter_ignore
false
destination
elsif index_ext != File.extname(path)
destination
else
[
destination.sub(/#{index_ext.gsub(".", "\\.")}$/, new_index_path),
request_path
]
destination.chomp(File.extname(index_file)) + new_index_path
end
end
end
end
@ -85,10 +46,9 @@ module Middleman::Extensions
alias :included :registered
end
# Directory indexes instance methods
module InstanceMethods
# A list of pages which will not use directory indexes
# @return [Array<String>]
# @return [Array<Middleman::Sitemap::Page>]
def ignored_directory_indexes
@_ignored_directory_indexes ||= []
end
@ -100,7 +60,7 @@ module Middleman::Extensions
# @return [void]
def page(url, options={}, &block)
if options.has_key?(:directory_index) && !options["directory_index"]
ignored_directory_indexes << url
ignored_directory_indexes << sitemap.page(url)
else
super
end

16
middleman-core/lib/middleman-core/sitemap/page.rb
View file

@ -6,6 +6,8 @@ module Middleman::Sitemap
# @return [Middleman::Sitemap::Store]
attr_accessor :store
# The source path of this page (relative to the source directory,
# without template extensions)
# @return [String]
attr_accessor :path
@ -41,9 +43,9 @@ module Middleman::Sitemap
# @return [String]
def request_path
if proxy?
store.page(proxied_to).path
store.page(proxied_to).destination_path
else
path
destination_path
end
end
@ -186,6 +188,16 @@ module Middleman::Sitemap
self.source_file ? self.source_file.sub(app.source_dir, '') : nil
end
# Get the destination path, relative to the build directory.
# This path can be affected by proxy callbacks.
# @return [String]
def destination_path
# TODO: memoize this value
store.reroute_callbacks.inject(self.path) do |destination, callback|
callback.call(destination, self)
end
end
# This page's frontmatter
# @return [Hash, nil]
def data

68
middleman-core/lib/middleman-core/sitemap/store.rb
View file

@ -2,6 +2,11 @@
module Middleman::Sitemap
# The Store class
#
# The Store manages a collection of Page objects, which represent
# individual items in the sitemap. Pages are indexed by "source path",
# which is the path relative to the source directory, minus any template
# extensions. All "path" parameters used in this class are source paths.
class Store
# @return [Middleman::Base]
@ -16,24 +21,25 @@ module Middleman::Sitemap
@ignored_globs = []
@ignored_regexes = []
@ignored_callbacks = []
@reroute_callbacks = []
end
# Check to see if we know about a specific path
# @param [String] path
# @return [Boolean]
def exists?(path)
@pages.has_key?(path.sub(/^\//, ""))
@pages.has_key?(normalize_path(path))
end
# Ignore a path or add an ignore callback
# @param [String, Regexp] path
# @param [String, Regexp] path, path glob expression, or path regex
# @return [void]
def ignore(path=nil, &block)
if !path.nil? && path.include?("*")
path_clean = path.sub(/^\//, "")
path_clean = normalize_path(path)
@ignored_globs << path_clean unless @ignored_globs.include?(path_clean)
elsif path.is_a? String
path_clean = path.sub(/^\//, "")
path_clean = normalize_path(path)
@ignored_paths << path_clean unless @ignored_paths.include?(path_clean)
elsif path.is_a? Regexp
@ignored_regexes << path unless @ignored_regexes.include?(path)
@ -42,28 +48,47 @@ module Middleman::Sitemap
end
end
# Add a callback that will be run with each page's destination path
# and can produce a new destination path or pass through the old one.
# @return [void]
def reroute(&block)
@reroute_callbacks << block if block_given?
end
# The list of reroute callbacks
# @return [Array<Proc>]
def reroute_callbacks
@reroute_callbacks
end
# Setup a proxy from a path to a target
# @param [String] path
# @param [String] target
# @return [void]
def proxy(path, target)
page(path) { proxy_to(target.sub(%r{^/}, "")) }
page(path).proxy_to(normalize_path(target))
app.cache.remove(:proxied_paths)
end
# Get a page instance for a given path
# @param [String] path
# @return [Middleman::Sitemap::Page]
def page(path, &block)
path = path.sub(/^\//, "").gsub("%20", " ")
@pages[path] = ::Middleman::Sitemap::Page.new(self, path) unless @pages.has_key?(path)
@pages[path].instance_exec(&block) if block_given?
@pages[path]
def page(path)
path = normalize_path(path)
@pages.fetch(path) { @pages[path] = ::Middleman::Sitemap::Page.new(self, path) }
end
# Find a page given its destination path
def page_by_destination(destination_path)
# TODO: memoize this
destination_path = normalize_path(destination_path)
@pages.values.find {|p| p.destination_path == destination_path }
end
# Loop over known pages
# @yield [path, page]
# @return [void]
def each(&block)
def each
@pages.each do |k, v|
yield k, v
end
@ -79,15 +104,15 @@ module Middleman::Sitemap
# @param [String] path
# @return [Boolean]
def ignored?(path)
path_clean = path.sub(/^\//, "")
# $stderr.puts path_clean, @ignored_globs, @ignored_paths
path_clean = normalize_path(path)
return true if @ignored_paths.include?(path_clean)
return true if @ignored_globs.any? { |g| File.fnmatch(g, path_clean) }
return true if @ignored_regexes.any? { |r| r.match(path_clean) }
return true if @ignored_callbacks.any? { |b| b.call(path_clean) }
# TODO: We should also check ignored_sitemap_matchers here
false
end
@ -101,7 +126,7 @@ module Middleman::Sitemap
# @param [String] path
# @return [Boolean]
def generic?(path)
generic_paths.include?(path.sub(/^\//, ""))
generic_paths.include?(normalize_path(path))
end
# Get a list of generic paths
@ -116,7 +141,7 @@ module Middleman::Sitemap
# @param [String] path
# @return [Boolean]
def proxied?(path)
proxied_paths.include?(path.sub(/^\//, ""))
proxied_paths.include?(normalize_path(path))
end
# Get a list of proxied paths
@ -134,7 +159,7 @@ module Middleman::Sitemap
path = file_to_path(file)
return false unless path
path = path.sub(/^\//, "")
path = normalize_path(path)
if @pages.has_key?(path)
page(path).delete()
@pages.delete(path)
@ -189,7 +214,7 @@ module Middleman::Sitemap
# Get a path without templating extensions
# @param [String] file
# @param [String]
# @return [String]
def extensionless_path(file)
app.cache.fetch(:extensionless_path, file) do
path = file.dup
@ -206,5 +231,12 @@ module Middleman::Sitemap
path
end
end
# Normalize a path to not include a leading slash
# @param [String] path
# @return [String]
def normalize_path(path)
path.sub(/^\//, "").gsub("%20", " ")
end
end
end