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Trying nokogiri

This commit is contained in:
Christophe Vilayphiou 2012-03-22 01:51:16 +08:00
parent a126935d2c
commit 4f741418a0
10 changed files with 172 additions and 75 deletions
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1
Gemfile
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@ -16,6 +16,7 @@ gem 'kaminari', :git => 'git://github.com/amatsuda/kaminari.git'
gem 'mini_magick'
gem 'mongoid'
gem "mongo_session_store-rails3"
gem 'nokogiri'
gem 'radius'
gem 'rake'
gem 'ruby-debug19'

4
Gemfile.lock
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@ -41,6 +41,7 @@ GEM
archive-tar-minitar (0.5.2)
arel (2.2.3)
bcrypt-ruby (3.0.1)
bcrypt-ruby (3.0.1-x86-mingw32)
brakeman (1.5.1)
activesupport
erubis (~> 2.6)
@ -115,6 +116,8 @@ GEM
mongo (~> 1.3)
tzinfo (~> 0.3.22)
multi_json (1.1.0)
nokogiri (1.5.2)
nokogiri (1.5.2-x86-mingw32)
orm_adapter (0.0.6)
pdf-writer (1.1.8)
color (>= 1.4.0)
@ -252,6 +255,7 @@ DEPENDENCIES
mini_magick
mongo_session_store-rails3
mongoid
nokogiri
radius
rails (>= 3.1.0, < 3.2.0)
rake

2
app/controllers/application_controller.rb
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@ -47,7 +47,7 @@ class ApplicationController < ActionController::Base
# Render the page
def render_page(id = nil)
if @item
render :text => parse_page(@item, id)
render :text => process_page(@item, id), :layout => 'page_layout'
else
render :text => '404 Not Found'
end

2
app/controllers/pages_controller.rb
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@ -1,5 +1,7 @@
class PagesController < ApplicationController
include ApplicationHelper
before_filter :get_item, :only => [:index_from_link, :show_from_link]
def index

47
app/helpers/application_helper.rb
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@ -107,4 +107,51 @@ module ApplicationHelper
end
end
def process_page(page, id)
parse_page_noko(page, id)
end
def page_metas(page)
metas = ''
@site.page_metas.each do |meta|
name, content = meta.get_name_content
metas << "<meta name=#{name} content=#{content} />\n"
end rescue nil
return metas
end
def page_title(page)
"<title>#{page.title ? page.title[I18n.locale] : page.i18n_variable[I18n.locale]}</title>\n"
end
def page_stylesheets(page)
stylesheets = ''
stylesheets << "<link href='/assets/bootstrap.css.erb' rel='stylesheet' type='text/css' />\n"
stylesheets << "<link href='/assets/bootstrap-orbit.css' rel='stylesheet' type='text/css' />\n"
stylesheets << "<link href='/assets/style.css.erb' rel='stylesheet' type='text/css' />\n"
stylesheets << "<link href='#{page.design.reset_css.file.url}' rel='stylesheet' type='text/css' />\n" if page.design.reset_css
stylesheets << "<link href='#{page.design.default_css.file.url}' rel='stylesheet' type='text/css' />\n" if page.design.default_css
theme = page.design.themes.detect{ |d| d.id == page.theme_id }
stylesheets << "<link href='#{theme.file.url}' rel='stylesheet' type='text/css' />\n" if theme
stylesheets
end
def page_javascripts(page)
javascripts = ''
javascripts << "<script type='text/javascript' src='/static/jquery.js'></script>\n"
javascripts << "<script type='text/javascript' src='/static/jquery.cycle.all.latest.js'></script>\n"
javascripts << "<script type='text/javascript' src='/static/kernel.js'></script>\n"
javascripts << "<script type='text/javascript' src='/assets/bootstrap.js'></script>\n"
javascripts << "<script type='text/javascript' src='/assets/jquery.tinyscrollbar.min.js'></script>\n"
javascripts << "<script type='text/javascript' src='/assets/jquery.isotope.min.js'></script>\n"
javascripts << "<script type='text/javascript' src='/assets/orbit-1.0.js'></script>\n"
javascripts << "<script type='text/javascript' src='/assets/orbit_bar.js'></script>\n"
javascripts << "<script type='text/javascript' src='/assets/event.js'></script>\n"
page.design.javascripts.each do |js|
# javascripts << "<script type='text/javascript' src='#{js.file.url}'></script>"
end
javascripts
end
end

8
app/models/design/layout.rb
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@ -2,6 +2,8 @@ class Layout < DesignFile
include ParserLayout
attr_reader :content
field :body
embeds_one :menu
embedded_in :design
@ -17,8 +19,10 @@ class Layout < DesignFile
Layout.count > 0
end
def parse_layout
parse_layout_contents(self)
def parse_layout
html = Nokogiri::HTML(self.file.read)
self.body = html.at_css("body").inner_html
parse_body(self)
end
end

4
app/models/meta.rb
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@ -7,5 +7,9 @@ class Meta
field :value, :default => nil
has_one :i18n_variable, :as => :language_value, :autosave => true, :dependent => :destroy
def get_name_content
[self.key, self.value ? self.value : self.i18n_variable[I18n.locale]]
end
end

17
app/views/layouts/page_layout.html.erb Normal file
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@ -0,0 +1,17 @@
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<%= page_title(@item).html_safe %>
<%= page_metas(@item).html_safe %>
<%= @metas %>
<!--[if lt IE 9]>
<%= javascript_include_tag "html5" %>
<![endif]-->
<%= page_stylesheets(@item).html_safe %>
<%= page_javascripts(@item).html_safe %>
</head>
<body>
<%= yield %>
</body>
</html>

105
lib/parsers/parser_front_end.rb
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@ -63,22 +63,6 @@ module ParserFrontEnd
res << '>'
end
end
c.define_tag 'javascripts' do |tag|
res = ''
res << "<script type='text/javascript' src='/static/jquery.js'></script>"
res << "<script type='text/javascript' src='/static/jquery.cycle.all.latest.js'></script>"
res << "<script type='text/javascript' src='/static/kernel.js'></script>"
res << "<script type='text/javascript' src='/assets/bootstrap.js'></script>"
res << "<script type='text/javascript' src='/assets/jquery.tinyscrollbar.min.js'></script>"
res << "<script type='text/javascript' src='/assets/jquery.isotope.min.js'></script>"
res << "<script type='text/javascript' src='/assets/orbit-1.0.js'></script>"
res << "<script type='text/javascript' src='/assets/orbit_bar.js'></script>"
res << "<script type='text/javascript' src='/assets/event.js'></script>"
page.design.javascripts.each do |js|
# res << "<script type='text/javascript' src='#{js.file.url}'></script>"
end
res
end
c.define_tag 'language_bar' do
@site.in_use_locales.map{ |locale|
lang = I18nVariable.first(:conditions => {:key => locale})[locale]
@ -101,38 +85,87 @@ module ParserFrontEnd
menu = page.design.layout.menu
menu_level(home, 0, menu)
end
c.define_tag 'meta' do |tag|
res = ''
#res << "<meta name='bob' content='#{@site.school}' />"
end
c.define_tag 'stylesheets' do |tag|
res = ''
res << "<link href='/assets/bootstrap.css.erb' rel='stylesheet' type='text/css'/>"
res << "<link href='/assets/bootstrap-orbit.css' rel='stylesheet' type='text/css'/>"
res << "<link href='/assets/style.css.erb' rel='stylesheet' type='text/css'/>"
res << "<link href='#{page.design.reset_css.file.url}' rel='stylesheet' type='text/css' />" if page.design.reset_css
res << "<link href='#{page.design.default_css.file.url}' rel='stylesheet' type='text/css' /> " if page.design.default_css
theme = page.design.themes.detect{ |d| d.id == page.theme_id }
res << "<link href='#{theme.file.url}' rel='stylesheet' type='text/css' />" if theme
res
end
c.define_tag 'title' do |tag|
"<title>#{page.title ? page.title[I18n.locale] : page.i18n_variable[I18n.locale]}</title>"
end
end
end
def parse_page(page, id = nil)
if page._type == 'Page'
layout_content = page.design.layout.content.force_encoding('UTF-8') rescue ''
context = parser_context(page, {}, id)
parser = Radius::Parser.new(context, :tag_prefix => 'r')
parser.parse(parser.parse(layout_content))
parser.parse(parser.parse(page.design.layout.body))
end
end
def self.included(base)
base.send :helper_method, :parse_page if base.respond_to? :helper_method
end
require 'nokogiri'
def parse_page_noko(page, id = nil)
body = Nokogiri::HTML(page.design.layout.body, nil, 'UTF-8')
# page_contents
body.css('.page_content').each do |content|
ret = ''
if (content["main"] == "true" && !page.module_app.nil?)
ret << "<div id='appfrontend' class='dymanic_load' path='/panel/#{page.module_app.key}/front_end/#{page.app_frontend_url}"
ret << "/#{id}" if id
ret << "?inner=true&page_id=#{page.id}"
ret << "&category_id=#{page.category}" if page[:category]
ret << "'></div>"
else
part = page.page_parts.detect{ |p| p.name.to_s == content['name'].to_s } rescue nil
case part.kind
when 'text'
ret << part.i18n_variable[I18n.locale] rescue ''
when 'module_widget'
if part[:category]
ret << "<div class='dymanic_load' path='/panel/#{part.module_app.key}/widget/#{part.widget_path}?inner=true&category_id=#{part[:category]}'></div>"
else
ret << "<div class='dymanic_load' path='/panel/#{part.module_app.key}/widget/#{part.widget_path}?inner=true'></div>"
end
when 'public_r_tag'
ret << "<r:#{part.public_r_tag} id='#{part.public_r_tag_object_id}'/>"
else
''
end
end
scope = "<#{content.name}"
content.attributes.each_pair do |key, value|
scope << " #{key}='#{value}'"
end
scope << ">#{ret}</#{content.name}>"
fragment = Nokogiri::HTML::DocumentFragment.new(body, scope)
content.swap(fragment)
end
# page_menu
page_menu = body.css('.page_menu').first
home = get_homepage
menu = page.design.layout.menu
fragment = Nokogiri::HTML::DocumentFragment.new(body, menu_level(home, 0, menu))
page_menu.swap(fragment)
# page_image
body.css('.page_image').each do |page_image|
# image = page.custom_images.detect{|image| image.name.eql?(tag.attr['name']) }
# image = page.design.custom_images.detect{|image| image.name.eql?(tag.attr['name']) } unless image
image = page.design.images.detect{|image| image.name.eql?(page_image['name']) } unless image
if image
res = "<img src=#{image.file.url} "
page_image.attributes.each do |l|
res << "#{l[0]}='#{l[1]}' "
end
res << '>'
end
fragment = Nokogiri::HTML::DocumentFragment.new(body, res)
page_image.swap(fragment)
end
body.to_html
end
end

57
lib/parsers/parser_layout.rb
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@ -1,44 +1,27 @@
module ParserLayout
require 'radius'
include ParserCommon
require 'nokogiri'
def parse_layout_contents(layout)
content = layout.content.force_encoding('UTF-8')
context = parser_layout_contents(layout)
parser = Radius::Parser.new(context, :tag_prefix => 'r')
parser.parse(content)
end
def parser_layout_contents(layout)
Radius::Context.new do |c|
c.define_tag 'ad_banner' do |tag|
end
c.define_tag 'content' do |tag|
layout.layout_parts.new(:name => tag.attr['name'])
end
c.define_tag 'image' do |tag|
image = layout.design.images.detect{ |i| i.file_identifier.eql?(parse_html_image(tag.expand)) }
image.update_attributes(:name => tag.attr['name'], :html_id => tag.attr['id'], :html_class => tag.attr['class']) if image
end
c.define_tag 'javascripts' do |tag|
end
c.define_tag 'menu' do |tag|
layout.build_menu(:levels => 0, :values => {}) unless layout.menu
layout.menu.levels = i = tag.attr['level'].to_i
layout.menu.values.merge!({'home' => tag.attr['home']}) if i == 1
layout.menu.values.merge!({"id_#{i}" => tag.attr['id'], "class_#{i}" => tag.attr['class'], "li_class_#{i}" => tag.attr['li_class'], "li_incremental_#{i}" => tag.attr['li_incremental']})
tag.expand
end
c.define_tag 'meta' do |tag|
end
c.define_tag 'stylesheets' do |tag|
end
c.define_tag 'title' do |tag|
end
def parse_body(layout)
body = Nokogiri::HTML(layout.body)
body.css('.page_content').each do |content|
layout.layout_parts.build(:name => content['name'])
end
body.css('.page_image').each do |image|
image = layout.design.images.detect{ |i| i.file_identifier.eql?(parse_html_image(image.to_html)) }
image.update_attributes(:name => image['name'], :html_id => image['id'], :html_class => image['class']) if image
end
body.css('.page_menu').each do |menu|
layout.build_menu(:levels => 0, :values => {}) unless layout.menu
layout.menu.levels = i = menu['level'].to_i
layout.menu.values.merge!({'home' => menu['home']}) if i == 1
layout.menu.values.merge!({"id_#{i}" => menu['id'], "class_#{i}" => menu['class'], "li_class_#{i}" => menu['li_class'], "li_incremental_#{i}" => menu['li_incremental']})
end
end
def parse_html_image(html)
html.scan(/(?<=\<img)(.*?)(?=\/\>)/){
$1.gsub(' ','').scan(/(?<=src=\")(.*?)(?=\")/){
@ -46,4 +29,6 @@ module ParserLayout
}
}
end
end