Nokogiri in parsers

This commit is contained in:
Christophe Vilayphiou 2012-03-27 17:57:50 +08:00
parent b134e690e9
commit d02bbdbaa5
4 changed files with 162 additions and 269 deletions

View File

@ -1,3 +1,7 @@
<%= flash_messages %>
<%= parse_page_edit(@item).html_safe %>
<%= page_stylesheets(@item).html_safe %>
<%= page_javascripts(@item).html_safe %>
<%= parse_page_edit_noko(@item).html_safe %>

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@ -1,132 +1,86 @@
module ParserBackEnd
require 'radius'
include ParserCommon
def parse_page_edit(page)
if page._type == 'Page'
layout_content = page.design.layout.content.force_encoding('UTF-8') rescue ''
context = parser_context_edit(page)
parser = Radius::Parser.new(context, :tag_prefix => 'r')
parser.parse(parser.parse(layout_content))
require 'nokogiri'
# c.define_tag 'language_bar' do
# @site.in_use_locales.map{ |locale|
# lang = I18nVariable.first(:conditions => {:key => locale})[locale]
# if I18n.locale.to_s.eql?(locale)
# lang
# else
# "<a href='?locale=#{locale}'>#{lang}</a>"
# end
# }.join(' | ')
# end
# c.define_tag 'link' do |tag|
# item = Item.first(:conditions => { :full_name => tag.attr['name'] })
# ret = ''
# ret << "<a href='"
# ret << eval("admin_#{item._type.downcase}_path(item.id)")
# ret << "' class='nav'>"
# ret << item.i18n_variable[I18n.locale]
# ret << "</a>"
# end
def parse_page_edit_noko(page, id = nil)
body = Nokogiri::HTML(page.design.layout.body)
parse_menu(body, page, true)
public_r_tags = parse_contents(body, page, id)
parse_images(body, page)
public_r_tags.each do |tag|
send("parse_#{tag}s", body, page,id)
end
body.to_html
end
def parser_context_edit(page, attributes = {})
Radius::Context.new do |c|
c.define_tag 'ad_banner' do |tag|
res = ''
ad_banner = AdBanner.find(tag.attr["id"]) rescue nil
if ad_banner
res << "<script type='text/javascript'>
$(document).ready(function(){ $('#slideshow-#{ad_banner.title.dehumanize}').cycle({delay: -1000, fx: '#{ad_banner.ad_fx.nil?? 'fade': ad_banner.ad_fx}', timeoutFn: getTimeout }); });
</script>"
res << "<div id='slideshow-#{ad_banner.title.dehumanize}'>"
ad_banner.ad_images.each do |ad_image|
res << "<img src='#{ad_image.file}' "
res << "alt='#{ad_image.picture_intro || ' '}' "
res << "time_to_next='#{ad_image.get_delay_time}' "
res << "link_open='#{ad_image.link_open}' "
res << "link_url='#{(ad_banner.direct_to_after_click?? ad_image.out_link : ad_banner.context) || ' '}' "
res << "/>"
end
res << "</div>"
end
end
c.define_tag 'content' do |tag|
ret = ''
if (tag.attributes["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}?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 == tag.attr['name'].to_s }
ret << "<div id='#{tag.attr['name']}' part_id='#{part.id}' class='editable' style='border:solid 1px; margin:5px; padding:5px;'>"
ret << "<div class='edit_link' style='display:none'>"
ret << " <a href='#{edit_admin_page_part_path(part.id)}' class='nav'>#{t(:edit)}</a>"
ret << '</div>'
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}?category_id=#{part[:category]}'></div>"
else
ret << "<div class='dymanic_load' path='/panel/#{part.module_app.key}/widget/#{part.widget_path}'></div>"
end
when 'public_r_tag'
ret << "<r:#{part.public_r_tag} id='#{part.public_r_tag_object_id}'/>"
else
''
end
ret << '</div>'
end
end
c.define_tag 'image' do |tag|
# 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?(tag.attr['name']) } unless image
if image
res = "<img src=#{image.file.url} "
tag.attr.each do |l|
res << "#{l[0]}='#{l[1]}' "
end
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/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]
if I18n.locale.to_s.eql?(locale)
lang
# page_contents
def parse_contents(body, page, id)
public_r_tags = []
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}?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
ret << "<div id='#{tag.attr['name']}' part_id='#{part.id}' class='editable' style='border:solid 1px; margin:5px; padding:5px;'>"
ret << "<div class='edit_link' style='display:none'>"
ret << " <a href='#{edit_admin_page_part_path(part.id)}' class='nav'>#{t(:edit)}</a>"
ret << '</div>'
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}?category_id=#{part[:category]}'></div>"
else
"<a href='?locale=#{locale}'>#{lang}</a>"
ret << "<div class='dymanic_load' path='/panel/#{part.module_app.key}/widget/#{part.widget_path}'></div>"
end
}.join(' | ')
when 'public_r_tag'
ret << "<r:#{part.public_r_tag} id='#{part.public_r_tag_object_id}'/>"
public_r_tags << part.public_r_tag
else
''
end
end
c.define_tag 'link' do |tag|
item = Item.first(:conditions => { :full_name => tag.attr['name'] })
ret = ''
ret << "<a href='"
ret << eval("admin_#{item._type.downcase}_path(item.id)")
ret << "' class='nav'>"
ret << item.i18n_variable[I18n.locale]
ret << "</a>"
end
c.define_tag 'menu' do |tag|
home = get_homepage
menu = page.design.layout.menu
menu_level(home, 0, menu, true)
end
c.define_tag 'meta' do |tag|
"<meta name='bob' content=#{@site.school} />"
end
c.define_tag 'stylesheets' do |tag|
res = ''
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 : page.i18n_variable[I18n.locale]}</title>"
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
public_r_tags.uniq
end
def self.included(base)
base.send :helper_method, :parse_page_edit if base.respond_to? :helper_method
base.send :helper_method, :parse_page_edit_noko if base.respond_to? :helper_method
end
end

View File

@ -44,4 +44,56 @@ module ParserCommon
res << "</li>"
end
# ad_banners
def parse_ad_banners(body = nil, page = nil, id = nil)
body.css('ad_banner').each do |banner|
res = ''
ad_banner = AdBanner.find(banner["id"]) rescue nil
if ad_banner && ad_banner.display?
res << "<script type='text/javascript'>
$(document).ready(function(){ $('#slideshow-#{ad_banner.title.dehumanize}').cycle({delay: -1000, fx: '#{ad_banner.ad_fx.nil?? 'fade': ad_banner.ad_fx}', timeoutFn: getTimeout }); });
</script>"
res << "<div id='slideshow-#{ad_banner.title.dehumanize}'>"
ad_banner.ad_images.each do |ad_image|
res << "<img src='#{ad_image.file}' "
res << "alt='#{ad_image.picture_intro || ' '}' "
res << "time_to_next='#{ad_image.get_delay_time}' "
res << "link_open='#{ad_image.link_open}' "
res << "link_url='#{(ad_banner.direct_to_after_click?? ad_image.out_link : ad_banner.context) || ' '}' "
res << "/>"
end
res << "</div>"
end
fragment = Nokogiri::HTML::DocumentFragment.new(body, res)
banner.swap(fragment)
end
end
# page_images
def parse_images(body, page)
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
end
# page_menu
def parse_menu(body, page, edit=nil)
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, true))
page_menu.swap(fragment)
end
end

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@ -1,113 +1,42 @@
module ParserFrontEnd
require 'radius'
include ParserCommon
def parser_context(page, attributes = {}, id = nil)
Radius::Context.new do |c|
c.define_tag 'ad_banner' do |tag|
res = ''
ad_banner = AdBanner.find(tag.attr["id"]) rescue nil
if ad_banner && ad_banner.display?
res << "<script type='text/javascript'>
$(document).ready(function(){ $('#slideshow-#{ad_banner.title.dehumanize}').cycle({delay: -1000, fx: '#{ad_banner.ad_fx.nil?? 'fade': ad_banner.ad_fx}', timeoutFn: getTimeout }); });
</script>"
res << "<div id='slideshow-#{ad_banner.title.dehumanize}'>"
ad_banner.ad_images.each do |ad_image|
res << "<img src='#{ad_image.file}' "
res << "alt='#{ad_image.picture_intro || ' '}' "
res << "time_to_next='#{ad_image.get_delay_time}' "
res << "link_open='#{ad_image.link_open}' "
res << "link_url='#{(ad_banner.direct_to_after_click?? ad_image.out_link : ad_banner.context) || ' '}' "
res << "/>"
end
res << "</div>"
end
res
end
c.define_tag 'content' do |tag|
ret = ''
if (tag.attributes["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 == tag.attr['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
ret
end
c.define_tag 'image' do |tag|
# 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?(tag.attr['name']) } unless image
if image
res = "<img src=#{image.file.url} "
tag.attr.each do |l|
res << "#{l[0]}='#{l[1]}' "
end
res << '>'
end
end
c.define_tag 'language_bar' do
@site.in_use_locales.map{ |locale|
lang = I18nVariable.first(:conditions => {:key => locale})[locale]
if I18n.locale.to_s.eql?(locale)
lang
else
"<a href='?locale=#{locale}'>#{lang}</a>"
end
}.join(' | ')
end
c.define_tag 'link' do |tag|
item = Item.first(:conditions => { :full_name => tag.attr['name'] })
ret = ''
ret << "<a href='#{tag.attr['name']}'>"
ret << item.i18n_variable[I18n.locale]
ret << '</a>'
end
c.define_tag 'menu' do |tag|
home = get_homepage
menu = page.design.layout.menu
menu_level(home, 0, menu)
end
end
end
def parse_page(page, id = nil)
if page._type == 'Page'
context = parser_context(page, {}, id)
parser = Radius::Parser.new(context, :tag_prefix => 'r')
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
# c.define_tag 'language_bar' do
# @site.in_use_locales.map{ |locale|
# lang = I18nVariable.first(:conditions => {:key => locale})[locale]
# if I18n.locale.to_s.eql?(locale)
# lang
# else
# "<a href='?locale=#{locale}'>#{lang}</a>"
# end
# }.join(' | ')
# end
# c.define_tag 'link' do |tag|
# item = Item.first(:conditions => { :full_name => tag.attr['name'] })
# ret = ''
# ret << "<a href='#{tag.attr['name']}'>"
# ret << item.i18n_variable[I18n.locale]
# ret << '</a>'
# end
# end
require 'nokogiri'
def parse_page_noko(page, id = nil)
body = Nokogiri::HTML(page.design.layout.body)
parse_menu(body, page)
public_r_tags = parse_contents(body, page, id)
parse_images(body, page)
# page_contents
public_r_tags.each do |tag|
send("parse_#{tag}s", body, page,id)
end
body.to_html
end
# page_contents
def parse_contents(body, page, id)
public_r_tags = []
body.css('.page_content').each do |content|
ret = ''
if (content["main"] == "true" && !page.module_app.nil?)
@ -129,6 +58,7 @@ module ParserFrontEnd
end
when 'public_r_tag'
ret << "<r:#{part.public_r_tag} id='#{part.public_r_tag_object_id}'/>"
public_r_tags << part.public_r_tag
else
''
end
@ -141,54 +71,7 @@ module ParserFrontEnd
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
# ad_banner
body.css('ad_banner').each do |banner|
res = ''
ad_banner = AdBanner.find(banner["id"]) rescue nil
if ad_banner && ad_banner.display?
res << "<script type='text/javascript'>
$(document).ready(function(){ $('#slideshow-#{ad_banner.title.dehumanize}').cycle({delay: -1000, fx: '#{ad_banner.ad_fx.nil?? 'fade': ad_banner.ad_fx}', timeoutFn: getTimeout }); });
</script>"
res << "<div id='slideshow-#{ad_banner.title.dehumanize}'>"
ad_banner.ad_images.each do |ad_image|
res << "<img src='#{ad_image.file}' "
res << "alt='#{ad_image.picture_intro || ' '}' "
res << "time_to_next='#{ad_image.get_delay_time}' "
res << "link_open='#{ad_image.link_open}' "
res << "link_url='#{(ad_banner.direct_to_after_click?? ad_image.out_link : ad_banner.context) || ' '}' "
res << "/>"
end
res << "</div>"
end
fragment = Nokogiri::HTML::DocumentFragment.new(body, res)
banner.swap(fragment)
end
body.to_html
public_r_tags.uniq
end
end