Class: Knj::Web

Inherits:
Object show all
Defined in:
lib/knj/web.rb

Class Method Summary collapse

Class Method Details

.ahref_parse(str) ⇒ Object

Parses a string to be safe for use in <a href=“”>.



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# File 'lib/knj/web.rb', line 786

def self.ahref_parse(str)
  return str.to_s.gsub("&", "&amp;")
end

.alert(string) ⇒ Object 



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# File 'lib/knj/web.rb', line 169

def self.alert(string)
  require "#{$knjpath}strings"
  @alert_sent = true
  html = "<script type=\"text/javascript\">alert(\"#{Knj::Strings.js_safe(string.to_s)}\");</script>"
  print html
end

.attr_html(attrs) ⇒ Object 



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# File 'lib/knj/web.rb', line 242

def self.attr_html(attrs)
  return "" if attrs.length <= 0
  
  html = ""
  attrs.each do |key, val|
    html << " #{key}=\"#{val.to_s.html}\""
  end
  
  return html
end

.back ⇒ Object 



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# File 'lib/knj/web.rb', line 194

def self.back
  print "<script type=\"text/javascript\">history.go(-1);</script>"
  exit
end

.browser(servervar = nil) ⇒ Object 



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# File 'lib/knj/web.rb', line 555

def self.browser(servervar = nil)
  servervar = _server if !servervar
  raise "Could not figure out meta data." if !servervar
  agent = servervar["HTTP_USER_AGENT"].to_s.downcase
  
  if match = agent.index("knj:true") != nil
    browser = "bot"
    title = "Bot"
    version = "KnjHttp"
  elsif match = agent.match(/chrome\/(\d+\.\d+)/)
    browser = "chrome"
    title = "Google Chrome"
    version = match[1]
  elsif match = agent.match(/firefox\/(\d+\.\d+)/)
    browser = "firefox"
    title = "Mozilla Firefox"
    version = match[1]
  elsif match = agent.match(/msie\s*(\d+\.\d+)/)
    browser = "ie"
    title = "Microsoft Internet Explorer"
    version = match[1]
  elsif match = agent.match(/opera\/([\d+\.]+)/)
    browser = "opera"
    title = "Opera"
    version = match[1]
  elsif match = agent.match(/wget\/([\d+\.]+)/)
    browser = "bot"
    title = "Bot"
    version = "Wget #{match[1]}"
  elsif agent.index("baiduspider") != nil
    browser = "bot"
    title = "Bot"
    version = "Baiduspider"
  elsif agent.index("googlebot") != nil
    browser = "bot"
    title = "Bot"
    version = "Googlebot"
  elsif agent.index("gidbot") != nil
    browser = "bot"
    title = "Bot"
    version = "GIDBot"
  elsif match = agent.match(/android\s+([\d\.]+)/)
    browser = "android"
    title = "Android"
    version = match[1]
  elsif match = agent.match(/safari\/(\d+)/)
    browser = "safari"
    title = "Safari"
    version = match[1]
  elsif agent.index("iPad") != nil
    browser = "safari"
    title = "Safari (iPad)"
    version = "ipad"
  elsif agent.index("bingbot") != nil
    browser = "bot"
    title = "Bot"
    version = "Bingbot"
  elsif agent.index("yahoo! slurp") != nil
    browser = "bot"
    title = "Bot"
    version = "Yahoo! Slurp"
  elsif agent.index("hostharvest") != nil
    browser = "bot"
    title = "Bot"
    version = "HostHarvest"
  elsif agent.index("exabot") != nil
    browser = "bot"
    title = "Bot"
    version = "Exabot"
  elsif agent.index("dotbot") != nil
    browser = "bot"
    title = "Bot"
    version = "DotBot"
  elsif agent.index("msnbot") != nil
    browser = "bot"
    title = "Bot"
    version = "MSN bot"
  elsif agent.index("yandexbot") != nil
    browser = "bot"
    title = "Bot"
    version = "Yandex Bot"
  elsif agent.index("mj12bot") != nil
    browser = "bot"
    title = "Bot"
    version = "Majestic12 Bot"
  elsif agent.index("facebookexternalhit") != nil
    browser = "bot"
    title = "Bot"
    version = "Facebook Externalhit"
  elsif agent.index("sitebot") != nil
    browser = "bot"
    title = "Bot"
    version = "SiteBot"
  elsif match = agent.match(/java\/([\d\.]+)/)
    browser = "bot"
    title = "Java"
    version = match[1]
  elsif match = agent.match(/ezooms\/([\d\.]+)/)
    browser = "bot"
    title = "Ezooms"
    version = match[1]
  elsif match = agent.match(/ahrefsbot\/([\d\.]+)/)
    browser = "bot"
    title = "AhrefsBot"
    version = match[1]
  elsif agent.index("sosospider") != nil
    browser = "bot"
    title = "Bot"
    version = "Sosospider"
  else
    browser = "unknown"
    title = "(unknown browser)"
    version = "(unknown version)"
  end
  
  os = nil
  os_version = nil
  if agent.index("linux") != nil
    os = "linux"
  elsif match = agent.match(/mac\s+os\s+x\s+([\d_+])/)
    os = "mac"
  elsif match = agent.match(/windows\s+nt\s+([\d\.]+)/)
    os = "windows"
    
    if match[1] == "5.1"
      os_version = "xp"
    end
  end
  
  return {
    "browser" => browser,
    "title" => title,
    "version" => version,
    "os" => os,
    "os_version" => os_version
  }
end

.checkval(value, val1, val2 = nil) ⇒ Object 



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# File 'lib/knj/web.rb', line 199

def self.checkval(value, val1, val2 = nil)
  if val2 != nil
    if !value or value == "" or value == "false"
      return val2
    else
      return val1
    end
  else
    if !value or value == "" or value == "false"
      return val1
    else
      return value
    end
  end
end

.cookie_str(cookie_data) ⇒ Object 



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# File 'lib/knj/web.rb', line 49

def self.cookie_str(cookie_data)
  raise "Not a hash: '#{cookie_data.class.name}', '#{cookie_data}'." unless cookie_data.is_a?(Hash)
  cookiestr = "#{self.urlenc(cookie_data["name"])}=#{self.urlenc(cookie_data["value"])}"
  
  cookie_data.each do |key, val|
    next if key == "name" or key == "value"
    
    if key.to_s.downcase == "expires" and val.is_a?(Time)
      cookiestr << "; Expires=#{val.httpdate}"
    else
      cookiestr << "; #{key}=#{val}"
    end
  end
  
  return cookiestr
end

.hiddens(hidden_arr) ⇒ Object 



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# File 'lib/knj/web.rb', line 758

def self.hiddens(hidden_arr)
  html = ""
  
  hidden_arr.each do |hidden_hash|
    if hidden_hash.is_a?(Array)
      hidden_hash = {
        :name => hidden_hash[0],
        :value => hidden_hash[1]
      }
    else
      if hidden_hash[:value].is_a?(Array)
        if !hidden_hash[:value][0]
          hidden_hash[:value] = nil
        else
          key = hidden_hash[:value][1]
          obj = hidden_hash[:value][0]
          hidden_hash[:value] = obj[key]
        end
      end
    end
    
    html << "<input type=\"hidden\" name=\"#{hidden_hash[:name].to_s.html}\" value=\"#{hidden_hash[:value].to_s.html}\" />"
  end
  
  return html
end

.html(string) ⇒ Object

Escapes HTML-characters in a string.



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# File 'lib/knj/web.rb', line 807

def self.html(string)
  return string.to_s.gsub(/&/, "&amp;").gsub(/\"/, "&quot;").gsub(/>/, "&gt;").gsub(/</, "&lt;")
end

.html_args(h) ⇒ Object 



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# File 'lib/knj/web.rb', line 811

def self.html_args(h)
  str = ""
  h.each do |key, val|
    str << "&#{Knj::Php.urlencode(key)}=#{Knj::Php.urlencode(val)}"
  end
  
  return str
end

.input(args) ⇒ Object 



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# File 'lib/knj/web.rb', line 253

def self.input(args)
  Knj::ArrayExt.hash_sym(args)
  
  if args.key?(:value)
    if args[:value].is_a?(Array) and (args[:value].first.is_a?(NilClass) or args[:value].first == false)
      value = nil
    elsif args[:value].is_a?(Array)
      if !args[:value][2] or args[:value][2] == :key
        value = args[:value].first[args[:value][1]]
      elsif args[:value][2] == :callb
        value = args[:value].first.send(args[:value][1])
      else
        value = args[:value]
      end
    elsif args[:value].is_a?(String) or args[:value].is_a?(Integer)
      value = args[:value].to_s
    else
      value = args[:value]
    end
  end
  
  args[:value_default] = args[:default] if args[:default]
  
  if value.is_a?(NilClass) and args[:value_default]
    value = args[:value_default]
  elsif value.is_a?(NilClass)
    value = ""
  end
  
  if value and args.key?(:value_func) and args[:value_func]
    cback = args[:value_func]
    
    if cback.is_a?(Method)
      value = cback.call(value)
    elsif cback.is_a?(Array)
      value = Knj::Php.call_user_func(args[:value_func], value)
    elsif cback.is_a?(Proc)
      value = cback.call(value)
    else
      raise "Unknown class: #{cback.class.name}."
    end
  end
  
  value = args[:values] if args[:values]
  args[:id] = args[:name] if !args[:id]
  
  if !args[:type]
    if args[:opts]
      args[:type] = :select
    elsif args[:name] and args[:name].to_s[0..2] == "che"
      args[:type] = :checkbox
    elsif args[:name] and args[:name].to_s[0..3] == "file"
      args[:type] = :file
    else
      args[:type] = :text
    end
  else
    args[:type] = args[:type].to_sym
  end
  
  attr = {
    "name" => args[:name],
    "id" => args[:id],
    "type" => args[:type],
    "class" => "input_#{args[:type]}"
  }
  attr.merge!(args[:attr]) if args[:attr]
  attr["disabled"] = "disabled" if args[:disabled]
  attr["maxlength"] = args[:maxlength] if args.key?(:maxlength)
  
  raise "No name given to the Web::input()-method." if !args[:name] and args[:type] != :info and args[:type] != :textshow and args[:type] != :plain and args[:type] != :spacer and args[:type] != :headline
  
  css = {}
  css["text-align"] = args[:align] if args.key?(:align)
  css.merge!(args[:css]) if args.key?(:css)
  
  attr_keys = [:onchange]
  attr_keys.each do |tag|
    if args.key?(tag)
      attr[tag] = args[tag]
    end
  end
  
  classes_tr = []
  classes_tr += args[:classes_tr] if args[:classes_tr]
  
  if !classes_tr.empty?
    classes_tr_html = " class=\"#{classes_tr.join(" ")}\""
  else
    classes_tr_html = ""
  end
  
  if args.key?(:title)
    title_html = args[:title].to_s.html
  elsif args.key?(:title_html)
    title_html = args[:title_html]
  end
  
  html = ""
  
  classes = ["input_#{args[:type]}"]
  classes = classes | args[:classes] if args.key?(:classes)
  attr["class"] = classes.join(" ")
  
  if args[:type] == :checkbox
    attr["value"] = args[:value_active] if args.key?(:value_active)
    attr["checked"] = "checked" if value.is_a?(String) and value == "1" or value.to_s == "1" or value.to_s == "on" or value.to_s == "true"
    attr["checked"] = "checked" if value.is_a?(TrueClass)
    
    html << "<tr#{classes_tr_html}>"
    html << "<td colspan=\"2\" class=\"tdcheck\">"
    html << "<input#{self.attr_html(attr)} />"
    html << "<label for=\"#{args[:id].html}\">#{title_html}</label>"
    html << "</td>"
    html << "</tr>"
  elsif args[:type] == :headline
    html << "<tr#{classes_tr_html}><td colspan=\"2\"><h2 class=\"input_headline\">#{title_html}</h2></td></tr>"
  elsif args[:type] == :spacer
    html << "<tr#{classes_tr_html}><td colspan=\"2\">&nbsp;</td></tr>"
  else
    html << "<tr#{classes_tr_html} id=\"#{Knj::Web.html("#{args[:id]}_tr")}\">"
    html << "<td class=\"tdt\" id=\"#{Knj::Web.html("#{args[:id]}_label")}\"><div>"
    html << title_html
    html << "</div></td>"
    html << "<td#{self.style_html(css)} class=\"tdc\" id=\"#{Knj::Web.html("#{args[:id]}_content")}\"><div>"
    
    if args[:type] == :textarea
      if args.key?(:height)
        if Knj::Php.is_numeric(args[:height])
          css["height"] = "#{args[:height]}px"
        else
          css["height"] = args[:height]
        end
      end
      
      html << "<textarea#{self.style_html(css)} class=\"input_textarea\" name=\"#{args[:name].html}\" id=\"#{args[:id].html}\">#{value}</textarea>"
    elsif args[:type] == :fckeditor
      args[:height] = 400 if !args[:height]
      
      require "/usr/share/fckeditor/fckeditor.rb"
      fck = FCKeditor.new(args[:name])
      fck.Height = args[:height].to_i
      fck.Value = value
      html << fck.CreateHtml
    elsif args[:type] == :select
      attr["multiple"] = "multiple" if args[:multiple]
      attr["size"] = args["size"] if args[:size]
      
      html << "<select#{self.attr_html(attr)}>"
      html << Knj::Web.opts(args[:opts], value, args[:opts_args])
      html << "</select>"
    elsif args[:type] == :imageupload
      html << "<table class=\"designtable\"><tr#{classes_tr_html}><td style=\"width: 100%;\">"
      html << "<input type=\"file\" name=\"#{args[:name].html}\" class=\"input_file\" />"
      html << "</td><td style=\"padding-left: 5px;\">"
      
      raise "No path given for imageupload-input." if !args.key?(:path)
      raise "No value given in arguments for imageupload-input." if !args.key?(:value)
      
      path = args[:path].gsub("%value%", value.to_s).untaint
      if File.exists?(path)
        html << "<img src=\"image.rhtml?path=#{self.urlenc(path).html}&smartsize=100&rounded_corners=10&border_color=black&force=true&ts=#{Time.new.to_f}\" alt=\"Image\" />"
        
        if args[:dellink]
          dellink = args[:dellink].gsub("%value%", value.to_s)
          html << "<div style=\"text-align: center;\">(<a href=\"javascript: if (confirm('#{_("Do you want to delete the image?")}')){location.href='#{dellink}';}\">#{_("delete")}</a>)</div>"
        end
      end
      
      html << "</td></tr></table>"
    elsif args[:type] == :file
      html << "<input type=\"#{args[:type].to_s}\" class=\"input_#{args[:type].to_s}\" name=\"#{args[:name].html}\" />"
    elsif args[:type] == :textshow or args[:type] == :info
      html << value.to_s
    elsif args[:type] == :plain
      html << "#{Knj::Php.nl2br(Knj::Web.html(value))}"
    elsif args[:type] == :editarea
      css["width"] = "100%"
      css["height"] = args[:height] if args.key?(:height)
      html << "<textarea#{self.attr_html(attr)}#{self.style_html(css)} id=\"#{args[:id]}\" name=\"#{args[:name]}\">#{value}</textarea>"
      
      jshash = {
        "id" => args[:id],
        "start_highlight" => true
      }
      
      pos_keys = [:skip_init, :allow_toggle, :replace_tab_by_spaces, :toolbar, :syntax]
      pos_keys.each do |key|
        jshash[key.to_s] = args[key] if args.key?(key)
      end
      
      html << "<script type=\"text/javascript\">"
      html << "function knj_web_init_#{args[:name]}(){"
      html << "editAreaLoader.init(#{Knj::Php.json_encode(jshash)});"
      html << "}"
      html << "</script>"
    elsif args[:type] == :numeric
      attr[:type] = :text
      attr[:value] = value
      html << "<input#{self.attr_html(attr)} />"
    else
      attr[:value] = value
      html << "<input#{self.attr_html(attr)} />"
    end
    
    html << "</div></td></tr>"
  end
  
  html << "<tr#{classes_tr_html}><td colspan=\"2\" class=\"tdd\">#{args[:descr]}</td></tr>" if args[:descr]
  return html
end

.inputs(arr) ⇒ Object 



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# File 'lib/knj/web.rb', line 215

def self.inputs(arr)
  html = ""
  arr.each do |args|
    if RUBY_ENGINE == "rbx"
      html << self.input(args).to_s.encode(html.encoding)
    else
      html << self.input(args)
    end
  end
  
  return html
end

.locale(args = {}) ⇒ Object 



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# File 'lib/knj/web.rb', line 693

def self.locale(args = {})
  if args[:servervar]
    servervar = args[:servervar]
  else
    servervar = _server
  end
  
  if !servervar
    raise "Could not figure out meta data."
  end
  
  ret = {
    :recommended => [],
    :browser => []
  }
  
  alangs = servervar["HTTP_ACCEPT_LANGUAGE"].to_s
  if alangs.length > 0
    alangs.split(/\s*,\s*/).each do |alang|
      if qmatch = alang.match(/;\s*q=([\d\.]+)/)
        alang.gsub!(/;\s*q=([\d\.]+)/, "")
        q = qmatch[1].to_f
      else
        q = 1.0
      end
      
      if match = alang.match(/^([A-z]+)-([A-z]+)$/)
        locale = match[1]
        sublocale = match[2]
      else
        locale = alang
        sublocale = false
      end
      
      ret[:browser] << {
        :locale => locale,
        :sublocale => sublocale,
        :q => q
      }
    end
  end
  
  if args[:supported] and ret[:browser]
    ret[:browser].each do |locale|
      args[:supported].each do |supported_locale|
        if match = supported_locale.match(/^([A-z]+)_([A-z]+)$/)
          if match[1] == locale[:locale]
            if !locale[:sublocale]
              ret[:recommended] << supported_locale if ret[:recommended].index(supported_locale) == nil
            elsif locale[:sublocale] == match[1]
              ret[:recommended] << supported_locale if ret[:recommended].index(supported_locale) == nil
            end
          end
        end
      end
    end
  end
  
  if args[:default]
    ret[:recommended] << args[:default] if ret[:recommended].index(args[:default]) == nil
  end
  
  return ret
end

.opts(opthash, curvalue = nil, opts_args = {}) ⇒ Object 



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# File 'lib/knj/web.rb', line 465

def self.opts(opthash, curvalue = nil, opts_args = {})
  opts_args = {} if !opts_args
  Knj::ArrayExt.hash_sym(opts_args)
  
  return "" if !opthash
  cname = curvalue.class.name
  curvalue = curvalue.id if (cname == "Knj::Db_row" or cname == "Knj::Datarow")
  
  html = ""
  addsel = " selected=\"selected\"" if !curvalue
  
  html << "<option#{addsel} value=\"\">#{_("Add new")}</option>" if opts_args and (opts_args[:add] or opts_args[:addnew])
  html << "<option#{addsel} value=\"\">#{_("Choose")}</option>" if opts_args and opts_args[:choose]
  html << "<option#{addsel} value=\"\">#{_("None")}</option>" if opts_args and opts_args[:none]
  html << "<option#{addsel} value=\"\">#{_("All")}</option>" if opts_args and opts_args[:all]
  
  if opthash.is_a?(Hash) or opthash.class.to_s == "Dictionary"
    opthash.each do |key, value|
      html << "<option"
      sel = false
      
      if curvalue.is_a?(Array) and curvalue.index(key) != nil
        sel = true
      elsif curvalue.to_s == key.to_s
        sel = true
      elsif curvalue and curvalue.respond_to?(:is_knj?) and curvalue.id.to_s == key.to_s
        sel = true
      end
      
      html << " selected=\"selected\"" if sel
      html << " value=\"#{Knj::Web.html(key)}\">#{Knj::Web.html(value)}</option>"
    end
  elsif opthash.is_a?(Array)
    opthash.each_index do |key|
      if opthash[key.to_i] != nil
        html << "<option"
        html << " selected=\"selected\"" if curvalue.to_s == key.to_s
        html << " value=\"#{Knj::Web.html(key)}\">#{Knj::Web.html(opthash[key])}</option>"
      end
    end
  end
  
  return html
end

.os(servervar = nil) ⇒ Object 



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# File 'lib/knj/web.rb', line 532

def self.os(servervar = nil)
  servervar = _server if !servervar
  if !servervar
    raise "Could not figure out meta data."
  end
  
  agent = servervar["HTTP_USER_AGENT"].to_s.downcase
  
  if agent.index("(windows;") != nil or agent.index("windows nt") != nil
    return {
      "os" => "win",
      "title" => "Windows"
    }
  elsif agent.index("linux") != nil
    return {
      "os" => "linux",
      "title" => "Linux"
    }
  end
  
  raise "Unknown OS: #{agent}"
end

.parse_cookies(str) ⇒ Object

Parses cookies-string and returns hash with parsed cookies.



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# File 'lib/knj/web.rb', line 14

def self.parse_cookies(str)
  ret = {}
  
  str.split(/;\s*/).each do |cookie_str|
    if !match = cookie_str.match(/^(.*?)=\"(.*)\"$/)
      match = cookie_str.match(/^(.*?)=(.*)$/)
    end
    
    ret[self.urldec(match[1])] = self.urldec(match[2]) if match
  end
  
  return ret
end

.parse_name(seton, varname, value, args = {}) ⇒ Object 



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# File 'lib/knj/web.rb', line 83

def self.parse_name(seton, varname, value, args = {})
  if value.respond_to?(:filename) and value.filename
    realvalue = value
  else
    realvalue = value.to_s
    realvalue = self.urldec(realvalue) if args[:urldecode]
    realvalue = realvalue.force_encoding("utf-8") if args[:force_utf8] if realvalue.respond_to?(:force_encoding)
  end
  
  if varname and varname.index("[") != nil and match = varname.match(/\[(.*?)\]/)
    namepos = varname.index(match[0])
    name = varname.slice(0..namepos - 1)
    name = name.to_sym if args[:syms]
    seton[name] = {} if !seton.key?(name)
    
    secname, secname_empty = Knj::Web.parse_secname(seton[name], match[1], args)
    
    valuefrom = namepos + secname.to_s.length + 2
    restname = varname.slice(valuefrom..-1)
    
    if restname and restname.index("[") != nil
      seton[name][secname] = {} if !seton[name].key?(secname)
      Knj::Web.parse_name_second(seton[name][secname], restname, value, args)
    else
      seton[name][secname] = realvalue
    end
  else
    seton[varname] = realvalue
  end
end

.parse_name_second(seton, varname, value, args = {}) ⇒ Object 



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# File 'lib/knj/web.rb', line 135

def self.parse_name_second(seton, varname, value, args = {})
  if value.respond_to?(:filename) and value.filename
    realvalue = value
  else
    realvalue = value.to_s
    realvalue = realvalue.force_encoding("utf-8") if args[:force_utf8]
  end
  
  match = varname.match(/^\[(.*?)\]/)
  if match
    namepos = varname.index(match[0])
    name = match[1]
    secname, secname_empty = Knj::Web.parse_secname(seton, match[1], args)
    
    valuefrom = namepos + match[1].length + 2
    restname = varname.slice(valuefrom..-1)
    
    if restname and restname.index("[") != nil
      seton[secname] = {} if !seton.key?(secname)
      Knj::Web.parse_name_second(seton[secname], restname, value, args)
    else
      seton[secname] = realvalue
    end
  else
    seton[varname] = realvalue
  end
end

.parse_secname(seton, secname, args) ⇒ Object 



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# File 'lib/knj/web.rb', line 114

def self.parse_secname(seton, secname, args)
  secname_empty = false
  if secname.length <= 0
    secname_empty = true
    try = 0
    
    loop do
      if !seton.key?(try.to_s)
        break
      else
        try += 1
      end
    end
    
    secname = try.to_s
  end
  
  secname = secname.to_sym if args[:syms] and secname.is_a?(String) and !Knj::Php.is_numeric(secname)
  return [secname, secname_empty]
end

.parse_set_cookies(str) ⇒ Object 



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# File 'lib/knj/web.rb', line 28

def self.parse_set_cookies(str)
  str = String.new(str.to_s)
  return [] if str.length <= 0
  args = {}
  cookie_start_regex = /^(.+?)=(.*?)(;\s*|$)/
  
  match = str.match(cookie_start_regex)
  raise "Could not match cookie: '#{str}'." if !match
  str.gsub!(cookie_start_regex, "")
  
  args["name"] = self.urldec(match[1].to_s)
  args["value"] = self.urldec(match[2].to_s)
  
  while match = str.match(/(.+?)=(.*?)(;\s*|$)/)
    str = str.gsub(match[0], "")
    args[match[1].to_s.downcase] = match[2].to_s
  end
  
  return [args]
end

.parse_uri(str) ⇒ Object

Parses URI and returns hash with data.



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# File 'lib/knj/web.rb', line 3

def self.parse_uri(str)
  uri_match = str.to_s.match(/^\/(.+?\..*?|)(\?(.*)|)$/)
  raise "Could not parse the URI: '#{str}'." if !uri_match
  
  return {
    :path => "/#{uri_match[1]}",
    :query => uri_match[3]
  }
end

.parse_urlquery(querystr, args = {}) ⇒ Object

Parses a query and returns the various _GET-variables.



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# File 'lib/knj/web.rb', line 67

def self.parse_urlquery(querystr, args = {})
  get = {}
  querystr.to_s.split("&").each do |value|
    pos = value.index("=")
    
    if pos != nil
      name = value[0..pos-1]
      name = name.to_sym if args[:syms]
      valuestr = value.slice(pos+1..-1)
      Knj::Web.parse_name(get, Knj::Web.urldec(name), valuestr, args)
    end
  end
  
  return get
end

.redirect(string, args = {}) ⇒ Object 



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# File 'lib/knj/web.rb', line 176

def self.redirect(string, args = {})
  do_js = true
  
  #Header way
  if !@alert_sent
    if args[:perm]
      Knj::Php.header("Status: 301 Moved Permanently")
    else
      Knj::Php.header("Status: 303 See Other")
    end
    
    Knj::Php.header("Location: #{string}")
  end
  
  print "<script type=\"text/javascript\">location.href=\"#{string}\";</script>" if do_js
  exit
end

.rendering_engine(servervar = nil) ⇒ Object 



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# File 'lib/knj/web.rb', line 510

def self.rendering_engine(servervar = nil)
  servervar = _server if !servervar
  if !servervar
    raise "Could not figure out meta data."
  end
  
  agent = servervar["HTTP_USER_AGENT"].to_s.downcase
  
  if agent.index("webkit") != nil
    return "webkit"
  elsif agent.index("gecko") != nil
    return "gecko"
  elsif agent.index("msie") != nil
    return "msie"
  elsif agent.index("w3c") != nil or agent.index("baiduspider") != nil or agent.index("googlebot") != nil or agent.index("bot") != nil
    return "bot"
  else
    #print "Unknown agent: #{agent}"
    return false
  end
end

.require_eruby(filepath) ⇒ Object 



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# File 'lib/knj/web.rb', line 163

def self.require_eruby(filepath)
  cont = File.read(filepath).untaint
  parse = Erubis.Eruby.new(cont)
  eval(parse.src.to_s)
end

.style_html(css) ⇒ Object 



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# File 'lib/knj/web.rb', line 228

def self.style_html(css)
  return "" if css.length <= 0
  
  str = " style=\""
  
  css.each do |key, val|
    str << "#{key}: #{val};"
  end
  
  str << "\""
  
  return str
end

.url(args = {}) ⇒ Object

Calculates the URL from meta hash.



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# File 'lib/knj/web.rb', line 821

def self.url(args = {})
  if args[:meta]
    meta = args[:meta]
  else
    meta = _meta
  end
  
  url = ""
  
  if meta["HTTP_SSL_ENABLED"] == "1"
    url << "https://"
  else
    url << "http://"
  end
  
  url << meta["HTTP_HOST"]
  url << meta["REQUEST_URI"] if !args.key?(:uri) or args[:uri]
  
  return url
end

.urldec(string) ⇒ Object

URL-decodes a string.



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# File 'lib/knj/web.rb', line 799

def self.urldec(string)
  #Thanks to CGI framework
  str = string.to_s.tr('+', ' ').gsub(/((?:%[0-9a-fA-F]{2})+)/) do
    [$1.delete('%')].pack('H*')
  end
end

.urlenc(string) ⇒ Object

URL-encodes a string.



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# File 'lib/knj/web.rb', line 791

def self.urlenc(string)
  #Thanks to CGI framework
  string.to_s.gsub(/([^ a-zA-Z0-9_.-]+)/) do
    '%' + $1.unpack('H2' * $1.bytesize).join('%').upcase
  end.tr(' ', '+')
end