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# Phusion Passenger - http://www.modrails.com/
# Copyright (c) 2010 Phusion
#
# "Phusion Passenger" is a trademark of Hongli Lai & Ninh Bui.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
require 'erb'
require 'phusion_passenger'
module PhusionPassenger
# A convenience utility class for rendering our error pages.
class HTMLTemplate
def initialize(template_name, options = {})
@buffer = ''
@template = ERB.new(File.read("#{TEMPLATES_DIR}/#{template_name}.html.erb"),
nil, nil, '@buffer')
options.each_pair do |name, value|
self[name] = value
end
end
def []=(name, value)
instance_variable_set("@#{name}".to_sym, value)
return self
end
def result
return @template.result(binding)
end
private
include ERB::Util
def get_binding
return binding
end
def layout(template_name, options = {})
options.each_pair do |name, value|
self[name] = value
end
layout_template = ERB.new(File.read("#{TEMPLATES_DIR}/#{template_name}.html.erb"))
b = get_binding do
old_size = @buffer.size
yield
@buffer.slice!(old_size .. @buffer.size)
end
@buffer << layout_template.result(b)
end
def include(filename)
return File.read("#{TEMPLATES_DIR}/#{filename}")
end
def backtrace_html_for(error)
html = %Q{
<table class="backtrace">
<tr class="headers">
<th>#</th>
<th>File</th>
<th>Line</th>
<th>Location</th>
</tr>
}
in_passenger = false
error.backtrace.each_with_index do |item, i|
filename, line, location = item.split(':', 3)
in_passenger ||= starts_with(filename, "#{LIBDIR}/phusion_passenger")
class_names = in_passenger ? "passenger" : "framework"
class_names << ((i & 1 == 0) ? " uneven" : " even")
html << %Q{
<tr class="backtrace_line #{class_names}">
<td class="index">#{i}</td>
<td class="filename">#{filename}</td>
<td class="line">#{line}</td>
<td class="location">#{location}</td>
</tr>
}
end
html << "</table>\n"
return html
end
def starts_with(str, substr)
return str[0 .. substr.size - 1] == substr
end
end
end # module PhusionPassenger
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