From 84b8431608174e74a4c0d2394eb330a6621bc74b Mon Sep 17 00:00:00 2001 From: no author Date: Mon, 26 Sep 2005 02:58:54 +0000 Subject: New Repository, initial import --- lib/coderay/encoders/helpers/html_css.rb | 168 +++++++++++++++++++ lib/coderay/encoders/helpers/html_helper.rb | 68 ++++++++ lib/coderay/encoders/helpers/html_output.rb | 240 ++++++++++++++++++++++++++++ 3 files changed, 476 insertions(+) create mode 100644 lib/coderay/encoders/helpers/html_css.rb create mode 100644 lib/coderay/encoders/helpers/html_helper.rb create mode 100644 lib/coderay/encoders/helpers/html_output.rb (limited to 'lib/coderay/encoders/helpers') diff --git a/lib/coderay/encoders/helpers/html_css.rb b/lib/coderay/encoders/helpers/html_css.rb new file mode 100644 index 0000000..f9cadf7 --- /dev/null +++ b/lib/coderay/encoders/helpers/html_css.rb @@ -0,0 +1,168 @@ +module CodeRay module Encoders + + class HTML + class CSS + + def initialize stylesheet = TOKENS + @classes = Hash.new + parse stylesheet + end + + def [] *styles + cl = @classes[styles.first] + return '' unless cl + style = false + 1.upto(cl.size + 1) do |offset| + break if style = cl[styles[offset .. -1]] + end + return style + end + + private + + CSS_CLASS = / + ( (?: # $1 = classes + \s* \. [-\w]+ + )+ ) + \s* \{ + ( [^\}]* ) # $2 = style + \} \s* + | + ( . ) # $3 = error + /mx + def parse stylesheet + stylesheet.scan CSS_CLASS do |classes, style, error| + raise "CSS parse error: '#{error}' not recognized" if error + styles = classes.scan(/[-\w]+/) + cl = styles.pop + @classes[cl] ||= Hash.new + @classes[cl][styles] = style.strip + end + end + + MAIN = <<-'MAIN' +.code { + background-color: #FAFAFA; + border: 1px solid #D1D7DC; + font-family: 'Courier New', 'Terminal', monospace; + font-size: 10pt; + color: black; + vertical-align: top; + text-align: left; + padding: 0px; +} +span.code { white-space: pre; } +.code tt { font-weight: bold; } +.code pre { + font-size: 10pt; + margin: 0px 5px; +} +.code .code_table { + margin: 0px; +} +.code .line_numbers { + margin: 0px; + background-color:#DEF; color: #777; + vertical-align: top; + text-align: right; +} +.code .code_cell { + width: 100%; + background-color:#FAFAFA; + color: black; + vertical-align: top; + text-align: left; +} +.code .no { + background-color:#DEF; + color: #777; + padding: 0px 5px; + font-weight: normal; + font-style: normal; +} + +.code tt { display: hidden; } + + MAIN + + TOKENS = <<-'TOKENS' +.af { color:#00C; } +.an { color:#007; } +.av { color:#700; } +.aw { color:#C00; } +.bi { color:#509; font-weight:bold; } +.c { color:#888; } + +.ch { color:#04D; /* background-color:#f0f0ff; */ } +.ch .k { color:#04D; } +.ch .dl { color:#039; } + +.cl { color:#B06; font-weight:bold; } +.co { color:#036; font-weight:bold; } +.cr { color:#0A0; } +.cv { color:#369; } +.df { color:#099; font-weight:bold; } +.di { color:#088; font-weight:bold; } +.dl { color:black; } +.do { color:#970; } +.ds { color:#D42; font-weight:bold; } +.e { color:#666; font-weight:bold; } +.er { color:#F00; background-color:#FAA; } +.ex { color:#F00; font-weight:bold; } +.fl { color:#60E; font-weight:bold; } +.fu { color:#06B; font-weight:bold; } +.gv { color:#d70; font-weight:bold; } +.hx { color:#058; font-weight:bold; } +.i { color:#00D; font-weight:bold; } +.ic { color:#B44; font-weight:bold; } +.in { color:#B2B; font-weight:bold; } +.iv { color:#33B; } +.la { color:#970; font-weight:bold; } +.lv { color:#963; } +.oc { color:#40E; font-weight:bold; } +.on { color:#000; font-weight:bold; } +.pc { color:#038; font-weight:bold; } +.pd { color:#369; font-weight:bold; } +.pp { color:#579; } +.pt { color:#339; font-weight:bold; } +.r { color:#080; font-weight:bold; } + +.rx { background-color:#fff0ff; } +.rx .k { color:#808; } +.rx .dl { color:#404; } +.rx .mod { color:#C2C; } +.rx .fu { color:#404; font-weight: bold; } + +.s { background-color:#fff0f0; } +.s .s { background-color:#ffe0e0; } +.s .s .s { background-color:#ffd0d0; } +.s .k { color:#D20; } +.s .dl { color:#710; } + +.sh { background-color:#f0fff0; } +.sh .k { color:#2B2; } +.sh .dl { color:#161; } + +.sy { color:#A60; } +.sy .k { color:#A60; } +.sy .dl { color:#630; } + +.ta { color:#070; } +.tf { color:#070; font-weight:bold; } +.ts { color:#D70; font-weight:bold; } +.ty { color:#339; font-weight:bold; } +.v { color:#036; } +.xt { color:#444; } + TOKENS + + DEFAULT_STYLESHEET = MAIN + TOKENS + + end + end + +end end + +if $0 == __FILE__ + require 'pp' + pp CodeRay::Encoders::HTML::CSS.new +end diff --git a/lib/coderay/encoders/helpers/html_helper.rb b/lib/coderay/encoders/helpers/html_helper.rb new file mode 100644 index 0000000..03ea0a2 --- /dev/null +++ b/lib/coderay/encoders/helpers/html_helper.rb @@ -0,0 +1,68 @@ +module CodeRay module Encoders + + class HTML + + ClassOfKind = { + :attribute_name => 'an', + :attribute_name_fat => 'af', + :attribute_value => 'av', + :attribute_value_fat => 'aw', + :bin => 'bi', + :char => 'ch', + :class => 'cl', + :class_variable => 'cv', + :color => 'cr', + :comment => 'c', + :constant => 'co', + :content => 'k', + :definition => 'df', + :delimiter => 'dl', + :directive => 'di', + :doc => 'do', + :doc_string => 'ds', + :error => 'er', + :escape => 'e', + :exception => 'ex', + :float => 'fl', + :function => 'fu', + :global_variable => 'gv', + :hex => 'hx', + :include => 'ic', + :instance_variable => 'iv', + :integer => 'i', + :interpreted => 'in', + :label => 'la', + :local_variable => 'lv', + :modifier => 'mod', + :oct => 'oc', + :operator_name => 'on', + :pre_constant => 'pc', + :pre_type => 'pt', + :predefined => 'pd', + :preprocessor => 'pp', + :regexp => 'rx', + :reserved => 'r', + :shell => 'sh', + :string => 's', + :symbol => 'sy', + :tag => 'ta', + :tag_fat => 'tf', + :tag_special => 'ts', + :type => 'ty', + :variable => 'v', + :xml_text => 'xt', + + :ident => :NO_HIGHLIGHT, # 'id' + :operator => :NO_HIGHLIGHT, # 'op' + :space => :NO_HIGHLIGHT, # 'sp' + :plain => :NO_HIGHLIGHT, + } + ClassOfKind[:procedure] = ClassOfKind[:method] = ClassOfKind[:function] + ClassOfKind[:open] = ClassOfKind[:close] = ClassOfKind[:delimiter] + ClassOfKind[:nesting_delimiter] = ClassOfKind[:delimiter] + ClassOfKind[:escape] = ClassOfKind[:delimiter] + ClassOfKind.default = ClassOfKind[:error] or raise 'no class found for :error!' + + end + +end end diff --git a/lib/coderay/encoders/helpers/html_output.rb b/lib/coderay/encoders/helpers/html_output.rb new file mode 100644 index 0000000..e2b26e7 --- /dev/null +++ b/lib/coderay/encoders/helpers/html_output.rb @@ -0,0 +1,240 @@ +module CodeRay + module Encoders + + class HTML + + # This module is included in the output String from thew HTML Encoder. + # + # It provides methods like wrap, div, page etc. + # + # Remember to use #clone instead of #dup to keep the modules the object was + # extended with. + # + # TODO: more doc. + module Output + + class << self + + # This makes Output look like a class. + # + # Example: + # + # a = Output.new 'Code' + # a.wrap! :page + def new string, element = nil + output = string.clone.extend self + output.wrapped_in = element + output + end + + # Raises an exception if an object that doesn't respond to to_str is extended by Output, + # to prevent users from misuse. Use Module#remove_method to disable. + def extended o + warn "The Output module is intended to extend instances of String, not #{o.class}." unless o.respond_to? :to_str + end + + def page_template_for_css css = :default + css = CSS::DEFAULT_STYLESHEET if css == :default + PAGE.apply 'CSS', css + end + + # Define a new wrapper. This is meta programming. + def wrapper *wrappers + wrappers.each do |wrapper| + define_method wrapper do |*args| + wrap wrapper, *args + end + define_method(:"#{wrapper}!") do |*args| + wrap! wrapper, *args + end + end + end + end + + wrapper :div, :span, :page + + def wrapped_in + @wrapped_in || nil + end + attr_writer :wrapped_in + + def wrapped_in? element + wrapped_in == element + end + + def wrap_in template + clone.wrap_in! template + end + + def wrap_in! template + Template.wrap! self, template, 'CONTENT' + self + end + + def wrap! element, *args + return self if not element or element == wrapped_in + case element + when :div + raise "Can't wrap %p in %p" % [wrapped_in, element] unless wrapped_in? nil + wrap_in! DIV + when :span + raise "Can't wrap %p in %p" % [wrapped_in, element] unless wrapped_in? nil + wrap_in! SPAN + when :page + wrap! :div if wrapped_in? nil + raise "Can't wrap %p in %p" % [wrapped_in, element] unless wrapped_in? :div + wrap_in! Output.page_template_for_css + when nil + return self + else + raise "Unknown value %p for :wrap" % element + end + @wrapped_in = element + self + end + + def wrap *args + clone.wrap!(*args) + end + + def numerize! mode = :table, options = {} + return self unless mode + + offset = options.fetch :line_numbers_offset, DEFAULT_OPTIONS[:line_numbers_offset] + unless offset.is_a? Integer + raise ArgumentError, "Invalid value %p for :offset; Integer expected." % offset + end + + unless NUMERIZABLE_WRAPPINGS.include? options[:wrap] + raise ArgumentError, "Can't numerize, :wrap must be in %p, but is %p" % [NUMERIZABLE_WRAPPINGS, options[:wrap]] + end + + bold_every = options.fetch :bold_every, DEFAULT_OPTIONS[:bold_every] + bolding = + if bold_every == :no_bolding or bold_every == 0 + proc { |line| line.to_s } + elsif bold_every.is_a? Integer + proc do |line| + if line % bold_every == 0 + "#{line}" # every bold_every-th number in bold + else + line.to_s + end + end + else + raise ArgumentError, "Invalid value %p for :bolding; :no_bolding or Integer expected." % bolding + end + + line_count = count("\n") + line_count += 1 if self[-1] != ?\n + + case mode + when :inline + max_width = line_count.to_s.size + line = offset - 1 + gsub!(/^/) do + line += 1 + line_number = bolding.call line + "#{ line_number.rjust(max_width) } " + end + wrap! :div + + when :table + # This is really ugly. + # Because even monospace fonts seem to have different heights when bold, + # I make the newline bold, both in the code and the line numbers. + # FIXME Still not working perfect for Mr. Internet Exploder + line_numbers = (offset ... offset + line_count).to_a.map(&bolding).join("\n") + line_numbers << "\n" # also for Mr. MS Internet Exploder :-/ + line_numbers.gsub!(/\n/) { "\n" } + + line_numbers_tpl = DIV_TABLE.apply('LINE_NUMBERS', line_numbers) + gsub!(/\n/) { "\n" } + wrap_in! line_numbers_tpl + @wrapped_in = :div + + else + raise ArgumentError, "Unknown value %p for mode: :inline or :table expected" % mode + end + + self + end + + def numerize *args + clone.numerize!(*args) + end + + class Template < String + + def self.wrap! str, template, target + target = Regexp.new(Regexp.escape("<%#{target}%>")) + if template =~ target + str[0,0] = $` + str << $' + else + raise "Template target <%%%p%%> not found" % target + end + end + + def apply target, replacement + target = Regexp.new(Regexp.escape("<%#{target}%>")) + if self =~ target + Template.new($` + replacement + $') + else + raise "Template target <%%%p%%> not found" % target + end + end + + module Simple + def ` str #` + Template.new str + end + end + end + + extend Template::Simple + +#-- don't include the templates in docu + + SPAN = `<%CONTENT%>` + + DIV, DIV_TABLE, PAGE = + <<-`DIV`, <<-`DIV_TABLE`, <<-`PAGE` + +
+
<%CONTENT%>
+
+ DIV + +
+ + + + + + 
<%LINE_NUMBERS%>
<%CONTENT%>
+
+ DIV_TABLE + + + + + + CodeRay HTML Encoder Example + + + +<%CONTENT%> + + + PAGE + + end + + end + +end +end -- cgit v1.2.1