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require 'time'; require 'cgi'
$: << "vendor"
require 'bluecloth'; require 'rubypants'; require 'htemplate'
BlueCloth::EmptyElementSuffix.replace(">")
Dir.mkdir("html") rescue true
def File.write(name, content)
File.open(name, "wb") { |out| out << content }
puts name
end
def dep(dst, *srcs)
yield dst unless srcs.all? { |src|
(File.mtime(src) < File.mtime(dst) rescue false) }
end
def parse(f)
head, body = File.read(f).split("\n\n", 2) rescue (return nil)
entry = {:body => body, :id => File.basename(f, ".entry"), :file => f}
head.scan(/(\w+): *(.*)/) { entry[$1.downcase.to_sym] = $2 }
entry[:date] = Time.parse(entry[:date]) if entry[:date]
entry[:title] = entry[:date].strftime("%d%b%Y").downcase if entry[:date]
entry
end
Entry = Hash.new { |h, k| h[k] = parse k }
ENTRIES = Dir.glob("entries/*.entry").map { |x| Entry[x] }.
sort_by { |f| f[:date] }.reverse
Entry.values.each { |v| Entry[v[:id]] = v }
class SpanBlueCloth < BlueCloth
def apply_block_transforms(text, rs)
text # we don't do blocks
end
def to_html
super.strip
end
end
class InlineMath < String
MATH_TEX = 'http://vuxu.org/~chris/mathtex/mathtex.cgi?' +
CGI.escape('\textstyle{}\usepackage{color}\color{white}\rule[-0.333em]{0.01pt}{1.2em}\color{black}')
def to_html
gsub(/\$(.*?)\$/) {
html = CGI.escapeHTML($1)
formula = CGI.escape($1).gsub('+', '%20')
%{<img class="inline-math" alt="#{html}" src="#{MATH_TEX}#{formula}">}
}
end
end
class Dots < String
MATH_TEX = "http://vuxu.org/~chris/mathtex/mathtex.cgi?"
def to_html
gsub(/^\.(\w+)([^\n]*?)\n(.*?)^\.\1\.$/m) {
name, args, body = $1, $2, $3
case name
when "link"
title, desc = body.split("|", 2)
# why does bluecloth need those div?
%{<p class="link"><span><a href="#{args.strip}">#{title.strip}</a>#{SpanBlueCloth.new(desc).to_html}</span></p>}
when "quote"
if args.strip.empty?
src = ""
else
src = %{<span class="source">— #{args.strip}</span>}
end
text = (body + src).gsub(/^ +/) { " " * $&.size }.
gsub(/^.*$/, '> \& ')
%{<div class="quote">#{BlueCloth.new(text).to_html}</div>}
when "math"
body << "\\eqno{#{args.strip}}" unless args.strip.empty?
%{<div class="math"><img alt="#{CGI.escapeHTML body}" src="#{MATH_TEX}#{CGI.escape(body).gsub('+', '%20')}"></div>}
else
%{<div class="#{name}">#{BlueCloth.new(Dots.new(body).to_html).to_html}</div>}
end
}
end
end
def format(e)
RubyPants.new(
BlueCloth.new(
Dots.new(
InlineMath.new(
e[:body]
).to_html).to_html).to_html).to_html
end
def template(template, data)
HTemplate.new(File.read(template), template).expand(data)
end
def group(entries, &block)
r = {}; entries.each { |e| (r[block[e]] ||= []) << e }; r
end
def inner_sort(group, &block)
group.each { |key, entries| entries.sort_by(&block) }
end
def outer_sort(group, &block)
group.sort_by(&block)
end
def chain(group, name)
group.each_with_index { |(key, entries), i|
entries.each { |e|
e[:"next_by_#{name}"] = group[i+1][0] if group[i+1]
e[:"prev_by_#{name}"] = group[i-1][0] if i > 0
}
}
end
def deps(e)
[e[:id], e[:next_by_date], e[:prev_by_date]].compact.map {|z| Entry[z][:file] }
end
single_by_date = group(ENTRIES) { |e| e[:id] }
single_by_date = outer_sort(single_by_date) { |k,e| e.first[:date] }
chain(single_by_date, "date")
single_by_date.each { |date, entries|
entry = entries.first
dep "html/#{entry[:id]}.html", "template/single.ht", *deps(entry) do |dst|
File.write(dst, template("template/single.ht", entry))
end
}
monthly = group(ENTRIES) { |e| e[:date].strftime("%Y-%m") }
inner_sort(monthly) { |e| e[:date] }
monthly = outer_sort(monthly) { |k,e| e.first[:date] }
chain(monthly, "month")
monthly.each { |month, entries|
entry = entries.first
dep "html/#{month}.html", "template/monthly.ht", *deps(entry) do |dst|
File.write(dst, template("template/monthly.ht", :entries => entries, :month => month))
end
}
front = ENTRIES.first(10)
d = front.map { |e| e[:file] }
dep "html/index.html", "template/front.ht", *d do |dst|
File.write(dst, template("template/front.ht", :entries => front, :next => monthly.last))
end
feed = ENTRIES.first(20)
d = feed.map { |e| e[:file] }
dep "html/index.atom", "template/atom.ht", *d do |dst|
File.write(dst, template("template/atom.ht",
:entries => feed, :time => Time.now))
end
d = ENTRIES.map { |e| e[:file] }
dep "html/all.html", "template/all.ht", *d do |dst|
File.write(dst, template("template/all.ht", :entries => ENTRIES))
end
system "rsync -r data/ html"
|
