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Set the modification time of the packaged assets to equal the constituents. #1

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Set the modification time of the packaged assets to equal the constituents. #1

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2a1137f
Updating JS Min to work as a module and not a command line app, match…
Apr 30, 2010
b3df18e
Moving JSMin require for support with rake tasks.
May 6, 2010
08c1758
Rails 3 XSS fixes (using html_safe)
sentientmonkey Apr 18, 2010
d1b5959
Packaged files should take their modification times from the most rec…
Jun 6, 2010
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1 change: 1 addition & 0 deletions init.rb
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
require 'synthesis/asset_package'
require 'synthesis/asset_package_helper'

ActionView::Base.send :include, Synthesis::AssetPackageHelper
351 changes: 186 additions & 165 deletions lib/jsmin.rb
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
#!/usr/bin/ruby
# Updated to work as a module instead of a command line version

# jsmin.rb 2007-07-20
# Author: Uladzislau Latynski
# This work is a translation from C to Ruby of jsmin.c published by
Expand Down Expand Up @@ -31,181 +32,201 @@
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

require 'stringio'

# Ruby 1.9 Compatibility Fix - the below isAlphanum uses Fixnum#ord to be compatible with Ruby 1.9 and 1.8.7
# Fixnum#ord is not found by default in 1.8.6, so monkey patch it in:
if RUBY_VERSION == '1.8.6'
class Fixnum; def ord; return self; end; end
end

EOF = -1
$theA = ""
$theB = ""

# isAlphanum -- return true if the character is a letter, digit, underscore,
# dollar sign, or non-ASCII character
def isAlphanum(c)
return false if !c || c == EOF
return ((c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') ||
(c >= 'A' && c <= 'Z') || c == '_' || c == '$' ||
c == '\\' || c[0].ord > 126)
end

# get -- return the next character from stdin. Watch out for lookahead. If
# the character is a control character, translate it to a space or linefeed.
def get()
c = $stdin.getc
return EOF if(!c)
c = c.chr
return c if (c >= " " || c == "\n" || c.unpack("c") == EOF)
return "\n" if (c == "\r")
return " "
end
class JSMin
# class variables
@@EOF = -1
@@theA = ""
@@theB = ""
@@input = ""
@@output = ""

# Get the next character without getting it.
def peek()
lookaheadChar = $stdin.getc
$stdin.ungetc(lookaheadChar)
return lookaheadChar.chr
end
# singleton methods
class << self

# mynext -- get the next character, excluding comments.
# peek() is used to see if a '/' is followed by a '/' or '*'.
def mynext()
c = get
if (c == "/")
if(peek == "/")
while(true)
c = get
if (c <= "\n")
return c
end
end
end
if(peek == "*")
get
while(true)
case get
when "*"
if (peek == "/")
get
return " "
end
when EOF
raise "Unterminated comment"
end
end
end
def compress(incoming)
@@output = StringIO.new("","w")
if incoming.is_a? String
@@input = StringIO.new(incoming,"r")
elsif incoming.kind_of? IO
@@input = incoming
else
raise ArgumentError.new("JSMin can only compress strings or files")
end
jsmin
@@output.string
end
return c
end


protected
# isAlphanum -- return true if the character is a letter, digit, underscore,
# dollar sign, or non-ASCII character
def isAlphanum(c)
return false if !c || c == @@EOF
return ((c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') ||
(c >= 'A' && c <= 'Z') || c == '_' || c == '$' ||
c == '\\' || c[0].ord > 126)
end

# get -- return the next character from stdin. Watch out for lookahead. If
# the character is a control character, translate it to a space or linefeed.
def get()
c = @@input.getc
return @@EOF if(!c)
c = c.chr
return c if (c >= " " || c == "\n" || c.unpack("c") == @@EOF)
return "\n" if (c == "\r")
return " "
end

# action -- do something! What you do is determined by the argument: 1
# Output A. Copy B to A. Get the next B. 2 Copy B to A. Get the next B.
# (Delete A). 3 Get the next B. (Delete B). action treats a string as a
# single character. Wow! action recognizes a regular expression if it is
# preceded by ( or , or =.
def action(a)
if(a==1)
$stdout.write $theA
end
if(a==1 || a==2)
$theA = $theB
if ($theA == "\'" || $theA == "\"")
while (true)
$stdout.write $theA
$theA = get
break if ($theA == $theB)
raise "Unterminated string literal" if ($theA <= "\n")
if ($theA == "\\")
$stdout.write $theA
$theA = get
end
end
end
end
if(a==1 || a==2 || a==3)
$theB = mynext
if ($theB == "/" && ($theA == "(" || $theA == "," || $theA == "=" ||
$theA == ":" || $theA == "[" || $theA == "!" ||
$theA == "&" || $theA == "|" || $theA == "?" ||
$theA == "{" || $theA == "}" || $theA == ";" ||
$theA == "\n"))
$stdout.write $theA
$stdout.write $theB
while (true)
$theA = get
if ($theA == "/")
break
elsif ($theA == "\\")
$stdout.write $theA
$theA = get
elsif ($theA <= "\n")
raise "Unterminated RegExp Literal"
end
$stdout.write $theA
end
$theB = mynext
end
end
end
# Get the next character without getting it.
def peek()
lookaheadChar = @@input.getc
@@input.ungetc(lookaheadChar)
return lookaheadChar.chr
end

# jsmin -- Copy the input to the output, deleting the characters which are
# insignificant to JavaScript. Comments will be removed. Tabs will be
# replaced with spaces. Carriage returns will be replaced with linefeeds.
# Most spaces and linefeeds will be removed.
def jsmin
$theA = "\n"
action(3)
while ($theA != EOF)
case $theA
when " "
if (isAlphanum($theB))
action(1)
else
action(2)
end
when "\n"
case ($theB)
when "{","[","(","+","-"
action(1)
when " "
action(3)
else
if (isAlphanum($theB))
action(1)
else
action(2)
end
end
else
case ($theB)
when " "
if (isAlphanum($theA))
action(1)
else
action(3)
end
when "\n"
case ($theA)
when "}","]",")","+","-","\"","\\", "'", '"'
action(1)
else
if (isAlphanum($theA))
action(1)
else
action(3)
end
end
else
action(1)
end
end
end
end
# mynext -- get the next character, excluding comments.
# peek() is used to see if a '/' is followed by a '/' or '*'.
def mynext()
c = get
if (c == "/")
if(peek == "/")
while(true)
c = get
if (c <= "\n")
return c
end
end
end
if(peek == "*")
get
while(true)
case get
when "*"
if (peek == "/")
get
return " "
end
when @@EOF
raise "Unterminated comment"
end
end
end
end
return c
end

ARGV.each do |anArg|
$stdout.write "// #{anArg}\n"
end

jsmin
# action -- do something! What you do is determined by the argument: 1
# Output A. Copy B to A. Get the next B. 2 Copy B to A. Get the next B.
# (Delete A). 3 Get the next B. (Delete B). action treats a string as a
# single character. Wow! action recognizes a regular expression if it is
# preceded by ( or , or =.
def action(a)
if(a==1)
@@output.write $theA
end
if(a==1 || a==2)
$theA = $theB
if ($theA == "\'" || $theA == "\"")
while (true)
@@output.write $theA
$theA = get
break if ($theA == $theB)
raise "Unterminated string literal" if ($theA <= "\n")
if ($theA == "\\")
@@output.write $theA
$theA = get
end
end
end
end
if(a==1 || a==2 || a==3)
$theB = mynext
if ($theB == "/" && ($theA == "(" || $theA == "," || $theA == "=" ||
$theA == ":" || $theA == "[" || $theA == "!" ||
$theA == "&" || $theA == "|" || $theA == "?" ||
$theA == "{" || $theA == "}" || $theA == ";" ||
$theA == "\n"))
@@output.write $theA
@@output.write $theB
while (true)
$theA = get
if ($theA == "/")
break
elsif ($theA == "\\")
@@output.write $theA
$theA = get
elsif ($theA <= "\n")
raise "Unterminated RegExp Literal"
end
@@output.write $theA
end
$theB = mynext
end
end
end

# jsmin -- Copy the input to the output, deleting the characters which are
# insignificant to JavaScript. Comments will be removed. Tabs will be
# replaced with spaces. Carriage returns will be replaced with linefeeds.
# Most spaces and linefeeds will be removed.
def jsmin
$theA = "\n"
action(3)
while ($theA != @@EOF)
case $theA
when " "
if (isAlphanum($theB))
action(1)
else
action(2)
end
when "\n"
case ($theB)
when "{","[","(","+","-"
action(1)
when " "
action(3)
else
if (isAlphanum($theB))
action(1)
else
action(2)
end
end
else
case ($theB)
when " "
if (isAlphanum($theA))
action(1)
else
action(3)
end
when "\n"
case ($theA)
when "}","]",")","+","-","\"","\\", "'", '"'
action(1)
else
if (isAlphanum($theA))
action(1)
else
action(3)
end
end
else
action(1)
end
end
end
end
end
end
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