A utility module for conversion routines, often handy in HTML generation.
A utility method for escaping HTML tag characters in s.
require "erb" include ERB::Util puts html_escape("is a > 0 & a < 10?")
Generates
is a > 0 & a < 10?
# File erb.rb, line 826
def html_escape(s)
s.to_s.gsub(/&/, "&").gsub(/\"/, """).gsub(/>/, ">").gsub(/</, "<")
end
A utility method for encoding the String s as a URL.
require "erb" include ERB::Util puts url_encode("Programming Ruby: The Pragmatic Programmer's Guide")
Generates
Programming%20Ruby%3A%20%20The%20Pragmatic%20Programmer%27s%20Guide
# File erb.rb, line 845
def url_encode(s)
s.to_s.dup.force_encoding("ASCII-8BIT").gsub(/[^a-zA-Z0-9_\-.]/) {
sprintf("%%%02X", $&.unpack("C")[0])
}
end