public
Description: URITemplate is a parser for URI Templates as defined in the URI Template specification (http://bitworking.org/projects/URI-Templates).
Homepage: http://uri-templates.rubyforge.org/
Clone URL: git://github.com/juretta/uri-templates.git
Search Repo:
structuring the gem files
juretta (author)
Fri Mar 14 02:31:38 -0700 2008
commit  efb735d5c745bfccc1a58e56b0de6732f6e7329e
tree    4af5db1ef274dbb9ad5b720883b9334d2a833def
parent  c6641686e4add86146eed869d04995f3cd06e799
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0
@@ -3,7 +3,6 @@
0
   rule uri_template
0
     uri_element more_elements:(uri_element)* {
0
       def value(env={})
0
-    #raise more_elements.elements.inspect
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         uri_element.value(env) << more_elements.elements.map{|el| el.value(env)}.join
0
       end
0
     }
0
0
0
@@ -14,32 +13,28 @@
0
   end
0
 
0
   rule expansion
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- '{'
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-  c:(
0
-    var
0
-    /
0
-    operator
0
-  )
0
-  '}'
0
-   {
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- def value(env = {})
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-   if c.respond_to? :value
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-   c.value(env)
0
-   else
0
-   c.interval.to_s + "<>"
0
-   end
0
- end
0
+ '{'
0
+ c:(
0
+ var
0
+ /
0
+ operator
0
+ )
0
+ '}'
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+ {
0
+ def value(env = {})
0
+ c.value(env)
0
+ end
0
       }
0
   end
0
 
0
   rule uri_part
0
     (unreserved / reserved / pct_encoded) {
0
- def value(env = {})
0
- text_value
0
- end
0
- }
0
+ def value(env = {})
0
+ text_value
0
+ end
0
+ }
0
   end
0
-
0
+
0
   rule arg
0
     (reserved / unreserved / pct_encoded)*
0
   end
0
0
@@ -47,25 +42,25 @@
0
   rule op
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     (
0
     'opt' {
0
-   # If one or more of the variables are defined and non-empty then
0
-      # substitute the value of 'arg', otherwise substitute the empty string.
0
-   def exec
0
-   lambda do |env, arg, vars|
0
- ret = ''
0
- vars.split(',').each do |var|
0
-   if !env[var].to_s.blank?
0
-   ret = "#{arg}"
0
- break
0
-   end
0
-     end
0
- ret
0
- end
0
-   end
0
-   }
0
+ # If one or more of the variables are defined and non-empty then
0
+ # substitute the value of 'arg', otherwise substitute the empty string.
0
+ def exec
0
+ lambda do |env, arg, vars|
0
+ ret = ''
0
+ vars.split(',').each do |var|
0
+ if !env[var].to_s.blank?
0
+ ret = "#{arg}"
0
+ break
0
+ end
0
+ end
0
+ ret
0
+ end
0
+ end
0
+ }
0
     /
0
     'neg' {
0
-   # If all of the variables are un-defined or empty then substitute the
0
-   # value of arg, otherwise substitute the empty string.
0
+ # If all of the variables are un-defined or empty then substitute the
0
+ # value of arg, otherwise substitute the empty string.
0
       def exec
0
         lambda do |env, arg, vars|
0
           ret = "#{arg}"
0
0
0
0
0
0
0
0
@@ -81,85 +76,84 @@
0
     }
0
     /
0
     'prefix' {
0
-   # The prefix operator MUST only have one variable in its expansion. If
0
-   # the variable is defined and non-empty then substitute the value of
0
-   # arg followed by the value of the variable, otherwise substitute the
0
-   # empty string.
0
+ # The prefix operator MUST only have one variable in its expansion. If
0
+ # the variable is defined and non-empty then substitute the value of
0
+ # arg followed by the value of the variable, otherwise substitute the
0
+ # empty string.
0
       def exec
0
         lambda do |env, prefix, vars|
0
- v = env[vars]
0
- if vars =~ /([^=]+)=([^=]+)/
0
- var, default = $1.dup, $2.dup
0
- v = env[var]
0
- v = default if v.to_s.blank?
0
- end
0
-
0
-     !v.blank? ? "#{prefix}#{UriTemplate::Encoder.encode(v)}" : ""
0
-    end
0
+ v = env[vars]
0
+ if vars =~ /([^=]+)=([^=]+)/
0
+ var, default = $1.dup, $2.dup
0
+ v = env[var]
0
+ v = default if v.to_s.blank?
0
+ end
0
+ !v.blank? ? "#{prefix}#{UriTemplate::Encoder.encode(v)}" : ""
0
+ end
0
       end
0
     }
0
     /
0
     'append' {
0
-   # The append operator MUST only have one variable in its expansion. If
0
-   # the variable is defined and non-empty then substitute the value of
0
-   # the variable followed by the value of arg, otherwise substitute the
0
-   # empty string.
0
+ # The append operator MUST only have one variable in its expansion. If
0
+ # the variable is defined and non-empty then substitute the value of
0
+ # the variable followed by the value of arg, otherwise substitute the
0
+ # empty string.
0
       def exec
0
         lambda do |env, append, vars|
0
- v = env[vars]
0
- if vars =~ /([^=]+)=([^=]+)/
0
- var, default = $1.dup, $2.dup
0
- v = env[var]
0
- v = default if v.to_s.blank?
0
- end
0
-     if v
0
-      val = UriTemplate::Encoder.encode(v)
0
-      !val.blank? ? "#{val}#{append}" : ""
0
-     else
0
-     ''
0
-     end
0
-    end
0
+ v = env[vars]
0
+ if vars =~ /([^=]+)=([^=]+)/
0
+ var, default = $1.dup, $2.dup
0
+ v = env[var]
0
+ v = default if v.to_s.blank?
0
+ end
0
+ if v
0
+ val = UriTemplate::Encoder.encode(v)
0
+ !val.blank? ? "#{val}#{append}" : ""
0
+ else
0
+ ''
0
+ end
0
+ end
0
       end
0
     }
0
     /
0
     'join' {
0
-   # For each variable that is defined and non-empty create a keyvalue
0
-   # string that is the concatenation of the variable name, "=", and the
0
-   # variable value. Concatenate more than one keyvalue string with
0
-   # intervening values of arg to create the substitution value.
0
-   def exec
0
+ # For each variable that is defined and non-empty create a keyvalue
0
+ # string that is the concatenation of the variable name, "=", and the
0
+ # variable value. Concatenate more than one keyvalue string with
0
+ # intervening values of arg to create the substitution value.
0
+ def exec
0
         lambda do |env, joinop, vars|
0
-     vars.split(',').map do |var|
0
- v = env[var]
0
- if var =~ /([^=]+)=([^=]+)/
0
- var, default = $1.dup, $2.dup
0
- v = env[var]
0
- v = default if v.to_s.blank?
0
- end
0
-     "#{var}=#{UriTemplate::Encoder.encode(v)}" if v
0
-     end.compact.join(joinop)
0
-    end
0
-   end
0
-  }
0
+ vars.split(',').map do |var|
0
+ v = env[var]
0
+ if var =~ /([^=]+)=([^=]+)/
0
+ var, default = $1.dup, $2.dup
0
+ v = env[var]
0
+ v = default if v.to_s.blank?
0
+ end
0
+ "#{var}=#{UriTemplate::Encoder.encode(v)}" if v
0
+ end.compact.join(joinop)
0
+ end
0
+ end
0
+ }
0
     /
0
     'listjoin' {
0
-   # The listjoin operator MUST have only one variable in its expansion
0
-   # and that variable must be a list. If the list is non-empty then
0
-   # substitute the concatenation of all the list members with intevening
0
-   # values of arg.
0
+ # The listjoin operator MUST have only one variable in its expansion
0
+ # and that variable must be a list. If the list is non-empty then
0
+ # substitute the concatenation of all the list members with intevening
0
+ # values of arg.
0
       #
0
-   # The result of substitution MUST match the URI-reference rule and
0
-   # SHOULD also match any known rules for the scheme of the resulting
0
-   # URI.
0
-   def exec
0
- lambda do |env, joinop, vars|
0
- return "" unless env[vars].respond_to? :each
0
-   env[vars].map do |v|
0
- "#{UriTemplate::Encoder.encode(v)}" if v
0
- end.compact.join(joinop)
0
-   end
0
-   end
0
-  }
0
+ # The result of substitution MUST match the URI-reference rule and
0
+ # SHOULD also match any known rules for the scheme of the resulting
0
+ # URI.
0
+ def exec
0
+ lambda do |env, joinop, vars|
0
+ return "" unless env[vars].respond_to? :each
0
+ env[vars].map do |v|
0
+ "#{UriTemplate::Encoder.encode(v)}" if v
0
+ end.compact.join(joinop)
0
+ end
0
+ end
0
+ }
0
     )
0
   end
0
 
0
0
@@ -167,48 +161,20 @@
0
     var ("," var)*
0
   end
0
   
0
- # see http://www.ietf.org/rfc/rfc3986.txt
0
- rule unreserved
0
- alphanumeric / "-" / "." / "_" / "~"
0
- end
0
-
0
- # see http://www.ietf.org/rfc/rfc3986.txt
0
- rule pct_encoded
0
- '%' hexdig hexdig
0
- end
0
-
0
- rule hexdig
0
- [a-fA-F0-9]
0
- end
0
-
0
- # see http://www.ietf.org/rfc/rfc3986.txt
0
- rule reserved
0
- gen_delims / sub_delims
0
- end
0
-
0
- rule gen_delims
0
- ":" / "/" / "?" / "#" / "[" / "]" / "@"
0
- end
0
-
0
- rule sub_delims
0
- "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "," / ";" / "="
0
- end
0
-
0
-
0
   rule vardefault
0
     (unreserved / pct_encoded)*
0
   end
0
 
0
   rule var
0
     varname defaults:('=' vardefault)* {
0
- def value(env={} )
0
-     return UriTemplate::Encoder.encode(env[name]) if env[name] # UriTemplate::Encoder.encode(env[name])
0
-     #defaults.elements[0].text_value if defaults.elements.size > 0
0
-     defaults.text_value.gsub(/=/, '')
0
- end
0
- def name
0
-     varname.text_value
0
- end
0
+ def value(env={} )
0
+ return UriTemplate::Encoder.encode(env[name]) if env[name]
0
+ defaults.text_value.gsub(/=/, '')
0
+ end
0
+
0
+ def name
0
+ varname.text_value
0
+ end
0
     }
0
   end
0
 
0
@@ -230,6 +196,33 @@
0
 
0
   rule alphanumeric
0
     alpha / [0-9]
0
+ end
0
+
0
+ # see http://www.ietf.org/rfc/rfc3986.txt
0
+ rule unreserved
0
+ alphanumeric / "-" / "." / "_" / "~"
0
+ end
0
+
0
+ # see http://www.ietf.org/rfc/rfc3986.txt
0
+ rule pct_encoded
0
+ '%' hexdig hexdig
0
+ end
0
+
0
+ rule hexdig
0
+ [a-fA-F0-9]
0
+ end
0
+
0
+ # see http://www.ietf.org/rfc/rfc3986.txt
0
+ rule reserved
0
+ gen_delims / sub_delims
0
+ end
0
+
0
+ rule gen_delims
0
+ ":" / "/" / "?" / "#" / "[" / "]" / "@"
0
+ end
0
+
0
+ rule sub_delims
0
+ "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "," / ";" / "="
0
   end
0
 
0
 end
...
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@@ -47,5 +47,28 @@
0
       end
0
     end
0
   end
0
+
0
+ class URI
0
+
0
+ def initialize(tmpl)
0
+ @tmpl, @parser = tmpl, UriTemplateParser.new
0
+ yield self if block_given?
0
+ end
0
+
0
+ def replace(vars = {})
0
+ puts @parser.parse(@tmpl).value(vars)
0
+ end
0
+
0
+ end
0
+
0
 end
0
+
0
+if __FILE__ == $0
0
+ UriTemplate::URI.new(DATA.read) do |u|
0
+ u.replace(:userID => "stefan")
0
+ end
0
+end
0
+
0
+__END__
0
+http://www.google.com/notebook/feeds/{userID}{-prefix|/notebooks/|notebookID}{-opt|/-/|categories}{-listjoin|/|categories}?{-join|&|updated-min,updated-max,alt,start-index,max-results,entryID,orderby}
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1
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...
1209
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1212
1213
1214
0
@@ -1,7 +1,3 @@
0
-# Created by Stefan Saasen.
0
-# Copyright (c) 2008. All rights reserved.
0
-#
0
-# ! This file is generated from
0
 module UriTemplate
0
   include Treetop::Runtime
0
 
0
@@ -21,7 +17,6 @@
0
 
0
   module UriTemplate1
0
     def value(env={})
0
-    #raise more_elements.elements.inspect
0
       uri_element.value(env) << more_elements.elements.map{|el| el.value(env)}.join
0
     end
0
   end
0
@@ -100,11 +95,11 @@
0
 
0
   module Expansion1
0
     def value(env = {})
0
-   if c.respond_to? :value
0
-   c.value(env)
0
-   else
0
-   c.interval.to_s + "<>"
0
-   end
0
+ if c.respond_to? :value
0
+ c.value(env)
0
+ else
0
+ c.interval.to_s + "<>"
0
+ end
0
     end
0
   end
0
 
0
0
@@ -248,31 +243,14 @@
0
   end
0
 
0
   module Op0
0
-   # If one or more of the variables are defined and non-empty then
0
-      # substitute the value of 'arg', otherwise substitute the empty string.
0
-   def exec
0
-   lambda do |env, arg, vars|
0
- ret = ''
0
- vars.split(',').each do |var|
0
-   if !env[var].to_s.blank?
0
-   ret = "#{arg}"
0
-