Prefer string interpolation to concatenation

[rails.git] / lib / potlatch.rb

diff --git a/lib/potlatch.rb b/lib/potlatch.rb
index 717622762e9a383402ed7135fdfd540f0395bd85..605d69db33d1da9ab971fb33e1144349362848f1 100644 (file)
--- a/lib/potlatch.rb
+++ b/lib/potlatch.rb
@@ -24,7 +24,7 @@ module Potlatch
 
     # Return eight-byte double-precision float
     def self.getdouble(s)
-      a = s.read(8).unpack("G")        # G big-endian, E little-endian
+      a = s.read(8).unpack("G") # G big-endian, E little-endian
       a[0]
     end
 
@@ -38,9 +38,10 @@ module Potlatch
       arr = {}
       while (key = getstring(s))
         break if key == ""
+
         arr[key] = getvalue(s)
       end
-      s.getbyte        # skip the 9 'end of object' value
+      s.getbyte # skip the 9 'end of object' value
       arr
     end
 
@@ -61,7 +62,7 @@ module Potlatch
 
     # Envelope data into AMF writeable form
     def self.putdata(index, n)
-      d = encodestring(index + "/onResult")
+      d = encodestring("#{index}/onResult")
       d += encodestring("null")
       d += [-1].pack("N")
       d += encodevalue(n)
@@ -70,31 +71,31 @@ module Potlatch
 
     # Pack variables as AMF
     def self.encodevalue(n)
-      case n.class.to_s
-      when "Array"
+      case n
+      when Array
         a = 10.chr + encodelong(n.length)
         n.each do |b|
           a += encodevalue(b)
         end
         a
-      when "Hash"
+      when Hash
         a = 3.chr
         n.each do |k, v|
           a += encodestring(k.to_s) + encodevalue(v)
         end
         a + 0.chr + 0.chr + 9.chr
-      when "String"
+      when String
         2.chr + encodestring(n)
-      when "Bignum", "Fixnum", "Float"
+      when Numeric, GeoRecord::Coord
         0.chr + encodedouble(n)
-      when "NilClass"
+      when NilClass
         5.chr
-      when "TrueClass"
+      when TrueClass
         0.chr + encodedouble(1)
-      when "FalseClass"
+      when FalseClass
         0.chr + encodedouble(0)
       else
-        Rails.logger.error("Unexpected Ruby type for AMF conversion: " + n.class.to_s)
+        raise "Unexpected Ruby type for AMF conversion: #{n.class.name}"
       end
     end
 
@@ -107,7 +108,7 @@ module Potlatch
 
     # Encode number as eight-byte double precision float
     def self.encodedouble(n)
-      [n].pack("G")
+      [n.to_f].pack("G")
     end
 
     # Encode number as four-byte long
@@ -119,7 +120,7 @@ module Potlatch
   # The Dispatcher class handles decoding a series of RPC calls
   # from the request, dispatching them, and encoding the response
   class Dispatcher
-    def initialize(request, &_block)
+    def initialize(request, &block)
       # Get stream for request data
       @request = StringIO.new(request + 0.chr)
 
@@ -134,7 +135,7 @@ module Potlatch
       end
 
       # Capture the dispatch routine
-      @dispatch = Proc.new
+      @dispatch = block
     end
 
     def each(&_block)
@@ -143,7 +144,7 @@ module Potlatch
 
       # Output response header
       a, b = bodies.divmod(256)
-      yield 0.chr + 0.chr + 0.chr + 0.chr + a.chr + b.chr
+      yield 0.chr * 4 + a.chr + b.chr
 
       # Process the bodies
       bodies.times do                     # Read each body
@@ -162,11 +163,11 @@ module Potlatch
   # The Potlatch class is a helper for Potlatch
   class Potlatch
     # ----- getpresets
-    #            in:   none
-    #            does: reads tag preset menus, colours, and autocomplete config files
-    #        out:  [0] presets, [1] presetmenus, [2] presetnames,
-    #                          [3] colours, [4] casing, [5] areas, [6] autotags
-    #                          (all hashes)
+    #      in:   none
+    #      does: reads tag preset menus, colours, and autocomplete config files
+    #        out:  [0] presets, [1] presetmenus, [2] presetnames,
+    #        [3] colours, [4] casing, [5] areas, [6] autotags
+    #        (all hashes)
     def self.get_presets
       Rails.logger.info("  Message: getpresets")
 
@@ -176,16 +177,16 @@ module Potlatch
       presetnames = { "point" => {}, "way" => {}, "POI" => {} }
       presettype = ""
       presetcategory = ""
-      #        StringIO.open(txt) do |file|
-      File.open(Rails.root.join("config", "potlatch", "presets.txt")) do |file|
+      #  StringIO.open(txt) do |file|
+      File.open(Rails.root.join("config/potlatch/presets.txt")) do |file|
         file.each_line do |line|
-          t = line.chomp
-          if t =~ %r{(\w+)/(\w+)}
+          case line.chomp
+          when %r{(\w+)/(\w+)}
             presettype = Regexp.last_match(1)
             presetcategory = Regexp.last_match(2)
             presetmenus[presettype].push(presetcategory)
             presetnames[presettype][presetcategory] = ["(no preset)"]
-          elsif t =~ /^([\w\s]+):\s?(.+)$/
+          when /^([\w\s]+):\s?(.+)$/
             pre = Regexp.last_match(1)
             kv = Regexp.last_match(2)
             presetnames[presettype][presetcategory].push(pre)
@@ -201,7 +202,7 @@ module Potlatch
       colours = {}
       casing = {}
       areas = {}
-      File.open(Rails.root.join("config", "potlatch", "colours.txt")) do |file|
+      File.open(Rails.root.join("config/potlatch/colours.txt")) do |file|
         file.each_line do |line|
           next unless line.chomp =~ /(\w+)\s+([^\s]+)\s+([^\s]+)\s+([^\s]+)/
 
@@ -216,7 +217,7 @@ module Potlatch
       relcolours = {}
       relalphas = {}
       relwidths = {}
-      File.open(Rails.root.join("config", "potlatch", "relation_colours.txt")) do |file|
+      File.open(Rails.root.join("config/potlatch/relation_colours.txt")) do |file|
         file.each_line do |line|
           next unless line.chomp =~ /(\w+)\s+([^\s]+)\s+([^\s]+)\s+([^\s]+)/
 
@@ -230,7 +231,7 @@ module Potlatch
       # Read POI presets
       icon_list = []
       icon_tags = {}
-      File.open(Rails.root.join("config", "potlatch", "icon_presets.txt")) do |file|
+      File.open(Rails.root.join("config/potlatch/icon_presets.txt")) do |file|
         file.each_line do |line|
           (icon, tags) = line.chomp.split("\t")
           icon_list.push(icon)
@@ -241,7 +242,7 @@ module Potlatch
 
       # Read auto-complete
       autotags = { "point" => {}, "way" => {}, "POI" => {} }
-      File.open(Rails.root.join("config", "potlatch", "autocomplete.txt")) do |file|
+      File.open(Rails.root.join("config/potlatch/autocomplete.txt")) do |file|
         file.each_line do |line|
           next unless line.chomp =~ %r{^([\w:]+)/(\w+)\s+(.+)$}