X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/ef7f3d800cbdd49b692df10d312e5fd880e2e938..de3ddafcd23753fd8055b03ecfe1cc4b11aacf83:/lib/potlatch.rb

diff --git a/lib/potlatch.rb b/lib/potlatch.rb
index 29cc93430..3e4ddfaf3 100644
--- a/lib/potlatch.rb
+++ b/lib/potlatch.rb
@@ -1,4 +1,4 @@
-require 'stringio'
+require "stringio"
 
 # The Potlatch module provides helper functions for potlatch and its communication with the server
 module Potlatch
@@ -24,44 +24,39 @@ 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
 
     # Return numeric array
     def self.getarray(s)
-      len = getlong(s)
-      arr = []
-      for i in (0..len - 1)
-        arr[i] = getvalue(s)
-      end
-      arr
+      Array.new(getlong(s)) { getvalue(s) }
     end
 
     # Return object/hash
     def self.getobject(s)
       arr = {}
       while (key = getstring(s))
-        if (key == '') then break end
+        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
 
     # Parse and get value
     def self.getvalue(s)
       case s.getbyte
-      when 0 then	return getdouble(s)			# number
-      when 1 then	return s.getbyte			# boolean
-      when 2 then	return getstring(s)			# string
-      when 3 then	return getobject(s)			# object/hash
-      when 5 then	return nil				# null
-      when 6 then	return nil				# undefined
-      when 8 then	s.read(4)				# mixedArray
-                  return getobject(s)			#  |
-      when 10 then  return getarray(s)			# array
-      else;	return nil				# error
+      when 0 then getdouble(s)                  # number
+      when 1 then s.getbyte                     # boolean
+      when 2 then getstring(s)                  # string
+      when 3 then getobject(s)                  # object/hash
+      when 5 then nil                           # null
+      when 6 then nil                           # undefined
+      when 8 then s.read(4) # mixedArray
+                  getobject(s)                  #  |
+      when 10 then getarray(s)                  # array
       end
     end
 
@@ -71,35 +66,36 @@ module Potlatch
       d += encodestring("null")
       d += [-1].pack("N")
       d += encodevalue(n)
+      d
     end
 
     # 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'
-      0.chr + encodedouble(1)
-    when 'FalseClass'
-      0.chr + encodedouble(0)
-    else
-      Rails.logger.error("Unexpected Ruby type for AMF conversion: " + n.class.to_s)
+      when TrueClass
+        0.chr + encodedouble(1)
+      when FalseClass
+        0.chr + encodedouble(0)
+      else
+        raise "Unexpected Ruby type for AMF conversion: #{n.class.name}"
       end
     end
 
@@ -112,19 +108,19 @@ 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
     def self.encodelong(n)
-      [n].pack('N')
+      [n].pack("N")
     end
   end
 
   # 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)
 
@@ -139,7 +135,7 @@ module Potlatch
       end
 
       # Capture the dispatch routine
-      @dispatch = Proc.new
+      @dispatch = block
     end
 
     def each(&_block)
@@ -154,7 +150,7 @@ module Potlatch
       bodies.times do                     # Read each body
         name = AMF.getstring(@request)    #  | get message name
         index = AMF.getstring(@request)   #  | get index in response sequence
-        bytes = AMF.getlong(@request)     #  | get total size in bytes
+        AMF.getlong(@request)             #  | get total size in bytes
         args = AMF.getvalue(@request)     #  | get response (probably an array)
 
         result = @dispatch.call(name, *args)
@@ -167,72 +163,76 @@ 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")
 
       # Read preset menus
       presets = {}
-      presetmenus = {}; presetmenus['point'] = []; presetmenus['way'] = []; presetmenus['POI'] = []
-      presetnames = {}; presetnames['point'] = {}; presetnames['way'] = {}; presetnames['POI'] = {}
-      presettype = ''
-      presetcategory = ''
-      #	StringIO.open(txt) do |file|
-      File.open("#{Rails.root}/config/potlatch/presets.txt") do |file|
-        file.each_line do|line|
+      presetmenus = { "point" => [], "way" => [], "POI" => [] }
+      presetnames = { "point" => {}, "way" => {}, "POI" => {} }
+      presettype = ""
+      presetcategory = ""
+      #  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 =~ /(\w+)\/(\w+)/
-            presettype = $1
-            presetcategory = $2
+          if t =~ %r{(\w+)/(\w+)}
+            presettype = Regexp.last_match(1)
+            presetcategory = Regexp.last_match(2)
             presetmenus[presettype].push(presetcategory)
             presetnames[presettype][presetcategory] = ["(no preset)"]
           elsif t =~ /^([\w\s]+):\s?(.+)$/
-            pre = $1; kv = $2
+            pre = Regexp.last_match(1)
+            kv = Regexp.last_match(2)
             presetnames[presettype][presetcategory].push(pre)
             presets[pre] = {}
-            kv.split(',').each do|a|
-              if a =~ /^(.+)=(.*)$/ then presets[pre][$1] = $2 end
+            kv.split(",").each do |a|
+              presets[pre][Regexp.last_match(1)] = Regexp.last_match(2) if a =~ /^(.+)=(.*)$/
             end
           end
         end
       end
 
       # Read colours/styling
-      colours = {}; casing = {}; areas = {}
-      File.open("#{Rails.root}/config/potlatch/colours.txt") do |file|
-        file.each_line do|line|
-          t = line.chomp
-          if t =~ /(\w+)\s+([^\s]+)\s+([^\s]+)\s+([^\s]+)/
-            tag = $1
-            if ($2 != '-') then colours[tag] = $2.hex end
-            if ($3 != '-') then casing[tag] = $3.hex end
-            if ($4 != '-') then areas[tag] = $4.hex end
-          end
+      colours = {}
+      casing = {}
+      areas = {}
+      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]+)/
+
+          tag = Regexp.last_match(1)
+          colours[tag] = Regexp.last_match(2).hex if Regexp.last_match(2) != "-"
+          casing[tag] = Regexp.last_match(3).hex if Regexp.last_match(3) != "-"
+          areas[tag] = Regexp.last_match(4).hex if Regexp.last_match(4) != "-"
         end
       end
 
       # Read relations colours/styling
-      relcolours = {}; relalphas = {}; relwidths = {}
-      File.open("#{Rails.root}/config/potlatch/relation_colours.txt") do |file|
-        file.each_line do|line|
-          t = line.chomp
-          if t =~ /(\w+)\s+([^\s]+)\s+([^\s]+)\s+([^\s]+)/
-            tag = $1
-            if ($2 != '-') then relcolours[tag] = $2.hex end
-            if ($3 != '-') then relalphas[tag] = $3.to_i end
-            if ($4 != '-') then relwidths[tag] = $4.to_i end
-          end
+      relcolours = {}
+      relalphas = {}
+      relwidths = {}
+      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]+)/
+
+          tag = Regexp.last_match(1)
+          relcolours[tag] = Regexp.last_match(2).hex if Regexp.last_match(2) != "-"
+          relalphas[tag] = Regexp.last_match(3).to_i if Regexp.last_match(3) != "-"
+          relwidths[tag] = Regexp.last_match(4).to_i if Regexp.last_match(4) != "-"
         end
       end
 
       # Read POI presets
-      icon_list = []; icon_tags = {}
-      File.open("#{Rails.root}/config/potlatch/icon_presets.txt") do |file|
-        file.each_line do|line|
+      icon_list = []
+      icon_tags = {}
+      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)
           icon_tags[icon] = Hash[*tags.scan(/([^;=]+)=([^;=]+)/).flatten]
@@ -241,15 +241,19 @@ module Potlatch
       icon_list.reverse!
 
       # Read auto-complete
-      autotags = {}; autotags['point'] = {}; autotags['way'] = {}; autotags['POI'] = {}
-      File.open("#{Rails.root}/config/potlatch/autocomplete.txt") do |file|
-        file.each_line do|line|
-          t = line.chomp
-          if t =~ /^([\w:]+)\/(\w+)\s+(.+)$/
-            tag = $1; type = $2; values = $3
-            if values == '-' then autotags[type][tag] = []
-            else autotags[type][tag] = values.split(',').sort.reverse end
-          end
+      autotags = { "point" => {}, "way" => {}, "POI" => {} }
+      File.open(Rails.root.join("config/potlatch/autocomplete.txt")) do |file|
+        file.each_line do |line|
+          next unless line.chomp =~ %r{^([\w:]+)/(\w+)\s+(.+)$}
+
+          tag = Regexp.last_match(1)
+          type = Regexp.last_match(2)
+          values = Regexp.last_match(3)
+          autotags[type][tag] = if values == "-"
+                                  []
+                                else
+                                  values.split(",").sort.reverse
+                                end
         end
       end