Fix most auto-correctable rubocop issues
[rails.git] / lib / potlatch.rb
index bd2c905..29cc934 100644 (file)
@@ -2,50 +2,48 @@ require 'stringio'
 
 # The Potlatch module provides helper functions for potlatch and its communication with the server
 module Potlatch
-
   # The AMF class is a set of helper functions for encoding and decoding AMF.
   class AMF
-
     # Return two-byte integer
     def self.getint(s)
-      s.getbyte*256+s.getbyte
+      s.getbyte * 256 + s.getbyte
     end
 
     # Return four-byte long
     def self.getlong(s)
-      ((s.getbyte*256+s.getbyte)*256+s.getbyte)*256+s.getbyte
+      ((s.getbyte * 256 + s.getbyte) * 256 + s.getbyte) * 256 + s.getbyte
     end
 
     # Return string with two-byte length
     def self.getstring(s)
-      len=s.getbyte*256+s.getbyte
-      str=s.read(len)
+      len = s.getbyte * 256 + s.getbyte
+      str = s.read(len)
       str.force_encoding("UTF-8") if str.respond_to?("force_encoding")
       str
     end
 
     # 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)
+      len = getlong(s)
+      arr = []
+      for i in (0..len - 1)
+        arr[i] = getvalue(s)
       end
       arr
     end
 
     # Return object/hash
     def self.getobject(s)
-      arr={}
-      while (key=getstring(s))
-        if (key=='') then break end
-        arr[key]=getvalue(s)
+      arr = {}
+      while (key = getstring(s))
+        if (key == '') then break end
+        arr[key] = getvalue(s)
       end
       s.getbyte                # skip the 9 'end of object' value
       arr
@@ -54,62 +52,62 @@ module Potlatch
     # Parse and get value
     def self.getvalue(s)
       case s.getbyte
-      when 0;  return getdouble(s)                     # number
-      when 1;  return s.getbyte                        # boolean
-      when 2;  return getstring(s)                     # string
-      when 3;  return getobject(s)                     # object/hash
-      when 5;  return nil                              # null
-      when 6;  return nil                              # undefined
-      when 8;  s.read(4)                               # mixedArray
-                return getobject(s)                    #  |
-      when 10;  return getarray(s)                     # array
+      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
       end
     end
 
     # Envelope data into AMF writeable form
-    def self.putdata(index,n)
-      d =encodestring(index+"/onResult")
-      d+=encodestring("null")
-      d+=[-1].pack("N")
-      d+=encodevalue(n)
+    def self.putdata(index, n)
+      d = encodestring(index + "/onResult")
+      d += encodestring("null")
+      d += [-1].pack("N")
+      d += encodevalue(n)
     end
 
     # Pack variables as AMF
     def self.encodevalue(n)
       case n.class.to_s
       when 'Array'
-        a=10.chr+encodelong(n.length)
+        a = 10.chr + encodelong(n.length)
         n.each do |b|
-          a+=encodevalue(b)
+          a += encodevalue(b)
         end
         a
       when 'Hash'
-        a=3.chr
-        n.each do |k,v|
-          a+=encodestring(k.to_s)+encodevalue(v)
+        a = 3.chr
+        n.each do |k, v|
+          a += encodestring(k.to_s) + encodevalue(v)
         end
-        a+0.chr+0.chr+9.chr
+        a + 0.chr + 0.chr + 9.chr
       when 'String'
-        2.chr+encodestring(n)
-      when 'Bignum','Fixnum','Float'
-        0.chr+encodedouble(n)
+        2.chr + encodestring(n)
+      when 'Bignum', 'Fixnum', 'Float'
+        0.chr + encodedouble(n)
       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
+      Rails.logger.error("Unexpected Ruby type for AMF conversion: " + n.class.to_s)
       end
     end
 
     # Encode string with two-byte length
     def self.encodestring(n)
-      n=n.dup.force_encoding("ASCII-8BIT") if n.respond_to?("force_encoding")
-      a,b=n.size.divmod(256)
-      a.chr+b.chr+n
+      n = n.dup.force_encoding("ASCII-8BIT") if n.respond_to?("force_encoding")
+      a, b = n.size.divmod(256)
+      a.chr + b.chr + n
     end
 
     # Encode number as eight-byte double precision float
@@ -121,13 +119,12 @@ module Potlatch
     def self.encodelong(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)
 
@@ -145,12 +142,12 @@ module Potlatch
       @dispatch = Proc.new
     end
 
-    def each(&block)
+    def each(&_block)
       # Read number of message bodies
       bodies = AMF.getint(@request)
 
       # Output response header
-      a,b = bodies.divmod(256)
+      a, b = bodies.divmod(256)
       yield 0.chr + 0.chr + 0.chr + 0.chr + a.chr + b.chr
 
       # Process the bodies
@@ -169,7 +166,6 @@ 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
@@ -180,85 +176,84 @@ module Potlatch
       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=''
+      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 {|line|
-          t=line.chomp
-          if (t=~/(\w+)\/(\w+)/) then
-            presettype=$1
-            presetcategory=$2
+        file.each_line do|line|
+          t = line.chomp
+          if t =~ /(\w+)\/(\w+)/
+            presettype = $1
+            presetcategory = $2
             presetmenus[presettype].push(presetcategory)
-            presetnames[presettype][presetcategory]=["(no preset)"]
-          elsif (t=~/^([\w\s]+):\s?(.+)$/) then
-            pre=$1; kv=$2
+            presetnames[presettype][presetcategory] = ["(no preset)"]
+          elsif t =~ /^([\w\s]+):\s?(.+)$/
+            pre = $1; kv = $2
             presetnames[presettype][presetcategory].push(pre)
-            presets[pre]={}
-            kv.split(',').each {|a|
-              if (a=~/^(.+)=(.*)$/) then presets[pre][$1]=$2 end
-            }
+            presets[pre] = {}
+            kv.split(',').each do|a|
+              if a =~ /^(.+)=(.*)$/ then presets[pre][$1] = $2 end
+            end
           end
-        }
+        end
       end
 
       # Read colours/styling
-      colours={}; casing={}; areas={}
+      colours = {}; casing = {}; areas = {}
       File.open("#{Rails.root}/config/potlatch/colours.txt") do |file|
-        file.each_line {|line|
-          t=line.chomp
-          if (t=~/(\w+)\s+([^\s]+)\s+([^\s]+)\s+([^\s]+)/) then
-            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
+        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
-        }
+        end
       end
 
       # Read relations colours/styling
-      relcolours={}; relalphas={}; relwidths={}
+      relcolours = {}; relalphas = {}; relwidths = {}
       File.open("#{Rails.root}/config/potlatch/relation_colours.txt") do |file|
-        file.each_line {|line|
-          t=line.chomp
-          if (t=~/(\w+)\s+([^\s]+)\s+([^\s]+)\s+([^\s]+)/) then
-            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
+        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
-        }
+        end
       end
 
       # Read POI presets
-      icon_list=[]; icon_tags={};
+      icon_list = []; icon_tags = {}
       File.open("#{Rails.root}/config/potlatch/icon_presets.txt") do |file|
-        file.each_line {|line|
-          (icon,tags)=line.chomp.split("\t")
+        file.each_line do|line|
+          (icon, tags) = line.chomp.split("\t")
           icon_list.push(icon)
-          icon_tags[icon]=Hash[*tags.scan(/([^;=]+)=([^;=]+)/).flatten]
-        }
+          icon_tags[icon] = Hash[*tags.scan(/([^;=]+)=([^;=]+)/).flatten]
+        end
       end
       icon_list.reverse!
 
       # Read auto-complete
-      autotags={}; autotags['point']={}; autotags['way']={}; autotags['POI']={};
+      autotags = {}; autotags['point'] = {}; autotags['way'] = {}; autotags['POI'] = {}
       File.open("#{Rails.root}/config/potlatch/autocomplete.txt") do |file|
-        file.each_line {|line|
-          t=line.chomp
-          if (t=~/^([\w:]+)\/(\w+)\s+(.+)$/) then
-            tag=$1; type=$2; values=$3
-            if values=='-' then autotags[type][tag]=[]
-            else autotags[type][tag]=values.split(',').sort.reverse end
+        file.each_line do|line|
+          t = line.chomp
+          if t =~ /^([\w:]+)\/(\w+)\s+(.+)$/
+            tag = $1; type = $2; values = $3
+            if values == '-' then autotags[type][tag] = []
+            else autotags[type][tag] = values.split(',').sort.reverse end
           end
-        }
+        end
       end
 
-      [presets,presetmenus,presetnames,colours,casing,areas,autotags,relcolours,relalphas,relwidths,icon_list,{},icon_tags]
+      [presets, presetmenus, presetnames, colours, casing, areas, autotags, relcolours, relalphas, relwidths, icon_list, {}, icon_tags]
     end
   end
-
 end