+++ /dev/null
-# 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.getc*256+s.getc
- end
-
- # Return four-byte long
- def self.getlong(s)
- ((s.getc*256+s.getc)*256+s.getc)*256+s.getc
- end
-
- # Return string with two-byte length
- def self.getstring(s)
- len=s.getc*256+s.getc
- s.read(len)
- end
-
- # Return eight-byte double-precision float
- def self.getdouble(s)
- 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
- end
-
- # Return object/hash
- def self.getobject(s)
- arr={}
- while (key=getstring(s))
- if (key=='') then break end
- arr[key]=getvalue(s)
- end
- s.getc # skip the 9 'end of object' value
- arr
- end
-
- # Parse and get value
- def self.getvalue(s)
- case s.getc
- when 0; return getdouble(s) # number
- when 1; return s.getc # 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
- 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)
- end
-
- # Pack variables as AMF
- def self.encodevalue(n)
- case n.class.to_s
- when 'Array'
- a=10.chr+encodelong(n.length)
- n.each do |b|
- a+=encodevalue(b)
- end
- a
- 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'
- 2.chr+encodestring(n)
- when 'Bignum','Fixnum','Float'
- 0.chr+encodedouble(n)
- when 'NilClass'
- 5.chr
- else
- RAILS_DEFAULT_LOGGER.error("Unexpected Ruby type for AMF conversion: "+n.class.to_s)
- end
- end
-
- # Encode string with two-byte length
- def self.encodestring(n)
- a,b=n.size.divmod(256)
- a.chr+b.chr+n
- end
-
- # Encode number as eight-byte double precision float
- def self.encodedouble(n)
- [n].pack('G')
- end
-
- # Encode number as four-byte long
- def self.encodelong(n)
- [n].pack('N')
- end
-
- end
-
-
- # 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)
- def self.get_presets
- RAILS_DEFAULT_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 {|line|
- t=line.chomp
- if (t=~/(\w+)\/(\w+)/) then
- presettype=$1
- presetcategory=$2
- presetmenus[presettype].push(presetcategory)
- presetnames[presettype][presetcategory]=["(no preset)"]
- elsif (t=~/^(.+):\s?(.+)$/) then
- pre=$1; kv=$2
- presetnames[presettype][presetcategory].push(pre)
- presets[pre]={}
- kv.split(',').each {|a|
- if (a=~/^(.+)=(.*)$/) then presets[pre][$1]=$2 end
- }
- end
- }
- end
-
- # Read colours/styling
- 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
- end
- }
- end
-
- # Read relations colours/styling
- 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]=$4.to_i end
- end
- }
- end
-
- # Read auto-complete
- autotags={}; autotags['point']={}; autotags['way']={}; autotags['POI']={};
- File.open("#{RAILS_ROOT}/config/potlatch/autocomplete.txt") do |file|
- file.each_line {|line|
- t=line.chomp
- if (t=~/^(\w+)\/(\w+)\s+(.+)$/) then
- tag=$1; type=$2; values=$3
- if values=='-' then autotags[type][tag]=[]
- else autotags[type][tag]=values.split(',').sort.reverse end
- end
- }
- end
-
- # Read internationalisation
- localised = YAML::load(File.open("#{RAILS_ROOT}/config/potlatch/localised.yaml"))
-
- [presets,presetmenus,presetnames,colours,casing,areas,autotags,relcolours,relalphas,relwidths,localised]
- end
- end
-
-end
-
projects / rails.git / blobdiff