Module: WorldDb::Matcher

Included in:
ReaderBase
Defined in:
lib/worlddb/matcher.rb

Instance Method Summary collapse

Instance Method Details

#match_cities_for_country(name, &blk) ⇒ Object 



91
92
93
94
95
96
97
 
# File 'lib/worlddb/matcher.rb', line 91

def match_cities_for_country( name, &blk )
  ## todo: check if there's a better (more ruby way) to pass along code block ??
  ## e.g. try
  ##   match_xxx_for_country( name, 'cities') { |country_key| yield(country_key) }

  match_xxx_for_country( name, 'cities', &blk )
end

#match_countries_for_continent(name) ⇒ Object 



128
129
130
131
132
133
134
135
136
137
138
139
 
# File 'lib/worlddb/matcher.rb', line 128

def match_countries_for_continent( name )
  if name =~ /^([a-z][a-z\-_]+[a-z])\/countries/     # e.g. africa/countries or america/countries
    ### NB: continent changed to regions (e.g. middle-east, caribbean, north-america, etc.)
    ## auto-add continent (from folder structure) as tag
    ## fix: allow dash/hyphen/minus in tag
    continent = $1.dup
    yield( continent )
    true
  else
    false # no match found
  end
end

#match_regions_abbr_for_country(name, &blk) ⇒ Object

NB: . gets escaped for regex, that is, .



106
107
108
109
110
111
 
# File 'lib/worlddb/matcher.rb', line 106

def match_regions_abbr_for_country( name, &blk )  # NB: . gets escaped for regex, that is, \.
  ## also try synonyms e.g. old regions (if not match for states)
  found = match_xxx_for_country( name, 'states\.abbr', &blk )
  found = match_xxx_for_country( name, 'regions\.abbr', &blk ) unless found
  found
end

#match_regions_for_country(name, &blk) ⇒ Object 



99
100
101
102
103
104
 
# File 'lib/worlddb/matcher.rb', line 99

def match_regions_for_country( name, &blk )
  ## also try synonyms e.g. old regions (if not match for states)
  found = match_xxx_for_country( name, 'states', &blk )
  found = match_xxx_for_country( name, 'regions', &blk ) unless found
  found
end

#match_regions_iso_for_country(name, &blk) ⇒ Object

NB: . gets escaped for regex, that is, .



113
114
115
116
117
118
 
# File 'lib/worlddb/matcher.rb', line 113

def match_regions_iso_for_country( name, &blk )  # NB: . gets escaped for regex, that is, \.
  ## also try synonyms e.g. old regions (if not match for states)
  found = match_xxx_for_country( name, 'states\.iso', &blk )
  found = match_xxx_for_country( name, 'regions\.iso', &blk ) unless found
  found 
end

#match_regions_nuts_for_country(name, &blk) ⇒ Object

NB: . gets escaped for regex, that is, .



120
121
122
123
124
125
 
# File 'lib/worlddb/matcher.rb', line 120

def match_regions_nuts_for_country( name, &blk )  # NB: . gets escaped for regex, that is, \.
  ## also try synonyms e.g. old regions (if not match for states)
  found = match_xxx_for_country( name, 'states\.nuts', &blk )
  found = match_xxx_for_country( name, 'regions\.nuts', &blk ) unless found
  found
end

#match_xxx_for_country(name, xxx) ⇒ Object

xxx e.g. cities|regions|beers|breweries



7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
 
# File 'lib/worlddb/matcher.rb', line 7

def match_xxx_for_country( name, xxx )  # xxx e.g. cities|regions|beers|breweries
  #      auto-add required country code (from folder structure)
  #  note: always let match_xxx_for_country_n_region go first

  # note: allow  /cities and /1--hokkaido--cities
  xxx_pattern = "(?:#{xxx}|[0-9]+--[^\\/]+?--#{xxx})"    # note: double escape \\ required for backslash

  ##
  ## todo: add $-anchor at the end of pattern - why? why not?? (will include .txt or .yaml??)

  if name =~ /(?:^|\/)([a-z]{2,3})-[^\/]+\/#{xxx_pattern}/         ||    # (1)
     name =~ /(?:^|\/)[0-9]+--([a-z]{2,3})-[^\/]+\/#{xxx_pattern}/ ||    # (2)
     name =~ /(?:^|\/)([a-z]{2,3})\/#{xxx_pattern}/                ||    # (3)
     name =~ /(?:^|\/)([a-z]{2,3})-[^\/]+\/[0-9]+--[^\/]+\/#{xxx_pattern}/ ||   # (4)
     name =~ /(?:^|\/)([a-z]{2,3})-[^\/]+--#{xxx}/    # (5)

    country_key = $1.dup
    yield( country_key )
    true # bingo - match found
    
    ######
    # (1)  new style: e.g. /at-austria/beers or ^at-austria!/cities
    #
    # (2)  new-new style e.g. /1--at-austria--central/cities
    #
    # (3)  classic style: e.g. /at/beers (europe/at/cities)
    #
    # (4) new style w/ region w/o abbrev/code e.g. /ja-japon/1--hokkaido/cities
    #
    # (5)  compact style (country part of filename):
    #   e.g. /at-austria--cities or /europe/at-austria--cities
  else
    false # no match found
  end
end

#match_xxx_for_country_n_region(name, xxx) ⇒ Object

xxx e.g. wine|wineries



44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
 
# File 'lib/worlddb/matcher.rb', line 44

def match_xxx_for_country_n_region( name, xxx ) # xxx e.g. wine|wineries

  # auto-add required country n region code (from folder structure)

  ## -- allow opt_folders after long regions (e.g. additional subregion/zone)
  ## -- allow anything (prefixes) before -- for xxx
  #       e.g.  at-austria!/1--n-niederoesterreich--eastern/wagram--wines
  #             at-austria!/1--n-niederoesterreich--eastern/wagram--wagram--wines

  # note: allow  /cities and /1--hokkaido--cities and /hokkaido--cities too
  xxx_pattern = "(?:#{xxx}|[^\\/]+--#{xxx})"    # note: double escape \\ required for backslash
  
  ## allow optional folders -- TODO: add restriction ?? e.g. must be 4+ alphas ???
  opt_folders_pattern = "(?:\/[^\/]+)*"
  ## note: for now only (style #2) n (style #3)  that is long region allow opt folders

  if name =~ /(?:^|\/)([a-z]{2,3})-[^\/]+\/([a-z]{1,3})-[^\/]+\/#{xxx_pattern}/  ||                # (1)
     name =~ /(?:^|\/)[0-9]+--([a-z]{2,3})-[^\/]+\/[0-9]+--([a-z]{1,3})-[^\/]+#{opt_folders_pattern}\/#{xxx_pattern}/ || # (2)
     name =~ /(?:^|\/)([a-z]{2,3})-[^\/]+\/[0-9]+--([a-z]{1,3})-[^\/]+#{opt_folders_pattern}\/#{xxx_pattern}/         || # (3)
     name =~ /(?:^|\/)[0-9]+--([a-z]{2,3})-[^\/]+\/([a-z]{1,3})-[^\/]+\/#{xxx_pattern}/            # (4)

    #######
    # nb: country must start name (^) or coming after / e.g. europe/at-austria/...
    # (1)
    # new style: e.g.  /at-austria/w-wien/cities or
    #                  ^at-austria!/w-wien/cities
    # (2)
    # new new style e.g.  /1--at-austria--central/1--w-wien--eastern/cities
    #
    # (3)
    #  new new mixed style e.g.  /at-austria/1--w-wien--eastern/cities
    #      "classic" country plus new new region
    #
    # (4)
    #  new new mixed style e.g.  /1--at-austria--central/w-wien/cities
    #      new new country plus "classic" region

    country_key = $1.dup
    region_key  = $2.dup
    yield( country_key, region_key )
    true # bingo - match found
  else
    false # no match found
  end
end