# File lib/rubygems/source_index.rb, line 66
66:   def self.from_gems_in(*spec_dirs)
67:     new spec_dirs
68:   end

    # File lib/rubygems/source_index.rb, line 45
45:   def self.from_installed_gems(*deprecated)
46:     if deprecated.empty?
47:       from_gems_in(*installed_spec_directories)
48:     else
49:       warn "NOTE: from_installed_gems(arg) is deprecated. From #{caller.first}"
50:       from_gems_in(*deprecated) # HACK warn
51:     end
52:   end

    # File lib/rubygems/source_index.rb, line 57
57:   def self.installed_spec_directories
58:     # TODO: move to Gem::Utils
59:     Gem.path.collect { |dir| File.join(dir, "specifications") }
60:   end

    # File lib/rubygems/source_index.rb, line 74
74:   def self.load_specification(file_name)
75:     Deprecate.skip_during do
76:       Gem::Specification.load file_name
77:     end
78:   end

     # File lib/rubygems/source_index.rb, line 87
 87:   def initialize specs_or_dirs = []
 88:     @gems = {}
 89:     @spec_dirs = nil
 90: 
 91:     case specs_or_dirs
 92:     when Hash then
 93:       warn "NOTE: SourceIndex.new(hash) is deprecated; From #{caller.first}."
 94:       specs_or_dirs.each{ |full_name, spec| add_spec spec }
 95:     when Array, String then
 96:       self.spec_dirs = Array(specs_or_dirs)
 97:       refresh!
 98:     else
 99:       arg = specs_or_dirs.inspect
100:       warn "NOTE: SourceIndex.new(#{arg}) is deprecated; From #{caller.first}."
101:     end
102:   end

     # File lib/rubygems/source_index.rb, line 190
190:   def add_spec(gem_spec, name = gem_spec.full_name)
191:     # No idea why, but the Indexer wants to insert them using original_name
192:     # instead of full_name. So we make it an optional arg.
193:     @gems[name] = gem_spec
194:   end

     # File lib/rubygems/source_index.rb, line 199
199:   def add_specs(*gem_specs)
200:     gem_specs.each do |spec|
201:       add_spec spec
202:     end
203:   end

     # File lib/rubygems/source_index.rb, line 104
104:   def all_gems
105:     @gems
106:   end

     # File lib/rubygems/source_index.rb, line 349
349:   def dump
350:     Marshal.dump(self)
351:   end

     # File lib/rubygems/source_index.rb, line 215
215:   def each(&block) # :yields: gem.full_name, gem
216:     @gems.each(&block)
217:   end

     # File lib/rubygems/source_index.rb, line 253
253:   def find_name(gem_name, requirement = Gem::Requirement.default)
254:     dep = Gem::Dependency.new gem_name, requirement
255:     search dep
256:   end

     # File lib/rubygems/source_index.rb, line 239
239:   def gem_signature(gem_full_name)
240:     require 'digest'
241: 
242:     Digest::SHA256.new.hexdigest(@gems[gem_full_name].to_yaml).to_s
243:   end

     # File lib/rubygems/source_index.rb, line 230
230:   def index_signature
231:     require 'digest'
232: 
233:     Digest::SHA256.new.hexdigest(@gems.keys.sort.join(',')).to_s
234:   end

     # File lib/rubygems/source_index.rb, line 140
140:   def latest_specs(include_prerelease=false)
141:     result = Hash.new { |h,k| h[k] = [] }
142:     latest = {}
143: 
144:     sort.each do |_, spec|
145:       name = spec.name
146:       curr_ver = spec.version
147:       prev_ver = latest.key?(name) ? latest[name].version : nil
148: 
149:       next if !include_prerelease && curr_ver.prerelease?
150:       next unless prev_ver.nil? or curr_ver >= prev_ver or
151:                   latest[name].platform != Gem::Platform::RUBY
152: 
153:       if prev_ver.nil? or
154:          (curr_ver > prev_ver and spec.platform == Gem::Platform::RUBY) then
155:         result[name].clear
156:         latest[name] = spec
157:       end
158: 
159:       if spec.platform != Gem::Platform::RUBY then
160:         result[name].delete_if do |result_spec|
161:           result_spec.platform == spec.platform
162:         end
163:       end
164: 
165:       result[name] << spec
166:     end
167: 
168:     # TODO: why is this a hash while @gems is an array? Seems like
169:     # structural similarity would be good.
170:     result.values.flatten
171:   end

     # File lib/rubygems/source_index.rb, line 119
119:   def load_gems_in(*spec_dirs)
120:     @gems.clear
121: 
122:     spec_dirs.reverse_each do |spec_dir|
123:       spec_files = Dir.glob File.join(spec_dir, '*.gemspec')
124: 
125:       spec_files.each do |spec_file|
126:         gemspec = Deprecate.skip_during do
127:           Gem::Specification.load spec_file
128:         end
129:         add_spec gemspec if gemspec
130:       end
131:     end
132: 
133:     self
134:   end

     # File lib/rubygems/source_index.rb, line 327
327:   def outdated
328:     outdateds = []
329: 
330:     latest_specs.each do |local|
331:       dependency = Gem::Dependency.new local.name, ">= #{local.version}"
332: 
333:       fetcher = Gem::SpecFetcher.fetcher
334:       remotes = fetcher.find_matching dependency
335:       remotes = remotes.map { |(_, version, _), _| version }
336: 
337:       latest = remotes.sort.last
338: 
339:       outdateds << local.name if latest and local.version < latest
340:     end
341: 
342:     outdateds
343:   end

     # File lib/rubygems/source_index.rb, line 108
108:   def prerelease_gems
109:     @gems.reject{ |name, gem| !gem.version.prerelease? }
110:   end

     # File lib/rubygems/source_index.rb, line 176
176:   def prerelease_specs
177:     prerelease_gems.values
178:   end

     # File lib/rubygems/source_index.rb, line 319
319:   def refresh!
320:     raise 'source index not created from disk' if @spec_dirs.nil?
321:     load_gems_in(*@spec_dirs)
322:   end

     # File lib/rubygems/source_index.rb, line 112
112:   def released_gems
113:     @gems.reject{ |name, gem| gem.version.prerelease? }
114:   end

     # File lib/rubygems/source_index.rb, line 183
183:   def released_specs
184:     released_gems.values
185:   end

     # File lib/rubygems/source_index.rb, line 208
208:   def remove_spec(full_name)
209:     @gems.delete full_name
210:   end

     # File lib/rubygems/source_index.rb, line 267
267:   def search(gem_pattern, platform_only = false)
268:     requirement = nil
269:     only_platform = false
270: 
271:     # TODO - Remove support and warning for legacy arguments after 2008/11
272:     unless Gem::Dependency === gem_pattern
273:       warn "#{Gem.location_of_caller.join ':'}:Warning: Gem::SourceIndex#search support for #{gem_pattern.class} patterns is deprecated, use #find_name"
274:     end
275: 
276:     case gem_pattern
277:     when Regexp then
278:       requirement = platform_only || Gem::Requirement.default
279:     when Gem::Dependency then
280:       only_platform = platform_only
281:       requirement = gem_pattern.requirement
282: 
283:       gem_pattern = if Regexp === gem_pattern.name then
284:                       gem_pattern.name
285:                     elsif gem_pattern.name.empty? then
286:                       //
287:                     else
288:                       /^#{Regexp.escape gem_pattern.name}$/
289:                     end
290:     else
291:       requirement = platform_only || Gem::Requirement.default
292:       gem_pattern = /#{gem_pattern}/i
293:     end
294: 
295:     unless Gem::Requirement === requirement then
296:       requirement = Gem::Requirement.create requirement
297:     end
298: 
299:     specs = @gems.values.select do |spec|
300:       spec.name =~ gem_pattern and
301:         requirement.satisfied_by? spec.version
302:     end
303: 
304:     if only_platform then
305:       specs = specs.select do |spec|
306:         Gem::Platform.match spec.platform
307:       end
308:     end
309: 
310:     specs.sort_by { |s| s.sort_obj }
311:   end

     # File lib/rubygems/source_index.rb, line 245
245:   def size
246:     @gems.size
247:   end

     # File lib/rubygems/source_index.rb, line 222
222:   def specification(full_name)
223:     @gems[full_name]
224:   end