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author | Jean Boussier <jean.boussier@gmail.com> | 2019-04-26 13:26:14 +0200 |
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committer | Jean Boussier <jean.boussier@gmail.com> | 2019-04-26 18:28:59 +0200 |
commit | d60a8074ce9b70543a5a8b79cfae87a9ed97b316 (patch) | |
tree | 5811dcc25ea1ef4981004e409c62f99bc7b88c17 | |
parent | f3a37e6bc1c2a98bfc9fafc389ea05622c744af9 (diff) | |
download | psych-d60a8074ce9b70543a5a8b79cfae87a9ed97b316.tar.gz |
Reduce string allocations in scalar_scanner
-rw-r--r-- | .travis.yml | 1 | ||||
-rw-r--r-- | appveyor.yml | 2 | ||||
-rw-r--r-- | lib/psych/scalar_scanner.rb | 32 |
3 files changed, 15 insertions, 20 deletions
diff --git a/.travis.yml b/.travis.yml index 6ad43f6..7f1a80c 100644 --- a/.travis.yml +++ b/.travis.yml @@ -1,5 +1,4 @@ rvm: - - 2.3.8 - 2.4.5 - 2.5.3 - 2.6.0 diff --git a/appveyor.yml b/appveyor.yml index 4df19c9..90ed36c 100644 --- a/appveyor.yml +++ b/appveyor.yml @@ -10,8 +10,6 @@ test_script: deploy: off environment: matrix: - - ruby_version: "23" - - ruby_version: "23-x64" - ruby_version: "24" - ruby_version: "24-x64" - ruby_version: "25" diff --git a/lib/psych/scalar_scanner.rb b/lib/psych/scalar_scanner.rb index 29c156c..f89aa68 100644 --- a/lib/psych/scalar_scanner.rb +++ b/lib/psych/scalar_scanner.rb @@ -34,68 +34,66 @@ module Psych return string if @string_cache.key?(string) return @symbol_cache[string] if @symbol_cache.key?(string) - case string # Check for a String type, being careful not to get caught by hash keys, hex values, and # special floats (e.g., -.inf). - when /^[^\d\.:-]?[A-Za-z_\s!@#\$%\^&\*\(\)\{\}\<\>\|\/\\~;=]+/, /\n/ + if string.match?(/^[^\d\.:-]?[A-Za-z_\s!@#\$%\^&\*\(\)\{\}\<\>\|\/\\~;=]+/) || string.match?(/\n/) if string.length > 5 @string_cache[string] = true return string end - case string - when /^[^ytonf~]/i + if string.match?(/^[^ytonf~]/i) @string_cache[string] = true string - when '~', /^null$/i + elsif string == '~' || string.match?(/^null$/i) nil - when /^(yes|true|on)$/i + elsif string.match?(/^(yes|true|on)$/i) true - when /^(no|false|off)$/i + elsif string.match?(/^(no|false|off)$/i) false else @string_cache[string] = true string end - when TIME + elsif string.match?(TIME) begin parse_time string rescue ArgumentError string end - when /^\d{4}-(?:1[012]|0\d|\d)-(?:[12]\d|3[01]|0\d|\d)$/ + elsif string.match?(/^\d{4}-(?:1[012]|0\d|\d)-(?:[12]\d|3[01]|0\d|\d)$/) require 'date' begin class_loader.date.strptime(string, '%Y-%m-%d') rescue ArgumentError string end - when /^\.inf$/i + elsif string.match?(/^\.inf$/i) Float::INFINITY - when /^-\.inf$/i + elsif string.match?(/^-\.inf$/i) -Float::INFINITY - when /^\.nan$/i + elsif string.match?(/^\.nan$/i) Float::NAN - when /^:./ + elsif string.match?(/^:./) if string =~ /^:(["'])(.*)\1/ @symbol_cache[string] = class_loader.symbolize($2.sub(/^:/, '')) else @symbol_cache[string] = class_loader.symbolize(string.sub(/^:/, '')) end - when /^[-+]?[0-9][0-9_]*(:[0-5]?[0-9]){1,2}$/ + elsif string.match?(/^[-+]?[0-9][0-9_]*(:[0-5]?[0-9]){1,2}$/) i = 0 string.split(':').each_with_index do |n,e| i += (n.to_i * 60 ** (e - 2).abs) end i - when /^[-+]?[0-9][0-9_]*(:[0-5]?[0-9]){1,2}\.[0-9_]*$/ + elsif string.match?(/^[-+]?[0-9][0-9_]*(:[0-5]?[0-9]){1,2}\.[0-9_]*$/) i = 0 string.split(':').each_with_index do |n,e| i += (n.to_f * 60 ** (e - 2).abs) end i - when FLOAT - if string =~ /\A[-+]?\.\Z/ + elsif string.match?(FLOAT) + if string.match?(/\A[-+]?\.\Z/) @string_cache[string] = true string else |