Class: String
- Inherits:
-
Object
- Object
- String
- Defined in:
- lib/string_tools/core_ext/string.rb
Constant Summary collapse
- ANSI_CLEAR =
Embed in a String to clear all previous ANSI sequences.
"\e[0m"
- ANSI_BOLD =
"\e[1m"
- ANSI_UNDERLINE =
"\e[4m"
- BLACK =
Colors
"\e[30m"
- RED =
"\e[31m"
- GREEN =
"\e[32m"
- YELLOW =
"\e[33m"
- BLUE =
"\e[34m"
- MAGENTA =
"\e[35m"
- CYAN =
"\e[36m"
- WHITE =
"\e[37m"
Class Method Summary collapse
Instance Method Summary collapse
-
#bold ⇒ Object
Synopsys Make text bolder (for ASCII terminals).
-
#colorize(color, bold_or_options = nil) ⇒ Object
Synopsys Colorize string (for terminals) Does not work with sprintf yet.
-
#detect_encoding ⇒ Object
shorthand.
- #mb_downcase ⇒ Object
- #naturalized ⇒ Object
-
#remove_colors ⇒ Object
Synopsys remove colors from colorized string.
-
#strip_tags ⇒ Object
возвращает строку из которой удалены HTML-теги символы <>&“ остаются без изменения.
- #to_b ⇒ Object
- #to_cp1251 ⇒ Object
- #to_cp1251! ⇒ Object
-
#to_f_with_strip_comma ⇒ Object
‘11,3’.to_f => 11.3.
-
#to_punycode ⇒ Object
Выполняет преобразование строки в punycode.
- #to_script_safe_json ⇒ Object
- #to_utf8 ⇒ Object
- #to_utf8! ⇒ Object
-
#underline ⇒ Object
Synopsys Make text underlined (for ASCII terminals).
Class Method Details
.natcmp(str1, str2) ⇒ Object
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 |
# File 'lib/string_tools/core_ext/string.rb', line 45 def self.natcmp(str1, str2) str1, str2 = str1.dup, str2.dup compare_expression = /^(\D*)((?:\d+(?:\.\d+)?)*)(.*)$/ # Remove all whitespace str1.gsub!(/\s*/, '') str2.gsub!(/\s*/, '') while (str1.length > 0) or (str2.length > 0) # Extract non-digits, digits and rest of string str1 =~ compare_expression chars1, num1, str1 = $1.dup, $2.dup, $3.dup str2 =~ compare_expression chars2, num2, str2 = $1.dup, $2.dup, $3.dup # Compare the non-digits case (chars1 <=> chars2) when 0 # Non-digits are the same, compare the digits... # If either number begins with a zero, then compare alphabetically, # otherwise compare numerically if !(num1[0] == 48 && num1[1] != 46) and !(num2[0] == 48 && num2[1] != 46) num1, num2 = num1.to_f, num2.to_f end case (num1 <=> num2) when -1 then return -1 when 1 then return 1 end when -1 then return -1 when 1 then return 1 end # case end # while # Strings are naturally equal 0 end |
Instance Method Details
#bold ⇒ Object
Synopsys
Make text bolder (for ASCII terminals)
137 138 139 |
# File 'lib/string_tools/core_ext/string.rb', line 137 def bold surround_with_ansi(ANSI_BOLD) end |
#colorize(color, bold_or_options = nil) ⇒ Object
Synopsys
Colorize string (for terminals)
Does not work with sprintf yet
Usage
"ln -s".colorize(:red)
Args
+color+ - symbol, one of the following (black, white, red, green, yellow, blue, magenta, cyan)
+bold_or_options+ - True/False or Hash
114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 |
# File 'lib/string_tools/core_ext/string.rb', line 114 def colorize(color, = nil) is_bold = .is_a?(TrueClass) is_underline = false if .is_a?(Hash) is_bold ||= [:bold] is_underline = [:underline] end raise ArgumentError('Color must be a symbol') unless color.is_a?(Symbol) color_const = color.to_s.upcase.to_sym raise ArgumentError('Unknown color') unless self.class.const_defined?(color_const) ascii_color = self.class.const_get(color_const) s = surround_with_ansi(ascii_color) s = s.bold if is_bold s = s.underline if is_underline s end |
#detect_encoding ⇒ Object
shorthand
160 161 162 163 164 |
# File 'lib/string_tools/core_ext/string.rb', line 160 def detect_encoding e = ::CharDet.detect(self)["encoding"] e = 'windows-1251' if StringTools.cp1251_compatible_encodings.include?(e) e end |
#mb_downcase ⇒ Object
198 199 200 201 202 203 204 205 |
# File 'lib/string_tools/core_ext/string.rb', line 198 def mb_downcase # https://github.com/rails/rails/commit/393e19e508a08ede0f5037bccb984e3eb252d579 if ActiveSupport::VERSION::STRING >= '4.0.0' && ActiveSupport::VERSION::STRING <= '4.2.0' ActiveSupport::Multibyte::Unicode.send(:database).codepoints end mb_chars.downcase.to_s end |
#naturalized ⇒ Object
41 42 43 |
# File 'lib/string_tools/core_ext/string.rb', line 41 def naturalized scan(/[^\d\.]+|[\d\.]+/).map{|f| f.match(/^\d+(\.\d+)?$/) ? f.to_f : f } end |
#remove_colors ⇒ Object
Synopsys
remove colors from colorized string
149 150 151 |
# File 'lib/string_tools/core_ext/string.rb', line 149 def remove_colors gsub(/\e\[\d+m/, '') end |
#strip_tags ⇒ Object
возвращает строку из которой удалены HTML-теги символы <>&“ остаются без изменения
22 23 24 |
# File 'lib/string_tools/core_ext/string.rb', line 22 def ActionController::Base.helpers.(self).to_str.gsub(/<!--/, '<--') end |
#to_b ⇒ Object
33 34 35 |
# File 'lib/string_tools/core_ext/string.rb', line 33 def to_b StringTools::String.new(self).to_b end |
#to_cp1251 ⇒ Object
188 189 190 191 192 |
# File 'lib/string_tools/core_ext/string.rb', line 188 def to_cp1251 encode 'cp1251', :undef => :replace, :invalid => :replace rescue '' end |
#to_cp1251! ⇒ Object
194 195 196 |
# File 'lib/string_tools/core_ext/string.rb', line 194 def to_cp1251! self.replace(self.to_cp1251) end |
#to_f_with_strip_comma ⇒ Object
‘11,3’.to_f
> 11.3
28 29 30 |
# File 'lib/string_tools/core_ext/string.rb', line 28 def to_f_with_strip_comma self.gsub(/,/,'.').to_f_without_strip_comma end |
#to_punycode ⇒ Object
Выполняет преобразование строки в punycode.
85 86 87 |
# File 'lib/string_tools/core_ext/string.rb', line 85 def to_punycode Addressable::URI.parse(self).normalize.to_s end |
#to_script_safe_json ⇒ Object
37 38 39 |
# File 'lib/string_tools/core_ext/string.rb', line 37 def to_script_safe_json self.to_json.gsub('</script>', '</" + "script>" + "') end |
#to_utf8 ⇒ Object
170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 |
# File 'lib/string_tools/core_ext/string.rb', line 170 def to_utf8 # и так utf return self if is_utf8? enc = detect_encoding # если utf или английские буквы, то тоже ок return self if ['utf-8', 'ascii'].include?(enc) # если неизвестная каша, то возвращаем пустую строку return '' if enc.nil? # иначе пытаемся перекодировать encode 'utf-8', enc, :undef => :replace, :invalid => :replace rescue '' end |
#to_utf8! ⇒ Object
166 167 168 |
# File 'lib/string_tools/core_ext/string.rb', line 166 def to_utf8! self.replace(self.to_utf8) end |
#underline ⇒ Object
Synopsys
Make text underlined (for ASCII terminals)
143 144 145 |
# File 'lib/string_tools/core_ext/string.rb', line 143 def underline surround_with_ansi(ANSI_UNDERLINE) end |