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"
- WIN_1251_ENCODING =
'windows-1251'
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.
-
#remove_nonprintable ⇒ Object
Public: returns copy of string with all non-printable characters removed.
-
#remove_nonprintable! ⇒ Object
Public: removes all non-printable characters from 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(inplace = false) ⇒ Object
- #to_utf8! ⇒ Object
-
#underline ⇒ Object
Synopsys Make text underlined (for ASCII terminals).
Class Method Details
.natcmp(str1, str2) ⇒ Object
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 |
# File 'lib/string_tools/core_ext/string.rb', line 44 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)
136 137 138 |
# File 'lib/string_tools/core_ext/string.rb', line 136 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
113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 |
# File 'lib/string_tools/core_ext/string.rb', line 113 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 = WIN_1251_ENCODING if StringTools::CharDet::CP1251_COMPATIBLE_ENCODINGS.include?(e) e end |
#mb_downcase ⇒ Object
187 188 189 190 191 192 193 194 |
# File 'lib/string_tools/core_ext/string.rb', line 187 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
40 41 42 |
# File 'lib/string_tools/core_ext/string.rb', line 40 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
148 149 150 |
# File 'lib/string_tools/core_ext/string.rb', line 148 def remove_colors gsub(/\e\[\d+m/, '') end |
#remove_nonprintable ⇒ Object
Public: returns copy of string with all non-printable characters removed
Examples
"q\uFFFEw\uFFFFe\uFFF0r\uFDD0t\uFDEFy".remove_nonprintable
# => "qwerty"
Returns String
204 205 206 |
# File 'lib/string_tools/core_ext/string.rb', line 204 def remove_nonprintable gsub(/[^[:print:]\n\t]/i, '') end |
#remove_nonprintable! ⇒ Object
Public: removes all non-printable characters from string
Examples
"q\uFFFEw\uFFFFe\uFFF0r\uFDD0t\uFDEFy".remove_nonprintable!
# => "qwerty"
Returns String
216 217 218 |
# File 'lib/string_tools/core_ext/string.rb', line 216 def remove_nonprintable! replace(remove_nonprintable) end |
#strip_tags ⇒ Object
возвращает строку из которой удалены HTML-теги символы <>&“ остаются без изменения
21 22 23 |
# File 'lib/string_tools/core_ext/string.rb', line 21 def Nokogiri::HTML5.parse(self).content end |
#to_b ⇒ Object
32 33 34 |
# File 'lib/string_tools/core_ext/string.rb', line 32 def to_b StringTools::String.new(self).to_b end |
#to_cp1251 ⇒ Object
179 180 181 |
# File 'lib/string_tools/core_ext/string.rb', line 179 def to_cp1251 encode 'cp1251', undef: :replace, invalid: :replace, replace: '' end |
#to_cp1251! ⇒ Object
183 184 185 |
# File 'lib/string_tools/core_ext/string.rb', line 183 def to_cp1251! self.replace(self.to_cp1251) end |
#to_f_with_strip_comma ⇒ Object
‘11,3’.to_f
> 11.3
27 28 29 |
# File 'lib/string_tools/core_ext/string.rb', line 27 def to_f_with_strip_comma self.gsub(/,/,'.').to_f_without_strip_comma end |
#to_punycode ⇒ Object
Выполняет преобразование строки в punycode.
84 85 86 |
# File 'lib/string_tools/core_ext/string.rb', line 84 def to_punycode Addressable::URI.parse(self).normalize.to_s end |
#to_script_safe_json ⇒ Object
36 37 38 |
# File 'lib/string_tools/core_ext/string.rb', line 36 def to_script_safe_json self.to_json.gsub('</script>', '</" + "script>" + "') end |
#to_utf8(inplace = false) ⇒ Object
166 167 168 169 170 171 172 173 |
# File 'lib/string_tools/core_ext/string.rb', line 166 def to_utf8(inplace = false) return self if valid_encoding? && is_utf8? source_enc = detect_encoding return '' unless source_enc encode_utf8(source_enc, inplace) end |
#to_utf8! ⇒ Object
175 176 177 |
# File 'lib/string_tools/core_ext/string.rb', line 175 def to_utf8! to_utf8(true) end |
#underline ⇒ Object
Synopsys
Make text underlined (for ASCII terminals)
142 143 144 |
# File 'lib/string_tools/core_ext/string.rb', line 142 def underline surround_with_ansi(ANSI_UNDERLINE) end |