Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/vmopt/ext/string_ext.rb

Overview

:nodoc: all

Instance Method Summary collapse

Instance Method Details

#__camelize(first_letter_in_uppercase = true) ⇒ Object Also known as: camelize 



66
67
68
69
70
71
72
 
# File 'lib/vmopt/ext/string_ext.rb', line 66

def __camelize(first_letter_in_uppercase=true)
    if first_letter_in_uppercase
      self.to_s.gsub(/\/(.?)/) { "::#{$1.upcase}" }.gsub(/(?:^|_)(.)/) { $1.upcase }
    else
      self.to_s[0].chr.downcase + camelize(self)[1..-1]
    end
end

#__underscore ⇒ Object Also known as: underscore 



75
76
77
78
79
80
81
82
83
 
# File 'lib/vmopt/ext/string_ext.rb', line 75

def __underscore
  word = self.to_s.dup
  word.gsub!(/::/, '/')
  word.gsub!(/([A-Z]+)([A-Z][a-z])/,'\1_\2')
  word.gsub!(/([a-z\d])([A-Z])/,'\1_\2')
  word.tr!("-", "_")
  word.downcase!
  word
end

#to_arr ⇒ Object 



62
63
64
 
# File 'lib/vmopt/ext/string_ext.rb', line 62

def to_arr()
  self.split('&') #暂时未考虑&在\之后的问题,fix this bug
end

#to_gb2312(enc = 'UTF-8') ⇒ Object 



47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
 
# File 'lib/vmopt/ext/string_ext.rb', line 47

def to_gb2312(enc = 'UTF-8')
  # require 'iconv'
  # Iconv.iconv('GB2312','UTF-8',self).at(0).to_s
  if self.respond_to?(:encode)
    self.encode('GB2312', enc)
  else
    begin
      self.unpack("U*")
      require 'iconv' if RUBY_VERSION.to_f < 1.9
      Iconv.iconv('GB2312',enc,self).at(0).to_s
    rescue ::ArgumentError
      self
    end
  end    
end

#to_gbk(enc = 'UTF-8') ⇒ Object

TODO：参数功能目前没有用



32
33
34
35
36
37
38
39
40
41
42
43
44
45
 
# File 'lib/vmopt/ext/string_ext.rb', line 32

def to_gbk(enc='UTF-8')
  if self.respond_to?(:encode)
    return self unless utf8?
    self.encode('GBK', enc)
  else
    return self unless utf8?
    require 'iconv' if RUBY_VERSION.to_f < 1.9
    begin
      Iconv.iconv('GBK',enc,self).at(0).to_s
    rescue
      self
    end
  end
end

#to_utf8(enc = 'GBK') ⇒ Object

TODO：参数功能目前没有用



16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
# File 'lib/vmopt/ext/string_ext.rb', line 16

def to_utf8(enc='GBK')
  if self.respond_to?(:encode)
     return self if utf8?
     self.encode('UTF-8',enc)
  else
    require 'iconv' if RUBY_VERSION.to_f < 1.9
    return self if utf8?
    begin 
      Iconv.iconv('UTF-8',enc,self).at(0).to_s
    rescue
       self
    end
  end
end

#utf8? ⇒ Boolean

判断是否为utf8

Returns:

  • (Boolean) 


5
6
7
8
9
10
11
12
13
 
# File 'lib/vmopt/ext/string_ext.rb', line 5

def utf8?
  if String.method_defined?(:encode)
    return true if self.force_encoding("UTF-8").valid_encoding?
    return false
  else
    unpack('U*') rescue return false  
    return true
  end      
end