Class: File

Inherits:
IO show all
Includes:
Constants
Defined in:
ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb,
ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file_constants.rb,
ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file_constants.rb

Defined Under Namespace

Modules: Constants

Constant Summary

Constants included from Constants

Constants::FNM_CASEFOLD, Constants::FNM_DOTMATCH, Constants::FNM_NOESCAPE, Constants::FNM_PATHNAME, Constants::FNM_SYSCASE

Constants inherited from IO

IO::BUF_SIZE, IO::SEEK_CUR, IO::SEEK_END, IO::SEEK_SET

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from IO

#<<, #_read_buf, #each, #each_byte, #eof?, #flush, #getc, #gets, #hash, open, pipe, popen, #pos, #pos=, #print, #printf, #puts, read, #read, #readchar, #readline, #readlines, #rewind, #seek, #ungetc, #write

Constructor Details

#initialize(fd_or_path, mode = "r", perm = 0666) ⇒ File

Returns a new instance of File.



4
5
6
7
8
9
10
11
12
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 4

def initialize(fd_or_path, mode = "r", perm = 0666)
  if fd_or_path.kind_of? Fixnum
    super(fd_or_path, mode)
  else
    @path = fd_or_path
    fd = IO.sysopen(@path, mode, perm)
    super(fd, mode)
  end
end

Instance Attribute Details

#path ⇒ Object

Returns the value of attribute path.



2
3
4
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 2

def path
  @path
end

Class Method Details

._concat_path(path, base_path) ⇒ Object 



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
83
84
85
86
87
88
89
90
91
92
93
94
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 58

def self._concat_path(path, base_path)
  if path[0] == "/" || path[1] == ':' # Windows root!
    expanded_path = path
  elsif path[0] == "~"
    if (path[1] == "/" || path[1] == nil)
      dir = path[1, path.size]
      home_dir = _gethome

      unless home_dir
        raise ArgumentError, "couldn't find HOME environment -- expanding '~'"
      end

      expanded_path = home_dir
      expanded_path += dir if dir
      expanded_path += "/"
    else
      splitted_path = path.split("/")
      user = splitted_path[0][1, splitted_path[0].size]
      dir = "/" + splitted_path[1, splitted_path.size].join("/")

      home_dir = _gethome(user)

      unless home_dir
        raise ArgumentError, "user #{user} doesn't exist"
      end

      expanded_path = home_dir
      expanded_path += dir if dir
      expanded_path += "/"
    end
  else
    expanded_path = _concat_path(base_path, _getwd)
    expanded_path += "/" + path
  end

  expanded_path
end

.directory?(file) ⇒ Boolean

Returns:

  • (Boolean) 


147
148
149
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 147

def self.directory?(file)
  FileTest.directory?(file)
end

.exist?(file) ⇒ Boolean

Returns:

  • (Boolean) 


151
152
153
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 151

def self.exist?(file)
  FileTest.exist?(file)
end

.exists?(file) ⇒ Boolean

Returns:

  • (Boolean) 


155
156
157
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 155

def self.exists?(file)
  FileTest.exists?(file)
end

.expand_path(path, default_dir = '.') ⇒ Object 



96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 96

def self.expand_path(path, default_dir = '.')
  expanded_path = _concat_path(path, default_dir)
  drive_prefix = ""
  if File::ALT_SEPARATOR && expanded_path.size > 2 &&
      ("A".."Z").include?(expanded_path[0].upcase) && expanded_path[1] == ":"
    drive_prefix = expanded_path[0, 2]
    expanded_path = expanded_path[2, expanded_path.size]
  end
  expand_path_array = []
  if File::ALT_SEPARATOR && expanded_path.include?(File::ALT_SEPARATOR)
    expanded_path.gsub!(File::ALT_SEPARATOR, '/')
  end
  while expanded_path.include?('//')
    expanded_path = expanded_path.gsub('//', '/')
  end

  if expanded_path != "/"
    expanded_path.split('/').each do |path_token|
      if path_token == '..'
        if expand_path_array.size > 1
          expand_path_array.pop
        end
      elsif path_token == '.'
        # nothing to do.
      else
        expand_path_array << path_token
      end
    end

    expanded_path = expand_path_array.join("/")
    if expanded_path.empty?
      expanded_path = '/'
    end
  end
  if drive_prefix.empty?
    expanded_path
  else
    drive_prefix + expanded_path.gsub("/", File::ALT_SEPARATOR)
  end
end

.extname(filename) ⇒ Object 



187
188
189
190
191
192
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 187

def self.extname(filename)
  fname = self.basename(filename)
  return '' if fname[0] == '.' || fname.index('.').nil?
  ext = fname.split('.').last
  ext.empty? ? '' : ".#{ext}"
end

.file?(file) ⇒ Boolean

Returns:

  • (Boolean) 


159
160
161
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 159

def self.file?(file)
  FileTest.file?(file)
end

.foreach(file) ⇒ Object 



137
138
139
140
141
142
143
144
145
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 137

def self.foreach(file)
  if block_given?
    self.open(file) do |f|
      f.each {|l| yield l}
    end
  else
    return self.new(file)
  end
end

.join(*names) ⇒ Object 



14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 14

def self.join(*names)
  return "" if names.empty?

  names.map! do |name|
    case name
    when String
      name
    when Array
      if names == name
        raise ArgumentError, "recursive array"
      end
      join(*name)
    else
      raise TypeError, "no implicit conversion of #{name.class} into String"
    end
  end

  return names[0] if names.size == 1

  if names[0][-1] == File::SEPARATOR
    s = names[0][0..-2]
  else
    s = names[0].dup
  end

  (1..names.size-2).each { |i|
    t = names[i]
    if t[0] == File::SEPARATOR and t[-1] == File::SEPARATOR
      t = t[1..-2]
    elsif t[0] == File::SEPARATOR
      t = t[1..-1]
    elsif t[-1] == File::SEPARATOR
      t = t[0..-2]
    end
    s += File::SEPARATOR + t if t != ""
  }
  if names[-1][0] == File::SEPARATOR
    s += File::SEPARATOR + names[-1][1..-1]
  else
    s += File::SEPARATOR + names[-1]
  end
  s
end

.path(filename) ⇒ Object 



194
195
196
197
198
199
200
201
202
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 194

def self.path(filename)
  if filename.kind_of?(String)
    filename
  elsif filename.respond_to?(:to_path)
    filename.to_path
  else
    raise TypeError, "no implicit conversion of #{filename.class} into String"
  end
end

.pipe?(file) ⇒ Boolean

Returns:

  • (Boolean) 


163
164
165
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 163

def self.pipe?(file)
  FileTest.pipe?(file)
end

.size(file) ⇒ Object 



167
168
169
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 167

def self.size(file)
  FileTest.size(file)
end

.size?(file) ⇒ Boolean

Returns:

  • (Boolean) 


171
172
173
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 171

def self.size?(file)
  FileTest.size?(file)
end

.socket?(file) ⇒ Boolean

Returns:

  • (Boolean) 


175
176
177
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 175

def self.socket?(file)
  FileTest.socket?(file)
end

.symlink?(file) ⇒ Boolean

Returns:

  • (Boolean) 


179
180
181
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 179

def self.symlink?(file)
  FileTest.symlink?(file)
end

.zero?(file) ⇒ Boolean

Returns:

  • (Boolean) 


183
184
185
 
# File 'ext/enterprise_script_service/mruby/mrbgems/mruby-io/mrblib/file.rb', line 183

def self.zero?(file)
  FileTest.zero?(file)
end