Class: StringInput
- Inherits:
-
Object
- Object
- StringInput
- Includes:
- Enumerable
- Defined in:
- lib/action_mailer/vendor/tmail/stringio.rb
Overview
stringio.rb
– Copyright © 1998-2003 Minero Aoki <[email protected]>
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Note: Originally licensed under LGPL v2+. Using MIT license for Rails with permission of Minero Aoki. ++
Instance Attribute Summary collapse
-
#lineno ⇒ Object
readonly
Returns the value of attribute lineno.
Class Method Summary collapse
- .new(str) ⇒ Object (also: open)
Instance Method Summary collapse
- #close ⇒ Object
- #closed? ⇒ Boolean
- #each(&block) ⇒ Object
- #eof? ⇒ Boolean
- #getc ⇒ Object
- #gets ⇒ Object
-
#initialize(str) ⇒ StringInput
constructor
A new instance of StringInput.
- #inspect ⇒ Object
- #pos ⇒ Object (also: #tell)
- #read(len = nil) ⇒ Object (also: #sysread)
- #read_all ⇒ Object
- #rewind ⇒ Object
- #seek(offset, whence = IO::SEEK_SET) ⇒ Object
- #stream_check! ⇒ Object
- #string ⇒ Object
Methods included from Enumerable
Constructor Details
#initialize(str) ⇒ StringInput
Returns a new instance of StringInput.
53 54 55 56 57 58 |
# File 'lib/action_mailer/vendor/tmail/stringio.rb', line 53 def initialize( str ) @src = str @pos = 0 @closed = false @lineno = 0 end |
Instance Attribute Details
#lineno ⇒ Object (readonly)
Returns the value of attribute lineno.
60 61 62 |
# File 'lib/action_mailer/vendor/tmail/stringio.rb', line 60 def lineno @lineno end |
Class Method Details
.new(str) ⇒ Object Also known as: open
36 37 38 39 40 41 42 43 44 45 46 47 |
# File 'lib/action_mailer/vendor/tmail/stringio.rb', line 36 def new( str ) if block_given? begin f = super yield f ensure f.close if f end else super end end |
Instance Method Details
#close ⇒ Object
70 71 72 73 74 |
# File 'lib/action_mailer/vendor/tmail/stringio.rb', line 70 def close stream_check! @pos = nil @closed = true end |
#closed? ⇒ Boolean
76 77 78 |
# File 'lib/action_mailer/vendor/tmail/stringio.rb', line 76 def closed? @closed end |
#each(&block) ⇒ Object
114 115 116 117 118 119 120 121 |
# File 'lib/action_mailer/vendor/tmail/stringio.rb', line 114 def each( &block ) stream_check! begin @src.each(&block) ensure @pos = 0 end end |
#eof? ⇒ Boolean
109 110 111 112 |
# File 'lib/action_mailer/vendor/tmail/stringio.rb', line 109 def eof? stream_check! @pos > @src.size end |
#getc ⇒ Object
139 140 141 142 143 144 145 |
# File 'lib/action_mailer/vendor/tmail/stringio.rb', line 139 def getc stream_check! ch = @src[@pos] @pos += 1 @pos += 1 if @pos == @src.size ch end |
#gets ⇒ Object
123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 |
# File 'lib/action_mailer/vendor/tmail/stringio.rb', line 123 def gets stream_check! if idx = @src.index(?\n, @pos) idx += 1 # "\n".size line = @src[ @pos ... idx ] @pos = idx @pos += 1 if @pos == @src.size else line = @src[ @pos .. -1 ] @pos = @src.size + 1 end @lineno += 1 line end |
#inspect ⇒ Object
66 67 68 |
# File 'lib/action_mailer/vendor/tmail/stringio.rb', line 66 def inspect "#<#{self.class}:#{@closed ? 'closed' : 'open'},src=#{@src[0,30].inspect}>" end |
#pos ⇒ Object Also known as: tell
80 81 82 83 |
# File 'lib/action_mailer/vendor/tmail/stringio.rb', line 80 def pos stream_check! [@pos, @src.size].min end |
#read(len = nil) ⇒ Object Also known as: sysread
147 148 149 150 151 152 153 154 |
# File 'lib/action_mailer/vendor/tmail/stringio.rb', line 147 def read( len = nil ) stream_check! return read_all unless len str = @src[@pos, len] @pos += len @pos += 1 if @pos == @src.size str end |
#read_all ⇒ Object
158 159 160 161 162 163 164 |
# File 'lib/action_mailer/vendor/tmail/stringio.rb', line 158 def read_all stream_check! return nil if eof? rest = @src[@pos ... @src.size] @pos = @src.size + 1 rest end |
#rewind ⇒ Object
104 105 106 107 |
# File 'lib/action_mailer/vendor/tmail/stringio.rb', line 104 def rewind stream_check! @pos = 0 end |
#seek(offset, whence = IO::SEEK_SET) ⇒ Object
87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 |
# File 'lib/action_mailer/vendor/tmail/stringio.rb', line 87 def seek( offset, whence = IO::SEEK_SET ) stream_check! case whence when IO::SEEK_SET @pos = offset when IO::SEEK_CUR @pos += offset when IO::SEEK_END @pos = @src.size - offset else raise ArgumentError, "unknown seek flag: #{whence}" end @pos = 0 if @pos < 0 @pos = [@pos, @src.size + 1].min offset end |
#stream_check! ⇒ Object
166 167 168 |
# File 'lib/action_mailer/vendor/tmail/stringio.rb', line 166 def stream_check! @closed and raise IOError, 'closed stream' end |
#string ⇒ Object
62 63 64 |
# File 'lib/action_mailer/vendor/tmail/stringio.rb', line 62 def string @src end |