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Editing: cdesc-StreamBuf.yaml
--- !ruby/object:RI::ClassDescription attributes: [] class_methods: - !ruby/object:RI::MethodSummary name: new comment: - !ruby/struct:SM::Flow::P body: Buffered stream. - !ruby/struct:SM::Flow::P body: EXAMPLE 1 -- an IO. - !ruby/struct:SM::Flow::VERB body: " class MyBuf < StreamBuf\n # Do initialize myself before a super class. Super class might call my\n # method 'read'. (Could be awful for C++ user. :-)\n def initialize(s)\n @s = s\n super()\n end\n\n # define my own 'read' method.\n # CAUTION: Returning nil means EnfOfStream.\n def read(size)\n @s.read(size)\n end\n\n # release buffers. in Ruby which has GC, you do not have to call this...\n def terminate\n @s = nil\n super()\n end\n end\n\n buf = MyBuf.new(STDIN)\n my_str = ''\n p buf[0, 0] # => '' (null string)\n p buf[0] # => 97 (char code of 'a')\n p buf[0, 1] # => 'a'\n my_str = buf[0, 5]\n p my_str # => 'abcde' (5 chars)\n p buf[0, 6] # => "abcde\\n" (6 chars)\n p buf[0, 7] # => "abcde\\n" (6 chars)\n p buf.drop(3) # => 3 (dropped chars)\n p buf.get(0, 2) # => 'de' (2 chars)\n p buf.is_eos? # => false (is not EOS here)\n p buf.drop(5) # => 3 (dropped chars)\n p buf.is_eos? # => true (is EOS here)\n p buf[0] # => nil (is EOS here)\n" - !ruby/struct:SM::Flow::P body: EXAMPLE 2 -- String. - !ruby/struct:SM::Flow::VERB body: " This is a conceptual example. No pros with this.\n\n class StrBuf < StreamBuf\n def initialize(s)\n @str = s\n @idx = 0\n super()\n end\n\n def read(size)\n str = @str[@idx, size]\n @idx += str.size\n str\n end\n end\n" constants: - !ruby/object:RI::Constant comment: name: BufSize value: 1024 * 8 full_name: CSV::StreamBuf includes: [] instance_methods: - !ruby/object:RI::MethodSummary name: "[]" - !ruby/object:RI::MethodSummary name: add_buf - !ruby/object:RI::MethodSummary name: buf_size - !ruby/object:RI::MethodSummary name: drop - !ruby/object:RI::MethodSummary name: get - !ruby/object:RI::MethodSummary name: idx_is_eos? - !ruby/object:RI::MethodSummary name: is_eos? - !ruby/object:RI::MethodSummary name: read - !ruby/object:RI::MethodSummary name: rel_buf - !ruby/object:RI::MethodSummary name: terminate name: StreamBuf superclass: Object
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