Class: MiniSOReader

Inherits:
Object show all
Defined in:
ext/oci8/oraconf.rb

Overview

minimal implementation to read information of a shared object.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(filename) ⇒ MiniSOReader

Returns a new instance of MiniSOReader.



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# File 'ext/oci8/oraconf.rb', line 124

def initialize(filename)
  f = open(filename, 'rb')
  begin
    case file_header = f.read(2)
    when "\177E"
      # Linux, Solaris and HP-UX(64-bit)
      read_elf(f) if f.read(2) == 'LF'
    when "MZ"
      # Windows
      read_pe(f)
    when "\x02\x10"
      # HP-UX PA-RISC1.1
      read_parisc(f)
    when "\xfe\xed"
      # Big-endian Mach-O File
      read_mach_o_be(f)
    when "\xce\xfa"
      # 32-bit Little-endian Mach-O File
      read_mach_o_le(f, 32)
    when "\xcf\xfa"
      # 64-bit Little-endian Mach-O File
      read_mach_o_le(f, 64)
    when "\xca\xfe"
      # Universal binary
      read_mach_o_unversal(f)
    else
      # AIX and Tru64
      raise format("unknown file header: %02x %02x", file_header[0], file_header[1])
    end
  ensure
    f.close
  end
end

Instance Attribute Details

#bits ⇒ Object (readonly)

Returns the value of attribute bits.



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# File 'ext/oci8/oraconf.rb', line 122

def bits
  @bits
end

#cpu ⇒ Object (readonly)

Returns the value of attribute cpu.



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# File 'ext/oci8/oraconf.rb', line 120

def cpu
  @cpu
end

#endian ⇒ Object (readonly)

Returns the value of attribute endian.



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# File 'ext/oci8/oraconf.rb', line 121

def endian
  @endian
end

#file_format ⇒ Object (readonly)

Returns the value of attribute file_format.



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# File 'ext/oci8/oraconf.rb', line 119

def file_format
  @file_format
end