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provide access to prj file #23

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provide access to prj file #23

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8 changes: 8 additions & 0 deletions lib/rgeo/shapefile/reader.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -181,6 +181,9 @@ def initialize(path_, opts_ = {}) # :nodoc:
@attr_dbf = if ::File.file?(path_ + ".dbf") && ::File.readable?(path_ + ".dbf")
::DBF::Table.new(path_ + ".dbf")
end
@prj_file = if ::File.file?(path_+'.prj') && ::File.readable?(path_ + '.prj')
::File.open(path_+'.prj', 'rb:ascii-8bit')
end
@main_length, @shape_type_code, @xmin, @ymin, @xmax, @ymax, @zmin, @zmax, @mmin, @mmax = @main_file.read(100).unpack("x24Nx4VE8")
@main_length *= 2
index_length_ = @index_file.read(100).unpack("x24Nx72").first
Expand Down Expand Up @@ -232,6 +235,7 @@ def close
@main_file.close
@index_file.close
@attr_dbf.close if @attr_dbf
@prj_file.close if @prj_file
@opened = false
end

Expand Down Expand Up @@ -370,6 +374,10 @@ def get(index_)
end
alias [] get

def prj
@opened && @prj_file ? @prj_file.read : nil
end

def _read_next_record # :nodoc:
length_ = @main_file.read(8).unpack("NN")[1]
data_ = @main_file.read(length_ * 2)
Expand Down