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Contents
module GeoConcerns
module Processors
module Vector
class Info
attr_accessor :doc
attr_writer :name, :driver
def initialize(path)
@doc = ogrinfo(path)
end
# Returns the vector dataset name
# @return [String] dataset name
def name
@name = vector_name
end
# Returns the ogr driver name
# @return [String] driver name
def driver
@driver = driver_name
end
# Returns vector geometry type
# @return [String] geom
def geom
@geom = vector_geom
end
private
# Runs the ogrinfo command and returns the result as a string.
# @param path [String] path to vector file or shapefile directory
# @return [String] output of ogrinfo
def ogrinfo(path)
stdout, _stderr, _status = Open3.capture3("ogrinfo #{path}")
stdout
end
# Given an output string from the ogrinfo command, returns
# the vector dataset name.
# @return [String] vector dataset name
def vector_name
match = /(?<=\d:\s).*?((?=\s)|($))/.match(doc)
match ? match[0] : ''
end
# Given an output string from the ogrinfo command, returns
# the ogr driver used to read dataset.
# @return [String] ogr driver name
def driver_name
match = /(?<=driver\s`).*?(?=')/.match(doc)
match ? match[0] : ''
end
# Given an output string from the ogrinfo command, returns
# the vector geometry type.
# @return [String] vector geom
def vector_geom
match = /(?<=\().*?(?=\))/.match(doc)
match ? match[0] : ''
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems