Class: SearchCop::Visitors::Visitor
- Inherits:
-
Object
- Object
- SearchCop::Visitors::Visitor
show all
- Defined in:
- lib/search_cop/visitors/visitor.rb
Instance Attribute Summary collapse
Instance Method Summary
collapse
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#initialize(connection) ⇒ Visitor
constructor
A new instance of Visitor.
-
#quote(value) ⇒ Object
(also: #visit_TrueClass, #visit_FalseClass, #visit_String, #visit_Time, #visit_Date, #visit_Float, #visit_Fixnum, #visit_Symbol, #visit_Integer)
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#quote_column_name(name) ⇒ Object
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#quote_table_name(name) ⇒ Object
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#visit(visit_node = node) ⇒ Object
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#visit_attribute(attribute) ⇒ Object
(also: #visit_SearchCopGrammar_Attributes_String, #visit_SearchCopGrammar_Attributes_Text, #visit_SearchCopGrammar_Attributes_Float, #visit_SearchCopGrammar_Attributes_Integer, #visit_SearchCopGrammar_Attributes_Decimal, #visit_SearchCopGrammar_Attributes_Datetime, #visit_SearchCopGrammar_Attributes_Timestamp, #visit_SearchCopGrammar_Attributes_Date, #visit_SearchCopGrammar_Attributes_Time, #visit_SearchCopGrammar_Attributes_Boolean)
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#visit_SearchCopGrammar_Nodes_And(node) ⇒ Object
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#visit_SearchCopGrammar_Nodes_Equality(node) ⇒ Object
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#visit_SearchCopGrammar_Nodes_Generator(node) ⇒ Object
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#visit_SearchCopGrammar_Nodes_GreaterThan(node) ⇒ Object
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#visit_SearchCopGrammar_Nodes_GreaterThanOrEqual(node) ⇒ Object
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#visit_SearchCopGrammar_Nodes_LessThan(node) ⇒ Object
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#visit_SearchCopGrammar_Nodes_LessThanOrEqual(node) ⇒ Object
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#visit_SearchCopGrammar_Nodes_Matches(node) ⇒ Object
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#visit_SearchCopGrammar_Nodes_Not(node) ⇒ Object
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#visit_SearchCopGrammar_Nodes_NotEqual(node) ⇒ Object
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#visit_SearchCopGrammar_Nodes_Or(node) ⇒ Object
Constructor Details
#initialize(connection) ⇒ Visitor
Returns a new instance of Visitor.
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# File 'lib/search_cop/visitors/visitor.rb', line 8
def initialize(connection)
@connection = connection
extend(SearchCop::Visitors::Mysql) if @connection.adapter_name =~ /mysql/i
extend(SearchCop::Visitors::Postgres) if @connection.adapter_name =~ /postgres|postgis/i
end
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Instance Attribute Details
#connection ⇒ Object
rubocop:disable Naming/MethodName
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# File 'lib/search_cop/visitors/visitor.rb', line 6
def connection
@connection
end
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Instance Method Details
#quote(value) ⇒ Object
Also known as:
visit_TrueClass, visit_FalseClass, visit_String, visit_Time, visit_Date, visit_Float, visit_Fixnum, visit_Symbol, visit_Integer
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# File 'lib/search_cop/visitors/visitor.rb', line 86
def quote(value)
connection.quote value
end
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#quote_column_name(name) ⇒ Object
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# File 'lib/search_cop/visitors/visitor.rb', line 67
def quote_column_name(name)
connection.quote_column_name name
end
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#quote_table_name(name) ⇒ Object
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# File 'lib/search_cop/visitors/visitor.rb', line 63
def quote_table_name(name)
connection.quote_table_name name
end
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#visit(visit_node = node) ⇒ Object
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# File 'lib/search_cop/visitors/visitor.rb', line 15
def visit(visit_node = node)
send "visit_#{visit_node.class.name.gsub(/::/, "_")}", visit_node
end
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#visit_attribute(attribute) ⇒ Object
Also known as:
visit_SearchCopGrammar_Attributes_String, visit_SearchCopGrammar_Attributes_Text, visit_SearchCopGrammar_Attributes_Float, visit_SearchCopGrammar_Attributes_Integer, visit_SearchCopGrammar_Attributes_Decimal, visit_SearchCopGrammar_Attributes_Datetime, visit_SearchCopGrammar_Attributes_Timestamp, visit_SearchCopGrammar_Attributes_Date, visit_SearchCopGrammar_Attributes_Time, visit_SearchCopGrammar_Attributes_Boolean
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# File 'lib/search_cop/visitors/visitor.rb', line 71
def visit_attribute(attribute)
"#{quote_table_name attribute.table_alias}.#{quote_column_name attribute.column_name}"
end
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#visit_SearchCopGrammar_Nodes_And(node) ⇒ Object
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# File 'lib/search_cop/visitors/visitor.rb', line 19
def visit_SearchCopGrammar_Nodes_And(node)
"(#{node.nodes.collect { |n| visit n }.join(" AND ")})"
end
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#visit_SearchCopGrammar_Nodes_Equality(node) ⇒ Object
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# File 'lib/search_cop/visitors/visitor.rb', line 43
def visit_SearchCopGrammar_Nodes_Equality(node)
"#{visit node.left} = #{visit node.right}"
end
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#visit_SearchCopGrammar_Nodes_Generator(node) ⇒ Object
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# File 'lib/search_cop/visitors/visitor.rb', line 59
def visit_SearchCopGrammar_Nodes_Generator(node)
instance_exec visit(node.left), node.right[:value], &node.right[:generator]
end
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#visit_SearchCopGrammar_Nodes_GreaterThan(node) ⇒ Object
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# File 'lib/search_cop/visitors/visitor.rb', line 27
def visit_SearchCopGrammar_Nodes_GreaterThan(node)
"#{visit node.left} > #{visit node.right}"
end
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#visit_SearchCopGrammar_Nodes_GreaterThanOrEqual(node) ⇒ Object
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# File 'lib/search_cop/visitors/visitor.rb', line 31
def visit_SearchCopGrammar_Nodes_GreaterThanOrEqual(node)
"#{visit node.left} >= #{visit node.right}"
end
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#visit_SearchCopGrammar_Nodes_LessThan(node) ⇒ Object
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# File 'lib/search_cop/visitors/visitor.rb', line 35
def visit_SearchCopGrammar_Nodes_LessThan(node)
"#{visit node.left} < #{visit node.right}"
end
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#visit_SearchCopGrammar_Nodes_LessThanOrEqual(node) ⇒ Object
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# File 'lib/search_cop/visitors/visitor.rb', line 39
def visit_SearchCopGrammar_Nodes_LessThanOrEqual(node)
"#{visit node.left} <= #{visit node.right}"
end
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#visit_SearchCopGrammar_Nodes_Matches(node) ⇒ Object
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# File 'lib/search_cop/visitors/visitor.rb', line 51
def visit_SearchCopGrammar_Nodes_Matches(node)
"(#{visit node.left} IS NOT NULL AND #{visit node.left} LIKE #{visit node.right} ESCAPE #{visit "\\"})"
end
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#visit_SearchCopGrammar_Nodes_Not(node) ⇒ Object
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# File 'lib/search_cop/visitors/visitor.rb', line 55
def visit_SearchCopGrammar_Nodes_Not(node)
"NOT (#{visit node.object})"
end
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#visit_SearchCopGrammar_Nodes_NotEqual(node) ⇒ Object
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# File 'lib/search_cop/visitors/visitor.rb', line 47
def visit_SearchCopGrammar_Nodes_NotEqual(node)
"#{visit node.left} != #{visit node.right}"
end
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#visit_SearchCopGrammar_Nodes_Or(node) ⇒ Object
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# File 'lib/search_cop/visitors/visitor.rb', line 23
def visit_SearchCopGrammar_Nodes_Or(node)
"(#{node.nodes.collect { |n| visit n }.join(" OR ")})"
end
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