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Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/postgresql/array_parser.rb')
-rw-r--r--activerecord/lib/active_record/connection_adapters/postgresql/array_parser.rb93
1 files changed, 0 insertions, 93 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/array_parser.rb b/activerecord/lib/active_record/connection_adapters/postgresql/array_parser.rb
deleted file mode 100644
index 1b74c039ce..0000000000
--- a/activerecord/lib/active_record/connection_adapters/postgresql/array_parser.rb
+++ /dev/null
@@ -1,93 +0,0 @@
-module ActiveRecord
- module ConnectionAdapters
- module PostgreSQL
- module ArrayParser # :nodoc:
-
- DOUBLE_QUOTE = '"'
- BACKSLASH = "\\"
- COMMA = ','
- BRACKET_OPEN = '{'
- BRACKET_CLOSE = '}'
-
- def parse_pg_array(string) # :nodoc:
- local_index = 0
- array = []
- while(local_index < string.length)
- case string[local_index]
- when BRACKET_OPEN
- local_index,array = parse_array_contents(array, string, local_index + 1)
- when BRACKET_CLOSE
- return array
- end
- local_index += 1
- end
-
- array
- end
-
- private
-
- def parse_array_contents(array, string, index)
- is_escaping = false
- is_quoted = false
- was_quoted = false
- current_item = ''
-
- local_index = index
- while local_index
- token = string[local_index]
- if is_escaping
- current_item << token
- is_escaping = false
- else
- if is_quoted
- case token
- when DOUBLE_QUOTE
- is_quoted = false
- was_quoted = true
- when BACKSLASH
- is_escaping = true
- else
- current_item << token
- end
- else
- case token
- when BACKSLASH
- is_escaping = true
- when COMMA
- add_item_to_array(array, current_item, was_quoted)
- current_item = ''
- was_quoted = false
- when DOUBLE_QUOTE
- is_quoted = true
- when BRACKET_OPEN
- internal_items = []
- local_index,internal_items = parse_array_contents(internal_items, string, local_index + 1)
- array.push(internal_items)
- when BRACKET_CLOSE
- add_item_to_array(array, current_item, was_quoted)
- return local_index,array
- else
- current_item << token
- end
- end
- end
-
- local_index += 1
- end
- return local_index,array
- end
-
- def add_item_to_array(array, current_item, quoted)
- return if !quoted && current_item.length == 0
-
- if !quoted && current_item == 'NULL'
- array.push nil
- else
- array.push current_item
- end
- end
- end
- end
- end
-end