Class: EPUB::CFI::Parser
- Inherits:
-
Racc::Parser
- Object
- Racc::Parser
- EPUB::CFI::Parser
- Includes:
- Comparable
- Defined in:
- lib/epub/cfi/parser.rb,
lib/epub/cfi/parser.tab.rb
Constant Summary collapse
- UNICODE_CHARACTER_EXCLUDING_SPECIAL_CHARS_AND_SPACE_AND_DOT_AND_COLON_AND_TILDE_AND_ATMARK_AND_SOLIDUS_AND_EXCLAMATION_MARK_PATTERN =
excluding special chars and space(\u0020) and dot(\u002E) and colon(\u003A) and tilde(\u007E) and atmark(\u0040) and solidus(\u002F) and exclamation mark(\u0021)
/\u0009|\u000A|\u000D|[\u0022-\u0027]|[\u002A-\u002B]|\u002D|[\u0030-\u0039]|\u003C|[\u003E-\u0040]|[\u0041-\u005A]|\u005C|[\u005F-\u007D]|[\u007F-\uD7FF]|[\uE000-\uFFFD]|[\u10000-\u10FFFF]/
- FRAGMENT_PREFIX =
"epubcfi("
- FRAGMENT_PREFIX_LENGTH =
FRAGMENT_PREFIX.length
- FRAGMENT_SUFFIX_LENGTH =
")".length
- Racc_arg =
[ racc_action_table, racc_action_check, racc_action_default, racc_action_pointer, racc_goto_table, racc_goto_check, racc_goto_default, racc_goto_pointer, racc_nt_base, racc_reduce_table, racc_token_table, racc_shift_n, racc_reduce_n, racc_use_result_var ]
- Racc_token_to_s_table =
[ "$end", "error", "COMMA", "EXCLAMATION_MARK", "SOLIDUS", "COLON", "TILDE", "ATMARK", "DIGIT_NON_ZERO", "ZERO", "DOT", "SEMICOLON", "EQUAL", "CIRCUMFLEX", "OPENING_SQUARE_BRACKET", "CLOSING_SQUARE_BRACKET", "OPENING_PARENTHESIS", "CLOSING_PARENTHESIS", "SPACE", "UNICODE_CHARACTER_EXCLUDING_SPECIAL_CHARS_AND_SPACE_AND_DOT_AND_COLON_AND_TILDE_AND_ATMARK_AND_SOLIDUS_AND_EXCLAMATION_MARK", "$start", "fragment", "path", "range_zero_or_one", "range", "step", "local_path", "step_zero_or_more", "redirected_path", "offset_zero_or_one", "offset", "integer", "assertion_part_zero_or_one", "spatial_offset", "number", "spatial_offset_zero_or_one", "opening_square_bracket", "assertion", "closing_square_bracket", "digit_zero_or_more", "fractional_portion_zero_or_one", "fractional_portion", "digit", "value_csv_one_or_two", "parameter_zero_or_more", "value", "parameter", "value_no_space", "csv", "string_escaped_special_chars", "string_escaped_special_chars_excluding_space", "escaped_special_chars", "square_brackets", "parentheses", "character_escaped_special", "character_excluding_special_chars", "character_escaped_special_excluding_space", "character_excluding_special_chars_and_space", "character_excluding_special_chars_and_space_and_dot_and_colon_and_tilde_and_atmark_and_solidus_and_exclamation_mark" ]
- Racc_debug_parser =
false
Class Method Summary collapse
Instance Method Summary collapse
-
#_reduce_none(val, _values, result) ⇒ Object
reduce 80 omitted.
-
#initialize(debug: $DEBUG) ⇒ Parser
constructor
A new instance of Parser.
- #next_token ⇒ Object
- #parse(string) ⇒ Object
Constructor Details
#initialize(debug: $DEBUG) ⇒ Parser
Returns a new instance of Parser.
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# File 'lib/epub/cfi/parser.rb', line 18 def initialize(debug: $DEBUG) @yydebug = debug super() end |
Class Method Details
.parse(string, debug: $DEBUG) ⇒ Object
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# File 'lib/epub/cfi/parser.rb', line 13 def parse(string, debug: $DEBUG) new(debug: debug).parse(string) end |
Instance Method Details
#_reduce_none(val, _values, result) ⇒ Object
reduce 80 omitted
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# File 'lib/epub/cfi/parser.tab.rb', line 694 def _reduce_none(val, _values, result) val[0] end |
#next_token ⇒ Object
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# File 'lib/epub/cfi/parser.rb', line 32 def next_token return [false, false] if @scanner.eos? case when @scanner.scan(/[1-9]/) [:DIGIT_NON_ZERO, @scanner[0]] when @scanner.scan(/0/) [:ZERO, @scanner[0]] when @scanner.scan(/ /) [:SPACE, @scanner[0]] when @scanner.scan(/\^/) [:CIRCUMFLEX, @scanner[0]] when @scanner.scan(/\[/) [:OPENING_SQUARE_BRACKET, @scanner[0]] when @scanner.scan(/\]/) [:CLOSING_SQUARE_BRACKET, @scanner[0]] when @scanner.scan(/\(/) [:OPENING_PARENTHESIS, @scanner[0]] when @scanner.scan(/\)/) [:CLOSING_PARENTHESIS, @scanner[0]] when @scanner.scan(/,/) [:COMMA, @scanner[0]] when @scanner.scan(/;/) [:SEMICOLON, @scanner[0]] when @scanner.scan(/=/) [:EQUAL, @scanner[0]] when @scanner.scan(/\./) [:DOT, @scanner[0]] when @scanner.scan(/:/) [:COLON, @scanner[0]] when @scanner.scan(/~/) [:TILDE, @scanner[0]] when @scanner.scan(/@/) [:ATMARK, @scanner[0]] when @scanner.scan(/\//) [:SOLIDUS, @scanner[0]] when @scanner.scan(/!/) [:EXCLAMATION_MARK, @scanner[0]] when @scanner.scan(UNICODE_CHARACTER_EXCLUDING_SPECIAL_CHARS_AND_SPACE_AND_DOT_AND_COLON_AND_TILDE_AND_ATMARK_AND_SOLIDUS_AND_EXCLAMATION_MARK_PATTERN) [:UNICODE_CHARACTER_EXCLUDING_SPECIAL_CHARS_AND_SPACE_AND_DOT_AND_COLON_AND_TILDE_AND_ATMARK_AND_SOLIDUS_AND_EXCLAMATION_MARK, @scanner[0]] else raise 'unexpected character' end end |
#parse(string) ⇒ Object
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# File 'lib/epub/cfi/parser.rb', line 23 def parse(string) if string.start_with? FRAGMENT_PREFIX string = string[FRAGMENT_PREFIX_LENGTH .. -(FRAGMENT_SUFFIX_LENGTH + 1)] # @type var string: String end @scanner = StringScanner.new(string, true) do_parse end |