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Implement Regular Expression split and update Text.split to the new API (#6116)
Re-implement split on top of Truffle regex.
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@ -366,8 +366,10 @@
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- [Aligned names of columns created by column operations.][5850]
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- [Improved `cross_tab`. Renamed `fill_missing` and `is_missing` to
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`fill_nothing` and `is_nothing`. Added `fill_empty`.][5863]
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- [Removed many regex compile flags from `replace`; added `only_first`
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flag.][5959]
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- [Removed many regex compile flags from `replace`; added `only_first` and
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`use_regex` flag.][5959]
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- [Removed many regex compile flags from `split`; added `only_first` and
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`use_regex` flag.][6116]
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[debug-shortcuts]:
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https://github.com/enso-org/enso/blob/develop/app/gui/docs/product/shortcuts.md#debug
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@ -556,6 +558,7 @@
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[5917]: https://github.com/enso-org/enso/pull/5917
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[5705]: https://github.com/enso-org/enso/pull/5705
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[5959]: https://github.com/enso-org/enso/pull/5959
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[6116]: https://github.com/enso-org/enso/pull/6116
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#### Enso Compiler
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@ -115,6 +115,7 @@ invert_range_selection ranges length needs_sorting =
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merged.
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Empty subranges are discarded.
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sort_and_merge_ranges : Vector Range -> Vector Range
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sort_and_merge_ranges ranges =
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sorted = ranges.filter (range-> range.is_empty.not) . sort on=(.start)
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if sorted.is_empty then [] else
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@ -15,13 +15,11 @@ import project.Data.Text.Location.Location
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import project.Data.Text.Matching_Mode.Matching_Mode
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import project.Data.Text.Regex.Match.Match
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import project.Data.Text.Regex.Regex_Mode.Regex_Mode
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import project.Data.Text.Regex_Matcher.Regex_Matcher
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import project.Data.Text.Regex_2
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import project.Data.Text.Regex_2.Regex_Syntax_Error
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import project.Data.Text.Span.Span
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import project.Data.Text.Span.Utf_16_Span
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import project.Data.Text.Text
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import project.Data.Text.Text_Matcher.Text_Matcher
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import project.Data.Text.Text_Sub_Range.Codepoint_Ranges
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import project.Data.Text.Text_Sub_Range.Text_Sub_Range
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import project.Data.Vector.Vector
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@ -237,7 +235,7 @@ Text.find self pattern=".*" case_sensitivity=Case_Sensitivity.Sensitive =
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Helpers.regex_assume_default_locale case_sensitivity <|
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case_insensitive = case_sensitivity.is_case_insensitive_in_memory
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compiled_pattern = Regex_2.compile pattern case_insensitive=case_insensitive
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compiled_pattern.if_not_error <| compiled_pattern.match self
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compiled_pattern.match self
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## Finds all the matches of the regular expression `pattern` in `self`,
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returning a Vector. If not found, will be an empty Vector.
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@ -265,7 +263,7 @@ Text.find_all self pattern=".*" case_sensitivity=Case_Sensitivity.Sensitive =
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Helpers.regex_assume_default_locale case_sensitivity <|
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case_insensitive = case_sensitivity.is_case_insensitive_in_memory
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compiled_pattern = Regex_2.compile pattern case_insensitive=case_insensitive
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compiled_pattern.if_not_error <| compiled_pattern.match_all self
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compiled_pattern.match_all self
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## ALIAS Check Matches
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@ -296,7 +294,7 @@ Text.match self pattern=".*" case_sensitivity=Case_Sensitivity.Sensitive =
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Helpers.regex_assume_default_locale case_sensitivity <|
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case_insensitive = case_sensitivity.is_case_insensitive_in_memory
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compiled_pattern = Regex_2.compile pattern case_insensitive=case_insensitive
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compiled_pattern.if_not_error <| compiled_pattern.matches self
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compiled_pattern.matches self
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## ALIAS Split Text
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@ -305,34 +303,34 @@ Text.match self pattern=".*" case_sensitivity=Case_Sensitivity.Sensitive =
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Arguments:
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- delimiter: The pattern used to split the text.
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- matcher: If a `Text_Matcher`, the text is compared using case-sensitivity
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rules specified in the matcher. If a `Regex_Matcher`, the term is used as a
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regular expression and matched using the associated options.
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- case_sensitivity: Specifies if the text values should be compared case
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sensitively. The values are compared case sensitively by default.
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- only_first: If true, only replace the first match.
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- use_regex: If true, the term is used as a regular expression.
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> Example
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Split the text on any occurrence of the separator `"::"`.
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example_split =
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text = "Namespace::package::package::Type"
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text.split "::" == ["Namespace", "package", "package", "Type"]
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text = "Namespace::package::package::Type"
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text.split "::" == ["Namespace", "package", "package", "Type"]
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> Example
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Split the text on a regex pattern.
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"abc--def==>ghi".split "[-=>]+" Regex_Matcher.Value == ["abc", "def", "ghi"]
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"abc--def==>ghi".split "[-=>]+" use_regex=True == ["abc", "def", "ghi"]
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> Example
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Split the text on any whitespace.
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'abc def\tghi'.split '\\s+' Regex_Matcher.Value == ["abc", "def", "ghi"]
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Text.split : Text -> (Text_Matcher | Regex_Matcher) -> Vector Text
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Text.split self delimiter="," matcher=Text_Matcher.Case_Sensitive = if delimiter.is_empty then Error.throw (Illegal_Argument.Error "The delimiter cannot be empty.") else
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case matcher of
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_ : Text_Matcher ->
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delimiters = Vector.from_polyglot_array <| case matcher of
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Text_Matcher.Case_Sensitive ->
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'abc def\tghi'.split '\\s+' use_regex=True == ["abc", "def", "ghi"]
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Text.split : Text -> Case_Sensitivity -> Boolean -> Boolean -> Vector Text | Illegal_Argument
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Text.split self delimiter="," case_sensitivity=Case_Sensitivity.Sensitive only_first=False use_regex=False = if delimiter.is_empty then Error.throw (Illegal_Argument.Error "The delimiter cannot be empty.") else
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case use_regex of
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False ->
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delimiters = Vector.from_polyglot_array <| case case_sensitivity of
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Case_Sensitivity.Sensitive ->
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Text_Utils.span_of_all self delimiter
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Text_Matcher.Case_Insensitive locale ->
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Case_Sensitivity.Insensitive locale ->
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Text_Utils.span_of_all_case_insensitive self delimiter locale.java_locale
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Vector.new delimiters.length+1 i->
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start = if i == 0 then 0 else
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@ -340,9 +338,11 @@ Text.split self delimiter="," matcher=Text_Matcher.Case_Sensitive = if delimiter
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end = if i == delimiters.length then (Text_Utils.char_length self) else
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delimiters.at i . codeunit_start
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Text_Utils.substring self start end
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_ : Regex_Matcher ->
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compiled_pattern = matcher.compile delimiter
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compiled_pattern.split self mode=Regex_Mode.All
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True ->
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Helpers.regex_assume_default_locale case_sensitivity <|
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case_insensitive = case_sensitivity.is_case_insensitive_in_memory
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compiled_pattern = Regex_2.compile delimiter case_insensitive=case_insensitive
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compiled_pattern.split self only_first
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## ALIAS Replace Text
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Perform a text or regex replace.
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@ -360,9 +360,8 @@ Text.split self delimiter="," matcher=Text_Matcher.Case_Sensitive = if delimiter
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Arguments:
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- term: The string or regex to find.
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- replacement: The text to replace matches with.
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- case_insensitive: Enables or disables case-insensitive matching. Case
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insensitive matching behaves as if it normalises the case of all input
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text before matching on it.
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- case_sensitivity: Specifies if the text values should be compared case
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sensitively.
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- only_first: If True, only replace the first match.
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- use_regex: If true, the term is used as a regular expression.
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@ -438,8 +437,7 @@ Text.replace self term replacement case_sensitivity=Case_Sensitivity.Sensitive o
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Helpers.regex_assume_default_locale case_sensitivity <|
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case_insensitive = case_sensitivity.is_case_insensitive_in_memory
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compiled_pattern = Regex_2.compile term case_insensitive=case_insensitive
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compiled_pattern.if_not_error <|
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compiled_pattern.replace self replacement only_first
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compiled_pattern.replace self replacement only_first
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## ALIAS Get Words
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@ -17,6 +17,7 @@ import project.Nothing.Nothing
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import project.Polyglot.Polyglot
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from project.Data.Boolean import Boolean, True, False
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from project.Data.Index_Sub_Range import sort_and_merge_ranges
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polyglot java import org.enso.base.Replacer_Cache
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polyglot java import org.enso.base.Text_Utils
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@ -66,7 +67,7 @@ type Pattern_2
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go it = case it.next of
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Match_Iterator_Value.Next _ match next_it ->
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builder.append match
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go next_it
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@Tail_Call go next_it
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Match_Iterator_Value.Last _ -> Nothing
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go it
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builder.to_vector
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@ -93,6 +94,79 @@ type Pattern_2
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find_all self input =
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self.match_all input . map match_to_group_maybe
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## ADVANCED
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Splits the `input` text based on the pattern described by `self`.
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Arguments:
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- input: The text to split based on the pattern described by `self`.
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- only_first: If True, only split at the first occurrence.
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This method will _always_ return a vector. If no splits take place, the
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vector will contain a single element (equal to the original string).
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> Example
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Split on the first instance of the pattern.
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pattern = Regex_2.compile "cd"
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input = "abcdefcdghij"
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texts = pattern.split input only_first=True
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texts . should_equal ["ab", "efcdghij"]
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> Example
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Split on the all instances of the pattern in the input.
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pattern = Regex_2.compile "a"
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input = "bacadaeaf"
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texts = pattern.split input
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texts . should_equal ["b", "c", "d", "e", "f"]
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> Example
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Returns the original text if there are no matches.
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pattern = Regex_2.compile "aa"
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input = "abcdefghij"
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texts = pattern.split input
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texts . should_equal ["abcdefghij"]
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split : Text -> Boolean -> Vector Text
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split self input only_first=False =
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builder = Vector.new_builder
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it = Match_Iterator.new self input
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go next = case next of
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Match_Iterator_Value.Next filler _ next_it ->
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builder.append filler.text
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next = if only_first then next_it.early_exit else next_it.next
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@Tail_Call go next
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Match_Iterator_Value.Last filler ->
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builder.append filler.text
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go it.next
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builder.to_vector
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## ADVANCED
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Takes an input string and returns all the matches as a `Vector Text`.
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If the pattern contains marked groups, the values are concatenated
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together; otherwise the whole match is returned.
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Arguments:
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- input: The text to tokenize.
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> Example
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Split to blocks of 3 characters.
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Regex_2.compile '...' . tokenize 'ABCDEF' == ['ABC','DEF']
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> Example
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Split to blocks of 3 characters taking first and third letters.
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Regex_2.compile '(.).(.)' . tokenize 'ABCDEF' == ['AC','DF']
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> Example
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Split a text on any white space.
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Regex_2.compile '(\S+)(?:\s+|$)' . tokenize 'Hello Big\r\nWide\tWorld\nGoodbye!'
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== ['Hello','Big','Wide','World','Goodbye!']
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tokenize : Text -> Vector Text
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tokenize self input =
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self.match_all input . map (build_tokenization_output_from_match self _)
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## ADVANCED
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Replace all occurrences of the pattern described by `self` in the `input`
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@ -150,7 +224,6 @@ type Pattern_2
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pattern = Regex_2.compile "([a-z]+)"
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pattern.replace "foo bar, baz" "[$1]" == "[foo] [bar], [baz]"
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replace : Text -> Text -> Boolean -> Text
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replace self input replacement only_first=False =
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it = Match_Iterator.new self input
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@ -329,3 +402,22 @@ read_group_map polyglot_map name =
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match_to_group_maybe : Match_2 | Nothing -> Text | Nothing
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match_to_group_maybe match =
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if match.is_nothing then Nothing else match.text 0
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## PRIVATE
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Build an output string from a Match_2 resulting from `tokenize`.
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See `tokenize`.
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build_tokenization_output_from_match : Pattern_2 -> Match_2 -> Text
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build_tokenization_output_from_match pattern match =
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if pattern.group_count == 1 then match.text 0 else
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# Extract the ranges of the spans of all capturing groups
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group_numbers = 1.up_to pattern.group_count
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spans = group_numbers.map n-> match.span n
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ranges = spans.map span-> case span of Span.Value range _ -> range
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# Eliminate nested capturing groups by sorting and merging the ranges.
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top_level_ranges = sort_and_merge_ranges ranges
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# Reconstruct `Spans` from the synthesized `Ranges`, and concatenate.
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text_all = case spans.at 0 of Span.Value _ text -> text
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top_level_spans = top_level_ranges.map range-> Span.Value range text_all
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top_level_spans.map (.text) . join
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@ -8,6 +8,7 @@ import Standard.Base.Data.Text.Regex_2
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import Standard.Base.Data.Text.Regex_2.No_Such_Group
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import Standard.Base.Data.Text.Regex_2.Regex_Syntax_Error
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import Standard.Base.Errors.Illegal_Argument.Illegal_Argument
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import Standard.Base.IO
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from Standard.Base.Data.Text.Regex.Replacer import get_lru_size, replacer_cache_lookup
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@ -17,6 +18,13 @@ import Standard.Test.Extensions
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polyglot java import org.enso.base.Replacer_Cache
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spec =
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Test.group "gmt" <|
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Test.specify "asdf" <|
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IO.println <| Regex_2.compile 's\u{301}' . replace 'sśs\u{301}' '-'
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IO.println <| Regex_2.compile 'a\u{301}' . match_all "aááêe xêy"
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#Regex_2.compile 'a\u{301}+' . tokenize "aááêe xêy" . should_equal ["ááê", "ê"]
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Regex_2.compile 'a\u{301}+' . tokenize 'aa\u{301}a\u{301}êe xêy' . should_equal ['a\u{301}', 'a\u{301}']
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Test.group "Compile" <|
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Test.specify "should be able to be compiled" <|
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pattern = Regex_2.compile "(?<dots>..)" case_insensitive=True
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@ -136,55 +144,77 @@ spec =
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pattern = Regex_2.compile ""
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pattern.find_all "ABC" . should_fail_with Illegal_Argument
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##
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Test.group "The default regex engine's Pattern.split" <|
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engine = Default_Engine.new
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Test.group "Pattern_2.split" <|
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Test.specify "should be able to `split` on the first instance of the pattern" <|
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pattern = Regex_2.compile "cd"
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input = "abcdefcdghij"
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texts = pattern.split input only_first=True
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texts . should_equal ["ab", "efcdghij"]
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Test.specify "should be able to `split` on the first instance of the pattern" <|
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pattern = engine.compile "cd" []
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input = "abcdefghij"
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match = pattern.split input mode=Matching_Mode.First
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match.length . should_equal 2
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match.at 0 . should_equal "ab"
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match.at 1 . should_equal "efghij"
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Test.specify "should return the original text if there are no matches in first mode" <|
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pattern = Regex_2.compile "aa"
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input = "abcdefghij"
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texts = pattern.split input only_first=True
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texts . should_equal ["abcdefghij"]
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Test.specify "should return the original text if there are no matches in first mode" <|
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pattern = engine.compile "(aa)" []
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input = "abcdefghij"
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match = pattern.split input mode=Matching_Mode.First
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match . should_equal ["abcdefghij"]
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Test.specify "should return the original text if there are no matches in all mode" <|
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pattern = Regex_2.compile "aa"
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input = "abcdefghij"
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texts = pattern.split input
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texts . should_equal ["abcdefghij"]
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Test.specify "should be able to `split` on at most N instances of the pattern in the input" <|
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pattern = engine.compile "a" []
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input = "bacadaeaf"
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match = pattern.split input mode=3
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match.length . should_equal 4
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match.at 0 . should_equal "b"
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match.at 1 . should_equal "c"
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match.at 2 . should_equal "d"
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match.at 3 . should_equal "eaf"
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Test.specify "should be able to `split` on the all instances of the pattern in the input" <|
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pattern = Regex_2.compile "a"
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pattern.split "bacadaeaf" . should_equal ["b", "c", "d", "e", "f"]
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pattern.split "baab" . should_equal ["b", "", "b"]
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pattern.split "aaa" . should_equal ["", "", "", ""]
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pattern.split "" . should_equal [""]
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pattern.split "a" . should_equal ["", ""]
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pattern.split "abaca" . should_equal ["", "b", "c", ""]
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Test.specify "should `split` on fewer than N instances when there are fewer than N in the input" <|
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pattern = engine.compile "a" []
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input = "bacadaeaf"
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match = pattern.split input mode=10
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match.length . should_equal 5
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match.at 0 . should_equal "b"
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match.at 1 . should_equal "c"
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match.at 2 . should_equal "d"
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match.at 3 . should_equal "e"
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match.at 4 . should_equal "f"
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Test.specify "should split without normalization" <|
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pattern = Regex_2.compile "s"
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pattern.split 'aśsśs\u{301}śb' . should_equal ['aś', 'ś', '\u{301}śb']
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Test.specify "should be able to `split` on the all instances of the pattern in the input" <|
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pattern = engine.compile "(a)" []
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input = "bacadaeaf"
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match = pattern.split input mode=Regex_Mode.All
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match.length . should_equal 5
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match.at 0 . should_equal "b"
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match.at 1 . should_equal "c"
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match.at 2 . should_equal "d"
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match.at 3 . should_equal "e"
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match.at 4 . should_equal "f"
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Test.group "Pattern_2.tokenize" <|
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Test.specify "can tokenize simple regexes without capturing groups"
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Regex_2.compile "[a-z]+" . tokenize "1-800-regex-yes" . should_equal ["regex", "yes"]
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Regex_2.compile "[a-z]+" case_insensitive=True . tokenize "1-800-REGEX-YES" . should_equal ["REGEX", "YES"]
|
||||
Regex_2.compile "\d\d" . tokenize "12 hi345 67r890r" . should_equal ["12", "34", "67", "89"]
|
||||
|
||||
Test.specify "can tokenize regexes with capturing groups"
|
||||
Regex_2.compile "(\d\d)\d" . tokenize "12 hi345 67r890r" . should_equal ["34", "89"]
|
||||
Regex_2.compile "[a-z]+(\d+)" . tokenize "xy blink182 !!matchbox20 foo" . should_equal ["182", "20"]
|
||||
Regex_2.compile "[a-z]+(\d*)" . tokenize "xy blink182 !!matchbox20 foo" . should_equal ["", "182", "20", ""]
|
||||
|
||||
Test.specify "ignores non-capturing groups"
|
||||
Regex_2.compile "(?:(\d\d)\d)" . tokenize "12 hi345 67r890r" . should_equal ["34", "89"]
|
||||
Regex_2.compile "(\d\d)(?:\d)" . tokenize "12 hi345 67r890r" . should_equal ["34", "89"]
|
||||
Regex_2.compile "(?:[a-z]+)(\d+)" . tokenize "xy blink182 !!matchbox20 foo" . should_equal ["182", "20"]
|
||||
|
||||
Test.specify "ignores nested groups"
|
||||
Regex_2.compile "(\d(\d))\d" . tokenize "12 hi345 67r890r" . should_equal ["34", "89"]
|
||||
Regex_2.compile "[a-z]+((\d)\d*)" . tokenize "xy blink182 !!matchbox20 foo" . should_equal ["182", "20"]
|
||||
Regex_2.compile "\d(\d(\d\d)\d)\d" . tokenize "012345678901" . should_equal ["1234", "7890"]
|
||||
|
||||
Test.specify "handles unicode" <|
|
||||
Regex_2.compile "[áê]+" . tokenize "aááêe xêy" . should_equal ["ááê", "ê"]
|
||||
#fail
|
||||
#Regex_2.compile '[a\u{301}e\u{301}]+' . tokenize 'aááêe xêy' . should_equal ['a\u{301}a\u{301}e\u{301}', 'e\u{301}']
|
||||
#Regex_2.compile '(?:a\u{301})+' . tokenize 'aááêe xêy' . should_equal ['a\u{301}a\u{301}']
|
||||
#Regex_2.compile 'a\u{301}' . tokenize 'aááêe xêy' . should_equal ['a\u{301}', 'a\u{301}']
|
||||
# Wrong
|
||||
Regex_2.compile 'a\u{301}+' . tokenize 'aa\u{301}a\u{301}êe xêy' . should_equal ['a\u{301}', 'a\u{301}']
|
||||
# Fails
|
||||
Regex_2.compile '(?:a\u{301})+' . tokenize 'aa\u{301}a\u{301}êe xêy' . should_equal ['a\u{301}', 'a\u{301}']
|
||||
# fails
|
||||
#Regex_2.compile "a\u{301}+" . tokenize "aááêe xêy" . should_equal ["ááê", "ê"]
|
||||
Regex_2.compile "x([áê]+)y" . tokenize "xáy xêy" . should_equal ["á", "ê"]
|
||||
|
||||
Test.specify "examples are correct" <|
|
||||
Regex_2.compile "..." . tokenize "ABCDEF" . should_equal ["ABC","DEF"]
|
||||
Regex_2.compile "(.).(.)" . tokenize "ABCDEF" . should_equal ["AC","DF"]
|
||||
Regex_2.compile "(\S+)(?:\s+|$)" . tokenize 'Hello Big\r\nWide\tWorld\nGoodbye!' . should_equal ["Hello","Big","Wide","World","Goodbye!"]
|
||||
|
||||
Test.group "Pattern_2.replace" <|
|
||||
Test.specify "should be able to `replace` the first instance of the pattern in the input" <|
|
||||
|
@ -242,30 +242,42 @@ spec =
|
||||
'abc'.split '' . should_fail_with Illegal_Argument
|
||||
|
||||
Test.specify "should be able to split the text on arbitrary text sequence, case-insensitively" <|
|
||||
matcher = Text_Matcher.Case_Insensitive
|
||||
"AbCdABCDabDCba" . split "ab" matcher . should_equal ["", "Cd", "CD", "DCba"]
|
||||
"abc".split "d" matcher . should_equal ["abc"]
|
||||
"AAA".split "a" matcher . should_equal ["", "", "", ""]
|
||||
"baB".split "b" matcher . should_equal ["", "a", ""]
|
||||
"".split "a" matcher . should_equal [""]
|
||||
'aŚbS\u{301}c'.split 'ś' matcher . should_equal ['a', 'b', 'c']
|
||||
'abc'.split '' matcher . should_fail_with Illegal_Argument
|
||||
"AbCdABCDabDCba" . split "ab" case_sensitivity=Case_Sensitivity.Insensitive . should_equal ["", "Cd", "CD", "DCba"]
|
||||
"abc".split "d" case_sensitivity=Case_Sensitivity.Insensitive . should_equal ["abc"]
|
||||
"AAA".split "a" case_sensitivity=Case_Sensitivity.Insensitive . should_equal ["", "", "", ""]
|
||||
"baB".split "b" case_sensitivity=Case_Sensitivity.Insensitive . should_equal ["", "a", ""]
|
||||
"".split "a" case_sensitivity=Case_Sensitivity.Insensitive . should_equal [""]
|
||||
'aŚbS\u{301}c'.split 'ś' case_sensitivity=Case_Sensitivity.Insensitive . should_equal ['a', 'b', 'c']
|
||||
'abc'.split '' case_sensitivity=Case_Sensitivity.Insensitive . should_fail_with Illegal_Argument
|
||||
|
||||
Test.specify "should be able to split the text on Regex patterns" <|
|
||||
"cababdabe" . split "ab" (Regex_Matcher.Value case_sensitivity=Case_Sensitivity.Sensitive) . should_equal ["c", "", "d", "e"]
|
||||
"cababdabe" . split "(ab)+" (Regex_Matcher.Value case_sensitivity=Case_Sensitivity.Sensitive) . should_equal ["c", "d", "e"]
|
||||
"abc" . split "[a-z]" (Regex_Matcher.Value case_sensitivity=Case_Sensitivity.Sensitive) . should_equal ["", "", "", ""]
|
||||
"abc--def==>ghi".split "[-=>]+" (Regex_Matcher.Value case_sensitivity=Case_Sensitivity.Sensitive) == ["abc", "def", "ghi"]
|
||||
"abc".split "." (Regex_Matcher.Value case_sensitivity=Case_Sensitivity.Sensitive) . should_equal ["", "", "", ""]
|
||||
"abc".split "d" (Regex_Matcher.Value case_sensitivity=Case_Sensitivity.Sensitive) . should_equal ["abc"]
|
||||
".a.".split "\." (Regex_Matcher.Value case_sensitivity=Case_Sensitivity.Sensitive) . should_equal ["", "a", ""]
|
||||
"".split "a" (Regex_Matcher.Value case_sensitivity=Case_Sensitivity.Sensitive) . should_equal [""]
|
||||
'aśbs\u{301}c'.split 'ś' (Regex_Matcher.Value case_sensitivity=Case_Sensitivity.Sensitive) . should_equal ['a', 'b', 'c']
|
||||
'abc'.split '' (Regex_Matcher.Value case_sensitivity=Case_Sensitivity.Sensitive) . should_fail_with Illegal_Argument
|
||||
"cababdabe" . split "ab" use_regex=True . should_equal ["c", "", "d", "e"]
|
||||
"cababdabe" . split "(ab)+" use_regex=True . should_equal ["c", "d", "e"]
|
||||
"abc" . split "[a-z]" use_regex=True . should_equal ["", "", "", ""]
|
||||
"abc--def==>ghi".split "[-=>]+" use_regex=True == ["abc", "def", "ghi"]
|
||||
"abc".split "." use_regex=True . should_equal ["", "", "", ""]
|
||||
"abc".split "d" use_regex=True . should_equal ["abc"]
|
||||
".a.".split "\." use_regex=True . should_equal ["", "a", ""]
|
||||
"".split "a" use_regex=True . should_equal [""]
|
||||
'abc'.split '' use_regex=True . should_fail_with Illegal_Argument
|
||||
|
||||
Test.specify "should be able to split the text on Regex patterns, case-insensitively" <|
|
||||
"CAbaBDaBe" . split "ab" use_regex=True case_sensitivity=Case_Sensitivity.Insensitive . should_equal ["C", "", "D", "e"]
|
||||
"caBAbdAbe" . split "(ab)+" use_regex=True case_sensitivity=Case_Sensitivity.Insensitive . should_equal ["c", "d", "e"]
|
||||
"ABc" . split "[a-z]" use_regex=True case_sensitivity=Case_Sensitivity.Insensitive . should_equal ["", "", "", ""]
|
||||
|
||||
Test.specify "regex and non-regex `split` handle accented grapheme splitting differently" <|
|
||||
'aśbs\u{301}c'.split 'ś' use_regex=True . should_equal ['a', 'bs\u{301}c']
|
||||
'aśbs\u{301}c'.split 'ś' . should_equal ['a', 'b', 'c']
|
||||
|
||||
Test.specify "should be able to split the text on UTF-8 whitespace" <|
|
||||
utf_8_whitespace.split "\s+" (Regex_Matcher.Value case_sensitivity=Case_Sensitivity.Sensitive) . should_equal utf_8_whitespace_split
|
||||
'abc def\tghi'.split '\\s+' (Regex_Matcher.Value case_sensitivity=Case_Sensitivity.Sensitive) . should_equal ["abc", "def", "ghi"]
|
||||
utf_8_whitespace.split "\s+" use_regex=True . should_equal utf_8_whitespace_split
|
||||
'abc def\tghi'.split '\\s+' use_regex=True . should_equal ["abc", "def", "ghi"]
|
||||
|
||||
Test.specify "exmples should be correct" <|
|
||||
"Namespace::package::package::Type".split "::" . should_equal ["Namespace", "package", "package", "Type"]
|
||||
"abc--def==>ghi".split "[-=>]+" use_regex=True . should_equal ["abc", "def", "ghi"]
|
||||
'abc def\tghi'.split '\\s+' use_regex=True . should_equal ["abc", "def", "ghi"]
|
||||
|
||||
Test.specify "should convert any type to text automatically and using provided methods" <|
|
||||
t = Auto.Value (Manual.Value 123) . to_text
|
||||
@ -1363,53 +1375,26 @@ spec =
|
||||
|
||||
Test.group "Regex splitting" <|
|
||||
Test.specify "should be possible on text" <|
|
||||
splits = "abcde".split "[bd]" Regex_Matcher.Value
|
||||
splits = "abcde".split "[bd]" use_regex=True
|
||||
splits.length . should_equal 3
|
||||
splits.at 0 . should_equal "a"
|
||||
splits.at 1 . should_equal "c"
|
||||
splits.at 2 . should_equal "e"
|
||||
|
||||
Test.specify "should be possible on unicode text" <|
|
||||
match = "Korean: 건반 (hangul)".split " " Regex_Matcher.Value
|
||||
match = "Korean: 건반 (hangul)".split " " use_regex=True
|
||||
match.length . should_equal 3
|
||||
match.at 0 . should_equal "Korean:"
|
||||
match.at 1 . should_equal "건반"
|
||||
match.at 2 . should_equal "(hangul)"
|
||||
|
||||
Test.specify "should be possible in ascii mode" <|
|
||||
splits = "İiİ".split "\w" (Regex_Matcher.Value match_ascii=True)
|
||||
splits.length . should_equal 2
|
||||
splits.at 0 . should_equal "İ"
|
||||
splits.at 1 . should_equal "İ"
|
||||
|
||||
Test.specify "should be possible in case-insensitive mode" <|
|
||||
splits = "abaBa".split "b" (Regex_Matcher.Value case_sensitivity=Case_Sensitivity.Insensitive)
|
||||
splits = "abaBa".split "b" use_regex=True case_sensitivity=Case_Sensitivity.Insensitive
|
||||
splits.length . should_equal 3
|
||||
splits.at 0 . should_equal "a"
|
||||
splits.at 1 . should_equal "a"
|
||||
splits.at 2 . should_equal "a"
|
||||
|
||||
Test.specify "should be possible in dot_matches_newline mode" <|
|
||||
splits = 'ab\nabcd'.split "b." (Regex_Matcher.Value dot_matches_newline=True)
|
||||
splits.length . should_equal 3
|
||||
splits.at 0 . should_equal "a"
|
||||
splits.at 1 . should_equal "a"
|
||||
splits.at 2 . should_equal "d"
|
||||
|
||||
Test.specify "should be possible in multiline mode" <|
|
||||
text = """
|
||||
Foo
|
||||
bar
|
||||
match = text.split "$" (Regex_Matcher.Value multiline=True)
|
||||
match.length . should_equal 3
|
||||
|
||||
Test.specify "should be possible in comments mode" <|
|
||||
splits = "abcde".split "[bd] # Split on the letters `b` and `d`" (Regex_Matcher.Value comments=True)
|
||||
splits.length . should_equal 3
|
||||
splits.at 0 . should_equal "a"
|
||||
splits.at 1 . should_equal "c"
|
||||
splits.at 2 . should_equal "e"
|
||||
|
||||
Test.group "Text.replace" <|
|
||||
Test.specify "should work as in examples" <|
|
||||
'aaa'.replace 'aa' 'b' . should_equal 'ba'
|
||||
@ -1486,7 +1471,7 @@ spec =
|
||||
|
||||
"Korean: 건반".replace "건반" "keyboard" . should_equal "Korean: keyboard"
|
||||
|
||||
Test.specify "regex and non-regex replace handle accented grapheme splitting differently" <|
|
||||
Test.specify "regex and non-regex `replace` handle accented grapheme splitting differently" <|
|
||||
'sśs\u{301}' . replace 's' 'O' . should_equal 'Ośs\u{301}'
|
||||
'sśs\u{301}' . replace 's' 'O' use_regex=True . should_equal 'OśO\u{301}'
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user