Rope class
A high-fanout B-tree rope.
Leaves contain bounded Unicode chunks. Internal nodes cache character and newline counts, allowing edits and line/character seeks to descend the tree without materialising the document.
Properties
-
bidiSegments
→ List<
BiDiSegment> -
no setter
-
cachedLines
→ List<
String> -
no setter
- containsRtl → bool
-
no setter
- core → Rope
-
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- isLtr → bool
-
no setter
- isMixed → bool
-
no setter
- isRtl → bool
-
no setter
- length → int
-
no setter
- lineCount → int
-
no setter
-
lines
→ Iterable<
String> -
no setter
- primaryDirection → TextDirection
-
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- selection → TextSelection
-
no setter
- textDirection → TextDirection
-
no setter
Methods
-
cachedLinesRange(
int startLine, int endLine) → List< String> -
charAt(
int position) → String -
concatImmutable(
Rope other) → Rope -
copy(
) → Rope -
delete(
int start, int end) → void -
deleteImmutable(
int start, int end) → Rope -
findLineEnd(
int offset) → int -
findLineStart(
int offset) → int -
getBiDiSegmentsForLine(
int lineIndex) → List< BiDiSegment> -
getBiDiSegmentsInRange(
int start, int end) → List< BiDiSegment> -
getLineAtOffset(
int charOffset) → int -
getLineStartOffset(
int lineIndex) → int -
getLineText(
int lineIndex) → String -
getRtlSegments(
) → List< (int, int)> -
getText(
) → String -
insert(
int position, String text) → void -
insertImmutable(
int position, String text) → Rope -
lineLengthAt(
int lineIndex) → int -
lineLengths(
) → List< int> -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
replaceRangeAndUpdateSelection(
{required int start, required int end, required String replacement, required bool preserveOldCursor, required int oldBase, required int oldExtent}) → SelectionState -
setSelection(
TextSelection value) → void -
slice(
int start, int end) → String -
splitImmutable(
int position) → (Rope, Rope) -
substring(
int start, [int? end]) → String -
toString(
) → String -
A string representation of this object.
inherited
-
toStringWithBiDiControls(
) → String
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited