UnicodeSetSpanner Class
Definition
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A helper class used to count, replace, and trim CharSequences based on UnicodeSet matches.
[Android.Runtime.Register("android/icu/text/UnicodeSetSpanner", ApiSince=24, DoNotGenerateAcw=true)]
public class UnicodeSetSpanner : Java.Lang.Object[<Android.Runtime.Register("android/icu/text/UnicodeSetSpanner", ApiSince=24, DoNotGenerateAcw=true)>]
type UnicodeSetSpanner = class
inherit Object- Inheritance
- Attributes
Remarks
A helper class used to count, replace, and trim CharSequences based on UnicodeSet matches. An instance is immutable (and thus thread-safe) iff the source UnicodeSet is frozen.
<b>Note:</b> The counting, deletion, and replacement depend on alternating a SpanCondition with its inverse. That is, the code spans, then spans for the inverse, then spans, and so on. For the inverse, the following mapping is used: <ul> <li>UnicodeSet.SpanCondition#SIMPLE → UnicodeSet.SpanCondition#NOT_CONTAINED</li> <li>UnicodeSet.SpanCondition#CONTAINED → UnicodeSet.SpanCondition#NOT_CONTAINED</li> <li>UnicodeSet.SpanCondition#NOT_CONTAINED → UnicodeSet.SpanCondition#SIMPLE</li> </ul> These are actually not complete inverses. However, the alternating works because there are no gaps. For example, with [a{ab}{bc}], you get the following behavior when scanning forward:
<table border="1"> <tr><th>SIMPLE</th><td>xxx[ab]cyyy</td></tr> <tr><th>CONTAINED</th><td>xxx[abc]yyy</td></tr> <tr><th>NOT_CONTAINED</th><td>[xxx]ab[cyyy]</td></tr> </table>
So here is what happens when you alternate:
<table border="1"> <tr><th>start</th><td>|xxxabcyyy</td></tr> <tr><th>NOT_CONTAINED</th><td>xxx|abcyyy</td></tr> <tr><th>CONTAINED</th><td>xxxabc|yyy</td></tr> <tr><th>NOT_CONTAINED</th><td>xxxabcyyy|</td></tr> </table>
The entire string is traversed.
Java documentation for android.icu.text.UnicodeSetSpanner.
Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.
Constructors
| Name | Description |
|---|---|
| UnicodeSetSpanner(IntPtr, JniHandleOwnership) | |
| UnicodeSetSpanner(UnicodeSet) |
Create a spanner from a UnicodeSet. |
Properties
| Name | Description |
|---|---|
| Class |
Returns the runtime class of this |
| Handle |
The handle to the underlying Android instance. (Inherited from Object) |
| JniIdentityHashCode |
Gets the identity hash code assigned to this Java peer by the interop runtime. (Inherited from Object) |
| JniManagedPeerState | (Inherited from JavaObject) |
| JniPeerMembers | |
| PeerReference |
Gets the JNI object reference for this Java peer. (Inherited from Object) |
| ThresholdClass | |
| ThresholdType | |
| UnicodeSet |
Returns the UnicodeSet used for processing. |
Methods
| Name | Description |
|---|---|
| Clone() |
Creates and returns a copy of this object. (Inherited from Object) |
| Construct(JniObjectReference, JniObjectReferenceOptions) | (Inherited from JavaObject) |
| CountIn(ICharSequence, UnicodeSetSpanner+CountMethod, UnicodeSet+SpanCondition) |
Returns the number of matching characters found in a character sequence. |
| CountIn(ICharSequence, UnicodeSetSpanner+CountMethod) |
Returns the number of matching characters found in a character sequence, using SpanCondition.SIMPLE. |
| CountIn(ICharSequence) |
Returns the number of matching characters found in a character sequence, counting by CountMethod. |
| CountIn(String, UnicodeSetSpanner+CountMethod, UnicodeSet+SpanCondition) | |
| CountIn(String, UnicodeSetSpanner+CountMethod) | |
| CountIn(String) |
Returns the number of matching characters found in a character sequence, counting by CountMethod. |
| DeleteFrom(ICharSequence, UnicodeSet+SpanCondition) |
Delete all matching spans in sequence, according to the spanCondition. |
| DeleteFrom(ICharSequence) |
Delete all the matching spans in sequence, using SpanCondition. |
| DeleteFrom(String, UnicodeSet+SpanCondition) | |
| DeleteFrom(String) |
Delete all the matching spans in sequence, using SpanCondition. |
| Dispose() |
Releases the resources held by this Java peer. (Inherited from Object) |
| Dispose(Boolean) |
Releases the resources held by this Java peer. (Inherited from Object) |
| DisposeUnlessReferenced() | (Inherited from JavaObject) |
| Equals(Object) | (Inherited from JavaObject) |
| Equals(Object) |
Indicates whether some other object is "equal to" this one. (Inherited from Object) |
| GetHashCode() |
Returns a hash code value for the object. (Inherited from Object) |
| JavaFinalize() |
Obsolete.
Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. (Inherited from Object) |
| Notify() |
Wakes up a single thread that is waiting on this object's monitor. (Inherited from Object) |
| NotifyAll() |
Wakes up all threads that are waiting on this object's monitor. (Inherited from Object) |
| ReplaceFrom(ICharSequence, ICharSequence, UnicodeSetSpanner+CountMethod, UnicodeSet+SpanCondition) |
Replace all matching spans in sequence by replacement, according to the countMethod and spanCondition. |
| ReplaceFrom(ICharSequence, ICharSequence, UnicodeSetSpanner+CountMethod) |
Replace all matching spans in sequence by replacement, according to the CountMethod, using SpanCondition.SIMPLE. |
| ReplaceFrom(ICharSequence, ICharSequence) |
Replace all matching spans in sequence by the replacement, counting by CountMethod. |
| ReplaceFrom(String, String, UnicodeSetSpanner+CountMethod, UnicodeSet+SpanCondition) | |
| ReplaceFrom(String, String, UnicodeSetSpanner+CountMethod) | |
| ReplaceFrom(String, String) |
Replace all matching spans in sequence by the replacement, counting by CountMethod. |
| SetHandle(IntPtr, JniHandleOwnership) |
Sets the Handle property. (Inherited from Object) |
| SetPeerReference(JniObjectReference, JniObjectReferenceOptions) | (Inherited from JavaObject) |
| ToArray<T>() |
Creates a managed array from this Java array wrapper. (Inherited from Object) |
| ToString() |
Returns a string representation of the object. (Inherited from Object) |
| Trim(String, UnicodeSetSpanner+TrimOption, UnicodeSet+SpanCondition) | |
| Trim(String, UnicodeSetSpanner+TrimOption) | |
| Trim(String) |
Returns a trimmed sequence (using CharSequence. |
| TrimFormatted(ICharSequence, UnicodeSetSpanner+TrimOption, UnicodeSet+SpanCondition) |
Returns a trimmed sequence (using CharSequence.subSequence()), that omits matching elements at the start or end of the string, depending on the trimOption and spanCondition. |
| TrimFormatted(ICharSequence, UnicodeSetSpanner+TrimOption) |
Returns a trimmed sequence (using CharSequence.subSequence()), that omits matching elements at the start or end of the string, using the trimOption and SpanCondition.SIMPLE. |
| TrimFormatted(ICharSequence) |
Returns a trimmed sequence (using CharSequence. |
| UnregisterFromRuntime() |
Unregisters this Java peer from the interop runtime. (Inherited from Object) |
| Wait() |
Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>. (Inherited from Object) |
| Wait(Int64, Int32) |
Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>, or until a certain amount of real time has elapsed. (Inherited from Object) |
| Wait(Int64) |
Causes the current thread to wait until it is awakened, typically by being <em>notified</em> or <em>interrupted</em>, or until a certain amount of real time has elapsed. (Inherited from Object) |
Explicit Interface Implementations
| Name | Description |
|---|---|
| IJavaPeerable.Disposed() | (Inherited from JavaObject) |
| IJavaPeerable.Finalized() | (Inherited from JavaObject) |
| IJavaPeerable.JniObjectReferenceControlBlock | (Inherited from JavaObject) |
| IJavaPeerable.SetJniIdentityHashCode(Int32) | (Inherited from JavaObject) |
| IJavaPeerable.SetJniManagedPeerState(JniManagedPeerStates) | (Inherited from JavaObject) |
| IJavaPeerable.SetPeerReference(JniObjectReference) | (Inherited from JavaObject) |
Extension Methods
| Name | Description |
|---|---|
| GetJniTypeName(IJavaPeerable) |
Gets the JNI name of the type of the instance |
| JavaAs<TResult>(IJavaPeerable) |
Try to coerce |
| JavaCast<TResult>(IJavaObject) |
Performs an Android runtime-checked type conversion. |
| JavaCast<TResult>(IJavaObject) | |
| TryJavaCast<TResult>(IJavaPeerable, TResult) |
Try to coerce |