Buffer

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gnu.jemacs.buffer

Class Buffer

java.lang.Object
- gnu.lists.AbstractSequence<Char>
- - gnu.jemacs.buffer.Buffer

All Implemented Interfaces:

BoundedHashable, CharSeq, Consumable, Sequence<Char>, java.lang.CharSequence, java.lang.Iterable<Char>, java.util.Collection<Char>, java.util.List<Char>

Direct Known Subclasses:

SwingBuffer, SwtBuffer
```
public abstract class Buffer
extends AbstractSequence<Char>
implements CharSeq 
```

Field Summary

Fields
Modifier and Type	Field and Description
`EKeymap[]`	`activeKeymaps`
`static java.util.Hashtable`	`buffers` Map buffer names to buffers.
`static java.util.Hashtable`	`fileBuffers` Map file names to buffer.s
`Marker`	`markMarker`
`Marker`	`pointMarker`

Fields inherited from class gnu.lists.AbstractSequence
noInts

Fields inherited from interface gnu.lists.Sequence
ATTRIBUTE_VALUE, BOOLEAN_VALUE, CDATA_VALUE, CHAR_VALUE, COMMENT_VALUE, DOCUMENT_VALUE, DOUBLE_VALUE, ELEMENT_VALUE, EOF_VALUE, eofValue, FLOAT_VALUE, INT_S16_VALUE, INT_S32_VALUE, INT_S64_VALUE, INT_S8_VALUE, INT_U16_VALUE, INT_U32_VALUE, INT_U64_VALUE, INT_U8_VALUE, OBJECT_VALUE, PRIM_VALUE, PROCESSING_INSTRUCTION_VALUE, TEXT_BYTE_VALUE

Constructor Summary

Constructors
Constructor and Description

Buffer (java.lang.String name)

Constructors
Constructor and Description
`Buffer (java.lang.String name)`

Method Summary

All Methods
Modifier and Type	Method and Description
`void`	`backwardChar (int i)`
`char`	`charAt (int index)` The index is in terms of code units.
`int`	`charWidth (char ch, int column)`
`int`	`checkMark ()`
`static Buffer`	`coerceBuffer (java.lang.Object buf)`
`int`	`countColumns (char[] chars, int start, int count, int initial)`
`int`	`currentColumn ()`
`int`	`currentColumn (int offset)` Return the column number at a specified offset.
`EWindow`	`display (boolean notThisWindow, EFrame frame)`
`static Buffer`	`findFile (java.lang.String fname)`
`void`	`forwardChar (int i)`
`int`	`forwardLine (int lines)`
`long`	`forwardLine (int lines, int start)` Find the position a give number of lines forward or backward.
`static java.lang.String`	`generateNewBufferName (java.lang.String start)`
`static Buffer`	`getBuffer (java.lang.String name)`
`void`	`getChars (int srcBegin, int srcEnd, char[] dst, int dstBegin)` Copy characters into a destination buffer.
`static Buffer`	`getCurrent ()`
`int`	`getDot ()`
`java.lang.String`	`getFileName ()`
`abstract int`	`getLength ()`
`EKeymap`	`getLocalKeymap ()`
`Marker`	`getMarkMarker (boolean force)`
`java.lang.String`	`getName ()`
`gnu.kawa.io.Path`	`getPath ()`
`int`	`getPoint ()`
`Marker`	`getPointMarker (boolean share)`
`boolean`	`getReadOnly ()`
`abstract CharSeq`	`getStringContent ()`
`void`	`insert (char[] chars, int offset, int count, java.lang.Object style, int ipos)` Insert character with given style at position pair.
`void`	`insert (java.lang.Object value, java.lang.Object style)`
`void`	`insert (java.lang.String string, java.lang.Object style)`
`abstract void`	`insert (java.lang.String string, java.lang.Object style, int ipos)` Insert string with given style at position pair.
`void`	`insertAll (java.lang.Object[] values, java.lang.Object style)`
`void`	`insertChar (int ch, int count)` Insert count copies of ch at point.
`void`	`insertChar (int ch, int count, java.lang.Object style)` Insert count copies of ch at point.
`abstract void`	`insertFile (java.io.Reader in)`
`void`	`insertFile (java.lang.String filename)`
`abstract void`	`invoke (java.lang.Runnable doRun)` This is intended for Runnable's that may affect the state of the buffer.
`int`	`length ()` Get length of string, in code units (not characters).
`int`	`lineStartOffset ()`
`abstract int`	`lineStartOffset (int offset)`
`static void`	`makeBufferLocal (java.lang.Object symbol, boolean all)`
`abstract int`	`maxDot ()`
`int`	`minDot ()`
`int`	`moveToColumn (int column, boolean force)`
`abstract gnu.kawa.io.InPort`	`openReader (int start, int count)`
`int`	`positionToOffset (java.lang.Object position)` Convert an Emacs position (Marker, or 1-origin integer) to a (0-origin) buffer offset.
`abstract void`	`redrawModeline ()`
`void`	`removeAll ()`
`void`	`removeChar (int count)`
`abstract void`	`removeRegion (int start, int end)`
`abstract void`	`restorePointMark (long pointMark)`
`void`	`save ()`
`abstract void`	`save (java.io.Writer out)`
`abstract long`	`savePointMark ()`
`abstract long`	`scan (char target, int start, int end, int count, boolean allowQuit)` Search in BUF for COUNT instances of the character TARGET between START and END.
`void`	`setCharacterAt (int index, int ch)`
`void`	`setCharAt (int index, char ch)`
`static void`	`setCurrent (Buffer buffer)`
`void`	`setDot (int i)` Set the current position (point) (0-origin).
`void`	`setFileName (java.lang.String fname)`
`void`	`setLocalKeymap (EKeymap map)`
`void`	`setPath (gnu.kawa.io.Path path)`
`void`	`setPoint (int i)` Set the current position (point) (1-origin).
`void`	`setReadOnly (boolean readOnly)`
`java.lang.CharSequence`	`subSequence (int start, int end)`
`java.lang.String`	`toString ()`
`void`	`writeTo (java.lang.Appendable dest)`
`void`	`writeTo (int start, int count, java.lang.Appendable dest)` Append a specified subsequence to an `Appendable`.

Methods inherited from class gnu.lists.AbstractSequence
add, add, addAll, addAll, addPos, asImmutable, badRank, boundedHash, checkCanWrite, checkRank, clear, compare, compare, compare, consume, consume, consumeNext, consumePosRange, contains, containsAll, copyPos, createPos, createRelativePos, effectiveIndex, effectiveIndex, effectiveIndex, effectiveIndex, effectiveIndex, elements, endPos, equals, equals, fill, fill, fillPosRange, firstAttributePos, firstChildPos, firstChildPos, fromEndIndex, get, get, get, get, get, getAttribute, getAttributeLength, getBooleanRaw, getByteRaw, getCharRaw, getContainingSequenceSize, getDoubleRaw, getElementKind, getFloatRaw, getIndexDifference, getInt, getInt, getInt, getInt, getInt, getIntRaw, getIterator, getIterator, getIteratorAtPos, getLongRaw, getLowBound, getNextKind, getNextTypeName, getNextTypeObject, getPosNext, getPosPrevious, getRaw, getRowMajor, getShortRaw, getSize, getSize, gotoAttributesStart, gotoChildrenStart, gotoParent, hashCode, hasNext, hasPrevious, indexOf, isAfterPos, isEmpty, iterator, lastIndexOf, listIterator, listIterator, nextIndex, nextIndex, nextMatching, nextPos, parentPos, previousPos, rank, releasePos, remove, remove, removeAll, removePos, removePosRange, retainAll, set, set, setAt, setBuffer, setPosNext, setPosPrevious, setRaw, size, stableCompare, startPos, subList, subSequence, subSequencePos, toArray, toArray, toString, unsupported, unsupportedException

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.CharSequence
chars, codePoints

Methods inherited from interface gnu.lists.Sequence
elements, fill, get, getInt, isEmpty, set, size

Methods inherited from interface java.util.List
add, add, addAll, addAll, clear, contains, containsAll, equals, hashCode, indexOf, iterator, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, replaceAll, retainAll, sort, spliterator, subList, toArray, toArray

Methods inherited from interface java.util.Collection
parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable
forEach

Methods inherited from interface gnu.lists.Consumable
consume

Methods inherited from interface gnu.kawa.util.BoundedHashable
boundedHash

- Field Detail
  - pointMarker
```
public Marker pointMarker
```
  - markMarker
```
public Marker markMarker
```
  - buffers
```
public static java.util.Hashtable buffers
```
    Map buffer names to buffers.
  - fileBuffers
```
public static java.util.Hashtable fileBuffers
```
    Map file names to buffer.s
  - activeKeymaps
```
public EKeymap[] activeKeymaps
```
- Constructor Detail
  - Buffer
```
public Buffer(java.lang.String name)
```
- Method Detail
  - getName
```
public java.lang.String getName()
```
  - getPath
```
public gnu.kawa.io.Path getPath()
```
  - setPath
```
public void setPath(gnu.kawa.io.Path path)
```
  - getFileName
```
public java.lang.String getFileName()
```
  - setFileName
```
public void setFileName(java.lang.String fname)
```
  - getStringContent
```
public abstract CharSeq getStringContent()
```
  - charAt
```
public char charAt(int index)
```
    Description copied from interface: CharSeq
    
    The index is in terms of code units.
    
    Specified by:
    
    charAt in interface CharSeq
    
    Specified by:
    
    charAt in interface java.lang.CharSequence
    
    See Also:
    
    CharSeq.charAt(int)
  - setCharAt
```
public void setCharAt(int index,
 char ch)
```
    Specified by:
    
    setCharAt in interface CharSeq
    
    See Also:
    
    CharSeq.setCharAt(int, char)
  - setCharacterAt
```
public void setCharacterAt(int index,
 int ch)
```
    Specified by:
    
    setCharacterAt in interface CharSeq
  - getChars
```
public void getChars(int srcBegin,
 int srcEnd,
 char[] dst,
 int dstBegin)
```
    Description copied from interface: CharSeq
    
    Copy characters into a destination buffer. Same interface as java.lang.String's getChars.
    
    Specified by:
    
    getChars in interface CharSeq
    
    Parameters:
    
    srcBegin - source start position, in 16-bit code units.
    
    srcEnd - source end position, in 16-bit code units.
    
    dst - destination
    
    dstBegin - index (in code units) in dst array
    
    See Also:
    
    CharSeq.getChars(int, int, char[], int)
  - subSequence
```
public java.lang.CharSequence subSequence(int start,
 int end)
```
    Specified by:
    
    subSequence in interface java.lang.CharSequence
  - writeTo
```
public void writeTo(int start,
 int count,
 java.lang.Appendable dest)
 throws java.io.IOException
```
    Description copied from interface: CharSeq
    
    Append a specified subsequence to an Appendable. An allowable implementation is: dest.append(this, start, start+count). Hence implementors of Appendable should avoid calling writeTo - though they can call getChars.
    
    Specified by:
    
    writeTo in interface CharSeq
    
    Throws:
    
    java.io.IOException
    
    See Also:
    
    CharSeq.writeTo(int, int, Appendable)
  - writeTo
```
public void writeTo(java.lang.Appendable dest)
 throws java.io.IOException
```
    Specified by:
    
    writeTo in interface CharSeq
    
    Throws:
    
    java.io.IOException
  - findFile
```
public static Buffer findFile(java.lang.String fname)
```
  - getBuffer
```
public static Buffer getBuffer(java.lang.String name)
```
  - coerceBuffer
```
public static Buffer coerceBuffer(java.lang.Object buf)
```
  - generateNewBufferName
```
public static java.lang.String generateNewBufferName(java.lang.String start)
```
  - redrawModeline
```
public abstract void redrawModeline()
```
  - checkMark
```
public int checkMark()
```
  - getCurrent
```
public static Buffer getCurrent()
```
  - setCurrent
```
public static void setCurrent(Buffer buffer)
```
  - getDot
```
public int getDot()
```
  - getPoint
```
public int getPoint()
```
  - setDot
```
public void setDot(int i)
```
    Set the current position (point) (0-origin).
  - setPoint
```
public final void setPoint(int i)
```
    Set the current position (point) (1-origin).
  - minDot
```
public int minDot()
```
  - getLength
```
public abstract int getLength()
```
  - length
```
public final int length()
```
    Description copied from interface: CharSeq
    
    Get length of string, in code units (not characters). In contract, size() returns the number of 16-bit code points.
    
    Specified by:
    
    length in interface CharSeq
    
    Specified by:
    
    length in interface java.lang.CharSequence
  - maxDot
```
public abstract int maxDot()
```
  - forwardChar
```
public void forwardChar(int i)
```
  - backwardChar
```
public void backwardChar(int i)
```
  - toString
```
public java.lang.String toString()
```
    Specified by:
    
    toString in interface CharSeq
    
    Specified by:
    
    toString in interface java.lang.CharSequence
    
    Overrides:
    
    toString in class AbstractSequence<Char>
  - insert
```
public abstract void insert(java.lang.String string,
 java.lang.Object style,
 int ipos)
```
    Insert string with given style at position pair.
  - insert
```
public void insert(char[] chars,
 int offset,
 int count,
 java.lang.Object style,
 int ipos)
```
    Insert character with given style at position pair.
  - insertAll
```
public void insertAll(java.lang.Object[] values,
 java.lang.Object style)
```
  - insert
```
public void insert(java.lang.String string,
 java.lang.Object style)
```
  - insert
```
public void insert(java.lang.Object value,
 java.lang.Object style)
```
  - insertChar
```
public void insertChar(int ch,
 int count)
```
    Insert count copies of ch at point.
  - insertChar
```
public void insertChar(int ch,
 int count,
 java.lang.Object style)
```
    Insert count copies of ch at point.
  - removeChar
```
public void removeChar(int count)
```
  - removeRegion
```
public abstract void removeRegion(int start,
 int end)
```
  - removeAll
```
public void removeAll()
```
  - getPointMarker
```
public Marker getPointMarker(boolean share)
```
  - getMarkMarker
```
public Marker getMarkMarker(boolean force)
```
  - positionToOffset
```
public int positionToOffset(java.lang.Object position)
```
    Convert an Emacs position (Marker, or 1-origin integer) to a (0-origin) buffer offset.
  - insertFile
```
public abstract void insertFile(java.io.Reader in)
 throws java.lang.Exception
```
    Throws:
    
    java.lang.Exception
  - save
```
public abstract void save(java.io.Writer out)
 throws java.lang.Exception
```
    Throws:
    
    java.lang.Exception
  - save
```
public void save()
```
  - insertFile
```
public void insertFile(java.lang.String filename)
```
  - charWidth
```
public int charWidth(char ch,
 int column)
```
  - countColumns
```
public int countColumns(char[] chars,
 int start,
 int count,
 int initial)
```
  - currentColumn
```
public int currentColumn()
```
  - currentColumn
```
public int currentColumn(int offset)
```
    Return the column number at a specified offset.
  - moveToColumn
```
public int moveToColumn(int column,
 boolean force)
```
  - lineStartOffset
```
public abstract int lineStartOffset(int offset)
```
  - lineStartOffset
```
public int lineStartOffset()
```
  - scan
```
public abstract long scan(char target,
 int start,
 int end,
 int count,
 boolean allowQuit)
```
    Search in BUF for COUNT instances of the character TARGET between START and END. If COUNT is positive, search forwards; END >= START is required. If COUNT is negative, search backwards for the -COUNTth instance; inn this case END <= START is required. If COUNT is zero, do anything you please; run rogue, for all I care. If END is zero, use beginning or end of (FIXME: accessible part of) the buffer, as appropriate for the direction indicated by COUNT. If we find COUNT instances, SHORTAGE is zero, and return the position after the COUNTth match. Note that for reverse motion this is not the same as the usual convention for Emacs motion commands. If we don't find COUNT instances before reaching END, set SHORTAGE to the number of TARGETs left unfound, and return (shortage<<32|END).
    
    Returns:
    
    (SHORTAGE<<32|POS)
  - forwardLine
```
public final long forwardLine(int lines,
 int start)
```
    Find the position a give number of lines forward or backward. A side-effect-free version of Emacs's forward-line function.
    
    Parameters:
    
    lines - number of lines forward (or backward if negative)
    
    start - initial position (buffer offset)
    
    Returns:
    
    (SHORTAGE<<32|POS)
  - forwardLine
```
public int forwardLine(int lines)
```
  - display
```
public EWindow display(boolean notThisWindow,
 EFrame frame)
```
  - makeBufferLocal
```
public static void makeBufferLocal(java.lang.Object symbol,
 boolean all)
```
    Parameters:
    
    all - true if make-variable-buffer-local, false if make-local-variable FIXME
  - getLocalKeymap
```
public EKeymap getLocalKeymap()
```
  - setLocalKeymap
```
public void setLocalKeymap(EKeymap map)
```
  - openReader
```
public abstract gnu.kawa.io.InPort openReader(int start,
 int count)
```
  - savePointMark
```
public abstract long savePointMark()
```
  - restorePointMark
```
public abstract void restorePointMark(long pointMark)
```
  - invoke
```
public abstract void invoke(java.lang.Runnable doRun)
```
    This is intended for Runnable's that may affect the state of the buffer. The implementation should make shure that the GUI is properly updated before control returns
    
    Parameters:
    
    doRun -
  - getReadOnly
```
public boolean getReadOnly()
```
  - setReadOnly
```
public void setReadOnly(boolean readOnly)
```

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Class Buffer

Field Summary

Fields inherited from class gnu.lists.AbstractSequence

Fields inherited from interface gnu.lists.Sequence

Constructor Summary

Method Summary

Methods inherited from class gnu.lists.AbstractSequence

Methods inherited from class java.lang.Object

Methods inherited from interface java.lang.CharSequence

Methods inherited from interface gnu.lists.Sequence

Methods inherited from interface java.util.List

Methods inherited from interface java.util.Collection

Methods inherited from interface java.lang.Iterable

Methods inherited from interface gnu.lists.Consumable

Methods inherited from interface gnu.kawa.util.BoundedHashable

Field Detail

pointMarker

markMarker

buffers

fileBuffers

activeKeymaps

Constructor Detail

Buffer

Method Detail

getName

getPath

setPath

getFileName

setFileName

getStringContent

charAt

setCharAt

setCharacterAt

getChars

subSequence

writeTo

writeTo

findFile

getBuffer

coerceBuffer

generateNewBufferName

redrawModeline

checkMark

getCurrent

setCurrent

getDot

getPoint

setDot

setPoint

minDot

getLength

length

maxDot

forwardChar

backwardChar

toString

insert

insert

insertAll

insert

insert

insertChar

insertChar

removeChar

removeRegion

removeAll

getPointMarker

getMarkMarker

positionToOffset

insertFile

save

save

insertFile

charWidth

countColumns

currentColumn

currentColumn

moveToColumn

lineStartOffset

lineStartOffset