Package jflex.generator
Class PackEmitter
java.lang.Object
jflex.generator.PackEmitter
- Direct Known Subclasses:
CountEmitter
,HiLowEmitter
Encodes
int
arrays as strings.
Also splits up strings when longer than 64K in UTF8 encoding. Subclasses emit unpacking code.
Usage protocol: p.emitInit();
for each data: p.emitData(data);
p.emitUnpack();
- Version:
- JFlex 1.8.2
- Author:
- Gerwin Klein
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Field Summary
FieldsModifier and TypeFieldDescriptionprotected int
number of existing string chunksprotected String
name of the generated array (mixed case, no yy prefix)protected StringBuilder
output buffer -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoid
breaks()
Execute line/chunk break if necessary.protected String
Convert array name into all uppercase internal scanner constant name.void
emitInit()
Emit declaration of decoded member and open first chunk.void
emitUC
(int i) Emit single unicode character.abstract void
Emit the unpacking code.protected void
nl()
emit newlineprotected void
println.toString()
Return current output buffer.
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Field Details
-
name
name of the generated array (mixed case, no yy prefix) -
out
output buffer -
chunks
protected int chunksnumber of existing string chunks
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Constructor Details
-
PackEmitter
Create new emitter for an array.- Parameters:
name
- the name of the generated array
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Method Details
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constName
Convert array name into all uppercase internal scanner constant name.- Returns:
name
as a internal constant name.- See Also:
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toString
Return current output buffer. -
emitInit
public void emitInit()Emit declaration of decoded member and open first chunk. -
emitUC
public void emitUC(int i) Emit single unicode character.Updates length, position, etc.
- Parameters:
i
- the character to emit.
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breaks
public void breaks()Execute line/chunk break if necessary. Leave space for at least two chars. -
emitUnpack
public abstract void emitUnpack()Emit the unpacking code. -
nl
protected void nl()emit newline -
println
println.- Parameters:
s
- aString
object.
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