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jpicedt.graphic.io.parser
Class Pool
java.lang.Objectjpicedt.graphic.io.parser.Pool
- public class Pool
- extends java.lang.Object
Offers a means for expressions belonging to the parser-tree to share variables across the tree.
| Nested Class Summary | |
static class |
Pool.Key
Enforces use of strong typing for keys being put the map |
| Field Summary | |
static Pool.Key |
CURRENT_OBJ_ATTRIBUTES
Key used to fetch the attribute set attached to the current element "currentObj" |
jpicedt.graphic.model.PicGroup |
currentGroup
either the main drawing, or a subgroup ; each new parsed Element should be added to this group |
jpicedt.graphic.model.Element |
currentObj
Convenience used to share information (e.g. |
private java.util.HashMap |
map
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java.lang.StringBuffer |
notParsed
a string that stores commands that couldn't be parsed in the current context (e.g. |
java.util.Stack |
picGroupStack
a fifo-like stack used to store the main drawing and its subgroups ; each time a "begin group" is encountered, the current PicGroup is pushed onto the stack, and a new PicGroup is instanciated, which then represents the current PicGroup ; the opposite operations are executed in the reverse order when a "end group" is found. |
| Constructor Summary | |
Pool()
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| Method Summary | |
java.lang.Object |
get(Pool.Key key)
Return the value associated with the given key |
jpicedt.graphic.model.PicAttributeSet |
getAttributeSet(Pool.Key key)
Convenience for retrieving a "PicAttributeSet" value ; can be used in conjunction with jpicedt.graphic.model.StyleConstants static methods to retrieve attributes values with less burden. |
double |
getDouble(Pool.Key key)
Convenience for retrieving a "double" value |
double |
put(Pool.Key key,
double d)
Convenience for store a "double" value |
java.lang.Object |
put(Pool.Key key,
java.lang.Object value)
Associates the specified value with the given key in the pool |
void |
reinit()
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void |
setAttribute(Pool.Key key,
jpicedt.graphic.model.PicAttributeName name,
java.lang.Object value)
Add a name/value attribute pair to the attribute set with the given key, i.e. |
java.lang.String |
toString()
Convert this Object to a human-readable String. |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Field Detail |
currentGroup
public jpicedt.graphic.model.PicGroup currentGroup
- either the main drawing, or a subgroup ; each new parsed Element should be added to this group
picGroupStack
public java.util.Stack picGroupStack
- a fifo-like stack used to store the main drawing and its subgroups ; each time a "begin group" is encountered,
the current PicGroup is pushed onto the stack, and a new PicGroup is instanciated, which then
represents the current PicGroup ; the opposite operations are executed in the reverse order
when a "end group" is found.
currentObj
public jpicedt.graphic.model.Element currentObj
- Convenience used to share information (e.g. parameters, location, ...) across expressions acting
on the same element. Generally, an InstanciationExpression reinits "currentObj" to an instance of
an Element of the proper type, then ensuing expression modify this element's attributes and/or
geometry.
notParsed
public java.lang.StringBuffer notParsed
- a string that stores commands that couldn't be parsed in the current context (e.g. in the text file to be parsed)
so that we can keep track of these commands (e.g. to be able to include them again when it comes to saving
the text file to disk)
CURRENT_OBJ_ATTRIBUTES
public static final Pool.Key CURRENT_OBJ_ATTRIBUTES
- Key used to fetch the attribute set attached to the current element "currentObj"
map
private java.util.HashMap map
| Constructor Detail |
Pool
public Pool()
| Method Detail |
reinit
public void reinit()
put
public java.lang.Object put(Pool.Key key, java.lang.Object value)
- Associates the specified value with the given key in the pool
get
public java.lang.Object get(Pool.Key key)
- Return the value associated with the given key
getDouble
public double getDouble(Pool.Key key)
- Convenience for retrieving a "double" value
put
public double put(Pool.Key key, double d)
- Convenience for store a "double" value
getAttributeSet
public jpicedt.graphic.model.PicAttributeSet getAttributeSet(Pool.Key key)
- Convenience for retrieving a "PicAttributeSet" value ; can be used in conjunction with
jpicedt.graphic.model.StyleConstants static methods to retrieve attributes values with less burden.
setAttribute
public void setAttribute(Pool.Key key, jpicedt.graphic.model.PicAttributeName name, java.lang.Object value)
- Add a name/value attribute pair to the attribute set with the given key, i.e.
either CURRENT_OBJ_ATTRIBUTES for "currentObj", or any other key for a Pool's shared
attribute set (e.g. PsTricks registers,...)
toString
public java.lang.String toString()
- Description copied from class:
java.lang.Object - Convert this Object to a human-readable String.
There are no limits placed on how long this String
should be or what it should contain. We suggest you
make it as intuitive as possible to be able to place
it into System.out.println() 55
and such.
It is typical, but not required, to ensure that this method never completes abruptly with a java.lang.RuntimeException.
This method will be called when performing string concatenation with this object. If the result is
null, string concatenation will instead use"null".The default implementation returns
getClass().getName() + "@" + Integer.toHexString(hashCode()).
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| Home >> All >> jpicedt >> graphic >> io >> [ parser overview ] | PREV CLASS NEXT CLASS | ||||||||
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SUMMARY: JAVADOC | SOURCE | DOWNLOAD | NESTED | FIELD | CONSTR | METHOD |
DETAIL: FIELD | CONSTR | METHOD | ||||||||