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Changing around the object model 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@352738 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Said Ryan Ackley 2002-07-01 20:30:26 +00:00
parent 4af8abbe17
commit c23c4af274
1 changed files with 82 additions and 60 deletions
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142
src/scratchpad/src/org/apache/poi/hdf/model/HDFObjectFactory.java
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@ -88,38 +88,21 @@ import org.apache.poi.util.LittleEndian;
* that represent the data.
* @author andy
*/
public class HDFObjectFactory implements HDFLowLevelParsingListener
public class HDFObjectFactory
{
/** OLE stuff*/
private POIFSFileSystem _filesystem;
/** The FIB*/
private FileInformationBlock _fib;
/** The DOP*/
private DocumentProperties _dop;
/**the StyleSheet*/
private StyleSheet _styleSheet;
/**list info */
private ListTables _listTables;
/** Font info */
private FontTable _fonts;
/** Used to set up the object model*/
private HDFLowLevelParsingListener _listener;
/** parsing state for characters */
private ParsingState _charParsingState;
/** parsing state for paragraphs */
private ParsingState _parParsingState;
/** text pieces */
//BTreeSet _text = new BTreeSet();
BTreeSet _text = new BTreeSet();
/** document sections */
BTreeSet _sections = new BTreeSet();
/** document paragraphs */
BTreeSet _paragraphs = new BTreeSet();
/** document character runs */
BTreeSet _characterRuns = new BTreeSet();
/** main document stream buffer*/
byte[] _mainDocument;
/** table stream buffer*/
@ -147,7 +130,7 @@ public class HDFObjectFactory implements HDFLowLevelParsingListener
{
if (l == null)
{
_listener = this;
_listener = new HDFObjectModel();
}
else
{
@ -205,26 +188,7 @@ public class HDFObjectFactory implements HDFLowLevelParsingListener
return results;
}
public void document(DocumentProperties dop)
{
_dop = dop;
}
public void section(SepxNode sepx)
{
_sections.add(sepx);
}
public void paragraph(PapxNode papx)
{
_paragraphs.add(papx);
}
public void characterRun(ChpxNode chpx)
{
_characterRuns.add(chpx);
}
public void text(TextPiece t)
{
_text.add(t);
}
/**
* Initializes the table stream
*
@ -314,19 +278,58 @@ public class HDFObjectFactory implements HDFLowLevelParsingListener
initDocumentProperties();
initSectionProperties();
//initCharacterProperties();
initParagraphProperties();
//initParagraphProperties();
}
private void initCharacterProperties(int charOffset, PlexOfCps charPlcf, int start, int end)
private void initCharacterProperties(int charOffset, PlexOfCps charPlcf, int end)
{
//Initialize paragraph property stuff
//int currentCharPage = _charParsingState.getCurrentPage();
int charPlcfLen = charPlcf.length();
int currentPageIndex = _charParsingState.getCurrentPageIndex();
FormattedDiskPage fkp = _charParsingState.getFkp();
int currentChpxIndex = _charParsingState.getCurrentPropIndex();
int currentArraySize = fkp.size();
//get the character runs for this paragraph
int charStart = 0;
int charEnd = 0;
//add the character runs
do
{
if (currentChpxIndex < currentArraySize)
{
charStart = fkp.getStart(currentChpxIndex);
charEnd = fkp.getEnd(currentChpxIndex);
byte[] chpx = fkp.getGrpprl(currentChpxIndex);
_listener.characterRun(new ChpxNode(charStart, charEnd, chpx));
if (charEnd < end)
{
currentChpxIndex++;
}
else
{
_charParsingState.setState(currentPageIndex, fkp, currentChpxIndex);
break;
}
}
else
{
int currentCharPage = LittleEndian.getInt(_tableBuffer, charOffset + charPlcf.getStructOffset(++currentPageIndex));
byte[] byteFkp = new byte[512];
System.arraycopy(_mainDocument, (currentCharPage * 512), byteFkp, 0, 512);
fkp = new CHPFormattedDiskPage(byteFkp);
currentChpxIndex = 0;
currentArraySize = fkp.size();
}
}
while(currentPageIndex < charPlcfLen);
}
private void initParagraphProperties(int parOffset, PlexOfCps parPlcf, int end)
private void initParagraphProperties(int parOffset, PlexOfCps parPlcf, int charOffset, PlexOfCps charPlcf, int end)
{
//Initialize character property stuff
int currentParPage = _parParsingState.getCurrentPage();
//Initialize paragraph property stuff
//int currentParPage = _parParsingState.getCurrentPage();
int parPlcfLen = parPlcf.length();
int currentPageIndex = _parParsingState.getCurrentPageIndex();
//byte[] fkp = new byte[512];
//System.arraycopy(_mainDocument, (currentCharPage * 512), fkp, 0, 512);
FormattedDiskPage fkp = _parParsingState.getFkp();
int currentPapxIndex = _parParsingState.getCurrentPropIndex();
int currentArraySize = fkp.size();
@ -339,6 +342,7 @@ public class HDFObjectFactory implements HDFLowLevelParsingListener
int parEnd = fkp.getEnd(currentPapxIndex);
byte[] papx = fkp.getGrpprl(currentPapxIndex);
_listener.paragraph(new PapxNode(parStart, parEnd, papx));
initCharacterProperties(charOffset, charPlcf, end);
if (parEnd < end)
{
currentPapxIndex++;
@ -346,21 +350,21 @@ public class HDFObjectFactory implements HDFLowLevelParsingListener
else
{
//save the state
_parParsingState.setState(currentParPage, currentPageIndex, fkp, currentPapxIndex);
_parParsingState.setState(currentPageIndex, fkp, currentPapxIndex);
break;
}
}
else
{
currentParPage = LittleEndian.getInt(_tableBuffer, parOffset + parPlcf.getStructOffset(++currentPageIndex));
int currentParPage = LittleEndian.getInt(_tableBuffer, parOffset + parPlcf.getStructOffset(++currentPageIndex));
byte byteFkp[] = new byte[512];
System.arraycopy(_mainDocument, (currentParPage * 512), fkp, 0, 512);
System.arraycopy(_mainDocument, (currentParPage * 512), byteFkp, 0, 512);
fkp = new PAPFormattedDiskPage(byteFkp);
currentPapxIndex = 0;
currentArraySize = fkp.size();
}
}
while(currentParPage <= parPlcfLen + 1);
while(currentPageIndex < parPlcfLen);
}
/**
* initializes the CharacterProperties BTree
@ -499,6 +503,20 @@ public class HDFObjectFactory implements HDFLowLevelParsingListener
}
}
private void initParsingStates(int parOffset, PlexOfCps parPlcf, int charOffset, PlexOfCps charPlcf)
{
int currentCharPage = LittleEndian.getInt(_tableBuffer, charOffset + charPlcf.getStructOffset(0));
byte[] fkp = new byte[512];
System.arraycopy(_mainDocument, (currentCharPage * 512), fkp, 0, 512);
CHPFormattedDiskPage cfkp = new CHPFormattedDiskPage(fkp);
_charParsingState = new ParsingState(currentCharPage, cfkp);
int currentParPage = LittleEndian.getInt(_tableBuffer, parOffset + parPlcf.getStructOffset(0));
fkp = new byte[512];
System.arraycopy(_mainDocument, (currentParPage * 512), fkp, 0, 512);
PAPFormattedDiskPage pfkp = new PAPFormattedDiskPage(fkp);
_parParsingState = new ParsingState(currentParPage, pfkp);
}
/**
* initializes the SectionProperties BTree
*/
@ -522,6 +540,8 @@ public class HDFObjectFactory implements HDFLowLevelParsingListener
PlexOfCps charPlcf = new PlexOfCps(charPlcSize, 4);
PlexOfCps parPlcf = new PlexOfCps(parPlcSize, 4);
initParsingStates(parOffset, parPlcf, charOffset, charPlcf);
//byte[] plcfsed = new byte[plcfsedSize];
//System.arraycopy(_tableBuffer, plcfsedFC, plcfsed, 0, plcfsedSize);
@ -531,15 +551,17 @@ public class HDFObjectFactory implements HDFLowLevelParsingListener
for(int x = 0; x < arraySize; x++)
{
int sectionStart = LittleEndian.getInt(_tableBuffer, plcfsed.getIntOffset(x)) + fcMin;
int sectionEnd = LittleEndian.getInt(_tableBuffer, plcfsed.getIntOffset(x + 1)) + fcMin;
int sepxStart = LittleEndian.getInt(_tableBuffer, plcfsed.getStructOffset(x));
int sectionStart = LittleEndian.getInt(_tableBuffer, plcfsedFC + plcfsed.getIntOffset(x)) + fcMin;
int sectionEnd = LittleEndian.getInt(_tableBuffer, plcfsedFC + plcfsed.getIntOffset(x + 1)) + fcMin;
int sepxStart = LittleEndian.getInt(_tableBuffer, plcfsedFC + plcfsed.getStructOffset(x) + 2);
int sepxSize = LittleEndian.getShort(_mainDocument, sepxStart);
byte[] sepx = new byte[sepxSize];
System.arraycopy(_mainDocument, sepxStart + 2, sepx, 0, sepxSize);
SepxNode node = new SepxNode(x + 1, sectionStart, sectionEnd, sepx);
_sections.add(node);
_listener.section(node);
initParagraphProperties(parOffset, parPlcf, charOffset, charPlcf, sectionEnd);
}
}
/**
@ -564,7 +586,7 @@ public class HDFObjectFactory implements HDFLowLevelParsingListener
byte[] stsh = new byte[stshSize];
System.arraycopy(_tableBuffer, stshIndex, stsh, 0, stshSize);
_styleSheet = new StyleSheet(stsh);
_listener.styleSheet(new StyleSheet(stsh));
}
/**
* Initializes the list tables for this document
@ -587,7 +609,7 @@ public class HDFObjectFactory implements HDFLowLevelParsingListener
lstSize = lfoOffset - lstOffset;
byte[] plcflst = new byte[lstSize];
System.arraycopy(_tableBuffer, lstOffset, plcflst, 0, lstSize);
_listTables = new ListTables(plcflst, plflfo);
_listener.lists(new ListTables(plcflst, plflfo));
}
}
/**
@ -599,7 +621,7 @@ public class HDFObjectFactory implements HDFLowLevelParsingListener
int fontTableSize = _fib.getLcbSttbfffn();
byte[] fontTable = new byte[fontTableSize];
System.arraycopy(_tableBuffer, fontTableIndex, fontTable, 0, fontTableSize);
_fonts = new FontTable(fontTable);
_listener.fonts(new FontTable(fontTable));
}
}