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Try to work with files that don't have a master SlideListWithText, but go straight into a Slides one. Throw a better exception on slides with a mixed first SlideListWithText (see bug 41176 for more details)

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git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@487182 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2006-12-14 11:50:54 +00:00
parent 5c5dcf0d4f
commit f067316bb0
1 changed files with 42 additions and 6 deletions
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40
src/scratchpad/src/org/apache/poi/hslf/usermodel/SlideShow.java
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@ -304,22 +304,58 @@ public class SlideShow
// we have to go and find their matching records
// We always use the latest versions of these records, and use the
// SlideAtom/NotesAtom to match them with the StyleAtomSet
//
// Some crazy documents don't have a master SlideListWithText, their
// first one is the slide containing one, which makes things fun...
SlideListWithText masterSLWT = _documentRecord.getMasterSlideListWithText();
SlideListWithText slidesSLWT = _documentRecord.getSlideSlideListWithText();
SlideListWithText notesSLWT = _documentRecord.getNotesSlideListWithText();
//find master slides
// Find master slides
// Need to ensure they're really master slides, and we're not dealing
// with a crazy document that doesn't have any master slides
SlideAtomsSet[] masterSets = new SlideAtomsSet[0];
org.apache.poi.hslf.record.MainMaster[] masterRecords = null;
if (masterSLWT != null){
masterSets = masterSLWT.getSlideAtomsSets();
// Are they Slides, Master Slides, or some broken mix?
int slideCount = 0;
int masterCount = 0;
for(int i=0; i<masterSets.length; i++) {
Record r = getCoreRecordForSAS(masterSets[i]);
if(r instanceof org.apache.poi.hslf.record.Slide) {
slideCount++;
} else if(r instanceof org.apache.poi.hslf.record.MainMaster) {
masterCount++;
} else {
throw new CorruptPowerPointFileException("The PowerPoint file had a broken first SlideListWithTexts. This should only contain either MainMasters, or Slides, but it contained a record of type " + r.getRecordType());
}
}
if(slideCount > 0 && masterCount == 0) {
// Actually the Slide SlideListWithTexts
notesSLWT = slidesSLWT;
slidesSLWT = masterSLWT;
masterSLWT = null;
} else if(masterCount >= 0 && slideCount == 0) {
// Is a normal, proper Masters SlideListWithTexts
masterRecords = new org.apache.poi.hslf.record.MainMaster[masterSets.length];
// Grab the Main Master records
for(int i=0; i<masterRecords.length; i++) {
masterRecords[i] = (org.apache.poi.hslf.record.MainMaster)getCoreRecordForSAS(masterSets[i]);
}
} else {
// Contains both Slides and Main Masters, is corrupt
throw new CorruptPowerPointFileException("The PowerPoint file had a broken first SlideListWithTexts. This should only contain either MainMasters, or Slides, but it contained a mix of both (" + slideCount + " slides and " + masterCount + " masters)");
}
}
// Having sorted out the masters, that leaves the notes and slides
// Start by finding the notes records to go with the entries in
// notesSLWT