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When looking for text run related records after a TextHeaderAtom, provide a cleaner way to skip ones we don't care about, and a cleaner way to find the StyleTextPropAtom. Should fix #56260 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1577803 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2014-03-15 08:16:43 +00:00
parent 6adffa0c03
commit 80caa1ddcf
2 changed files with 39 additions and 27 deletions
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43
src/scratchpad/src/org/apache/poi/hslf/model/Sheet.java
View File

@ -29,6 +29,7 @@ import org.apache.poi.ddf.EscherRecord;
import org.apache.poi.hslf.record.CString;
import org.apache.poi.hslf.record.ColorSchemeAtom;
import org.apache.poi.hslf.record.EscherTextboxWrapper;
import org.apache.poi.hslf.record.MasterTextPropAtom;
import org.apache.poi.hslf.record.OEPlaceholderAtom;
import org.apache.poi.hslf.record.PPDrawing;
import org.apache.poi.hslf.record.Record;
@ -42,6 +43,7 @@ import org.apache.poi.hslf.record.TextBytesAtom;
import org.apache.poi.hslf.record.TextCharsAtom;
import org.apache.poi.hslf.record.TextHeaderAtom;
import org.apache.poi.hslf.record.TextRulerAtom;
import org.apache.poi.hslf.record.TextSpecInfoAtom;
import org.apache.poi.hslf.usermodel.SlideShow;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
@ -197,29 +199,35 @@ public abstract class Sheet {
StyleTextPropAtom stpa = null;
TextRun trun = null;
Record next = null;
Record subs = null;
// Is there a StyleTextPropAtom after the Text Atom?
// TODO Do we need to check for text ones two away as well?
// TODO Refactor this to happen later in this for loop
if (i < (records.length - 2)) {
next = records[i+2];
if (next instanceof StyleTextPropAtom) {
stpa = (StyleTextPropAtom)next;
}
}
// See what follows the TextHeaderAtom
next = records[i+1];
// Is it one we ignore and check the one after that?
if (i < records.length - 2) {
// TODO MasterTextPropAtom
if (next instanceof TextRulerAtom) {
next = records[i+2];
subs = records[i+2];
}
// Is the next record one we need to skip over?
if (subs != null) {
if (next instanceof TextRulerAtom ||
next instanceof MasterTextPropAtom ||
next instanceof TextSpecInfoAtom) {
// Ignore this one, check the one after
next = subs;
if (i < records.length - 3) {
subs = records[i+3];
} else {
subs = null;
}
}
}
// Is it one we need to record?
// Is the subsequent record a style one?
if (subs != null && subs instanceof StyleTextPropAtom) {
stpa = (StyleTextPropAtom)subs;
}
// Now, check if the next record is one to record
if (next instanceof TextCharsAtom) {
TextCharsAtom tca = (TextCharsAtom)next;
trun = new TextRun(tha, tca, stpa);
@ -233,9 +241,6 @@ public abstract class Sheet {
// text. Only the header remains, which isn't useful alone
// Skip on to the next TextHeaderAtom
continue;
} else if (next.getRecordType() == (long)RecordTypes.TextSpecInfoAtom.typeID ||
next.getRecordType() == (long)RecordTypes.BaseTextPropAtom.typeID) {
// Safe to ignore these ones
} else {
logger.log(POILogger.ERROR, "Found a TextHeaderAtom not followed by a TextBytesAtom or TextCharsAtom: Followed by " + next.getRecordType());
}

23
src/scratchpad/testcases/org/apache/poi/hslf/usermodel/TestBugs.java
View File

@ -331,9 +331,18 @@ public final class TestBugs {
assertTrue("No Exceptions while reading file", true);
// Check the first slide
Slide slide = ppt.getSlides()[0];
TextRun[] tr1 = slide.getTextRuns();
TextRun[] slTr = slide.getTextRuns();
// Has two text runs, one from slide text, one from drawing
assertEquals(2, slTr.length);
assertEquals(false, slTr[0].isDrawingBased());
assertEquals(true, slTr[1].isDrawingBased());
assertEquals("First run", slTr[0].getText());
assertEquals("Second run", slTr[1].getText());
// Check the shape based text runs
List<TextRun> lst = new ArrayList<TextRun>();
Shape[] shape = slide.getShapes();
for (int i = 0; i < shape.length; i++) {
@ -345,13 +354,11 @@ public final class TestBugs {
}
}
TextRun[] tr2 = new TextRun[lst.size()];
lst.toArray(tr2);
assertEquals(tr1.length, tr2.length);
for (int i = 0; i < tr1.length; i++) {
assertEquals(tr1[i].getText(), tr2[i].getText());
}
// There should be only one shape based one found
assertEquals(1, lst.size());
// And it should be the second one
assertEquals("Second run", lst.get(0).getText());
}
/**