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Patch from Raghu from bug #44580 - Fix bug #28627, where hwpf Range.delete() didn't work properly 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@636751 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2008-03-13 13:03:25 +00:00
parent ff78b7ac71
commit 6025d98504
6 changed files with 69 additions and 14 deletions
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1
src/documentation/content/xdocs/changes.xml
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@ -36,6 +36,7 @@
<!-- Don't forget to update status.xml too! -->
<release version="3.1-beta1" date="2008-??-??">
<action dev="POI-DEVELOPERS" type="add">28627 / 44580 - Fix Range.delete() in HWPF</action>
<action dev="POI-DEVELOPERS" type="add">44539 - Support for area references in formulas of rows >= 32768</action>
<action dev="POI-DEVELOPERS" type="add">44536 - Improved support for detecting read-only recommended files</action>
<action dev="POI-DEVELOPERS" type="fix">43901 - Correctly update the internal last cell number when adding and removing cells (previously sometimes off-by-one)</action>

1
src/documentation/content/xdocs/status.xml
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@ -33,6 +33,7 @@
<!-- Don't forget to update changes.xml too! -->
<changes>
<release version="3.1-beta1" date="2008-??-??">
<action dev="POI-DEVELOPERS" type="add">28627 / 44580 - Fix Range.delete() in HWPF</action>
<action dev="POI-DEVELOPERS" type="add">44539 - Support for area references in formulas of rows >= 32768</action>
<action dev="POI-DEVELOPERS" type="add">44536 - Improved support for detecting read-only recommended files</action>
<action dev="POI-DEVELOPERS" type="fix">43901 - Correctly update the internal last cell number when adding and removing cells (previously sometimes off-by-one)</action>

12
src/scratchpad/src/org/apache/poi/hwpf/model/TextPiece.java
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@ -90,7 +90,19 @@ public class TextPiece extends PropertyNode implements Comparable
public void adjustForDelete(int start, int length)
{
int myStart = getStart();
int myEnd = getEnd();
int end = start + length;
/* do we have to delete from this text piece? */
if (start <= myEnd && end >= myStart) {
/* find where the deleted area overlaps with this text piece */
int overlapStart = Math.max(myStart, start);
int overlapEnd = Math.min(myEnd, end);
((StringBuffer)_buf).delete(overlapStart, overlapEnd);
super.adjustForDelete(start, length);
}
}
public int characterLength()

7
src/scratchpad/src/org/apache/poi/hwpf/usermodel/Range.java
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@ -494,6 +494,7 @@ public class Range
int numSections = _sections.size();
int numRuns = _characters.size();
int numParagraphs = _paragraphs.size();
int numTextPieces = _text.size();
for (int x = _charStart; x < numRuns; x++)
{
@ -512,6 +513,12 @@ public class Range
SEPX sepx = (SEPX)_sections.get(x);
sepx.adjustForDelete(_start, _end - _start);
}
for (int x = _textStart; x < numTextPieces; x++)
{
TextPiece piece = (TextPiece)_text.get(x);
piece.adjustForDelete(_start, _end - _start);
}
}
/**

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src/scratchpad/testcases/org/apache/poi/hwpf/data/Bug28627.doc Normal file
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62
src/scratchpad/testcases/org/apache/poi/hwpf/usermodel/TestProblems.java
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@ -16,19 +16,14 @@
*/
package org.apache.poi.hwpf.usermodel;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.util.Iterator;
import java.util.List;
import java.io.FileOutputStream;
import junit.framework.TestCase;
import org.apache.poi.hwpf.HWPFDocument;
import org.apache.poi.hwpf.model.StyleSheet;
import org.apache.poi.hwpf.model.TextPiece;
import org.apache.poi.hwpf.usermodel.Paragraph;
import org.apache.poi.hwpf.usermodel.Range;
import org.apache.poi.util.LittleEndian;
import junit.framework.TestCase;
/**
* Test various problem documents
@ -36,16 +31,18 @@ import junit.framework.TestCase;
* @author Nick Burch (nick at torchbox dot com)
*/
public class TestProblems extends TestCase {
private String dirname = System.getProperty("HWPF.testdata.path");
protected void setUp() throws Exception {
}
}
/**
* ListEntry passed no ListTable
*/
public void testListEntryNoListTable() throws Exception {
HWPFDocument doc = new HWPFDocument(new FileInputStream(dirname + "/ListEntryNoListTable.doc"));
HWPFDocument doc = new HWPFDocument(new FileInputStream(
new File(dirname, "ListEntryNoListTable.doc")));
Range r = doc.getRange();
StyleSheet styleSheet = doc.getStyleSheet();
@ -62,7 +59,8 @@ public class TestProblems extends TestCase {
* AIOOB for TableSprmUncompressor.unCompressTAPOperation
*/
public void testSprmAIOOB() throws Exception {
HWPFDocument doc = new HWPFDocument(new FileInputStream(dirname + "/AIOOB-Tap.doc"));
HWPFDocument doc = new HWPFDocument(new FileInputStream(
new File(dirname, "AIOOB-Tap.doc")));
Range r = doc.getRange();
StyleSheet styleSheet = doc.getStyleSheet();
@ -79,7 +77,8 @@ public class TestProblems extends TestCase {
* Test for TableCell not skipping the last paragraph
*/
public void testTableCellLastParagraph() throws Exception {
HWPFDocument doc = new HWPFDocument(new FileInputStream(dirname + "/Bug44292.doc"));
HWPFDocument doc = new HWPFDocument(new FileInputStream(
new File(dirname, "Bug44292.doc")));
Range r = doc.getRange();
//get the table
@ -104,4 +103,39 @@ public class TestProblems extends TestCase {
// Last cell should have one paragraph
assertEquals(1, cell.numParagraphs());
}
public void testRangeDelete() throws Exception {
HWPFDocument doc = new HWPFDocument(new FileInputStream(
new File(dirname, "Bug28627.doc")));
Range range = doc.getRange();
int numParagraphs = range.numParagraphs();
int totalLength = 0, deletedLength = 0;
for (int i = 0; i < numParagraphs; i++) {
Paragraph para = range.getParagraph(i);
String text = para.text();
totalLength += text.length();
if (text.indexOf("{delete me}") > -1) {
para.delete();
deletedLength = text.length();
}
}
// check the text length after deletion
int newLength = 0;
range = doc.getRange();
numParagraphs = range.numParagraphs();
for (int i = 0; i < numParagraphs; i++) {
Paragraph para = range.getParagraph(i);
String text = para.text();
newLength += text.length();
}
assertEquals(newLength, totalLength - deletedLength);
}
}