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Handle the fact that StyleTextPropAtom needs to work with a text length that's one larger than the underlying text it represents. (Fix from Yegor from bug #40143) 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@495278 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2007-01-11 16:18:30 +00:00
parent e7c94a114b
commit ff124420a0
3 changed files with 20 additions and 6 deletions
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2
src/scratchpad/src/org/apache/poi/hslf/model/TextRun.java
View File

@ -417,7 +417,7 @@ public class TextRun
}
// Create a new one at the right size
_styleAtom = new StyleTextPropAtom(getRawText().length());
_styleAtom = new StyleTextPropAtom(getRawText().length() + 1);
// Use the TextHeader atom to get at the parent
RecordContainer runAtomsParent = _headerAtom.getParentRecord();

20
src/scratchpad/src/org/apache/poi/hslf/record/StyleTextPropAtom.java
View File

@ -228,7 +228,8 @@ public class StyleTextPropAtom extends RecordAtom
// While we have text in need of paragraph stylings, go ahead and
// grok the contents as paragraph formatting data
while(pos < rawContents.length && textHandled < size) {
int prsize = size;
while(pos < rawContents.length && textHandled < prsize) {
// First up, fetch the number of characters this applies to
int textLen = LittleEndian.getInt(rawContents,pos);
textHandled += textLen;
@ -250,11 +251,21 @@ public class StyleTextPropAtom extends RecordAtom
// Save this properties set
paragraphStyles.add(thisCollection);
// Handle extra 1 paragraph styles at the end
if(pos < rawContents.length && textHandled == size) {
prsize++;
}
}
if (rawContents.length > 0 && textHandled != (size+1)){
System.err.println("Problem reading paragraph style runs: textHandled = " + textHandled + ", text.size+1 = " + (size+1));
}
// Now do the character stylings
textHandled = 0;
while(pos < rawContents.length && textHandled < size) {
int chsize = size;
while(pos < rawContents.length && textHandled < chsize) {
// First up, fetch the number of characters this applies to
int textLen = LittleEndian.getInt(rawContents,pos);
textHandled += textLen;
@ -279,9 +290,12 @@ public class StyleTextPropAtom extends RecordAtom
// Handle extra 1 char styles at the end
if(pos < rawContents.length && textHandled == size) {
size++;
chsize++;
}
}
if (rawContents.length > 0 && textHandled != (size+1)){
System.err.println("Problem reading character style runs: textHandled = " + textHandled + ", text.size+1 = " + (size+1));
}
// Handle anything left over
if(pos < rawContents.length) {

4
src/scratchpad/testcases/org/apache/poi/hslf/record/TestStyleTextPropAtom.java
View File

@ -49,7 +49,7 @@ public class TestStyleTextPropAtom extends TestCase {
00, 00, 0x04, 00, // font.color only
0xFF-256, 0x33, 00, 0xFE-256 // red
};
private int data_a_text_len = 54;
private int data_a_text_len = 0x36-1;
/**
* From a real file: 4 paragraphs with text in 4 different styles:
@ -125,7 +125,7 @@ public class TestStyleTextPropAtom extends TestCase {
28, 0, 1, 0, 0, 0, 0, 0,
3, 0, 1, 0, 24, 0
};
private int data_c_text_len = 123;
private int data_c_text_len = 123-1;
public void testRecordType() throws Exception {