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Fix inconsistent whitespace

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1613174 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2014-07-24 16:22:28 +00:00
parent fec4eb7a12
commit f91eee5846
1 changed files with 117 additions and 118 deletions
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235
src/java/org/apache/poi/hssf/usermodel/HSSFOptimiser.java
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@ -163,122 +163,121 @@ public class HSSFOptimiser {
}
}
/**
* Goes through the Wokrbook, optimising the cell styles
* by removing duplicate ones, and ones that aren't used.
* For best results, optimise the fonts via a call to
* {@link #optimiseFonts(HSSFWorkbook)} first.
* @param workbook The workbook in which to optimise the cell styles
*/
public static void optimiseCellStyles(HSSFWorkbook workbook) {
// Where each style has ended up, and if we need to
// delete the record for it. Start off with no change
short[] newPos =
new short[workbook.getWorkbook().getNumExFormats()];
boolean[] isUsed = new boolean[newPos.length];
boolean[] zapRecords = new boolean[newPos.length];
for(int i=0; i<newPos.length; i++) {
isUsed[i] = false;
newPos[i] = (short)i;
zapRecords[i] = false;
}
// Get each style record, so we can do deletes
// without getting confused
ExtendedFormatRecord[] xfrs = new ExtendedFormatRecord[newPos.length];
for(int i=0; i<newPos.length; i++) {
xfrs[i] = workbook.getWorkbook().getExFormatAt(i);
}
// Loop over each style, seeing if it is the same
// as an earlier one. If it is, point users of the
// later duplicate copy to the earlier one, and
// mark the later one as needing deleting
// Only work on user added ones, which come after 20
for(int i=21; i<newPos.length; i++) {
// Check this one for being a duplicate
// of an earlier one
int earlierDuplicate = -1;
for(int j=0; j<i && earlierDuplicate == -1; j++) {
ExtendedFormatRecord xfCheck = workbook.getWorkbook().getExFormatAt(j);
if(xfCheck.equals(xfrs[i])) {
earlierDuplicate = j;
}
}
// If we got a duplicate, mark it as such
if(earlierDuplicate != -1) {
newPos[i] = (short)earlierDuplicate;
zapRecords[i] = true;
}
}
// Loop over all the cells in the file, and identify any user defined
// styles aren't actually being used (don't touch built-in ones)
for(int sheetNum=0; sheetNum<workbook.getNumberOfSheets(); sheetNum++) {
HSSFSheet s = workbook.getSheetAt(sheetNum);
for (Row row : s) {
for (Cell cellI : row) {
HSSFCell cell = (HSSFCell)cellI;
short oldXf = cell.getCellValueRecord().getXFIndex();
isUsed[oldXf] = true;
}
}
}
// Mark any that aren't used as needing zapping
for (int i=21; i<isUsed.length; i++) {
if (! isUsed[i]) {
// Un-used style, can be removed
zapRecords[i] = true;
newPos[i] = 0;
}
}
// Update the new positions based on
// deletes that have occurred between
// the start and them
// Only work on user added ones, which come after 20
for(int i=21; i<newPos.length; i++) {
// Find the number deleted to that
// point, and adjust
short preDeletePos = newPos[i];
short newPosition = preDeletePos;
for(int j=0; j<preDeletePos; j++) {
if(zapRecords[j]) newPosition--;
}
// Update the new position
newPos[i] = newPosition;
}
// Zap the un-needed user style records
// removing by index, because removing by object may delete
// styles we did not intend to (the ones that _were_ duplicated and not the duplicates)
int max = newPos.length;
int removed = 0; // to adjust index after deletion
for(int i=21; i<max; i++) {
if(zapRecords[i + removed]) {
workbook.getWorkbook().removeExFormatRecord(i);
i--;
max--;
removed++;
}
}
// Finally, update the cells to point at their new extended format records
for(int sheetNum=0; sheetNum<workbook.getNumberOfSheets(); sheetNum++) {
HSSFSheet s = workbook.getSheetAt(sheetNum);
for (Row row : s) {
for (Cell cellI : row) {
HSSFCell cell = (HSSFCell)cellI;
short oldXf = cell.getCellValueRecord().getXFIndex();
HSSFCellStyle newStyle = workbook.getCellStyleAt(
newPos[oldXf]
);
cell.setCellStyle(newStyle);
}
}
}
}
/**
* Goes through the Wokrbook, optimising the cell styles
* by removing duplicate ones, and ones that aren't used.
* For best results, optimise the fonts via a call to
* {@link #optimiseFonts(HSSFWorkbook)} first.
* @param workbook The workbook in which to optimise the cell styles
*/
public static void optimiseCellStyles(HSSFWorkbook workbook) {
// Where each style has ended up, and if we need to
// delete the record for it. Start off with no change
short[] newPos = new short[workbook.getWorkbook().getNumExFormats()];
boolean[] isUsed = new boolean[newPos.length];
boolean[] zapRecords = new boolean[newPos.length];
for(int i=0; i<newPos.length; i++) {
isUsed[i] = false;
newPos[i] = (short)i;
zapRecords[i] = false;
}
// Get each style record, so we can do deletes
// without getting confused
ExtendedFormatRecord[] xfrs = new ExtendedFormatRecord[newPos.length];
for(int i=0; i<newPos.length; i++) {
xfrs[i] = workbook.getWorkbook().getExFormatAt(i);
}
// Loop over each style, seeing if it is the same
// as an earlier one. If it is, point users of the
// later duplicate copy to the earlier one, and
// mark the later one as needing deleting
// Only work on user added ones, which come after 20
for(int i=21; i<newPos.length; i++) {
// Check this one for being a duplicate
// of an earlier one
int earlierDuplicate = -1;
for(int j=0; j<i && earlierDuplicate == -1; j++) {
ExtendedFormatRecord xfCheck = workbook.getWorkbook().getExFormatAt(j);
if(xfCheck.equals(xfrs[i])) {
earlierDuplicate = j;
}
}
// If we got a duplicate, mark it as such
if(earlierDuplicate != -1) {
newPos[i] = (short)earlierDuplicate;
zapRecords[i] = true;
}
}
// Loop over all the cells in the file, and identify any user defined
// styles aren't actually being used (don't touch built-in ones)
for(int sheetNum=0; sheetNum<workbook.getNumberOfSheets(); sheetNum++) {
HSSFSheet s = workbook.getSheetAt(sheetNum);
for (Row row : s) {
for (Cell cellI : row) {
HSSFCell cell = (HSSFCell)cellI;
short oldXf = cell.getCellValueRecord().getXFIndex();
isUsed[oldXf] = true;
}
}
}
// Mark any that aren't used as needing zapping
for (int i=21; i<isUsed.length; i++) {
if (! isUsed[i]) {
// Un-used style, can be removed
zapRecords[i] = true;
newPos[i] = 0;
}
}
// Update the new positions based on
// deletes that have occurred between
// the start and them
// Only work on user added ones, which come after 20
for(int i=21; i<newPos.length; i++) {
// Find the number deleted to that
// point, and adjust
short preDeletePos = newPos[i];
short newPosition = preDeletePos;
for(int j=0; j<preDeletePos; j++) {
if(zapRecords[j]) newPosition--;
}
// Update the new position
newPos[i] = newPosition;
}
// Zap the un-needed user style records
// removing by index, because removing by object may delete
// styles we did not intend to (the ones that _were_ duplicated and not the duplicates)
int max = newPos.length;
int removed = 0; // to adjust index after deletion
for(int i=21; i<max; i++) {
if(zapRecords[i + removed]) {
workbook.getWorkbook().removeExFormatRecord(i);
i--;
max--;
removed++;
}
}
// Finally, update the cells to point at their new extended format records
for(int sheetNum=0; sheetNum<workbook.getNumberOfSheets(); sheetNum++) {
HSSFSheet s = workbook.getSheetAt(sheetNum);
for (Row row : s) {
for (Cell cellI : row) {
HSSFCell cell = (HSSFCell)cellI;
short oldXf = cell.getCellValueRecord().getXFIndex();
HSSFCellStyle newStyle = workbook.getCellStyleAt(
newPos[oldXf]
);
cell.setCellStyle(newStyle);
}
}
}
}
}