Fix inconsistent whitespace

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

View File

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