//============================================================
// <T>将尾部项存入文件。</T>
//
// @param out 输出文件流。
//============================================================
void FCsvFooters::Store(TDataOutput& out){
FDictionary<FCsvFooter*>::TIteratorC it = _pFooters->IteratorC();
TString foot = TC("@footer.name\n");
TBool showLabel = EFalse;
TBool showDescription = EFalse;
TInt count = 0;
TInt lastFooterIndex = _pFooters->Count() - 1;
while(it.Next()){
FCsvFooter* pFoot = it.Value();
foot.Append(pFoot->Name());
if(count != lastFooterIndex){
foot.Append(',');
}else{
foot.Append('\n');
}
TInt labelLength = RString::Length(pFoot->Label());
if(labelLength){
showLabel = ETrue;
}
TInt desLength = RString::Length(pFoot->Description());
if(desLength){
showDescription= ETrue;
}
++count;
}
if(showLabel){
foot.Append(TC("@footer.label\n"));
count = 0;
it.Reset();
while(it.Next()){
FCsvFooter* pFoot = it.Value();
foot.Append(pFoot->Label());
if(count != lastFooterIndex){
foot.Append(',');
}else{
foot.Append('\n');
}
}
}
if(showDescription){
foot.Append(TC("@head.description\n"));
count = 0;
it.Reset();
while(it.Next()){
FCsvFooter* pFoot = it.Value();
foot.Append(pFoot->Description());
if(count != lastFooterIndex){
foot.Append(',');
}else{
foot.Append('\n');
}
}
}
out.Write((TCharC*)foot, foot.Length());
}
//============================================================
// <T>将头部存入文件。</T>
//
// @param out 文件输出流。
//============================================================
void FCsvHeads::SaveToFile(TDataOutput& out){
FDictionary<FCsvHead*>::TIteratorC it = _pHeads->IteratorC();
TString head = TC("@head.name\n");
TBool showLabel = EFalse;
TBool showDescription = EFalse;
TInt count = 0;
TInt headCount = _pHeads->Count() - 1;
while(it.Next()){
FCsvHead* pHead = it.Value();
head.Append(pHead->Name());
if(count != headCount){
head.Append(',');
}else{
head.Append('\n');
}
TInt labelLength = RString::Length(pHead->Label());
if(labelLength){
showLabel = ETrue;
}
TInt desLength = RString::Length(pHead->Description());
if(desLength){
showDescription= ETrue;
}
++count;
}
if(showLabel){
head.Append(TC("@head.label\n"));
count = 0;
it.Reset();
while(it.Next()){
FCsvHead* pHead = it.Value();
head.Append(pHead->Label());
if(count != headCount){
head.Append(',');
}else{
head.Append('\n');
}
}
}
if(showDescription){
head.Append(TC("@head.description\n"));
count = 0;
it.Reset();
while(it.Next()){
FCsvHead* pHead = it.Value();
head.Append(pHead->Description());
if(count != headCount){
head.Append(',');
}else{
head.Append('\n');
}
}
}
out.Write((TCharC*)head, head.Length());
}
//============================================================
// <T>将一行保存至文件。</T>
//
// @param out 文件输出流。
//============================================================
void FCsvLine::Store(TDataOutput& out){
TString csvCell;
TString csvLine;
TInt count = _pCells->Count();
for(TInt n = 0; n < count; n++){
csvCell.Clear();
TString tempCell;
TStringRefer cell = _pCells->Get(n);
TInt cellLength = cell.Length();
// 不允许空的格
MO_ASSERT( 0 != cellLength);
// 处理双引号
TInt start = 0;
TInt index = cell.IndexOf('"');
if(ENotFound != index){
while(ENotFound != index){
index++;
tempCell.Append(cell.SubStrC(start, index));
// 不以引号开头或结尾
if(index != 1 && index != cellLength){
tempCell.Append('"');
}else{
tempCell.Append('"');
tempCell.Append('"');
}
start = index;
if(start < cellLength){
index = cell.IndexOf('"', start);
}else{
break;
}
}
// 拷贝余下内容
if(start < cellLength - 1){
tempCell.Append(cell.SubStrC(start, cell.Length()));
}
}else{
tempCell = cell;
}
// 处理逗号
TInt tempCellLen = tempCell.Length();
if(tempCell.Contains(',')){
// 不以“开头
if(tempCell[0] != '"'){
csvCell.Append('"');
}
csvCell.Append(tempCell);
// 不以“结尾
if(tempCell[tempCellLen -1] != '"'){
csvCell.Append('"');
}
}else{
csvCell = tempCell;
}
// 处理换行符
TInt csvCellLen = csvCell.Length();
TInt lfStart = 0;
TInt lfIndex = csvCell.IndexOf('\n');
if(ENotFound != lfIndex){
while(ENotFound != lfIndex){
// 拷贝换行符前面的内容
if(lfStart < lfIndex){
TString sub = csvCell.SubStrC(lfStart, lfIndex);
csvLine.Append(sub);
}
csvLine.Append('\\');
csvLine.Append('n');
// 跳过换行符
lfIndex++;
lfStart = lfIndex;
if(lfStart < csvCellLen){
lfIndex = csvCell.IndexOf('\n', lfStart);
}else{
break;
}
}
if(lfStart < csvCellLen - 1){
TString sub = csvCell.SubStrC(lfStart, csvCell.Length());
csvLine.Append(sub);
}
}else{
csvLine.Append(csvCell);
}
// 一格格式化结束
if((count - 1) == n){
csvLine.Append('\n');
}else{
csvLine.Append(',');
}
}
out.Write((TCharC*)csvLine, csvLine.Length());
}
