static void WriteChunk(BPositionIO& stream, ushort chunk, ushort size,
const void *data)
{
short t = htons(chunk);
CHECKWRITE(stream, &t, 2);
t = htons(size);
CHECKWRITE(stream, &t, 2);
if (data)
CHECKWRITE(stream, data, size);
}
int handle_client(t_selfd *fd, t_server *serv)
{
char *cmd;
int r;
ssize_t swr;
if (ISREADABLE(fd))
{
if (((r = read_from_client(fd)) < 0 && errno != EINTR) || (r == 0))
{
log_connection(((t_client *)fd->data)->sock,
"Client disconnected from:");
return (destroy_connection(serv, fd));
}
}
if (ISWRITEABLE(fd) && (r = write_to_client(fd)) < 0 && errno != EINTR)
return (destroy_connection(serv, fd));
while ((cmd = get_command(fd)))
handle_add_cmd(serv, fd, cmd);
swr = ring_buffer_left_read(fd->wbuff);
if (!swr && fd->to_close)
return (destroy_connection(serv, fd));
if (swr)
CHECKWRITE(fd);
CHECKREAD(fd);
push_instruction(serv, fd);
return (0);
}
void CCellView::Write(BPositionIO& stream)
{
// Collect the information needed to write the file, fonts first...
int *fontList, usedFonts;
fontList = (int *)MALLOC(gFontSizeTable.Count() * sizeof(int));
FailNil(fontList);
usedFonts = fContainer->CollectFontList(fontList);
if (GetOffsetOf(fontList, fBorderFontID, usedFonts) == -1)
fontList[usedFonts++] = fBorderFontID;
// ...then the styles
int *styleList, usedStyles;
styleList = (int *)CALLOC(gStyleTable.Count(), sizeof(int));
FailNil(styleList);
usedStyles = fContainer->CollectStyles(styleList);
// Write the version number
scVersion vers;
vers.major = 3;
vers.minor = 0;
WriteChunk(stream, kscVersion, sizeof(vers), &vers);
// Write some header info, global to the document
scHeader head;
head.defaultFormat = 0;
head.flags = htonl(fAutoRecalc ? kscAutoRecalc : 0);
head.functionCount = htons(gFuncCount);
head.cellCount = htonl(fContainer->GetCellCount());
WriteChunk(stream, kscHeader, sizeof(head), &head);
// Write a view
scView view;
view.windowRect = Window()->Frame(); swap_order(view.windowRect);
view.position = fPosition; swap_order(view.position);
view.frozen = fFrozen; swap_order(view.frozen);
view.curCell = fCurCell; swap_order(view.curCell);
view.selection = fSelection; swap_order(view.selection);
view.headingFont = htons(GetOffsetOf(fontList, fBorderFontID, usedFonts));
if (fShowGrid) view.flags |= kscShowGrid;
if (fShowBorders) view.flags |= kscShowHeadings;
if (fDisplayZero) view.flags |= kscDisplayZero; swap_order(view.flags);
WriteChunk(stream, kscView, sizeof(view), &view);
short size;
// Write the widths of the last view
size = fCellWidths.Count() * sizeof(short) * 2;
void *p = MALLOC(size);
FailNil(p);
fCellWidths.Write(p);
WriteChunk(stream, kscWidths, size, p);
FREE(p);
// And the heights of course
size = fCellHeights.Count() * sizeof(short) * 2;
p = MALLOC(size);
FailNil(p);
fCellHeights.Write(p);
WriteChunk(stream, kscHeights, size, p);
FREE(p);
// Then write the styles for the columns
size = fContainer->GetColumnStyles().Count() * sizeof(short) * 2;
p = MALLOC(size);
FailNil(p);
scCSElement *sp = (scCSElement *)p;
fContainer->GetColumnStyles().Write(p);
for (int i = 0; i < fContainer->GetColumnStyles().Count(); i++)
{
swap_order(sp[i].index);
sp[i].style = htons(GetOffsetOf(styleList, sp[i].style, usedStyles));
}
WriteChunk(stream, kscColStyles, size, p);
FREE(p);
// Continue with the names
namemap::iterator ni;
for (ni = fNames->begin(); ni != fNames->end(); ni++)
{
scName name;
char c;
ushort k = htons(kscName);
memset(name.name, 0, 32);
CHECKWRITE(stream, &k, 2);
strcpy(name.name, (*ni).first);
if ((*ni).second.BotRight() == (*ni).second.TopLeft())
{
k = htons(32 + 6);
CHECKWRITE(stream, &k, 2);
CHECKWRITE(stream, name.name, 32);
c = valCell;
CHECKWRITE(stream, &c, sizeof(c));
cell C = (*ni).second.BotRight();
swap_order(C);
CHECKWRITE(stream, &C, sizeof(cell));
}
else
{
k = htons(32 + 10);
CHECKWRITE(stream, &k, 2);
CHECKWRITE(stream, name.name, 32);
c = valRange;
CHECKWRITE(stream, &c, sizeof(c));
range r = (*ni).second;
swap_order(r);
CHECKWRITE(stream, &r, sizeof(range));
}
c = opEnd;
CHECKWRITE(stream, &c, sizeof(c));
}
// Then there are the functions used in this document
CSet funcs;
fContainer->CollectFunctionNrs(funcs);
for (int i = kFunctionCount; i < gFuncCount; i++)
if (funcs[i])
{
scFunc func;
memset(func.name, 0, 10);
strcpy(func.name, gFuncArrayByNr[i].funcName);
func.argCnt = htons(gFuncArrayByNr[i].argCnt);
func.funcNr = htons(gFuncArrayByNr[i].funcNr);
WriteChunk(stream, kscFunc, sizeof(func), &func);
}
// Followed by the formatting information. Fonts first
for (int i = 0; i < usedFonts; i++)
{
CFontMetrics fm = gFontSizeTable[fontList[i]];
scFont *font;
font_family fam;
font_style sty;
fm.Font().GetFamilyAndStyle(&fam, &sty);
ulong size = sizeof(scFont) + strlen(fam) + strlen(sty) + 2;
font = (scFont *)CALLOC(1, size);
FailNil(font);
font->size = B_HOST_TO_BENDIAN_FLOAT(fm.Font().Size());
font->color = fm.FontColor();
char *p = (char *)font + sizeof(scFont);
strcpy(p, sty);
p += strlen(sty) + 1;
strcpy(p, fam);
WriteChunk(stream, kscFont, size, font);
FREE(font);
}
// Then we get the number formats
int *formatList, usedFormats;
formatList = (int *)MALLOC(gFormatTable.Count() * sizeof(int));
FailNil(formatList);
usedFormats = fContainer->CollectFormats(formatList);
for (int i = 0; i < usedFormats; i++)
{
CFormatter nf;
if (formatList[i] < eFirstNewFormat)
nf = CFormatter(formatList[i]);
else
nf = gFormatTable[formatList[i]];
scFormat format;
format.nr = htons(nf.FormatID());
format.info[0] = 0;
format.info[1] = 0;
format.info[2] = 0;
format.info[3] = 0;
WriteChunk(stream, kscFormat, sizeof(format)-1, &format);
}
// The style table
for (int i = 0; i < usedStyles; i++)
{
CellStyle cs = gStyleTable[styleList[i]];
scStyle style;
memset(&style, 0, sizeof(style));
style.font = htons(GetOffsetOf(fontList, cs.fFont, usedFonts));
style.format = htons(GetOffsetOf(formatList, cs.fFormat, usedFormats));
style.align = cs.fAlignment;
style.lowColor = cs.fLowColor;
WriteChunk(stream, kscStyle, sizeof(style), &style);
}
FREE(fontList);
FREE(formatList);
int *t = (int *)CALLOC(gStyleTable.Count(), sizeof(int));
FailNil(t);
for (int i = 0; i < usedStyles; i++)
t[styleList[i]] = i;
FREE(styleList);
styleList = t;
// And now its time for some data
StProgress progress(this, fContainer->GetCellCount(), pColorYellow, false);
CCellIterator iter(fContainer);
cell c;
while (iter.NextExisting(c))
{
scCell cl;
cl.loc = c; swap_order(cl.loc);
cl.style = htons(styleList[fContainer->GetCellStyleNr(c)]);
Value val;
fContainer->GetValue(c, val);
switch (val.fType)
{
case eNoData:
WriteChunk(stream, kscCellEmpty, kscCellSize, &cl);
break;
case eNumData:
{
double d = B_HOST_TO_BENDIAN_DOUBLE(val.fDouble);
memcpy(cl.num, &d, sizeof(double));
WriteChunk(stream, kscCellNumber, kscCellSize+sizeof(double), &cl);
break;
}
case eBoolData:
memcpy(cl.num, &val.fBool, sizeof(bool));
WriteChunk(stream, kscCellBool, kscCellSize+sizeof(bool), &cl);
break;
case eTimeData:
{
time_t t = htonl(val.fTime);
memcpy(cl.num, &t, sizeof(time_t));
WriteChunk(stream, kscCellDateTime, kscCellSize+sizeof(time_t), &cl);
break;
}
case eTextData:
{
WriteChunk(stream, kscCellText, kscCellSize, &cl);
const char *t = val;
WriteChunk(stream, kscString, strlen(t) + 1, t);
break;
}
default:
// there was a warning about not all enum values handled in
// switch statement.
break;
}
CFormula form = fContainer->GetCellFormula(c);
if (form.IsFormula())
{
BMallocIO buf;
form.Write(buf);
WriteChunk(stream, kscFormula, buf.BufferLength(), buf.Buffer());
}
progress.Step();
}
WriteCharts(stream);
// cleanup the mess
WriteChunk(stream, kscEnd, 0, NULL);
FREE(styleList);
}
