Skip to content

Commit

Permalink
No commit message
Browse files Browse the repository at this point in the history
  • Loading branch information
@brechtsanders
brechtsanders committed Mar 20, 2016
1 parent fe07d1a commit e7008bc
Show file tree
Hide file tree
Showing 2 changed files with 77 additions and 40 deletions.
52 changes: 36 additions & 16 deletions examples/example_xlsxio_write_cpp.cpp
View file
Original file line number Diff line number Diff line change
Expand Up @@ -7,43 +7,56 @@ class XLSXIOWriter
private:
xlsxiowriter handle;
public:
XLSXIOWriter (const char* filename);
XLSXIOWriter (const char* filename, const char* sheetname = NULL, size_t detectionrows = 5);
~XLSXIOWriter ();
void AddCell (const char* value);
void AddCell (long long value);
void AddCell (double value);
void AddCell (time_t value);
void SetRowHeight (size_t height = 0);
void AddColumn (const char* name, int width = 0);
void AddCellString (const char* value);
void AddCellInt (long long value);
void AddCellFloat (double value);
void AddCellDateTime (time_t value);
void NextRow ();
};



XLSXIOWriter::XLSXIOWriter (const char* filename)
XLSXIOWriter::XLSXIOWriter (const char* filename, const char* sheetname, size_t detectionrows)
{
unlink(filename);
handle = xlsxiowrite_open(filename);
handle = xlsxiowrite_open(filename, sheetname);
xlsxiowrite_set_detection_rows(handle, detectionrows);
}

XLSXIOWriter::~XLSXIOWriter ()
{
xlsxiowrite_close(handle);
}

void XLSXIOWriter::AddCell (const char* value)
void XLSXIOWriter::SetRowHeight (size_t height)
{
xlsxiowrite_set_row_height(handle, height);
}

void XLSXIOWriter::AddColumn (const char* name, int width)
{
xlsxiowrite_add_column(handle, name, width);
}

void XLSXIOWriter::AddCellString (const char* value)
{
xlsxiowrite_add_cell_string(handle, value);
}

void XLSXIOWriter::AddCell (long long value)
void XLSXIOWriter::AddCellInt (long long value)
{
xlsxiowrite_add_cell_int(handle, value);
}

void XLSXIOWriter::AddCell (double value)
void XLSXIOWriter::AddCellFloat (double value)
{
xlsxiowrite_add_cell_float(handle, value);
}
void XLSXIOWriter::AddCell (time_t value)
void XLSXIOWriter::AddCellDateTime (time_t value)
{
xlsxiowrite_add_cell_datetime(handle, value);
}
Expand All @@ -60,13 +73,20 @@ const char* filename = "example.xlsx";
int main (int argc, char* argv[])
{
XLSXIOWriter* xlsxfile = new XLSXIOWriter(filename);
xlsxfile->SetRowHeight(1);
xlsxfile->AddColumn("Col1");
xlsxfile->AddColumn("Col2");
xlsxfile->AddColumn("Col3");
xlsxfile->AddColumn("Col4");
xlsxfile->AddColumn("Col5");
xlsxfile->NextRow();
int i;
for (i = 0; i < 1000; i++) {
xlsxfile->AddCell("Test");
xlsxfile->AddCell((char*)NULL);
xlsxfile->AddCell((long long)i);
xlsxfile->AddCell(time(NULL));
xlsxfile->AddCell(3.1415926);
xlsxfile->AddCellString("Test");
xlsxfile->AddCellString((char*)NULL);
xlsxfile->AddCellInt((long long)i);
xlsxfile->AddCellDateTime(time(NULL));
xlsxfile->AddCellFloat(3.1415926);
xlsxfile->NextRow();
}
delete xlsxfile;
Expand Down
65 changes: 41 additions & 24 deletions lib/xlsxio_write.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -205,8 +205,9 @@ const char* workbook_xml =

const char* worksheet_xml_begin =
"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\r\n"
"<worksheet xmlns=\"http://schemas.openxmlformats.org/spreadsheetml/2006/main\" xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\">"
//"<dimension ref=\"A1:R2\"/>"
"<worksheet xmlns=\"http://schemas.openxmlformats.org/spreadsheetml/2006/main\" xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\">";

const char* worksheet_xml_freeze_top_row =
"<sheetViews>"
"<sheetView tabSelected=\"1\" workbookViewId=\"0\">"
"<pane ySplit=\"1\" topLeftCell=\"A2\" activePane=\"bottomLeft\" state=\"frozen\"/>"
Expand Down Expand Up @@ -343,6 +344,7 @@ struct xlsxio_write_struct {
size_t buflen;
size_t rowstobuffer;
size_t rowheight;
int freezetop;
int sheetopen;
int rowopen;
};
Expand Down Expand Up @@ -439,6 +441,7 @@ DLL_EXPORT_XLSXIO xlsxiowriter xlsxiowrite_open (const char* filename, const cha
handle->buflen = 0;
handle->rowstobuffer = DEFAULT_BUFFERED_ROWS;
handle->rowheight = 0;
handle->freezetop = 0;
handle->sheetopen = 0;
handle->rowopen = 0;
//create pipe
Expand Down Expand Up @@ -509,6 +512,7 @@ DLL_EXPORT_XLSXIO int xlsxiowrite_close (xlsxiowriter handle)
#define STYLE_ATTR(style) ""
#endif

//add data to a null-terminated buffer and update the length counter
int vappend_data (char** pdata, size_t* pdatalen, const char* format, va_list args)
{
int len;
Expand All @@ -526,6 +530,7 @@ int vappend_data (char** pdata, size_t* pdatalen, const char* format, va_list ar
return len;
}

//add formatted data to a null-terminated buffer and update the length counter
int append_data (char** pdata, size_t* pdatalen, const char* format, ...)
{
int result;
Expand All @@ -536,27 +541,32 @@ int append_data (char** pdata, size_t* pdatalen, const char* format, ...)
return result;
}

//output start of row
void write_row_start (xlsxiowriter handle, const char* rowattr)
{
if (handle->sheetopen) {
if (!handle->rowheight)
fprintf(handle->pipe_write, "<row%s>", (rowattr ? rowattr : ""));
else
fprintf(handle->pipe_write, "<row ht=\"%.6G\" customHeight=\"1\"%s>", (double)handle->rowheight * 12.75, (rowattr ? rowattr : ""));
} else {
if (!handle->rowheight)
append_data(&handle->buf, &handle->buflen, "<row%s>", (rowattr ? rowattr : ""));
else
append_data(&handle->buf, &handle->buflen, "<row ht=\"%.6G\" customHeight=\"1\"%s>", (double)handle->rowheight * 12.75, (rowattr ? rowattr : ""));
}
handle->rowopen = 1;
}

//output cell data
void write_cell_data (xlsxiowriter handle, const char* rowattr, const char* prefix, const char* suffix, const char* format, ...)
{
va_list args;
if (!handle)
return;
//start new row if needed
if (!handle->rowopen) {
//open new row
if (handle->sheetopen) {
if (!handle->rowheight)
fprintf(handle->pipe_write, "<row%s>", (rowattr ? rowattr : ""));
else
fprintf(handle->pipe_write, "<row ht=\"%.6G\" customHeight=\"1\"%s>", (double)handle->rowheight * 12.75, (rowattr ? rowattr : ""));
} else {
if (!handle->rowheight)
append_data(&handle->buf, &handle->buflen, "<row%s>", (rowattr ? rowattr : ""));
else
append_data(&handle->buf, &handle->buflen, "<row ht=\"%.6G\" customHeight=\"1\"%s>", (double)handle->rowheight * 12.75, (rowattr ? rowattr : ""));
}
handle->rowopen = 1;
}
if (!handle->rowopen)
write_row_start(handle, rowattr);
//get formatted data
int datalen;
char* data;
Expand Down Expand Up @@ -617,8 +627,12 @@ void write_cell_data (xlsxiowriter handle, const char* rowattr, const char* pref
free(data);
}

//output buffered data and stop buffering
void flush_buffer (xlsxiowriter handle)
{
//write section to freeze top row
if (handle->freezetop > 0)
fprintf(handle->pipe_write, "%s", worksheet_xml_freeze_top_row);
//default to row height of 1 line
//fprintf(handle->pipe_write, "<sheetFormatPr defaultRowHeight=\"%.6G\" customHeight=\"1\"/>", (double)12.75);
//write column information
Expand Down Expand Up @@ -688,6 +702,8 @@ DLL_EXPORT_XLSXIO void xlsxiowrite_add_column (xlsxiowriter handle, const char*
write_cell_data(handle, STYLE_ATTR(STYLE_HEADER), "<c" STYLE_ATTR(STYLE_HEADER) "/>", NULL, NULL);
if (*pcolinfo)
(*pcolinfo)->width = width;
if (handle->freezetop == 0)
handle->freezetop = 1;
}

DLL_EXPORT_XLSXIO void xlsxiowrite_add_cell_string (xlsxiowriter handle, const char* value)
Expand Down Expand Up @@ -738,13 +754,14 @@ DLL_EXPORT_XLSXIO void xlsxiowrite_next_row (xlsxiowriter handle)
}
}
}
//close previous row if needed
if (handle->rowopen) {
if (handle->rowstobuffer == 0)
fprintf(handle->pipe_write, "</row>");
else
append_data(&handle->buf, &handle->buflen, "</row>");
}
//start new row if needed
if (!handle->rowopen)
write_row_start(handle, NULL);
//end row
if (handle->rowstobuffer == 0)
fprintf(handle->pipe_write, "</row>");
else
append_data(&handle->buf, &handle->buflen, "</row>");
handle->rowopen = 0;
handle->pcurrentcolumn = &handle->columninfo;
}
Expand Down

0 comments on commit e7008bc

Please sign in to comment.