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use memoization to replace cached static qnames

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This commit is contained in:
Thomas Fussell 2017-09-08 18:03:56 -04:00
parent 85010f9f11
commit bbdace8b44
1 changed files with 12 additions and 18 deletions
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30
source/detail/serialization/xlsx_consumer.cpp
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@ -150,12 +150,6 @@ void xlsx_consumer::open(std::istream &source)
populate_workbook(true);
}
// caching frequently used names
static const auto sheetData_el = qn("spreadsheetml", "sheetData");
static const auto row_el = qn("spreadsheetml", "row");
static const auto cell_el = qn("spreadsheetml", "c");
static const auto val_el = qn("spreadsheetml", "v");
cell xlsx_consumer::read_cell()
{
if (!has_cell())
@ -165,9 +159,9 @@ cell xlsx_consumer::read_cell()
auto ws = worksheet(current_worksheet_);
if (in_element(sheetData_el))
if (in_element(qn("spreadsheetml", "sheetData")))
{
expect_start_element(row_el, xml::content::complex); // CT_Row
expect_start_element(qn("spreadsheetml", "row"), xml::content::complex); // CT_Row
auto row_index = static_cast<row_t>(std::stoul(parser().attribute("r")));
if (parser().attribute_present("ht"))
@ -190,12 +184,12 @@ cell xlsx_consumer::read_cell()
"ph", "spans" });
}
if (!in_element(row_el))
if (!in_element(qn("spreadsheetml", "row")))
{
return cell(nullptr);
}
expect_start_element(cell_el, xml::content::complex);
expect_start_element(qn("spreadsheetml", "c"), xml::content::complex);
auto cell = streaming_ ? xlnt::cell(streaming_cell_.get())
: ws.cell(cell_reference(parser().attribute("r")));
@ -217,11 +211,11 @@ cell xlsx_consumer::read_cell()
auto has_shared_formula = false;
auto formula_value_string = std::string();
while (in_element(cell_el))
while (in_element(qn("spreadsheetml", "c")))
{
auto current_element = expect_start_element(xml::content::mixed);
if (current_element == val_el) // s:ST_Xstring
if (current_element == qn("spreadsheetml", "v")) // s:ST_Xstring
{
has_value = true;
value_string = read_text();
@ -297,13 +291,13 @@ cell xlsx_consumer::read_cell()
cell.format(target_.format(format_id));
}
if (!in_element(row_el))
if (!in_element(qn("spreadsheetml", "row")))
{
expect_end_element(row_el);
expect_end_element(qn("spreadsheetml", "row"));
if (!in_element(sheetData_el))
if (!in_element(qn("spreadsheetml", "sheetData")))
{
expect_end_element(sheetData_el);
expect_end_element(qn("spreadsheetml", "sheetData"));
}
}
@ -1030,8 +1024,8 @@ xml::parser &xlsx_consumer::parser()
bool xlsx_consumer::has_cell()
{
return in_element(row_el)
|| in_element(sheetData_el);
return in_element(qn("spreadsheetml", "row"))
|| in_element(qn("spreadsheetml", "sheetData"));
}
std::vector<relationship> xlsx_consumer::read_relationships(const path &part)