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XPath: Remove evaluate_string_impl

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It adds one stack frame to string query evaluation and does not really
simplify the code.
This commit is contained in:
Arseny Kapoulkine 2017-02-05 21:50:13 -08:00
parent a9fe2bb62e
commit 00e39c581a
1 changed files with 24 additions and 22 deletions
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46
src/pugixml.cpp
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@ -11815,26 +11815,6 @@ PUGI__NS_BEGIN
bool oom;
};
PUGI__FN xpath_string evaluate_string_impl(xpath_query_impl* impl, const xpath_node& n, xpath_stack_data& sd)
{
if (!impl) return xpath_string();
xpath_context c(n, 1, 1);
xpath_string r = impl->root->eval_string(c, sd.stack);
if (sd.oom)
{
#ifdef PUGIXML_NO_EXCEPTIONS
return xpath_string();
#else
throw std::bad_alloc();
#endif
}
return r;
}
PUGI__FN impl::xpath_ast_node* evaluate_node_set_prepare(xpath_query_impl* impl)
{
if (!impl) return 0;
@ -12504,9 +12484,21 @@ namespace pugi
#ifndef PUGIXML_NO_STL
PUGI__FN string_t xpath_query::evaluate_string(const xpath_node& n) const
{
if (!_impl) return string_t();
impl::xpath_context c(n, 1, 1);
impl::xpath_stack_data sd;
impl::xpath_string r = impl::evaluate_string_impl(static_cast<impl::xpath_query_impl*>(_impl), n, sd);
impl::xpath_string r = static_cast<impl::xpath_query_impl*>(_impl)->root->eval_string(c, sd.stack);
if (sd.oom)
{
#ifdef PUGIXML_NO_EXCEPTIONS
return string_t();
#else
throw std::bad_alloc();
#endif
}
return string_t(r.c_str(), r.length());
}
@ -12514,9 +12506,19 @@ namespace pugi
PUGI__FN size_t xpath_query::evaluate_string(char_t* buffer, size_t capacity, const xpath_node& n) const
{
impl::xpath_context c(n, 1, 1);
impl::xpath_stack_data sd;
impl::xpath_string r = impl::evaluate_string_impl(static_cast<impl::xpath_query_impl*>(_impl), n, sd);
impl::xpath_string r = _impl ? static_cast<impl::xpath_query_impl*>(_impl)->root->eval_string(c, sd.stack) : impl::xpath_string();
if (sd.oom)
{
#ifdef PUGIXML_NO_EXCEPTIONS
r = impl::xpath_string();
#else
throw std::bad_alloc();
#endif
}
size_t full_size = r.length() + 1;