diff options
Diffstat (limited to 'src/pugixpath.cpp')
| -rw-r--r-- | src/pugixpath.cpp | 420 |
1 files changed, 234 insertions, 186 deletions
diff --git a/src/pugixpath.cpp b/src/pugixpath.cpp index 75b5844..f94cefd 100644 --- a/src/pugixpath.cpp +++ b/src/pugixpath.cpp @@ -1,6 +1,6 @@ ///////////////////////////////////////////////////////////////////////////////
//
-// Pug Improved XML Parser - Version 0.3
+// Pug Improved XML Parser - Version 0.34
// --------------------------------------------------------
// Copyright (C) 2006-2007, by Arseny Kapoulkine (arseny.kapoulkine@gmail.com)
// This work is based on the pugxml parser, which is:
@@ -30,6 +30,17 @@ # pragma warning(disable: 4996) // this function or variable may be unsafe
#endif
+#if defined(_MSC_VER) && _MSC_VER == 1200
+// MSVC6 workaround
+namespace std
+{
+ template <typename T> const T& min(const T& a, const T& b)
+ {
+ return _cpp_min(a, b);
+ }
+}
+#endif
+
namespace
{
using namespace pugi;
@@ -176,7 +187,7 @@ namespace return false;
else // lp is parent, ln & rn are distinct siblings
{
- for (; ln; ln = ln.next_sibling());
+ for (; ln; ln = ln.next_sibling())
if (ln == rn)
return true;
@@ -256,7 +267,7 @@ namespace {
#if defined(__USE_ISOC99)
return isnan(value);
-#elif defined(_MSC_VER) || defined(__BORLANDC__)
+#elif (defined(_MSC_VER) || defined(__BORLANDC__)) && !defined(__COMO__)
return !!_isnan(value);
#elif FLT_RADIX == 2 && DBL_MAX_EXP == 1024 && DBL_MANT_DIG == 53
// IEEE 754
@@ -275,7 +286,7 @@ namespace {
#if defined(__USE_ISOC99)
return !isfinite(value);
-#elif defined(_MSC_VER) || defined(__BORLANDC__)
+#elif (defined(_MSC_VER) || defined(__BORLANDC__)) && !defined(__COMO__)
return !_finite(value);
#elif FLT_RADIX == 2 && DBL_MAX_EXP == 1024 && DBL_MANT_DIG == 53
// IEEE 754
@@ -371,7 +382,7 @@ namespace double ieee754_round(double value)
{
- return value == value ? floor(value + 0.5) : value;
+ return is_nan(value) ? value : floor(value + 0.5);
}
const char* local_name(const char* name)
@@ -550,6 +561,8 @@ namespace pugi return block->data;
}
}
+
+ void* node();
};
xpath_node::xpath_node()
@@ -1155,6 +1168,13 @@ namespace pugi nodetest_all,
nodetest_all_in_namespace
};
+
+ template <axis_t N> struct axis_to_type
+ {
+ static const axis_t axis;
+ };
+
+ template <axis_t N> const axis_t axis_to_type<N>::axis = N;
class xpath_ast_node
{
@@ -1181,65 +1201,109 @@ namespace pugi xpath_ast_node(const xpath_ast_node&);
xpath_ast_node& operator=(const xpath_ast_node&);
- template <class Cbool, class Cdouble, class Cstring> bool compare_eq(xpath_ast_node* lhs, xpath_ast_node* rhs, xpath_context& c)
+ template <class Cbool, class Cdouble, class Cstring> struct compare_eq
{
- if (lhs->rettype() != ast_type_node_set && rhs->rettype() != ast_type_node_set)
+ static bool run(xpath_ast_node* lhs, xpath_ast_node* rhs, xpath_context& c)
{
- if (lhs->rettype() == ast_type_boolean || rhs->rettype() == ast_type_boolean)
- return Cbool()(lhs->eval_boolean(c), rhs->eval_boolean(c));
- else if (lhs->rettype() == ast_type_number || rhs->rettype() == ast_type_number)
- return Cdouble()(lhs->eval_number(c), rhs->eval_number(c));
- else if (lhs->rettype() == ast_type_string || rhs->rettype() == ast_type_string)
- return Cstring()(lhs->eval_string(c), rhs->eval_string(c));
- else
- {
- assert(!"Wrong types");
- return false;
- }
- }
- else if (lhs->rettype() == ast_type_node_set && rhs->rettype() == ast_type_node_set)
- {
- xpath_node_set ls = lhs->eval_node_set(c);
- xpath_node_set rs = rhs->eval_node_set(c);
-
- for (xpath_node_set::const_iterator li = ls.begin(); li != ls.end(); ++li)
- for (xpath_node_set::const_iterator ri = rs.begin(); ri != rs.end(); ++ri)
+ if (lhs->rettype() != ast_type_node_set && rhs->rettype() != ast_type_node_set)
{
- if (Cstring()(string_value(*li), string_value(*ri)))
- return true;
+ if (lhs->rettype() == ast_type_boolean || rhs->rettype() == ast_type_boolean)
+ return Cbool()(lhs->eval_boolean(c), rhs->eval_boolean(c));
+ else if (lhs->rettype() == ast_type_number || rhs->rettype() == ast_type_number)
+ return Cdouble()(lhs->eval_number(c), rhs->eval_number(c));
+ else if (lhs->rettype() == ast_type_string || rhs->rettype() == ast_type_string)
+ return Cstring()(lhs->eval_string(c), rhs->eval_string(c));
+ else
+ {
+ assert(!"Wrong types");
+ return false;
+ }
}
-
- return false;
- }
- else if (lhs->rettype() != ast_type_node_set && rhs->rettype() == ast_type_node_set)
- {
- if (lhs->rettype() == ast_type_boolean)
- return Cbool()(lhs->eval_boolean(c), rhs->eval_boolean(c));
- else if (lhs->rettype() == ast_type_number)
+ else if (lhs->rettype() == ast_type_node_set && rhs->rettype() == ast_type_node_set)
{
- double l = lhs->eval_number(c);
+ xpath_node_set ls = lhs->eval_node_set(c);
xpath_node_set rs = rhs->eval_node_set(c);
+ for (xpath_node_set::const_iterator li = ls.begin(); li != ls.end(); ++li)
for (xpath_node_set::const_iterator ri = rs.begin(); ri != rs.end(); ++ri)
{
- if (Cdouble()(l, convert_string_to_number(string_value(*ri).c_str())) == true)
+ if (Cstring()(string_value(*li), string_value(*ri)))
return true;
}
return false;
}
- else if (lhs->rettype() == ast_type_string)
+ else if (lhs->rettype() != ast_type_node_set && rhs->rettype() == ast_type_node_set)
{
- std::string l = lhs->eval_string(c);
- xpath_node_set rs = rhs->eval_node_set(c);
+ if (lhs->rettype() == ast_type_boolean)
+ return Cbool()(lhs->eval_boolean(c), rhs->eval_boolean(c));
+ else if (lhs->rettype() == ast_type_number)
+ {
+ double l = lhs->eval_number(c);
+ xpath_node_set rs = rhs->eval_node_set(c);
+
+ for (xpath_node_set::const_iterator ri = rs.begin(); ri != rs.end(); ++ri)
+ {
+ if (Cdouble()(l, convert_string_to_number(string_value(*ri).c_str())) == true)
+ return true;
+ }
+
+ return false;
+ }
+ else if (lhs->rettype() == ast_type_string)
+ {
+ std::string l = lhs->eval_string(c);
+ xpath_node_set rs = rhs->eval_node_set(c);
- for (xpath_node_set::const_iterator ri = rs.begin(); ri != rs.end(); ++ri)
+ for (xpath_node_set::const_iterator ri = rs.begin(); ri != rs.end(); ++ri)
+ {
+ if (Cstring()(l, string_value(*ri)) == true)
+ return true;
+ }
+
+ return false;
+ }
+ else
{
- if (Cstring()(l, string_value(*ri)) == true)
- return true;
+ assert(!"Wrong types");
+ return false;
+ }
+ }
+ else if (lhs->rettype() == ast_type_node_set && rhs->rettype() != ast_type_node_set)
+ {
+ if (rhs->rettype() == ast_type_boolean)
+ return Cbool()(lhs->eval_boolean(c), rhs->eval_boolean(c));
+ else if (rhs->rettype() == ast_type_number)
+ {
+ xpath_node_set ls = lhs->eval_node_set(c);
+ double r = rhs->eval_number(c);
+
+ for (xpath_node_set::const_iterator li = ls.begin(); li != ls.end(); ++li)
+ {
+ if (Cdouble()(convert_string_to_number(string_value(*li).c_str()), r) == true)
+ return true;
+ }
+
+ return false;
+ }
+ else if (rhs->rettype() == ast_type_string)
+ {
+ xpath_node_set ls = lhs->eval_node_set(c);
+ std::string r = rhs->eval_string(c);
+
+ for (xpath_node_set::const_iterator li = ls.begin(); li != ls.end(); ++li)
+ {
+ if (Cstring()(string_value(*li), r) == true)
+ return true;
+ }
+
+ return false;
+ }
+ else
+ {
+ assert(!"Wrong types");
+ return false;
}
-
- return false;
}
else
{
@@ -1247,31 +1311,53 @@ namespace pugi return false;
}
}
- else if (lhs->rettype() == ast_type_node_set && rhs->rettype() != ast_type_node_set)
+ };
+
+ template <class Cdouble> struct compare_rel
+ {
+ static bool run(xpath_ast_node* lhs, xpath_ast_node* rhs, xpath_context& c)
{
- if (rhs->rettype() == ast_type_boolean)
- return Cbool()(lhs->eval_boolean(c), rhs->eval_boolean(c));
- else if (rhs->rettype() == ast_type_number)
+ if (lhs->rettype() != ast_type_node_set && rhs->rettype() != ast_type_node_set)
+ return Cdouble()(lhs->eval_number(c), rhs->eval_number(c));
+ else if (lhs->rettype() == ast_type_node_set && rhs->rettype() == ast_type_node_set)
{
xpath_node_set ls = lhs->eval_node_set(c);
- double r = rhs->eval_number(c);
-
+ xpath_node_set rs = rhs->eval_node_set(c);
+
for (xpath_node_set::const_iterator li = ls.begin(); li != ls.end(); ++li)
{
- if (Cdouble()(convert_string_to_number(string_value(*li).c_str()), r) == true)
+ double l = convert_string_to_number(string_value(*li).c_str());
+
+ for (xpath_node_set::const_iterator ri = rs.begin(); ri != rs.end(); ++ri)
+ {
+ if (Cdouble()(l, convert_string_to_number(string_value(*ri).c_str())) == true)
+ return true;
+ }
+ }
+
+ return false;
+ }
+ else if (lhs->rettype() != ast_type_node_set && rhs->rettype() == ast_type_node_set)
+ {
+ double l = lhs->eval_number(c);
+ xpath_node_set rs = rhs->eval_node_set(c);
+
+ for (xpath_node_set::const_iterator ri = rs.begin(); ri != rs.end(); ++ri)
+ {
+ if (Cdouble()(l, convert_string_to_number(string_value(*ri).c_str())) == true)
return true;
}
return false;
}
- else if (rhs->rettype() == ast_type_string)
+ else if (lhs->rettype() == ast_type_node_set && rhs->rettype() != ast_type_node_set)
{
xpath_node_set ls = lhs->eval_node_set(c);
- std::string r = rhs->eval_string(c);
+ double r = rhs->eval_number(c);
for (xpath_node_set::const_iterator li = ls.begin(); li != ls.end(); ++li)
{
- if (Cstring()(string_value(*li), r) == true)
+ if (Cdouble()(convert_string_to_number(string_value(*li).c_str()), r) == true)
return true;
}
@@ -1283,68 +1369,8 @@ namespace pugi return false;
}
}
- else
- {
- assert(!"Wrong types");
- return false;
- }
- }
-
- template <class Cdouble> bool compare_rel(xpath_ast_node* lhs, xpath_ast_node* rhs, xpath_context& c)
- {
- if (lhs->rettype() != ast_type_node_set && rhs->rettype() != ast_type_node_set)
- return Cdouble()(lhs->eval_number(c), rhs->eval_number(c));
- else if (lhs->rettype() == ast_type_node_set && rhs->rettype() == ast_type_node_set)
- {
- xpath_node_set ls = lhs->eval_node_set(c);
- xpath_node_set rs = rhs->eval_node_set(c);
-
- for (xpath_node_set::const_iterator li = ls.begin(); li != ls.end(); ++li)
- {
- double l = convert_string_to_number(string_value(*li).c_str());
-
- for (xpath_node_set::const_iterator ri = rs.begin(); ri != rs.end(); ++ri)
- {
- if (Cdouble()(l, convert_string_to_number(string_value(*ri).c_str())) == true)
- return true;
- }
- }
-
- return false;
- }
- else if (lhs->rettype() != ast_type_node_set && rhs->rettype() == ast_type_node_set)
- {
- double l = lhs->eval_number(c);
- xpath_node_set rs = rhs->eval_node_set(c);
-
- for (xpath_node_set::const_iterator ri = rs.begin(); ri != rs.end(); ++ri)
- {
- if (Cdouble()(l, convert_string_to_number(string_value(*ri).c_str())) == true)
- return true;
- }
-
- return false;
- }
- else if (lhs->rettype() == ast_type_node_set && rhs->rettype() != ast_type_node_set)
- {
- xpath_node_set ls = lhs->eval_node_set(c);
- double r = rhs->eval_number(c);
+ };
- for (xpath_node_set::const_iterator li = ls.begin(); li != ls.end(); ++li)
- {
- if (Cdouble()(convert_string_to_number(string_value(*li).c_str()), r) == true)
- return true;
- }
-
- return false;
- }
- else
- {
- assert(!"Wrong types");
- return false;
- }
- }
-
void apply_predicate(xpath_node_set& ns, size_t first, xpath_ast_node* expr, const xpath_context& context)
{
xpath_context c;
@@ -1456,25 +1482,31 @@ namespace pugi }
}
- template <axis_t axis> void step_fill(xpath_node_set& ns, const xml_node& n)
+ template <class T> void step_fill(xpath_node_set& ns, const xml_node& n, T)
{
+ const axis_t axis = T::axis;
+
switch (axis)
{
case axis_attribute:
+ {
ns.m_type = ns.empty() ? xpath_node_set::type_sorted : xpath_node_set::type_unsorted;
for (xml_attribute a = n.first_attribute(); a; a = a.next_attribute())
step_push(ns, a, n);
break;
+ }
case axis_child:
+ {
ns.m_type = ns.empty() ? xpath_node_set::type_sorted : xpath_node_set::type_unsorted;
for (xml_node c = n.first_child(); c; c = c.next_sibling())
step_push(ns, c);
break;
+ }
case axis_descendant:
case axis_descendant_or_self:
@@ -1513,20 +1545,24 @@ namespace pugi }
case axis_following_sibling:
+ {
ns.m_type = ns.empty() ? xpath_node_set::type_sorted : xpath_node_set::type_unsorted;
for (xml_node c = n.next_sibling(); c; c = c.next_sibling())
step_push(ns, c);
break;
+ }
case axis_preceding_sibling:
+ {
ns.m_type = ns.empty() ? xpath_node_set::type_sorted_reverse : xpath_node_set::type_unsorted;
for (xml_node c = n.previous_sibling(); c; c = c.previous_sibling())
step_push(ns, c);
break;
+ }
case axis_following:
{
@@ -1623,8 +1659,10 @@ namespace pugi }
}
- template <axis_t axis> void step_fill(xpath_node_set& ns, const xml_attribute& a, const xml_node& p)
+ template <class T> void step_fill(xpath_node_set& ns, const xml_attribute& a, const xml_node& p, T)
{
+ const axis_t axis = T::axis;
+
switch (axis)
{
case axis_ancestor:
@@ -1652,8 +1690,10 @@ namespace pugi }
}
- template <axis_t axis> void step_do(xpath_node_set& ns, xpath_context& c)
+ template <class T> void step_do(xpath_node_set& ns, xpath_context& c, T v)
{
+ const axis_t axis = T::axis;
+
switch (axis)
{
case axis_parent:
@@ -1726,17 +1766,17 @@ namespace pugi size_t s = ns.size();
if (it->node())
- step_fill<axis>(ns, it->node());
+ step_fill(ns, it->node(), v);
else
- step_fill<axis>(ns, it->attribute(), it->parent());
+ step_fill(ns, it->attribute(), it->parent(), v);
apply_predicates(ns, s, c);
}
}
else
{
- if (c.n.node()) step_fill<axis>(ns, c.n.node());
- else step_fill<axis>(ns, c.n.attribute(), c.n.parent());
+ if (c.n.node()) step_fill(ns, c.n.node(), v);
+ else step_fill(ns, c.n.attribute(), c.n.parent(), v);
apply_predicates(ns, 0, c);
}
@@ -1760,14 +1800,14 @@ namespace pugi size_t s = ns.size();
if (it->node())
- step_fill<axis>(ns, it->node());
+ step_fill(ns, it->node(), v);
apply_predicates(ns, s, c);
}
}
else if (c.n.node())
{
- step_fill<axis>(ns, c.n.node());
+ step_fill(ns, c.n.node(), v);
apply_predicates(ns, 0, c);
}
@@ -1836,22 +1876,22 @@ namespace pugi else return m_right->eval_boolean(c);
case ast_op_equal:
- return compare_eq<equal_to<bool>, equal_to<double>, equal_to<std::string> >(m_left, m_right, c);
+ return compare_eq<equal_to<bool>, equal_to<double>, equal_to<std::string> >::run(m_left, m_right, c);
case ast_op_not_equal:
- return compare_eq<not_equal_to<bool>, not_equal_to<double>, not_equal_to<std::string> >(m_left, m_right, c);
+ return compare_eq<not_equal_to<bool>, not_equal_to<double>, not_equal_to<std::string> >::run(m_left, m_right, c);
case ast_op_less:
- return compare_rel<less<double> >(m_left, m_right, c);
+ return compare_rel<less<double> >::run(m_left, m_right, c);
case ast_op_greater:
- return compare_rel<greater<double> >(m_left, m_right, c);
+ return compare_rel<greater<double> >::run(m_left, m_right, c);
case ast_op_less_or_equal:
- return compare_rel<less_equal<double> >(m_left, m_right, c);
+ return compare_rel<less_equal<double> >::run(m_left, m_right, c);
case ast_op_greater_or_equal:
- return compare_rel<greater_equal<double> >(m_left, m_right, c);
+ return compare_rel<greater_equal<double> >::run(m_left, m_right, c);
case ast_func_starts_with:
return starts_with(m_left->eval_string(c), m_right->eval_string(c).c_str());
@@ -2125,7 +2165,7 @@ namespace pugi std::string s = m_left->eval_string(c);
double first = ieee754_round(m_right->eval_number(c));
- if (first != first) return ""; // NaN
+ if (is_nan(first)) return ""; // NaN
else if (first >= s.length() + 1) return "";
size_t pos = first < 1 ? 1 : (size_t)first;
@@ -2139,7 +2179,7 @@ namespace pugi double first = ieee754_round(m_right->eval_number(c));
double last = first + ieee754_round(m_third->eval_number(c));
- if (first != first || last != last) return "";
+ if (is_nan(first) || is_nan(last)) return "";
else if (first >= s.length() + 1) return "";
else if (first >= last) return "";
@@ -2305,55 +2345,55 @@ namespace pugi switch (m_axis)
{
case axis_ancestor:
- step_do<axis_ancestor>(ns, c);
+ step_do(ns, c, axis_to_type<axis_ancestor>());
break;
case axis_ancestor_or_self:
- step_do<axis_ancestor_or_self>(ns, c);
+ step_do(ns, c, axis_to_type<axis_ancestor_or_self>());
break;
case axis_attribute:
- step_do<axis_attribute>(ns, c);
+ step_do(ns, c, axis_to_type<axis_attribute>());
break;
case axis_child:
- step_do<axis_child>(ns, c);
+ step_do(ns, c, axis_to_type<axis_child>());
break;
case axis_descendant:
- step_do<axis_descendant>(ns, c);
+ step_do(ns, c, axis_to_type<axis_descendant>());
break;
case axis_descendant_or_self:
- step_do<axis_descendant_or_self>(ns, c);
+ step_do(ns, c, axis_to_type<axis_descendant_or_self>());
break;
case axis_following:
- step_do<axis_following>(ns, c);
+ step_do(ns, c, axis_to_type<axis_following>());
break;
case axis_following_sibling:
- step_do<axis_following_sibling>(ns, c);
+ step_do(ns, c, axis_to_type<axis_following_sibling>());
break;
case axis_namespace:
- step_do<axis_namespace>(ns, c);
+ step_do(ns, c, axis_to_type<axis_namespace>());
break;
case axis_parent:
- step_do<axis_parent>(ns, c);
+ step_do(ns, c, axis_to_type<axis_parent>());
break;
case axis_preceding:
- step_do<axis_preceding>(ns, c);
+ step_do(ns, c, axis_to_type<axis_preceding>());
break;
case axis_preceding_sibling:
- step_do<axis_preceding_sibling>(ns, c);
+ step_do(ns, c, axis_to_type<axis_preceding_sibling>());
break;
case axis_self:
- step_do<axis_self>(ns, c);
+ step_do(ns, c, axis_to_type<axis_self>());
break;
default:
@@ -2434,13 +2474,15 @@ namespace pugi return false;
case ast_func_concat:
+ {
if (m_left->contains(type)) return true;
for (xpath_ast_node* n = m_right; n; n = n->m_next)
if (n->contains(type)) return true;
return false;
-
+ }
+
case ast_func_starts_with:
case ast_func_contains:
case ast_func_substring_before:
@@ -2475,6 +2517,9 @@ namespace pugi default:
throw xpath_exception("Unknown semantics error");
+#ifdef __DMC__
+ return false; // Digital Mars C++
+#endif
}
}
@@ -2585,6 +2630,7 @@ namespace pugi break;
case ast_func_concat:
+ {
m_left->check_semantics();
for (xpath_ast_node* n = m_right; n; n = n->m_next)
@@ -2592,7 +2638,8 @@ namespace pugi m_rettype = ast_type_string;
break;
-
+ }
+
case ast_func_starts_with:
case ast_func_contains:
m_left->check_semantics();
@@ -2653,8 +2700,9 @@ namespace pugi if (m_left) m_left->check_semantics();
m_rettype = ast_type_number;
break;
-
+
case ast_step:
+ {
if (m_left)
{
m_left->check_semantics();
@@ -2667,6 +2715,7 @@ namespace pugi m_rettype = ast_type_node_set;
break;
+ }
case ast_step_root:
m_rettype = ast_type_node_set;
@@ -2681,17 +2730,13 @@ namespace pugi {
return m_rettype;
}
-
- void* operator new(size_t size, xpath_allocator& a)
- {
- return a.alloc(size);
- }
-
- void operator delete(void*, xpath_allocator&)
- {
- }
};
+ void* xpath_allocator::node()
+ {
+ return alloc(sizeof(xpath_ast_node));
+ }
+
class xpath_parser
{
private:
@@ -2713,7 +2758,7 @@ namespace pugi if (m_lexer.current() != lex_string)
throw xpath_exception("incorrect variable reference");
- xpath_ast_node* n = new (m_alloc) xpath_ast_node(ast_variable, m_lexer.contents(), m_alloc);
+ xpath_ast_node* n = new (m_alloc.node()) xpath_ast_node(ast_variable, m_lexer.contents(), m_alloc);
m_lexer.next();
return n;
@@ -2735,7 +2780,7 @@ namespace pugi case lex_quoted_string:
{
- xpath_ast_node* n = new (m_alloc) xpath_ast_node(ast_string_constant, m_lexer.contents(), m_alloc);
+ xpath_ast_node* n = new (m_alloc.node()) xpath_ast_node(ast_string_constant, m_lexer.contents(), m_alloc);
m_lexer.next();
return n;
@@ -2743,7 +2788,7 @@ namespace pugi case lex_number:
{
- xpath_ast_node* n = new (m_alloc) xpath_ast_node(ast_number_constant, m_lexer.contents(), m_alloc);
+ xpath_ast_node* n = new (m_alloc.node()) xpath_ast_node(ast_number_constant, m_lexer.contents(), m_alloc);
m_lexer.next();
return n;
@@ -2813,7 +2858,7 @@ namespace pugi else if (function == "concat" && argc == 2)
{
// set_next was done earlier
- return new (m_alloc) xpath_ast_node(ast_func_concat, args[0], args[1]);
+ return new (m_alloc.node()) xpath_ast_node(ast_func_concat, args[0], args[1]);
}
else if (function == "ceiling" && argc == 1)
type = ast_func_ceiling;
@@ -2919,10 +2964,10 @@ namespace pugi {
switch (argc)
{
- case 0: return new (m_alloc) xpath_ast_node(type);
- case 1: return new (m_alloc) xpath_ast_node(type, args[0]);
- case 2: return new (m_alloc) xpath_ast_node(type, args[0], args[1]);
- case 3: return new (m_alloc) xpath_ast_node(type, args[0], args[1], args[2]);
+ case 0: return new (m_alloc.node()) xpath_ast_node(type);
+ case 1: return new (m_alloc.node()) xpath_ast_node(type, args[0]);
+ case 2: return new (m_alloc.node()) xpath_ast_node(type, args[0], args[1]);
+ case 3: return new (m_alloc.node()) xpath_ast_node(type, args[0], args[1], args[2]);
}
}
@@ -2931,6 +2976,9 @@ namespace pugi default:
throw xpath_exception("unrecognizable primary expression");
+#ifdef __DMC__
+ return 0; // Digital Mars C++
+#endif
}
}
@@ -2945,7 +2993,7 @@ namespace pugi {
m_lexer.next();
- n = new (m_alloc) xpath_ast_node(ast_filter, n, parse_expression(), axis_child);
+ n = new (m_alloc.node()) xpath_ast_node(ast_filter, n, parse_expression(), axis_child);
if (m_lexer.current() != lex_close_square_brace)
throw xpath_exception("Unmatched square brace");
@@ -2975,13 +3023,13 @@ namespace pugi {
m_lexer.next();
- return new (m_alloc) xpath_ast_node(ast_step, set, axis_self, nodetest_type_node, 0, m_alloc);
+ return new (m_alloc.node()) xpath_ast_node(ast_step, set, axis_self, nodetest_type_node, 0, m_alloc);
}
else if (m_lexer.current() == lex_double_dot)
{
m_lexer.next();
- return new (m_alloc) xpath_ast_node(ast_step, set, axis_parent, nodetest_type_node, 0, m_alloc);
+ return new (m_alloc.node()) xpath_ast_node(ast_step, set, axis_parent, nodetest_type_node, 0, m_alloc);
}
else // implied child axis
axis = axis_child;
@@ -3104,7 +3152,7 @@ namespace pugi else
throw xpath_exception("Unrecognized node type");
- nt_name.clear();
+ nt_name.erase(nt_name.begin(), nt_name.end());
}
else if (nt_name == "processing-instruction")
{
@@ -3150,7 +3198,7 @@ namespace pugi }
else throw xpath_exception("Unrecognized node test");
- xpath_ast_node* n = new (m_alloc) xpath_ast_node(ast_step, set, axis, nt_type, nt_name.c_str(), m_alloc);
+ xpath_ast_node* n = new (m_alloc.node()) xpath_ast_node(ast_step, set, axis, nt_type, nt_name.c_str(), m_alloc);
xpath_ast_node* last = 0;
@@ -3158,7 +3206,7 @@ namespace pugi {
m_lexer.next();
- xpath_ast_node* pred = new (m_alloc) xpath_ast_node(ast_predicate, parse_expression(), 0, axis);
+ xpath_ast_node* pred = new (m_alloc.node()) xpath_ast_node(ast_predicate, parse_expression(), 0, axis);
if (m_lexer.current() != lex_close_square_brace)
throw xpath_exception("unmatched square brace");
@@ -3184,7 +3232,7 @@ namespace pugi m_lexer.next();
if (l == lex_double_slash)
- n = new (m_alloc) xpath_ast_node(ast_step, n, axis_descendant_or_self, nodetest_type_node, 0, m_alloc);
+ n = new (m_alloc.node()) xpath_ast_node(ast_step, n, axis_descendant_or_self, nodetest_type_node, 0, m_alloc);
n = parse_step(n);
}
@@ -3203,7 +3251,7 @@ namespace pugi m_lexer.next();
- xpath_ast_node* n = new (m_alloc) xpath_ast_node(ast_step_root);
+ xpath_ast_node* n = new (m_alloc.node()) xpath_ast_node(ast_step_root);
try
{
@@ -3220,8 +3268,8 @@ namespace pugi {
m_lexer.next();
- xpath_ast_node* n = new (m_alloc) xpath_ast_node(ast_step_root);
- n = new (m_alloc) xpath_ast_node(ast_step, n, axis_descendant_or_self, nodetest_type_node, 0, m_alloc);
+ xpath_ast_node* n = new (m_alloc.node()) xpath_ast_node(ast_step_root);
+ n = new (m_alloc.node()) xpath_ast_node(ast_step, n, axis_descendant_or_self, nodetest_type_node, 0, m_alloc);
return parse_relative_location_path(n);
}
@@ -3266,7 +3314,7 @@ namespace pugi m_lexer.next();
if (l == lex_double_slash)
- n = new (m_alloc) xpath_ast_node(ast_step, n, axis_descendant_or_self, nodetest_type_node, 0, m_alloc);
+ n = new (m_alloc.node()) xpath_ast_node(ast_step, n, axis_descendant_or_self, nodetest_type_node, 0, m_alloc);
// select from location path
return parse_relative_location_path(n);
@@ -3286,7 +3334,7 @@ namespace pugi {
m_lexer.next();
- n = new (m_alloc) xpath_ast_node(ast_op_union, n, parse_union_expression());
+ n = new (m_alloc.node()) xpath_ast_node(ast_op_union, n, parse_union_expression());
}
return n;
@@ -3299,7 +3347,7 @@ namespace pugi {
m_lexer.next();
- return new (m_alloc) xpath_ast_node(ast_op_negate, parse_unary_expression());
+ return new (m_alloc.node()) xpath_ast_node(ast_op_negate, parse_unary_expression());
}
else return parse_union_expression();
}
@@ -3319,7 +3367,7 @@ namespace pugi !strcmp(m_lexer.contents(), "div") ? ast_op_divide : ast_op_mod;
m_lexer.next();
- n = new (m_alloc) xpath_ast_node(op, n, parse_unary_expression());
+ n = new (m_alloc.node()) xpath_ast_node(op, n, parse_unary_expression());
}
return n;
@@ -3338,7 +3386,7 @@ namespace pugi m_lexer.next();
- n = new (m_alloc) xpath_ast_node(l == lex_plus ? ast_op_add : ast_op_subtract, n, parse_multiplicative_expression());
+ n = new (m_alloc.node()) xpath_ast_node(l == lex_plus ? ast_op_add : ast_op_subtract, n, parse_multiplicative_expression());
}
return n;
@@ -3359,7 +3407,7 @@ namespace pugi lexeme_t l = m_lexer.current();
m_lexer.next();
- n = new (m_alloc) xpath_ast_node(l == lex_less ? ast_op_less : l == lex_greater ? ast_op_greater :
+ n = new (m_alloc.node()) xpath_ast_node(l == lex_less ? ast_op_less : l == lex_greater ? ast_op_greater :
l == lex_less_or_equal ? ast_op_less_or_equal : ast_op_greater_or_equal,
n, parse_additive_expression());
}
@@ -3380,7 +3428,7 @@ namespace pugi m_lexer.next();
- n = new (m_alloc) xpath_ast_node(l == lex_equal ? ast_op_equal : ast_op_not_equal, n, parse_relational_expression());
+ n = new (m_alloc.node()) xpath_ast_node(l == lex_equal ? ast_op_equal : ast_op_not_equal, n, parse_relational_expression());
}
return n;
@@ -3395,7 +3443,7 @@ namespace pugi {
m_lexer.next();
- n = new (m_alloc) xpath_ast_node(ast_op_and, n, parse_equality_expression());
+ n = new (m_alloc.node()) xpath_ast_node(ast_op_and, n, parse_equality_expression());
}
return n;
@@ -3410,7 +3458,7 @@ namespace pugi {
m_lexer.next();
- n = new (m_alloc) xpath_ast_node(ast_op_or, n, parse_and_expression());
+ n = new (m_alloc.node()) xpath_ast_node(ast_op_or, n, parse_and_expression());
}
return n;
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