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-rw-r--r--src/pugixml.cpp37
1 files changed, 22 insertions, 15 deletions
diff --git a/src/pugixml.cpp b/src/pugixml.cpp
index 265337a..0f696ab 100644
--- a/src/pugixml.cpp
+++ b/src/pugixml.cpp
@@ -2357,23 +2357,28 @@ PUGI__NS_BEGIN
char_t* parse_doctype_ignore(char_t* s)
{
+ size_t depth = 0;
+
assert(s[0] == '<' && s[1] == '!' && s[2] == '[');
- s++;
+ s += 3;
while (*s)
{
if (s[0] == '<' && s[1] == '!' && s[2] == '[')
{
// nested ignore section
- s = parse_doctype_ignore(s);
- if (!s) return s;
+ s += 3;
+ depth++;
}
else if (s[0] == ']' && s[1] == ']' && s[2] == '>')
{
// ignore section end
s += 3;
- return s;
+ if (depth == 0)
+ return s;
+
+ depth--;
}
else s++;
}
@@ -2381,10 +2386,12 @@ PUGI__NS_BEGIN
PUGI__THROW_ERROR(status_bad_doctype, s);
}
- char_t* parse_doctype_group(char_t* s, char_t endch, bool toplevel)
+ char_t* parse_doctype_group(char_t* s, char_t endch)
{
+ size_t depth = 0;
+
assert((s[0] == '<' || s[0] == 0) && s[1] == '!');
- s++;
+ s += 2;
while (*s)
{
@@ -2399,12 +2406,8 @@ PUGI__NS_BEGIN
else
{
// some control group
- s = parse_doctype_group(s, endch, false);
- if (!s) return s;
-
- // skip >
- assert(*s == '>');
- s++;
+ s += 2;
+ depth++;
}
}
else if (s[0] == '<' || s[0] == '"' || s[0] == '\'')
@@ -2415,12 +2418,16 @@ PUGI__NS_BEGIN
}
else if (*s == '>')
{
- return s;
+ if (depth == 0)
+ return s;
+
+ depth--;
+ s++;
}
else s++;
}
- if (!toplevel || endch != '>') PUGI__THROW_ERROR(status_bad_doctype, s);
+ if (depth != 0 || endch != '>') PUGI__THROW_ERROR(status_bad_doctype, s);
return s;
}
@@ -2512,7 +2519,7 @@ PUGI__NS_BEGIN
char_t* mark = s + 9;
- s = parse_doctype_group(s, endch, true);
+ s = parse_doctype_group(s, endch);
if (!s) return s;
assert((*s == 0 && endch == '>') || *s == '>');