diff options
| -rw-r--r-- | src/pugixml.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/pugixml.cpp b/src/pugixml.cpp index 194c77d..c15ed6b 100644 --- a/src/pugixml.cpp +++ b/src/pugixml.cpp @@ -7435,6 +7435,7 @@ PUGI__NS_BEGIN if (fc >= 128 || tc >= 128) return 0; + // code=128 means "skip character" if (!table[fc]) table[fc] = static_cast<unsigned char>(tc ? tc : 128); @@ -7469,6 +7470,8 @@ PUGI__NS_BEGIN { unsigned char code = table[index]; + // code=128 means "skip character" (table size is 128 so 128 can be a special value) + // this code skips these characters without extra branches *write = static_cast<char_t>(code); write += 1 - (code >> 7); } @@ -9525,9 +9528,10 @@ PUGI__NS_BEGIN const char_t* pos = find_substring(s.c_str(), p.c_str()); if (!pos) return xpath_string(); - const char_t* result = pos + p.length(); + const char_t* rbegin = pos + p.length(); + const char_t* rend = s.c_str() + s.length(); - return s.uses_heap() ? xpath_string::from_heap(result, s.c_str() + s.length(), stack.result) : xpath_string::from_const(result); + return s.uses_heap() ? xpath_string::from_heap(rbegin, rend, stack.result) : xpath_string::from_const(rbegin); } case ast_func_substring_2: @@ -9548,8 +9552,9 @@ PUGI__NS_BEGIN assert(1 <= pos && pos <= s_length + 1); const char_t* rbegin = s.c_str() + (pos - 1); + const char_t* rend = s.c_str() + s.length(); - return s.uses_heap() ? xpath_string::from_heap(rbegin, s.c_str() + s.length(), stack.result) : xpath_string::from_const(rbegin); + return s.uses_heap() ? xpath_string::from_heap(rbegin, rend, stack.result) : xpath_string::from_const(rbegin); } case ast_func_substring_3: |