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Optimized utf8 -> wchar_t conversion, replaced assert with static assert

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git-svn-id: http://pugixml.googlecode.com/svn/trunk@446 99668b35-9821-0410-8761-19e4c4f06640
This commit is contained in:
arseny.kapoulkine 2010-05-25 13:47:37 +00:00
parent ece9147611
commit 1046fe1f7b
1 changed files with 4 additions and 4 deletions
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8
src/pugixml.cpp
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@ -809,19 +809,19 @@ namespace pugi
data += 1;
}
// 110xxxxx -> U+0080..U+07FF
else if ((unsigned)(lead - 0xC0) < 0x20 && data + 1 < end && (data[1] & 0xc0) == 0x80)
else if ((unsigned)(lead - 0xC0) < 0x20 && (end - data) > 1 && (data[1] & 0xc0) == 0x80)
{
result = Traits::low(result, ((lead & ~0xC0) << 6) | (data[1] & utf8_byte_mask));
data += 2;
}
// 1110xxxx -> U+0800-U+FFFF
else if ((unsigned)(lead - 0xE0) < 0x10 && data + 2 < end && (data[1] & 0xc0) == 0x80 && (data[2] & 0xc0) == 0x80)
else if ((unsigned)(lead - 0xE0) < 0x10 && (end - data) > 2 && (data[1] & 0xc0) == 0x80 && (data[2] & 0xc0) == 0x80)
{
result = Traits::low(result, ((lead & ~0xE0) << 12) | ((data[1] & utf8_byte_mask) << 6) | (data[2] & utf8_byte_mask));
data += 3;
}
// 11110xxx -> U+10000..U+10FFFF
else if ((unsigned)(lead - 0xF0) < 0x08 && data + 3 < end && (data[1] & 0xc0) == 0x80 && (data[2] & 0xc0) == 0x80 && (data[3] & 0xc0) == 0x80)
else if ((unsigned)(lead - 0xF0) < 0x08 && (end - data) > 3 && (data[1] & 0xc0) == 0x80 && (data[2] & 0xc0) == 0x80 && (data[3] & 0xc0) == 0x80)
{
result = Traits::high(result, ((lead & ~0xF0) << 18) | ((data[1] & utf8_byte_mask) << 12) | ((data[2] & utf8_byte_mask) << 6) | (data[3] & utf8_byte_mask));
data += 4;
@ -4173,7 +4173,7 @@ namespace pugi
destroy();
// initialize sentinel page
assert(offsetof(xml_memory_page, data) + sizeof(xml_document_struct) + xml_memory_page_alignment <= sizeof(_memory));
STATIC_ASSERT(offsetof(xml_memory_page, data) + sizeof(xml_document_struct) + xml_memory_page_alignment <= sizeof(_memory));
// align upwards to page boundary
void* page_memory = reinterpret_cast<void*>((reinterpret_cast<uintptr_t>(_memory) + (xml_memory_page_alignment - 1)) & ~(xml_memory_page_alignment - 1));