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Insignificantly speed up opening UTF-8 files

This commit is contained in:
Thomas Goyne 2013-06-09 07:56:20 -07:00
parent 2a2a623bb4
commit 9133f17e82
1 changed files with 10 additions and 9 deletions
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19
aegisub/libaegisub/include/libaegisub/line_iterator.h
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@ -67,18 +67,19 @@ public:
: stream(&stream)
, valid(true)
, encoding(encoding)
, cr(0)
, lf(0)
, width(0)
, cr('\r')
, lf('\n')
, width(1)
{
boost::to_lower(encoding);
agi::charset::IconvWrapper c("utf-8", encoding.c_str());
c.Convert("\r", 1, reinterpret_cast<char *>(&cr), sizeof(int));
c.Convert("\n", 1, reinterpret_cast<char *>(&lf), sizeof(int));
width = c.RequiredBufferSize("\n");
if (encoding != "utf-8") {
agi::charset::IconvWrapper c("utf-8", encoding.c_str());
c.Convert("\r", 1, reinterpret_cast<char *>(&cr), sizeof(int));
c.Convert("\n", 1, reinterpret_cast<char *>(&lf), sizeof(int));
width = c.RequiredBufferSize("\n");
conv = std::make_shared<agi::charset::IconvWrapper>(encoding.c_str(), "utf-8");
}
if (encoding != "utf-8")
conv.reset(new agi::charset::IconvWrapper(encoding.c_str(), "utf-8"));
init();
++(*this);
}