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lcdd: add isUTF8() from edvbstring

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git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-beta@2028 e54a6e83-5905-42d5-8d5c-058d10e6a962
This commit is contained in:
seife
2012-01-01 11:57:20 +00:00
parent b35a163e85
commit 00843bd5e3
1 changed files with 32 additions and 0 deletions
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32
src/driver/lcdd.cpp
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@@ -53,6 +53,38 @@
#include <daemonc/remotecontrol.h> #include <daemonc/remotecontrol.h>
extern CRemoteControl * g_RemoteControl; /* neutrino.cpp */ extern CRemoteControl * g_RemoteControl; /* neutrino.cpp */
/* from edvbstring.cpp */
static bool isUTF8(const std::string &string)
{
unsigned int len=string.size();
for (unsigned int i=0; i < len; ++i)
{
if (!(string[i]&0x80)) // normal ASCII
continue;
if ((string[i] & 0xE0) == 0xC0) // one char following.
{
// first, length check:
if (i+1 >= len)
return false; // certainly NOT utf-8
i++;
if ((string[i]&0xC0) != 0x80)
return false; // no, not UTF-8.
} else if ((string[i] & 0xF0) == 0xE0)
{
if ((i+1) >= len)
return false;
i++;
if ((string[i]&0xC0) != 0x80)
return false;
i++;
if ((string[i]&0xC0) != 0x80)
return false;
}
}
return true; // can be UTF8 (or pure ASCII, at least no non-UTF-8 8bit characters)
}
CLCD::CLCD() CLCD::CLCD()
: configfile('\t') : configfile('\t')
{ {