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#include <algorithm>
#include <stdexcept>
#include <iomanip>
#include <tnt/ecpp.h>
#include <tnt/htmlescostream.h>
#include <tnt/httprequest.h>
#include <tnt/httpreply.h>
#include "exception.h"
#include "live.h"
#include "setup.h"
#include "tools.h"
#include "md5.h"
using namespace std;
using namespace tnt;
istream& operator>>( istream& is, tChannelID& ret )
{
if ( is.rdbuf()->in_avail() > 0 ) {
string line;
if ( !getline( is, line ) || ( !line.empty() && !( ret = tChannelID::FromString( line.c_str() ) ).Valid() ) )
is.setstate( ios::badbit );
}
return is;
}
namespace vdrlive {
string FormatDateTime( char const* format, time_t time )
{
struct tm tm_r;
if ( localtime_r( &time, &tm_r ) == 0 ) {
ostringstream builder;
builder << "cannot represent timestamp " << time << " as local time";
throw runtime_error( builder.str() );
}
char result[ 256 ];
if ( strftime( result, sizeof( result ), format, &tm_r ) == 0 ) {
ostringstream builder;
builder << "representation of timestamp " << time << " exceeds " << sizeof( result ) << " bytes";
throw runtime_error( builder.str() );
}
return result;
}
string StringReplace( string const& text, string const& substring, string const& replacement )
{
string result = text;
string::size_type pos = 0;
while ( ( pos = result.find( substring, pos ) ) != string::npos ) {
result.replace( pos, substring.length(), replacement );
pos += replacement.length();
}
return result;
}
vector< string > StringSplit( string const& text, char delimiter )
{
vector< string > result;
string::size_type last = 0, pos;
while ( ( pos = text.find( delimiter, last ) ) != string::npos ) {
result.push_back( text.substr( last, pos - last ) );
last = pos + 1;
}
if ( last < text.length() )
result.push_back( text.substr( last ) );
return result;
}
int StringToInt( std::string const& string, int base )
{
char* end;
int result = strtol( string.c_str(), &end, base );
if ( *end == '\0' )
return result;
return 0;
}
string StringRepeat(int times, const string& input)
{
string result;
for (int i = 0; i < times; i++) {
result += input;
}
return result;
}
string StringWordTruncate(const string& input, size_t maxLen, bool& truncated)
{
if (input.length() <= maxLen)
{
return input;
}
truncated = true;
string result = input.substr(0, maxLen);
size_t pos = result.find_last_of(" \t,;:.\n?!'\"/\\()[]{}*+-");
return result.substr(0, pos);
}
string StringFormatBreak(string const& input)
{
return StringReplace( input, "\n", "<br/>" );
}
string StringEscapeAndBreak( string const& input )
{
stringstream plainBuilder;
HtmlEscOstream builder( plainBuilder );
builder << input;
return StringReplace( plainBuilder.str(), "\n", "<br/>" );
}
string StringTrim(string const& str)
{
string res = str;
string::size_type pos = res.find_last_not_of(' ');
if(pos != string::npos) {
res.erase(pos + 1);
pos = res.find_first_not_of(' ');
if(pos != string::npos) res.erase(0, pos);
}
else res.erase(res.begin(), res.end());
return res;
}
string ZeroPad(int number)
{
ostringstream os;
os << setw(2) << setfill('0') << number;
return os.str();
}
std::string MD5Hash(std::string const& str)
{
char* szInput = strdup(str.c_str());
if (!szInput) return "";
char* szRes = MD5String(szInput);
string res = szRes;
free(szRes);
return res;
/* unsigned char md5[MD5_DIGEST_LENGTH];
MD5(reinterpret_cast<const unsigned char*>(str.c_str()), str.size(), md5);
ostringstream hashStr;
hashStr << hex;
for (size_t i = 0; i < MD5_DIGEST_LENGTH; i++)
hashStr << (0 + md5[i]);
return hashStr.str();
*/
}
#define HOURS(x) ((x)/100)
#define MINUTES(x) ((x)%100)
std::string ExpandTimeString(std::string timestring)
{
string::size_type colonpos = timestring.find(":");
if (colonpos == string::npos)
{
if (timestring.size() == 1)
timestring = "0" + timestring + ":00";
else if (timestring.size() == 2)
timestring = timestring + ":00";
else if (timestring.size() == 3)
timestring = "0" + string(timestring.begin(), timestring.begin() + 1) + ":" + string(timestring.begin() + 1, timestring.end());
else
timestring = string(timestring.begin(), timestring.begin() + 2) + ":" + string(timestring.begin() + 2, timestring.end());
}
else
{
string hours = string(timestring.begin(), timestring.begin() + colonpos);
string mins = string(timestring.begin() + colonpos + 1, timestring.end());
hours = string(std::max(0,(int)(2 - hours.size())), '0') + hours;
mins = string(std::max(0,(int)(2 - mins.size())), '0') + mins;
timestring = hours + ":" + mins;
}
return timestring;
}
time_t GetTimeT(std::string timestring) // timestring in HH:MM
{
timestring = StringReplace(timestring, ":", "");
int iTime = lexical_cast< int >( timestring );
struct tm tm_r;
time_t t = time(NULL);
tm* tmnow = localtime_r(&t, &tm_r);
tmnow->tm_hour = HOURS(iTime);
tmnow->tm_min = MINUTES(iTime);
return mktime(tmnow);
}
struct urlencoder
{
ostream& ostr_;
urlencoder( ostream& ostr ): ostr_( ostr ) {}
void operator()( char ch )
{
static const char allowedChars[] = {
// 0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , A , B , C , D , E , F ,
'_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', //00
'_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', //10
'_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', '_', 0x2D,0x2E,0x2F, //20
0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39,'_', '_', '_', '_', '_', '_', //30
'_', 0x41,0x42,0x43,0x44,0x45,0x46,0x47,0x48,0x49,0x4A,0x4B,0x4C,0x4D,0x4E,0x4F, //40
0x50,0x51,0x52,0x53,0x54,0x55,0x56,0x57,0x58,0x59,0x5A,'_', '_', '_', '_', '_', //50
'_', 0x61,0x62,0x63,0x64,0x65,0x66,0x67,0x68,0x69,0x6A,0x6B,0x6C,0x6D,0x6E,0x6F, //60
0x70,0x71,0x72,0x73,0x74,0x75,0x76,0x77,0x78,0x79,0x7A,'_', '_', '_', '_', '_' //70
// everything above 127 (for signed char, below zero) is replaced with '_'
};
if ( ch == ' ' )
ostr_ << '+';
else if ( allowedChars[ size_t( ch ) ] == '_' )
ostr_ << '%' << setw( 2 ) << setfill( '0' ) << hex << int( ch );
else
ostr_ << ch;
}
};
string StringUrlEncode( string const& input )
{
ostringstream ostr;
for_each( input.begin(), input.end(), urlencoder( ostr ) );
return ostr.str();
}
} // namespace vdrlive
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