150 lines
4.0 KiB
C++
150 lines
4.0 KiB
C++
//
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// ZoneMinder General Utility Functions, $Date$, $Revision$
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// Copyright (C) 2001-2008 Philip Coombes
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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//#include "zm_debug.h"
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#include "zm_utils.h"
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#include <stdio.h>
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#include <stdarg.h>
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const std::string stringtf( const char *format, ... )
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{
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va_list ap;
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char tempBuffer[8192];
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std::string tempString;
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va_start(ap, format );
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vsnprintf( tempBuffer, sizeof(tempBuffer), format , ap );
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va_end(ap);
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tempString = tempBuffer;
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return( tempString );
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}
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const std::string stringtf( const std::string &format, ... )
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{
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va_list ap;
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char tempBuffer[8192];
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std::string tempString;
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va_start(ap, format );
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vsnprintf( tempBuffer, sizeof(tempBuffer), format.c_str() , ap );
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va_end(ap);
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tempString = tempBuffer;
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return( tempString );
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}
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bool startsWith( const std::string &haystack, const std::string &needle )
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{
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return( haystack.substr( 0, needle.length() ) == needle );
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}
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StringVector split( const std::string &string, const std::string chars, int limit )
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{
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StringVector stringVector;
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std::string tempString = string;
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std::string::size_type startIndex = 0;
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std::string::size_type endIndex = 0;
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//Info( "Looking for '%s' in '%s', limit %d", chars.c_str(), string.c_str(), limit );
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do
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{
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// Find delimiters
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endIndex = string.find_first_of( chars, startIndex );
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//Info( "Got endIndex at %d", endIndex );
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if ( endIndex > 0 )
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{
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//Info( "Adding '%s'", string.substr( startIndex, endIndex-startIndex ).c_str() );
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stringVector.push_back( string.substr( startIndex, endIndex-startIndex ) );
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}
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if ( endIndex == std::string::npos )
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break;
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// Find non-delimiters
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startIndex = tempString.find_first_not_of( chars, endIndex );
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if ( limit && (stringVector.size() == (limit-1)) )
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{
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stringVector.push_back( string.substr( startIndex ) );
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break;
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}
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//Info( "Got new startIndex at %d", startIndex );
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} while ( startIndex != std::string::npos );
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//Info( "Finished with %d strings", stringVector.size() );
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return( stringVector );
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}
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const std::string base64Encode( const std::string &inString )
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{
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static char base64_table[64] = { '\0' };
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if ( !base64_table[0] )
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{
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int i = 0;
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for ( char c = 'A'; c <= 'Z'; c++ )
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base64_table[i++] = c;
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for ( char c = 'a'; c <= 'z'; c++ )
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base64_table[i++] = c;
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for ( char c = '0'; c <= '9'; c++ )
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base64_table[i++] = c;
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base64_table[i++] = '+';
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base64_table[i++] = '/';
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}
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std::string outString;
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outString.reserve( 2 * inString.size() );
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const char *inPtr = inString.c_str();
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while( *inPtr )
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{
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unsigned char selection = *inPtr >> 2;
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unsigned char remainder = (*inPtr++ & 0x03) << 4;
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outString += base64_table[selection];
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if ( *inPtr )
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{
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selection = remainder | (*inPtr >> 4);
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remainder = (*inPtr++ & 0x0f) << 2;
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outString += base64_table[selection];
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if ( *inPtr )
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{
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selection = remainder | (*inPtr >> 6);
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outString += base64_table[selection];
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selection = (*inPtr++ & 0x3f);
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outString += base64_table[selection];
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}
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else
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{
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outString += base64_table[remainder];
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outString += '=';
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}
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}
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else
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{
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outString += base64_table[remainder];
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outString += '=';
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outString += '=';
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}
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}
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return( outString );
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}
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