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/* bzflag
* Copyright (c) 1993 - 2008 Tim Riker
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the license found in the file
* named COPYING that should have accompanied this file.
*
* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#include <stdio.h>
#include <stdarg.h>
#include <sstream>
#include "plugin_utils.h"
std::string tolower(const std::string& s)
{
std::string trans = s;
for (std::string::iterator i=trans.begin(), end=trans.end(); i!=end; ++i)
*i = ::tolower(*i);
return trans;
}
std::string format(const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
char temp[2048];
vsprintf(temp,fmt, args);
std::string result = temp;
va_end(args);
return result;
}
std::vector<std::string> tokenize(const std::string& in, const std::string &delims, const int maxTokens, const bool useQuotes)
{
std::vector<std::string> tokens;
int numTokens = 0;
bool inQuote = false;
std::ostringstream currentToken;
std::string::size_type pos = in.find_first_not_of(delims);
int currentChar = (pos == std::string::npos) ? -1 : in[pos];
bool enoughTokens = (maxTokens && (numTokens >= (maxTokens-1)));
while (pos != std::string::npos && !enoughTokens) {
// get next token
bool tokenDone = false;
bool foundSlash = false;
currentChar = (pos < in.size()) ? in[pos] : -1;
while ((currentChar != -1) && !tokenDone){
tokenDone = false;
if (delims.find(currentChar) != std::string::npos && !inQuote) { // currentChar is a delim
pos ++;
break; // breaks out of while loop
}
if (!useQuotes){
currentToken << char(currentChar);
} else {
switch (currentChar){
case '\\' : // found a backslash
if (foundSlash){
currentToken << char(currentChar);
foundSlash = false;
} else {
foundSlash = true;
}
break;
case '\"' : // found a quote
if (foundSlash){ // found \"
currentToken << char(currentChar);
foundSlash = false;
} else { // found unescaped "
if (inQuote){ // exiting a quote
// finish off current token
tokenDone = true;
inQuote = false;
//slurp off one additional delimeter if possible
if (pos+1 < in.size() &&
delims.find(in[pos+1]) != std::string::npos) {
pos++;
}
} else { // entering a quote
// finish off current token
tokenDone = true;
inQuote = true;
}
}
break;
default:
if (foundSlash){ // don't care about slashes except for above cases
currentToken << '\\';
foundSlash = false;
}
currentToken << char(currentChar);
break;
}
}
pos++;
currentChar = (pos < in.size()) ? in[pos] : -1;
} // end of getting a Token
if (currentToken.str().size() > 0){ // if the token is something add to list
tokens.push_back(currentToken.str());
currentToken.str("");
numTokens ++;
}
enoughTokens = (maxTokens && (numTokens >= (maxTokens-1)));
if (enoughTokens){
break;
} else{
pos = in.find_first_not_of(delims,pos);
}
} // end of getting all tokens -- either EOL or max tokens reached
if (enoughTokens && pos != std::string::npos) {
std::string lastToken = in.substr(pos);
if (lastToken.size() > 0)
tokens.push_back(lastToken);
}
return tokens;
}
// Local Variables: ***
// mode:C++ ***
// tab-width: 8 ***
// c-basic-offset: 2 ***
// indent-tabs-mode: t ***
// End: ***
// ex: shiftwidth=2 tabstop=8
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