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StringUtil.h
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StringUtil.h
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/*
open source routing machine
Copyright (C) Dennis Luxen, 2010
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU AFFERO General Public License as published by
the Free Software Foundation; either version 3 of the License, or
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
or see http://www.gnu.org/licenses/agpl.txt.
*/
#ifndef STRINGUTIL_H_
#define STRINGUTIL_H_
#include <cstdio>
#include <cstdlib>
#include <string>
#include "../DataStructures/ExtractorStructs.h"
// precision: position after decimal point
// length: maximum number of digits including comma and decimals
template< int length, int precision >
static inline char* printInt( char* buffer, int value ) {
bool minus = false;
if ( value < 0 ) {
minus = true;
value = -value;
}
buffer += length - 1;
for ( int i = 0; i < precision; i++ ) {
*buffer = '0' + ( value % 10 );
value /= 10;
buffer--;
}
*buffer = '.';
buffer--;
for ( int i = precision + 1; i < length; i++ ) {
*buffer = '0' + ( value % 10 );
value /= 10;
if ( value == 0 ) break;
buffer--;
}
if ( minus ) {
buffer--;
*buffer = '-';
}
return buffer;
}
static inline void intToString(const int value, std::string & output) {
// The largest 32-bit integer is 4294967295, that is 10 chars
// On the safe side, add 1 for sign, and 1 for trailing zero
char buffer[12] ;
sprintf(buffer, "%i", value) ;
output = buffer ;
}
static inline void convertInternalLatLonToString(const int value, std::string & output) {
char buffer[100];
buffer[10] = 0; // Nullterminierung
char* string = printInt< 10, 5 >( buffer, value );
output = string;
}
static inline void convertInternalCoordinateToString(const _Coordinate & coord, std::string & output) {
std::string tmp;
convertInternalLatLonToString(coord.lon, tmp);
output = tmp;
output += ",";
convertInternalLatLonToString(coord.lat, tmp);
output += tmp;
output += " ";
}
static inline void convertInternalReversedCoordinateToString(const _Coordinate & coord, std::string & output) {
std::string tmp;
convertInternalLatLonToString(coord.lat, tmp);
output = tmp;
output += ",";
convertInternalLatLonToString(coord.lon, tmp);
output += tmp;
output += " ";
}
static inline void doubleToString(const double value, std::string & output){
// The largest 32-bit integer is 4294967295, that is 10 chars
// On the safe side, add 1 for sign, and 1 for trailing zero
char buffer[12] ;
sprintf(buffer, "%f", value) ;
output = buffer ;
}
static inline void doubleToStringWithTwoDigitsBehindComma(const double value, std::string & output){
// The largest 32-bit integer is 4294967295, that is 10 chars
// On the safe side, add 1 for sign, and 1 for trailing zero
char buffer[12] ;
sprintf(buffer, "%g", value) ;
output = buffer ;
}
inline std::string & replaceAll(std::string &s, const std::string &sub, const std::string &other) {
assert(!sub.empty());
size_t b = 0;
for (;;) {
b = s.find(sub, b);
if (b == s.npos) break;
s.replace(b, sub.size(), other);
b += other.size();
}
return s;
}
inline void stringSplit(const std::string &s, const char delim, std::vector<std::string>& result) {
std::stringstream ss(s);
std::string item;
while(std::getline(ss, item, delim)) {
if(item.size() > 0)
result.push_back(item);
}
}
static std::string originals[] = {"&", "\"", "<", ">", "'", "[", "]", "\\"};
static std::string entities[] = {"&", """, "<", ">", "'", "&91;", "&93;", " \" };
inline std::string HTMLEntitize( std::string result) {
for(unsigned i = 0; i < sizeof(originals)/sizeof(std::string); i++) {
result = replaceAll(result, originals[i], entities[i]);
}
return result;
}
inline std::string HTMLDeEntitize( std::string result) {
for(unsigned i = 0; i < sizeof(originals)/sizeof(std::string); i++) {
result = replaceAll(result, entities[i], originals[i]);
}
return result;
}
inline bool StringStartsWith(std::string & input, std::string & prefix) {
return (input.find(prefix) == 0);
}
/*
* Function returns a 'random' filename in temporary directors.
* May not be platform independent.
*/
inline void GetTemporaryFileName(std::string & filename) {
char buffer[L_tmpnam];
char * retPointer = tmpnam (buffer);
if(0 == retPointer)
ERR("Could not create temporary file name");
filename = buffer;
}
#endif /* STRINGUTIL_H_ */