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migrate StringUtil.h to C++11

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This commit is contained in:
Dennis Luxen 2014-05-07 14:12:28 +02:00
parent ea12c6fde6
commit 07e245eb02
1 changed files with 113 additions and 145 deletions
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258
Util/StringUtil.h
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@ -25,104 +25,103 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef STRINGUTIL_H_
#define STRINGUTIL_H_
#include "../typedefs.h"
#ifndef STRINGUTIL_H
#define STRINGUTIL_H
#include <boost/algorithm/string.hpp>
#include <boost/spirit/include/karma.hpp>
#include <boost/spirit/include/qi.hpp>
#include <cstdio>
#include <cctype>
#include <string>
#include <vector>
// 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 ) {
template <int length, int precision> static inline char *printInt(char *buffer, int value)
{
bool minus = false;
if ( value < 0 ) {
if (value < 0)
{
minus = true;
value = -value;
}
buffer += length - 1;
for ( int i = 0; i < precision; i++ ) {
*buffer = '0' + ( value % 10 );
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 );
for (int i = precision + 1; i < length; i++)
{
*buffer = '0' + (value % 10);
value /= 10;
if ( value == 0 ) break;
if (value == 0)
break;
buffer--;
}
if ( minus ) {
if (minus)
{
buffer--;
*buffer = '-';
}
return buffer;
}
static inline void intToString(const int value, std::string & output) {
static inline void intToString(const int value, std::string &output)
{
output.clear();
std::back_insert_iterator<std::string> sink(output);
boost::spirit::karma::generate(sink, boost::spirit::karma::int_, value);
}
static inline void int64ToString(const int64_t value, std::string & output) {
static inline void int64ToString(const int64_t value, std::string &output)
{
output.clear();
std::back_insert_iterator<std::string> sink(output);
boost::spirit::karma::generate(sink, boost::spirit::karma::long_long, value);
}
static inline int stringToInt(const std::string& input) {
std::string::const_iterator first_digit = input.begin();
//Delete any trailing white-spaces
while(first_digit != input.end() && std::isspace(*first_digit)) {
static inline int stringToInt(const std::string &input)
{
auto first_digit = input.begin();
// Delete any trailing white-spaces
while (first_digit != input.end() && std::isspace(*first_digit))
{
++first_digit;
}
int value = 0;
boost::spirit::qi::parse(
first_digit,
input.end(),
boost::spirit::int_, value
);
boost::spirit::qi::parse(first_digit, input.end(), boost::spirit::int_, value);
return value;
}
static inline unsigned stringToUint(const std::string& input) {
std::string::const_iterator first_digit = input.begin();
//Delete any trailing white-spaces
while(first_digit != input.end() && std::isspace(*first_digit)) {
static inline unsigned stringToUint(const std::string &input)
{
auto first_digit = input.begin();
// Delete any trailing white-spaces
while (first_digit != input.end() && std::isspace(*first_digit))
{
++first_digit;
}
int value = 0;
boost::spirit::qi::parse(
first_digit,
input.end(),
boost::spirit::uint_, value
);
boost::spirit::qi::parse(first_digit, input.end(), boost::spirit::uint_, value);
return value;
}
static inline uint64_t stringToInt64(const std::string& input) {
std::string::const_iterator first_digit = input.begin();
//Delete any trailing white-spaces
while(first_digit != input.end() && std::isspace(*first_digit)) {
static inline uint64_t stringToInt64(const std::string &input)
{
auto first_digit = input.begin();
// Delete any trailing white-spaces
while (first_digit != input.end() && std::isspace(*first_digit))
{
++first_digit;
}
uint64_t value = 0;
boost::spirit::qi::parse(
first_digit,
input.end(),
boost::spirit::long_long, value
);
boost::spirit::qi::parse(first_digit, input.end(), boost::spirit::long_long, value);
return value;
}
@ -138,7 +137,7 @@ static inline double StringToDouble(const char *p)
}
while (*p >= '0' && *p <= '9')
{
r = (r*10.0) + (*p - '0');
r = (r * 10.0) + (*p - '0');
++p;
}
if (*p == '.')
@ -148,7 +147,7 @@ static inline double StringToDouble(const char *p)
++p;
while (*p >= '0' && *p <= '9')
{
f = (f*10.0) + (*p - '0');
f = (f * 10.0) + (*p - '0');
++p;
++n;
}
@ -161,110 +160,81 @@ static inline double StringToDouble(const char *p)
return r;
}
static inline void doubleToString(const double value, std::string & output){
static inline void doubleToString(const double value, std::string &output)
{
output.clear();
std::back_insert_iterator<std::string> sink(output);
boost::spirit::karma::generate(sink, boost::spirit::karma::double_, value);
}
static inline void doubleToStringWithTwoDigitsBehindComma(
const double value,
std::string & output
){
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 ;
char buffer[12];
sprintf(buffer, "%g", value);
output = buffer;
}
inline void replaceAll(
std::string & s,
const std::string & sub,
const std::string & other
) {
boost::replace_all(s, sub, other);
inline void replaceAll(std::string &s, const std::string &sub, const std::string &other)
{
boost::replace_all(s, sub, other);
}
inline void stringSplit(
const std::string &s,
const char delim,
std::vector<std::string>& result
) {
boost::split(result, s, boost::is_any_of(std::string(&delim)));
}
inline std::string EscapeJSONString(const std::string& input) {
inline std::string EscapeJSONString(const std::string &input)
{
std::string output;
output.reserve(input.size());
for(
std::string::const_iterator iter = input.begin();
iter != input.end();
++iter
) {
switch (iter[0]) {
case '\\':
output += "\\\\";
break;
case '"':
output += "\\\"";
break;
case '/':
output += "\\/";
break;
case '\b':
output += "\\b";
break;
case '\f':
output += "\\f";
break;
case '\n':
output += "\\n";
break;
case '\r':
output += "\\r";
break;
case '\t':
output += "\\t";
break;
default:
output += *iter;
break;
for (auto iter = input.begin(); iter != input.end(); ++iter)
{
switch (iter[0])
{
case '\\':
output += "\\\\";
break;
case '"':
output += "\\\"";
break;
case '/':
output += "\\/";
break;
case '\b':
output += "\\b";
break;
case '\f':
output += "\\f";
break;
case '\n':
output += "\\n";
break;
case '\r':
output += "\\r";
break;
case '\t':
output += "\\t";
break;
default:
output += *iter;
break;
}
}
return output;
}
static std::string originals[] = {"&", "\"", "<", ">", "'", "[", "]", "\\"};
static std::string entities[] = {"&amp;", "&quot;", "&lt;", "&gt;", "&#39;", "&91;", "&93;", " &#92;" };
static std::string originals[] = {"&", "\"", "<", ">", "'", "[", "]", "\\"};
static std::string entities[] = {"&amp;", "&quot;", "&lt;", "&gt;",
"&#39;", "&91;", "&93;", " &#92;"};
inline std::string HTMLEntitize( const std::string & input) {
std::string result(input);
for(unsigned i = 0; i < sizeof(originals)/sizeof(std::string); ++i) {
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) {
replaceAll(result, entities[i], originals[i]);
}
return result;
}
inline std::size_t URIDecode(const std::string & input, std::string & output) {
std::string::const_iterator src_iter = input.begin();
output.resize(input.size()+1);
inline std::size_t URIDecode(const std::string &input, std::string &output)
{
auto src_iter = input.begin();
output.resize(input.size() + 1);
std::size_t decoded_length = 0;
for( decoded_length = 0; src_iter != input.end(); ++decoded_length ) {
if(
src_iter[0] == '%' &&
src_iter[1] &&
src_iter[2] &&
isxdigit(src_iter[1]) &&
isxdigit(src_iter[2])
) {
for (decoded_length = 0; src_iter != input.end(); ++decoded_length)
{
if (src_iter[0] == '%' && src_iter[1] && src_iter[2] && isxdigit(src_iter[1]) &&
isxdigit(src_iter[2]))
{
std::string::value_type a = src_iter[1];
std::string::value_type b = src_iter[2];
a -= src_iter[1] < 58 ? 48 : src_iter[1] < 71 ? 55 : 87;
@ -279,29 +249,27 @@ inline std::size_t URIDecode(const std::string & input, std::string & output) {
return decoded_length;
}
inline std::size_t URIDecodeInPlace(std::string & URI) {
return URIDecode(URI, URI);
}
inline std::size_t URIDecodeInPlace(std::string &URI) { return URIDecode(URI, URI); }
inline bool StringStartsWith(
const std::string & input,
const std::string & prefix
) {
inline bool StringStartsWith(const std::string &input, const std::string &prefix)
{
return boost::starts_with(input, prefix);
}
inline std::string GetRandomString() {
char s[128];
static const char alphanum[] =
"0123456789"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz";
inline std::string GetRandomString()
{
std::string s;
s.resize(128);
static const char alphanum[] = "0123456789"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz";
for (int i = 0; i < 127; ++i) {
for (int i = 0; i < 127; ++i)
{
s[i] = alphanum[rand() % (sizeof(alphanum) - 1)];
}
s[127] = 0;
return std::string(s);
return s;
}
#endif /* STRINGUTIL_H_ */
#endif // STRINGUTIL_H