/* -*- mode:c++;c-basic-offset:2 -*- */
/* --------------------------------------------------------------------
* Filename:
* src/util/convert.h
*
* Description:
* Declaration of miscellaneous convertion functions.
* --------------------------------------------------------------------
* Copyright 2002-2005 Andreas Aardal Hanssen
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) 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 General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
* --------------------------------------------------------------------
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifndef convert_h_included
#define convert_h_included
#include <string>
#include <vector>
#include <iomanip>
#include <iostream>
#include <stdio.h>
#include <sys/stat.h>
#include <cstdlib>
#include <cstring>
namespace Binc {
//----------------------------------------------------------------------
inline std::string toString(int i_in)
{
char intbuf[16];
snprintf(intbuf, sizeof(intbuf), "%d", i_in);
return std::string(intbuf);
}
//----------------------------------------------------------------------
inline std::string toString(unsigned int i_in)
{
char intbuf[16];
snprintf(intbuf, sizeof(intbuf), "%u", i_in);
return std::string(intbuf);
}
//----------------------------------------------------------------------
inline std::string toString(unsigned long i_in)
{
char longbuf[40];
snprintf(longbuf, sizeof(longbuf), "%lu", i_in);
return std::string(longbuf);
}
//----------------------------------------------------------------------
inline std::string toString(const char *i_in)
{
return std::string(i_in);
}
//----------------------------------------------------------------------
inline int atoi(const std::string &s_in)
{
return ::atoi(s_in.c_str());
}
//----------------------------------------------------------------------
inline std::string toHex(const std::string &s)
{
const char hexchars[] = "0123456789abcdef";
std::string tmp;
for (std::string::const_iterator i = s.begin(); i != s.end(); ++i) {
unsigned char c = (unsigned char)*i;
tmp += hexchars[((c & 0xf0) >> 4)];
tmp += hexchars[c & 0x0f];
}
return tmp;
}
//----------------------------------------------------------------------
inline std::string fromHex(const std::string &s)
{
const char hexchars[] = "0123456789abcdef";
std::string tmp;
for (std::string::const_iterator i = s.begin();
i != s.end() && i + 1 != s.end(); i += 2) {
int n;
unsigned char c = *i;
unsigned char d = *(i + 1);
const char *t;
if ((t = strchr(hexchars, c)) == 0)
return "out of range";
n = (t - hexchars) << 4;
if ((t = strchr(hexchars, d)) == 0)
return "out of range";
n += (t - hexchars);
if (n >= 0 && n <= 255)
tmp += (char) n;
else
return "out of range";
}
return tmp;
}
//----------------------------------------------------------------------
inline std::string toImapString(const std::string &s_in)
{
for (std::string::const_iterator i = s_in.begin(); i != s_in.end(); ++i) {
unsigned char c = (unsigned char)*i;
if (c <= 31 || c >= 127 || c == '\"' || c == '\\')
return "{" + toString(s_in.length()) + "}\r\n" + s_in;
}
return "\"" + s_in + "\"";
}
//----------------------------------------------------------------------
inline void uppercase(std::string &input)
{
for (std::string::iterator i = input.begin(); i != input.end(); ++i)
*i = toupper(*i);
}
//----------------------------------------------------------------------
inline void lowercase(std::string &input)
{
for (std::string::iterator i = input.begin(); i != input.end(); ++i)
*i = tolower(*i);
}
//----------------------------------------------------------------------
inline void chomp(std::string &s_in, const std::string &chars = " \t\r\n")
{
int n = s_in.length();
while (n > 1 && chars.find(s_in[n - 1]) != std::string::npos)
s_in.resize(n-- - 1);
}
//----------------------------------------------------------------------
inline void trim(std::string &s_in, const std::string &chars = " \t\r\n")
{
while (s_in != "" && chars.find(s_in[0]) != std::string::npos)
s_in = s_in.substr(1);
chomp(s_in, chars);
}
//----------------------------------------------------------------------
inline const std::string unfold(const std::string &a,
bool removecomment = true)
{
std::string tmp;
bool incomment = false;
bool inquotes = false;
for (std::string::const_iterator i = a.begin(); i != a.end(); ++i) {
unsigned char c = (unsigned char)*i;
if (!inquotes && removecomment) {
if (c == '(') {
incomment = true;
tmp += " ";
} else if (c == ')') {
incomment = false;
} else if (c != 0x0a && c != 0x0d) {
tmp += *i;
}
} else if (c != 0x0a && c != 0x0d) {
tmp += *i;
}
if (!incomment) {
if (*i == '\"')
inquotes = !inquotes;
}
}
trim(tmp);
return tmp;
}
//----------------------------------------------------------------------
inline void split(const std::string &s_in, const std::string &delim,
std::vector<std::string> &dest, bool skipempty = true)
{
std::string token;
for (std::string::const_iterator i = s_in.begin(); i != s_in.end(); ++i) {
if (delim.find(*i) != std::string::npos) {
if (!skipempty || token != "")
dest.push_back(token);
token.clear();
} else
token += *i;
}
if (token != "")
dest.push_back(token);
}
//----------------------------------------------------------------------
inline void splitAddr(const std::string &s_in,
std::vector<std::string> &dest, bool skipempty = true)
{
static const std::string delim = ",";
std::string token;
bool inquote = false;
for (std::string::const_iterator i = s_in.begin(); i != s_in.end(); ++i) {
if (inquote && *i == '\"') inquote = false;
else if (!inquote && *i == '\"') inquote = true;
if (!inquote && delim.find(*i) != std::string::npos) {
if (!skipempty || token != "")
dest.push_back(token);
token.clear();
} else
token += *i;
}
if (token != "")
dest.push_back(token);
}
//----------------------------------------------------------------------
inline std::string toCanonMailbox(const std::string &s_in)
{
if (s_in.find("..") != std::string::npos) return std::string();
if (s_in.length() >= 5) {
std::string a = s_in.substr(0, 5);
uppercase(a);
return a == "INBOX" ?
a + (s_in.length() > 5 ? s_in.substr(5) : std::string()) : s_in;
}
return s_in;
}
//------------------------------------------------------------------------
inline std::string toRegex(const std::string &s_in, char delimiter)
{
std::string regex = "^";
for (std::string::const_iterator i = s_in.begin(); i != s_in.end(); ++i) {
if (*i == '.' || *i == '[' || *i == ']' || *i == '{' || *i == '}' ||
*i == '(' || *i == ')' || *i == '^' || *i == '$' || *i == '?' ||
*i == '+' || *i == '\\') {
regex += "\\";
regex += *i;
} else if (*i == '*')
regex += ".*?";
else if (*i == '%') {
regex += "(\\";
regex += delimiter;
regex += "){0,1}";
regex += "[^\\";
regex += delimiter;
regex += "]*?";
} else regex += *i;
}
if (regex[regex.length() - 1] == '?')
regex[regex.length() - 1] = '$';
else
regex += "$";
return regex;
}
//------------------------------------------------------------------------
class BincStream {
private:
std::string nstr;
public:
//--
BincStream &operator << (std::ostream&(*)(std::ostream&));
BincStream &operator << (const std::string &t);
BincStream &operator << (unsigned int t);
BincStream &operator << (int t);
BincStream &operator << (char t);
//--
std::string popString(unsigned int size);
//--
char popChar(void);
void unpopChar(char c);
void unpopStr(const std::string &s);
//--
const std::string &str(void) const;
//--
unsigned int getSize(void) const;
//--
void clear(void);
//--
BincStream(void);
~BincStream(void);
};
}
#endif