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+++ b/src/bincimapmime/convert.h
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+/* -*- Mode: c++; -*- */
+/*  --------------------------------------------------------------------
+ *  Filename:
+ *    src/util/convert.h
+ *  
+ *  Description:
+ *    Declaration of miscellaneous convertion functions.
+ *  --------------------------------------------------------------------
+ *  Copyright 2002-2004 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 "address.h"
+#include "depot.h"
+
+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);
+      
+      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 = "";
+      } 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 = "";
+      } 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 "";
+
+    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) : "") : 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 == '$' || *i == '?' ||
+	  *i == '+' || *i == '\\') {
+	regex += "\\";
+	regex += *i;
+      } else if (*i == '*')
+	regex += ".*?";
+       else if (*i == '%') {
+	regex += "[^\\";
+	regex += delimiter;
+	regex += "]*?";
+      } else regex += *i;
+    }
+    
+    if (regex[regex.length() - 1] == '?')
+      regex[regex.length() - 1] = '$';
+    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