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/* vim:set et ts=4 sts=4:
*
* libpyzy - The Chinese PinYin and Bopomofo conversion library.
*
* Copyright (c) 2008-2010 Peng Huang <shawn.p.huang@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
* USA
*/
#ifndef __PYZY_STRING_H_
#define __PYZY_STRING_H_
#include <glib.h>
#include <stdarg.h>
#include <string>
#include "Util.h"
namespace PyZy {
class String : public std::string {
public:
String () : std::string () { }
String (const char *str) : std::string (str) { }
String (const std::string &str) : std::string (str) { }
String (size_t len) : std::string () { reserve (len); }
String & printf (const char *fmt, ...)
{
char *str;
va_list args;
va_start (args, fmt);
str = g_strdup_vprintf (fmt, args);
va_end (args);
assign (str);
g_free (str);
return *this;
}
String & appendPrintf (const char *fmt, ...)
{
char *str;
va_list args;
va_start (args, fmt);
str = g_strdup_vprintf (fmt, args);
va_end (args);
append (str);
g_free (str);
return *this;
}
String & appendUnichar (unichar ch)
{
char str[12];
size_t len;
len = g_unichar_to_utf8 (ch, str);
str[len] = 0;
append (str);
return *this;
}
String & insert (size_t i, char ch)
{
std::string::insert (i, 1, ch);
return *this;
}
String & truncate (size_t len)
{
erase(len);
return *this;
}
String & replace (const char *pattern, const char *str)
{
String result;
String::size_type pos = 0;
String::size_type pos_before = 0;
const String::size_type length = std::string (pattern).size ();
while ((pos = this->find (pattern, pos)) != String::npos) {
result.append (*this, pos_before, pos - pos_before);
result.append (str);
pos += length;
pos_before = pos;
}
result.append (*this, pos_before, this->size () - pos_before);
this->assign (result);
return *this;
}
size_t utf8Length (void) const
{
return g_utf8_strlen (c_str(), -1);
}
String & operator<< (int i)
{
return appendPrintf ("%d", i);
}
String & operator<< (unsigned int i)
{
return appendPrintf ("%u", i);
}
String & operator<< (unsigned long i)
{
return appendPrintf ("%lu", i);
}
String & operator<< (const char ch)
{
append (1, ch);
return *this;
}
String & operator<< (const char *str)
{
append (str);
return *this;
}
String & operator<< (const unichar *wstr)
{
char *str;
GError *error;
str = g_ucs4_to_utf8 (wstr, -1, NULL, NULL, &error);
if (str == NULL) {
g_warning ("convert ucs4 to utf8 failed: %s", error->message);
g_error_free (error);
}
else {
append (str);
g_free (str);
}
return *this;
}
char operator[] (size_t i)
{
return std::string::operator[] (i);
}
String & operator<< (const std::string &str)
{
return operator<< (str.c_str ());
}
String & operator<< (const String &str)
{
return operator<< ((const char *)str);
}
String & operator= (const char * str)
{
assign (str);
return *this;
}
operator const char *(void) const
{
return this->c_str ();
}
operator bool (void) const
{
return ! empty ();
}
};
}; // namespace PyZy
#endif // __PYZY_STRING_H_
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