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/* vim:set et ts=4 sts=4:
*
* ibus-pinyin - The Chinese PinYin engine for IBus
*
* Copyright (c) 2008-2010 Peng Huang <shawn.p.huang@gmail.com>
*
* 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __STRING_H_
#define __STRING_H_
#include <glib.h>
#include <stdarg.h>
#include <string>
namespace PyZy {
class String : public std::string {
public:
String () : std::string () { }
String (const gchar *str) : std::string (str) { }
String (const std::string &str) : std::string (str) { }
String (gint len) : std::string () { reserve (len); }
String & printf (const gchar *fmt, ...)
{
gchar *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 gchar *fmt, ...)
{
gchar *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 (gunichar ch)
{
gchar str[12];
gint len;
len = g_unichar_to_utf8 (ch, str);
str[len] = 0;
append (str);
return *this;
}
String & insert (gint i, gchar ch)
{
std::string::insert (i, 1, ch);
return *this;
}
String & truncate (guint len)
{
erase(len);
return *this;
}
String & replace (const gchar *pattern, const gchar *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;
}
gsize utf8Length (void) const
{
return g_utf8_strlen (c_str(), -1);
}
String & operator<< (gint i)
{
return appendPrintf ("%d", i);
}
String & operator<< (guint i)
{
return appendPrintf ("%u", i);
}
String & operator<< (const gchar ch)
{
append (1, ch);
return *this;
}
String & operator<< (const gchar *str)
{
append (str);
return *this;
}
String & operator<< (const gunichar *wstr)
{
gchar *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;
}
gchar operator[] (gint 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 gchar *)str);
}
String & operator= (const gchar * str)
{
assign (str);
return *this;
}
operator const gchar *(void) const
{
return this->c_str ();
}
operator gboolean (void) const
{
return ! empty ();
}
};
}; // namespace PyZy
#endif // __STRING_H_