/* vim:set et ts=4 sts=4: * * libpyzy - The Chinese PinYin and Bopomofo conversion library. * * Copyright (c) 2008-2010 Peng Huang * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA */ #ifndef __PYZY_STRING_H_ #define __PYZY_STRING_H_ #include #include #include 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 // __PYZY_STRING_H_