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* 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
#include "DynamicSpecialPhrase.h"
#include "SpecialPhrase.h"
std::unique_ptr<SpecialPhraseTable> SpecialPhraseTable::m_instance;
class StaticSpecialPhrase : public SpecialPhrase {
public:
StaticSpecialPhrase (const std::string &text, size_t pos) :
SpecialPhrase (pos), m_text (text) { }
~StaticSpecialPhrase (void) { }
std::string text (void) { return m_text; }
private:
std::string m_text;
};
SpecialPhraseTable::SpecialPhraseTable (const std::string &config_dir)
g_build_filename (config_dir.c_str(), "phrases.txt", NULL);
load ("phrases.txt") ||
load (path) ||
load (PKGDATADIR G_DIR_SEPARATOR_S "phrases.txt");
g_free (path);
}
SpecialPhraseTable::lookup (const std::string &command,
std::vector<std::string> &result)
{
result.clear ();
std::pair<Map::iterator, Map::iterator> range = m_map.equal_range (command);
for (Map::iterator it = range.first; it != range.second; it ++) {
result.push_back ((*it).second->text ());
}
return result.size () > 0;
}
bool
SpecialPhraseTable::load (const char *file)
{
m_map.clear ();
std::ifstream in (file);
if (in.fail ())
std::string line;
while (!in.eof ()) {
getline (in, line);
if (line.size () == 0 || line[0] == ';')
continue;
size_t pos = line.find ('=');
if (pos == line.npos)
continue;
std::string command = line.substr(0, pos);
std::string value = line.substr(pos + 1);
if (command.empty () || value.empty ())
continue;
if (value[0] != '#') {
SpecialPhrasePtr phrase (new StaticSpecialPhrase (value, 0));
m_map.insert (Map::value_type (command, phrase));
}
else if (value.size () > 1) {
SpecialPhrasePtr phrase (new DynamicSpecialPhrase (value.substr (1), 0));
m_map.insert (Map::value_type (command, phrase));
}
}
void
SpecialPhraseTable::init (const std::string &config_dir)
{
if (config_dir.empty ()) {
g_error ("Error: An argument of init is empty string.");
return;
}
m_instance.reset (new SpecialPhraseTable (config_dir));
}
SpecialPhraseTable &
SpecialPhraseTable::instance (void)
{
if (m_instance.get () == NULL) {
g_error ("Error: Please call PyZy::InputContext::init () !");
}
return *m_instance;
}