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/* Copyright (C) 2004 MySQL AB
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 Place, Suite 330, Boston, MA 02111-1307 USA */
#include "MGSQLTextBuffer.h"
MGSQLTextBuffer::MGSQLTextBuffer(const Glib::RefPtr<Gtk::TextTagTable> &tagtable)
: Gtk::TextBuffer(tagtable), _syn(0), _sqlhl(0)
{
signal_end_user_action().connect(sigc::mem_fun(*this,&MGSQLTextBuffer::do_hiliting));
}
MGSQLTextBuffer::~MGSQLTextBuffer()
{
if (_syn)
myx_free_syn(_syn);
if (_sqlhl)
myx_free_sql_highlighting(_sqlhl);
}
void MGSQLTextBuffer::set_text(const Glib::ustring &text)
{
Gtk::TextBuffer::set_text(text);
do_hiliting();
}
bool MGSQLTextBuffer::init_highlighting(MYSQL *mysql)
{
if (_syn)
myx_free_syn(_syn);
_syn= 0;
if (_sqlhl)
myx_free_sql_highlighting(_sqlhl);
_sqlhl= 0;
_syn= myx_refresh_dbinfo(mysql, _syn);
if (!_syn)
return false;
_sqlhl= myx_init_sql_parsing(_syn);
if (!_sqlhl)
{
myx_free_syn(_syn);
_syn= 0;
return false;
}
return true;
}
Glib::RefPtr<MGSQLTextBuffer> MGSQLTextBuffer::create(const Glib::RefPtr<Gtk::TextTagTable> &tagtable, MYSQL *mysql)
{
MGSQLTextBuffer *buf= new MGSQLTextBuffer(tagtable);
if (!buf->init_highlighting(mysql))
{
return Glib::RefPtr<MGSQLTextBuffer>(buf);
}
return Glib::RefPtr<MGSQLTextBuffer>(buf);
}
void MGSQLTextBuffer::do_hiliting()
{
if (!_sqlhl)
return;
int res;
int line= 0;
Gtk::TextBuffer::iterator bol;
Gtk::TextBuffer::iterator eol=get_iter_at_line(0);
do {
bol= eol;
if (!eol.forward_line())
eol= end();
Glib::ustring text= bol.get_text(eol);
res= myx_highlight(_sqlhl, text.c_str(), line);
remove_all_tags(bol, eol);
for (unsigned int i= 0; i < _sqlhl->words_num; i++)
{
Glib::ustring name;
switch (_sqlhl->words[i].word_type)
{
case MYX_SYN_NORMAL: name= "normal"; break;
case MYX_SYN_TABLE: name= "table"; break;
case MYX_SYN_COLUMN: name= "column"; break;
case MYX_SYN_COMMENT: name= "comment"; break;
case MYX_SYN_STRING: name= "string"; break;
case MYX_SYN_SYMBOL: name= "symbol"; break;
case MYX_SYN_FUNCTION: name= "function"; break;
default: g_warning("unknown word type in syntax highlight"); name.clear(); break;
}
Gtk::TextBuffer::iterator bow= get_iter_at_line_offset(line, _sqlhl->words[i].word_begin);
Gtk::TextBuffer::iterator eow= get_iter_at_line_offset(line, 0);
eow.forward_to_line_end();
if (eow.get_line_offset() > _sqlhl->words[i].word_end + 1)
eow= get_iter_at_line_offset(line, _sqlhl->words[i].word_end+1);
/*XXX
if (_sqlhl->words[i].word_type == MYX_SYN_SYMBOL)
{
Glib::ustring word= bow.get_text(eow);
Glib::ustring upcase= word.uppercase();
// refresh word iterators
bow= get_iter_at_line_offset(line, _sqlhl->words[i].word_begin);
eow= get_iter_at_line_offset(line, _sqlhl->words[i].word_end+1);
if (upcase != word)
{
erase(bow, eow);
bow= get_iter_at_line_offset(line, _sqlhl->words[i].word_begin);
insert(bow, upcase);
}
// refresh eol iterator
eol= get_iter_at_line(line);
if (!eol.forward_line())
eol= end();
}
*/
if (!name.empty())
apply_tag_by_name(name, bow, eow);
}
line++;
} while (!eol.is_end());
}
std::list<Glib::ustring> MGSQLTextBuffer::get_suggestions(const Gtk::TextBuffer::iterator &bol)
{
Gtk::TextBuffer::iterator eol= bol;
eol.forward_word_end();
std::list<Glib::ustring> list;
Glib::ustring word= get_slice(bol, eol).uppercase();
MYX_SYN_SUGGESTIONS* s= myx_lookup_line(_syn, word.c_str());
// it seems the suggestions give more stuff than it should...
for (unsigned int i=0; i < s->suggestions_num; i++)
{
// so we need to filter it a bit here
Glib::ustring suggestion(s->suggestions[i].name);
if (suggestion.size() >= word.size() && suggestion.uppercase().substr(0, word.size()) == word)
list.push_back(suggestion);
}
myx_free_syn_suggestions(s);
return list;
}
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