138 lines
2.8 KiB
C++
138 lines
2.8 KiB
C++
/*
|
|
|
|
Copyright (c) 2015, 2016 Hubert Denkmair <hubert@denkmair.de>
|
|
|
|
This file is part of cangaroo.
|
|
|
|
cangaroo 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.
|
|
|
|
cangaroo 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 cangaroo. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
*/
|
|
|
|
#include "DbcTokens.h"
|
|
|
|
DbcToken::DbcToken(int line, int column, dbc_token_type_t type)
|
|
: _line(line), _col(column), _type(type), _numLineBreaks(0)
|
|
{
|
|
|
|
}
|
|
|
|
bool DbcToken::appendChar(QChar ch)
|
|
{
|
|
if (acceptsChar(ch)) {
|
|
if (ch=='\n') {
|
|
_numLineBreaks++;
|
|
}
|
|
_data.append(ch);
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
dbc_token_type_t DbcToken::getType()
|
|
{
|
|
return _type;
|
|
}
|
|
|
|
QString DbcToken::getData()
|
|
{
|
|
return _data;
|
|
}
|
|
|
|
int DbcToken::countLineBreaks()
|
|
{
|
|
return _numLineBreaks;
|
|
}
|
|
|
|
int DbcToken::getLine()
|
|
{
|
|
return _line;
|
|
}
|
|
|
|
int DbcToken::getColumn()
|
|
{
|
|
return _col;
|
|
}
|
|
|
|
|
|
DbcIdentifierToken::DbcIdentifierToken(int line, int column)
|
|
: DbcToken(line, column, dbc_tok_identifier)
|
|
{
|
|
}
|
|
|
|
bool DbcIdentifierToken::acceptsChar(QChar ch)
|
|
{
|
|
static const QString acceptableStartChars("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_");
|
|
static const QString acceptableChars("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_");
|
|
if (_data.isEmpty()) {
|
|
return acceptableStartChars.contains(ch);
|
|
} else {
|
|
return acceptableChars.contains(ch);
|
|
}
|
|
}
|
|
|
|
|
|
DbcStringToken::DbcStringToken(int line, int column)
|
|
: DbcToken(line, column, dbc_tok_string)
|
|
{
|
|
}
|
|
|
|
bool DbcStringToken::acceptsChar(QChar ch)
|
|
{
|
|
if (_data.isEmpty()) {
|
|
return (ch=='"');
|
|
} else if (_data.length()<2) {
|
|
return true;
|
|
} else {
|
|
return !_data.endsWith('"');
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
DbcWhitespaceToken::DbcWhitespaceToken(int line, int column)
|
|
: DbcToken(line, column, dbc_tok_whitespace)
|
|
{
|
|
}
|
|
|
|
bool DbcWhitespaceToken::acceptsChar(QChar ch)
|
|
{
|
|
return ch.isSpace();
|
|
}
|
|
|
|
DbcRegExpToken::DbcRegExpToken(int line, int column, dbc_token_type_t type, QRegExp re)
|
|
: DbcToken(line, column, type),
|
|
_re(re)
|
|
{
|
|
}
|
|
|
|
bool DbcRegExpToken::acceptsChar(QChar ch)
|
|
{
|
|
QString s = _data + ch;
|
|
return (_re.indexIn(s)==0);
|
|
}
|
|
|
|
DbcSingleCharToken::DbcSingleCharToken(int line, int column, dbc_token_type_t type, QChar ch)
|
|
: DbcToken(line, column, type),
|
|
_ch(ch)
|
|
{
|
|
}
|
|
|
|
bool DbcSingleCharToken::acceptsChar(QChar ch)
|
|
{
|
|
return (ch==_ch) && _data.isEmpty();
|
|
}
|
|
|