mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2025-02-23 13:17:14 +01:00
4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
106 lines
1.6 KiB
C++
106 lines
1.6 KiB
C++
//
|
|
// StreamTokenizer.cpp
|
|
//
|
|
// Library: Foundation
|
|
// Package: Streams
|
|
// Module: StreamTokenizer
|
|
//
|
|
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// SPDX-License-Identifier: BSL-1.0
|
|
//
|
|
|
|
|
|
#include "Poco/StreamTokenizer.h"
|
|
|
|
|
|
namespace Poco {
|
|
|
|
|
|
StreamTokenizer::StreamTokenizer():
|
|
_pIstr(0)
|
|
{
|
|
}
|
|
|
|
|
|
StreamTokenizer::StreamTokenizer(std::istream& istr):
|
|
_pIstr(&istr)
|
|
{
|
|
}
|
|
|
|
|
|
StreamTokenizer::~StreamTokenizer()
|
|
{
|
|
for (auto& t: _tokens)
|
|
{
|
|
delete t.pToken;
|
|
}
|
|
}
|
|
|
|
|
|
void StreamTokenizer::attachToStream(std::istream& istr)
|
|
{
|
|
_pIstr = &istr;
|
|
}
|
|
|
|
|
|
void StreamTokenizer::addToken(Token* pToken)
|
|
{
|
|
poco_check_ptr (pToken);
|
|
|
|
TokenInfo ti;
|
|
ti.pToken = pToken;
|
|
ti.ignore = (pToken->tokenClass() == Token::COMMENT_TOKEN || pToken->tokenClass() == Token::WHITESPACE_TOKEN);
|
|
_tokens.push_back(ti);
|
|
}
|
|
|
|
|
|
void StreamTokenizer::addToken(Token* pToken, bool ignore)
|
|
{
|
|
poco_check_ptr (pToken);
|
|
|
|
TokenInfo ti;
|
|
ti.pToken = pToken;
|
|
ti.ignore = ignore;
|
|
_tokens.push_back(ti);
|
|
}
|
|
|
|
|
|
const Token* StreamTokenizer::next()
|
|
{
|
|
poco_check_ptr (_pIstr);
|
|
|
|
static const int eof = std::char_traits<char>::eof();
|
|
|
|
int first = _pIstr->get();
|
|
TokenVec::const_iterator it = _tokens.begin();
|
|
while (first != eof && it != _tokens.end())
|
|
{
|
|
const TokenInfo& ti = *it;
|
|
if (ti.pToken->start((char) first, *_pIstr))
|
|
{
|
|
ti.pToken->finish(*_pIstr);
|
|
if (ti.ignore)
|
|
{
|
|
first = _pIstr->get();
|
|
it = _tokens.begin();
|
|
}
|
|
else return ti.pToken;
|
|
}
|
|
else ++it;
|
|
}
|
|
if (first == eof)
|
|
{
|
|
return &_eofToken;
|
|
}
|
|
else
|
|
{
|
|
_invalidToken.start((char) first, *_pIstr);
|
|
return &_invalidToken;
|
|
}
|
|
}
|
|
|
|
|
|
} // namespace Poco
|