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// FbMenuParser.cc for Fluxbox
// Copyright (c) 2004 Henrik Kinnunen (fluxgen at users.sourceforge.net)
// and Simon Bowden (rathnor at users.sourceforge.net)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
// $Id: FbMenuParser.cc,v 1.1 2004/05/02 21:02:26 fluxgen Exp $
#include "FbMenuParser.hh"
#include "FbTk/StringUtil.hh"
bool FbMenuParser::open(const std::string &filename) {
m_file.open(filename.c_str());
m_curr_pos = 0;
m_row = 0;
m_curr_token = DONE;
return isLoaded();
}
Parser &FbMenuParser::operator >> (Parser::Item &out) {
if (eof()) {
out = Parser::s_empty_item;
return *this;
}
if (m_curr_line.empty())
m_curr_token = DONE; // try next line
char first = '[';
char second = ']';
switch (m_curr_token) {
case TYPE:
first = '[';
second = ']';
break;
case NAME:
first = '(';
second = ')';
break;
case ARGUMENT:
first = '{';
second = '}';
break;
case DONE: // get new line and call this again
if (!nextLine()) {
out = Parser::s_empty_item;
return *this;
}
return (*this)>>out;
break;
}
std::string key;
int err = FbTk::StringUtil::
getStringBetween(key, m_curr_line.c_str() + m_curr_pos,
first, second);
if (err <= 0) {
if (m_curr_token == TYPE)
m_curr_token = NAME;
else if (m_curr_token == NAME)
m_curr_token = ARGUMENT;
else if (m_curr_token == ARGUMENT)
m_curr_token = DONE;
out = Parser::s_empty_item;
return *this;
}
m_curr_pos += err; // update current position in current line
// set value
out.second = key;
// set type and next token to be read
switch (m_curr_token) {
case TYPE:
out.first = "TYPE";
m_curr_token = NAME;
break;
case NAME:
out.first = "NAME";
m_curr_token = ARGUMENT;
break;
case ARGUMENT:
out.first = "ARGUMENT";
m_curr_token = DONE;
break;
case DONE:
break;
}
return *this;
}
Parser::Item FbMenuParser::nextItem() {
Parser::Item item;
(*this)>>item;
return item;
}
bool FbMenuParser::nextLine() {
if (!getline(m_file, m_curr_line))
return false;
m_row++;
m_curr_pos = 0;
m_curr_token = TYPE;
return true;
}
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