135 lines
3.7 KiB
C++
135 lines
3.7 KiB
C++
// FbMenuParser.cc for Fluxbox
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// Copyright (c) 2004 - 2006 Henrik Kinnunen (fluxgen at fluxbox dot org)
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// and Simon Bowden (rathnor at users.sourceforge.net)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#include "FbMenuParser.hh"
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#include "FbTk/StringUtil.hh"
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bool FbMenuParser::open(const std::string &filename) {
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m_file.open(filename.c_str());
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m_curr_pos = 0;
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m_row = 0;
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m_curr_token = DONE;
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return isLoaded();
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}
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FbTk::Parser &FbMenuParser::operator >> (FbTk::Parser::Item &out) {
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if (eof()) {
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out = FbTk::Parser::s_empty_item;
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return *this;
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}
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if (m_curr_line.empty())
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m_curr_token = DONE; // try next line
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char first = '[';
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char second = ']';
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switch (m_curr_token) {
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case TYPE:
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first = '[';
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second = ']';
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break;
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case NAME:
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first = '(';
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second = ')';
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break;
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case ARGUMENT:
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first = '{';
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second = '}';
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break;
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case ICON:
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first = '<';
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second = '>';
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break;
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case DONE: // get new line and call this again
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if (!nextLine()) {
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out = FbTk::Parser::s_empty_item;
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return *this;
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}
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return (*this)>>out;
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break;
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}
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std::string key;
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int err = FbTk::StringUtil::
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getStringBetween(key, m_curr_line.c_str() + m_curr_pos,
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first, second);
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if (err <= 0) {
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if (m_curr_token == TYPE)
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m_curr_token = NAME;
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else if (m_curr_token == NAME)
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m_curr_token = ARGUMENT;
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else if (m_curr_token == ARGUMENT)
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m_curr_token = ICON;
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else if (m_curr_token == ICON)
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m_curr_token = DONE;
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out = FbTk::Parser::s_empty_item;
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return *this;
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}
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m_curr_pos += err; // update current position in current line
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// set value
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out.second = key;
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// set type and next token to be read
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switch (m_curr_token) {
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case TYPE:
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out.first = "TYPE";
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m_curr_token = NAME;
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break;
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case NAME:
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out.first = "NAME";
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m_curr_token = ARGUMENT;
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break;
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case ARGUMENT:
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out.first = "ARGUMENT";
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m_curr_token = ICON;
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break;
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case ICON:
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out.first = "ICON";
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m_curr_token = DONE;
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break;
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case DONE:
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break;
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}
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return *this;
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}
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FbTk::Parser::Item FbMenuParser::nextItem() {
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FbTk::Parser::Item item;
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(*this)>>item;
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return item;
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}
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bool FbMenuParser::nextLine() {
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if (!std::getline(m_file, m_curr_line))
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return false;
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m_row++;
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m_curr_pos = 0;
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m_curr_token = TYPE;
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return true;
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}
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