156 lines
4.2 KiB
C++
156 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include "options.hxx"
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#include "osl/diagnose.h"
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#include <stdio.h>
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#include <string.h>
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namespace registry
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{
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namespace tools
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{
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Options::Options (char const * program)
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: m_program (program)
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{}
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Options::~Options()
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{}
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// static
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bool Options::checkArgument(std::vector< std::string> & rArgs, char const * arg, size_t len)
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{
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bool result = ((arg != 0) && (len > 0));
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OSL_PRECOND(result, "registry::tools::Options::checkArgument(): invalid arguments");
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if (result)
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{
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OSL_TRACE("registry::tools:Options::checkArgument(): \"%s\"", arg);
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switch (arg[0])
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{
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case '@':
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if ((result = (len > 1)) == true)
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{
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// "@<cmdfile>"
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result = Options::checkCommandFile(rArgs, &(arg[1]));
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}
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break;
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case '-':
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if ((result = (len > 1)) == true)
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{
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// "-<option>"
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std::string option (&(arg[0]), 2);
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rArgs.push_back(option);
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if (len > 2)
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{
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// "-<option><param>"
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std::string param(&(arg[2]), len - 2);
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rArgs.push_back(param);
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}
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}
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break;
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default:
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rArgs.push_back(std::string(arg, len));
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break;
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}
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}
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return (result);
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}
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// static
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bool Options::checkCommandFile(std::vector< std::string > & rArgs, char const * filename)
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{
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FILE * fp = fopen(filename, "r");
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if (fp == 0)
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{
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fprintf(stderr, "ERROR: Can't open command file \"%s\"\n", filename);
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return (false);
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}
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std::string buffer;
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buffer.reserve(256);
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bool quoted = false;
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int c = EOF;
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while ((c = fgetc(fp)) != EOF)
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{
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switch(c)
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{
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case '\"':
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quoted = !quoted;
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break;
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case ' ':
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case '\t':
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case '\r':
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case '\n':
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if (!quoted)
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{
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if (!buffer.empty())
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{
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if (!checkArgument(rArgs, buffer.c_str(), buffer.size()))
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{
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// failure.
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(void) fclose(fp);
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return false;
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}
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buffer.clear();
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}
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break;
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}
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default:
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// quoted white-space fall through
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buffer.push_back(sal::static_int_cast<char>(c));
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break;
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}
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}
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return (fclose(fp) == 0);
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}
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bool Options::initOptions (std::vector< std::string > & rArgs)
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{
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return initOptions_Impl (rArgs);
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}
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bool Options::badOption (char const * reason, char const * option) const
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{
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(void) fprintf(stderr, "%s: %s option '%s'\n", m_program.c_str(), reason, option);
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return printUsage();
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}
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bool Options::printUsage() const
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{
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printUsage_Impl();
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return false;
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}
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} // namespace tools
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} // namespace registry
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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