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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /registry/tools/options.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'registry/tools/options.cxx')
-rw-r--r-- | registry/tools/options.cxx | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/registry/tools/options.cxx b/registry/tools/options.cxx new file mode 100644 index 000000000..0212c94e9 --- /dev/null +++ b/registry/tools/options.cxx @@ -0,0 +1,144 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include "options.hxx" + +#include <osl/diagnose.h> + +#include <stdio.h> + +namespace registry::tools +{ + +Options::Options (char const * program) + : m_program (program) +{} + +Options::~Options() +{} + +// static +bool Options::checkArgument(std::vector< std::string> & rArgs, char const * arg, size_t len) +{ + bool result = ((arg != nullptr) && (len > 0)); + OSL_PRECOND(result, "registry::tools::Options::checkArgument(): invalid arguments"); + if (!result) + return false; + + switch (arg[0]) + { + case '@': + result = len > 1; + if (result) + { + // "@<cmdfile>" + result = Options::checkCommandFile(rArgs, &(arg[1])); + } + break; + case '-': + result = len > 1; + if (result) + { + // "-<option>" + std::string option (&(arg[0]), 2); + rArgs.push_back(option); + if (len > 2) + { + // "-<option><param>" + std::string param(&(arg[2]), len - 2); + rArgs.push_back(param); + } + } + break; + default: + rArgs.push_back(std::string(arg, len)); + break; + } + return result; +} + +// static +bool Options::checkCommandFile(std::vector< std::string > & rArgs, char const * filename) +{ + FILE * fp = fopen(filename, "r"); + if (fp == nullptr) + { + fprintf(stderr, "ERROR: Can't open command file \"%s\"\n", filename); + return false; + } + + std::string buffer; + buffer.reserve(256); + + bool quoted = false; + int c = EOF; + while ((c = fgetc(fp)) != EOF) + { + switch(c) + { + case '\"': + quoted = !quoted; + break; + case ' ': + case '\t': + case '\r': + case '\n': + if (!quoted) + { + if (!buffer.empty()) + { + if (!checkArgument(rArgs, buffer.c_str(), buffer.size())) + { + // failure. + (void) fclose(fp); + return false; + } + buffer.clear(); + } + break; + } + [[fallthrough]]; + default: + buffer.push_back(sal::static_int_cast<char>(c)); + break; + } + } + return fclose(fp) == 0; +} + +bool Options::initOptions (std::vector< std::string > & rArgs) +{ + return initOptions_Impl (rArgs); +} + +bool Options::badOption (char const * reason, char const * option) const +{ + (void) fprintf(stderr, "%s: %s option '%s'\n", m_program.c_str(), reason, option); + return printUsage(); +} + +bool Options::printUsage() const +{ + printUsage_Impl(); + return false; +} + +} // namespace registry::tools + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |