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-rw-r--r--registry/tools/options.cxx144
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diff --git a/registry/tools/options.cxx b/registry/tools/options.cxx
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+/* -*- 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: */