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-rw-r--r--idlc/source/options.cxx424
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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 <sal/config.h>
+
+#include <string_view>
+
+#include <options.hxx>
+
+#include <osl/diagnose.h>
+#include <rtl/string.hxx>
+#include <rtl/strbuf.hxx>
+
+#include <rtl/ustring.hxx>
+#include <osl/file.hxx>
+#include <o3tl/char16_t2wchar_t.hxx>
+#include <o3tl/string_view.hxx>
+
+#ifdef _WIN32
+# if !defined WIN32_LEAN_AND_MEAN
+# define WIN32_LEAN_AND_MEAN
+# endif
+# include <windows.h>
+#endif
+
+#include <stdio.h>
+#include <string.h>
+
+
+Options::Options(char const * progname)
+ : m_program(progname), m_stdin(false), m_verbose(false), m_quiet(false)
+{
+}
+
+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, "idlc::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>"
+ switch (arg[1])
+ {
+ case 'O':
+ case 'M':
+ case 'I':
+ case 'D':
+ {
+ // "-<option>[<param>]
+ 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:
+ // "-<option>" ([long] option, w/o param)
+ rArgs.emplace_back(arg, len);
+ break;
+ }
+ }
+ break;
+ default:
+ // "<param>"
+ rArgs.emplace_back(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())
+ {
+ // append current argument.
+ if (!Options::checkArgument(rArgs, buffer.c_str(), buffer.size()))
+ {
+ (void) fclose(fp);
+ return false;
+ }
+ buffer.clear();
+ }
+ break;
+ }
+ [[fallthrough]];
+ default:
+ buffer.push_back(sal::static_int_cast<char>(c));
+ break;
+ }
+ }
+ if (!buffer.empty())
+ {
+ // append unterminated argument.
+ if (!Options::checkArgument(rArgs, buffer.c_str(), buffer.size()))
+ {
+ (void) fclose(fp);
+ return false;
+ }
+ buffer.clear();
+ }
+ return (fclose(fp) == 0);
+}
+
+bool Options::badOption(char const * reason, std::string const & rArg)
+{
+ if (reason != nullptr)
+ {
+ OString message = OString::Concat(reason) + " option '" + rArg.c_str() + "'";
+ throw IllegalArgument(message);
+ }
+ return false;
+}
+
+bool Options::setOption(char const * option, std::string const & rArg)
+{
+ bool result = (0 == strcmp(option, rArg.c_str()));
+ if (result)
+ m_options[rArg.c_str()] = OString(rArg.c_str(), rArg.size());
+ return result;
+}
+
+#ifdef _WIN32
+/* Helper function to convert windows paths including spaces, brackets etc. into
+ a windows short Url. The ucpp preprocessor has problems with such paths and returns
+ with error.
+*/
+static OString convertIncPathtoShortWindowsPath(const OString& incPath) {
+ OUString path = OStringToOUString(incPath, RTL_TEXTENCODING_UTF8);
+
+ std::vector<sal_Unicode> vec(path.getLength() + 1);
+ //GetShortPathNameW only works if the file can be found!
+ const DWORD len = GetShortPathNameW(
+ o3tl::toW(path.getStr()), o3tl::toW(vec.data()), path.getLength() + 1);
+
+ if (len > 0)
+ {
+ OUString ret(vec.data(), len);
+ return OUStringToOString(ret, RTL_TEXTENCODING_UTF8);
+ }
+
+ return incPath;
+}
+#endif
+
+bool Options::initOptions(std::vector< std::string > & rArgs)
+{
+ std::vector< std::string >::const_iterator first = rArgs.begin(), last = rArgs.end();
+ for (; first != last; ++first)
+ {
+ if ((*first)[0] != '-')
+ {
+ OString filename((*first).c_str(), (*first).size());
+ OString tmp(filename.toAsciiLowerCase());
+ if (tmp.lastIndexOf(".idl") != (tmp.getLength() - 4))
+ {
+ throw IllegalArgument("'" + filename + "' is not a valid input file, only '*.idl' files will be accepted");
+ }
+ m_inputFiles.push_back(filename);
+ continue;
+ }
+
+ std::string const option(*first);
+ switch((*first)[1])
+ {
+ case 'O':
+ {
+ if ((++first == last) || ((*first)[0] == '-'))
+ {
+ return badOption("invalid", option);
+ }
+ OString param((*first).c_str(), (*first).size());
+ m_options["-O"] = param;
+ break;
+ }
+ case 'M':
+ {
+ if ((++first == last) || ((*first)[0] == '-'))
+ {
+ return badOption("invalid", option);
+ }
+ OString param((*first).c_str(), (*first).size());
+ m_options["-M"] = param;
+ break;
+ }
+ case 'I':
+ {
+ if ((++first == last) || ((*first)[0] == '-'))
+ {
+ return badOption("invalid", option);
+ }
+ OString param((*first).c_str(), (*first).size());
+ {
+ // quote param token(s).
+ OStringBuffer buffer;
+ sal_Int32 k = 0;
+ do
+ {
+ if (!buffer.isEmpty())
+ buffer.append(' ');
+// buffer.append("-I\"");
+#ifdef _WIN32
+ OString incpath = convertIncPathtoShortWindowsPath(param.getToken(0, ';', k));
+#else
+ std::string_view incpath = o3tl::getToken(param, 0, ';', k);
+#endif
+ buffer.append(incpath);
+// buffer.append("\"");
+ } while (k != -1);
+ param = buffer.makeStringAndClear();
+ }
+ if (m_options.count("-I") > 0)
+ {
+ // append param.
+ param = m_options["-I"] + " " + param;
+ }
+ m_options["-I"] = param;
+ break;
+ }
+ case 'D':
+ {
+ if ((++first == last) || ((*first)[0] == '-'))
+ {
+ return badOption("invalid", option);
+ }
+ OString param = OString::Concat("-D") + std::string_view((*first).c_str(), (*first).size());
+ if (m_options.count("-D") > 0)
+ {
+ param = m_options["-D"] + " " + param;
+ }
+ m_options["-D"] = param;
+ break;
+ }
+ case 'C':
+ {
+ if (!setOption("-C", option))
+ {
+ return badOption("invalid", option);
+ }
+ break;
+ }
+ case 'c':
+ {
+ if (!setOption("-cid", option))
+ {
+ return badOption("invalid", option);
+ }
+ break;
+ }
+ case 'q':
+ {
+ if (!setOption("-quiet", option))
+ {
+ return badOption("invalid", option);
+ }
+ m_quiet = true;
+ break;
+ }
+ case 'v':
+ {
+ if (!setOption("-verbose", option))
+ {
+ return badOption("invalid", option);
+ }
+ m_verbose = true;
+ break;
+ }
+ case 'w':
+ {
+ if (!(setOption("-w", option) || setOption("-we", option)))
+ {
+ return badOption("invalid", option);
+ }
+ break;
+ }
+ case 'h':
+ case '?':
+ {
+ if (!(setOption("-h", option) || setOption("-?", option)))
+ {
+ return badOption("invalid", option);
+ }
+ {
+ (void) fprintf(stdout, "%s", prepareHelp().getStr());
+ return false;
+ }
+ // break; // Unreachable
+ }
+ case 's':
+ {
+ if (!setOption("-stdin", option))
+ {
+ return badOption("invalid", option);
+ }
+ m_stdin = true;
+ break;
+ }
+ default:
+ return badOption("unknown", option);
+ }
+ }
+ return true;
+}
+
+OString Options::prepareHelp() const
+{
+ OString help = "\nusing: " +
+ m_program + " [-options] <file_1> ... <file_n> | @<filename> | -stdin\n"
+ " <file_n> = file_n specifies one or more idl files.\n"
+ " Only files with the extension '.idl' are valid.\n"
+ " @<filename> = filename specifies the name of a command file.\n"
+ " -stdin = read idl file from standard input.\n"
+ " Options:\n"
+ " -O<path> = path specifies the output directory.\n"
+ " The generated output is a registry file with\n"
+ " the same name as the idl input file (or 'stdin'\n"
+ " for -stdin).\n"
+ " -M<path> = path specifies the output directory for deps.\n"
+ " Generate GNU make dependency files with the\n"
+ " same name as the idl input file.\n"
+ " -I<path> = path specifies a directory where include\n"
+ " files will be searched by the preprocessor.\n"
+ " Multiple directories can be combined with ';'.\n"
+ " -D<name> = name defines a macro for the preprocessor.\n"
+ " -C = generate complete type information, including\n"
+ " documentation.\n"
+ " -cid = check if identifiers fulfill the UNO naming\n"
+ " requirements.\n"
+ " -quiet = no output.\n"
+ " -verbose = verbose output.\n"
+ " -w = display warning messages.\n"
+ " -we = treat warnings as errors.\n"
+ " -h|-? = print this help message and exit.\n\n" +
+ prepareVersion();
+
+ return help;
+}
+
+OString Options::prepareVersion() const
+{
+ return m_program + " Version 1.1\n\n";
+}
+
+
+bool Options::isValid(const OString& option) const
+{
+ return (m_options.count(option) > 0);
+}
+
+const OString& Options::getOption(const OString& option)
+{
+ if (!isValid(option))
+ {
+ throw IllegalArgument("Option is not valid or currently not set.");
+ }
+ return m_options[option];
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */