Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 424 insertions, 0 deletions

diff --git a/idlc/source/options.cxx b/idlc/source/options.cxx
new file mode 100644
index 000000000..0fd06cc9f
--- /dev/null
+++ b/idlc/source/options.cxx
@@ -0,0 +1,424 @@
+/* -*- 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: */