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Diffstat (limited to 'idlc/source/options.cxx')
| -rw-r--r-- | idlc/source/options.cxx | 424 |
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: */ |