| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #include "options.hxx" |
| |
| #include "osl/diagnose.h" |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| namespace registry |
| { |
| namespace 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 != 0) && (len > 0)); |
| OSL_PRECOND(result, "registry::tools::Options::checkArgument(): invalid arguments"); |
| if (result) |
| { |
| OSL_TRACE("registry::tools:Options::checkArgument(): \"%s\"", arg); |
| switch (arg[0]) |
| { |
| case '@': |
| if ((result = (len > 1)) == true) |
| { |
| // "@<cmdfile>" |
| result = Options::checkCommandFile(rArgs, &(arg[1])); |
| } |
| break; |
| case '-': |
| if ((result = (len > 1)) == true) |
| { |
| // "-<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 == 0) |
| { |
| 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; |
| } |
| default: |
| // quoted white-space fall through |
| 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 tools |
| } // namespace registry |