diff options
Diffstat (limited to '3rdParty/Boost/src/libs/program_options/src/winmain.cpp')
-rw-r--r-- | 3rdParty/Boost/src/libs/program_options/src/winmain.cpp | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/libs/program_options/src/winmain.cpp b/3rdParty/Boost/src/libs/program_options/src/winmain.cpp new file mode 100644 index 0000000..64cc790 --- /dev/null +++ b/3rdParty/Boost/src/libs/program_options/src/winmain.cpp @@ -0,0 +1,96 @@ +// Copyright Vladimir Prus 2002-2004. +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt +// or copy at http://www.boost.org/LICENSE_1_0.txt) + +#define BOOST_PROGRAM_OPTIONS_SOURCE +#include <boost/program_options/parsers.hpp> +#include <cctype> + +#ifdef _WIN32 +namespace boost { namespace program_options { + + // Take a command line string and splits in into tokens, according + // to the rules windows command line processor uses. + // + // The rules are pretty funny, see + // http://article.gmane.org/gmane.comp.lib.boost.user/3005 + // http://msdn.microsoft.com/library/en-us/vccelng/htm/progs_12.asp + BOOST_PROGRAM_OPTIONS_DECL + std::vector<std::string> split_winmain(const std::string& input) + { + std::vector<std::string> result; + + std::string::const_iterator i = input.begin(), e = input.end(); + for(;i != e; ++i) + if (!isspace((unsigned char)*i)) + break; + + if (i != e) { + + std::string current; + bool inside_quoted = false; + int backslash_count = 0; + + for(; i != e; ++i) { + if (*i == '"') { + // '"' preceded by even number (n) of backslashes generates + // n/2 backslashes and is a quoted block delimiter + if (backslash_count % 2 == 0) { + current.append(backslash_count / 2, '\\'); + inside_quoted = !inside_quoted; + // '"' preceded by odd number (n) of backslashes generates + // (n-1)/2 backslashes and is literal quote. + } else { + current.append(backslash_count / 2, '\\'); + current += '"'; + } + backslash_count = 0; + } else if (*i == '\\') { + ++backslash_count; + } else { + // Not quote or backslash. All accumulated backslashes should be + // added + if (backslash_count) { + current.append(backslash_count, '\\'); + backslash_count = 0; + } + if (isspace((unsigned char)*i) && !inside_quoted) { + // Space outside quoted section terminate the current argument + result.push_back(current); + current.resize(0); + for(;i != e && isspace((unsigned char)*i); ++i) + ; + --i; + } else { + current += *i; + } + } + } + + // If we have trailing backslashes, add them + if (backslash_count) + current.append(backslash_count, '\\'); + + // If we have non-empty 'current' or we're still in quoted + // section (even if 'current' is empty), add the last token. + if (!current.empty() || inside_quoted) + result.push_back(current); + } + return result; + } + +#ifndef BOOST_NO_STD_WSTRING + BOOST_PROGRAM_OPTIONS_DECL std::vector<std::wstring> + split_winmain(const std::wstring& cmdline) + { + std::vector<std::wstring> result; + std::vector<std::string> aux = split_winmain(to_internal(cmdline)); + for (unsigned i = 0, e = aux.size(); i < e; ++i) + result.push_back(from_utf8(aux[i])); + return result; + } +#endif + +}} +#endif |