304 lines
9.6 KiB
C++
304 lines
9.6 KiB
C++
//#define BOOST_NO_SCOPED_ENUMS
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#include <fc/filesystem.hpp>
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#include <fc/exception/exception.hpp>
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#include <fc/fwd_impl.hpp>
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#include <fc/utility.hpp>
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#include <fc/io/fstream.hpp>
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#include <boost/config.hpp>
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#include <boost/filesystem.hpp>
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#include <fc/variant.hpp>
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namespace fc {
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void to_variant( const fc::path& t, variant& v ) {
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v = t.generic_string();
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}
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void from_variant( const fc::variant& v, fc::path& t ) {
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t = fc::path(v.as_string());
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}
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// Note: we can do this cast because the separator should be an ASCII character
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char path::separator_char = static_cast<char>(boost::filesystem::path("/").make_preferred().native()[0]);
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path::path(){}
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path::~path(){};
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path::path( const boost::filesystem::path& p )
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:_p(p){}
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path::path( const char* p )
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:_p(p){}
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path::path( const fc::string& p )
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:_p(p.c_str()){}
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path::path( const path& p )
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:_p(p){}
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path::path( path&& p )
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:_p(std::move(p)){}
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path& path::operator =( const path& p ) {
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*_p = *p._p;
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return *this;
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}
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path& path::operator =( path&& p ) {
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*_p = fc::move( *p._p );
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return *this;
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}
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bool operator <( const fc::path& l, const fc::path& r ) { return *l._p < *r._p; }
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bool operator ==( const fc::path& l, const fc::path& r ) { return *l._p == *r._p; }
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bool operator !=( const fc::path& l, const fc::path& r ) { return *l._p != *r._p; }
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path& path::operator /=( const fc::path& p ) {
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*_p /= *p._p;
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return *this;
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}
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path operator /( const fc::path& p, const fc::path& o ) {
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path tmp;
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tmp = *p._p / *o._p;
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return tmp;
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}
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path::operator boost::filesystem::path& () {
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return *_p;
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}
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path::operator const boost::filesystem::path& ()const {
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return *_p;
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}
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fc::string path::generic_string()const {
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return _p->generic_string();
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}
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/**
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* @todo use iterators instead of indexes for
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* faster performance
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*/
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fc::string path::windows_string()const {
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auto gs = _p->generic_string();
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for( size_t i =0 ; i < gs.size(); ++i ) {
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if( gs[i] == '/' ) gs[i] = '\\';
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}
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return gs;
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}
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fc::string path::string()const {
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return _p->string();
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}
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fc::path path::filename()const {
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return _p->filename();
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}
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void path::replace_extension( const fc::path& e ) {
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_p->replace_extension(e);
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}
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fc::path path::extension()const {
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return _p->extension();
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}
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fc::path path::stem()const {
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return _p->stem();
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}
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fc::path path::parent_path()const {
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return _p->parent_path();
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}
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bool path::is_relative()const { return _p->is_relative(); }
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bool path::is_absolute()const { return _p->is_absolute(); }
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directory_iterator::directory_iterator( const fc::path& p )
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:_p(p){}
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directory_iterator::directory_iterator(){}
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directory_iterator::~directory_iterator(){}
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fc::path directory_iterator::operator*()const { return boost::filesystem::path(*(*_p)); }
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directory_iterator& directory_iterator::operator++(int) { (*_p)++; return *this; }
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directory_iterator& directory_iterator::operator++() { (*_p)++; return *this; }
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bool operator==( const directory_iterator& r, const directory_iterator& l) {
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return *r._p == *l._p;
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}
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bool operator!=( const directory_iterator& r, const directory_iterator& l) {
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return *r._p != *l._p;
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}
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recursive_directory_iterator::recursive_directory_iterator( const fc::path& p )
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:_p(p){}
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recursive_directory_iterator::recursive_directory_iterator(){}
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recursive_directory_iterator::~recursive_directory_iterator(){}
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fc::path recursive_directory_iterator::operator*()const { return boost::filesystem::path(*(*_p)); }
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recursive_directory_iterator& recursive_directory_iterator::operator++(int) { (*_p)++; return *this; }
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recursive_directory_iterator& recursive_directory_iterator::operator++() { (*_p)++; return *this; }
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void recursive_directory_iterator::pop() { (*_p).pop(); }
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int recursive_directory_iterator::level() { return _p->level(); }
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bool operator==( const recursive_directory_iterator& r, const recursive_directory_iterator& l) {
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return *r._p == *l._p;
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}
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bool operator!=( const recursive_directory_iterator& r, const recursive_directory_iterator& l) {
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return *r._p != *l._p;
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}
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bool exists( const path& p ) { return boost::filesystem::exists(p); }
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void create_directories( const path& p ) {
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try {
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boost::filesystem::create_directories(p);
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} catch ( ... ) {
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FC_THROW( "Unable to create directories ${path}", ("path", p )("inner", fc::except_str() ) );
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}
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}
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bool is_directory( const path& p ) { return boost::filesystem::is_directory(p); }
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bool is_regular_file( const path& p ) { return boost::filesystem::is_regular_file(p); }
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uint64_t file_size( const path& p ) { return boost::filesystem::file_size(p); }
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void remove_all( const path& p ) { boost::filesystem::remove_all(p); }
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void copy( const path& f, const path& t ) {
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try {
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boost::filesystem::copy( boost::filesystem::path(f), boost::filesystem::path(t) );
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} catch ( boost::system::system_error& e ) {
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FC_THROW( "Copy from ${srcfile} to ${dstfile} failed because ${reason}",
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("srcfile",f)("dstfile",t)("reason",e.what() ) );
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} catch ( ... ) {
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FC_THROW( "Copy from ${srcfile} to ${dstfile} failed",
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("srcfile",f)("dstfile",t)("inner", fc::except_str() ) );
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}
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}
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void rename( const path& f, const path& t ) {
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try {
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boost::filesystem::rename( boost::filesystem::path(f), boost::filesystem::path(t) );
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} catch ( boost::system::system_error& e ) {
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FC_THROW( "Rename from ${srcfile} to ${dstfile} failed because ${reason}",
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("srcfile",f)("dstfile",t)("reason",e.what() ) );
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} catch ( ... ) {
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FC_THROW( "Rename from ${srcfile} to ${dstfile} failed",
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("srcfile",f)("dstfile",t)("inner", fc::except_str() ) );
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}
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}
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void create_hard_link( const path& f, const path& t ) {
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try {
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boost::filesystem::create_hard_link( f, t );
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} catch ( ... ) {
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FC_THROW( "Unable to create hard link from '${from}' to '${to}'",
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( "from", f )("to",t)("exception", fc::except_str() ) );
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}
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}
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bool remove( const path& f ) {
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try {
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return boost::filesystem::remove( f );
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} catch ( ... ) {
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FC_THROW( "Unable to remove '${path}'", ( "path", f )("exception", fc::except_str() ) );
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}
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}
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fc::path canonical( const fc::path& p ) {
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try {
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return boost::filesystem::canonical(p);
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} catch ( ... ) {
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FC_THROW( "Unable to resolve path '${path}'", ( "path", p )("exception", fc::except_str() ) );
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}
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}
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fc::path absolute( const fc::path& p ) { return boost::filesystem::absolute(p); }
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path unique_path() { return boost::filesystem::unique_path(); }
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path temp_directory_path() { return boost::filesystem::temp_directory_path(); }
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// Return path when appended to a_From will resolve to same as a_To
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fc::path make_relative(const fc::path& from, const fc::path& to) {
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boost::filesystem::path a_From = boost::filesystem::absolute(from);
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boost::filesystem::path a_To = boost::filesystem::absolute(to);
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boost::filesystem::path ret;
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boost::filesystem::path::const_iterator itrFrom(a_From.begin()), itrTo(a_To.begin());
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// Find common base
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for( boost::filesystem::path::const_iterator toEnd( a_To.end() ), fromEnd( a_From.end() ) ; itrFrom != fromEnd && itrTo != toEnd && *itrFrom == *itrTo; ++itrFrom, ++itrTo );
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// Navigate backwards in directory to reach previously found base
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for( boost::filesystem::path::const_iterator fromEnd( a_From.end() ); itrFrom != fromEnd; ++itrFrom ) {
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if( (*itrFrom) != "." )
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ret /= "..";
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}
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// Now navigate down the directory branch
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for (; itrTo != a_To.end(); ++itrTo)
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ret /= *itrTo;
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return ret;
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}
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temp_file::temp_file(const fc::path& p, bool create)
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: temp_file_base(p / fc::unique_path())
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{
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if (fc::exists(*_path))
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{
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FC_THROW( "Name collision: ${path}", ("path", _path->string()) );
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}
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if (create)
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{
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fc::ofstream ofs(*_path, fc::ofstream::out | fc::ofstream::binary);
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ofs.close();
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}
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}
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temp_file::temp_file(temp_file&& other)
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: temp_file_base(std::move(other._path))
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{
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}
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temp_file& temp_file::operator=(temp_file&& other)
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{
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if (this != &other)
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{
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remove();
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_path = std::move(other._path);
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}
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return *this;
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}
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temp_directory::temp_directory(const fc::path& p)
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: temp_file_base(p / fc::unique_path())
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{
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if (fc::exists(*_path))
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{
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FC_THROW( "Name collision: ${path}", ("path", _path->string()) );
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}
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fc::create_directories(*_path);
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}
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temp_directory::temp_directory(temp_directory&& other)
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: temp_file_base(std::move(other._path))
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{
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}
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temp_directory& temp_directory::operator=(temp_directory&& other)
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{
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if (this != &other)
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{
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remove();
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_path = std::move(other._path);
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}
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return *this;
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}
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const fc::path& temp_file_base::path() const
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{
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if (!_path)
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{
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FC_THROW( "Temporary directory has been released." );
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}
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return *_path;
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}
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void temp_file_base::remove()
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{
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if (_path)
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{
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try
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{
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fc::remove_all(*_path);
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}
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catch (...)
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{
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// eat errors on cleanup
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}
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release();
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}
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}
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void temp_file_base::release()
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{
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_path = fc::optional<fc::path>();
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}
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}
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