Regular commit

[backups/.git] / filedata.cpp

diff --git a/filedata.cpp b/filedata.cpp
index c66dadcd4f7e72dd51542e3b561dc12d3f856664..2a9840a7756717aec032566d93f1fc92f16b73b4 100644 (file)
--- a/filedata.cpp
+++ b/filedata.cpp
@@ -1,4 +1,6 @@
 #include <string>
+#include <vector>
+#include <iostream>
 
 #include "filedata.hpp"
 
@@ -8,16 +10,73 @@ FileData::FileData( char               _type,
                     string             _permissions,
                     string             _user,
                     string             _group,
-                    unsigned long      _size,
+                    unsigned long long _size,
                     unsigned long long _modified_date,
-                    string             _name,
-                    unsigned long long _last_backup )
+                    unsigned long long _last_backup,
+                    string             _name )
 : filetype( _type ),
   permissions( _permissions ),
   username( _user ),
   groupname( _group ),
   filesize( _size ),
   modified_date( _modified_date ),
-  filename( _name ),
-  last_backup_date( _last_backup )
+  last_backup_date( _last_backup ),
+  filename( _name )
 {}
+
+vector<string> split( const string &line, char c, int limit = -1 ) {
+  string::size_type start = 0, end = 0;
+
+  vector<string> out;
+  while( 0 != limit-- && end != line.size() ) {
+    if( 0 == limit ) {
+      end = line.size();
+    } else {
+      end = line.find( c, start );
+      if( end == string::npos ) {
+        end = line.size();
+      }
+    }
+    out.push_back( line.substr( start, end-start ) );
+    start = end + 1;
+  }
+  return out;
+}
+
+ostream &operator<<( const FileData &d, ostream &o ) {
+  o << d.getFileType()       << ' ';
+  o << d.getPermissions()    << ' ';
+  o << d.getUserName()       << ' ';
+  o << d.getGroupName()      << ' ';
+  o << d.getFileSize()       << ' ';
+  o << d.getModifiedDate()   << ' ';
+  o << d.getLastBackupDate() << ' ';
+  o << d.getFileName()       << '\0';
+
+  return o;
+}
+
+istream &operator>>( istream &i, FileData &d ) {
+  string file_string;
+
+  for( int c = i.get(); 0 != c && ! i.eof(); c = i.get() ) {
+    file_string.push_back( c );
+  }
+
+  if( 0 != file_string.size() ) {
+    // Example entry
+    // type perms user group size datemodified name (8 total)
+    // f 0600 cnb cnb 424 20051015205340 0 ./.git/index
+    vector<string> vals = split( file_string, ' ', 8 );
+    d.setFileType(       vals[0][0] );
+    d.setPermissions(    vals[1] );
+    d.setUserName(       vals[2] );
+    d.setGroupName(      vals[3] );
+    d.setFileSize(       atoi( vals[4].c_str() ) );
+    d.setModifiedDate(   atoi( vals[5].c_str() ) );
+    d.setLastBackupDate( atoi( vals[6].c_str() ) );
+    d.setFileName(       vals[7] );
+  }
+
+  return i;
+}