/* * RunCommandLine - run a command line command */ vi_rc RunCommandLine( const char *cmdl ) { int i, x, y, x2, y2; bool n1f, n2f; int tkn, flag; bool test1; linenum n1, n2; char st[FILENAME_MAX]; info *cinfo; long val; jmp_buf jmpaddr; vi_rc rc; const char *data; /* * parse command string */ tkn = TOK_INVALID; rc = ParseCommandLine( cmdl, &n1, &n1f, &n2, &n2f, &tkn, &data ); if( rc != ERR_NO_ERR ) { return( rc ); } if( !n2f ) { if( !n1f ) { n1 = n2 = CurrentPos.line; } else { n2 = n1; } } /* * process tokens */ rc = ERR_INVALID_COMMAND; test1 = n1f || n2f; switch( tkn ) { case PCL_T_ABOUT: rc = DoAboutBox(); break; case PCL_T_PUSH: rc = PushFileStackAndMsg(); break; case PCL_T_POP: rc = PopFileStack(); break; case PCL_T_EXECUTE: data = SkipLeadingSpaces( data ); if( *data != '\0' ) { key_map scr; rc = AddKeyMap( &scr, data ); if( rc != ERR_NO_ERR ) { break; } rc = RunKeyMap( &scr, 1L ); MemFree( scr.data ); } break; case PCL_T_DELETEMENU: rc = DoMenuDelete( data ); break; case PCL_T_DELETEMENUITEM: rc = DoItemDelete( data ); break; case PCL_T_ADDMENUITEM: rc = AddMenuItem( data ); break; case PCL_T_MAXIMIZE: rc = MaximizeCurrentWindow(); break; case PCL_T_MINIMIZE: rc = MinimizeCurrentWindow(); break; case PCL_T_EXITFILESONLY: if( !ExitWithPrompt( false, false ) ) { rc = ERR_EXIT_ABORTED; } else { rc = ERR_NO_ERR; } break; case PCL_T_EXITALL: if( !ExitWithPrompt( true, false ) ) { rc = ERR_EXIT_ABORTED; } else { rc = ERR_NO_ERR; } break; case PCL_T_QUITALL: ExitWithVerify(); rc = ERR_NO_ERR; break; case PCL_T_KEYADD: data = SkipLeadingSpaces( data ); KeyAddString( data ); rc = ERR_NO_ERR; break; case PCL_T_UNALIAS: rc = UnAlias( data ); break; case PCL_T_UNABBREV: rc = UnAbbrev( data ); break; case PCL_T_UNMAP: case PCL_T_UNMAP_DMT: flag = MAPFLAG_MESSAGE + MAPFLAG_UNMAP; if( tkn == PCL_T_UNMAP_DMT ) { flag |= MAPFLAG_DAMMIT; } rc = MapKey( flag, data ); break; case PCL_T_EVAL: data = Expand( dataBuff, data, NULL ); i = setjmp( jmpaddr ); if( i != 0 ) { rc = (vi_rc)i; } else { StartExprParse( data, jmpaddr ); val = GetConstExpr(); ltoa( val, st, EditVars.Radix ); Message1( "%s", st ); rc = ERR_NO_ERR; } break; case PCL_T_COMPILE: case PCL_T_SOURCE: case PCL_T_LOAD: { char *tstr; srcline sline; data = GetNextWord1( data, st ); if( *st == '\0' ) { rc = ERR_NO_FILE_SPECIFIED; break; } if( tkn == PCL_T_COMPILE ) { EditFlags.CompileScript = true; if( st[0] == '-' ) { if( st[1] == 'a' || st[1] == 'A' ) { EditFlags.CompileAssignments = true; if( st[1] == 'A' ) { EditFlags.CompileAssignmentsDammit = true; } data = GetNextWord1( data, st); if( *st == '\0' ) { rc = ERR_NO_FILE_SPECIFIED; break; } } } } if( tkn == PCL_T_LOAD ) { EditFlags.LoadResidentScript = true; } sline = 0; rc = Source( st, data, &sline ); EditFlags.LoadResidentScript = false; EditFlags.CompileScript = false; EditFlags.CompileAssignments = false; EditFlags.CompileAssignmentsDammit = false; if( EditFlags.SourceScriptActive ) { LastError = rc; } if( rc > ERR_NO_ERR ) { Error( "%s on line %u of \"%s\"", GetErrorMsg( rc ), sline, st ); } else { if( rc != DO_NOT_CLEAR_MESSAGE_WINDOW ) { if( tkn != PCL_T_SOURCE ) { if( tkn == PCL_T_LOAD ) { tstr = strLoad; } else { tstr = strCompile; } Message1( "Script \"%s\" %s, %u lines generated, %d errors", st, tstr, sline, SourceErrCount ); rc = DO_NOT_CLEAR_MESSAGE_WINDOW; } } } break; } case PCL_T_GENCONFIG: #ifndef __WIN__ data = GetNextWord1( data,st ); if( *st != '\0' ) { rc = GenerateConfiguration( st, true ); } else { rc = GenerateConfiguration( NULL, true ); } #else { bool temp = EditFlags.SaveConfig; EditFlags.SaveConfig = true; WriteProfile(); EditFlags.SaveConfig = temp; rc = ERR_NO_ERR; } #endif break; case PCL_T_COMPRESS: rc = CompressWhiteSpace(); break; case PCL_T_EXPAND: rc = ExpandWhiteSpace(); break; case PCL_T_SHOVE: rc = Shift( n1, n2, '>', true ); break; case PCL_T_SUCK: rc = Shift( n1, n2, '<', true ); break; case PCL_T_FILES: if( EditFlags.LineDisplay ) { rc = DisplayFileStatus(); } else { rc = EditFileFromList(); } break; case PCL_T_NEXT: rc = RotateFileForward(); break; case PCL_T_PREV: rc = RotateFileBackwards(); break; case PCL_T_HELP: rc = DoHelp( data ); break; case PCL_T_VIEW: case PCL_T_VIEW_DMT: EditFlags.ViewOnly = true; case PCL_T_EDIT: case PCL_T_EDIT_DMT: rc = EditFile( data, ( tkn == PCL_T_VIEW_DMT || tkn == PCL_T_EDIT_DMT ) ); EditFlags.ViewOnly = false; break; case PCL_T_OPEN: rc = OpenWindowOnFile( data ); break; case PCL_T_HIDE: case PCL_T_HIDE_DMT: rc = HideLineRange( n1, n2, ( tkn == PCL_T_HIDE_DMT ) ); break; case PCL_T_DELETE: rc = SetSavebufNumber( data ); if( rc != ERR_NO_ERR ) { break; } if( SelRgn.selected && !EditFlags.LineBased ) { AddSelRgnToSavebufAndDelete(); rc = ERR_NO_ERR; // @ may have turned this on - it is now definitely off SelRgn.selected = false; } else { rc = DeleteLineRange( n1, n2, SAVEBUF_FLAG ); } if( rc == ERR_NO_ERR ) { DCDisplayAllLines(); LineDeleteMessage( n1, n2 ); } break; case PCL_T_SAVEANDEXIT: data = GetNextWord1( data, st ); if( *st == '\0' ) { rc = SaveAndExit( st ); } else { rc = SaveAndExit( NULL ); } break; case PCL_T_PUT: case PCL_T_PUT_DMT: rc = SetSavebufNumber( data ); if( rc != ERR_NO_ERR ) { break; } rc = SaveAndResetFilePos( n1 ); if( rc == ERR_NO_ERR ) { if( tkn == PCL_T_PUT ) { rc = InsertSavebufAfter(); } else { rc = InsertSavebufBefore(); } RestoreCurrentFilePos(); } break; case PCL_T_YANK: rc = SetSavebufNumber( data ); if( rc != ERR_NO_ERR ) { break; } if( SelRgn.selected && !EditFlags.LineBased ) { rc = YankSelectedRegion(); // @ may have turned this on - it is now definitely off SelRgn.selected = false; } else { rc = YankLineRange( n1, n2 ); } break; case PCL_T_SUBSTITUTE: rc = Substitute( n1, n2, data ); break; case PCL_T_GLOBAL: case PCL_T_GLOBAL_DMT: if( !test1 ) { n1 = 1; rc = CFindLastLine( &n2 ); if( rc != ERR_NO_ERR ) { break; } } rc = Global( n1,n2, data, ( tkn == PCL_T_GLOBAL_DMT ) ); break; case PCL_T_WRITEQUIT: if( CurrentFile == NULL ) { rc = NextFile(); } else { CurrentFile->modified = true; data = GetNextWord1( data, st ); if( *st != '\0' ) { rc = SaveAndExit( st ); } else { rc = SaveAndExit( NULL ); } } break; case PCL_T_WRITE: case PCL_T_WRITE_DMT: data = GetNextWord1( data, st ); if( test1 ) { if( *st == '\0' ) { rc = ERR_NO_FILE_SPECIFIED; } else { rc = SaveFile( st, n1, n2, ( tkn == PCL_T_WRITE_DMT ) ); } } else { if( st[0] != '\0' ) { #ifdef __WIN__ if( st[0] == '?' && st[1] == '\0' ) { rc = SaveFileAs(); break; } else { rc = SaveFile( st, -1, -1, ( tkn == PCL_T_WRITE_DMT ) ); } #else rc = SaveFile( st, -1, -1, ( tkn == PCL_T_WRITE_DMT ) ); #endif } else { rc = SaveFile( NULL, -1, -1, ( tkn == PCL_T_WRITE_DMT ) ); if( rc == ERR_NO_ERR ) { Modified( false ); } } } break; case PCL_T_READ: rc = ReadAFile( n1, data ); break; case PCL_T_QUIT: #ifdef __WIN__ rc = CurFileExitOptionSaveChanges(); #else rc = NextFile(); #endif break; case PCL_T_QUIT_DMT: rc = NextFileDammit(); break; case PCL_T_DATE: GetDateTimeString( st ); Message1( st ); rc = DO_NOT_CLEAR_MESSAGE_WINDOW; break; case PCL_T_CD: data = GetNextWord1( data, st ); if( *st != '\0' ) { rc = SetCWD( st ); } else { rc = ERR_NO_ERR; } if( rc == ERR_NO_ERR ) { Message1( "Current directory is %s",CurrentDirectory ); } break; case PCL_T_SHELL: EVIL_SHELL: { #if defined( __NT__ ) && !defined( __WIN__ ) ExecCmd( NULL, NULL, NULL ); #else char foo[FILENAME_MAX]; strcpy( foo, Comspec ); ExecCmd( NULL, NULL, foo ); #endif DoVersion(); rc = ERR_NO_ERR; } break; case PCL_T_SYSTEM: if( n1f && n2f ) { rc = DoGenericFilter( n1, n2, data ); } else { data = SkipLeadingSpaces( data ); if( *data == '\0' ) { goto EVIL_SHELL; } ExecCmd( NULL, NULL, data ); rc = ERR_NO_ERR; } break; case PCL_T_RESIZE: rc = ResizeCurrentWindowWithKeys(); break; case PCL_T_TILE: data = GetNextWord1( data, st ); if( st[0] != '\0' ) { if( st[0] == 'v' ) { y = 1; for( x = 0, cinfo = InfoHead; cinfo != NULL; cinfo = cinfo->next ) { x++; } } else if( st[0] == 'h' ) { x = 1; for( y = 0, cinfo = InfoHead; cinfo != NULL; cinfo = cinfo->next ) { y++; } } else { x = atoi( st ); data = GetNextWord1( data, st ); if( *st == '\0' ) { break; } else { y = atoi( st ); } } } else { x = EditVars.MaxWindowTileX; y = EditVars.MaxWindowTileY; } if( x > 0 && y > 0) { rc = WindowTile( x, y ); } break; case PCL_T_CASCADE: rc = WindowCascade(); break; case PCL_T_MOVEWIN: rc = MoveCurrentWindowWithKeys(); break; case PCL_T_TAG: data = GetNextWord1( data, st ); if( *st != '\0' ) { rc = TagHunt( st ); } break; case PCL_T_FGREP: { bool ci; data = SkipLeadingSpaces( data ); ci = EditFlags.CaseIgnore; if( data[0] == '-' ) { if( data[1] == 'c' ) { ci = false; data += 2; data = SkipLeadingSpaces( data ); rc = GetStringWithPossibleQuote( &data, st ); } else if( data[1] == 'i' ) { ci = true; data += 2; data = SkipLeadingSpaces( data ); rc = GetStringWithPossibleQuote( &data, st ); } else if( data[1] == 'f' ) { data += 2; data = SkipLeadingSpaces( data ); #ifdef __WIN__ // call fancy grep window { fancy_find *ff; /* ff will be set to point at a static fancy find struct * in the snoop module */ char snoopbuf[FILENAME_MAX]; if( !GetSnoopStringDialog( &ff ) ) { return( ERR_NO_ERR ); } strcpy( snoopbuf, ff->path ); /* assume no string means current directory */ if( strlen( snoopbuf ) && snoopbuf[strlen( snoopbuf ) - 1] != '\\' ){ strcat( snoopbuf, "\\" ); } MySprintf( st, "%s", ff->find ); strcat( snoopbuf, ff->ext ); ci = ff->case_ignore; if( !ff->use_regexp ) { //MakeExpressionNonRegular( st ); rc = DoFGREP( snoopbuf, st, ci ); } else { rc = DoEGREP( snoopbuf, st ); } break; } #endif } } else { rc = GetStringWithPossibleQuote( &data, st ); } if( rc != ERR_NO_STRING ) { rc = DoFGREP( data, st, ci ); } } break; case PCL_T_EGREP: rc = GetStringWithPossibleQuote( &data, st ); if( rc != ERR_NO_STRING ) { rc = DoEGREP( data, st ); } break; case PCL_T_SIZE: data = GetNextWord1( data, st ); if( *st == '\0' ) { break; } x = atoi( st ); data = GetNextWord1( data, st ); if( *st == '\0' ) { break; } y = atoi( st ); data = GetNextWord1( data, st ); if( *st == '\0' ) { break; } x2 = atoi( st ); data = GetNextWord1( data, st ); if( *st == '\0' ) { break; } y2 = atoi( st ); rc = CurrentWindowResize( x, y, x2, y2 ); break; case PCL_T_ECHO: data = GetNextWord1( data, st ); if( *st == '\0' ) { break; } rc = ERR_NO_ERR; if( !stricmp( st, "on" ) ) { EditFlags.EchoOn = true; break; } else if( !stricmp( st, "off" ) ) { EditFlags.EchoOn = false; break; } x = atoi( st ); data = SkipLeadingSpaces( data ); /* * FIXME: This is not good - I will definately have to * fix this code up. But right now I have to get the * editor ready for tomorrow. Brad. */ if( data[0] == '"' || data[0] == '/' ) { GetStringWithPossibleQuote( &data, st ); if( x > 2 ) { /* this is obviously a sick individual */ Error( "Invalid Echo" ); } else if( x == 1 ) { Message1( st ); } else if( x == 2 ) { Message2( st ); } // DisplayLineInWindow( MessageWindow, x, st ); } else { if( x > 2 ) { /* this is obviously a sick individual */ Error( "Invalid Echo" ); } else if( x == 1 ) { Message1( data ); } else if( x == 2 ) { Message2( data ); } // DisplayLineInWindow( MessageWindow, x, data ); } break; #ifdef VI_RCS case PCL_T_CHECKOUT: rc = ERR_NO_ERR; #ifdef __WINDOWS__ if( isOS2() ) break; // OS/2 shell returns before checkout finishes #endif if( CurrentFile != NULL ) { rc = ViRCSCheckout( rc ); } break; case PCL_T_CHECKIN: if( CurrentFile != NULL ) { rc = ViRCSCheckin( rc ); } break; #endif default: if( tkn >= 1000 ) { rc = ProcessEx( n1, n2, n2f, tkn - 1000, data ); break; } rc = TryCompileableToken( tkn, data, true ); if( rc != NOT_COMPILEABLE_TOKEN ) { break; } rc = ProcessWindow( tkn, data ); if( rc >= ERR_NO_ERR ) { break; } case TOK_INVALID: if( n1f && !n2f ) { if( !n1 ) { n1 = 1; } MemorizeCurrentContext(); rc = GoToLineNoRelCurs( n1 ); if( rc == ERR_NO_ERR ) { GoToColumnOnCurrentLine( 1 ); if( EditFlags.LineDisplay ) { MyPrintf( "%s\n", CurrentLine->data ); } } return( rc ); } rc = ERR_INVALID_COMMAND; break; } if( rc == ERR_NO_ERR ) { rc = DO_NOT_CLEAR_MESSAGE_WINDOW; } return( rc ); } /* RunCommandLine */
int main() { { // test.yaml // - foo // - primes: [2, 3, 5, 7, 11] // odds: [1, 3, 5, 7, 9, 11] // - [x, y] // move-like semantics YAML::Value root = YAML::Parse("test.yaml"); std::cout << root[0].as<std::string>(); // "foo" std::cout << str(root[0]); // "foo", shorthand? std::cout << root[1]["primes"][3].as<int>(); // "7" std::cout << root[1]["odds"][6].as<int>(); // throws? root[2].push_back(5); root[3] = "Hello, World"; root[0].reset(); root[0]["key"] = "value"; std::cout << root; // # not sure about formatting // - {key: value} // - primes: [2, 3, 5, 7, 11] // odds: [1, 3, 5, 7, 9, 11] // - [x, y, 5] // - Hello, World } { // for all copy-like commands, think of python's "name/value" semantics YAML::Value root = "Hello"; // Hello root = YAML::Sequence(); // [] root[0] = 0; // [0] root[2] = "two"; // [0, ~, two] # forces root[1] to be initialized to null YAML::Value other = root; // both point to the same thing other[0] = 5; // now root[0] is 0 also other.push_back(root); // &1 [5, ~, two, *1] other[3][0] = 0; // &1 [0, ~, two, *1] # since it's a true alias other.push_back(Copy(root)); // &1 [0, ~, two, *1, &2 [0, ~, two, *2]] other[4][0] = 5; // &1 [0, ~, two, *1, &2 [5, ~, two, *2]] # they're // really different } { YAML::Value node; // ~ node[0] = 1; // [1] # auto-construct a sequence node["key"] = 5; // {0: 1, key: 5} # auto-turn it into a map node.push_back(10); // error, can't turn a map into a sequence node.erase("key"); // {0: 1} # still a map, even if we remove the key that // caused the problem node = "Hello"; // Hello # assignment overwrites everything, so it's now // just a plain scalar } { YAML::Value map; // ~ map[3] = 1; // {3: 1} # auto-constructs a map, *not* a sequence YAML::Value seq; // ~ seq = YAML::Sequence(); // [] seq[3] = 1; // [~, ~, ~, 1] } { YAML::Value node; // ~ node[0] = node; // &1 [*1] # fun stuff } { YAML::Value node; YAML::Value subnode = node["key"]; // 'subnode' is not instantiated ('node' is still null) subnode = "value"; // {key: value} # now it is YAML::Value subnode2 = node["key2"]; node["key3"] = subnode2; // subnode2 is still not instantiated, but // node["key3"] is "pseudo" aliased to it subnode2 = "monkey"; // {key: value, key2: &1 monkey, key3: *1} # bam! it // instantiates both } { YAML::Value seq = YAML::Sequence(); seq[0] = "zero"; // [zero] seq[1] = seq[0]; // [&1 zero, *1] seq[0] = seq[1]; // [&1 zero, *1] # no-op (they both alias the same thing, // so setting them equal is nothing) Is(seq[0], seq[1]); // true seq[1] = "one"; // [&1 one, *1] UnAlias(seq[1]); // [one, one] Is(seq[0], seq[1]); // false } { YAML::Value root; root.push_back("zero"); root.push_back("one"); root.push_back("two"); YAML::Value two = root[2]; root = "scalar"; // 'two' is still "two", even though 'root' is "scalar" // (the sequence effectively no longer exists) // Note: in all likelihood, the memory for nodes "zero" and "one" is still // allocated. How can it go away? Weak pointers? } { YAML::Value root; // ~ root[0] = root; // &1 [*1] root[0] = 5; // [5] } { YAML::Value root; YAML::Value key; key["key"] = "value"; root[key] = key; // &1 {key: value}: *1 } { YAML::Value root; root[0] = "hi"; root[1][0] = "bye"; root[1][1] = root; // &1 [hi, [bye, *1]] # root YAML::Value sub = root[1]; // &1 [bye, [hi, *1]] # sub root = "gone"; // [bye, gone] # sub } return 0; }