hello world

neo/tools/radiant/PARSE.CPP

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+/*
+===========================================================================
+
+Doom 3 GPL Source Code
+Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company. 
+
+This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).  
+
+Doom 3 Source Code is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Doom 3 Source Code is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Doom 3 Source Code.  If not, see <http://www.gnu.org/licenses/>.
+
+In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code.  If not, please request a copy in writing from id Software at the address below.
+
+If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
+
+===========================================================================
+*/
+
+#include "../../idlib/precompiled.h"
+#pragma hdrstop
+
+#include "qe3.h"
+
+char	token[MAXTOKEN];
+bool	unget;
+const char	*script_p;
+int		scriptline;
+
+void	StartTokenParsing (const char *data)
+{
+	scriptline = 1;
+	script_p = data;
+	unget = false;
+}
+
+bool WINAPI GetToken (bool crossline)
+{
+	char    *token_p;
+
+	if (unget)                         // is a token allready waiting?
+	{
+		unget = false;
+		return true;
+	}
+
+//
+// skip space
+//
+skipspace:
+	while (*script_p <= 32)
+	{
+		if (!*script_p)
+		{
+			if (!crossline)
+				common->Printf("Warning: Line %i is incomplete [01]\n",scriptline);
+			return false;
+		}
+		if (*script_p++ == '\n')
+		{
+			if (!crossline)
+				common->Printf("Warning: Line %i is incomplete [02]\n",scriptline);
+			scriptline++;
+		}
+	}
+
+	if (script_p[0] == '/' && script_p[1] == '/')	// comment field
+	{
+		if (!crossline)
+			common->Printf("Warning: Line %i is incomplete [03]\n",scriptline);
+		while (*script_p++ != '\n')
+			if (!*script_p)
+			{
+				if (!crossline)
+					common->Printf("Warning: Line %i is incomplete [04]\n",scriptline);
+				return false;
+			}
+		goto skipspace;
+	}
+
+//
+// copy token
+//
+	token_p = token;
+
+	if (*script_p == '"')
+	{
+		script_p++;
+    //if (*script_p == '"')   // handle double quotes i suspect they are put in by other editors cccasionally
+    //  script_p++;
+		while ( *script_p != '"' )
+		{
+			if (!*script_p)
+				Error ("EOF inside quoted token");
+			*token_p++ = *script_p++;
+			if (token_p == &token[MAXTOKEN])
+				Error ("Token too large on line %i",scriptline);
+		}
+		script_p++;
+    //if (*script_p == '"')   // handle double quotes i suspect they are put in by other editors cccasionally
+    //  script_p++;
+	}
+	else while ( *script_p > 32 )
+	{
+		*token_p++ = *script_p++;
+		if (token_p == &token[MAXTOKEN])
+			Error ("Token too large on line %i",scriptline);
+	}
+
+	*token_p = 0;
+	
+	return true;
+}
+
+void WINAPI UngetToken (void)
+{
+	unget = true;
+}
+
+
+/*
+==============
+TokenAvailable
+
+Returns true if there is another token on the line
+==============
+*/
+bool TokenAvailable (void)
+{
+	const char    *search_p;
+
+	search_p = script_p;
+
+	while ( *search_p <= 32)
+	{
+		if (*search_p == '\n')
+			return false;
+		if (*search_p == 0)
+			return false;
+		search_p++;
+	}
+
+	if (*search_p == ';')
+		return false;
+
+	return true;
+}
+