Move tikzit into "trunk" directory

git-svn-id: https://tikzit.svn.sourceforge.net/svnroot/tikzit/trunk@365 7c02a99a-9b00-45e3-bf44-6f3dd7fddb64

1 files changed, 101 insertions, 0 deletions

diff --git a/tikzit/src/common/tikzlexer.lm b/tikzit/src/common/tikzlexer.lm
new file mode 100644
index 0000000..4fe39d1
--- /dev/null
+++ b/tikzit/src/common/tikzlexer.lm
@@ -0,0 +1,101 @@
+%option nounput
+%{
+//
+//  tikzparser.l
+//  TikZiT
+//  
+//  Copyright 2010 Chris Heunen. All rights reserved.
+//  
+//  
+//  This file is part of TikZiT.
+//  
+//  TikZiT 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.
+//  
+//  TikZiT 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 TikZiT.  If not, see <http://www.gnu.org/licenses/>.
+//  
+
+#import <Foundation/Foundation.h>
+#ifdef __APPLE__
+#include "y.tab.h"
+#else
+#include "tikzparser.h"
+#endif
+
+
+%}
+%%
+\n                             /* ignore end of line */;
+[ \t]+                         /* ignore whitespace */;
+\\begin                        return LATEXBEGIN;
+\\end                          return LATEXEND;
+\{tikzpicture\}                return TIKZPICTURE;
+\{pgfonlayer\}                 return PGFONLAYER;
+\.center                       return ANCHORCENTER;
+\(                             return LEFTPARENTHESIS;
+\)                             return RIGHTPARENTHESIS;		       
+\[                             return LEFTBRACKET;
+\]                             return RIGHTBRACKET;
+;                              return SEMICOLON;
+,                              return COMMA;
+=                              return EQUALS;
+\\draw                         return DRAW;
+to                             return TO;
+\\node                         return NODE;
+\\path                         return PATH;
+node                           return ALTNODE;
+rectangle                      return RECTANGLE;
+at                             return AT;
+
+[0-9]+ {
+	yylval.nsstr=[NSString stringWithUTF8String:yytext];
+	return NATURALNUMBER;
+}
+
+(\-?[0-9]*\.[0-9]+)|(\-?[0-9]+) {
+	yylval.nsstr=[NSString stringWithUTF8String:yytext];
+	return REALNUMBER;
+}
+
+\\?[a-zA-Z<>\-\']+ { //'
+	yylval.nsstr=[NSString stringWithUTF8String:yytext];
+	return LWORD;
+}
+
+
+\"[^\"]*\" /* " */ {
+	yylval.nsstr=[NSString stringWithUTF8String:yytext];
+	return QUOTEDSTRING;
+}
+
+\{ {
+	NSMutableString *buf = [NSMutableString stringWithString:@"{"];
+	unsigned int brace_depth = 1;
+	while (1) {
+		char c = input();
+		// eof reached before closing brace
+		if (c == '\0' || c == EOF) yyterminate();
+		
+		[buf appendFormat:@"%c", c];
+		if (c == '{') brace_depth++;
+		else if (c == '}') {
+			brace_depth--;
+			if (brace_depth == 0) break;
+		}
+	}
+	
+	NSString *s = [buf copy];
+	[s autorelease];
+	yylval.nsstr = s;
+	return DELIMITEDSTRING;
+}
+
+%%