X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fregex.cpp;h=9ba089d09008c7fd1c23a9d700051984eab11362;hp=48fe4a7c3422fb027c40481d1f7d39b8fc7010d3;hb=cc69674bf670178a8076f2ce9740c2e60c4644c9;hpb=47df471884234130a2a27f0a5fc842df3f994a3e

diff --git a/source/regex.cpp b/source/regex.cpp
index 48fe4a7..9ba089d 100644
--- a/source/regex.cpp
+++ b/source/regex.cpp
@@ -4,7 +4,9 @@ This file is part of libmspstrings
 Copyright © 2007 Mikko Rasa
 Distributed under the LGPL
 */
+
 #include <stack>
+#include <limits>
 #include <msp/core/except.h>
 #include "formatter.h"
 #include "regex.h"
@@ -84,11 +86,21 @@ Regex::Code Regex::compile(const string &expr, string::const_iterator &iter, uns
 	bool has_branches=false;
 	unsigned level=0;
 	bool escape=false;
+	unsigned bracket=0;
 	string::const_iterator end;
 	for(end=iter; end!=expr.end(); ++end)
 	{
 		if(escape)
 			escape=false;
+		else if(bracket)
+		{
+			if(bracket==3 && *end==']')
+				bracket=0;
+			else if(bracket==1 && *end=='^')
+				bracket=2;
+			else
+				bracket=3;
+		}
 		else if(*end=='\\')
 			escape=true;
 		else if(*end=='(')
@@ -104,13 +116,15 @@ Regex::Code Regex::compile(const string &expr, string::const_iterator &iter, uns
 			}
 			--level;
 		}
-		else if(*end=='|')
+		else if(*end=='|' && level==0)
 		{
 			if(branch)
 				break;
-			else if(level==0)
+			else
 				has_branches=true;
 		}
+		else if(*end=='[')
+			bracket=1;
 	}
 
 	if(level>0)
@@ -306,11 +320,11 @@ Regex::Code Regex::parse_brackets(const string &str, string::const_iterator &ite
 	}
 
 	string::const_iterator end=iter;
-	for(; (end!=str.end() && (end==iter || *end!=']')); ++end);
+	for(; (end!=str.end() && (end==iter || *end!=']')); ++end) ;
 	if(end==str.end())
 		throw InvalidParameterValue("Unmatched '['");
 
-	uint8_t mask[32]={0};
+	unsigned char mask[32]={0};
 	unsigned type=0;
 	bool range=false;
 	unsigned char first=0, last=0;
@@ -454,11 +468,13 @@ bool Regex::run(const string &str, const string::const_iterator &begin, RegMatch
 					}
 					else if(instr==MATCH_MASK)
 					{
-						uint8_t mask[32];
-						for(unsigned k=0; k<32; ++k)
-							mask[k]=*j->citer++;
-						match_result=mask[c>>3]&(1<<(c&7));
-						input_consumed=true;
+						if(c>=0 && c<=0xFF)
+						{
+							unsigned char m=*(j->citer+(c>>3));
+							match_result=m&(1<<(c&7));
+							input_consumed=true;
+							j->citer+=32;
+						}
 					}
 					else if(instr==MATCH_ANY)
 					{