X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fstrings%2Fregex.h;h=ed53009f920cf6b341d1891dbcc6d89ab3229aa6;hb=99b9121e2158603372c7313400283b622e6754d8;hp=8226c44ae057c2b17bb63adf8198c1686015525b;hpb=967785734be5c3fc6f75da122c2d93ebbb338271;p=libs%2Fcore.git

diff --git a/source/strings/regex.h b/source/strings/regex.h
index 8226c44..ed53009 100644
--- a/source/strings/regex.h
+++ b/source/strings/regex.h
@@ -1,11 +1,23 @@
 #ifndef MSP_STRINGS_REGEX_H_
 #define MSP_STRINGS_REGEX_H_
 
+#include <stdexcept>
 #include <string>
 #include "regmatch.h"
 
 namespace Msp {
 
+class bad_regex: public std::logic_error
+{
+public:
+	bad_regex(const std::string &, const std::string &, const std::string::const_iterator &);
+	virtual ~bad_regex() throw() = default;
+
+private:
+	std::string make_where(const std::string &, const std::string::const_iterator &);
+};
+
+
 /**
 This class provides regular expression matching.  It supports a subset of
 POSIX.2 extended regex syntax.  Character classes, equivalence classes and
@@ -61,7 +73,7 @@ The MATCH_ANY instruction consumes the input character and always succeeds.
 class Regex
 {
 private:
-	typedef std::string Code;
+	typedef std::basic_string<unsigned char> Code;
 	typedef unsigned short Count;
 	typedef short Offset;
 	typedef unsigned short Index;
@@ -91,11 +103,11 @@ private:
 	struct RunContext
 	{
 		Code::const_iterator citer;
-		RegMatch::GroupArray groups;
+		std::vector<RegMatch::Group> groups;
 	};
 
 	Code code;
-	unsigned n_groups;
+	unsigned n_groups = 0;
 
 public:
 	/** Constructs a new Regex object from a string representation. */
@@ -108,7 +120,7 @@ private:
 
 	Code parse_atom(const std::string &, std::string::const_iterator &i, unsigned &);
 	Code parse_brackets(const std::string &, std::string::const_iterator &);
-	bool parse_repeat(std::string::const_iterator &, Count &, Count &);
+	bool parse_repeat(const std::string &, std::string::const_iterator &, Count &, Count &);
 
 public:
 	/** Matches the regex against a string.  Refer to RegMatch documentation for
@@ -116,7 +128,7 @@ public:
 	RegMatch match(const std::string &str) const;
 
 private:
-	bool run(const std::string &, const std::string::const_iterator &, RegMatch::GroupArray &) const;
+	bool run(const std::string &, const std::string::const_iterator &, std::vector<RegMatch::Group> &) const;
 	bool group_compare(const RegMatch::Group &, const RegMatch::Group &) const;
 
 public: