1 files changed, 65 insertions, 0 deletions
diff --git a/src/RESearch.h b/src/RESearch.h
new file mode 100755
index 0000000..aa85579
--- /dev/null
+++ b/src/RESearch.h
@@ -0,0 +1,65 @@
+// Scintilla source code edit control
+/** @file RESearch.h
+ ** Interface to the regular expression search library.
+ **/
+// Written by Neil Hodgson <neilh@scintilla.org>
+// Based on the work of Ozan S. Yigit.
+// This file is in the public domain.
+
+#ifndef RESEARCH_H
+#define RESEARCH_H
+
+/*
+ * The following defines are not meant to be changeable.
+ * They are for readability only.
+ */
+#define MAXCHR	256
+#define CHRBIT	8
+#define BITBLK	MAXCHR/CHRBIT
+
+class CharacterIndexer {
+public:
+	virtual char CharAt(int index)=0;
+	virtual ~CharacterIndexer() {
+	}
+};
+
+class RESearch {
+
+public:
+	RESearch(CharClassify *charClassTable);
+	~RESearch();
+	bool GrabMatches(CharacterIndexer &ci);
+	const char *Compile(const char *pat, int length, bool caseSensitive, bool posix);
+	int Execute(CharacterIndexer &ci, int lp, int endp);
+	int Substitute(CharacterIndexer &ci, char *src, char *dst);
+
+	enum {MAXTAG=10};
+	enum {MAXNFA=2048};
+	enum {NOTFOUND=-1};
+
+	int bopat[MAXTAG];
+	int eopat[MAXTAG];
+	char *pat[MAXTAG];
+
+private:
+	void Init();
+	void Clear();
+	void ChSet(char c);
+	void ChSetWithCase(char c, bool caseSensitive);
+
+	int PMatch(CharacterIndexer &ci, int lp, int endp, char *ap);
+
+	int bol;
+	int  tagstk[MAXTAG]; /* subpat tag stack */
+	char nfa[MAXNFA];    /* automaton */
+	int sta;
+	char bittab[BITBLK]; /* bit table for CCL pre-set bits */
+	int failure;
+	CharClassify *charClass;
+	bool iswordc(unsigned char x) {
+		return charClass->IsWord(x);
+	}
+};
+
+#endif