1 files changed, 97 insertions, 0 deletions
diff --git a/pjlib-util/include/pjlib-util/scanner_cis_bitwise.h b/pjlib-util/include/pjlib-util/scanner_cis_bitwise.h
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index 0000000..ef0c7ff
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+++ b/pjlib-util/include/pjlib-util/scanner_cis_bitwise.h
@@ -0,0 +1,97 @@
+/* $Id: scanner_cis_bitwise.h 3553 2011-05-05 06:14:19Z nanang $ */
+/* 
+ * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+ */
+#ifndef __PJLIB_UTIL_SCANNER_CIS_BIT_H__
+#define __PJLIB_UTIL_SCANNER_CIS_BIT_H__
+
+#include <pj/types.h>
+
+PJ_BEGIN_DECL
+
+/**
+ * This describes the type of individual character specification in
+ * #pj_cis_buf_t. Basicly the number of bits here
+ */
+#ifndef PJ_CIS_ELEM_TYPE
+#   define PJ_CIS_ELEM_TYPE pj_uint32_t
+#endif
+
+/**
+ * This describes the type of individual character specification in
+ * #pj_cis_buf_t.
+ */
+typedef PJ_CIS_ELEM_TYPE pj_cis_elem_t;
+
+/**
+ * Maximum number of input specification in a buffer.
+ * Effectively this means the number of bits in pj_cis_elem_t.
+ */
+#define PJ_CIS_MAX_INDEX   (sizeof(pj_cis_elem_t) << 3)
+
+/**
+ * The scanner input specification buffer.
+ */
+typedef struct pj_cis_buf_t
+{
+    pj_cis_elem_t    cis_buf[256];  /**< Must be 256 (not 128)! */
+    pj_cis_elem_t    use_mask;      /**< To keep used indexes.  */
+} pj_cis_buf_t;
+
+/**
+ * Character input specification.
+ */
+typedef struct pj_cis_t
+{
+    pj_cis_elem_t   *cis_buf;       /**< Pointer to buffer.     */
+    int              cis_id;        /**< Id.                    */
+} pj_cis_t;
+
+
+/**
+ * Set the membership of the specified character.
+ * Note that this is a macro, and arguments may be evaluated more than once.
+ *
+ * @param cis       Pointer to character input specification.
+ * @param c         The character.
+ */
+#define PJ_CIS_SET(cis,c)   ((cis)->cis_buf[(int)(c)] |= (1 << (cis)->cis_id))
+
+/**
+ * Remove the membership of the specified character.
+ * Note that this is a macro, and arguments may be evaluated more than once.
+ *
+ * @param cis       Pointer to character input specification.
+ * @param c         The character to be removed from the membership.
+ */
+#define PJ_CIS_CLR(cis,c)   ((cis)->cis_buf[(int)c] &= ~(1 << (cis)->cis_id))
+
+/**
+ * Check the membership of the specified character.
+ * Note that this is a macro, and arguments may be evaluated more than once.
+ *
+ * @param cis       Pointer to character input specification.
+ * @param c         The character.
+ */
+#define PJ_CIS_ISSET(cis,c) ((cis)->cis_buf[(int)c] & (1 << (cis)->cis_id))
+
+
+
+PJ_END_DECL
+
+#endif	/* __PJLIB_UTIL_SCANNER_CIS_BIT_H__ */