strtools.h

/* 
 *	HT Editor
 *	strtools.h
 *
 *	Copyright (C) 1999-2002 Stefan Weyergraf (stefan@weyergraf.de)
 *	Copyright (C) 1999-2003 Sebastian Biallas (sb@biallas.net)
 *
 *	This program is free software; you can redistribute it and/or modify
 *	it under the terms of the GNU General Public License version 2 as
 *	published by the Free Software Foundation.
 *
 *	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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __STRTOOLS_H__
#define __STRTOOLS_H__

#include "io/types.h"
#include "data.h"

#include <cstring>

char *ht_strdup(const char *str);
char *ht_strndup(const char *str, size_t maxlen);
size_t ht_strlcpy(char *s1, const char *s2, size_t maxlen);
size_t ht_strlcat(char *s1, const char *s2, size_t maxlen);
int ht_strncmp(const char *s1, const char *s2, size_t max);
int ht_strnicmp(const char *s1, const char *s2, size_t max);
int ht_stricmp(const char *s1, const char *s2);

size_t ht_strcicomm(const char *s1, const char *s2);
size_t ht_strccomm(const char *s1, const char *s2);

static inline char *ht_strend(char *s) 
{
	return s+strlen(s);
}
static inline const char *ht_strend(const char *s)
{
	return s+strlen(s);
}

int escape_special_str(char *result, int resultmaxlen, const char *s, const char *specialchars = NULL, bool bit7 = true);
int escape_special(char *result, int resultmaxlen, const void *s, int len, const char *specialchars = NULL, bool bit7 = true);
int unescape_special_str(char *result, int resultmaxlen, const char *s);
int unescape_special(void *result, int resultmaxlen, const char *s);
int bin2str(char *result, const void *s, int len);
void wide_char_to_multi_byte(char *result, const byte *unicode, int maxlen);

void memdowncase(byte *buf, int len);
byte *ht_memmem(const byte *haystack, int haystack_len, const byte *needle, int needle_len);

/* common string parsing functions */
bool is_whitespace(char c);
void non_whitespaces(const char *&str);
void whitespaces(const char *&str);
bool waitforchar(const char *&str, char b);

/* string evaluation functions */
bool parseIntStr(char *&str, uint64 &u64, int defaultbase);
bool parseIntStr(const char *&str, uint64 &u64, int defaultbase);
bool str2int(const char *str, uint64 &u64, int defaultbase = 10);

/* hex/string functions */
int hexdigit(char a);

bool hexb_ex(uint8 &result, const char *s);
bool hexw_ex(uint16 &result, const char *s);
bool hexd_ex(uint32 &result, const char *s);

/*
 *	ht_string_list
 */
class ht_string_list: public Array {
public:
	ht_string_list()
		: Array(true)
	{
	}

	/* new */
	const char *get_string(uint i)
	{
		return ((String *)get(findByIdx(i)))->contentChar();
	}

	void insert_string(const char *s)
	{
		insert(new String(s));
	}
};

#endif /* !__STRTOOLS_H__ */