htstring.h

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/* 
 *      HT Editor
 *      htstring.h
 *
 *      Copyright (C) 1999-2002 Stefan Weyergraf (stefan@weyergraf.de)
 *
 *      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 __HTSTRING_H__
#define __HTSTRING_H__

#include "global.h"
#include "config.h"
#include "htdata.h"

char *ht_strdup(const char *str);
char *ht_strndup(const char *str, int maxlen);
int ht_strncpy(char *s1, const char *s2, int 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);

int strcicomm(const char *s1, const char *s2);
int strccomm(const char *s1, const char *s2);
#define strend(s) ((s)+strlen(s))
int escape_special_str(char *result, int resultmaxlen, const char *s, const char *specialchars=0, bool bit7=true);
int escape_special(char *result, int resultmaxlen, const void *s, int len, const char *specialchars=0, 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);

/* common string parsing functions */

void whitespaces(char **str);
bool waitforchar(char **str, char b);

/* string evaluation functions */

bool bnstr(char **str, dword *v, int defaultbase);
bool bnstr(char **str, qword *q, int defaultbase);

/* 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);

char *mkhexb(char *buf, byte d);
char *mkhexw(char *buf, word d);
char *mkhexd(char *buf, dword d);
char *mkhexq(char *buf, qword q);

/*
 *      CLASS ht_data_string
 */

class ht_data_string: public Object {
public:
        char *value;

                        ht_data_string(const char *s = 0);
        virtual         ~ht_data_string();
/* overwritten */
        virtual int  load(ht_object_stream *f);
        virtual void store(ht_object_stream *f);
        virtual int     toString(char *s, int maxlen);
        virtual OBJECT_ID object_id() const;
};

/*
 *      CLASS ht_string_list
 */

class ht_string_list: public ht_clist {
public:
                        void init();
/* new */
                        char *get_string(UINT i);
                        void insert_string(char *s);
};

/*
 *      CLASS ht_sorted_string_list
 */

class ht_sorted_string_list: public ht_sorted_list {
public:
                        void init(int (*compare_keys_proc)(Object *key_a, Object *key_b));
/* new */
                        char *get_string(char *s);
                        void insert_string(char *s);
};

int compare_keys_string(Object *key_a, Object *key_b);
int icompare_keys_string(Object *key_a, Object *key_b);

/*
 *      INIT
 */

bool init_string();

/*
 *      DONE
 */

void done_string();

#endif /* !__HTSTRING_H__ */

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