Subversion Repositories wimsdev

/*    Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis

 *

 *  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., 675 Mass Ave, Cambridge, MA 02139, USA.

 */

/* WWW multipurpose server, dynamic library definitions */

/* errors.c */

void (*error1) (char *msg);

void (*error2) (char *msg);

void (*error3) (char *msg);

/* lines.c */

char *int2str(int i);

void *xmalloc(size_t n);

int msleep(int ms);        /* millisecond sleeper */

void _tolinux(char *p);    /* dos/mac to unix/linux translation */

void mystrncpy(char *dest, const char *src, size_t lim); /* optimized and secured strncpy */

/* find matching parenthesis.

 * The entrance point should be after the opening parenthesis.

 * Returns NULL if unmatched<

 */

char *find_matching(char *p, char c);

char *find_word_start(char *p); /* Strips leading spaces */

char *find_word_end(char *p);   /* Points to the end of the word */

char *strparchr(char *p, char c); /* search for char, skipping parentheses */

char *strparstr(char *p, char *fnd); /* search for string, skipping parentheses */

char *find_item_end(char *p);   /* Points to the end of an item */

char *find_line_end(char *p);   /* Points to the end of a line */

char *charchr(char *p,char *w);

char *wordchr(char *p, char *w); /* Find first occurrence of word */

char *itemchr(char *p, char *w); /* Find first occurrence of item */

char *linechr(char *p, char *w); /* Find first occurrence of line */

char *varchr(char *p, char *v);  /* Find first occurrence of math variable */

int cutitems(char *p, char *list[], int max);    /* Cut items of a string */

int cutwords(char *p, char *list[], int max);    /* Cut words of a string */

int cutlines(char *p, char *list[], int max);    /* Cut lines of a string */

int cutchars(char *p, char *list[], int max);    /* Cut chars of a string */

char *strip_trailing_spaces(char *p);   /* strip trailing spaces; return string end. */

/* Verify whether a list is well-ordered. For debugging uses.

 * Returns 0 if order is OK, -1 otherwise.

 */

int verify_order(void *list, int items, size_t item_size);

/* searches a list. Returns index if found, -1 if nomatch.

 * Uses binary search, list must be sorted.

 */

int search_list(void *list, int items, size_t item_size, const char *str);

unsigned int linenum(char *p);      /* Returns number of lines in string p */

unsigned int itemnum(char *p);      /* Returns number of items in the list p, comma separated */

unsigned int wordnum(char *p);      /* Returns number of words in string p */

unsigned int charnum(char *p);      /* This is just to suppress an annoying compiler warning message. */

char *fnd_line(char *p, int n, char bf[]); /* find n-th line in string p */

char *fnd_item(char *p, int n, char bf[]); /* find n-th item in list p, comma separated */

char *fnd_word(char *p, int n, char bf[]); /* find n-th word in string p */

char *fnd_char(char *p, int n, char bf[]); /* find n-th char in string p */

char *fnd_row(char *p, int n, char bf[]); /* find n-th row in a matrix p */

/* Separate items in the string p, end each item with 0,

 * and store item pointers in parm[]. Does not parse past max.

 * Returns the number of fields.

 */

int separate_item(char *p, char *parm[], int max);

int separate_line(char *p, char *parm[], int max);

int separate_word(char *p, char *parm[], int max);

int _separator(char *p,char *parm[], int max, char fs);

int rows2lines(char *p);      /* Returns 1 if semicolons changed to new lines */

void lines2rows(char *p);

unsigned int rownum(char *p);

void words2items(char *p);   /* change words to items */

void words2lines(char *p);   /* change words to lines */

void lines2items(char *p);   /* change lines to items */

void lines2words(char *p);   /* change lines to words */

void items2words(char *p);   /* change items to words */

void items2lines(char *p);   /* change items to lines */

void strip_enclosing_par(char *p);   /* Strip enclosing pairs of parentheses */

/* strstr but may have embedde deros.

 * Returns memory end if not found.

 * Supposes memory ends with 0.

 */

char *memstr(char *s1, char *s2, int len);

/* Check whether parentheses are balanced in a given string.

 * Returns 0 if OK.

 */

/* style=0: simple check. style<>0: strong check. */

int check_parentheses(char *p, int style);

void nospace(char *p);      /* collapses all space characters in string. */

void singlespace(char *p);  /* change all spaces into ' ', and collapse multiple occurences */

void deaccent(char *p);     /* fold accented letters to unaccented */

void reaccent(char *p);     /* compose accented letters using symbols */

/* modify a string. Bufferlen must be at least MAX_LINELEN */

extern void (*string_modify)(char *start, char *bad_beg, char *bad_end, char *good,...);

long int filelength(char *fn,...);

int catfile(FILE *outf, char *fn,...);

char *fnd_position;

char *fnd_nextpos;

/* My accelerated definitions. */

#define myisdigit(x) (x>='0' && x<='9')

#define myisalpha(x) ((x&~32)>='A' && (x&~32)<='Z')

#define myisalnum(x) (myisalpha(x) || myisdigit(x))

#define myisupper(x) (x>='A' && x<='Z')

#define myislower(x) (x>='a' && x<='z')

#define myislspace(x) (x==' ' || x=='\t')

#define myisspace(x) (x==' ' || x=='\t' || x=='\n' || x=='\r')