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Added preg_quote() function.

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This commit is contained in:
Andrey Hristov 1999-06-04 13:56:23 +00:00
parent c7a606c4a3
commit dbfeaabb16
2 changed files with 66 additions and 0 deletions
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65
ext/pcre/pcre.c
View File

@ -47,6 +47,7 @@ function_entry pcre_functions[] = {
PHP_FE(preg_match_all, third_arg_force_ref) PHP_FE(preg_match_all, third_arg_force_ref)
PHP_FE(preg_replace, NULL) PHP_FE(preg_replace, NULL)
PHP_FE(preg_split, NULL) PHP_FE(preg_split, NULL)
PHP_FE(preg_quote, NULL)
{NULL, NULL, NULL} {NULL, NULL, NULL}
}; };
@ -843,6 +844,70 @@ PHP_FUNCTION(preg_split)
/* }}} */ /* }}} */
/* {{{ proto string preg_quote(string str) */
PHP_FUNCTION(preg_quote)
{
zval *in_str_arg; /* Input string argument */
char *in_str, /* Input string */
*out_str, /* Output string with quoted characters */
*p, /* Iterator for input string */
*q, /* Iterator for output string */
c; /* Current character */
/* Get the arguments and check for errors */
if (ARG_COUNT(ht) != 1 || getParameters(ht, 1, &in_str_arg) == FAILURE) {
WRONG_PARAM_COUNT;
}
/* Make sure we're working with strings */
convert_to_string(in_str_arg);
in_str = in_str_arg->value.str.val;
/* Nothing to do if we got an empty string */
if (!*in_str) {
RETVAL_STRING(empty_string, 0);
}
/* Allocate enough memory so that even if each character
is quoted, we won't run out of room */
out_str = emalloc(2 * in_str_arg->value.str.len + 1);
/* Go through the string and quote necessary characters */
for(p = in_str, q = out_str; (c = *p); p++) {
switch(c) {
case '.':
case '\\':
case '+':
case '*':
case '?':
case '[':
case '^':
case ']':
case '$':
case '(':
case ')':
case '{':
case '}':
case '=':
case '!':
case '>':
case '<':
case '|':
case ':':
*q++ = '\\';
/* break is missing _intentionally_ */
default:
*q++ = c;
}
}
*q = '\0';
/* Reallocate string and return it */
RETVAL_STRING(erealloc(out_str, q - out_str + 1), 0);
}
/* }}} */
#endif /* HAVE_PCRE */ #endif /* HAVE_PCRE */
/* /*

1
ext/pcre/php_pcre.h
View File

@ -45,6 +45,7 @@ PHP_FUNCTION(preg_match);
PHP_FUNCTION(preg_match_all); PHP_FUNCTION(preg_match_all);
PHP_FUNCTION(preg_replace); PHP_FUNCTION(preg_replace);
PHP_FUNCTION(preg_split); PHP_FUNCTION(preg_split);
PHP_FUNCTION(preg_quote);
extern zend_module_entry pcre_module_entry; extern zend_module_entry pcre_module_entry;
#define pcre_module_ptr &pcre_module_entry #define pcre_module_ptr &pcre_module_entry