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#include "php_snuffleupagus.h"
int parse_keywords(sp_config_functions *funcs, char *line) {
int value_len = 0;
const char *original_line = line;
for (size_t i = 0; funcs[i].func; i++) {
if (!strncmp(funcs[i].token, line, strlen(funcs[i].token))) {
line += strlen(funcs[i].token);
value_len = funcs[i].func(line, funcs[i].token, funcs[i].retval) + 1;
if (value_len == 0) { // bad parameter
return -1;
}
line += value_len;
i = -1; // we start the loop again
}
}
while (*line == ';' || *line == '\t' || *line == ' ') {
line++;
}
if (*line == '#') {
return 0;
}
if (*line) {
sp_log_err("config", "Trailing chars '%s' at the end of '%s' on line %zu",
line, original_line, sp_line_no);
return -1;
}
return 0;
}
zend_string *get_param(size_t *consumed, char *restrict line, sp_type type,
const char *restrict keyword) {
enum { IN_ESCAPE, NONE } state = NONE;
char *original_line = line;
size_t j = 0;
zend_string *ret = NULL;
if (NULL == line || '\0' == *line) {
goto err;
}
ret = zend_string_alloc(strlen(line) + 1, 1);
/* The first char of a string is always '"', since they MUST be quoted. */
if ('"' == *line) {
line++;
} else {
goto err;
}
for (size_t i = 0; line[i] && j < strlen(original_line) - 2; i++) {
switch (line[i]) {
case '"':
/* A double quote at this point is either:
- at the very end of the string.
- escaped
*/
if ((state == NONE) && (line[i + 1] == SP_TOKEN_END_PARAM)) {
/* The `+2` if for
1. the terminal double-quote
2. the SP_TOKEN_END_PARAM
*/
*consumed = i + 2;
// Make sure that the string we return is the right size,
// as it can be smaller than strlen(line)
ret = zend_string_truncate(ret, j, 1);
// truncate does not add a \0
ZSTR_VAL(ret)[ZSTR_LEN(ret)] = 0;
return ret;
} else if (state == IN_ESCAPE) {
break; // we're on an escped double quote
} else {
goto err;
}
case '\\':
if (state == NONE) {
state = IN_ESCAPE;
continue;
}
default:
break;
}
if (state == IN_ESCAPE) {
state = NONE;
}
ZSTR_VAL(ret)[j++] = line[i];
}
err:
if (0 == j) {
sp_log_err("error", "A valid string as parameter is expected on line %zu",
sp_line_no);
} else {
sp_log_err("error",
"There is an issue with the parsing of '%s': it doesn't look "
"like a valid string on line %zu",
original_line ? original_line : "NULL", sp_line_no);
}
line = NULL;
return NULL;
}
zend_always_inline sp_list_node *parse_functions_list(char *value) {
static const char *sep = ">";
if (NULL == strchr(value, sep[0])) {
return NULL;
}
sp_list_node *list = NULL;
char *tmp = strdup(value);
char *function_name;
char *next_token = tmp;
while ((function_name = strtok_r(NULL, sep, &next_token))) {
list = sp_list_prepend(list, strdup(function_name));
}
free(tmp);
return list;
}
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