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#include "util.h"
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include "lua.h"
#include "net.h"
/*
simple function to parse key=value; strings which are common in http headers
values may be null, because these strings can often just be a key such as
content-type: multipart/form-data; boundary=awa
will set the table to
multipart/form-data = (null)
boundary = awa
*/
int gen_parse(char* inp, int len, parray_t** _table){
str* current = str_init(""), *last = NULL;
int state = 0;
parray_t* table = *_table;
for(int i = 0; i < len; i++){
if(state != 1 && inp[i] == ';'){
//if(last != NULL){
if(last == NULL) swap(str*, current, last);
parray_set(table, last->c, (void*)current);
str_free(last);
//}
last = NULL;
current = str_init("");
state = 0;
} else if(state != 1 && inp[i] == '='){
last = current;
current = str_init("");
if(i + 1 < len && inp[i+1] == '"'){
state = 1;
i++;
}
} else if(state == 1 && inp[i] == '"'){
state = 0;
} else if(current->c[0] != '\0' || inp[i] != ' ') str_pushl(current, inp + i, 1);
}
if(current->len > 0){
if(last == NULL) swap(str*, current, last);
parray_set(table, last->c, (void*)current);
str_free(last);
}
*_table = table;
return 1;
}
int tolower(int i){
if('A' <= i && i <= 'Z') i += 32;
return i;
}
void str_lowercase(str* str){
for(size_t i = 0; i != str->len; i++){
str->c[i] = tolower(str->c[i]);
}
}
char* strnstr(const char *s1, const char *s2, size_t n) {
// simplistic algorithm with O(n2) worst case, stolen from stack overflow
size_t i, len;
char c = *s2;
if(c == '\0')
return (char *)s1;
for(len = strlen(s2); len <= n; n--, s1++){
if(*s1 == c){
for(i = 1;; i++){
if(i == len) return (char *)s1;
if(s1[i] != s2[i]) break;
}
}
}
return NULL;
}
void _p_fatal(const char* m, int line, const char* file, const char* function){
fprintf(stderr, "%s[fatal] %s \n"
"\tthread: %zu\n"
"\tat: %s:%s(%i) %s\n",color_red, m, pthread_self(), file, function, line, color_reset);
exit(EXIT_FAILURE);
}
void p_error(const char* m){
fprintf(stderr, "%s[error]%s %s\n",color_red, color_reset, m);
}
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