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86 lines
2.0 KiB
86 lines
2.0 KiB
/*
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* urlparse.c
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*
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* Created by Yigit Colakoglu on 07/06/2021.
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* Copyright yigit@yigitcolakoglu.com. 2021. All rights reserved.
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*/
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#include "urlparse.h"
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#include "linkedlist.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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URL *parseurl(char *url) {
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URL *urlp = urlalloc();
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urlp->params = NULL;
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short stage = 0; /* var to keep track of where we are in url */
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int counter = 0;
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while (*url != '\0' && *url != '\n') {
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switch (*url++) {
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case ':':
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if (stage == 0) {
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urlp->https = *(url - 2) == 's';
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if (*(url + 1) == '\0' || *url == '\0' || *url == '\n') /* weird stuff would happen with strings like "http:" */
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return NULL;
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url += 2; /* Skip the // after the :*/
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stage = 1;
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counter+=4;
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}
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break;
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case '?':
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if (stage == 1) {
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urlp->base =
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(char *)malloc(counter); /* +1 for the '\0' in the end */
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strncpy(urlp->base, url - counter, counter - 1);
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stage = 2;
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counter = 1;
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} else {
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return NULL;
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}
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break;
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case '=':
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if (stage == 2) {
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char *foo;
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foo = (char *)malloc(counter);
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strncpy(foo, url - counter, counter-1);
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counter = 1;
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if (urlp->params == NULL){
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urlp->params = linkedlistalloc();
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urlp->params->data = foo;
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}else
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urlp->params = linkedlistadd(urlp->params, foo);
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while(*url != '&' && *url != '\0' && *url != '\n')
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url++;
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url++;
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} else {
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return NULL;
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}
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break;
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default:
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counter++;
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break;
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}
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}
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switch(stage){
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case 0:
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return NULL;
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break;
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case 1:
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urlp->base = (char *)malloc(counter); /* +1 for the '\0' in the end */
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strncpy(urlp->base, url - (counter-1), counter - 1);
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break;
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case 2:
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break;
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default:
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return NULL;
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}
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return urlp;
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}
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URL *urlalloc(void) { return (URL *)malloc(sizeof(URL)); }
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