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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "yuri.h"
/*
* TODO: percent encode appropriate characters
*/
char *
uri_encode(struct uri *u)
{
int i;
char *ret;
char *dup;
char portbuf[6]; /* highest port number is 5 digits minus \0 */
size_t len;
len = 1; /* \0 */
ret = realloc(NULL, len);
if (ret == NULL)
return NULL;
ret[0] = '\0';
if (u->scheme) {
len += strlen(u->scheme)+1; /* scheme: */
dup = realloc(ret, len);
if (ret == NULL) {
free(ret);
return NULL;
}
ret = dup;
strlcat(ret, u->scheme, len);
strlcat(ret, ":", len);
}
if (u->authority.host) {
len += 2; /* // */
dup = realloc(ret, len);
if (dup == NULL) {
free(ret);
return NULL;
}
ret = dup;
strlcat(ret, "//", len);
if (u->authority.user) {
len += strlen(u->authority.user);
dup = realloc(ret, len);
if (dup == NULL) {
free(ret);
return NULL;
}
ret = dup;
strlcat(ret, u->authority.user, len);
}
len += strlen(u->authority.host);
dup = realloc(ret, len);
if (dup == NULL) {
free(ret);
return NULL;
}
ret = dup;
strlcat(ret, u->authority.host, len);
if (u->authority.port) {
memset(portbuf, 0, sizeof(portbuf));
/* snprintf is to be replaced in the future */
snprintf(portbuf, sizeof(portbuf), "%d", u->authority.port);
len += strlen(portbuf)+1; /* :port */
dup = realloc(ret, len);
if (dup == NULL) {
free(ret);
return NULL;
}
ret = dup;
strlcat(ret, ":", len);
strlcat(ret, portbuf, len);
}
}
if (u->npath != 0) {
for (i = 0; i < u->npath; i++) {
if (i != 0 || u->authority.host) {
len += 1; /* / */
dup = realloc(ret, len);
if (dup == NULL) {
free(ret);
return NULL;
}
ret = dup;
strlcat(ret, "/", len);
}
len += strlen(u->path[i]);
dup = realloc(ret, len);
if (dup == NULL) {
free(ret);
return NULL;
}
ret = dup;
strlcat(ret, u->path[i], len);
}
}
if (u->query) {
len += strlen(u->query)+1; /* ?query */
dup = realloc(ret, len);
if (dup == NULL) {
free(ret);
return NULL;
}
ret = dup;
strlcat(ret, "?", len);
strlcat(ret, u->query, len);
}
if (u->fragment) {
len += strlen(u->fragment)+1; /* #fragment */
dup = realloc(ret, len);
if (dup == NULL) {
free(ret);
return NULL;
}
ret = dup;
strlcat(ret, "#", len);
strlcat(ret, u->fragment, len);
}
return ret;
}
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