/* Utility functions for dealing with URLs */

#ifndef URLLIB_H_
#define URLLIB_H_

#include "dial_data.h"
#include <stddef.h>

/**
 * Concatenate a maxim of max_chars characters from src into dest,
 * and return a pointer to the last character in dest.
 */
char* smartstrcat(char* dest, char* src, size_t max_chars);

int urldecode(char *dst, const char *src, size_t max_size);

void xmlencode(char *dst, const char *src, size_t max_size);

/**
 * Parse the value of the parameter with the given name from a query string.
 */
char *parse_param(char *query_string, char *param_name);

/*
 * Parse the application name out of a URI, such as /app/YouTube/dial_data.
 * Note: this parser assumes that the dial_data url is of the form
 * /apps/<app_name>/dial_data. If your DIAL server uses a different url-path,
 * you will need to adapt the method below.
 */
char *parse_app_name(const char *uri);

/*
 * Parse a list of DIALData params out of a query string.
 */
DIALData *parse_params(char * query_string);

#endif  // URLLIB_H_