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‎.gitignore

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*.sdf
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*.suo
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*.user
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_UpgradeReport_Files/
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UpgradeLog*.XML
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Debug
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Release
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ipch

‎url.c

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/* -*- encoding: utf-8; -*- */
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/* -*- c-mode -*- */
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/* File-name: <url.c> */
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/* Author: <Xsoda> */
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/* Create: <Friday December 20 12:38:02 2013> */
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/* Time-stamp: <Friday December 20, 15:4:16 2013> */
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/* Mail: <[email protected]> */
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#include "url.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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static char *strndup(const char *str, int n)
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{
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char *dst;
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if (n < 0) n = strlen(str);
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if (n == 0) return NULL;
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if ((dst = (char *)malloc(n + 1)) == NULL)
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return NULL;
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memcpy(dst, str, n);
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dst[n] = 0;
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return dst;
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}
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url_field_t *url_parse (const char *str)
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{
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const char *pch;
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url_field_t *url;
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if ((url = (url_field_t *)malloc(sizeof(url_field_t))) == NULL)
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return NULL;
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memset(url, 0, sizeof(url_field_t));
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if (str && str[0])
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{
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url->href = strndup(str, -1);
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pch = strchr(str, ':'); /* parse schema */
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if (pch && pch[1] == '/' && pch[2] == '/')
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{
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url->schema = strndup(str, pch - str);
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str = pch + 3;
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}
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else
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goto __fail;
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pch = strchr(str, '@'); /* parse user info */
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if (pch)
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{
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pch = strchr(str, ':');
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if (pch)
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{
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url->username = strndup(str, pch - str);
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str = pch + 1;
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pch = strchr(str, '@');
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if (pch)
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{
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url->password = strndup(str, pch - str);
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str = pch + 1;
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}
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else
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goto __fail;
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}
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else
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goto __fail;
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}
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if (str[0] == '[') /* parse host info */
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{
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str++;
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pch = strchr(str, ']');
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if (pch)
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{
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url->host = strndup(str, pch - str);
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str = pch + 1;
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if (str[0] == ':')
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{
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str++;
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pch = strchr(str, '/');
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if (pch)
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{
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url->port = strndup(str, pch - str);
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str = pch + 1;
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}
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else
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{
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url->port = strndup(str, -1);
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str = str + strlen(str);
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}
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}
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}
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else
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goto __fail;
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}
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else
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{
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pch = strchr(str, ':');
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if (pch)
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{
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url->host = strndup(str, pch - str);
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str = pch + 1;
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pch = strchr(str, '/');
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if (pch)
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{
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url->port = strndup(str, pch - str);
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str = pch + 1;
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}
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else
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{
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url->port = strndup(str, -1);
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str = str + strlen(str);
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}
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}
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else
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{
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pch = strchr(str, '/');
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if (pch)
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{
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url->host = strndup(str, pch - str);
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str = pch + 1;
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}
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else
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{
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url->host = strndup(str, -1);
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str = str + strlen(str);
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}
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}
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}
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if (str[0]) /* parse path, parament and fragment */
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{
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pch = strchr(str, '?');
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if (pch)
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{
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url->path = strndup(str, pch - str);
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str = pch + 1;
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pch = strchr(str, '#');
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if (pch)
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{
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url->parament = strndup(str, pch - str);
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str = pch + 1;
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url->fragment = strndup(str, -1);
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}
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else
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{
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url->parament = strndup(str, -1);
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str = str + strlen(str);
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}
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}
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else
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{
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pch = strchr(str, '#');
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if (pch)
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{
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url->path = strndup(str, pch - str);
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str = pch + 1;
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url->fragment = strndup(str, -1);
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str = str + strlen(str);
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}
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else
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{
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url->path = strndup(str, -1);
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str = str + strlen(str);
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}
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}
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}
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}
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else
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{
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__fail:
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url_free(url);
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return NULL;
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}
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return url;
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}
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void url_free(url_field_t *url)
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{
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if (!url) return;
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if (url->href) free(url->href);
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if (url->schema) free(url->schema);
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if (url->username) free(url->username);
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if (url->password) free(url->password);
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if (url->host) free(url->host);
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if (url->port) free(url->port);
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if (url->path) free(url->path);
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if (url->parament) free(url->parament);
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if (url->fragment) free(url->fragment);
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free(url);
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}
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void url_field_print(url_field_t *url)
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{
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if (!url) return;
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fprintf(stdout, "\nuri field:\n");
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fprintf(stdout, " - href: '%s'\n", url->href);
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fprintf(stdout, " - schema: '%s'\n", url->schema);
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if (url->username)
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fprintf(stdout, " - username: '%s'\n", url->username);
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if (url->password)
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fprintf(stdout, " - password: '%s'\n", url->password);
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fprintf(stdout, " - host: '%s'\n", url->host);
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if (url->port)
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fprintf(stdout, " - port: '%s'\n", url->port);
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if (url->path)
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fprintf(stdout, " - path: '%s'\n", url->path);
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if (url->parament)
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fprintf(stdout, " - parament: '%s'\n", url->parament);
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if (url->fragment)
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fprintf(stdout, " - fragment: '%s'\n", url->fragment);
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}
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int main()
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{
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char *str[] = {
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"scheme://host",
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"http://[::1]:8080/index.html",
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"scheme://username:password@host",
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"scheme://host:port",
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"scheme://host:port/path?id=1&method=get#fragment",
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"scheme://host/path/to/subpath#fragment",
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"scheme://username:password@host/path?name=test#fragment",
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"scheme://username:password@host:port/path?name=test#fragment",
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NULL
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};
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for (int i = 0; str[i]; i++)
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{
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url_field_t *url = url_parse(str[i]);
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url_field_print(url);
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url_free(url);
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}
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return 0;
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}

‎url.h

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/* -*- encoding: utf-8; -*- */
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/* -*- c-mode -*- */
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/* File-name: <url.h> */
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/* Author: <Xsoda> */
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/* Create: <Friday December 20 12:47:08 2013> */
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/* Time-stamp: <Friday December 20, 14:29:56 2013> */
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/* Mail: <[email protected]> */
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#ifndef __URL_H__
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#define __URL_H__
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/*
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* parse url like this
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*
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* schema://username:password@host:port/path?key=value#fragment
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* \____/ \______/ \______/ \__/ \__/ \__/ \_______/ \______/
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* | | | | | | | |
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* schema | password | port | parament fragment
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* username host path
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*
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* note:
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* - username, password, port, path, query, fragment is optional.
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* - scheme, host must be setting.
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* - username and password must be paired.
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*
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*/
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typedef struct _url_field {
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char *href;
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char *schema;
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char *username;
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char *password;
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char *host;
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char *port;
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char *path;
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char *parament;
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char *fragment;
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} url_field_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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url_field_t *url_parse(const char *str);
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void url_free(url_field_t *url);
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void url_field_print(url_field_t *url);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !__URI_H__ */

‎url.sln

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 2012
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "url", "url.vcxproj", "{76D25320-2ACC-4A4F-A75C-4136DC3A8DFF}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Win32 = Debug|Win32
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Release|Win32 = Release|Win32
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{76D25320-2ACC-4A4F-A75C-4136DC3A8DFF}.Debug|Win32.ActiveCfg = Debug|Win32
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{76D25320-2ACC-4A4F-A75C-4136DC3A8DFF}.Debug|Win32.Build.0 = Debug|Win32
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{76D25320-2ACC-4A4F-A75C-4136DC3A8DFF}.Release|Win32.ActiveCfg = Release|Win32
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{76D25320-2ACC-4A4F-A75C-4136DC3A8DFF}.Release|Win32.Build.0 = Release|Win32
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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EndGlobal

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