118 lines
3.2 KiB
C
118 lines
3.2 KiB
C
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/* vim: set sw=4 ts=4 sts=4 et: */
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#include "Efreet.h"
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#include "efreet_private.h"
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/**
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* @param full_uri: a valid uri string to parse
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* @return Return The corresponding Efreet_Uri structure. Or NULL on errors.
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* @brief Read a single uri and return an Efreet_Uri struct. If there's no
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* hostname in the uri then the hostname parameter will be NULL. All the uri
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* escaped chars will be converted to normal.
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*/
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EAPI Efreet_Uri *
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efreet_uri_decode(const char *full_uri)
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{
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Efreet_Uri *uri;
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const char *p;
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char protocol[64], hostname[_POSIX_HOST_NAME_MAX], path[PATH_MAX];
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int i = 0;
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/* An uri should be in the form <protocol>://<hostname>/<path> */
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if (!strstr(full_uri, "://")) return NULL;
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memset(protocol, 0, 64);
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memset(hostname, 0, _POSIX_HOST_NAME_MAX);
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memset(path, 0, PATH_MAX);
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/* parse protocol */
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p = full_uri;
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for (i = 0; *p != ':' && *p != '\0' && i < 64; p++, i++)
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protocol[i] = *p;
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protocol[i] = '\0';
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/* parse hostname */
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p += 3;
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if (*p != '/')
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{
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for (i = 0; *p != '/' && *p != '\0' && i < _POSIX_HOST_NAME_MAX; p++, i++)
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hostname[i] = *p;
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hostname[i] = '\0';
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}
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else
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hostname[0] = '\0';
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/* parse path */
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/* See http://www.faqs.org/rfcs/rfc1738.html for the escaped chars */
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for (i = 0; *p != '\0' && i < PATH_MAX; i++, p++)
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{
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if (*p == '%')
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{
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path[i] = *(++p);
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path[i + 1] = *(++p);
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path[i] = (char)strtol(&(path[i]), NULL, 16);
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path[i + 1] = '\0';
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}
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else
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path[i] = *p;
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}
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uri = NEW(Efreet_Uri, 1);
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if (!uri) return NULL;
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uri->protocol = ecore_string_instance(protocol);
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uri->hostname = ecore_string_instance(hostname);
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uri->path = ecore_string_instance(path);
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return uri;
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}
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/**
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* @param uri: Create an URI string from an Efreet_Uri struct
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* @return The string rapresentation of uri (ex: 'file:///home/my%20name')
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* @brief Get the string rapresentation of the given uri struct escaping
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* illegal caracters. Remember to free the string with ecore_string_release()
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* when you don't need it anymore.
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* @note The resulting string will contain the protocol and the path but not
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* the hostname, as many apps doesn't handle it.
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*/
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EAPI const char *
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efreet_uri_encode(Efreet_Uri *uri)
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{
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char dest[PATH_MAX * 3 + 4];
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const char *p;
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int i;
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if (!uri || !uri->path || !uri->protocol) return NULL;
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memset(dest, 0, PATH_MAX * 3 + 4);
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snprintf(dest, strlen(uri->protocol) + 4, "%s://", uri->protocol);
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/* Most app doesn't handle the hostname in the uri so it's put to NULL */
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for (i = strlen(uri->protocol) + 3, p = uri->path; *p != '\0'; p++, i++)
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{
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if (isalnum(*p) || strchr("/$-_.+!*'()", *p))
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dest[i] = *p;
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else
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{
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snprintf(&(dest[i]), 4, "%%%02X", *p);
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i += 2;
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}
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}
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return ecore_string_instance(dest);
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}
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/**
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* @param uri: The uri to free
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* @brief Free the given uri structure.
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*/
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EAPI void
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efreet_uri_free(Efreet_Uri *uri)
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{
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if (!uri) return;
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IF_RELEASE(uri->protocol);
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IF_RELEASE(uri->path);
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IF_RELEASE(uri->hostname);
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FREE(uri);
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}
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