* strings.c: String related functions
*****************************************************************************
* Copyright (C) 2006 the VideoLAN team
+ * Copyright (C) 2008-2009 Rémi Denis-Courmont
* $Id$
*
* Authors: Antoine Cellerier <dionoea at videolan dot org>
|| ( strchr( "-._~", c ) != NULL );
}
-/**
- * Encodes an URI component (RFC3986 §2).
- *
- * @param psz_uri nul-terminated UTF-8 representation of the component.
- * Obviously, you can't pass an URI containing a nul character, but you don't
- * want to do that, do you?
- *
- * @return encoded string (must be free()'d), or NULL for ENOMEM.
- */
-char *encode_URI_component( const char *psz_uri )
+static char *encode_URI_bytes (const char *psz_uri, size_t len)
{
- char *psz_enc = malloc ((3 * strlen (psz_uri)) + 1), *out = psz_enc;
-
+ char *psz_enc = malloc (3 * len + 1), *out = psz_enc;
if (psz_enc == NULL)
return NULL;
- while (*psz_uri)
+ for (size_t i = 0; i < len; i++)
{
static const char hex[16] = "0123456789ABCDEF";
uint8_t c = *psz_uri;
return out ? out : psz_enc; /* realloc() can fail (safe) */
}
+/**
+ * Encodes an URI component (RFC3986 §2).
+ *
+ * @param psz_uri nul-terminated UTF-8 representation of the component.
+ * Obviously, you can't pass an URI containing a nul character, but you don't
+ * want to do that, do you?
+ *
+ * @return encoded string (must be free()'d), or NULL for ENOMEM.
+ */
+char *encode_URI_component( const char *psz_uri )
+{
+ return encode_URI_bytes (psz_uri, strlen (psz_uri));
+}
+
+
static const struct xml_entity_s
{
char psz_entity[8];
str++;
}
}
+
+#include <vlc_url.h>
+
+/**
+ * Convert a file path to an URI. If already an URI, do nothing.
+ */
+char *make_URI (const char *path)
+{
+ if (path == NULL)
+ return NULL;
+ if (strstr (path, "://") != NULL)
+ return strdup (path); /* Already an URI */
+ /* Note: VLC cannot handle URI schemes without double slash after the
+ * scheme name (such as mailto: or news:). */
+
+ char *buf;
+#ifdef WIN32
+ if (isalpha (path[0]) && (path[1] == ':'))
+ {
+ if (asprintf (&buf, "file:///%c:", path[0]) == -1)
+ buf = NULL;
+ path += 2;
+ }
+ else
+#endif
+#if 0
+ /* Windows UNC paths (file://host/share/path instead of file:///path) */
+ if (!strncmp (path, "\\\\", 2))
+ {
+ path += 2;
+ buf = strdup ("file://");
+ }
+ else
+#endif
+ if (path[0] != DIR_SEP_CHAR)
+ { /* Relative path: prepend the current working directory */
+ char cwd[PATH_MAX];
+
+ if (getcwd (cwd, sizeof (cwd)) == NULL) /* FIXME: UTF8? */
+ return NULL;
+ if (asprintf (&buf, "%s/%s", cwd, path) == -1)
+ return NULL;
+ char *ret = make_URI (buf);
+ free (buf);
+ return ret;
+ }
+ else
+ buf = strdup ("file://");
+ if (buf == NULL)
+ return NULL;
+
+ assert (path[0] == DIR_SEP_CHAR);
+
+ /* Absolute file path */
+ for (const char *ptr = path + 1;; ptr++)
+ {
+ size_t len = strcspn (ptr, DIR_SEP);
+ char *component = encode_URI_bytes (ptr, len);
+ if (component == NULL)
+ {
+ free (buf);
+ return NULL;
+ }
+ char *uri;
+ int val = asprintf (&uri, "%s/%s", buf, component);
+ free (component);
+ free (buf);
+ if (val == -1)
+ return NULL;
+ buf = uri;
+ ptr += len;
+ if (*ptr == '\0')
+ return buf;
+ }
+}