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-rw-r--r--camel/url-util.c284
1 files changed, 232 insertions, 52 deletions
diff --git a/camel/url-util.c b/camel/url-util.c
index d1ea09c6c9..45b5c0691d 100644
--- a/camel/url-util.c
+++ b/camel/url-util.c
@@ -31,20 +31,96 @@
Uniform Ressource Locators
Bertrand. */
+/*
+ XXX TODO: recover the words between #'s or ?'s after the path */
-#include <ctype.h> /* for isalpha */
-#include <stdlib.h> /* for atoi */
-
#include "url-util.h"
+typedef gboolean find_item_func(GString *url, GString **item, guint *position, gboolean *error);
+
+typedef struct {
+ char *item_name;
+ GString **item_value;
+ find_item_func *find_func;
+} FindStepStruct;
+
+static gboolean find_protocol(GString *url, GString **item, guint *position, gboolean *error);
+static gboolean find_user(GString *url, GString **item, guint *position, gboolean *error);
+static gboolean find_passwd(GString *url, GString **item, guint *position, gboolean *error);
+static gboolean find_host(GString *url, GString **item, guint *position, gboolean *error);
+static gboolean find_port(GString *url, GString **item, guint *position, gboolean *error);
+static gboolean find_path(GString *url, GString **item, guint *position, gboolean *error);
+
+
+
+/**
+ * new_g_url: create an Gurl object from a string
+ * @url_string: The string containing the URL to scan
+ *
+ * This routine takes a GString and parses it as an
+ * URL of the form:
+ * protocol://user:password@host:port/path
+ * there is no test on the values. For example,
+ * "port" can be a string, not only a number !
+ * The Gurl structure fields ar filled with
+ * the scan results. When a member of the
+ * general URL can not be found, the corresponding
+ * Gurl member is NULL
+ *
+ * Return value: a Gurl structure containng the URL items.
+ **/
+Gurl *new_g_url(GString* url_string)
+{
+ Gurl *g_url;
+
+ GString *protocol;
+ GString *user;
+ GString *passwd;
+ GString *host;
+ GString *port;
+ GString *path;
+
+ guint position=0;
+ gboolean error;
+ gboolean found;
+ guint i;
+
+ g_url = g_new(Gurl,1);
+
+#define NB_STEP_URL 6
+ {
+ FindStepStruct step[NB_STEP_URL] = {
+ { "protocol", &(g_url->protocol), find_protocol},
+ { "user", &(g_url->user), find_user},
+ { "password", &(g_url->passwd), find_passwd},
+ { "host", &(g_url->host), find_host},
+ { "port", &(g_url->port), find_port},
+ { "path", &(g_url->path), find_path}
+ };
+
+ for (i=0; i<NB_STEP_URL; i++) {
+ found = step[i].find_func(url_string,
+ step[i].item_value,
+ &position,
+ &error);
+ }
+ }
+
+ return g_url;
+}
+
+
+
+/** So, yes, I must admit there would have been more elegant
+ ways to do this, but it works, and quite well :) */
static gboolean
-find_protocol(GString *url, GString **protocol, guint *position, gboolean *error)
+find_protocol(GString *url, GString **item, guint *position, gboolean *error)
{
guint i;
@@ -55,7 +131,7 @@ find_protocol(GString *url, GString **protocol, guint *position, gboolean *error
str_url = url->str;
len_url = url->len;
- *protocol = NULL;
+ *item = NULL;
*error = FALSE;
i=*position;
@@ -71,7 +147,7 @@ find_protocol(GString *url, GString **protocol, guint *position, gboolean *error
{
str_protocol = g_strndup(str_url, i-3);
- *protocol = g_string_new(str_protocol);
+ *item = g_string_new(str_protocol);
*position=i;
return TRUE;
}
@@ -83,7 +159,7 @@ find_protocol(GString *url, GString **protocol, guint *position, gboolean *error
static gboolean
-find_user(GString *url, GString **user, guint *position, gboolean *error)
+find_user(GString *url, GString **item, guint *position, gboolean *error)
{
guint i;
guint at_pos;
@@ -95,7 +171,7 @@ find_user(GString *url, GString **user, guint *position, gboolean *error)
str_url = url->str;
len_url = url->len;
- *user = NULL;
+ *item = NULL;
i=*position;
@@ -110,21 +186,21 @@ find_user(GString *url, GString **user, guint *position, gboolean *error)
while ( (i<at_pos) && (str_url[i] != ':') ) i++;
/* now if i has not been incremented at all, there is no user */
- if (i == *position) return FALSE;
+ if (i == *position) {
+ (*position)++;
+ return FALSE;
+ }
str_user = g_strndup(str_url+ *position, i - *position);
- *user = g_string_new(str_user);
+ *item = g_string_new(str_user);
if (i<at_pos) *position=i+1; /* there was a ':', skip it */
else *position=i;
- return TRUE;
-
-
-
+ return TRUE;
}
static gboolean
-find_passwd(GString *url, GString **passwd, guint *position, gboolean *error)
+find_passwd(GString *url, GString **item, guint *position, gboolean *error)
{
guint i;
@@ -135,7 +211,7 @@ find_passwd(GString *url, GString **passwd, guint *position, gboolean *error)
str_url = url->str;
len_url = url->len;
- *passwd = NULL;
+ *item = NULL;
i=*position;
@@ -150,24 +226,132 @@ find_passwd(GString *url, GString **passwd, guint *position, gboolean *error)
}
str_passwd = g_strndup(str_url+ *position, i - *position);
- *passwd = g_string_new(str_passwd);
+ *item = g_string_new(str_passwd);
*position=i+1; /* skip it the '@' */
return TRUE;
+}
+
+
+
+static gboolean
+find_host(GString *url, GString **item, guint *position, gboolean *error)
+{
+ guint i;
+ guint slash_pos;
+
+ gchar *str_url;
+ gint len_url;
+ gchar *str_host;
+
+ str_url = url->str;
+ len_url = url->len;
+
+ *item = NULL;
+ i=*position;
+
+
+ /* find a '/' */
+ while ((i<len_url) && (str_url[i] != '/')) i++;
+
+ slash_pos = i;
+ i = *position;
+
+ /* find a ':' */
+ while ( (i<slash_pos) && (str_url[i] != ':') ) i++;
+
+ /* at this point if i has not been incremented at all,
+ there is no host */
+ if (i == *position) {
+ (*position)++;
+ return FALSE;
+ }
+
+ str_host = g_strndup(str_url+ *position, i - *position);
+ *item = g_string_new(str_host);
+ if (i<slash_pos) *position=i+1; /* there was a ':', skip it */
+ else *position=i;
+
+ return TRUE;
+}
+
+static gboolean
+find_port(GString *url, GString **item, guint *position, gboolean *error)
+{
+ guint i;
+ guint slash_pos;
+
+ gchar *str_url;
+ gint len_url;
+ gchar *str_port;
+ str_url = url->str;
+ len_url = url->len;
+
+ *item = NULL;
+ i=*position;
+
+ /* find a '/' */
+ while ((i<len_url) && (str_url[i] != '/')) i++;
+
+ slash_pos = i;
+ i = *position;
+
+ /* find a ':' */
+ while ( (i<slash_pos) && (str_url[i] != ':') ) i++;
+
+ /* at this point if i has not been incremented at all,
+ there is no port */
+ if (i == *position) return FALSE;
+
+ str_port = g_strndup(str_url+ *position, i - *position);
+ *item = g_string_new(str_port);
+ *position = i;
+ return TRUE;
}
+static gboolean
+find_path(GString *url, GString **item, guint *position, gboolean *error)
+{
+ guint i;
+
+ gchar *str_url;
+ gint len_url;
+ gchar *str_path;
+
+ str_url = url->str;
+ len_url = url->len;
+
+ *item = NULL;
+ i=*position;
+
+
+ /* find a '#' */
+ while ((i<len_url) && (str_url[i] != '#') && (str_url[i] != '?')) i++;
+
+ /*i has not been incremented at all, there is no path */
+ if (i == *position) return FALSE;
+
+ str_path = g_strndup(str_url+ *position, i - *position);
+ *item = g_string_new(str_path);
+ *position=i;
+
+
+ return TRUE;
+}
/* to tests this file :
- gcc -o test_url_util `glib-config --cflags` -DTEST_URL_UTIL url-util.c `glib-config --libs
+ gcc -o test_url_util `glib-config --cflags` -DTEST_URL_UTIL url-util.c `glib-config --libs`
./test_url_util URL
*/
#ifdef TEST_URL_UTIL
+
+
int
main (int argc, char **argv)
{
@@ -176,47 +360,43 @@ main (int argc, char **argv)
GString *protocol;
GString *user;
GString *passwd;
+ GString *host;
+ GString *port;
+ GString *path;
guint position=0;
gboolean error;
gboolean found;
guint i;
-
+ guint i_pos;
+
+#define NB_STEP_TEST 6
+ FindStepStruct test_step[NB_STEP_TEST] = {
+ { "protocol", &protocol, find_protocol},
+ { "user", &user, find_user},
+ { "password", &passwd, find_passwd},
+ { "host", &host, find_host},
+ { "port", &port, find_port},
+ { "path", &path, find_path}
+ };
url = g_string_new(argv[1]);
printf("URL to test : %s\n\n", url->str);
-
- /* Try to find the protocol */
- found = find_protocol(url, &protocol, &position, &error);
- if (found) {
- printf("protocol found : %s\n", protocol->str);
- } else printf("protocol not found in URL\n\n");
- printf("posistion of the next item:\n");
- printf("%s\n", url->str);
- for(i=0; i<position; i++) printf(" ");
- printf("^\n");
+ for (i=0; i<NB_STEP_TEST; i++) {
+ found = test_step[i].find_func(url,
+ test_step[i].item_value,
+ &position,
+ &error);
+ if (found) {
+ printf("\t\t\t\t** %s found : %s\n",
+ test_step[i].item_name,
+ (*test_step[i].item_value)->str);
+ } else printf("** %s not found in URL\n", test_step[i].item_name);
+ printf("next item position:\n");
+ printf("%s\n", url->str);
+ for(i_pos=0; i_pos<position; i_pos++) printf(" ");
+ printf("^\n");
- /* Try to find the user name */
- found = find_user(url, &user, &position, &error);
- if (found) {
- printf("name found : %s\n", user->str);
- } else printf("user name not found in URL\n");
- printf("posistion of the next item:\n");
- printf("%s\n", url->str);
- for(i=0; i<position; i++) printf(" ");
- printf("^\n");
-
- /* Try to find the password */
- found = find_passwd(url, &passwd, &position, &error);
- if (found) {
- printf("passwd found : %s\n", passwd->str);
- printf("\n");
- } else printf("passwd not found in URL\n");
- printf("posistion of the next item:\n");
- printf("%s\n", url->str);
- for(i=0; i<position; i++) printf(" ");
- printf("^\n");
-
-
- return 0;
+ }
+
}
#endif /* TEST_URL_UTIL */
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