diff options
Diffstat (limited to 'src/common')
| -rw-r--r-- | src/common/url.c | 226 | ||||
| -rw-r--r-- | src/common/url.h | 3 |
2 files changed, 162 insertions, 67 deletions
diff --git a/src/common/url.c b/src/common/url.c index 6c429ed8..351aeb03 100644 --- a/src/common/url.c +++ b/src/common/url.c @@ -35,6 +35,7 @@ GTree *url_btree = NULL; static int do_an_re (const char *word, int *start, int *end, int *type); static GRegex *re_url (void); static GRegex *re_host (void); +static GRegex *re_host6 (void); static GRegex *re_email (void); static GRegex *re_nick (void); static GRegex *re_channel (void); @@ -222,6 +223,7 @@ url_check_word (const char *word) /* Fall through */ case WORD_URL: case WORD_HOST: + case WORD_HOST6: case WORD_CHANNEL: case WORD_PATH: return lasttype; @@ -306,7 +308,7 @@ url_last (int *lstart, int *lend) } static int -do_an_re(const char *word,int *start, int *end, int *type) +do_an_re(const char *word, int *start, int *end, int *type) { typedef struct func_s { GRegex *(*fn)(void); @@ -314,9 +316,10 @@ do_an_re(const char *word,int *start, int *end, int *type) } func_t; func_t funcs[] = { - { re_email, WORD_EMAIL }, { re_url, WORD_URL }, + { re_email, WORD_EMAIL }, { re_channel, WORD_CHANNEL }, + { re_host6, WORD_HOST6 }, { re_host, WORD_HOST }, { re_path, WORD_PATH }, { re_nick, WORD_NICK } @@ -349,17 +352,23 @@ do_an_re(const char *word,int *start, int *end, int *type) /* Miscellaneous description --- */ #define DOMAIN "[a-z0-9][-a-z0-9]*(\\.[-a-z0-9]+)*\\." #define TLD "[a-z][-a-z0-9]*[a-z]" -#define IPADDR "[0-9]+(\\.[0-9]+){3}" -#define HOST "(" DOMAIN TLD "|" IPADDR ")" -#define OPT_PORT "(:[1-9][0-9]{0,4})?" +#define IPADDR "[0-9]{1,3}(\\.[0-9]{1,3}){3}" +#define IPV6GROUP "([0-9a-f]{0,4})" +#define IPV6ADDR "((" IPV6GROUP "(:" IPV6GROUP "){7})" \ + "|(" IPV6GROUP "(:" IPV6GROUP ")*:(:" IPV6GROUP ")+))" /* with :: compression */ +#define HOST "(" DOMAIN TLD "|" IPADDR "|" IPV6ADDR ")" +/* In urls the IPv6 must be enclosed in square brackets */ +#define HOST_URL "(" DOMAIN TLD "|" IPADDR "|" "\\[" IPV6ADDR "\\]" ")" +#define PORT "(:[1-9][0-9]{0,4})" +#define OPT_PORT "(" PORT ")?" GRegex * -make_re(char *grist, char *type) +make_re (char *grist) { GRegex *ret; GError *err = NULL; - ret = g_regex_new (grist, G_REGEX_CASELESS + G_REGEX_OPTIMIZE, 0, &err); + ret = g_regex_new (grist, G_REGEX_CASELESS | G_REGEX_OPTIMIZE, 0, &err); g_free (grist); return ret; } @@ -375,78 +384,163 @@ re_host (void) if (host_ret) return host_ret; grist = g_strdup_printf ( - "(" /* HOST */ - HOST OPT_PORT + "(" + "(" HOST_URL PORT ")|(" HOST ")" ")" ); - host_ret = make_re (grist, "re_host"); + host_ret = make_re (grist); return host_ret; } +static GRegex * +re_host6 (void) +{ + static GRegex *host6_ret; + char *grist; + + if (host6_ret) return host6_ret; + + grist = g_strdup_printf ( + "(" + "(" IPV6ADDR ")|(" "\\[" IPV6ADDR "\\]" PORT ")" + ")" + ); + + host6_ret = make_re (grist); + + return host6_ret; +} + /* URL description --- */ #define SCHEME "(%s)" #define LPAR "\\(" #define RPAR "\\)" #define NOPARENS "[^() \t]*" +#define PATH \ + "(" \ + "(" LPAR NOPARENS RPAR ")" \ + "|" \ + "(" NOPARENS ")" \ + ")*" /* Zero or more occurrences of either of these */ \ + "(?<![.,?!\\]])" /* Not allowed to end with these */ +#define USERINFO "([-a-z0-9._~%]+(:[-a-z0-9._~%]*)?@)" + +/* Flags used to describe URIs (RFC 3986) + * + * Bellow is an example of what the flags match. + * + * URI_AUTHORITY - http://example.org:80/foo/bar + * ^^^^^^^^^^^^^^^^ + * URI_USERINFO/URI_OPT_USERINFO - http://user@example.org:80/foo/bar + * ^^^^^ + * URI_PATH - http://example.org:80/foo/bar + * ^^^^^^^^ + */ +#define URI_AUTHORITY (1 << 0) +#define URI_OPT_USERINFO (1 << 1) +#define URI_USERINFO (1 << 2) +#define URI_PATH (1 << 3) -char *prefix[] = { - "irc\\.", - "ftp\\.", - "www\\.", - "irc://", - "ircs://", - "ftp://", - "http://", - "https://", - "file://", - "rtsp://", - NULL +struct +{ + const char *scheme; /* scheme name. e.g. http */ + const char *path_sep; /* string that begins the path */ + int flags; /* see above (flag macros) */ +} uri[] = { + { "irc", "/", URI_PATH }, + { "ircs", "/", URI_PATH }, + { "rtsp", "/", URI_AUTHORITY | URI_PATH }, + { "feed", "/", URI_AUTHORITY | URI_PATH }, + { "teamspeak", "?", URI_AUTHORITY | URI_PATH }, + { "ftp", "/", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "sftp", "/", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "ftps", "/", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "http", "/", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "https", "/", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "cvs", "/", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "svn", "/", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "git", "/", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "bzr", "/", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "rsync", "/", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "mumble", "/", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "ventrilo", "/", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "xmpp", "/", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "h323", ";", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "imap", "/", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "pop", "/", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "nfs", "/", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "smb", "/", URI_AUTHORITY | URI_OPT_USERINFO | URI_PATH }, + { "ssh", "", URI_AUTHORITY | URI_OPT_USERINFO }, + { "sip", "", URI_AUTHORITY | URI_USERINFO }, + { "sips", "", URI_AUTHORITY | URI_USERINFO }, + { "magnet", "?", URI_PATH }, + { "mailto", "", URI_PATH }, + { "bitcoin", "", URI_PATH }, + { "gtalk", "", URI_PATH }, + { "steam", "", URI_PATH }, + { "file", "/", URI_PATH }, + { "callto", "", URI_PATH }, + { "skype", "", URI_PATH }, + { "geo", "", URI_PATH }, + { NULL, "", 0} }; static GRegex * re_url (void) { - static GRegex *url_ret; + static GRegex *url_ret = NULL; + GString *grist_gstr; char *grist; - char *scheme; + int i; if (url_ret) return url_ret; - scheme = g_strjoinv ("|", prefix); - grist = g_strdup_printf ( - "(" /* URL or HOST */ - "(" - SCHEME HOST OPT_PORT - "(" /* Optional "/path?query_string#fragment_id" */ - "/" /* Must start with slash */ - "(" - "(" LPAR NOPARENS RPAR ")" - "|" - "(" NOPARENS ")" - ")*" /* Zero or more occurrences of either of these */ - "(?<![.,?!\\]])" /* Not allowed to end with these */ - ")?" /* Zero or one of this /path?query_string#fragment_id thing */ - ")|(" - HOST OPT_PORT "/" - "(" /* Optional "path?query_string#fragment_id" */ - "(" - "(" LPAR NOPARENS RPAR ")" - "|" - "(" NOPARENS ")" - ")*" /* Zero or more occurrences of either of these */ - "(?<![.,?!\\]])" /* Not allowed to end with these */ - ")?" /* Zero or one of this /path?query_string#fragment_id thing */ - ")" - ")" - , scheme - ); - url_ret = make_re (grist, "re_url"); - g_free (scheme); + grist_gstr = g_string_new (NULL); + + /* Add regex "host/path", representing a "schemeless" url */ + g_string_append (grist_gstr, "(" HOST_URL OPT_PORT "/" "(" PATH ")?" ")"); + + for (i = 0; uri[i].scheme; i++) + { + g_string_append (grist_gstr, "|("); + g_string_append_printf (grist_gstr, "%s:", uri[i].scheme); + + if (uri[i].flags & URI_AUTHORITY) + g_string_append (grist_gstr, "//"); + + if (uri[i].flags & URI_USERINFO) + g_string_append (grist_gstr, USERINFO); + else if (uri[i].flags & URI_OPT_USERINFO) + g_string_append (grist_gstr, USERINFO "?"); + + if (uri[i].flags & URI_AUTHORITY) + g_string_append (grist_gstr, HOST_URL OPT_PORT); + + if (uri[i].flags & URI_PATH) + { + char *sep_escaped; + + sep_escaped = g_regex_escape_string (uri[i].path_sep, + strlen(uri[i].path_sep)); + + g_string_append_printf(grist_gstr, "(" "%s" PATH ")?", + sep_escaped); + + g_free(sep_escaped); + } + + g_string_append(grist_gstr, ")"); + } + + grist = g_string_free (grist_gstr, FALSE); + + url_ret = make_re (grist); + return url_ret; } /* EMAIL description --- */ -#define EMAIL "[a-z][-_a-z0-9]+@" "(" HOST ")" +#define EMAIL "[a-z][-_a-z0-9]+@" "(" HOST_URL ")" static GRegex * re_email (void) @@ -457,11 +551,11 @@ re_email (void) if (email_ret) return email_ret; grist = g_strdup_printf ( - "(" /* EMAIL */ + "(" EMAIL ")" ); - email_ret = make_re (grist, "re_email"); + email_ret = make_re (grist); return email_ret; } @@ -493,11 +587,11 @@ re_nick (void) if (nick_ret) return nick_ret; grist = g_strdup_printf ( - "(" /* NICK */ + "(" NICK ")" ); - nick_ret = make_re (grist, "re_nick"); + nick_ret = make_re (grist); return nick_ret; } @@ -513,21 +607,21 @@ re_channel (void) if (channel_ret) return channel_ret; grist = g_strdup_printf ( - "(" /* CHANNEL */ + "(" CHANNEL ")" ); - channel_ret = make_re (grist, "re_channel"); + channel_ret = make_re (grist); return channel_ret; } /* PATH description --- */ #ifdef WIN32 /* Windows path can be .\ ..\ or C: D: etc */ -#define PATH "^(\\.{1,2}\\\\|[a-z]:).*" +#define FS_PATH "^(\\.{1,2}\\\\|[a-z]:).*" #else /* Linux path can be / or ./ or ../ etc */ -#define PATH "^(/|\\./|\\.\\./).*" +#define FS_PATH "^(/|\\./|\\.\\./).*" #endif static GRegex * @@ -539,10 +633,10 @@ re_path (void) if (path_ret) return path_ret; grist = g_strdup_printf ( - "(" /* PATH */ - PATH + "(" + FS_PATH ")" ); - path_ret = make_re (grist, "re_path"); + path_ret = make_re (grist); return path_ret; } diff --git a/src/common/url.h b/src/common/url.h index 96d9f946..2085c73e 100644 --- a/src/common/url.h +++ b/src/common/url.h @@ -26,7 +26,8 @@ extern void *url_tree; #define WORD_NICK 2 #define WORD_CHANNEL 3 #define WORD_HOST 4 -#define WORD_EMAIL 5 +#define WORD_HOST6 5 +#define WORD_EMAIL 6 /* anything >0 will be displayed as a link by gtk_xtext_motion_notify() */ #define WORD_DIALOG -1 #define WORD_PATH -2 |