diff options
| -rw-r--r-- | handle.c | 73 |
1 files changed, 59 insertions, 14 deletions
diff --git a/handle.c b/handle.c index 988aeb2..58510a2 100644 --- a/handle.c +++ b/handle.c @@ -33,6 +33,7 @@ #include <stdlib.h> #include <string.h> #include <sysexits.h> +#include <wchar.h> #include "chat.h" @@ -601,23 +602,16 @@ static void handleReplyTopic(struct Message *msg) { ); } +static void swap(wchar_t *a, wchar_t *b) { + wchar_t x = *a; + *a = *b; + *b = x; +} + static void handleTopic(struct Message *msg) { require(msg, true, 2); uint id = idFor(msg->params[0]); - if (msg->params[1][0]) { - topicComplete(id, msg->params[1]); - urlScan(id, msg->nick, msg->params[1]); - uiFormat( - id, Warm, tagTime(msg), - "\3%02d%s\3\tplaces a new sign in \3%02d%s\3: %s", - hash(msg->user), msg->nick, hash(msg->params[0]), msg->params[0], - msg->params[1] - ); - logFormat( - id, tagTime(msg), "%s places a new sign in %s: %s", - msg->nick, msg->params[0], msg->params[1] - ); - } else { + if (!msg->params[1][0]) { topicComplete(id, NULL); uiFormat( id, Warm, tagTime(msg), @@ -628,7 +622,58 @@ static void handleTopic(struct Message *msg) { id, tagTime(msg), "%s removes the sign in %s", msg->nick, msg->params[0] ); + return; } + + char buf[1024]; + struct Cat cat = { buf, sizeof(buf), 0 }; + const char *prev = complete(id, "/topic "); + completeReject(); + if (prev) { + prev += 7; + } else { + goto plain; + } + + wchar_t old[512]; + wchar_t new[512]; + if (swprintf(old, ARRAY_LEN(old), L"%s", prev) < 0) goto plain; + if (swprintf(new, ARRAY_LEN(new), L"%s", msg->params[1]) < 0) goto plain; + + size_t pre; + for (pre = 0; old[pre] && new[pre] && old[pre] == new[pre]; ++pre); + wchar_t *osuf = &old[wcslen(old)]; + wchar_t *nsuf = &new[wcslen(new)]; + while (osuf > &old[pre] && nsuf > &new[pre] && osuf[-1] == nsuf[-1]) { + osuf--; + nsuf--; + } + + wchar_t nul = L'\0'; + swap(&new[pre], &nul); + catf(&cat, "%ls", new); + swap(&new[pre], &nul); + swap(osuf, &nul); + catf(&cat, "\399,%02d%ls", Brown, &old[pre]); + swap(osuf, &nul); + swap(nsuf, &nul); + catf(&cat, "\399,%02d%ls", Green, &new[pre]); + swap(nsuf, &nul); + catf(&cat, "\399,99%ls", nsuf); + +plain: + topicComplete(id, msg->params[1]); + urlScan(id, msg->nick, msg->params[1]); + uiFormat( + id, Warm, tagTime(msg), + "\3%02d%s\3\tplaces a new sign in \3%02d%s\3: %s", + hash(msg->user), msg->nick, hash(msg->params[0]), msg->params[0], + (cat.len ? cat.buf : msg->params[1]) + ); + logFormat( + id, tagTime(msg), "%s places a new sign in %s: %s", + msg->nick, msg->params[0], msg->params[1] + ); } static const char *UserModes[256] = { |