-
-/*
- * Look for URL's embedded in a buffer and make them linkable. We use a
- * target window in order to keep the Citadel session in its own window.
- */
-void UrlizeText(StrBuf* Target, StrBuf *Source, StrBuf *WrkBuf)
-{
- int len, UrlLen, Offset, TrailerLen;
- const char *start, *end, *pos;
-
- FlushStrBuf(Target);
-
- start = NULL;
- len = StrLength(Source);
- end = ChrPtr(Source) + len;
- for (pos = ChrPtr(Source); (pos < end) && (start == NULL); ++pos) {
- if (!strncasecmp(pos, "http://", 7))
- start = pos;
- if (!strncasecmp(pos, "ftp://", 6))
- start = pos;
- }
-
- if (start == NULL) {
- StrBufAppendBuf(Target, Source, 0);
- return;
- }
- FlushStrBuf(WrkBuf);
-
- for (pos = ChrPtr(Source) + len; pos > start; --pos) {
- if ( (!isprint(*pos))
- || (isspace(*pos))
- || (*pos == '{')
- || (*pos == '}')
- || (*pos == '|')
- || (*pos == '\\')
- || (*pos == '^')
- || (*pos == '[')
- || (*pos == ']')
- || (*pos == '`')
- || (*pos == '<')
- || (*pos == '>')
- || (*pos == '(')
- || (*pos == ')')
- ) {
- end = pos;
- }
- }
-
- UrlLen = end - start;
- StrBufAppendBufPlain(WrkBuf, start, UrlLen, 0);
-
- Offset = start - ChrPtr(Source);
- if (Offset != 0)
- StrBufAppendBufPlain(Target, ChrPtr(Source), Offset, 0);
- StrBufAppendPrintf(Target, "%ca href=%c%s%c TARGET=%c%s%c%c%s%c/A%c",
- LB, QU, ChrPtr(WrkBuf), QU, QU, TARGET,
- QU, RB, ChrPtr(WrkBuf), LB, RB);
-
- TrailerLen = len - (end - start);
- if (TrailerLen > 0)
- StrBufAppendBufPlain(Target, end, TrailerLen, 0);
-}
-void url(char *buf, size_t bufsize)
-{
- int len, UrlLen, Offset, TrailerLen, outpos;
- char *start, *end, *pos;
- char urlbuf[SIZ];
- char outbuf[SIZ];
-
- start = NULL;
- len = strlen(buf);
- if (len > bufsize) {
- lprintf(1, "URL: content longer than buffer!");
- return;
- }
- end = buf + len;
- for (pos = buf; (pos < end) && (start == NULL); ++pos) {
- if (!strncasecmp(pos, "http://", 7))
- start = pos;
- if (!strncasecmp(pos, "ftp://", 6))
- start = pos;
- }
-
- if (start == NULL)
- return;
-
- for (pos = buf+len; pos > start; --pos) {
- if ( (!isprint(*pos))
- || (isspace(*pos))
- || (*pos == '{')
- || (*pos == '}')
- || (*pos == '|')
- || (*pos == '\\')
- || (*pos == '^')
- || (*pos == '[')
- || (*pos == ']')
- || (*pos == '`')
- || (*pos == '<')
- || (*pos == '>')
- || (*pos == '(')
- || (*pos == ')')
- ) {
- end = pos;
- }
- }
-
- UrlLen = end - start;
- if (UrlLen > sizeof(urlbuf)){
- lprintf(1, "URL: content longer than buffer!");
- return;
- }
- memcpy(urlbuf, start, UrlLen);
- urlbuf[UrlLen] = '\0';
-
- Offset = start - buf;
- if ((Offset != 0) && (Offset < sizeof(outbuf)))
- memcpy(outbuf, buf, Offset);
- outpos = snprintf(&outbuf[Offset], sizeof(outbuf) - Offset,
- "%ca href=%c%s%c TARGET=%c%s%c%c%s%c/A%c",
- LB, QU, urlbuf, QU, QU, TARGET, QU, RB, urlbuf, LB, RB);
- if (outpos >= sizeof(outbuf) - Offset) {
- lprintf(1, "URL: content longer than buffer!");
- return;
- }
-
- TrailerLen = len - (end - start);
- if (TrailerLen > 0)
- memcpy(outbuf + Offset + outpos, end, TrailerLen);
- if (Offset + outpos + TrailerLen > bufsize) {
- lprintf(1, "URL: content longer than buffer!");
- return;
- }
- memcpy (buf, outbuf, Offset + outpos + TrailerLen);
- *(buf + Offset + outpos + TrailerLen) = '\0';
-}
-
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