webcit-ng

[citadel.git] / webcit-ng / text2html.c

diff --git a/webcit-ng/text2html.c b/webcit-ng/text2html.c
new file mode 100644 (file)
index 0000000..708d3e1
--- /dev/null
+++ b/webcit-ng/text2html.c
@@ -0,0 +1,122 @@
+/*
+ * Convert text/plain to text/html
+ *
+ * Copyright (c) 2017 by the citadel.org team
+ *
+ * This program is open source software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include "webcit.h"
+
+
+/*
+ * Convert a text/plain message to text/html
+ */
+StrBuf *text2html(const char *supplied_charset, int treat_as_wiki, char *roomname, long msgnum, StrBuf *Source)
+{
+       StrBuf *sj = NULL;
+
+       sj = NewStrBuf();
+       if (!sj) {
+               return(sj);
+       }
+
+       StrBufAppendPrintf(sj, "<pre>");
+       StrEscAppend(sj, Source, NULL, 0, 0);           // FIXME - add code here to activate links
+       StrBufAppendPrintf(sj, "</pre>\n");
+
+       return(sj);
+}
+
+
+/*
+ * Convert a text/x-citadel-variformat message to text/html
+ */
+StrBuf *variformat2html(StrBuf *Source)
+{
+       StrBuf *Target = NULL;
+
+       Target = NewStrBuf();
+       if (!Target) {
+               return(Target);
+       }
+
+       const char *ptr, *pte;
+       const char *BufPtr = NULL;
+       StrBuf *Line = NewStrBufPlain(NULL, SIZ);
+       StrBuf *Line1 = NewStrBufPlain(NULL, SIZ);
+       StrBuf *Line2 = NewStrBufPlain(NULL, SIZ);
+       int bn = 0;
+       int bq = 0;
+       int i;
+       long len;
+       int intext = 0;
+
+       if (StrLength(Source) > 0) 
+               do 
+               {
+                       StrBufSipLine(Line, Source, &BufPtr);
+                       bq = 0;
+                       i = 0;
+                       ptr = ChrPtr(Line);
+                       len = StrLength(Line);
+                       pte = ptr + len;
+
+                       if ((intext == 1) && (isspace(*ptr))) {
+                               StrBufAppendBufPlain(Target, HKEY("<br>"), 0);
+                       }
+                       intext = 1;
+                       if (isspace(*ptr)) {
+                               while ((ptr < pte) && ((*ptr == '>') || isspace(*ptr))) {
+                                       if (*ptr == '>') {
+                                               bq++;
+                                       }
+                                       ptr ++;
+                                       i++;
+                               }
+                       }
+
+                       /*
+                        * Quoted text should be displayed in italics and in a
+                        * different colour.  This code understands Citadel-style
+                        * " >" quotes and will convert to <BLOCKQUOTE> tags.
+                        */
+                       if (i > 0) StrBufCutLeft(Line, i);
+
+                       for (i = bn; i < bq; i++)                               
+                               StrBufAppendBufPlain(Target, HKEY("<blockquote>"), 0);
+                       for (i = bq; i < bn; i++)                               
+                               StrBufAppendBufPlain(Target, HKEY("</blockquote>"), 0);
+                       bn = bq;
+
+                       if (StrLength(Line) == 0)
+                               continue;
+
+                       /* Activate embedded URL's */
+                       UrlizeText(Line1, Line, Line2);
+
+                       StrEscAppend(Target, Line1, NULL, 0, 0);
+
+                       StrBufAppendBufPlain(Target, HKEY("\n"), 0);
+               }
+               while ((BufPtr != StrBufNOTNULL) &&
+                      (BufPtr != NULL));
+
+       for (i = 0; i < bn; i++) {
+               StrBufAppendBufPlain(Target, HKEY("</blockquote>"), 0);
+       }
+       StrBufAppendBufPlain(Target, HKEY("<br>\n"), 0);
+       FreeStrBuf(&Line);
+       FreeStrBuf(&Line1);
+       FreeStrBuf(&Line2);
+       return(Target);
+}
+
+
+