From a99bbcafcacb3b34d19e2ccef4ee636dfbe883e1 Mon Sep 17 00:00:00 2001
From: Adam Dickmeiss <adam@indexdata.dk>
Date: Fri, 31 Jan 1997 11:16:00 +0000
Subject: [PATCH] Enhanced the egw_source command. An optional parameter
 specifies the name of a variable in which the HTML output
 is stored.

---
 www/wproto.c |   41 +++++++++++++++++++++++++++++++++++------
 www/wproto.h |    8 ++++++++
 www/wtcl.c   |   26 ++++++++++++++++++++------
 3 files changed, 63 insertions(+), 12 deletions(-)

diff --git a/www/wproto.c b/www/wproto.c
index eedbe74..992d800 100644
--- a/www/wproto.c
+++ b/www/wproto.c
@@ -41,6 +41,10 @@
  * USE OR PERFORMANCE OF THIS SOFTWARE.
  *
  * $Log: wproto.c,v $
+ * Revision 1.24  1997/01/31 11:16:00  adam
+ * Enhanced the egw_source command. An optional parameter specifies the
+ * name of a variable in which the HTML output is stored.
+ *
  * Revision 1.23  1997/01/27 11:27:14  adam
  * Implemented a new command, egw_clear, to clear http output cache.
  * Changed prototype for function wo_clear.
@@ -156,14 +160,17 @@ static void wproto_uncache(WCLIENT wc, int level);
 
 static char *mod = "wproto";
 
+void wo_expand (WCLIENT wc, size_t len)
+{
+    assert (wc->outbuffer);
+    wc->outbuffer = realloc(wc->outbuffer, wc->outbuffer_size +=
+          ((len >= OUTBUFFER_CHUNK) ? len*2 : OUTBUFFER_CHUNK));
+}
+
 void wo_write (WCLIENT wc, const char *s, size_t len)
 {
     if (wc->outbuffer_offset + len >= wc->outbuffer_size)
-    {
-        assert (wc->outbuffer);
-        wc->outbuffer = realloc(wc->outbuffer, wc->outbuffer_size +=
-		((len >= OUTBUFFER_CHUNK) ? len*2 : OUTBUFFER_CHUNK));
-    }
+        wo_expand (wc, len);
     memcpy(wc->outbuffer + wc->outbuffer_offset, s, len);
     wc->outbuffer_offset += len;
 }
@@ -231,7 +238,9 @@ int wo_flush(WCLIENT wc)
 int wo_overflow(WCLIENT wc, char ch)
 {
     gw_log (GW_LOG_DEBUG, mod, "wo_overflow");
-    if (wo_flush(wc) < 0)
+    if (wc->save_level)
+        wo_expand (wc, 0);
+    else if (wo_flush(wc) < 0)
     	return -1;
     return wo_putc(wc, ch);
 }
@@ -478,6 +487,7 @@ WCLIENT wproto_init (const char *fifoDir, const char *prog)
     newp->outbuffer_offset = 0;
     newp->cache_level = -1;
     newp->cache_fd = -1;
+    newp->save_level = 0;
     return newp;
 }
 
@@ -527,6 +537,25 @@ static int wproto_findcache(WCLIENT wc, char *name)
     return -1;
 }
 
+int wproto_save_push (WCLIENT wc)
+{
+    return wc->outbuffer_offset;
+    wc->save_level++;
+}
+
+char *wproto_save_pop (WCLIENT wc, int offset)
+{
+    char *cp;
+    if (!wc->save_level)
+        return NULL;
+    --(wc->save_level);
+    assert (offset <= wc->outbuffer_offset);
+    cp = wc->outbuffer + offset;
+    wc->outbuffer[wc->outbuffer_offset] = '\0';
+    wc->outbuffer_offset = offset;
+    return cp;
+}
+
 static int wproto_dumpcache(WCLIENT wc, int level)
 {
     int fd, rd;
diff --git a/www/wproto.h b/www/wproto.h
index deb3006..5fb5a8c 100644
--- a/www/wproto.h
+++ b/www/wproto.h
@@ -41,6 +41,10 @@
  * USE OR PERFORMANCE OF THIS SOFTWARE.
  *
  * $Log: wproto.h,v $
+ * Revision 1.14  1997/01/31 11:16:01  adam
+ * Enhanced the egw_source command. An optional parameter specifies the
+ * name of a variable in which the HTML output is stored.
+ *
  * Revision 1.13  1997/01/27 11:27:15  adam
  * Implemented a new command, egw_clear, to clear http output cache.
  * Changed prototype for function wo_clear.
@@ -146,6 +150,7 @@ typedef struct wclient_data
     int cache_fd;
     struct w_select_handle *select_list;
     const char *fifoDir;
+    int save_level;
 } *WCLIENT, wclient_data;
 
 #define wo_putc(wc, ch)   \
@@ -171,4 +176,7 @@ int wproto_cache (WCLIENT wc, int level);
 void wo_puts (WCLIENT wc, const char *s);
 void wo_write (WCLIENT wc, const char *s, size_t len);
 
+int wproto_save_push (WCLIENT wc);
+char *wproto_save_pop (WCLIENT wc, int offset);
+
 #endif
diff --git a/www/wtcl.c b/www/wtcl.c
index 8053f24..8772adc 100644
--- a/www/wtcl.c
+++ b/www/wtcl.c
@@ -41,6 +41,10 @@
  * USE OR PERFORMANCE OF THIS SOFTWARE.
  *
  * $Log: wtcl.c,v $
+ * Revision 1.20  1997/01/31 11:16:01  adam
+ * Enhanced the egw_source command. An optional parameter specifies the
+ * name of a variable in which the HTML output is stored.
+ *
  * Revision 1.19  1997/01/27 11:27:17  adam
  * Implemented a new command, egw_clear, to clear http output cache.
  * Changed prototype for function wo_clear.
@@ -384,22 +388,32 @@ static int proc_source (ClientData clientData, Tcl_Interp *interp,
                         int argc, char **argv)
 {
     struct tcl_info *p = (struct tcl_info*) clientData;
-    int r;
+    int r, offset = 0;
 
-    if (argc != 2)
+    if (argc < 2 || argc > 3)
     {
         Tcl_AppendResult (p->interp,
-                          "wrong # args: should be egw_source file", NULL);
+                          "wrong # args: should be egw_source file ?var?",
+                          NULL);
         return TCL_ERROR;
     }
+    if (argc == 3)
+        offset = wproto_save_push (p->wcl);
     r = exec_file (argv[1], p);
-    if (r == -2)
+    Tcl_ResetResult (p->interp);
+    if (argc == 3)
+    {
+        char *res = wproto_save_pop (p->wcl, offset);
+        if (res)
+            Tcl_SetVar (p->interp, argv[2], res, 0);
+    }
+    if (r == -1)
     {
-        Tcl_AppendResult (p->interp, "egw_source: couldn't source ",
+        Tcl_AppendResult (p->interp, "egw_source: couldn't open ",
 	                  argv[1], NULL);
         return TCL_ERROR;
     }
-    else if (r == -1)
+    else if (r == -2)
     {
         Tcl_AppendResult (p->interp, "egw_source: Tcl error in script ",
 	                  argv[1], NULL);
-- 
1.7.10.4