util-vserver-0.30.208

[util-vserver.git] / lib_internal / filecfg-iteratemultiline.c

diff --git a/lib_internal/filecfg-iteratemultiline.c b/lib_internal/filecfg-iteratemultiline.c
new file mode 100644 (file)
index 0000000..84cc8a8
--- /dev/null
+++ b/lib_internal/filecfg-iteratemultiline.c
@@ -0,0 +1,56 @@
+// $Id: filecfg-iteratemultiline.c,v 1.2 2004/12/07 11:13:29 ensc Exp $    --*- c -*--
+
+// Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+//  
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; version 2 of the License.
+//  
+// 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.
+//  
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include "filecfg.h"
+#include <string.h>
+
+bool
+FileCfg_iterateOverMultiLine(char const *str,
+                            FileCfg_MultiLineHandler handler,
+                            void *data)
+{
+  char const   *ptr    = str;
+  size_t       line_nr = 1;
+  
+  while (*ptr!='\0') {
+    while (*ptr==' ' || *ptr=='\t') ++ptr;     // left-trim line
+    
+    char const *eol = strchr(ptr, '\n');
+    if (eol==0) eol=ptr+strlen(ptr);   // handle unterminated lines
+
+    if (*ptr!='#') {   // skip commented lines
+      size_t   len = eol-ptr;
+      while (len>0 && (ptr[len-1]==' ' || ptr[len-1]=='\t'))
+       --len;          // right-trim line
+
+       // handle only non-empty lines
+      if (len>0 && !(*handler)(data, ptr, len))
+       return false;   // some parsing-error occured...
+    }
+    
+    ++line_nr;
+    ptr = eol;
+    if (*ptr) ++ptr;
+  }
+
+  return true;
+}