From bedd2e7ccb1595c23e159eaa952ae1b0b5a3d2ad Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Sat, 15 Mar 2014 01:49:50 +0100
Subject: Lean and mean initial commit

Not much functionality yet
---
 fmt_ldapsearchfilterstring.c | 69 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 fmt_ldapsearchfilterstring.c

(limited to 'fmt_ldapsearchfilterstring.c')

diff --git a/fmt_ldapsearchfilterstring.c b/fmt_ldapsearchfilterstring.c
new file mode 100644
index 0000000..cd53ea3
--- /dev/null
+++ b/fmt_ldapsearchfilterstring.c
@@ -0,0 +1,69 @@
+#include "fmt.h"
+#include "byte.h"
+#include <str.h>
+#include "ldap.h"
+
+size_t fmt_ldapsearchfilterstring(char* dest,const struct Filter* f) {
+  size_t len;
+  len = fmt_str(dest,"(");
+  switch (f->type) {
+  case AND: case OR: case NOT:
+    if (dest) dest[len]="&|!"[f->type];
+    ++len;
+    len += fmt_ldapsearchfilterstring(dest?dest+len:0,f->x);
+    break;
+  case EQUAL: case GREATEQUAL: case LESSEQUAL: case APPROX:
+    if (dest) {
+      byte_copy(dest+len,f->ava.desc.l,f->ava.desc.s);
+      len += f->ava.desc.l;
+      if (f->type!=EQUAL) {
+	dest[len]="><~"[f->type-GREATEQUAL];
+	++len;
+      }
+      dest[len]='='; ++len;
+      byte_copy(dest+len,f->ava.value.l,f->ava.value.s);
+      len += f->ava.value.l;
+    } else
+      len += f->ava.desc.l + f->ava.value.l + 1 + (f->type>EQUAL);
+    break;
+  case SUBSTRING:
+    {
+      struct Substring* x=f->substrings;
+      while (x) {
+	if (dest) {
+	  byte_copy(dest+len,f->ava.desc.l,f->ava.desc.s);
+	  len += f->ava.desc.l;
+	  dest[len]='='; ++len;
+	  if (x->substrtype != prefix) {
+	    dest[len]='*'; ++len;
+	  }
+	  byte_copy(dest+len,x->s.l,x->s.s);
+	  len += x->s.l;
+	  if (x->substrtype != suffix) {
+	    dest[len]='*'; ++len;
+	  }
+	  if (x->next) {
+	    dest[len]=')';
+	    dest[len+1]='(';
+	    len+=2;
+	  }
+	} else
+	  len += f->ava.desc.l + 1 + x->s.l + 1 + (x->substrtype==any) + (x->next?2:0);
+	x=x->next;
+      }
+    }
+    break;
+  case PRESENT:
+    if (dest) {
+      byte_copy(dest+len,f->ava.desc.l,f->ava.desc.s);
+      dest[len+f->ava.desc.l]='=';
+      dest[len+f->ava.desc.l+1]='*';
+    }
+    len += f->ava.desc.l+2;
+    break;
+  default:
+    return -1;
+  }
+  if (dest) dest[len]=')';
+  return len+1;
+}
-- 
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