From 14b463aa1899f0bd167d4c40b160b69c4c71deb5 Mon Sep 17 00:00:00 2001
From: hno <>
Date: Mon, 17 Jun 2002 02:05:53 +0000
Subject: [PATCH] Added some functions for accessing HTTP list header values

extern String httpHeaderGetListMember(const HttpHeader * hdr, http_hdr_type id, const char *member, const char separator);

extern String httpHeaderGetByNameListMember(const HttpHeader * hdr, const char *name, const char *member, const char separator);
---
 src/HttpHeader.cc | 59 ++++++++++++++++++++++++++++++++++++++++++++++-
 src/protos.h      |  4 +++-
 2 files changed, 61 insertions(+), 2 deletions(-)

diff --git a/src/HttpHeader.cc b/src/HttpHeader.cc
index 640ab52f3e..19fcf218dd 100644
--- a/src/HttpHeader.cc
+++ b/src/HttpHeader.cc
@@ -1,6 +1,6 @@
 
 /*
- * $Id: HttpHeader.cc,v 1.76 2002/06/16 19:48:04 hno Exp $
+ * $Id: HttpHeader.cc,v 1.77 2002/06/16 20:05:53 hno Exp $
  *
  * DEBUG: section 55    HTTP Header
  * AUTHOR: Alex Rousskov
@@ -661,6 +661,63 @@ httpHeaderGetByName(const HttpHeader * hdr, const char *name)
     return result;
 }
 
+/*
+ * returns a pointer to a specified entry if any 
+ * note that we return one entry so it does not make much sense to ask for
+ * "list" headers
+ */
+String
+httpHeaderGetByNameListMember(const HttpHeader * hdr, const char *name, const char *member, const char separator)
+{
+    String result = StringNull;
+    String header;
+    const char *pos = NULL;
+    const char *item;
+    int ilen;
+    int mlen = strlen(member);
+
+    assert(hdr);
+    assert(name);
+
+    header = httpHeaderGetByName(hdr, name);
+
+    while (strListGetItem(&header, separator, &item, &ilen, &pos)) {
+	if (strncmp(item, member, mlen) == 0 && item[mlen] == '=') {
+	    stringAppend(&result, item + mlen + 1, ilen - mlen - 1);
+	    break;
+	}
+    }
+    return result;
+}
+
+/*
+ * returns a the value of the specified list member, if any.
+ */
+String
+httpHeaderGetListMember(const HttpHeader * hdr, http_hdr_type id, const char *member, const char separator)
+{
+    String result = StringNull;
+    String header;
+    const char *pos = NULL;
+    const char *item;
+    int ilen;
+    int mlen = strlen(member);
+
+    assert(hdr);
+    assert(id >= 0);
+
+    header = httpHeaderGetStrOrList(hdr, id);
+
+    while (strListGetItem(&header, separator, &item, &ilen, &pos)) {
+	if (strncmp(item, member, mlen) == 0 && item[mlen] == '=') {
+	    stringAppend(&result, item + mlen + 1, ilen - mlen - 1);
+	    break;
+	}
+    }
+    stringClean(&header);
+    return result;
+}
+
 /* test if a field is present */
 int
 httpHeaderHas(const HttpHeader * hdr, http_hdr_type id)
diff --git a/src/protos.h b/src/protos.h
index 3156cecb23..0787751e80 100644
--- a/src/protos.h
+++ b/src/protos.h
@@ -1,6 +1,6 @@
 
 /*
- * $Id: protos.h,v 1.438 2002/06/16 17:46:26 hno Exp $
+ * $Id: protos.h,v 1.439 2002/06/16 20:05:53 hno Exp $
  *
  *
  * SQUID Web Proxy Cache          http://www.squid-cache.org/
@@ -453,6 +453,8 @@ extern const char *httpHeaderGetAuth(const HttpHeader * hdr, http_hdr_type id, c
 extern String httpHeaderGetList(const HttpHeader * hdr, http_hdr_type id);
 extern String httpHeaderGetStrOrList(const HttpHeader * hdr, http_hdr_type id);
 extern String httpHeaderGetByName(const HttpHeader * hdr, const char *name);
+extern String httpHeaderGetListMember(const HttpHeader * hdr, http_hdr_type id, const char *member, const char separator);
+extern String httpHeaderGetByNameListMember(const HttpHeader * hdr, const char *name, const char *member, const char separator);
 extern int httpHeaderDelByName(HttpHeader * hdr, const char *name);
 extern int httpHeaderDelById(HttpHeader * hdr, http_hdr_type id);
 extern void httpHeaderDelAt(HttpHeader * hdr, HttpHeaderPos pos);
-- 
2.47.3