X-Git-Url: http://git.indexdata.com/?p=yazpp-moved-to-github.git;a=blobdiff_plain;f=src%2Fyaz-ir-assoc.cpp;h=0978e060c521bd5f3f74f5e85ed53299b1e37d8d;hp=4217bcdb6b656ff3ecc19858260a59b02aae0dce;hb=d62e0baee8ee3cccced41746ef09fc3e01f401d5;hpb=c6e5ad789740135af3558298f6e2014ae99ee7dd

diff --git a/src/yaz-ir-assoc.cpp b/src/yaz-ir-assoc.cpp
index 4217bcd..0978e06 100644
--- a/src/yaz-ir-assoc.cpp
+++ b/src/yaz-ir-assoc.cpp
@@ -1,281 +1,233 @@
-/*
- * Copyright (c) 1998-1999, Index Data.
+/* This file is part of the yazpp toolkit.
+ * Copyright (C) Index Data and Mike Taylor
  * See the file LICENSE for details.
- * Sebastian Hammer, Adam Dickmeiss
- * 
- * $Log: yaz-ir-assoc.cpp,v $
- * Revision 1.5  1999-04-09 11:46:57  adam
- * Added object Yaz_Z_Assoc. Much more functional client.
- *
  */
 
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
 #include <assert.h>
 
-#include <log.h>
-#include <yaz-ir-assoc.h>
+#include <yaz/log.h>
+#include <yazpp/ir-assoc.h>
+#include <yaz/oid_db.h>
+
+using namespace yazpp_1;
 
-Yaz_IR_Assoc::Yaz_IR_Assoc(IYaz_PDU_Observable *the_PDU_Observable)
-    : Yaz_Z_Assoc(the_PDU_Observable)
+IR_Assoc::IR_Assoc(IPDU_Observable *the_PDU_Observable)
+    : Z_Assoc(the_PDU_Observable)
 {
     m_num_databaseNames = 0;
     m_databaseNames = 0;
-    m_preferredRecordSyntax = VAL_NONE;
+    m_preferredRecordSyntax = 0;
     m_elementSetNames = 0;
     m_lastReceived = 0;
     m_host = 0;
     m_proxy = 0;
-
+    m_cookie = 0;
+    m_log = YLOG_DEBUG;
     const char *db = "Default";
     set_databaseNames(1, &db);
 }
 
-Yaz_IR_Assoc::~Yaz_IR_Assoc()
+IR_Assoc::~IR_Assoc()
 {
+    xfree(m_preferredRecordSyntax);
     if (m_elementSetNames)
-	delete [] m_elementSetNames->u.generic;
-    delete m_elementSetNames;
+        delete [] m_elementSetNames->u.generic;
+    delete [] m_elementSetNames;
+    delete [] m_host;
+    delete [] m_proxy;
+    delete [] m_cookie;
 }
 
-void Yaz_IR_Assoc::get_databaseNames (int *num, char ***list)
+void IR_Assoc::get_databaseNames (int *num, char ***list)
 {
     *num = m_num_databaseNames;
     *list = m_databaseNames;
 }
 
-void Yaz_IR_Assoc::set_databaseNames (int num, const char **list)
+typedef char *charp;
+void IR_Assoc::set_databaseNames (int num, const char **list)
 {
     int i;
-    logf (LOG_LOG, "Yaz_IR_Assoc::set_databaseNames num=%d", num);
+    yaz_log (m_log, "IR_Assoc::set_databaseNames num=%d", num);
     for (i = 0; i<m_num_databaseNames; i++)
-	delete [] m_databaseNames[i];
+        delete [] m_databaseNames[i];
     delete [] m_databaseNames;
     m_num_databaseNames = num;
-    m_databaseNames = new (char*) [num];
+
+    m_databaseNames = new char *[num];
     for (i = 0; i<m_num_databaseNames; i++)
     {
-	m_databaseNames[i] = new char[strlen(list[i])+1];
-	strcpy(m_databaseNames[i], list[i]);
+        m_databaseNames[i] = new char[strlen(list[i])+1];
+        strcpy(m_databaseNames[i], list[i]);
     }
 }
 
-void Yaz_IR_Assoc::set_databaseNames(const char *dblist, const char *sep)
+void IR_Assoc::set_databaseNames(const char *dblist, const char *sep)
 {
-    const char **list = new (const char*) [strlen(dblist)];
+    const char **list = new const char* [strlen(dblist)];
     char *dbtmp = new char[strlen(dblist)+1];
     strcpy(dbtmp, dblist);
     int num = 0;
     int len = 0;
     for (char *cp = dbtmp; ; cp++)
-	if (*cp && !strchr(sep, *cp))
-	    len++;
-	else
-	{
-	    if (len)
-	    {
-		list[num] = cp - len;
-		num++;
-	    }
-	    if (!*cp)
-		break;
-	    *cp = '\0';
-	    len = 0;
-	}
+        if (*cp && !strchr(sep, *cp))
+            len++;
+        else
+        {
+            if (len)
+            {
+                list[num] = cp - len;
+                num++;
+            }
+            if (!*cp)
+                break;
+            *cp = '\0';
+            len = 0;
+        }
     set_databaseNames (num, list);
     delete [] dbtmp;
     delete [] list;
 }
 
-void Yaz_IR_Assoc::set_preferredRecordSyntax (int value)
+void IR_Assoc::set_preferredRecordSyntax (const char *syntax)
 {
-    m_preferredRecordSyntax = value;
-}
-
-void Yaz_IR_Assoc::set_preferredRecordSyntax (const char *syntax)
-{
-    m_preferredRecordSyntax = VAL_NONE;
+    xfree(m_preferredRecordSyntax);
+    m_preferredRecordSyntax = 0;
     if (syntax && *syntax)
-	m_preferredRecordSyntax = oid_getvalbyname (syntax);
+        m_preferredRecordSyntax = xstrdup(syntax);
 }
 
-void Yaz_IR_Assoc::get_preferredRecordSyntax (int *value)
+void IR_Assoc::get_preferredRecordSyntax (const char **dst)
 {
-    *value = m_preferredRecordSyntax;
-}
-
-void Yaz_IR_Assoc::get_preferredRecordSyntax (const char **dst)
-{
-    struct oident ent;
-    ent.proto = PROTO_Z3950;
-    ent.oclass = CLASS_RECSYN;
-    ent.value = (enum oid_value) m_preferredRecordSyntax;
-
-    int oid[OID_SIZE];
-    oid_ent_to_oid (&ent, oid);
-    struct oident *entp = oid_getentbyoid (oid);
-    
-    *dst = entp ? entp->desc : "";
+    if (m_preferredRecordSyntax)
+        *dst = m_preferredRecordSyntax;
+    else
+        *dst = "";
 }
 
-void Yaz_IR_Assoc::set_elementSetName (const char *elementSetName)
+void IR_Assoc::set_elementSetName (const char *elementSetName)
 {
     if (m_elementSetNames)
-	delete [] m_elementSetNames->u.generic;
+        delete [] m_elementSetNames->u.generic;
     delete m_elementSetNames;
     m_elementSetNames = 0;
     if (elementSetName && *elementSetName)
     {
-	m_elementSetNames = new Z_ElementSetNames;
-	m_elementSetNames->which = Z_ElementSetNames_generic;
-	m_elementSetNames->u.generic = new char[strlen(elementSetName)+1];
-	strcpy (m_elementSetNames->u.generic, elementSetName);
+        m_elementSetNames = new Z_ElementSetNames;
+        m_elementSetNames->which = Z_ElementSetNames_generic;
+        m_elementSetNames->u.generic = new char[strlen(elementSetName)+1];
+        strcpy (m_elementSetNames->u.generic, elementSetName);
     }
 }
 
-void Yaz_IR_Assoc::get_elementSetName (Z_ElementSetNames **elementSetNames)
+void IR_Assoc::get_elementSetName (Z_ElementSetNames **elementSetNames)
 {
     *elementSetNames = m_elementSetNames;
 }
 
-void Yaz_IR_Assoc::get_elementSetName (const char **elementSetName)
+void IR_Assoc::get_elementSetName (const char **elementSetName)
 {
     if (!m_elementSetNames ||
-	m_elementSetNames->which != Z_ElementSetNames_generic)
+        m_elementSetNames->which != Z_ElementSetNames_generic)
     {
-	*elementSetName = 0;
-	return;
+        *elementSetName = 0;
+        return;
     }
     *elementSetName = m_elementSetNames->u.generic;
 }
 
-void Yaz_IR_Assoc::set_otherInformationString (
-    Z_OtherInformation **otherInformation,
-    int *oid, int categoryValue,
-    const char *str)
-{
-    Z_OtherInformationUnit *oi =
-	set_otherInformation(otherInformation, oid, categoryValue);
-    if (!oi)
-	return;
-    oi->information.characterInfo = odr_strdup (odr_encode(), str);
-}
 
-Z_OtherInformationUnit *Yaz_IR_Assoc::set_otherInformation (
-    Z_OtherInformation **otherInformationP,
-    int *oid, int categoryValue)
+void IR_Assoc::recv_GDU(Z_GDU *apdu, int len)
 {
-    int i;
-    Z_OtherInformation *otherInformation = *otherInformationP;
-    if (!otherInformation)
-    {
-	otherInformation = *otherInformationP = (Z_OtherInformation *)
-	    odr_malloc (odr_encode(), sizeof(*otherInformation));
-	otherInformation->num_elements = 0;
-	otherInformation->list = (Z_OtherInformationUnit **)
-	    odr_malloc (odr_encode(), 8*sizeof(*otherInformation));
-	for (i = 0; i<8; i++)
-	    otherInformation->list[i] = 0;
-    }
-    for (i = 0; i<otherInformation->num_elements; i++)
-    {
-	assert (otherInformation->list[i]);
-	if (!oid)
-	{
-	    if (!otherInformation->list[i]->category)
-		return otherInformation->list[i];
-	}
-	else
-	{
-	    if (otherInformation->list[i]->category &&
-		categoryValue ==
-		*otherInformation->list[i]->category->categoryValue &&
-		!oid_oidcmp (oid, otherInformation->list[i]->category->
-			     categoryTypeId))
-		return otherInformation->list[i];
-	}
-    }
-    otherInformation->list[i] = (Z_OtherInformationUnit*)
-	odr_malloc (odr_encode(), sizeof(Z_OtherInformationUnit));
-    if (oid)
-    {
-	otherInformation->list[i]->category = (Z_InfoCategory*)
-	    odr_malloc (odr_encode(), sizeof(Z_InfoCategory));
-	otherInformation->list[i]->category->categoryTypeId = (int*)
-	    odr_oiddup (odr_encode(), oid);
-	otherInformation->list[i]->category->categoryValue = (int*)
-	    odr_malloc (odr_encode(), sizeof(int));
-	*otherInformation->list[i]->category->categoryValue =
-	    categoryValue;
-    }
-    else
-	otherInformation->list[i]->category = 0;
-    otherInformation->list[i]->which = Z_OtherInfo_characterInfo;
-    otherInformation->list[i]->information.characterInfo = 0;
-    
-    otherInformation->num_elements = i+1;
-    return otherInformation->list[i];
+    if (apdu->which == Z_GDU_Z3950)
+            recv_Z_PDU(apdu->u.z3950, len);
 }
 
-void Yaz_IR_Assoc::recv_Z_PDU(Z_APDU *apdu)
+void IR_Assoc::recv_Z_PDU(Z_APDU *apdu, int len)
 {
-    logf (LOG_LOG, "recv_Z_PDU");
+    yaz_log (m_log, "recv_Z_PDU %d bytes", len);
     m_lastReceived = apdu->which;
     switch (apdu->which)
     {
     case Z_APDU_initResponse:
-	logf (LOG_LOG, "recv InitResponse");
-	recv_initResponse(apdu->u.initResponse);
-	break;
+        yaz_log (m_log, "recv InitResponse");
+        recv_initResponse(apdu->u.initResponse);
+        break;
     case Z_APDU_initRequest:
-        logf (LOG_LOG, "recv InitRequest");
-	recv_initRequest(apdu->u.initRequest);
+        yaz_log (m_log, "recv InitRequest");
+        recv_initRequest(apdu->u.initRequest);
         break;
     case Z_APDU_searchRequest:
-        logf (LOG_LOG, "recv searchRequest");
-	recv_searchRequest(apdu->u.searchRequest);
+        yaz_log (m_log, "recv searchRequest");
+        recv_searchRequest(apdu->u.searchRequest);
         break;
     case Z_APDU_searchResponse:
-	logf (LOG_LOG, "recv searchResponse"); 
-	recv_searchResponse(apdu->u.searchResponse);
-	break;
+        yaz_log (m_log, "recv searchResponse");
+        recv_searchResponse(apdu->u.searchResponse);
+        break;
     case Z_APDU_presentRequest:
-        logf (LOG_LOG, "recv presentRequest");
-	recv_presentRequest(apdu->u.presentRequest);
+        yaz_log (m_log, "recv presentRequest");
+        recv_presentRequest(apdu->u.presentRequest);
         break;
     case Z_APDU_presentResponse:
-        logf (LOG_LOG, "recv presentResponse");
-	recv_presentResponse(apdu->u.presentResponse);
+        yaz_log (m_log, "recv presentResponse");
+        recv_presentResponse(apdu->u.presentResponse);
+        break;
+    case Z_APDU_extendedServicesResponse:
+        yaz_log (m_log, "recv extendedServiceResponse");
+        recv_extendedServicesResponse(apdu->u.extendedServicesResponse);
         break;
     }
 }
 
-int Yaz_IR_Assoc::send_searchRequest(Yaz_Z_Query *query)
+int IR_Assoc::send_searchRequest(Yaz_Z_Query *query,
+                                     char* pResultSetId,
+                                     char* pRefId)
 {
     Z_APDU *apdu = create_Z_PDU(Z_APDU_searchRequest);
     Z_SearchRequest *req = apdu->u.searchRequest;
-    int recordSyntax;
 
     req->query = query->get_Z_Query();
     if (!req->query)
-	return -1;
+        return -1;
     get_databaseNames (&req->num_databaseNames, &req->databaseNames);
-    for (int i = 0; i<req->num_databaseNames; i++)
-	logf (LOG_LOG, "Database %s", req->databaseNames[i]);
-    int oid_syntax[OID_SIZE];
-    oident prefsyn;
+    const char *recordSyntax;
     get_preferredRecordSyntax(&recordSyntax);
-    if (recordSyntax != VAL_NONE)
+    if (recordSyntax && *recordSyntax)
+    {
+        req->preferredRecordSyntax
+            = yaz_string_to_oid_odr(yaz_oid_std(), CLASS_RECSYN, recordSyntax,
+                                    odr_encode());
+    }
+    yaz_log (m_log, "send_searchRequest");
+    assert (req->otherInfo == 0);
+    if (m_cookie)
+    {
+        set_otherInformationString(&req->otherInfo, yaz_oid_userinfo_cookie,
+                                   1, m_cookie);
+        assert (req->otherInfo);
+    }
+
+    if ( pRefId )
     {
-	prefsyn.proto = PROTO_Z3950;
-	prefsyn.oclass = CLASS_RECSYN;
-	prefsyn.value = (enum oid_value) recordSyntax;
-	oid_ent_to_oid(&prefsyn, oid_syntax);
-	req->preferredRecordSyntax = oid_syntax;
+        req->referenceId = getRefID(pRefId);
     }
-    logf (LOG_LOG, "send_searchRequest");
-    return send_Z_PDU(apdu);
+
+    if ( pResultSetId )
+    {
+        req->resultSetName = pResultSetId;
+    }
+
+    return send_Z_PDU(apdu, 0);
 }
 
-int Yaz_IR_Assoc::send_presentRequest(int start, int number)
+int IR_Assoc::send_presentRequest(Odr_int start,
+                                  Odr_int number,
+                                  char* pResultSetId,
+                                  char* pRefId)
 {
     Z_APDU *apdu = create_Z_PDU(Z_APDU_presentRequest);
     Z_PresentRequest *req = apdu->u.presentRequest;
@@ -283,111 +235,138 @@ int Yaz_IR_Assoc::send_presentRequest(int start, int number)
     req->resultSetStartPoint = &start;
     req->numberOfRecordsRequested = &number;
 
-    int oid_syntax[OID_SIZE];
-    oident prefsyn;
-    int recordSyntax;
+    const char *recordSyntax;
     get_preferredRecordSyntax (&recordSyntax);
-    if (recordSyntax != VAL_NONE)
+    if (recordSyntax && *recordSyntax)
     {
-	prefsyn.proto = PROTO_Z3950;
-	prefsyn.oclass = CLASS_RECSYN;
-	prefsyn.value = (enum oid_value) recordSyntax;
-	oid_ent_to_oid(&prefsyn, oid_syntax);
-	req->preferredRecordSyntax = oid_syntax;
+        req->preferredRecordSyntax =
+            yaz_string_to_oid_odr(yaz_oid_std(), CLASS_RECSYN, recordSyntax,
+                                  odr_encode());
     }
     Z_RecordComposition compo;
     Z_ElementSetNames *elementSetNames;
     get_elementSetName (&elementSetNames);
     if (elementSetNames)
     {
-	req->recordComposition = &compo;
+        req->recordComposition = &compo;
         compo.which = Z_RecordComp_simple;
         compo.u.simple = elementSetNames;
     }
-    return send_Z_PDU(apdu);
+
+    if (m_cookie)
+        set_otherInformationString(&req->otherInfo, yaz_oid_userinfo_cookie,
+                                   1, m_cookie);
+
+    if ( pRefId )
+    {
+        req->referenceId = getRefID(pRefId);
+    }
+
+    if ( pResultSetId )
+    {
+        req->resultSetId = pResultSetId;
+    }
+
+    return send_Z_PDU(apdu, 0);
 }
 
-void Yaz_IR_Assoc::set_proxy(const char *str)
+void IR_Assoc::set_proxy(const char *str)
 {
-    delete m_proxy;
-    m_proxy = new char[strlen(str)+1];
-    strcpy (m_proxy, str);
+    delete [] m_proxy;
+    m_proxy = 0;
+    if (str)
+    {
+        m_proxy = new char[strlen(str)+1];
+        strcpy (m_proxy, str);
+    }
 }
 
-void Yaz_IR_Assoc::client(const char *addr)
+void IR_Assoc::set_cookie(const char *str)
+{
+    delete [] m_cookie;
+    m_cookie = 0;
+    if (str)
+    {
+        m_cookie = new char[strlen(str)+1];
+        strcpy(m_cookie, str);
+    }
+}
+
+const char *IR_Assoc::get_cookie()
+{
+    return m_cookie;
+}
+
+void IR_Assoc::client(const char *addr)
 {
     delete [] m_host;
     m_host = new char[strlen(addr)+1];
     strcpy(m_host, addr);
-    const char *zurl_p = (m_proxy ? m_proxy : m_host);
-    char *zurl = new char[strlen(zurl_p)+1];
-    strcpy(zurl, zurl_p);
-    char *dbpart = strchr(zurl, '/');
+    const char *dbpart = strchr(m_host, '/');
     if (dbpart)
-    {
-	set_databaseNames (dbpart+1, "+ ");
-	*dbpart = '\0';
-    }
-    Yaz_Z_Assoc::client(zurl);
-    delete [] zurl;
+        set_databaseNames (dbpart+1, "+ ");
+    Z_Assoc::client(m_proxy ? m_proxy : m_host);
 }
 
-const char *Yaz_IR_Assoc::get_proxy()
+const char *IR_Assoc::get_proxy()
 {
     return m_proxy;
 }
 
-const char *Yaz_IR_Assoc::get_host()
+const char *IR_Assoc::get_host()
 {
     return m_host;
 }
 
-void Yaz_IR_Assoc::recv_searchRequest(Z_SearchRequest *searchRequest)
+void IR_Assoc::recv_searchRequest(Z_SearchRequest *searchRequest)
 {
     Z_APDU *apdu = create_Z_PDU(Z_APDU_searchResponse);
-    send_Z_PDU(apdu);
+    send_Z_PDU(apdu, 0);
 }
 
-void Yaz_IR_Assoc::recv_presentRequest(Z_PresentRequest *presentRequest)
+void IR_Assoc::recv_presentRequest(Z_PresentRequest *presentRequest)
 {
     Z_APDU *apdu = create_Z_PDU(Z_APDU_presentResponse);
-    send_Z_PDU(apdu);
+    send_Z_PDU(apdu, 0);
 }
 
-void Yaz_IR_Assoc::recv_initRequest(Z_InitRequest *initRequest)
+void IR_Assoc::recv_initRequest(Z_InitRequest *initRequest)
 {
     Z_APDU *apdu = create_Z_PDU(Z_APDU_initResponse);
-    send_Z_PDU(apdu);
+    send_Z_PDU(apdu, 0);
+}
+
+void IR_Assoc::recv_searchResponse (Z_SearchResponse *searchResponse)
+{
 }
 
-void Yaz_IR_Assoc::recv_searchResponse (Z_SearchResponse *searchResponse)
+void IR_Assoc::recv_presentResponse (Z_PresentResponse *presentResponse)
 {
 }
 
-void Yaz_IR_Assoc::recv_presentResponse (Z_PresentResponse *presentResponse)
+void IR_Assoc::recv_initResponse(Z_InitResponse *initResponse)
 {
 }
 
-void Yaz_IR_Assoc::recv_initResponse(Z_InitResponse *initResponse)
+void IR_Assoc::recv_extendedServicesResponse(Z_ExtendedServicesResponse *ExtendedServicesResponse)
 {
 }
 
-int Yaz_IR_Assoc::get_lastReceived()
+int IR_Assoc::get_lastReceived()
 {
     return m_lastReceived;
 }
 
-void Yaz_IR_Assoc::set_lastReceived(int lastReceived)
+void IR_Assoc::set_lastReceived(int lastReceived)
 {
     m_lastReceived = lastReceived;
 }
 
-int Yaz_IR_Assoc::send_initRequest()
+int IR_Assoc::send_initRequest(char* pRefId)
 {
-
     Z_APDU *apdu = create_Z_PDU(Z_APDU_initRequest);
     Z_InitRequest *req = apdu->u.initRequest;
-    
+
     ODR_MASK_SET(req->options, Z_Options_search);
     ODR_MASK_SET(req->options, Z_Options_present);
     ODR_MASK_SET(req->options, Z_Options_namedResultSets);
@@ -401,17 +380,61 @@ int Yaz_IR_Assoc::send_initRequest()
     ODR_MASK_SET(req->protocolVersion, Z_ProtocolVersion_2);
     ODR_MASK_SET(req->protocolVersion, Z_ProtocolVersion_3);
 
+    if ( pRefId )
+    {
+        req->referenceId = getRefID(pRefId);
+    }
+
     if (m_proxy && m_host)
+        set_otherInformationString(&req->otherInfo, yaz_oid_userinfo_proxy,
+                                   1, m_host);
+    if (m_cookie)
+        set_otherInformationString(&req->otherInfo, yaz_oid_userinfo_cookie,
+                                   1, m_cookie);
+    return send_Z_PDU(apdu, 0);
+}
+
+int IR_Assoc::send_deleteResultSetRequest(char* pResultSetId, char* pRefId)
+{
+    char* ResultSetIds[1];
+
+    Z_APDU *apdu = create_Z_PDU(Z_APDU_deleteResultSetRequest);
+    Z_DeleteResultSetRequest *req = apdu->u.deleteResultSetRequest;
+
+    if ( pResultSetId )
+    {
+        *req->deleteFunction = Z_DeleteResultSetRequest_list;
+        req->num_resultSetList = 1;
+        ResultSetIds[0] = pResultSetId;
+        req->resultSetList = ResultSetIds;
+    }
+    else
     {
-	int oid[OID_SIZE];
-	struct oident ent;
-	ent.proto = PROTO_Z3950;
-	ent.oclass = CLASS_USERINFO;
-	ent.value = VAL_PROXY;
-	oid_ent_to_oid (&ent, oid);
-	logf (LOG_LOG, "proxy host %s", m_host);
-	set_otherInformationString(&req->otherInfo, oid, 1, m_host);
+        *req->deleteFunction = Z_DeleteResultSetRequest_all;
     }
-    return send_Z_PDU(apdu);
+
+    if ( pRefId )
+    {
+        req->referenceId = getRefID(pRefId);
+    }
+
+    if (m_proxy && m_host)
+        set_otherInformationString(&req->otherInfo, yaz_oid_userinfo_proxy,
+                                   1, m_host);
+    if (m_cookie)
+        set_otherInformationString(&req->otherInfo, yaz_oid_userinfo_cookie,
+                                   1, m_cookie);
+
+    return send_Z_PDU(apdu, 0);
 }
 
+
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+