376 lines
10 KiB
C++
376 lines
10 KiB
C++
/**
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* NamedList.cpp
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* This file is part of the YATE Project http://YATE.null.ro
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*
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* Yet Another Telephony Engine - a fully featured software PBX and IVR
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* Copyright (C) 2004-2014 Null Team
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*
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* This software is distributed under multiple licenses;
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* see the COPYING file in the main directory for licensing
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* information for this specific distribution.
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*
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* This use of this software may be subject to additional restrictions.
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* See the LEGAL file in the main directory for details.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#include "yateclass.h"
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using namespace TelEngine;
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static const NamedList s_empty("");
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const NamedList& NamedList::empty()
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{
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return s_empty;
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}
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NamedList::NamedList(const char* name)
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: String(name)
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{
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}
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NamedList::NamedList(const NamedList& original)
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: String(original)
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{
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ObjList* dest = &m_params;
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for (const ObjList* l = original.m_params.skipNull(); l; l = l->skipNext()) {
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const NamedString* p = static_cast<const NamedString*>(l->get());
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dest = dest->append(new NamedString(p->name(),*p));
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}
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}
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NamedList::NamedList(const char* name, const NamedList& original, const String& prefix)
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: String(name)
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{
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copySubParams(original,prefix);
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}
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NamedList& NamedList::operator=(const NamedList& value)
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{
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String::operator=(value);
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clearParams();
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return copyParams(value);
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}
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void* NamedList::getObject(const String& name) const
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{
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if (name == YATOM("NamedList"))
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return const_cast<NamedList*>(this);
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return String::getObject(name);
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}
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NamedList& NamedList::addParam(NamedString* param)
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{
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XDebug(DebugInfo,"NamedList::addParam(%p) [\"%s\",\"%s\"]",
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param,(param ? param->name().c_str() : ""),TelEngine::c_safe(param));
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if (param)
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m_params.append(param);
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return *this;
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}
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NamedList& NamedList::addParam(const char* name, const char* value, bool emptyOK)
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{
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XDebug(DebugInfo,"NamedList::addParam(\"%s\",\"%s\",%s)",name,value,String::boolText(emptyOK));
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if (emptyOK || !TelEngine::null(value))
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m_params.append(new NamedString(name, value));
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return *this;
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}
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NamedList& NamedList::setParam(const String& name, const char* value)
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{
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XDebug(DebugInfo,"NamedList::setParam(\"%s\",\"%s\")",name.c_str(),value);
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ObjList *p = m_params.skipNull();
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while (p) {
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NamedString *s = static_cast<NamedString*>(p->get());
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if (s->name() == name) {
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*s = value;
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return *this;
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}
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ObjList* next = p->skipNext();
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if (next)
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p = next;
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else
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break;
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}
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if (p)
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p->append(new NamedString(name,value));
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else
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m_params.append(new NamedString(name,value));
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return *this;
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}
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NamedList& NamedList::clearParam(const String& name, char childSep)
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{
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XDebug(DebugInfo,"NamedList::clearParam(\"%s\",'%.1s')",
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name.c_str(),&childSep);
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String tmp;
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if (childSep)
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tmp << name << childSep;
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ObjList *p = &m_params;
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while (p) {
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NamedString *s = static_cast<NamedString *>(p->get());
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if (s && ((s->name() == name) || s->name().startsWith(tmp)))
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p->remove();
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else
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p = p->next();
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}
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return *this;
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}
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// Remove a specific parameter
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NamedList& NamedList::clearParam(NamedString* param, bool delParam)
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{
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if (!param)
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return *this;
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ObjList* o = m_params.find(param);
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if (o)
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o->remove(delParam);
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XDebug(DebugInfo,"NamedList::clearParam(%p) found=%p",param,o);
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return *this;
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}
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NamedList& NamedList::copyParam(const NamedList& original, const String& name, char childSep)
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{
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XDebug(DebugInfo,"NamedList::copyParam(%p,\"%s\",'%.1s')",
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&original,name.c_str(),&childSep);
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if (!childSep) {
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// faster and simpler - used in most cases
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const NamedString* s = original.getParam(name);
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return s ? setParam(name,*s) : clearParam(name);
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}
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clearParam(name,childSep);
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String tmp;
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tmp << name << childSep;
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ObjList* dest = &m_params;
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for (const ObjList* l = original.m_params.skipNull(); l; l = l->skipNext()) {
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const NamedString* s = static_cast<const NamedString*>(l->get());
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if ((s->name() == name) || s->name().startsWith(tmp))
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dest = dest->append(new NamedString(s->name(),*s));
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}
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return *this;
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}
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NamedList& NamedList::copyParams(const NamedList& original)
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{
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XDebug(DebugInfo,"NamedList::copyParams(%p) [%p]",&original,this);
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for (const ObjList* l = original.m_params.skipNull(); l; l = l->skipNext()) {
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const NamedString* p = static_cast<const NamedString*>(l->get());
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setParam(p->name(),*p);
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}
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return *this;
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}
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NamedList& NamedList::copyParams(const NamedList& original, ObjList* list, char childSep)
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{
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XDebug(DebugInfo,"NamedList::copyParams(%p,%p,'%.1s') [%p]",
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&original,list,&childSep,this);
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for (; list; list = list->next()) {
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GenObject* obj = list->get();
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if (!obj)
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continue;
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String name = obj->toString();
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name.trimBlanks();
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if (name)
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copyParam(original,name,childSep);
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}
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return *this;
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}
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NamedList& NamedList::copyParams(const NamedList& original, const String& list, char childSep)
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{
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XDebug(DebugInfo,"NamedList::copyParams(%p,\"%s\",'%.1s') [%p]",
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&original,list.c_str(),&childSep,this);
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ObjList* l = list.split(',',false);
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if (l) {
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copyParams(original,l,childSep);
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l->destruct();
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}
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return *this;
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}
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NamedList& NamedList::copySubParams(const NamedList& original, const String& prefix,
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bool skipPrefix, bool replace)
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{
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XDebug(DebugInfo,"NamedList::copySubParams(%p,\"%s\",%s,%s) [%p]",
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&original,prefix.c_str(),String::boolText(skipPrefix),
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String::boolText(replace),this);
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if (prefix) {
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unsigned int offs = skipPrefix ? prefix.length() : 0;
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ObjList* dest = &m_params;
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for (const ObjList* l = original.m_params.skipNull(); l; l = l->skipNext()) {
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const NamedString* s = static_cast<const NamedString*>(l->get());
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if (s->name().startsWith(prefix)) {
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const char* name = s->name().c_str() + offs;
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if (!*name)
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continue;
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if (!replace)
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dest = dest->append(new NamedString(name,*s));
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else if (offs)
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setParam(name,*s);
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else
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setParam(s->name(),*s);
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}
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}
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}
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return *this;
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}
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bool NamedList::hasSubParams(const char* prefix) const
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{
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XDebug(DebugInfo,"NamedList::hasSubParams(\"%s\") [%p]",prefix,this);
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if (!TelEngine::null(prefix)) {
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for (const ObjList* l = m_params.skipNull(); l; l = l->skipNext()) {
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const NamedString* s = static_cast<const NamedString*>(l->get());
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if (s->name().startsWith(prefix))
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return true;
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}
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}
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return false;
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}
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void NamedList::dump(String& str, const char* separator, char quote, bool force) const
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{
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if (force && str.null())
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str << separator;
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str << quote << *this << quote;
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const ObjList *p = m_params.skipNull();
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for (; p; p = p->skipNext()) {
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const NamedString* s = static_cast<const NamedString *>(p->get());
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String tmp;
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tmp << quote << s->name() << quote << "=" << quote << *s << quote;
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str.append(tmp,separator);
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}
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}
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int NamedList::getIndex(const NamedString* param) const
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{
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if (!param)
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return -1;
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const ObjList *p = &m_params;
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for (int i=0; p; p=p->next(),i++) {
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if (static_cast<const NamedString *>(p->get()) == param)
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return i;
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}
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return -1;
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}
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int NamedList::getIndex(const String& name) const
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{
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const ObjList *p = &m_params;
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for (int i=0; p; p=p->next(),i++) {
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NamedString *s = static_cast<NamedString *>(p->get());
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if (s && (s->name() == name))
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return i;
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}
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return -1;
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}
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NamedString* NamedList::getParam(const String& name) const
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{
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XDebug(DebugInfo,"NamedList::getParam(\"%s\")",name.c_str());
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const ObjList *p = m_params.skipNull();
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for (; p; p=p->skipNext()) {
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NamedString *s = static_cast<NamedString *>(p->get());
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if (s->name() == name)
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return s;
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}
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return 0;
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}
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NamedString* NamedList::getParam(unsigned int index) const
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{
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XDebug(DebugInfo,"NamedList::getParam(%u)",index);
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return static_cast<NamedString *>(m_params[index]);
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}
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const String& NamedList::operator[](const String& name) const
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{
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const String* s = getParam(name);
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return s ? *s : String::empty();
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}
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const char* NamedList::getValue(const String& name, const char* defvalue) const
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{
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XDebug(DebugInfo,"NamedList::getValue(\"%s\",\"%s\")",name.c_str(),defvalue);
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const NamedString *s = getParam(name);
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return s ? s->c_str() : defvalue;
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}
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int NamedList::getIntValue(const String& name, int defvalue, int minvalue, int maxvalue,
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bool clamp) const
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{
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const NamedString *s = getParam(name);
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return s ? s->toInteger(defvalue,0,minvalue,maxvalue,clamp) : defvalue;
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}
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int NamedList::getIntValue(const String& name, const TokenDict* tokens, int defvalue) const
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{
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const NamedString *s = getParam(name);
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return s ? s->toInteger(tokens,defvalue) : defvalue;
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}
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double NamedList::getDoubleValue(const String& name, double defvalue) const
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{
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const NamedString *s = getParam(name);
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return s ? s->toDouble(defvalue) : defvalue;
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}
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bool NamedList::getBoolValue(const String& name, bool defvalue) const
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{
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const NamedString *s = getParam(name);
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return s ? s->toBoolean(defvalue) : defvalue;
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}
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int NamedList::replaceParams(String& str, bool sqlEsc, char extraEsc) const
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{
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int p1 = 0;
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int cnt = 0;
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while ((p1 = str.find("${",p1)) >= 0) {
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int p2 = str.find('}',p1+2);
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if (p2 > 0) {
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String def;
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String tmp = str.substr(p1+2,p2-p1-2);
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tmp.trimBlanks();
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int pq = tmp.find('$');
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if (pq >= 0) {
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// param is in ${<name>$<default>} format
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def = tmp.substr(pq+1).trimBlanks();
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tmp = tmp.substr(0,pq).trimBlanks();
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}
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DDebug(DebugAll,"NamedList replacing parameter '%s' [%p]",tmp.c_str(),this);
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const String* ns = getParam(tmp);
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if (ns) {
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if (sqlEsc) {
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const DataBlock* data = 0;
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if (ns->null()) {
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NamedPointer* np = YOBJECT(NamedPointer,ns);
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if (np)
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data = YOBJECT(DataBlock,np->userData());
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}
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if (data)
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tmp = data->sqlEscape(extraEsc);
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else
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tmp = ns->sqlEscape(extraEsc);
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}
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else
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tmp = *ns;
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}
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else
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tmp = def;
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str = str.substr(0,p1) + tmp + str.substr(p2+1);
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// advance search offset past the string we just replaced
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p1 += tmp.length();
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cnt++;
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}
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else
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return -1;
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}
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return cnt;
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}
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/* vi: set ts=8 sw=4 sts=4 noet: */
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