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hostsxml.h
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#ifndef HOSTSXML
#define HOSTSXML
#include <QtXml/QtXml>
#include <QtCore/QFile>
#include "logger.h"
#include <QtXml/QDomElement>
/*
* 由于是用DOM来解析，全部放在内存当中。
* 所以适用于XML小文件。不要超过 4M
*/
#ifndef MAX_XML_FILESIZE
#define MAX_XML_FILESIZE 4*1024*1024
#endif
//域名的最大长度
#ifndef MAX_DOMAIN_LEN
#ifdef _DEBUG
#define MAX_DOMAIN_LEN 64
#else
#define MAX_DOMAIN_LEN 64
#endif
#endif
#ifndef MAX_ATTRNAME_LEN
#define MAX_ATTRNAME_LEN 16
#define MAX_DESC_LEN 16
#endif
#ifndef HOSTS_XML_DEF_NAME
#define HOSTS_XML_DEF_NAME
#define TAGNAME_ROOT "hosts"
#define TAGNAME_IPNODE "ipnode"
#define TAGNAME_GROUP "group"
#define TAGNAME_DOMAIN "domain"
#define ATTRNAME_IP "ip"
#define ATTRNAME_NAME "name"
#define ATTRNAME_DESC "desc"
#define GROUP_DEFAULT_NAME "default"
#define GROUP_DEFAULT_DESC "默认分组"
#endif
#ifndef LOCAL_IP
#define LOCAL_IP "127.0.0.1"
#endif
class HostsXml
{
public:
HostsXml();
~HostsXml();
bool Open(QString& fileName);
bool Create();
void Close();
bool IsOpen();
bool IsModified();
bool IsNewFile(){return m_isnewfile;}
void SetModified(bool modified){m_modified=modified;}
const QDomDocument& GetDomDoc(){return m_doc;}
bool Save(QString& fileName);
QString GetFileName();
/*
* 添加修改删除IP节点
* */
bool AddNewIpNodeElement(QString& ipv4addr,QString& desc);
bool ModifyIpNodeElement(QString& oldipv4addr,QString& newipv4addr,QString& newdesc);
bool DelIpNodeByIp(QString& ipaddr);
/*
*添加修改删除组节点
* */
bool AddGroupNodeElement(QString& ipv4addr,QString& GroupName,QString& desc);
bool ModifyGroupNodeElement(QString& ipv4addr,QString& OldGroupName,QString& NewGroupName,QString& newdesc);
bool DelGroupNode(QString& GroupName,QString& ipv4addr);
/*
* 添加修改删除域名节点
* */
bool AddNewDomainElement(QString& ipv4addr,QString& Domain,QString& groupname);
bool ModifyDomainElement(QString& ipv4addr,QString& groupname,QString& OldDomain,QString& NewDoamin);
bool DelDomainNode(QString& domain,QString& ipv4addr,QString& GroupName);
void RemoveAllIpNode();
QDomElement FindIpNodeElement(const QString& ipv4addr);
QDomElement FindGroupNodeElement(const QString& ipv4addr,const QString& GroupName);
QDomElement FindGroupNodeElement(QDomElement& ipNode,const QString& GroupName);
QDomElement FindDomainElement(const QString& ipv4addr,const QString& GroupName,const QString& Domain);
QDomElement FindDomainElement(QDomElement& ipNode,const QString& GroupName,const QString& Domain);
QDomElement FindDomainElement(QDomElement& GroupNode,const QString& Domain);
QDomElement IAddNewIpNodeElement(QString& ipv4addr,QString& desc);
QDomElement IAddGroupNodeElement(QString& ipv4addr,QString& GroupName,QString& desc);
QDomElement IAddGroupNodeElement(QDomElement& IpNode,QString& GroupName,QString& desc);
QDomElement IAddNewDomainElement(QString& ipv4addr,QString& Domain,QString& groupname);
QDomElement IAddNewDomainElement(QDomElement& IpNode,QString& Domain,QString& groupname);
QDomElement IAddNewDomainElement(QDomElement& GroupNode,QString& Domain);
bool ToHosts(QString fileName);
private:
qint64 HostsWriteOneLine(QFile& file,const char* buf,qint64 len,bool iscomment=false);
qint64 HostsWriteOneLine(QFile& file,const QString &str ,bool iscomment=false);
//XML的DOC节点
QDomDocument m_doc;
//根节点
QDomElement m_root;
//用来保存或者打开xml的文件
QString m_filename;
//文档或者结构是否被修改过
bool m_modified;
//当前是否处于打开状态
bool m_isopen;
//是否是new的文件
bool m_isnewfile;
//修复linux上 unable to resolve host xxxxxx,通过gethostname 127.0.0.1 增加进去
void AddComputerHostName();
};
#endif // HOSTSXML