new XMLParse,but don't have test.
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4d40765bb4
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2002532b63
@ -2,6 +2,10 @@
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#define HGL_XML_PARSE_INCLUDE
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#include<hgl/type/BaseString.h>
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#include<hgl/type/Map.h>
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#include<hgl/type/StrChar.h>
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#include<hgl/CodePage.h>
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extern "C"
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{
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/**
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@ -22,7 +26,107 @@ namespace hgl
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}//namespace io
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/**
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* XML解析器(虚拟函数版)<br>
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* XML节点解析器
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*/
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class XMLElementParse
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{
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public:
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virtual bool StartElement(const char *element_name)=0;
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virtual void Attr(const char *flag,const char *info){};
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virtual void CharData(const char *str,int str_length){};
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virtual void EndElement(const char *element_name){};
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};//class XMLElementParse
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class XMLElementParseKV:public XMLElementParse
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{
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protected:
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using AttrsMap=Map<AnsiString,AnsiString>;
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using AttrItem=Pair<AnsiString,AnsiString>;
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AttrsMap attrs_map;
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protected:
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const AttrItem *GetAttrItem(const AnsiString &name);
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template<typename T> const bool GetInteger (const AnsiString &name,T &value){const AttrItem *ai=GetAttrItem(name);return(ai?stoi(ai->right.c_str(),value):false);}
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template<typename T> const bool GetUInteger (const AnsiString &name,T &value){const AttrItem *ai=GetAttrItem(name);return(ai?stou(ai->right.c_str(),value):false);}
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template<typename T> const bool GetFloat (const AnsiString &name,T &value){const AttrItem *ai=GetAttrItem(name);return(ai?stof(ai->right.c_str(),value):false);}
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public:
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virtual void Attr(const char *flag,const char *info) override;
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public:
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const bool IsExist (const AnsiString &name)const{return attrs_map.KeyExist(name);}
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const char * ToCString (const AnsiString &name){const AttrItem *ai=GetAttrItem(name);return(ai?ai->right.c_str():nullptr);}
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const char * operator[] (const AnsiString &name){return ToCString(name);}
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public:
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const bool Get(const AnsiString &name,AnsiString &str)
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{
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const AttrItem *ai=GetAttrItem(name);
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if(!ai)return(false);
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str=ai->right;
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return(true);
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}
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const bool Get(const AnsiString &name,UTF16String &str)
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{
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const AttrItem *ai=GetAttrItem(name);
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if(!ai)return(false);
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str=to_u16(ai->right);
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return(true);
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}
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const bool Get(const AnsiString &name,char &ch)
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{
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const AttrItem *ai=GetAttrItem(name);
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if(!ai)return(false);
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ch=ai->right.GetBeginChar();
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return(true);
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}
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const bool Get(const AnsiString &name,bool &value)
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{
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const AttrItem *ai=GetAttrItem(name);
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return(ai?stob<char>(ai->right.c_str(),value):false);
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}
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const bool Get(const AnsiString &name, int8 &value){return GetInteger < int8 >(name,value);}
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const bool Get(const AnsiString &name,uint8 &value){return GetUInteger<uint8 >(name,value);}
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const bool Get(const AnsiString &name, int16 &value){return GetInteger < int16>(name,value);}
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const bool Get(const AnsiString &name,uint16 &value){return GetUInteger<uint16>(name,value);}
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const bool Get(const AnsiString &name, int32 &value){return GetInteger < int32>(name,value);}
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const bool Get(const AnsiString &name,uint32 &value){return GetUInteger<uint32>(name,value);}
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const bool Get(const AnsiString &name, int64 &value){return GetInteger < int64>(name,value);}
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const bool Get(const AnsiString &name,uint64 &value){return GetUInteger<uint64>(name,value);}
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const bool GetHexStr(const AnsiString &name,uint8 *data)
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{
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const AttrItem *ai=GetAttrItem(name);
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if(!ai)return(false);
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ParseHexStr(data,ai->right.c_str(),ai->right.Length());
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return(true);
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}
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};//class XMLElementParseKV:public XMLElementParse
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/**
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* XML解析器<br>
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*/
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class XMLParse
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{
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@ -30,20 +134,18 @@ namespace hgl
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XML_Parser xml;
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uint buffer_size;
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int buffer_size;
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char *buffer;
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protected:
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XMLElementParse *element_parse;
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virtual void StartParse();
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public:
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virtual void StartElement(const char *element_name,const char **atts)=0;
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virtual void CharData(const char *str,int str_length){};
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virtual void EndElement(const char *element_name){};
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public:
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XMLParse(const uint size=HGL_SIZE_1KB*128);
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XMLParse(XMLElementParse *,const int size=HGL_SIZE_1KB*128);
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virtual ~XMLParse();
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virtual void Start(const char *charset="utf-8");
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@ -53,27 +155,6 @@ namespace hgl
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bool XMLParseFile(XMLParse *xml,const OSString &filename);
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/**
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* XML解析器(回调函数版)
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*/
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class XMLParseCB:public XMLParse
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{
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protected:
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virtual void StartParse();
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public:
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DefEvent(void,OnStartElement,(const char *,const char **));
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DefEvent(void,OnCharData,(const char *,int));
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DefEvent(void,OnEndElement,(const char *));
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public:
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XMLParseCB();
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virtual ~XMLParseCB()=default;
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};//class XMLParseCB
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#define XML_START_PARSE(name) while(*name) \
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{ \
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const char *flag=*name;++name; \
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@ -9,24 +9,51 @@ namespace hgl
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{
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namespace
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{
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void XMLStartElement(XMLParse *xml,const XML_Char *name,const XML_Char **atts)
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void XMLStartElement(XMLElementParse *ep,const XML_Char *name,const XML_Char **atts)
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{
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xml->StartElement(name,atts);
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if(!ep->StartElement(name))
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return;
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const char *flag;
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const char *info;
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while(*atts)
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{
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flag=*atts;++atts;
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info=*atts;++atts;
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ep->Attr(flag,info);
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}
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}
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void XMLCharData(XMLParse *xml,const XML_Char *str,int len)
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void XMLCharData(XMLElementParse *ep,const XML_Char *str,int len)
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{
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xml->CharData(str,len);
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ep->CharData(str,len);
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}
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void XMLEndElement(XMLParse *xml,const XML_Char *name)
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void XMLEndElement(XMLElementParse *ep,const XML_Char *name)
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{
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xml->EndElement(name);
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ep->EndElement(name);
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}
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}//namespace
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const XMLElementParseKV::AttrItem *XMLElementParseKV::GetAttrItem(const AnsiString &name)
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{
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const int pos=attrs_map.FindPos(name);
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if(pos<0)return(false);
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return attrs_map.GetItem(pos);
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}
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XMLParse::XMLParse(const uint size)
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void XMLElementParseKV::Attr(const char *flag,const char *info)
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{
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attrs_map.Add(flag,info);
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}
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XMLParse::XMLParse(XMLElementParse *ep,const int size)
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{
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element_parse=ep;
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xml=nullptr;
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if(size<=0)
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@ -65,7 +92,7 @@ namespace hgl
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{
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xml=XML_ParserCreate(charset);
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XML_SetUserData(xml,this);
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XML_SetUserData(xml,element_parse);
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StartParse();
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}
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@ -157,35 +184,4 @@ namespace hgl
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return xml->Parse(&fis);
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}
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namespace
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{
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void StartElementCB(XMLParseCB *xml,const XML_Char *name,const XML_Char **atts)
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{
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SafeCallEvent(xml->OnStartElement,(name,atts));
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}
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void CharDataCB(XMLParseCB *xml,const XML_Char *str,int len)
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{
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SafeCallEvent(xml->OnCharData,(str,len));
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}
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void EndElementCB(XMLParseCB *xml,const XML_Char *name)
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{
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SafeCallEvent(xml->OnEndElement,(name));
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}
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}
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XMLParseCB::XMLParseCB()
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{
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OnStartElement=nullptr;
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OnCharData=nullptr;
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OnEndElement=nullptr;
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}
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void XMLParseCB::StartParse()
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{
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XML_SetElementHandler(xml,(XML_StartElementHandler)StartElementCB,(XML_EndElementHandler)EndElementCB);
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XML_SetCharacterDataHandler(xml,(XML_CharacterDataHandler)CharDataCB);
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}
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}//namespace hgl
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