211 lines
7.2 KiB
C++
211 lines
7.2 KiB
C++
#ifndef HGL_XML_PARSE_INCLUDE
|
||
#define HGL_XML_PARSE_INCLUDE
|
||
|
||
#include<hgl/type/BaseString.h>
|
||
#include<hgl/type/Map.h>
|
||
#include<hgl/type/StrChar.h>
|
||
#include<hgl/CodePage.h>
|
||
|
||
extern "C"
|
||
{
|
||
/**
|
||
* 该XML解晰器使用Expat实现,根据MIT协议取得免费授权,授权协议参见 doc/license/MIT.txt
|
||
* Expat官方网站：http://expat.sourceforge.net/
|
||
*/
|
||
|
||
struct XML_ParserStruct;
|
||
|
||
using XML_Parser=struct XML_ParserStruct *;
|
||
}
|
||
|
||
namespace hgl
|
||
{
|
||
namespace io
|
||
{
|
||
class InputStream;
|
||
}//namespace io
|
||
|
||
/**
|
||
* XML节点解析器
|
||
*/
|
||
class XMLElementParse
|
||
{
|
||
public:
|
||
|
||
virtual bool StartElement(const char *element_name)=0;
|
||
virtual void Attr(const char *flag,const char *info){};
|
||
virtual void CharData(const char *str,int str_length){};
|
||
virtual void EndElement(const char *element_name){};
|
||
};//class XMLElementParse
|
||
|
||
class XMLElementParseKV:public XMLElementParse
|
||
{
|
||
protected:
|
||
|
||
using AttrsMap=Map<AnsiString,AnsiString>;
|
||
using AttrItem=Pair<AnsiString,AnsiString>;
|
||
|
||
AttrsMap attrs_map;
|
||
|
||
protected:
|
||
|
||
const AttrItem *GetAttrItem(const AnsiString &name);
|
||
|
||
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);}
|
||
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);}
|
||
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);}
|
||
|
||
public:
|
||
|
||
virtual void Attr(const char *flag,const char *info) override;
|
||
|
||
public:
|
||
|
||
const bool IsExist (const AnsiString &name)const{return attrs_map.KeyExist(name);}
|
||
|
||
const char * ToCString (const AnsiString &name){const AttrItem *ai=GetAttrItem(name);return(ai?ai->right.c_str():nullptr);}
|
||
const char * operator[] (const AnsiString &name){return ToCString(name);}
|
||
|
||
public:
|
||
|
||
const bool Get(const AnsiString &name,AnsiString &str)
|
||
{
|
||
const AttrItem *ai=GetAttrItem(name);
|
||
|
||
if(!ai)return(false);
|
||
|
||
str=ai->right;
|
||
return(true);
|
||
}
|
||
|
||
const bool Get(const AnsiString &name,UTF16String &str)
|
||
{
|
||
const AttrItem *ai=GetAttrItem(name);
|
||
|
||
if(!ai)return(false);
|
||
|
||
str=to_u16(ai->right);
|
||
return(true);
|
||
}
|
||
|
||
const bool Get(const AnsiString &name,char &ch)
|
||
{
|
||
const AttrItem *ai=GetAttrItem(name);
|
||
|
||
if(!ai)return(false);
|
||
|
||
ch=ai->right.GetBeginChar();
|
||
return(true);
|
||
}
|
||
|
||
const bool Get(const AnsiString &name,bool &value)
|
||
{
|
||
const AttrItem *ai=GetAttrItem(name);
|
||
|
||
return(ai?stob<char>(ai->right.c_str(),value):false);
|
||
}
|
||
|
||
const bool Get(const AnsiString &name, int8 &value){return GetInteger < int8 >(name,value);}
|
||
const bool Get(const AnsiString &name,uint8 &value){return GetUInteger<uint8 >(name,value);}
|
||
const bool Get(const AnsiString &name, int16 &value){return GetInteger < int16>(name,value);}
|
||
const bool Get(const AnsiString &name,uint16 &value){return GetUInteger<uint16>(name,value);}
|
||
const bool Get(const AnsiString &name, int32 &value){return GetInteger < int32>(name,value);}
|
||
const bool Get(const AnsiString &name,uint32 &value){return GetUInteger<uint32>(name,value);}
|
||
const bool Get(const AnsiString &name, int64 &value){return GetInteger < int64>(name,value);}
|
||
const bool Get(const AnsiString &name,uint64 &value){return GetUInteger<uint64>(name,value);}
|
||
|
||
const bool GetHexStr(const AnsiString &name,uint8 *data)
|
||
{
|
||
const AttrItem *ai=GetAttrItem(name);
|
||
|
||
if(!ai)return(false);
|
||
|
||
ParseHexStr(data,ai->right.c_str(),ai->right.Length());
|
||
return(true);
|
||
}
|
||
};//class XMLElementParseKV:public XMLElementParse
|
||
|
||
constexpr int XML_PARSE_BUFFER_SIZE=HGL_SIZE_1KB*128; ///<XML解析缓冲区大小
|
||
|
||
/**
|
||
* XML解析器<br>
|
||
*/
|
||
class XMLParse
|
||
{
|
||
protected:
|
||
|
||
XML_Parser xml;
|
||
|
||
int buffer_size;
|
||
char *buffer;
|
||
|
||
protected:
|
||
|
||
XMLElementParse *element_parse;
|
||
|
||
virtual void StartParse();
|
||
|
||
public:
|
||
|
||
XMLParse(XMLElementParse *,const int size=XML_PARSE_BUFFER_SIZE);
|
||
virtual ~XMLParse();
|
||
|
||
virtual void Start(const char *charset="utf-8");
|
||
virtual bool Parse(const char *buf,int len,bool isFin);
|
||
virtual bool Parse(io::InputStream *,bool isFin=true);
|
||
};//class XMLParse
|
||
|
||
bool XMLParseFile(XMLParse *xml,const OSString &filename);
|
||
|
||
#define XML_START_PARSE(name) while(*name) \
|
||
{ \
|
||
const char *flag=*name;++name; \
|
||
const char *info=*name;++name;
|
||
|
||
#define XML_END_PARSE() LOG_ERROR(UTF8String(__FILE__)+U8_TEXT(":")+UTF8String(__LINE__)+U8_TEXT(" can't parse atts \"")+UTF8String(flag)+U8_TEXT("\" , info \"")+UTF8String(info)+U8_TEXT("\".")); \
|
||
}
|
||
#define XML_END_PARSE_SKIP() ;}
|
||
|
||
#define xml_parse_skip(name) if(hgl::strcmp(flag,#name)==0)continue;else
|
||
#define xml_parse_string_u16(name) if(hgl::strcmp(flag,#name)==0)name=to_u16(info);else
|
||
#define xml_parse_string_u8(name) if(hgl::strcmp(flag,#name)==0)name=info;else
|
||
#define xml_parse_int(name) if(hgl::strcmp(flag,#name)==0)hgl::stoi(info,name);else
|
||
#define xml_parse_uint(name) if(hgl::strcmp(flag,#name)==0)hgl::stou(info,name);else
|
||
#define xml_parse_float(name) if(hgl::strcmp(flag,#name)==0)hgl::stof(info,name);else
|
||
#define xml_parse_bool(name) if(hgl::strcmp(flag,#name)==0)hgl::stob(info,name);else
|
||
#define xml_parse_hexstr(name) if(hgl::strcmp(flag,#name)==0)hgl::ParseHexStr(name,info);else
|
||
|
||
#define xml_parse_to_string_u8(name,value) if(hgl::strcmp(flag,name)==0)value=info;else
|
||
#define xml_parse_to_int(name,value) if(hgl::strcmp(flag,name)==0)hgl::stoi(info,value);else
|
||
#define xml_parse_to_uint(name,value) if(hgl::strcmp(flag,name)==0)hgl::stou(info,value);else
|
||
#define xml_parse_to_float(name,value) if(hgl::strcmp(flag,name)==0)hgl::stof(info,value);else
|
||
#define xml_parse_to_bool(name,value) if(hgl::strcmp(flag,name)==0)hgl::stob(info,value);else
|
||
|
||
/** 使用范例:
|
||
|
||
<root>
|
||
<role name="Bill" sex="true" age="18"/>
|
||
<role name="Lucy" sex="false" age="17"/>
|
||
</root>
|
||
|
||
void StartElement(const char *element_name,const char **atts) override
|
||
{
|
||
if(strcmp(element_name,"role")==0)
|
||
{
|
||
std::string name;
|
||
bool sex;
|
||
int age;
|
||
|
||
XML_START_PARSE(atts)
|
||
|
||
xml_parse_string_u8(name)
|
||
xml_parse_bool(sex)
|
||
xml_parse_int(age)
|
||
|
||
XML_END_PARSE
|
||
}
|
||
}
|
||
*/
|
||
}//namespace hgl
|
||
#endif//HGL_XML_PARSE_INCLUDE
|