first add files

inc/hgl/util/xml/XMLParse.h

@@ -0,0 +1,123 @@
+#ifndef HGL_XML_PARSE_INCLUDE
+#define HGL_XML_PARSE_INCLUDE
+
+#include<hgl/type/BaseString.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;
+    typedef struct XML_ParserStruct *XML_Parser;
+}
+
+namespace hgl
+{
+    namespace io
+    {
+        class InputStream;
+    }//namespace io
+
+    /**
+    * XML解析器(虚拟函数版)<br>
+    */
+    class XMLParse
+    {
+    protected:
+
+        XML_Parser xml;
+
+        virtual void StartParse();
+
+    public:
+
+        virtual void StartElement(const char *element_name,const char **atts)=0;
+        virtual void CharData(const char *str,int str_length){};
+        virtual void EndElement(const char *element_name){};
+
+    public:
+
+        XMLParse();
+        virtual ~XMLParse();
+
+        virtual void Start();
+        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);
+
+    /**
+    * XML解析器(回调函数版)
+    */
+    class XMLParseCB:public XMLParse
+    {
+    protected:
+
+        virtual void StartParse();
+
+    public:
+
+        DefEvent(void,OnStartElement,(const char *,const char **));
+        DefEvent(void,OnCharData,(const char *,int));
+        DefEvent(void,OnEndElement,(const char *));
+
+    public:
+
+        XMLParseCB();
+        virtual ~XMLParseCB()=default;
+    };//class XMLParseCB
+
+#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