//读取一个单词
const char* CXML::ReadWord(const char* xml,char* word,int bufsize,TAG **ppTag)
{
assert(bufsize>0 && word);
char* tempWord = word;
*tempWord = '\0';
xml = SkipBlank(xml);
//名称可以以字母,数字,下划线,[,]开头, 中间可以夹杂 点, 冒号, 破折号,[].
if( xml && *xml
&& ( IsAlphaNum((unsigned char) *xml)
|| IsAlpha((unsigned char) *xml)
|| *xml == '_'
|| *xml == '['
|| *xml == ']') )
{
while( xml && *xml
&& ( IsAlphaNum( (unsigned char ) *xml )
|| *xml == '_'
|| *xml == '-'
|| *xml == '.'
|| *xml == ':'
|| *xml == '['
|| *xml == ']') )
{
*tempWord++ = *xml++;
}
*tempWord = '\0';
}
return SkipBlank(xml);
}
void BeginParse(struct out *firstOUT, struct info *in)
{
const char *gfwStart, *gfwEnd;
gfwEnd = gfwStart = in->decodeGFWlist;
char *buf = (char*)malloc(sizeof(in->proxy) + 48 * sizeof(char));
sprintf(buf, "{+forward-override{%s .}}\n", in->proxy);
appendtoOUT(firstOUT, buf);
free(buf);
gfwEnd = NextLine(gfwStart);//skip the first line :[AutoProxy 0.2.9]
do
{
gfwStart = SkipBlank(gfwEnd);
gfwEnd = NextLine(gfwStart);
// apple appple apppple\n apppple......
// ^ ^
// | |
// start end
if (*gfwStart == '\0' || *gfwEnd == '\0')
{//meet the end of in->decodeGFWlist
break;
}
else
{
appendtoOUT(firstOUT, parseALine(gfwStart, gfwEnd));
}
} while (1);
}
//读取元素的属性 '>'结束
const char* CXML::readAttrib(Element &e,const char* xml)
{
char szBuf[80];
Attribute attrib;
TAG *tag = 0;
do{
xml = ReadWord(xml,szBuf,80,&tag);
//if(tag)
// return (this->*(tag->parseFun))(xml);
if(!szBuf[0])
break;
attrib.SetName( szBuf );
xml = SkipBlank(xml);
if(*xml != '=')
throw XMLException("属性赋值不正确,缺少=号");
xml++;
xml = SkipBlank(xml);
if(*xml != '"')
throw XMLException("属性赋值不正确,缺少\"号");
xml++;
//read value
xml = ReadText(xml,attrib.GetValue(),"\"");
//if(!szBuf[0])
// throw XMLException("属性赋值不正确");
//attrib.value=szBuf;
//if(*xml != '"')
// throw XMLException("属性赋值不正确");
xml++;
e.attrib.push_back(attrib);
xml = SkipBlank(xml);
}while(1);
return xml;
}
//元素结束 <![CDATA[
const char* CXML::parseCDataBegin(const char* xml)
{
xml = SkipTo(xml,"<![CDATA[");
//读值
const char* xmlNext = Find(xml,"]]>");
if(!xmlNext)
throw XMLException("CDATA未正确关闭");
Element* pElement = new DataElement;
if(xmlNext > xml)
{
size_t n = xmlNext-xml;
pElement->value.append(xml,n);
}
m_pcr->AddSubElement(pElement);
return SkipBlank(xmlNext+3);
}
//解析xml文本
bool CXML::Parse(const char* xmlText,size_t size/*=0*/)
{
Clear( );
if(xmlText == 0)
return false;
if(size)
m_xmlEndTemp = xmlText+size;
else
m_xmlEndTemp = xmlText+strlen(xmlText);
xmlText = Find(xmlText,"<");
if(xmlText == 0)
throw XMLException("无标签");
const char* msg = xmlText;
TAG *tag = 0;
try{
while(*msg && msg<m_xmlEndTemp)
{
tag = 0;
msg = ReadTag(msg,&tag);
if(tag == 0)
break;
msg = SkipBlank((this->*(tag->parseFun))(msg));
}
}
catch( const XMLException& e )
{
if(msg<m_xmlEndTemp){
std::string strmsg = e.what();
size_t len = m_xmlEndTemp>msg? m_xmlEndTemp-msg : 0;
if( tag!=0 )
{
if(len>80) len=80;
strmsg += ". 在:";
strmsg.append(msg,len);
strmsg += "....附近!";
}
std::ofstream file_dump;
SYSTEMTIME sysTime;
GetLocalTime(&sysTime);
char _name[256];
sprintf_s( _name,"%s_%d_%d_%d_.txt","xml_exception",sysTime.wHour,sysTime.wSecond,sysTime.wMinute );
file_dump.open(_name,std::ios::out);
if(file_dump.is_open())
file_dump.write(xmlText,(std::streamsize)strlen(xmlText));
file_dump.close();
m_xmlEndTemp = 0;
throw XMLException(strmsg.c_str());
}
}
m_xmlEndTemp = 0;
if(m_pcr != &m_root)
throw XMLException("标签未正确关闭");
if(m_pcr->subElement.size()!=1)
throw XMLException("有且只能有一个根元素");
return true;
}