BigDataProject/util.hpp

/// Part of BigData Project. Included By Main.cpp .
/// This file should not be included by other files.

/// 薪资空间,平均值 单位:元,月薪
struct cash_pack
{
    int low,high;

    int ave() const {return (low+high)/2;}
};

/// 为map设计的比较算法
bool operator < (const cash_pack& a,const cash_pack& b)
{
    if(a.low==b.low)
    {
        return a.high<b.high;
    }
    else return a.low<b.low;
}

/// 解析薪资空间信息
cash_pack ParseCash(const char* ptr)
{
    cash_pack pk;

    auto strange=[&]()
    {
        cout<<"Strange: "<<ptr<<endl;
        system("pause");
    };

    char* p=strstr(ptr,"-");
    if(p==nullptr)
    {
        if( strstr(ptr,"以上")!=nullptr || strstr(ptr,"以下")!=nullptr)
        {
            int t;
            sscanf(ptr,"%d",&t);
            pk.low=pk.high=t*1000;
        }
        else
        {
            strange();
        }
    }
    else
    {
        int alow,ahigh;
        sscanf(ptr,"%d",&alow);
        sscanf(p+1,"%d",&ahigh);
        pk.low=alow*1000;
        pk.high=ahigh*1000;
    }

    return pk;
}

cash_pack ParseCashX(const char* ptr)
{
    cash_pack pk;

    auto strange=[&]()
    {
        cout<<"Strange: "<<ptr<<endl;
        system("pause");
    };

    char* p=strstr(ptr,"-");
    if(p==nullptr)
    {
        /// 此处由bigdata5数据库直接得出结论,谨慎使用！
        /// 单位：元/天 -> [ x30 ] 转换到 -> 元/月 , low=high
        int c;
        sscanf(ptr,"%d",&c);
        pk.low=pk.high=c*30;
    }
    else
    {
        double dlow,dhigh;
        sscanf(ptr,"%lf",&dlow);
        sscanf(p+1,"%lf",&dhigh);

        /// 解析单位
        if(strstr(ptr,"千")!=nullptr||strstr(ptr,"k")!=nullptr||strstr(ptr,"K")!=nullptr)
        {
            dlow*=1000;
            dhigh*=1000;
        }
        else if(strstr(ptr,"万")!=nullptr)
        {
            dlow*=10000;
            dhigh*=10000;
        }
        else if(strstr(ptr,"元")!=nullptr)
        {

        }
        else
        {
            cout<<"strange: 单位错误"<<endl;
            strange();
        }

        /// 解析日期单位
        if(strstr(ptr,"天")!=nullptr)
        {
            pk.low=dlow*30;
            pk.high=dhigh*30;
        }
        else if(strstr(ptr,"月")!=nullptr)
        {
            pk.low=dlow;
            pk.high=dhigh;
        }
        else if(strstr(ptr,"年")!=nullptr)
        {
            pk.low=dlow/12;
            pk.high=dhigh/12;
        }
        else
        {
            if(strstr(ptr,"/")==nullptr)
            {
                /// 默认情况月薪
                pk.low=dlow;
                pk.high=dhigh;
            }
            else
            {
                cout<<"strange: 时间单位错误"<<endl;
                strange();
            }
        }
    }

    return pk;
}

/// 解析tag
vector<string> ParseTag(const char* str)
{
    vector<string> vec;

    char* s=(char*)str;
    char* p=nullptr;
    char buff[256];
    while(nullptr!=
          (p=strstr(s,","))
          )
    {
        memset(buff,0,256);
        strncpy(buff,s,p-s);
        vec.push_back(string(buff));
        s=p+1;
    }

    int len=strlen(str);
    if(s<str+len)
    {
        memset(buff,0,256);
        strcpy(buff,s);
        vec.push_back(string(buff));
    }

    return vec;
}

vector<string> ParseTagX(const char* str)
{
    vector<string> vec;

    char* s=(char*)str;
    char* p=nullptr;
    char buff[256];
    while( (nullptr!=(p=strstr(s,"/"))) ||
            (nullptr!=(p=strstr(s,","))) )
    {
        memset(buff,0,256);
        strncpy(buff,s,p-s);

        /// Recheck
        for(int i=0;i<(p-s);i++)
        {
            if(buff[i]==',')
            {
                buff[i]=0;
                break;
            }
        }

        vec.push_back(string(buff));
        s=p+1;
    }

    int len=strlen(str);
    if(s<str+len)
    {
        memset(buff,0,256);
        strcpy(buff,s);
        vec.push_back(string(buff));
    }

    return vec;
}

/// 解析int
int ParseInt(const char* str)
{
    int cc;
    sscanf(str,"%d",&cc);
    return cc;
}

string Trim(const string& str)
{
    int sz=str.size();
    int L=-1;
    int R=-1;
    for(int i=0;i<sz;i++)
    {
        if(str[i]==' '||str[i]=='\t'||str[i]=='\n'||str[i]=='\r')
        {
            continue;
        }
        else
        {
            L=i;
            break;
        }
    }
    if(L==-1)
    {
        /// All characters are [Space].
        return "";
    }
    for(int i=sz-1;i>=0;--i)
    {
        if(str[i]==' '||str[i]=='\t'||str[i]=='\n'||str[i]=='\r')
        {
            continue;
        }
        else
        {
            R=i;
            break;
        }
    }
    if(R==-1)
    {
        /// All characters are [Space].
        return "";
    }

    return str.substr(L,R-L+1);
}