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#2
rjsp2011-03-31 09:17
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程序代码：SEARCHTFILE
SEARCHTTEXFILE
SEARCHTPATHTEX
SEARCHTPATHTEXD
SEARCHTPORTRAIT
都是已经定义好的宏，替换的是if语句
程序中有多个for循环
代码如下：
程序代码：for(int i=0,k;i<nos;++i)
{
scp(ch,fls[idx[i].fi]->pth);
srp(ch,'\\','_');
k=gtlen(ch);
if(k>20&&!scma(ch+k-20,SLK_DESTRUCT))
{
Df(i);
int coli;
csk=new slk (fin,ch);
SEARCHTFILE
SEARCHTTEXFILE
SEARCHTPATHTEX
SEARCHTPATHTEXD
SEARCHTPORTRAIT
delete csk;
break;
}
}
for(int i=0,k;i<nos;++i)
{
scp(ch,fls[idx[i].fi]->pth);
srp(ch,'\\','_');
k=gtlen(ch);
if(k>12&&!scma(ch+k-12,SLK_ITEMDATA))
{
Df(i);
int coli;
csk=new slk (fin,ch);
SEARCHTFILE
delete csk;
break;
}
}
for(int i=0,k;i<nos;++i)
{
scp(ch,fls[idx[i].fi]->pth);
srp(ch,'\\','_');
k=gtlen(ch);
if(k>12&&!scma(ch+k-12,SLK_UNITDATA))
{
Df(i);
int coli;
csk=new slk (fin,ch);
SEARCHTPATHTEX
delete csk;
break;
}
}
for(int i=0,k;i<nos;++i)
{
scp(ch,fls[idx[i].fi]->pth);
srp(ch,'\\','_');
k=gtlen(ch);
if(k>10&&!scma(ch+k-10,SLK_UNITUI))
{
Df(i);
int coli;
csk=new slk (fin,ch);
SEARCHTFILE
delete csk;
break;
}
}
for(int i=0,k;i<nos;++i)
{
scp(ch,fls[idx[i].fi]->pth);
srp(ch,'\\','_');
k=gtlen(ch);
if(k>11&&!scma(ch+k-11,SLK_DOODAD))
{
Df(i);
int coli;
csk=new slk (fin,ch);
SEARCHTFILE
SEARCHTPATHTEX2
delete csk;
break;
}
}
现在想用一个带参数的宏替换for语句，length替换k<11中的11，tag替换SLK_DOODAD
比如这样：
程序代码：#define SEARCH(length,tag,...)\
for(int i=0,k;i<nos;++i)\
{\
scp(ch,fls[idx[i].fi]->pth);\
srp(ch,'\\','_');\
k=gtlen(ch);\
\
if(k>length&&!scma(ch+k-length,tag))\
{\
Df(i);\
int coli;\
csk=new slk (fin,ch);\
##__VA_ARGS__\
delete csk;\
break;\
}\
}\
关键在
##__VA_ARGS__
，如果写SEARCH(20,SLK_DESTRUCT,SEARCHTFILE,SEARCHTTEXFILE,SEARCHTPATHTEX,SEARCHTPATHTEXD,SEARCHTPORTRAIT)
就变成了
程序代码：for(int i=0,k;i<nos;++i)
{
scp(ch,fls[idx[i].fi]->pth);
srp(ch,'\\','_');
k=gtlen(ch);
if(k>20&&!scma(ch+k-20,SLK_DESTRUCT))
{
Df(i);
int coli;
csk=new slk (fin,ch);
SEARCHTFILE,
SEARCHTTEXFILE,
SEARCHTPATHTEX,
SEARCHTPATHTEXD,
SEARCHTPORTRAIT,
delete csk;
break;
}
}
这样是不行的，因为SEARCHTFILE后边多了个逗号
现在问题是如何把它们后面的逗号去掉，各位大虾大神帮帮忙！
[ 本帖最后由 walkingsk 于 2011-3-31 08:45 编辑 ]