/* MWget - A Multi download for all POSIX systems.
* Homepage:
http://mwget.sf.net
* Copyright (C) 2005- rgwan,xiaosuo
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <iostream>
#include <stdio.h>
#include "i18n.h"
#include <stdlib.h> //getenv要用。
#include <string.h> //strcat
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h> //stat
#include <limits.h>
#define FAIL_RECORD_SAVE_FILE "/.mwget-history" //文件名，在~下，要加/
#define LINE 1024
#define echo(String) printf("%s\n",String)
#define MAX_ITEM 25
char fail_record_url[MAX_ITEM+3][LINE];//URL
//char **fail_record_file;//文件位置
char fail_record_file[MAX_ITEM+3][LINE];
//最大25组。防备溢出
char isdata=0;
unsigned char izdata=0;//行数
//Y长度最大1024个，X长度最大50组。
//遵循FIFO
char *CR="\r";
char *LF="\n";
char fail_record_ignore=0;//跳过
char fail_record_allno=0;//取消
//Sorry啊，水平……只会C.和PHP.就不用C++写法了……
//这里不是51单片机，就放开了写吧，反正内存很大。
//把生成临时文件的代码抄过来
//想法是开始将URL和本地的路径保存到文件里
//然后下完了注销
//至于当时下载的环境嘛……就不去复原了。
//函数: str_replace
//功能: 将字符串s中所有f的内容替换成r的内容
//返回: 新字符串的地址(使用free释放), 失败返回0。
//Usage:后字符串=str_replace(原字符串, 需要替换的内容, 替换的内容);
//现在我发现程序写的越来越乱了
static char* substr(const char*str, unsigned start, unsigned end)
{
unsigned n = end - start;
static char stbuf[256];
strncpy(stbuf, str + start, n);
stbuf[n] = 0;
return stbuf;
}
char *replace(char *source, char *sub, char *rep)
{
char *result;
/*pc1 是复制到结果result的扫描指针*/
/*pc2 是扫描 source 的辅助指针*/
/*pc3 寻找子串时,为检查变化中的source是否与子串相等,是指向sub的扫描指针 */
/*找到匹配后,为了复制到结果串,是指向rep的扫描指针*/
char *pc1, *pc2, *pc3;
int isource, isub, irep;
isub = strlen(sub); /*对比字符串的长度*/
irep = strlen(rep); /*替换字符串的长度*/
isource= strlen(source); /*源字符串的长度*/
if(NULL == *sub)
return strdup(source);
/*申请结果串需要的空间*/
result = (char *)malloc(( (irep > isub) ? (float)strlen(source) / isub* irep+ 1:isource ) * sizeof(char));
pc1 = result; /*为pc1依次复制结果串的每个字节作准备*/
while(*source != NULL)
{
/*为检查source与sub是否相等作准备,为pc2,pc3 赋初值*/
pc2 = source;
pc3 = sub;
/* 出循环的（任一）条件是：
* *pc2 不等于 *pc3 （与子串不相等）
* pc2 到源串结尾
* pc3 到源串结尾 （此时,检查了全部子串,source处与sub相等）
*****************************************************/
while(*pc2 == *pc3 && *pc3 != NULL && *pc2 != NULL)
pc2++, pc3++;
/* 如果找到了子串,进行以下处理工作*/
if(NULL == *pc3)
{
pc3 = rep;
/*将替代串追加到结果串*/
while(*pc3 != NULL)
*pc1++ = *pc3++;
pc2--;
source = pc2;
/* 检查 source与sub相等的循环结束后，
* pc2 对应的位置是在 sub 中串结束符处。该是源串中下一个位置。
* 将 source 指向其前面一个字符。
***************************************************/
}
else /*如果没找到子串,下面复制source所指的字节到结果串*/
*pc1++ = *source;
source++; /* 将source向后移一个字符*/
}
*pc1 = NULL;
return result;
}
int ReplaceStr(char* sSrc, char* sMatchStr, char* sReplaceStr)
{
int StringLen;
char caNewString[64];
char* FindPos;
FindPos =(char *)strstr(sSrc, sMatchStr);
if( (!FindPos) || (!sMatchStr) )
return -1;
while( FindPos )
{
memset(caNewString, 0, sizeof(caNewString));
StringLen = FindPos - sSrc;
strncpy(caNewString, sSrc, StringLen);
strcat(caNewString, sReplaceStr);
strcat(caNewString, FindPos + strlen(sMatchStr));
strcpy(sSrc, caNewString);
FindPos =(char *)strstr(sSrc, sMatchStr);
}
free(FindPos);
return 0;
}
char *get_History_File_Name()
{
return strcat(getenv("HOME"),FAIL_RECORD_SAVE_FILE);
}
char *ReadData(FILE *fp, char *buf)
{
//char *temp;
char *i;
i = fgets(buf, LINE, fp);//读取一行到buf
//buf=str_replace(buf,"\r","");//替换掉回车换行。
//buf=str_replace(buf,"\n","");
return i;
}
void add_line(char *buf)//存入数组函数
{//ReplaceStr(char* sSrc, char* sMatchStr, char* sReplaceStr)
char *tempbuff;
tempbuff=buf;
//echo("5SB");
ReplaceStr(tempbuff,CR,"");
//echo("7SB");
ReplaceStr(tempbuff,LF,"");
//echo("6SB");
if (isdata==0)
{
isdata=1;
//strcpy(fail_record_url[izdata],buf);
sprintf(fail_record_url[izdata],"%s",tempbuff);
//printf("DEBUG\n");
printf("fail_record_url[%i]=%s\n",izdata,fail_record_url[izdata]);//fail_record_url[izdata]);
}
else
{
isdata=0;
//strcpy(fail_record_file[izdata],buf);//=buf;//这里的操作你自己定义
sprintf(fail_record_file[izdata],"%s",tempbuff);
//printf("DEBUG1\n");
printf("fail_record_file[%i]=%s\n",izdata,fail_record_file[izdata]);//fail_record_file[izdata]);
izdata++;
}
}
char fail_record_touch(char *filename)//创建空文件
{
FILE *fd;
if ((fd=fopen(filename, "w"))==NULL)
{
//echo("fclose(fp)");
return 0;//没用
}
{
echo("fclose(fp)");
fclose(fd);
return 1;//成功
}
}
char *get_abs_path(char *path)
{
char currentDir[PATH_MAX];
char *temp;
char *temp2;
char abs;
#ifdef WIN32 //还要兼容M$
temp=substr(path,1,2);
if (strcmp(temp,":")==0)
{abs=1;}
else
{abs=0;}
#endif
#ifndef WIN32 //兼容Linux的代码,绝对路径的第一个字符是'/'
temp=substr(path,0,1);
if (strcmp(temp,"/")==0)
{abs=1;}
else
{abs=0;}
#endif
if(abs==1)
{//是绝对路径
return path;
}else
{//不是绝对路径
if( getcwd( currentDir, sizeof(currentDir)-1 ) != NULL )
{//substr(const char*str, unsigned start, unsigned end)
if (strcmp(path,".")==0)
{temp2="";}
else
{temp2=path;}
#ifdef WIN32
temp= strcat(currentDir,"\\");
#endif
#ifndef WIN32
temp= strcat(currentDir,"/");
#endif
temp = strcat(temp,temp2);
temp = replace(temp,"//","/");
#ifdef WIN32
temp = replace(temp,"\\\\","\\");
#endif
return temp;
}
else
{
return 0;//返回错误
}
}
}
char fail_record_readrecord()//这个是读文件的函数
{
izdata=0;//初始化指针。
/*
char *realfilename;
realfilename=strcat(getenv("HOME"),FAIL_RECORD_SAVE_FILE);
fd = fopen(realfilename, "r"); //开文件，只读。
if(fd == NULL){
cerr<<_("Can not access the cache file: ")<<realfilename<<_(" ,Ignore.")<<endl;
return -1;
}
*/
FILE *fp;
char *buf, *p;
char *realfilename;
printf("$HOME=%s\n",getenv("HOME"));
realfilename=get_History_File_Name();
printf("$FILENAME=%s\n",realfilename);
echo("fclose(fp)A");
fp=fopen(realfilename, "r");
echo("fclose(fp)1");
if (fp==NULL)
{
echo("NULL");
return 0;
}
else
{
//echo("SB");
buf=(char*)malloc(LINE*sizeof(char));
while(1) {
//echo ("2SB");
p=ReadData(fp, buf);//每次调用文件指针fp会自动后移一行
//echo ("3SB");
if(!p)//文件读取结束则跳出循环
break;
//echo ("4SB");
add_line(buf);
}
echo("fclose(fp)");
fclose(fp);
return 1;
}
/*
//printf("%s\n",_("Can not open cache file to read."));
if (fail_record_touch(realfilename)!=0)
{//新建文件成功
//fclose(fp);
return 1;
}
*/
// else
//{
//echo("fclose(fp)2");
//fclose(fp);
// return 0;//返回失败码
// }
//}
/*
//printf("%s\n",replace("aabbccdd\n\n","",""));
buf=(char*)malloc(LINE*sizeof(char));
while(1) {
p=ReadData(fp, buf);//每次调用文件指针fp会自动后移一行
if(!p)//文件读取结束则跳出循环
break;
add_line(buf);
}
echo("fclose(fp)");
fclose(fp);
return 1;
*/
}
char fail_record_saverecord()//写文件函数
{
unsigned char i=0;
FILE *fv;
char *temp;
char *rfn;
char j;
j=(izdata+1);
rfn=getenv("HOME"); //这里我相当奇怪。
//如果写strcat(getenv("HOME"),FAIL_RECORD_SAVE_FILE)
//返回就是$HOME/.mwget-history/.mwget-history
//真的相当奇怪。
//memset(rfn,0,sizeof(rfn));
//memset(rfn,0,sizeof(rfn));
//echo(FAIL_RECORD_SAVE_FILE);
echo(rfn);
fv=fopen(rfn, "w+");
printf("izdata=%i\n",izdata);
//printf("%i",fail_record_touch(rfn));
//fwrite("dummy",strlen("dummy"),1,fv);
if (fv==NULL)
{
printf("No\n");
//fclose(fp);
return 0;//不成功
}
else
{
while(i!=j)//循环直到数组结束
{
printf("i=%i,j=%i",i,j);
if (strcmp(fail_record_url
,"")==0) //如果这个数的值为“”的话
{//神马都不做
echo("There");
}
else
{
echo("Here");
temp=strcat(fail_record_url,LF);//先写URL，后写FILE。和读取顺序对准。后面加个LF来换行
fwrite(temp,strlen(temp),1,fv);
temp=strcat(fail_record_file,LF);
fwrite(temp,strlen(temp),1,fv);
}
i++;
}
fclose(fv);
return 1;
}
}
void fail_record_unset_by_url()//这个是解注册函数
{
}
char fail_record_unset_by_id(unsigned char id)//这个是解注册函数
{
//这个相当简单，删掉ID值指向的数组，然后写盘。
char temp=0;
if (fail_record_readrecord()==0)
{
return 0;
}
else
{
if (id>=(MAX_ITEM+1))
{
return 0;
}
else
{
sprintf(fail_record_url[id],"%s","");
sprintf(fail_record_file[id],"%s","");
if (fail_record_saverecord()==0)//写盘
{//不成功
return 0;
}
else
{
if (fail_record_readrecord()==0)
{
return 0;
}
else
{
return 1;
}//重载
}
}
}
}
void fail_record_registry(char *filename,const char *url)
{
char *filetemp;
unsigned char temp;
filetemp=get_abs_path(filename); //标记绝对文件名
printf("FILETEMP=%s,FILEURL=%s\n",filename,url);
printf("OK=%i",fail_record_readrecord()); //读入原来的数据
if (filetemp==0)
{//有问题了。
}
else
{
temp=izdata+1;
if (izdata>=(MAX_ITEM+1))
{//超限
fail_record_unset_by_id(0);//FIFO,把原来的烂帐删掉。
temp=izdata+1;//这下就可以插入了
sprintf(fail_record_file[temp],"%s",filetemp);
sprintf(fail_record_url[temp],"%s",url);
}
else
{//直接插
sprintf(fail_record_file[temp],"%s",filetemp);
sprintf(fail_record_url[temp],"%s",url);
}
}
izdata++;
printf("\nOK=%i\n",fail_record_saverecord());
}
/*
void fail_record_registry_url(char *url)
{
char *filetemp;
unsigned char temp;
filetemp=get_abs_path(filename); //标记绝对文件名
if (filetemp==0)
{//有问题了。
}
else
{
temp=izdata+1;
if (izdata>=(MAX_ITEM+1))
{//超限
fail_record_unset_by_id(0);//FIFO,把原来的烂帐删掉。
temp=izdata+1;//这下就可以插入了
sprintf(fail_record_url[temp],"%s",url);
}
else
{//直接插
sprintf(fail_record_url[temp],"%s",url);
}
}
}
*/
void fail_record_check()//检查是否有没有完成的下载。
{
}
这个代码相当奇怪。具体请看我说奇怪的注释～