#include"dqp.h"
void queryEditor(int,int,int,int,int,int,int,int);
void createTableQuery(char[250],int,int,int,int);
void insertQuery(char[250],int,int,int,int);
void deleteQuery(char[250],int,int,int,int);
void selectQuery(char[250],int,int,int,int);
void updateQuery(char[250],int,int,int,int);
void tableInfo(char[250],int,int,int,int);
void tableList(char[5],int,int,int,int);
void primaryKey(char[20]);
void sort(char [100][10][50],int,int,int,int);
void help();
void main()
{
char user[50],password[50];
int gm=DETECT,gd,button,x,y;
initgraph(&gm,&gd,"c:\\tc\\bgi");
initmouse();
MyWindow(0,0,630,470,"Database Query Processor");
restrictmouseptr(1,1,629,469);
showmouseptr();
setcolor(LIGHTRED);
settextstyle(4,0,5);
outtextxy(180,20,"WELCOME TO");
setcolor(YELLOW);
settextstyle(10,0,5);
outtextxy(30,60,"DATABASE QUERY");
outtextxy(145,140,"PROCESSOR");
setcolor(RED);
outtextxy(31,61,"DATABASE QUERY");
outtextxy(146,141,"PROCESSOR");
setcolor(BLUE);
settextstyle(0,0,2);
outtextxy(10,350,"Developed By:");
setcolor(BLACK);
settextstyle(8,0,2);
outtextxy(10,400,"Manik");
outtextxy(10,430,"Garg");
outtextxy(150,400,"Abhishek");
outtextxy(150,430,"Mairh");
outtextxy(300,400," Somil");
outtextxy(300,430,"Kr. Gupta");
outtextxy(500,400,"Ravindra");
outtextxy(500,430," Saini");
setcolor(BLACK);
Button(240,250,100,30,"Continue",0);
readMouse(240,250,100,30,"Continue");
/* ------------ mm -------------- */
setcolor(WHITE);
MyWindow(150,100,300,180,"Login");
setcolor(BLUE);
outtextxy(160,150,"Login: ");
outtextxy(160,180,"Password: ");
TextBox(250,150,150,20);
TextBox(250,180,150,20);
Button(220,230,60,30," OK",0);
Button(320,230,80,30,"Cancel",0);
strcpy(user,getString(253,153,150,20,1));
strcpy(password,getString(253,183,150,20,0));
if(strcmp(user,"Admin")==0
&& strcmp(password,"password")==0)
{
Button(220,230,60,30," OK",2);
readMouse(220,230,60,30," OK");
Button(220,230,60,30," OK",2);
initgraph(&gm,&gd,"c:\\tc\\bgi");
MyWindow(0,0,630,470,"Database Query Processor");
setcolor(BLACK);
outtextxy(10,40,"Submit your query here (click to submit query)" );
TextBox(5,60,620,100);
outtextxy(10,180,"Query Output");
TextBox(5,200,620,250);
initmouse();
restrictmouseptr(1,1,629,469);
showmouseptr();
queryEditor(5,60,620,100,5,200,620,250);
}
else
{
readMouse(320,230,80,30,"Cancel");
getch();
}
getch();
}
void queryEditor(int ix,int iy,int iw,int ih,int ox,int oy,int ow,int oh)
{
struct ffblk ffblk;
char sql[250],tableName[20];
int l;
while(strcpy(sql,getString(ix+3,iy+3,iw,ih,1)))
{
setcolor(BLUE);
bar(ix+3,iy+3,ix+iw,iy+ih);
if(strncmpi(sql,"QUIT",4)==0)
{
bar(ox+3,oy+3,ox+ow,oy+oh);
messageBox(220,100,190," Thanks for using, Database Query, Processor","Thanks");
outtextxy(ox+3,oy+3,"Thanks");
return;
}
else if(strncmpi(sql,"CREATE TABLE",12)==0)
{
createTableQuery(sql,ox,oy,ow,oh);
}
else if(strncmpi(sql,"SELECT",6)==0)
{
selectQuery(sql,ox,oy,ow,oh);
}
else if(strncmpi(sql,"INSERT INTO",11)==0)
{
insertQuery(sql,ox,oy,ow,oh);
}
else if(strncmpi(sql,"UPDATE",6)==0)
{
updateQuery(sql,ox,oy,ow,oh);
}
else if(strncmpi(sql,"DELETE FROM",11)==0)
{
deleteQuery(sql,ox,oy,ow,oh);
}
else if(strncmpi(sql,"HELP",4)==0)
{
help();
}
else if(strncmpi(sql,"TABLE INFO",10)==0)
{
tableInfo(sql,ox,oy,ow,oh);
}
else if(strncmpi(sql,"TABLE LIST",10)==0)
{
strcpy(sql,substr(sql,11,strlen(sql)));
if(locstrchar(sql,';')>0)
strcpy(sql,substr(sql,0,locstrchar(sql,';')-1));
if(strcmp(sql,"")==0)
strcpy(sql,"*.dbf");
tableList(sql,ox,oy,ow,oh);
}
else if(strncmpi(sql,"DROP TABLE",10)==0)
{
strcpy(tableName,substr(sql,11,strlen(sql)));
l=locstrchar(tableName,';');
if(l>0)
strcpy(tableName,substr(tableName,0,l-1));
else
{
error(ox,oy,ow,oh,"statement is not properly ended");
return;
}
strcpy(tableName,ltrim(tableName));
strcpy(tableName,rtrim(tableName));
strcat(tableName,".dbf");
if(findfirst(tableName,&ffblk,0)==0)
{
remove(tableName);
bar(ox+3,oy+3,ox+ow,oy+oh);
outtextxy(ox+3,oy+3,"table dropped successfully.");
}
else
{
bar(ox+3,oy+3,ox+ow,oy+oh);
outtextxy(ox+3,oy+3,"table does not exist.");
}
}
else if(strstr(strupr(sql),"CLEAR SCREEN")!=NULL)
{
bar(ox+3,oy+3,ox+ow,oy+oh);
}
else if(strcmpi(sql,"")==0)
{
}
else
{
setcolor(BLUE);
bar(ox+3,oy+3,ox+ow,oy+oh);
outtextxy(ox+3,oy+3,"Invalid DQP command.");
}
}
}
/* --------------------- function to create table ------------------ */
void createTableQuery(char sql[250],int ox,int oy,int ow,int oh)
{
FILE *fp;
char sql1[250],tableName[20],fields[10][32],datatypes[10][15];
int f,l1,l,i,size,recCount=0,j,fieldsCount,pos[20],pk;
strcpy(tableName,"");
for(i=0;i<10;i++)
{
strcpy(fields[i],"");
strcpy(datatypes[i],"");
}
strcpy(sql1,substr(sql,13,strlen(sql)));
strcpy(sql1,ltrim(sql1));
l=locstrchar(sql1,'(');
if(l>0)
strcpy(tableName,substr(sql1,0,l-1));
l=locstrchar(tableName,' ');
if(l>0)
strcpy(tableName,substr(tableName,0,l-1));
i=0;
l=locstrchar(sql,'(');
if(l>0)
strcpy(sql1,substr(sql,l,strlen(sql)));
else
{
error(ox,oy,ow,oh,"Syntax error");
return;
}
l=locstrchar(sql1,';');
if(l==0)
{
error(ox,oy,ow,oh,"DQP is not ended properly");
return;
}
strcpy(sql1,substr(sql1,locstrchar(sql1,'(')+1,locstrchar(sql1,';')-1));
strcpy(sql1,ltrim(sql1));
i=0;
j=0;
l=0;
f=0;
while(sql1[l]!=';')
{
if(f==0)
{
fields[i][j++]=sql1[l];
if(sql1[l]==' ')
{
fields[i][j-1]='\0';
//strcpy(fields[i],trim(fields[i]));
while(sql1[l++]==' ');
l--;
l--;
j=0;
f=1;
}
}
else
{
datatypes[i][j++]=sql1[l];
if(sql1[l]==' ' || sql1[l]==')')
{
datatypes[i][j]='\0';
if(datatypes[i][j-2]==',')
datatypes[i][j-2]='\0';
if(datatypes[i][j-2]=='y' && datatypes[i][j-1]==')')
datatypes[i][j-1]='\0';
//strcpy(datatypes[i],trim(datatypes[i]));
while(sql1[l]==' ' || sql1[l]==')' || sql1[l]==',')
l++;
l--;
i++;
j=0;
f=0;
}
}
l++;
}
fields[i][j]='\0';
datatypes[i][j]='\0';
l1=strlen(datatypes[i]);
if(strcmp(datatypes[i],")")==0)
{
strcpy(datatypes[i],"");
i--;
}
size=0;
pk=0;
fieldsCount=i;
if(fieldsCount==0)
{
error(ox,oy,ow,oh,"no column.");
return;
}
for(l=0;l<fieldscount;l++)>
{
if(strncmpi(datatypes[l],"NUMBER",6)==0)
{
strcpy(sql1,substr(datatypes[l],7,strlen(datatypes[l])-2));
size=size+atoi(sql1);
}
else if(strncmpi(datatypes[l],"STRING",6)==0)
{
strcpy(sql1,substr(datatypes[l],7,strlen(datatypes[l])-2));
size=size+atoi(sql1);
}
else if(strcmpi(datatypes[l],"KEY")==0)
{
if(pk>0)
{
error(ox,oy,ow,oh,"More than one primary keys");
return;
}
pk=l;
for(l1=l;l1<i;l1++)>
{
strcpy(fields[l1],fields[l1+1]);
strcpy(datatypes[l1],datatypes[l1+1]);
}
strcpy(fields[l1],"");
strcpy(datatypes[l1],"");
l--;
i--;
fieldsCount--;
}
else
{
bar(ox+3,oy+3,ox+ow,oy+oh);
outtextxy(ox+3,oy+3,"unknown column datatype");
return;
}
}
strcat(tableName,".dbf");
fp = fopen(tableName,"r");
if(fp!=NULL)
{
bar(ox+3,oy+3,ox+ow,oy+oh);
outtextxy(ox+3,oy+3,tableName);
outtextxy(ox+100,oy+3,"already exists.");
}
else
{
fp = fopen(tableName,"w");
fprintf(fp,"%d\t%d\t%d\t%d\t",fieldsCount,size,recCount,pk);
for(l=0;l<fieldscount;l++)>
{
fprintf(fp,"%s\t%s\t",fields[l],datatypes[l]);
}
fprintf(fp,"\n");
fclose(fp);
bar(ox+3,oy+3,ox+ow,oy+oh);
outtextxy(ox+3,oy+3,"table created successfully.");
/* input(tableName);
for(i=0;tableName[i]!='.';i++);
tableName[i+1]='d';
tableName[i+2]='b';
tableName[i+3]='f';
remove(tableName);*/
}
}
/* ------------ function to insert values into table --------------- */
void insertQuery(char sql[250],int ox,int oy,int ow,int oh)
{
FILE *fp;
struct ffblk ffblk;
char sql1[250],tableName[20],fields[10][32],datatypes[10][15];
int l,i,size,recCount,j,fieldsCount,pos[20],l1,pk;
char charData[10][50],data[10][50],buff[10][10];
strcpy(tableName,"");
for(i=0;i<10;i++)
{
strcpy(fields[i],"");
strcpy(datatypes[i],"");
strcpy(charData[i],"");
strcpy(data[i],"");
strcpy(buff[i],"");
}
l=12;
strcpy(sql1, substr(sql,12,strlen(sql) ));
strcpy(sql1,ltrim(sql1));
l1=locstrchar(sql1,' ');
strcpy(tableName,substr(sql1,0,l1-1));
strcpy(sql1,substr(sql1,l1+1,strlen(sql1)));
strcpy(sql1,ltrim(sql1));
l1=locstrchar(sql1,'(');
if(strncmpi(sql1,substr(sql1,0,l1),6)!=0)
{
error(ox,oy,ow,oh,"incorrect DQP syntax");
return;
}
/* strcat(tableName,".kmk");
decode(tableName);
for(i=0;tableName[i]!='.';i++);
tableName[i+1]='k';
tableName[i+2]='m';
tableName[i+3]='k';
remove(tableName);
tableName[strlen(tableName)-4]='\0';*/
strcat(tableName,".dbf");
if(locstrchar(sql1,')')==0 ||locstrchar(sql1,';')==0)
{
error(ox,oy,ow,oh,"DQP syntax is not properly ended");
return;
}
strcpy(sql1,substr(sql1,l1,strlen(sql1)-2));
if((fp = fopen(tableName,"r"))==NULL)
{
bar(ox+3,oy+3,ox+ow,oy+oh);
outtextxy(ox+3,oy+3,"Invalid table name.");
return;
}
else
{
fscanf(fp,"%d%d%d%d",&fieldsCount,&size,&recCount,&pk);
for(l=0;l<fieldscount;l++)>
{
fscanf(fp,"%s %s",fields[l],datatypes[l]);
}
l=1;
i=0;
j=0;
strcpy(sql1,substr(sql1,1,strlen(sql1)));
while(sql1[0]!=')')
{
if(locstrchar(sql1,',')>0)
strcpy(charData[i],substr(sql1,0,locstrchar(sql1,',')-1));
else
strcpy(charData[i],substr(sql1,0,locstrchar(sql1,')')-1));
strcpy(sql1,substr(sql1,strlen(charData[i]),strlen(sql1)));
strcpy(charData[i],ltrim(charData[i]));
strcpy(charData[i],rtrim(charData[i]));
strcpy(sql1,ltrim(sql1));
i++;
}
if(fieldsCount!=i)
{
bar(ox+3,oy+3,ox+ow,oy+oh);
outtextxy(ox+3,oy+3,"no. of values supplied mismatch.");
return;
}
for(j=0;j<fieldscount;j++)>
{
strcpy(buff[j],"%");
if(strncmpi(datatypes[j],"NUMBER",6)==0)
{
if(charData[j][0]=='\'')
{
error(ox,oy,ow,oh,"numeric data type mismatch or too long value");
return;
}
l=locstrchar(datatypes[j],')');
strcat(buff[j],substr(datatypes[j],7,l-1));
strcat(buff[j],"s\t");
}
else
{
if(charData[j][0]!='\'' || charData[j][strlen(charData[j])-1]!='\'')
{
error(ox,oy,ow,oh,"Invalid Character Data");
return;
}
l=locstrchar(datatypes[j],')');
strcat(buff[j],substr(datatypes[j],7,l-1));
strcat(buff[j],"s\t");
}
}
for(j=0;j<fieldscount;j++)>
{
strcpy(charData[j],ltrim(charData[j]));
if(charData[j][0]=='\'')
strcpy(charData[j],removeQuote(charData[j]));
}
if(pk)
for(i=0;i<reccount;i++)>
{
fgetc(fp);
for(j=0;j<fieldscount;j++)>
{
fgetc(fp);
fscanf(fp,"%[^\t]",data[j]);
if(j==pk-1)
{
if(strncmpi(datatypes[j],"NUMBER",6)==0)
if(atol(charData[pk-1])==atol(data[pk-1]))
{
bar(ox+3,oy+3,ox+ow,oy+oh);
outtextxy(ox+3,oy+3,"Duplicate value in primary ley");
fclose(fp);
return;
}
else
if(strcmpi(charData[pk-1],data[pk-1])==0)
{
bar(ox+3,oy+3,ox+ow,oy+oh);
outtextxy(ox+3,oy+3,"Duplicate value in primary key");
fclose(fp);
return;
}
}
}
}
fclose(fp);
fp=fopen(tableName,"a");
for(j=0;j<fieldscount;j++)>
{
fprintf(fp,buff[j],charData[j]);
}
recCount++;
fprintf(fp,"\n");
fclose(fp);
fp = fopen(tableName,"r+");
fseek(fp,0L,SEEK_SET);
fprintf(fp,"%d\t%d\t%d\t%d\t",fieldsCount,size,recCount,pk);
fclose(fp);
if(recCount!=1)
primaryKey(tableName);
bar(ox+3,oy+3,ox+ow,oy+oh);
outtextxy(ox+3,oy+3,"1 row inserted successfully.");
/* input(tableName);
for(i=0;tableName[i]!='.';i++);
tableName[i+1]='d';
tableName[i+2]='b';
tableName[i+3]='f';
remove(tableName);*/
}
}
void deleteQuery(char sql[250],int ox,int oy,int ow,int oh)
{
FILE *fp,*ftemp;
struct ffblk ffblk;
char sql1[250],tableName[20],fields[10][32],datatypes[10][15];
char cfld[10][32],cval[10][32],opr[10][2],buff[10][10];
int l,recCount,size,recSize,j,fieldsCount,charCount,pk;
int pos[20],row,k,m,l1,c=0,show=0,i;
char charData[10][50],columns[10][32],str[20];
strcpy(tableName,"");
strcpy(str,"");
for(i=0;i<10;i++)
{
strcpy(fields[i],"");
strcpy(datatypes[i],"");
strcpy(cfld[i],"");
strcpy(cval[i],"");
strcpy(opr[i],"");
strcpy(buff[i],"");
strcpy(charData[i],"");
strcpy(columns[i],"");
}
l=7;
strcpy(sql1, substr(sql,7,strlen(sql) ));
if(strncmpi(sql1,"FROM",4)!=0)
{
error(ox,oy,ow,oh,"From clause is missing");
return;
}
strcpy(sql1,substr(sql1,5,strlen(sql1)));
l1=locstrchar(sql1,' ');
strcpy(tableName,substr(sql1,0,l1-1));
l=l+strlen(tableName)+5;
strcpy(sql1,substr(sql,l+1,strlen(sql)));
strcpy(sql1,ltrim(sql1));
l1=locstrchar(sql1,';');
if(l1==0)
{
error(ox,oy,ow,oh,"Statement is properly ended");;
return;
}
if(strlen(sql1)!=1)
if(strncmpi(sql1,"WHERE",5)!=0)
{
error(ox,oy,ow,oh,"WHERE clause is missing");
return;
}
l1=locstrchar(sql1,' ');
if(l1>0)
{
strcpy(sql1,substr(sql1,6,strlen(sql1)));
c=1;
}
else
{
c=0;
}
/* strcat(tableName,".kmk");
decode(tableName);
for(i=0;tableName[i]!='.';i++);
tableName[i+1]='k';
tableName[i+2]='m';
tableName[i+3]='k';
remove(tableName);
tableName[strlen(tableName)-4]='\0';*/
strcat(tableName,".dbf");
ftemp=fopen("temp.$$$","w+");
if((fp = fopen(tableName,"r"))==NULL)
{
bar(ox+3,oy+3,ox+ow,oy+oh);
outtextxy(ox+3,oy+3,"Invalid table name.");
return;
}
else
{
l1=locstrchar(sql1,'<');
if(l1==0)
l1=locstrchar(sql1,'>');
if(l1==0)
l1=locstrchar(sql1,'!');
if(l1>0)
{
strcpy(cfld[0],substr(sql1,0,l1-1));
strcpy(opr[0],substr(sql1,l1,l1));
if(strcmp(substr(sql1,l1+1,l1+1),"=")==0)
{
opr[0][1]='=';
opr[0][2]='\0';
strcpy(sql1,substr(sql1,l1+2,strlen(sql1)));
l1=locstrchar(sql1,';');
if(l1>0)
strcpy(cval[0],substr(sql1,0,l1-1));
}
else
{
opr[0][1]='\0';
strcpy(sql1,substr(sql1,l1+1,strlen(sql1)));
l1=locstrchar(sql1,';');
if(l1>0)
strcpy(cval[0],substr(sql1,0,l1-1));
}
}
else
{
l1=locstrchar(sql1,'=');
if(l1>0)
{
strcpy(cfld[0],substr(sql1,0,l1-1));
strcpy(opr[0],substr(sql1,l1,l1));
strcpy(sql1,substr(sql1,l1+1,strlen(sql1)));
l1=locstrchar(sql1,';');
if(l1>0)
strcpy(cval[0],substr(sql1,0,l1-1));
}
}
fscanf(fp,"%d%d%d%d",&fieldsCount,&size,&recCount,&pk);
fprintf(ftemp,"%d\t%d\t%d\t%d\t",fieldsCount,size,recCount,pk);
for(l=0;l<fieldscount;l++)>
{
fscanf(fp,"%s %s",fields[l],datatypes[l]);
fprintf(ftemp,"%s\t%s\t",fields[l],datatypes[l]);
}
fprintf(ftemp,"\n");
m=0;
for(k=0;k<reccount;k++)>
{
fgetc(fp);
for(j=0;j<fieldscount;j++)>
{ fgetc(fp);
fscanf(fp,"%[^\t]",charData[j]);
}
for(j=0;j<fieldscount;j++)>
{
strcpy(buff[j],"%");
l=locstrchar(datatypes[j],')');
strcat(buff[j],substr(datatypes[j],7,l-1));
strcat(buff[j],"s\t");
if(c==1 && strcmpi(cfld[0],fields[j])==0)
if(strncmpi(datatypes[j],"NUMBER",6)==0 )
switch(opr[0][0])
{
case '=':
show=(atoi(cval[0]) == atoi(charData[j]))?1:0;
break;
case '<':
if(opr[0][1]=='=')
show=(atoi(charData[j]) <= atoi(cval[0]))?1:0;
else
show=(atoi(charData[j]) < atoi(cval[0]))?1:0;
break;
case '>':
if(opr[0][1]=='=')
show=(atoi(charData[j]) >= atoi(cval[0]))?1:0;
else
show=(atoi(charData[j]) > atoi(cval[0]))?1:0;
break;
case '!':
if(opr[0][1]=='=')
show=(atoi(cval[0]) != atoi(charData[j]))?1:0;
break;
}
else
switch(opr[0][0])
{
case '=':
show=(strcmp(substr(cval[0],1,strlen(cval[0])-2),charData[j])==0 )?1:0;
break;
case '<':
if(opr[0][1]=='=')
show=(strcmp(charData[j],substr(cval[0],1,strlen(cval[0])-2))<=0)?1:0;
else
show=(strcmp(charData[j],substr(cval[0],1,strlen(cval[0])-2))<0)?1:0;
break;
case '>':
if(opr[0][1]=='=')
show=(strcmp(charData[j],substr(cval[0],1,strlen(cval[0])-2))>=0)?1:0;
else
show=(strcmp(charData[j],substr(cval[0],1,strlen(cval[0])-2))>0)?1:0;
break;
case '!':
if(opr[0][1]=='=')
show=(strcmp(cval[0],substr(charData[j],1,strlen(cval[0])-2))!=0)?1:0;
break;
}
}
if(show!=1 && c==1)
{
for(j=0;j<fieldscount;j++)>
fprintf(ftemp,buff[j],charData[j]);
fprintf(ftemp,"\n");
}
else
{
m++;
}
}
recCount-=m;
bar(ox+3,oy+3,ox+ow,oy+oh);
itoa(m,sql1,10);
strcat(sql1," row(s) deleted.");
outtextxy(ox+3,oy+3,sql1);
fclose(fp);
// fclose(ftemp);
fseek(ftemp,0L,SEEK_SET);
fprintf(ftemp,"%d\t%d\t%d\t%d\t",fieldsCount,size,recCount,pk);
fclose(ftemp);
remove(tableName);
rename("temp.$$$",tableName);
primaryKey(tableName);
}
}
void selectQuery(char sql[250],int ox,int oy,int ow,int oh)
{
FILE *fp;
struct ffblk ffblk;
char sql1[250],tableName[20],fields[10][32],datatypes[10][15],temp[25];
char cfld[10][32],cval[10][32],opr[10][2],buff[10][10];
int l,i,size,recCount,j,fieldsCount,charCount,pk;
int pos[20],row,k,m,l1,c=0,show=0,cc=0,fl[10];
char charData[10][50],columns[10][32];
strcpy(tableName,"");
strcpy(temp,"");
for(i=0;i<10;i++)
{
strcpy(fields[i],"");
strcpy(datatypes[i],"");
strcpy(cfld[i],"");
strcpy(cval[i],"");
strcpy(opr[i],"");
strcpy(charData[i],"");
strcpy(columns[i],"");
strcpy(buff[i],"");
fl[i]=0;
}
l=7;
strcpy(sql1, substr(sql,7,strlen(sql) ));
strcpy(sql1,ltrim(sql1));
l1=locstrchar(sql1,' ');
k=0;
if(l1>0)
{
while(1)
{
if(strlen(sql1)<=0)
break;
strcpy(sql1,substr(sql1,strlen(columns[k]),strlen(sql1)));
strcpy(sql1,ltrim(sql1));
l1=locstrchar(sql1,',');
if(l1>0)
{
strcpy(columns[k++],substr(sql1,0,l1-1));
strcpy(columns[k-1],rtrim(columns[k-1]));
}
if(l1==0)
{
l1=locstrchar(sql1,' ');
if(l1>0)
strcpy(columns[k++],substr(sql1,0,l1-1));
strcpy(sql1,substr(sql1,strlen(columns[k-1]),strlen(sql1)));
strcpy(sql1,ltrim(sql1));
break;
}
strcpy(sql1,substr(sql1,strlen(columns[k-1]),strlen(sql1)));
strcpy(sql1,ltrim(sql1));
}
}
cc=k;
if(strncmpi(sql1,"FROM",4)!=0)
{
error(ox,oy,ow,oh,"FROM clause is missing");
return;
}
strcpy(sql1,substr(sql1,4,strlen(sql1)));
strcpy(sql1,ltrim(sql1));
l1=locstrchar(sql1,' ');
if(l1>0)
{
strcpy(tableName,substr(sql1,0,l1-1));
strcpy(sql1,substr(sql1,strlen(tableName),strlen(sql1)));
strcpy(sql1,ltrim(sql1));
if(sql1[0]==';')
goto out;
if(strncmpi(sql1,"WHERE",5)!=0)
{
error(ox,oy,ow,oh,"WHERE is missing");
return;
}
strcpy(sql1,substr(sql1,5,strlen(sql1)));
strcpy(sql1,ltrim(sql1));
c=1;
}
else
{
strtok(sql1,";");
strcpy(tableName,sql1);
}
out:
/* strcat(tableName,".kmk");
decode(tableName);
for(i=0;tableName[i]!='.';i++);
tableName[i+1]='k';
tableName[i+2]='m';
tableName[i+3]='k';
remove(tableName);
tableName[strlen(tableName)-4]='\0';*/
strcat(tableName,".dbf");
if((fp = fopen(tableName,"r"))==NULL)
{
bar(ox+3,oy+3,ox+ow,oy+oh);
outtextxy(ox+3,oy+3,"Invalid table name.");
return;
}
else
{
if(c==1)
{
l1=locstrchar(sql1,' ');
if(l1>0)
{
strcpy(cfld[0],substr(sql1,0,l1-1));
strcpy(sql1,substr(sql1,l1,strlen(sql1)));
strcpy(sql1,ltrim(sql1));
if(strncmpi(sql1,"LIKE",4)==0)
strcpy(opr[0],"L");
}
l1=locstrchar(sql1,'<');
if(l1==0)
l1=locstrchar(sql1,'>');
if(l1==0)
l1=locstrchar(sql1,'!');
if(l1>0)
{
strcpy(opr[0],substr(sql1,l1,l1));
if(strcmp(substr(sql1,l1+1,l1+1),"=")==0)
{
opr[0][1]='=';
opr[0][2]='\0';
strcpy(sql1,substr(sql1,l1+2,strlen(sql1)));
l1=locstrchar(sql1,';');
if(l1>0)
strcpy(cval[0],substr(sql1,0,l1-1));
else
{
error(ox,oy,ow,oh,"SQP Statement is properly ended");
return;
}
}
else
{
opr[0][1]='\0';
strcpy(sql1,substr(sql1,l1+1,strlen(sql1)));
l1=locstrchar(sql1,';');
if(l1>0)
strcpy(cval[0],substr(sql1,0,l1-1));
else
{
error(ox,oy,ow,oh,"Statment is not properly ended");
return;
}
}
}
else
{
l1=locstrchar(sql1,'=');
if(l1>0)
{
strcpy(cfld[0],substr(sql1,0,l1-1));
strcpy(opr[0],substr(sql1,l1,l1));
strcpy(sql1,substr(sql1,l1+1,strlen(sql1)));
l1=locstrchar(sql1,';');
if(l1>0)
strcpy(cval[0],substr(sql1,0,l1-1));
}
else
{
strcpy(cval[0],substr(sql1,5,strlen(sql1)-1));
if(cval[0][0]!='\'' || cval[0][strlen(cval[0])-1]=='\'')
{
error(ox,oy,ow,oh,"Error in character expression");
return;
}
strcpy(cval[0],removeQuote(cval[0]));
}
}
}
fscanf(fp,"%d%d%d%d",&fieldsCount,&size,&recCount,&pk);
for(l=0;l<fieldscount;l++)>
{
fscanf(fp,"%s %s",fields[l],datatypes[l]);
}
for(l=0;l<fieldscount;l++)>
{
l1=locstrchar(datatypes[l],'(');
fl[l]=atoi(substr(datatypes[l],l1+1,locstrchar(datatypes[l],')')-1));
}
if(strcmpi(columns[0],"*")==0)
{
row=oy+3;
bar(ox+3,oy+3,ox+ow,oy+oh);
i=0;
for(j=0;j<fieldscount;j++)>
{
if(strncmpi(datatypes[j],"NUMBER",6)==0)
sprintf(buff[j],"%c%ds",'%',fl[j]);
else
sprintf(buff[j],"%c-%ds",'%',fl[j]);
sprintf(temp,buff[j],fields[j]);
outtextxy(ox+3+i,row,temp);
for(k=0;k<fl[j]*8;k+> outtextxy(ox+3+k+i,row+10,"- ");
i+=textwidth(temp)+10;
}
row+=20;
for(k=0;k<reccount;k++)>
{
fgetc(fp);
for(j=0;j<fieldscount;j++)>
{
fgetc(fp);
fscanf(fp,"%[^\t]",charData[j]);
strcpy(charData[j],ltrim(charData[j]));
if(c==1 && strcmpi(cfld[0],fields[j])==0)
if(strncmpi(datatypes[j],"NUMBER",6)==0 )
switch(opr[0][0])
{
case '=':
show=(atoi(cval[0]) == atoi(charData[j]))?1:0;
break;
case '<':
if(opr[0][1]=='=')
show=(atoi(charData[j]) <= atoi(cval[0]))?1:0;
else
show=(atoi(charData[j]) < atoi(cval[0]))?1:0;
break;
case '>':
if(opr[0][1]=='=')
show=(atoi(charData[j]) >= atoi(cval[0]))?1:0;
else
show=(atoi(charData[j]) > atoi(cval[0]))?1:0;
break;
case '!':
if(opr[0][1]=='=')
show=(atoi(cval[0]) != atoi(charData[j]))?1:0;
break;
}
else
switch(opr[0][0])
{
case '=':
show=(strcmp(substr(cval[0],1,strlen(cval[0])-2),charData[j])==0 )?1:0;
break;
case '<':
if(opr[0][1]=='=')
show=(strcmp(charData[j],substr(cval[0],1,strlen(cval[0])-2))<=0)?1:0;
else
show=(strcmp(charData[j],substr(cval[0],1,strlen(cval[0])-2))<0)?1:0;
break;
case '>':
if(opr[0][1]=='=')
show=(strcmp(charData[j],substr(cval[0],1,strlen(cval[0])-2))>=0)?1:0;
else
show=(strcmp(charData[j],substr(cval[0],1,strlen(cval[0])-2))>0)?1:0;
break;
case '!':
if(opr[0][1]=='=')
show=(strcmp(cval[0],substr(charData[j],1,strlen(cval[0])-2))!=0)?1:0;
break;
case 'L':
show=(strncmpi(cval[0],charData[j],strlen(cval[0])-1)==0)?1:0;
break;
}
}
if(show==1 && c==1)
{
i=0;
for(j=0;j<fieldscount;j++)>
{
sprintf(temp,buff[j],charData[j]);
outtextxy(ox+3+i,row,temp);
i+=textwidth(temp)+10;
}
row+=10;
}
else if(c==0)
{
i=0;
for(j=0;j<fieldscount;j++)>
{
sprintf(temp,buff[j],charData[j]);
outtextxy(ox+3+i,row,temp);
i+=textwidth(temp)+10;
}
row+=10;
}
}
}
else
{
row=oy+3;
bar(ox+3,oy+3,ox+ow,oy+oh);
for(j=0;j<20;j++)
pos[j]=20;
m=0;
for(l1=0;l1<=cc;l1++)
{
for(j=0;j<fieldscount;j++)>
{
if(strcmpi(columns[l1],fields[j])==0)
pos[m++]=j;
}
}
if(pos[0]==20)
{
bar(ox+3,oy+3,ox+ow,oy+oh);
outtextxy(ox+3,oy+3,"Invalid column name.");
return;
}
i=0;
for(l1=0;l1<=cc;l1++)
{
for(j=0;j<fieldscount;j++)>
{
if(j==pos[l1])
{
sprintf(buff[j],"%c%ds",'%',fl[j]);
sprintf(temp,buff[j],fields[j]);
outtextxy(ox+3+i,row,temp);
for(k=0;k<fl[j]*8;k+> outtextxy(ox+3+k+i,row+10,"- ");
i+=textwidth(temp)+10;
}
}
}
row+=20;
for(k=0;k<reccount;k++)>
{
l1=0;
fgetc(fp);
for(j=0;j<fieldscount;j++)>
{
fgetc(fp);
fscanf(fp,"%[^\t]",charData[j]);
if(c==1 && strcmpi(cfld[0],fields[j])==0)
if(strncmpi(datatypes[j],"NUMBER",6)==0 )
switch(opr[0][0])
{
case '=':
show=(atoi(cval[0]) == atoi(charData[j]))?1:0;
break;
case '<':
if(opr[0][1]=='=')
show=(atoi(charData[j]) <= atoi(cval[0]))?1:0;
else
show=(atoi(charData[j]) < atoi(cval[0]))?1:0;
break;
case '>':
if(opr[0][1]=='=')
show=(atoi(charData[j]) >= atoi(cval[0]))?1:0;
else
show=(atoi(charData[j]) > atoi(cval[0]))?1:0;
break;
case '!':
if(opr[0][1]=='=')
show=(atoi(cval[0]) != atoi(charData[j]))?1:0;
break;
}
else
switch(opr[0][0])
{
case '=':
show=(strcmp(substr(cval[0],1,strlen(cval[0])-2),charData[j])==0 )?1:0;
break;
case '<':
if(opr[0][1]=='=')
show=(strcmp(charData[j],substr(cval[0],1,strlen(cval[0])-2))<=0)?1:0;
else
show=(strcmp(charData[j],substr(cval[0],1,strlen(cval[0])-2))<0)?1:0;
break;
case '>':
if(opr[0][1]=='=')
show=(strcmp(charData[j],substr(cval[0],1,strlen(cval[0])-2))>=0)?1:0;
else
show=(strcmp(charData[j],substr(cval[0],1,strlen(cval[0])-2))>0)?1:0;
break;
case '!':
if(opr[0][1]=='=')
show=(strcmp(cval[0],substr(charData[j],1,strlen(cval[0])-2))!=0)?1:0;
break;
}
}
i=0;
for(l1=0;l1<=cc;l1++)
{
for(j=0;j<fieldscount;j++)>
if(c==1 && show==1 && j==pos[l1])
{
sprintf(temp,buff[j],charData[j]);
outtextxy(ox+3+i,row,temp);
i+=textwidth(temp)+10;
}
else if(c==0 && j==pos[l1])
{
sprintf(temp,buff[j],charData[j]);
outtextxy(ox+3+i,row,temp);
i+=textwidth(temp)+10;
}
}
if(c==1 && show==1)
row+=10;
else if(c==0)
row+=10;
}
}
fclose(fp);
free(sql1);
free(datatypes);
free(fields);
free(cfld);
free(opr);
free(cval);
/* input(tableName);
for(i=0;tableName[i]!='.';i++);
tableName[i+1]='d';
tableName[i+2]='b';
tableName[i+3]='f';
remove(tableName);*/
}
}
void updateQuery(char sql[250],int ox,int oy,int ow,int oh)
{
FILE *fp,*ftemp;
struct ffblk ffblk;
char sql1[250],tableName[20],fields[10][32],datatypes[10][15];
char cfld[10][32],cval[10][32],opr[10][2];
int l,recCount,size,j,fieldsCount,charCount,pk;
int pos[20],row,k,m,l1,c=0,show=0,cc,i,uc;
char charData[10][50],columns[10][32],str[20];
strcpy(tableName,"");
strcpy(str,"");
for(i=0;i<10;i++)
{
strcpy(fields[i],"");
strcpy(datatypes[i],"");
strcpy(cfld[i],"");
strcpy(cval[i],"");
strcpy(opr[i],"");
strcpy(charData[i],"");
strcpy(columns[i],"");
}
l=7;
strcpy(sql1, substr(sql,7,strlen(sql) ));
l1=locstrchar(sql1,' ');
strcpy(tableName,substr(sql1,0,l1-1));
l=l+strlen(tableName);
strcpy(sql1,substr(sql,l,strlen(sql)));
strcpy(sql1,ltrim(sql1));
if(strncmpi(sql1,"SET",3)!=0)
{
error(ox,oy,ow,oh,"SET is missing");
return;
}
strcpy(sql1,substr(sql1,3,strlen(sql1)));
strcpy(sql1,ltrim(sql1));
k=0;
cc=0;
while((l1=locstrchar(sql1,','))>0)
{
strcpy(columns[k++],substr(sql1,0,l1-1));
strcpy(sql1,substr(sql1,l1+1,strlen(sql1)));
cc++;
}
cc++;
l1=locstrchar(sql1,'\'');
if(l1>0)
{
strcpy(columns[k],substr(sql1,0,l1));
strcpy(sql1,substr(sql1,l1+1,strlen(sql1)));
l1=locstrchar(sql1,'\'');
if(l1==0)
{
error(ox,oy,ow,oh,"open quote in set clause");
return;
}
strcat(columns[k],substr(sql1,0,l1));
strcpy(sql1,substr(sql1,l1+1,strlen(sql1)));
strcpy(sql1,ltrim(sql1));
}
else
{
strcpy(columns[k++],substr(sql1,0,l1-1));
strcpy(sql1,substr(sql1,l1+1,strlen(sql1)));
strcpy(sql1,ltrim(sql1));
}
l1=locstrchar(sql1,';');
if(l1==0)
{
error(ox,oy,ow,oh,"Statement is not properly ended");
return;
}
if(strlen(sql1)!=1)
if(strncmpi(sql1,"WHERE",5)!=0)
{
error(ox,oy,ow,oh,"WHERE clause is missing");
return;
}
l1=locstrchar(sql1,' ');
if(l1>0)
{
strcpy(sql1,substr(sql1,6,strlen(sql1)));
c=1;
}
else
{
c=0;
}
/* strcat(tableName,".kmk");
decode(tableName);
for(i=0;tableName[i]!='.';i++);
tableName[i+1]='k';
tableName[i+2]='m';
tableName[i+3]='k';
remove(tableName);
tableName[strlen(tableName)-4]='\0';*/
strcat(tableName,".dbf");
ftemp=fopen("temp.$$$","w");
if((fp = fopen(tableName,"r"))==NULL)
{
bar(ox+3,oy+3,ox+ow,oy+oh);
outtextxy(ox+3,oy+3,"Invalid table name.");
return;
}
else
{
l1=locstrchar(sql1,'<');
if(l1==0)
l1=locstrchar(sql1,'>');
if(l1==0)
l1=locstrchar(sql1,'!');
if(l1>0)
{
strcpy(cfld[0],substr(sql1,0,l1-1));
strcpy(opr[0],substr(sql1,l1,l1));
if(strcmp(substr(sql1,l1+1,l1+1),"=")==0)
{
opr[0][1]='=';
opr[0][2]='\0';
strcpy(sql1,substr(sql1,l1+2,strlen(sql1)));
l1=locstrchar(sql1,';');
if(l1>0)
strcpy(cval[0],substr(sql1,0,l1-1));
}
else
{
opr[0][1]='\0';
strcpy(sql1,substr(sql1,l1+1,strlen(sql1)));
l1=locstrchar(sql1,';');
if(l1>0)
strcpy(cval[0],substr(sql1,0,l1-1));
}
}
else
{
l1=locstrchar(sql1,'=');
if(l1>0)
{
strcpy(cfld[0],substr(sql1,0,l1-1));
strcpy(opr[0],substr(sql1,l1,l1));
strcpy(sql1,substr(sql1,l1+1,strlen(sql1)));
l1=locstrchar(sql1,';');
if(l1>0)
strcpy(cval[0],substr(sql1,0,l1-1));
}
}
fscanf(fp,"%d%d%d%d",&fieldsCount,&size,&recCount,&pk);
fprintf(ftemp,"%d\t%d\t%d\t%d\t",fieldsCount,size,recCount,pk);
for(l=0;l<fieldscount;l++)>
{
fscanf(fp,"%s %s",fields[l],datatypes[l]);
fprintf(ftemp,"%s\t%s\t",fields[l],datatypes[l]);
}
fprintf(ftemp,"\n");
uc=0;
for(k=0;k<reccount;k++)>
{
fgetc(fp);
for(j=0;j<fieldscount;j++)>
{ fgetc(fp);
fscanf(fp,"%[^\t]",charData[j]);
strcpy(charData[j],ltrim(charData[j]));
}
for(j=0;j<fieldscount;j++)>
{
if(c==1 && strcmpi(cfld[0],fields[j])==0)
if(strncmpi(datatypes[j],"NUMBER",6)==0 )
switch(opr[0][0])
{
case '=':
show=(atoi(cval[0]) == atoi(charData[j]))?1:0;
break;
case '<':
if(opr[0][1]=='=')
show=(atoi(charData[j]) <= atoi(cval[0]))?1:0;
else
show=(atoi(charData[j]) < atoi(cval[0]))?1:0;
break;
case '>':
if(opr[0][1]=='=')
show=(atoi(charData[j]) >= atoi(cval[0]))?1:0;
else
show=(atoi(charData[j]) > atoi(cval[0]))?1:0;
break;
case '!':
if(opr[0][1]=='=')
show=(atoi(cval[0]) != atoi(charData[j]))?1:0;
break;
}
else
switch(opr[0][0])
{
case '=':
show=(strcmp(substr(cval[0],1,strlen(cval[0])-2),charData[j])==0 )?1:0;
break;
case '<':
if(opr[0][1]=='=')
show=(strcmp(charData[j],substr(cval[0],1,strlen(cval[0])-2))<=0)?1:0;
else
show=(strcmp(charData[j],substr(cval[0],1,strlen(cval[0])-2))<0)?1:0;
break;
case '>':
if(opr[0][1]=='=')
show=(strcmp(charData[j],substr(cval[0],1,strlen(cval[0])-2))>=0)?1:0;
else
show=(strcmp(charData[j],substr(cval[0],1,strlen(cval[0])-2))>0)?1:0;
break;
case '!':
if(opr[0][1]=='=')
show=(strcmp(cval[0],substr(charData[j],1,strlen(cval[0])-2))!=0)?1:0;
break;
}
}
for(j=0;j<cc;j++)>
{
if(show==1 && c==1)
{
uc++;
l1=locstrchar(columns[j],'=');
if(l1>0)
for(l=0;l<fieldscount;l++)>
{
if(c==1 && strncmpi(columns[j],fields[l],strlen(fields[l]))==0)
if(strncmpi(datatypes[l],"NUMBER",6)==0 )
{
strcpy(str,substr(columns[j],l1+1,strlen(columns[j])));
if(atol(charData[l])==atol(str) && l==pk-1)
{
error(ox,oy,ow,oh,"Duplicate value in primary key");
}
else
strcpy(charData[l],str);
}
else
{
strcpy(str,substr(columns[j],l1+1,strlen(columns[j])));
strcpy(str,removeQuote(str));
if(strcmpi(charData[l],str)==0 && l==pk-1)
{
error(ox,oy,ow,oh,"Duplicate value in primary key");
return;
}
else
strcpy(charData[l],ltrim(str));
}
}
else
{
error(ox,oy,ow,oh,"Error in criteria");
return;
}
}
}
for(j=0;j<fieldscount;j++)>
fprintf(ftemp,"%s\t",charData[j]);
fprintf(ftemp,"\n");
}
bar(ox+3,oy+3,ox+ow,oy+oh);
sprintf(sql1,"(%d) row(s) updated successfully.",uc);
error(ox,oy,ow,oh,sql1);
fclose(fp);
fclose(ftemp);
remove(tableName);
rename("temp.$$$",tableName);
primaryKey(tableName);
}
}
void tableInfo(char sql[250],int ox,int oy,int ow,int oh)
{
FILE *fp;
char sql1[250],tableName[20],fields[10][32],datatypes[10][15];
int l,j,fieldsCount,recSize,recCount,l1,pk,i;
strcpy(tableName,"");
for(i=0;i<10;i++)
{
strcpy(fields[i],"");
strcpy(datatypes[i],"");
}
l=11;
strcpy(sql1, substr(sql,11,strlen(sql) ));
l1 = locstrchar(sql1,';');
if(l1>0)
strcpy(tableName,substr(sql1,0,l1-1));
else
strcpy(tableName,sql1);
/* strcat(tableName,".kmk");
decode(tableName);
for(i=0;tableName[i]!='.';i++);
tableName[i+1]='k';
tableName[i+2]='m';
tableName[i+3]='k';
remove(tableName);
tableName[strlen(tableName)-4]='\0';*/
strcat(tableName,".dbf");
if((fp = fopen(tableName,"r"))==NULL)
{
bar(ox+3,oy+3,ox+ow,oy+oh);
outtextxy(ox+3,oy+3,"Invalid table name.");
return;
}
else
{
fscanf(fp,"%d%d%d%d",&fieldsCount,&recSize,&recCount,&pk);
bar(ox+3,oy+3,ox+ow,oy+oh);
sprintf(sql1,"No. of Fields: %d",fieldsCount);
outtextxy(ox+3,oy+3,sql1);
sprintf(sql1,"Fields Size: %d",recSize);
outtextxy(ox+3,oy+13,sql1);
sprintf(sql1,"Structure: ");
outtextxy(ox+3,oy+37,sql1);
sprintf(sql1,"========== ");
outtextxy(ox+3,oy+47,sql1);
for(l=0;l<fieldscount;l++)>
{
fscanf(fp,"%s %s",fields[l],datatypes[l]);
outtextxy(ox+3,oy+57+l*10,fields[l]);
outtextxy(ox+100,oy+57+l*10,datatypes[l]);
}
if(pk==0)
sprintf(sql1,"Primary Key: None");
else
sprintf(sql1,"Primary Key: %s",fields[pk-1]);
outtextxy(ox+3,oy+23,sql1);
fclose(fp);
}
}
void tableList(char pat[5],int ox,int oy,int ow,int oh)
{
struct ffblk ffblk;
char sql1[80],tableName[20];
int i,r,c,fCount=0;
strcpy(sql1,"");
strcpy(tableName,"");
bar(ox+3,oy+3,ox+ow,oy+oh);
sprintf(sql1,"File List: ");
outtextxy(ox+3,oy+3,sql1);
sprintf(sql1,"========== ");
outtextxy(ox+3,oy+10,sql1);
i=findfirst(pat,&ffblk,0);
r=20;
c=0;
while(!i)
{
sprintf(sql1,"%s", ffblk.ff_name);
outtextxy(ox+3+c,oy+r,sql1);
fCount++;
i=findnext(&ffblk);
if(c>=500)
{
if(r>100)
{
r=15;
c=0;
getch();
bar(ox+3,oy+3,ox+ow,oy+oh);
}
else
{
r=r+20;
c=0;
}
}
else
c=c+100;
}
sprintf(sql1,"Tatal File(s): %d",fCount);
setcolor(RED);
outtextxy(ox+3,oy+r+20,sql1);
setcolor(BLUE);
}
void primaryKey(char table[20])
{
FILE *fp1,*ftemp;
char data[100][10][50],buff[10],fields[10][32],datatypes[10][15];
int j,k,l,fieldsCount,size,recCount,pk,i;
strcpy(buff,"");
for(i=0;i<10;i++)
{
strcpy(fields[i],"");
strcpy(datatypes[i],"");
}
ftemp=fopen("temp.$$$","w+");
fp1=fopen(table,"r");
fscanf(fp1,"%d%d%d%d",&fieldsCount,&size,&recCount,&pk);
fprintf(ftemp,"%d\t%d\t%d\t%d\t",fieldsCount,size,recCount,pk);
for(l=0;l<fieldscount;l++)>
{
fscanf(fp1,"%s %s",fields[l],datatypes[l]);
fprintf(ftemp,"%s\t%s\t",fields[l],datatypes[l]);
}
fprintf(ftemp,"\n");
for(k=0;k<reccount;k++)>
{
fgetc(fp1);
for(j=0;j<fieldscount;j++)>
{ fgetc(fp1);
fscanf(fp1,"%[^\t]",data[k][j]);
}
}
for(j=0;j<fieldscount;j++)>
{
if(j==(pk-1))
if(strncmpi(datatypes[j],"NUMBER",6)==0 )
sort(data,pk,fieldsCount,recCount,0);
else
sort(data,pk,fieldsCount,recCount,1);
}
for(k=0;k<reccount;k++)>
{
for(j=0;j<fieldscount;j++)>
{
strcpy(buff,"%");
if(strncmpi(datatypes[j],"NUMBER",6)==0)
{
l=locstrchar(datatypes[j],')');
strcat(buff,substr(datatypes[j],7,l-1));
strcat(buff,"s\t");
}
else
{
l=locstrchar(datatypes[j],')');
strcat(buff,substr(datatypes[j],7,l-1));
strcat(buff,"s\t");
}
fprintf(ftemp,buff,data[k][j]);
}
}
fclose(fp1);
fclose(ftemp);
remove(table);
rename("temp.$$$",table);
}
void sort(char data[100][10][50],int pk,int fc, int rc,int type)
{
char temp[10][50];
int i,j,k;
for(i=0;i<10;i++)
{
strcpy(temp[i],"");
}
for(i=0;i<rc;i++)>
{
for(j=i+1;j<rc;j++)>
{
if(type==0)
{
if(atol(data[i][pk-1])>atol(data[j][pk-1]))
{
for(k=0;k<fc;k++)>
{
strcpy(temp[k],data[i][k]);
strcpy(data[i][k],data[j][k]);
strcpy(data[j][k],temp[k]);
}
}
}
else
{
if(strcmpi(data[i][pk-1],data[j][pk-1])>0)
{
for(k=0;k<fc;k++)>
{
strcpy(temp[k],data[i][k]);
strcpy(data[i][k],data[j][k]);
strcpy(data[j][k],temp[k]);
}
}
}
}
}
}
void help()
{
system("c:\\progra~1\\intern~1\\iexplore.exe www.yahoo.com");
}
Submit an article or tip