/*******************************************************************************
* BEntry.cc Database entry system
* T.Barnaby, BEAM Ltd, 10/5/93
*******************************************************************************
*/
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <BEntry.h>
BEntry::BEntry(){
}
BEntry::BEntry(BString name, BString value){
oname = name;
ovalue = value;
}
BEntry::BEntry(BString line){
setLine(line);
}
BString BEntry::getName(){
return oname;
}
BString BEntry::getValue(){
return ovalue;
}
void BEntry::setLine(BString line){
const char* s;
const char* m;
const char* e;
m = s = line.retStr();
if(*m && isspace(*m)){
while(*m && isspace(*m))
m++;
}
e = m;
while(*e && !isspace(*e))
e++;
oname = line.subString(m - s, e - m);
while(*e && isspace(*e))
e++;
ovalue = e;
}
void BEntry::setName(BString name){
oname = name;
}
void BEntry::setValue(BString value){
ovalue = value;
}
void BEntry::print(){
printf("%-15s\t%s\n", oname.retStr(), ovalue.retStr());
}
BString BEntry::line(){
BString s;
s = oname;
if(s.len() < 16)
s.pad(16);
else
s = s + " ";
s = s + ovalue;
return s;
}
BEntryList::BEntryList(){
olastPos = 0;
}
BEntry* BEntryList::find(BString name){
BIter i;
if(olastPos){
i = olastPos;
}
else {
i = begin();
}
// Search down from i
for(; !isEnd(i); next(i)){
if(name == get(i).getName()){
olastPos = i;
return &get(i);
}
}
if(olastPos){
for(start(i); (i != olastPos) && !isEnd(i); next(i)){
if(name == get(i).getName()){
olastPos = i;
return &get(i);
}
}
}
return NULL;
}
BString BEntryList::findValue(BString name){
BEntry* e;
if(e = find(name))
return e->getValue();
else
return "";
}
int BEntryList::setValue(BString name, BString value){
BEntry* e;
if(e = find(name)){
e->setValue(value);
return 0;
}
else {
append(BEntry(name, value));
return 0;
}
}
int BEntryList::setValueRaw(BString name, BString value){
append(BEntry(name, value));
return 0;
}
void BEntryList::deleteEntry(BString name){
BIter i;
for(i = begin(); !isEnd(i); ){
if(name == get(i).getName())
del(i);
else
next(i);
}
}
int BEntryList::isSet(BString name){
BIter i;
BString value;
BString lname;
for(i = begin(); !isEnd(i); next(i)){
lname = get(i).getName();
value = get(i).getValue();
if((name == lname) && value.len())
return 1;
}
return 0;
}
void BEntryList::print(){
BIter i;
for(i = begin(); !isEnd(i); next(i)){
get(i).print();
}
}
BString BEntryList::getString(){
BIter i;
BString s;
for(i = begin(); !isEnd(i); next(i)){
s = s + get(i).getName().pad(16) + get(i).getValue() + "\n";
}
return s;
}
void BEntryList::clear(){
BList<BEntry>::clear();
olastPos = 0;
}
void BEntryList::insert(BIter& i, const BEntry& item){
BList<BEntry>::insert(i, item);
olastPos = 0;
}
void BEntryList::del(BIter& i){
BList<BEntry>::del(i);
olastPos = 0;
}
BEntryFile::BEntryFile(){
}
BEntryFile::BEntryFile(BString filename){
open(filename);
}
int BEntryFile::open(BString filename){
ofilename = filename;
return access(ofilename.retStr(), R_OK);
}
BEntryFile::~BEntryFile(){
clear();
}
void BEntryFile::clear(){
BEntryList::clear();
ocomments = "";
}
int BEntryFile::read(){
char buf[10240];
char name[1024];
char* t;
char* f;
FILE* ofile;
clear();
if((ofile = fopen(ofilename.retStr(), "r")) == NULL)
return -1;
while(fgets(buf, sizeof(buf), ofile)){
if(strlen(buf)){
if((buf[0] != '#') && (buf[0] != '\n') && (buf[0] != '\r')){
buf[strlen(buf) - 1] = '\0';
if((strlen(buf) > 0) && (buf[strlen(buf) - 1] == '\r'))
buf[strlen(buf) - 1] = '\0';
for(t = name, f = buf; (*f && !isspace(*f));
t++, f++){
*t = *f;
}
*t = 0;
while(*f && isspace(*f))
f++;
t = f;
while(*t)
t++;
*t = 0;
append(BEntry(name, f));
}
else if(buf[0] == '#'){
ocomments = ocomments + buf;
}
}
}
fclose(ofile);
return 0;
}
int BEntryFile::write(){
return writeList(*this);
}
int BEntryFile::writeList(BEntryList& l){
BIter i;
FILE* ofile;
BString name;
BString value;
if((ofile = fopen(ofilename.retStr(), "w")) == NULL)
return -1;
fprintf(ofile, "%s", ocomments.retStr());
for(i = l.begin(); !l.isEnd(i); l.next(i)){
name = l.get(i).getName();
value = l.get(i).getValue();
fprintf(ofile, "%-15s\t%s\n", name.retStr(), value.retStr());
}
fclose(ofile);
return 0;
}
