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121 lines
2.7 KiB
C++
121 lines
2.7 KiB
C++
#include "dbase.h"
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dbRecordSet::dbRecordSet() {
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ptr = 0;
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}
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void dbRecordSet::Reset() {
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recordSet.Clear();
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ptr = 0;
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}
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void dbRecordSet::Add(int record, dbRecord &rec, Array<String> &orderField, Array<unsigned int> &ordStyle) {
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unsigned int j, n, f, l, p, k;
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k = orderField.GetCount();
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#ifdef _WITH_DEBUG
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RLOG("# keys: " + FormatInt(k));
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#endif
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// sorting the new record in the correct position with three key (field) level
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bool s;
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f=0; l=recordSet.GetCount(), p=l;
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for(n=0; n<k; n++) {
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s=true;
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for(j=f; j<l; j++) {
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if(ordStyle[n] == MTDB_ASC && s) {
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if(IsBiggerEqual(recordSet[j].Get(orderField[n]), AsString(rec.GetValue(orderField[n])))) {
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p = j;
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f = j;
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s = false;
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}
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}
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if(ordStyle[n] == MTDB_DESC && s) {
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if(IsSmallerEqual(recordSet[j].Get(orderField[n]), AsString(rec.GetValue(orderField[n])))) {
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p = j;
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f = j;
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s = false;
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}
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}
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if(!s) {
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if(!IsEqual(recordSet[j].Get(orderField[n]), AsString(rec.GetValue(orderField[n])))) {
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l = j;
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}
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}
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}
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if(s) {
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p=l;
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f=l;
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}
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}
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recordSet.Insert((int)p, record, rec.Get());
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return;
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}
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bool dbRecordSet::Next() {
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if(recordSet.GetCount()>0 && ptr<(recordSet.GetCount()-1)) {
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ptr++;
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return true;
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}
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return false;
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}
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bool dbRecordSet::Previous() {
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if(recordSet.GetCount()>0 && ptr>0) {
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ptr--;
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return true;
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} return false;
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}
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bool dbRecordSet::GoTo(int recno) {
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int q;
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if((q = recordSet.Find(recno)) >= 0) {
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ptr = q;
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return true;
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}
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return false;
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}
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Value& dbRecordSet::GetValue(int field) {
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VectorMap<String, Value> &rec = recordSet[ptr];
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Value &res = rec[field];
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return res;
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}
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Value dbRecordSet::GetValue(const String &field) {
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VectorMap<String, Value> &rec = recordSet[ptr];
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int q = rec.Find(field);
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if(q >= 0) {
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Value res = rec[q];
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return res;
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}
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else return Nuller();
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}
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const Value dbRecordSet::GetValue(const String &field) const {
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return GetValue(field);
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}
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Value dbRecordSet::GetValue(int record, const String &field) {
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VectorMap<String, Value> &rec = recordSet.Get(record);
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int q = rec.Find(field);
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Value res = rec[q];
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return res;
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}
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const Value dbRecordSet::GetValue(int record, const String &field) const {
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return GetValue(record, field);
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}
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Value& dbRecordSet::GetValue(int record, int field) {
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//VectorMap<String, Value> &rec = recordSet.Get(record);
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//return rec[field];
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int q = recordSet.Find(record);
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if(q < 0) {
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VectorMap<String, Value> r;
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recordSet.GetAdd(record, r);
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q = recordSet.GetCount()-1;
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}
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VectorMap<String, Value> &rec = recordSet[q];
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return rec[field];
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}
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