dataset.cpp

来自「Oracle调用接口」· C++ 代码 · 共 71 行

#include "DataSet.h"


DataSet::DataSet() : ObjectContainer(DATASET) { 
	current_row=0;
}

DataSet::~DataSet() {
	for(int i=0;i<data.size();i++) {
		map<string,TemplateObject *>::const_iterator ci=data[i].begin();
		while(ci!=data[i].end()) {
			delete ci->second;
			ci++;
		}
		data[i].clear();
	}
	data.clear();
}

TemplateObject *DataSet::getVal(const string &key) {
	if(strict) {
		map<string,TemplateObject *>::const_iterator ci=(data[current_row]).find(key);
		if(ci==(data[current_row]).end()) throw TemplateError("Error: '"+key+"' not defined in this scope");
	}
	return (data[current_row])[key];
}

bool DataSet::hasKey(const string &key) {
	map<string,TemplateObject *>::const_iterator ci=(data[current_row]).find(key);
	if(ci==(data[current_row]).end()) {
		return false;
	} else {
		return true;
	}
}

void DataSet::add(const string &key,const string val) {
	TemplateVariable *t = new TemplateVariable(val);
	(data[current_row])[key]=t;
}


void DataSet::add(const string &key,int val) {
	TemplateVariable *t = new TemplateVariable(val);
	(data[current_row])[key]=t;
}

void DataSet::add(const string &key,double val) {
	TemplateVariable *t = new TemplateVariable(val);
	(data[current_row])[key]=t;
}

void DataSet::add(const string &key,DataSet *val) {
	(data[current_row])[key]=val;
}

void DataSet::setCurrentRow(int row) {
	current_row=row;
}

void DataSet::newRow() {
	map<string,TemplateObject *> m;
	current_row=data.size();
	data.push_back(m);
}

int DataSet::getSize() {
	return data.size();
}