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sqlite-eval.cc
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sqlite-eval.cc
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/* -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
#include <iostream>
#include <fstream>
#include <stdexcept>
#include "sqlite-eval.hh"
#include "sqlite-pst.hh"
#include "ep.hh"
void SqliteEvaluator::eval(const std::string &filename) {
std::ifstream in(filename.c_str(), std::ios_base::in);
std::string query;
if (!in.good()) {
getLogger()->log(EXTENSION_LOG_INFO, NULL,
"Failed to open eval file\n");
}
while (in.good() && !in.eof()) {
char c;
in.get(c);
if (c == ';') {
execute(query);
query.clear();
} else {
query.append(1, c);
}
}
execute(query);
}
void SqliteEvaluator::execute(std::string &query) {
trim(query);
if (!query.empty()) {
getLogger()->log(EXTENSION_LOG_DEBUG, NULL,
"Executing query: ``%s''\n", query.c_str());
PreparedStatement st(db, query.c_str());
st.execute();
}
}
void SqliteEvaluator::trim(std::string &str) {
static const std::string whitespaces(" \r\n\t");
while (!str.empty() && whitespaces.find(str[0]) != std::string::npos) {
str = str.substr(1);
}
while (!str.empty() && whitespaces.find(str[str.size()-1]) != std::string::npos) {
str = str.substr(0, str.size()-1);
}
}