134 lines
3.4 KiB
C++
134 lines
3.4 KiB
C++
/* -*- c++ -*- ----------------------------------------------------------
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LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
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http://lammps.sandia.gov, Sandia National Laboratories
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Steve Plimpton, sjplimp@sandia.gov
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Copyright (2003) Sandia Corporation. Under the terms of Contract
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DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
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certain rights in this software. This software is distributed under
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the GNU General Public License.
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See the README file in the top-level LAMMPS directory.
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------------------------------------------------------------------------- */
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/* ----------------------------------------------------------------------
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Contributing author: Richard Berger (Temple U)
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------------------------------------------------------------------------- */
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#include "tokenizer.h"
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#include "utils.h"
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using namespace LAMMPS_NS;
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Tokenizer::Tokenizer(const std::string & str, const std::string & seperators) {
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size_t end = -1;
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do {
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size_t start = str.find_first_not_of(seperators, end + 1);
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if(start == std::string::npos) break;
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end = str.find_first_of(seperators, start);
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if(end == std::string::npos) {
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tokens.push_back(str.substr(start));
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} else {
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tokens.push_back(str.substr(start, end-start));
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}
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} while(end != std::string::npos);
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}
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Tokenizer::iterator Tokenizer::begin() {
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return tokens.begin();
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}
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Tokenizer::iterator Tokenizer::end() {
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return tokens.end();
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}
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Tokenizer::const_iterator Tokenizer::cbegin() const {
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return tokens.cbegin();
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}
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Tokenizer::const_iterator Tokenizer::cend() const {
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return tokens.cend();
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}
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const std::string & Tokenizer::operator[](size_t index) {
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return tokens[index];
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}
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const size_t Tokenizer::count() const {
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return tokens.size();
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}
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ValueTokenizer::ValueTokenizer(const std::string & str, const std::string & seperators) : tokens(str, seperators) {
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current = tokens.begin();
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}
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bool ValueTokenizer::has_next() const {
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return current != tokens.cend();
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}
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std::string ValueTokenizer::next_string() {
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if (has_next()) {
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std::string value = *current;
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++current;
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return value;
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}
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return "";
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}
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int ValueTokenizer::next_int() {
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if (has_next()) {
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if(!utils::is_integer(*current)) {
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throw InvalidIntegerException(*current);
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}
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int value = atoi(current->c_str());
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++current;
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return value;
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}
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return 0;
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}
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bigint ValueTokenizer::next_bigint() {
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if (has_next()) {
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if(!utils::is_integer(*current)) {
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throw InvalidIntegerException(*current);
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}
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bigint value = ATOBIGINT(current->c_str());
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++current;
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return value;
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}
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return 0;
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}
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tagint ValueTokenizer::next_tagint() {
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if (current != tokens.end()) {
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if(!utils::is_integer(*current)) {
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throw InvalidIntegerException(*current);
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}
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tagint value = ATOTAGINT(current->c_str());
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++current;
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return value;
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}
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return 0;
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}
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double ValueTokenizer::next_double() {
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if (current != tokens.end()) {
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if(!utils::is_double(*current)) {
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throw InvalidFloatException(*current);
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}
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double value = atof(current->c_str());
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++current;
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return value;
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}
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return 0.0;
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}
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void ValueTokenizer::skip(int ntokens) {
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current = std::next(current, ntokens);
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}
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