blob: 55d6576c4d840ae1950b35642ef2699849c49644 [file] [log] [blame]
// Copyright 2020 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "tools/symbol-index/reader.h"
#include <string_view>
#include "src/lib/fxl/strings/split_string.h"
#include "src/lib/fxl/strings/string_printf.h"
#include "src/lib/fxl/strings/trim.h"
namespace symbol_index {
Error Reader::Read(std::istream& input, const std::string& input_name,
std::vector<std::vector<std::string>>* result) {
if ( {
return fxl::StringPrintf("Cannot open %s to read", input_name.c_str());
while (!input.eof()) {
std::string line;
std::vector<std::string> items;
std::getline(input, line);
if ( {
// If the input ends with \n, we will get failbit, eofbit and line == "".
if (input.eof())
return fxl::StringPrintf("Error reading %s", input_name.c_str());
std::string_view trimed = fxl::TrimString(line, " \t\r\n");
// Ignores empty lines and lines starting with #, which are considered comments.
if (trimed.empty() || trimed[0] == '#')
result->push_back(fxl::SplitStringCopy(trimed, std::string(1, column_separator_),
fxl::kKeepWhitespace, fxl::kSplitWantNonEmpty));
return "";
} // namespace symbol_index