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Diffstat (limited to 'libtransport/src/utils/string_tokenizer.cc')
-rw-r--r-- | libtransport/src/utils/string_tokenizer.cc | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/libtransport/src/utils/string_tokenizer.cc b/libtransport/src/utils/string_tokenizer.cc new file mode 100644 index 000000000..a280a3c43 --- /dev/null +++ b/libtransport/src/utils/string_tokenizer.cc @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2017-2019 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <hicn/transport/errors/errors.h> +#include <hicn/transport/utils/string_tokenizer.h> + +namespace utils { + +StringTokenizer::StringTokenizer(const std::string &str) + : str_(str), delimiter_(" ") {} + +StringTokenizer::StringTokenizer(const std::string &str, + const std::string &delim) + : str_(str), delimiter_(delim) {} + +bool StringTokenizer::hasMoreTokens() { + return str_.find(delimiter_) != std::string::npos || !str_.empty(); +} + +std::string StringTokenizer::nextToken() { + unsigned long pos = (unsigned long)str_.find(delimiter_); + + bool token_found = std::string::npos != pos; + + if (!token_found && str_.empty()) { + throw errors::TokenizerException(); + } + + std::string token = str_.substr(0, pos); + str_.erase(0, token_found ? pos + delimiter_.length() : pos); + + return token; +} + +} // namespace utils
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