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< a href = "file__util_8h.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a id = "l00001" name = "l00001" > < / a > < span class = "lineno" > 1< / span > < span class = "comment" > // Copyright 2010-2021 Google LLC< / span > < / div >
< div class = "line" > < a id = "l00002" name = "l00002" > < / a > < span class = "lineno" > 2< / span > < span class = "comment" > // Licensed under the Apache License, Version 2.0 (the " License" );< / span > < / div >
< div class = "line" > < a id = "l00003" name = "l00003" > < / a > < span class = "lineno" > 3< / span > < span class = "comment" > // you may not use this file except in compliance with the License.< / span > < / div >
< div class = "line" > < a id = "l00004" name = "l00004" > < / a > < span class = "lineno" > 4< / span > < span class = "comment" > // You may obtain a copy of the License at< / span > < / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < span class = "comment" > // http://www.apache.org/licenses/LICENSE-2.0< / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > 8< / span > < span class = "comment" > // Unless required by applicable law or agreed to in writing, software< / span > < / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "comment" > // distributed under the License is distributed on an " AS IS" BASIS,< / span > < / div >
< div class = "line" > < a id = "l00010" name = "l00010" > < / a > < span class = "lineno" > 10< / span > < span class = "comment" > // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.< / span > < / div >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > 11< / span > < span class = "comment" > // See the License for the specific language governing permissions and< / span > < / div >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > 12< / span > < span class = "comment" > // limitations under the License.< / span > < / div >
< div class = "line" > < a id = "l00013" name = "l00013" > < / a > < span class = "lineno" > 13< / span > < / div >
< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > < span class = "preprocessor" > #ifndef OR_TOOLS_UTIL_FILE_UTIL_H_< / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < span class = "preprocessor" > #define OR_TOOLS_UTIL_FILE_UTIL_H_< / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < span class = "preprocessor" > #include < limits> < / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < span class = "preprocessor" > #include < vector> < / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < span class = "preprocessor" > #include " absl/status/statusor.h" < / span > < / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > < span class = "preprocessor" > #include " absl/strings/string_view.h" < / span > < / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > 22< / span > < span class = "preprocessor" > #include " google/protobuf/message.h" < / span > < / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > 23< / span > < span class = "preprocessor" > #include " < a class = "code" href = "base_2file_8h.html" > ortools/base/file.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < span class = "preprocessor" > #include " < a class = "code" href = "recordio_8h.html" > ortools/base/recordio.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > < / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > < span class = "keyword" > namespace < / span > < a class = "code hl_namespace" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / span > < / div >
< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > < span class = "comment" > // Reads a file, optionally gzipped, to a string.< / span > < / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > absl::StatusOr< std::string> < a class = "code hl_function" href = "namespaceoperations__research.html#a319f5b5c935d6fb479624ae04d60d5ea" > ReadFileToString< / a > (absl::string_view filename);< / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > < / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / span > < span class = "comment" > // Reads a proto from a file. Supports the following formats: binary, text,< / span > < / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > < span class = "comment" > // JSON, all of those optionally gzipped. Crashes on filesystem failures, e.g.< / span > < / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > < span class = "comment" > // file unreadable. Returns false on format failures, e.g. the file could be< / span > < / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > < span class = "comment" > // read, but the contents couldn' t be parsed -- or maybe it was a valid JSON,< / span > < / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < span class = "comment" > // text proto, or binary proto, but not of the right proto message.< / span > < / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > < span class = "comment" > // Returns true on success.< / span > < / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "namespaceoperations__research.html#ac9d6b171922e3bb93b3795f4241c70e4" > ReadFileToProto< / a > (absl::string_view filename,< / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > google::protobuf::Message* < a class = "code hl_variable" href = "cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2" > proto< / a > );< / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > < / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Proto> < / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research.html#a0512869fd2f9e687199df5ceb9d04859" > 41< / a > < / span > Proto < a class = "code hl_function" href = "namespaceoperations__research.html#a0512869fd2f9e687199df5ceb9d04859" > ReadFileToProtoOrDie< / a > (absl::string_view filename) {< / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > Proto < a class = "code hl_variable" href = "cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2" > proto< / a > ;< / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (< a class = "code hl_function" href = "namespaceoperations__research.html#ac9d6b171922e3bb93b3795f4241c70e4" > ReadFileToProto< / a > (filename, & < a class = "code hl_variable" href = "cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2" > proto< / a > )) < < < span class = "stringliteral" > " with file: ' " < / span > < < filename < < < span class = "stringliteral" > " ' " < / span > ;< / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < span class = "keywordflow" > return< / span > < a class = "code hl_variable" href = "cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2" > proto< / a > ;< / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > }< / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > 46< / span > < / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > < span class = "comment" > // Specifies how the proto should be formatted when writing it to a file.< / span > < / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > 48< / span > < span class = "comment" > // kCanonicalJson applies Proto3 to JSON encoding conventions and converts field< / span > < / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > < span class = "comment" > // names to lower camel-case.< / span > < / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research.html#aaf9694f57960ede8c406e3bd923bcd72" > 50< / a > < / span > < span class = "keyword" > enum class< / span > < a class = "code hl_enumeration" href = "namespaceoperations__research.html#aaf9694f57960ede8c406e3bd923bcd72" > ProtoWriteFormat< / a > { < a class = "code hl_enumvalue" href = "namespaceoperations__research.html#aaf9694f57960ede8c406e3bd923bcd72adfcd8e748f506324dff6a9d5e7aea00b" > kProtoText< / a > , < a class = "code hl_enumvalue" href = "namespaceoperations__research.html#aaf9694f57960ede8c406e3bd923bcd72aa0af2ac06be96f6784af5295aab62c76" > kProtoBinary< / a > , < a class = "code hl_enumvalue" href = "namespaceoperations__research.html#aaf9694f57960ede8c406e3bd923bcd72a319f3b99b8d96c21e2f6b7ebc6fe8d8f" > kJson< / a > , < a class = "code hl_enumvalue" href = "namespaceoperations__research.html#aaf9694f57960ede8c406e3bd923bcd72adb5cce9ced76fea1f9c1e9f3e5cb1d90" > kCanonicalJson< / a > };< / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > 51< / span > < / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > < span class = "comment" > // Writes a proto to a file. Supports the following formats: binary, text, JSON,< / span > < / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > < span class = "comment" > // all of those optionally gzipped. Returns false on failure.< / span > < / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > < span class = "comment" > // If ' proto_write_format' is kProtoBinary, " .bin" is appended to file_name. If< / span > < / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < span class = "comment" > // ' proto_write_format' is kJson or kCanonicalJson, " .json" is appended to< / span > < / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > < span class = "comment" > // file_name. If ' gzipped' is true, " .gz" is appended to file_name.< / span > < / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "namespaceoperations__research.html#a57741d0280e266642d7d146d0d0beedb" > WriteProtoToFile< / a > (absl::string_view filename,< / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > < span class = "keyword" > const< / span > google::protobuf::Message& < a class = "code hl_variable" href = "cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2" > proto< / a > ,< / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > < a class = "code hl_enumeration" href = "namespaceoperations__research.html#aaf9694f57960ede8c406e3bd923bcd72" > ProtoWriteFormat< / a > proto_write_format, < span class = "keywordtype" > bool< / span > gzipped = < span class = "keyword" > false< / span > ,< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > < span class = "keywordtype" > bool< / span > append_extension_to_file_name = < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > < / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < span class = "keyword" > namespace < / span > < a class = "code hl_namespace" href = "namespaceinternal.html" > internal< / a > {< / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > < span class = "comment" > // General method to read expected_num_records from a file. If< / span > < / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > < span class = "comment" > // expected_num_records is -1, then reads all records from the file. If not,< / span > < / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > < span class = "comment" > // dies if the file doesn' t contain exactly expected_num_records.< / span > < / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Proto> < / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1internal.html#a69fdb007201984e0caf5498e5a05490f" > 67< / a > < / span > std::vector< Proto> < a class = "code hl_function" href = "namespaceoperations__research_1_1internal.html#a69fdb007201984e0caf5498e5a05490f" > ReadNumRecords< / a > (< a class = "code hl_class" href = "class_file.html" > File< / a > * < a class = "code hl_namespace" href = "namespacefile.html" > file< / a > , < span class = "keywordtype" > int< / span > expected_num_records) {< / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > < a class = "code hl_class" href = "classrecordio_1_1_record_reader.html" > recordio::RecordReader< / a > reader(< a class = "code hl_namespace" href = "namespacefile.html" > file< / a > );< / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > std::vector< Proto> protos;< / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > Proto < a class = "code hl_variable" href = "cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2" > proto< / a > ;< / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > < span class = "keywordtype" > int< / span > num_read = 0;< / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > < span class = "keywordflow" > while< / span > (num_read != expected_num_records & & < / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > reader.< a class = "code hl_function" href = "classrecordio_1_1_record_reader.html#aefd9688ad8e40608a91e2189aed986b5" > ReadProtocolMessage< / a > (& < a class = "code hl_variable" href = "cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2" > proto< / a > )) {< / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > protos.push_back(< a class = "code hl_variable" href = "cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2" > proto< / a > );< / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > ++num_read;< / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > 76< / span > }< / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > < / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (reader.< a class = "code hl_function" href = "classrecordio_1_1_record_reader.html#aef7e3d18ef267f23f64ad397fa359cc1" > Close< / a > ())< / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > 79< / span > < < < span class = "stringliteral" > " File ' " < / span > < < < a class = "code hl_namespace" href = "namespacefile.html" > file< / a > -> filename()< / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > < < < span class = "stringliteral" > " ' was not fully read, or something went wrong when closing " < / span > < / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > < span class = "stringliteral" > " it. Is it the right format? (RecordIO of Protocol Buffers)." < / span > ;< / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > < / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > < span class = "keywordflow" > if< / span > (expected_num_records > = 0) {< / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > (num_read, expected_num_records)< / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > < < < span class = "stringliteral" > " There were less than the expected " < / span > < < expected_num_records< / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > < < < span class = "stringliteral" > " in the file." < / span > ;< / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > }< / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > < / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > < span class = "keywordflow" > return< / span > protos;< / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > }< / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > < / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > < span class = "comment" > // Ditto, taking a filename as argument.< / span > < / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Proto> < / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research_1_1internal.html#a4c502cb057a0c067c38aff7673965727" > 94< / a > < / span > std::vector< Proto> < a class = "code hl_function" href = "namespaceoperations__research_1_1internal.html#a69fdb007201984e0caf5498e5a05490f" > ReadNumRecords< / a > (absl::string_view filename,< / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > < span class = "keywordtype" > int< / span > expected_num_records) {< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > < span class = "keywordflow" > return< / span > ReadNumRecords< Proto> (< a class = "code hl_function" href = "namespacefile.html#a38270c9b9606599c428aad7d942ba033" > file::OpenOrDie< / a > (filename, < span class = "stringliteral" > " r" < / span > , < a class = "code hl_function" href = "namespacefile.html#a1abdf766bb120d38e7a4dfa200972681" > file::Defaults< / a > ()),< / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > expected_num_records);< / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > }< / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > } < span class = "comment" > // namespace internal< / span > < / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > < / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > < span class = "comment" > // Reads all records in Proto format in ' file' . Silently does nothing if the< / span > < / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > < span class = "comment" > // file is empty. Dies if the file doesn' t exist or contains something else than< / span > < / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > < span class = "comment" > // protos encoded in RecordIO format.< / span > < / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Proto> < / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research.html#ac9031f8daeb1d1211d7524835aaac549" > 105< / a > < / span > std::vector< Proto> < a class = "code hl_function" href = "namespaceoperations__research.html#ac9031f8daeb1d1211d7524835aaac549" > ReadAllRecordsOrDie< / a > (absl::string_view filename) {< / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > < span class = "keywordflow" > return< / span > internal::ReadNumRecords< Proto> (filename, -1);< / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > }< / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Proto> < / div >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research.html#a0f3f24e096bca7cd6c901f048a1cf61d" > 109< / a > < / span > std::vector< Proto> < a class = "code hl_function" href = "namespaceoperations__research.html#ac9031f8daeb1d1211d7524835aaac549" > ReadAllRecordsOrDie< / a > (< a class = "code hl_class" href = "class_file.html" > File< / a > * < a class = "code hl_namespace" href = "namespacefile.html" > file< / a > ) {< / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / span > < span class = "keywordflow" > return< / span > internal::ReadNumRecords< Proto> (< a class = "code hl_namespace" href = "namespacefile.html" > file< / a > , -1);< / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > }< / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > < / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > < span class = "comment" > // Reads one record from file, which must be in RecordIO binary proto format.< / span > < / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > < span class = "comment" > // Dies if the file can' t be read, doesn' t contain exactly one record, or< / span > < / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > < span class = "comment" > // contains something else than the expected proto in RecordIO format.< / span > < / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Proto> < / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research.html#ace54bf84f7270aae9477ad57dcf7ce59" > 117< / a > < / span > Proto < a class = "code hl_function" href = "namespaceoperations__research.html#ace54bf84f7270aae9477ad57dcf7ce59" > ReadOneRecordOrDie< / a > (absl::string_view filename) {< / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > Proto p;< / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > p.Swap(& internal::ReadNumRecords< Proto> (filename, 1)[0]);< / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > < span class = "keywordflow" > return< / span > p;< / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > }< / div >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > 122< / span > < / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > < span class = "comment" > // Writes all records in Proto format to ' file' . Dies if it is unable to open< / span > < / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > < span class = "comment" > // the file or write to it.< / span > < / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Proto> < / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > < a class = "line" href = "namespaceoperations__research.html#a6b3cadabb0e5354ea2730e10401427f5" > 126< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "namespaceoperations__research.html#a6b3cadabb0e5354ea2730e10401427f5" > WriteRecordsOrDie< / a > (absl::string_view filename,< / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > < span class = "keyword" > const< / span > std::vector< Proto> & protos) {< / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > < a class = "code hl_class" href = "classrecordio_1_1_record_writer.html" > recordio::RecordWriter< / a > writer(< / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > < a class = "code hl_function" href = "namespacefile.html#a38270c9b9606599c428aad7d942ba033" > file::OpenOrDie< / a > (filename, < span class = "stringliteral" > " w" < / span > , < a class = "code hl_function" href = "namespacefile.html#a1abdf766bb120d38e7a4dfa200972681" > file::Defaults< / a > ()));< / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > Proto& < a class = "code hl_variable" href = "cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2" > proto< / a > : protos) {< / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (writer.< a class = "code hl_function" href = "classrecordio_1_1_record_writer.html#af6c3f5b6e7950cfdda469c66f4d825e8" > WriteProtocolMessage< / a > (< a class = "code hl_variable" href = "cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2" > proto< / a > ));< / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > }< / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (writer.< a class = "code hl_function" href = "classrecordio_1_1_record_writer.html#aef7e3d18ef267f23f64ad397fa359cc1" > Close< / a > ());< / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > }< / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > < / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > } < span class = "comment" > // namespace operations_research< / span > < / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / span > < / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > < span class = "preprocessor" > #endif < / span > < span class = "comment" > // OR_TOOLS_UTIL_FILE_UTIL_H_< / span > < / div >
< div class = "ttc" id = "abase_2file_8h_html" > < div class = "ttname" > < a href = "base_2file_8h.html" > file.h< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a3e1cfef60e774a81f30eaddf26a3a274" > < div class = "ttname" > < a href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > < / div > < div class = "ttdeci" > #define CHECK(condition)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00495" > base/logging.h:495< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a7c0ce053b28d53aa4eaf3eb7fb71663b" > < div class = "ttname" > < a href = "base_2logging_8h.html#a7c0ce053b28d53aa4eaf3eb7fb71663b" > CHECK_EQ< / a > < / div > < div class = "ttdeci" > #define CHECK_EQ(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00702" > base/logging.h:702< / a > < / div > < / div >
< div class = "ttc" id = "aclass_file_html" > < div class = "ttname" > < a href = "class_file.html" > File< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2file_8h_source.html#l00032" > base/file.h:32< / a > < / div > < / div >
< div class = "ttc" id = "aclassrecordio_1_1_record_reader_html" > < div class = "ttname" > < a href = "classrecordio_1_1_record_reader.html" > recordio::RecordReader< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "recordio_8h_source.html#l00086" > recordio.h:86< / a > < / div > < / div >
< div class = "ttc" id = "aclassrecordio_1_1_record_reader_html_aef7e3d18ef267f23f64ad397fa359cc1" > < div class = "ttname" > < a href = "classrecordio_1_1_record_reader.html#aef7e3d18ef267f23f64ad397fa359cc1" > recordio::RecordReader::Close< / a > < / div > < div class = "ttdeci" > bool Close()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "recordio_8cc_source.html#l00054" > recordio.cc:54< / a > < / div > < / div >
< div class = "ttc" id = "aclassrecordio_1_1_record_reader_html_aefd9688ad8e40608a91e2189aed986b5" > < div class = "ttname" > < a href = "classrecordio_1_1_record_reader.html#aefd9688ad8e40608a91e2189aed986b5" > recordio::RecordReader::ReadProtocolMessage< / a > < / div > < div class = "ttdeci" > bool ReadProtocolMessage(P *const proto)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "recordio_8h_source.html#l00091" > recordio.h:91< / a > < / div > < / div >
< div class = "ttc" id = "aclassrecordio_1_1_record_writer_html" > < div class = "ttname" > < a href = "classrecordio_1_1_record_writer.html" > recordio::RecordWriter< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "recordio_8h_source.html#l00033" > recordio.h:33< / a > < / div > < / div >
< div class = "ttc" id = "aclassrecordio_1_1_record_writer_html_aef7e3d18ef267f23f64ad397fa359cc1" > < div class = "ttname" > < a href = "classrecordio_1_1_record_writer.html#aef7e3d18ef267f23f64ad397fa359cc1" > recordio::RecordWriter::Close< / a > < / div > < div class = "ttdeci" > bool Close()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "recordio_8cc_source.html#l00029" > recordio.cc:29< / a > < / div > < / div >
< div class = "ttc" id = "aclassrecordio_1_1_record_writer_html_af6c3f5b6e7950cfdda469c66f4d825e8" > < div class = "ttname" > < a href = "classrecordio_1_1_record_writer.html#af6c3f5b6e7950cfdda469c66f4d825e8" > recordio::RecordWriter::WriteProtocolMessage< / a > < / div > < div class = "ttdeci" > bool WriteProtocolMessage(const P & proto)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "recordio_8h_source.html#l00041" > recordio.h:41< / a > < / div > < / div >
< div class = "ttc" id = "acp__model__fz__solver_8cc_html_aed003f5eb5197bc586b7ef2c36a63da2" > < div class = "ttname" > < a href = "cp__model__fz__solver_8cc.html#aed003f5eb5197bc586b7ef2c36a63da2" > proto< / a > < / div > < div class = "ttdeci" > CpModelProto proto< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model__fz__solver_8cc_source.html#l00119" > cp_model_fz_solver.cc:119< / a > < / div > < / div >
< div class = "ttc" id = "anamespacefile_html" > < div class = "ttname" > < a href = "namespacefile.html" > file< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2file_8cc_source.html#l00141" > base/file.cc:141< / a > < / div > < / div >
< div class = "ttc" id = "anamespacefile_html_a1abdf766bb120d38e7a4dfa200972681" > < div class = "ttname" > < a href = "namespacefile.html#a1abdf766bb120d38e7a4dfa200972681" > file::Defaults< / a > < / div > < div class = "ttdeci" > int Defaults()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2file_8h_source.html#l00119" > base/file.h:119< / a > < / div > < / div >
< div class = "ttc" id = "anamespacefile_html_a38270c9b9606599c428aad7d942ba033" > < div class = "ttname" > < a href = "namespacefile.html#a38270c9b9606599c428aad7d942ba033" > file::OpenOrDie< / a > < / div > < div class = "ttdeci" > File * OpenOrDie(const absl::string_view & filename, const absl::string_view & mode, int flags)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2file_8cc_source.html#l00154" > base/file.cc:154< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceinternal_html" > < div class = "ttname" > < a href = "namespaceinternal.html" > internal< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "bop__parameters_8pb_8h_source.html#l00039" > bop_parameters.pb.h:39< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1internal_html_a69fdb007201984e0caf5498e5a05490f" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1internal.html#a69fdb007201984e0caf5498e5a05490f" > operations_research::internal::ReadNumRecords< / a > < / div > < div class = "ttdeci" > std::vector< Proto > ReadNumRecords(File *file, int expected_num_records)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "file__util_8h_source.html#l00067" > file_util.h:67< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html" > < div class = "ttname" > < a href = "namespaceoperations__research.html" > operations_research< / a > < / div > < div class = "ttdoc" > Collection of objects used to extend the Constraint Solver library.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "dense__doubly__linked__list_8h_source.html#l00021" > dense_doubly_linked_list.h:21< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_a0512869fd2f9e687199df5ceb9d04859" > < div class = "ttname" > < a href = "namespaceoperations__research.html#a0512869fd2f9e687199df5ceb9d04859" > operations_research::ReadFileToProtoOrDie< / a > < / div > < div class = "ttdeci" > Proto ReadFileToProtoOrDie(absl::string_view filename)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "file__util_8h_source.html#l00041" > file_util.h:41< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_a319f5b5c935d6fb479624ae04d60d5ea" > < div class = "ttname" > < a href = "namespaceoperations__research.html#a319f5b5c935d6fb479624ae04d60d5ea" > operations_research::ReadFileToString< / a > < / div > < div class = "ttdeci" > absl::StatusOr< std::string > ReadFileToString(absl::string_view filename)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "file__util_8cc_source.html#l00034" > file_util.cc:34< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_a57741d0280e266642d7d146d0d0beedb" > < div class = "ttname" > < a href = "namespaceoperations__research.html#a57741d0280e266642d7d146d0d0beedb" > operations_research::WriteProtoToFile< / a > < / div > < div class = "ttdeci" > bool WriteProtoToFile(absl::string_view filename, const google::protobuf::Message & proto, ProtoWriteFormat proto_write_format, bool gzipped, bool append_extension_to_file_name)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "file__util_8cc_source.html#l00106" > file_util.cc:106< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_a6b3cadabb0e5354ea2730e10401427f5" > < div class = "ttname" > < a href = "namespaceoperations__research.html#a6b3cadabb0e5354ea2730e10401427f5" > operations_research::WriteRecordsOrDie< / a > < / div > < div class = "ttdeci" > void WriteRecordsOrDie(absl::string_view filename, const std::vector< Proto > & protos)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "file__util_8h_source.html#l00126" > file_util.h:126< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_aaf9694f57960ede8c406e3bd923bcd72" > < div class = "ttname" > < a href = "namespaceoperations__research.html#aaf9694f57960ede8c406e3bd923bcd72" > operations_research::ProtoWriteFormat< / a > < / div > < div class = "ttdeci" > ProtoWriteFormat< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "file__util_8h_source.html#l00050" > file_util.h:50< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_aaf9694f57960ede8c406e3bd923bcd72a319f3b99b8d96c21e2f6b7ebc6fe8d8f" > < div class = "ttname" > < a href = "namespaceoperations__research.html#aaf9694f57960ede8c406e3bd923bcd72a319f3b99b8d96c21e2f6b7ebc6fe8d8f" > operations_research::ProtoWriteFormat::kJson< / a > < / div > < div class = "ttdeci" > @ kJson< / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_aaf9694f57960ede8c406e3bd923bcd72aa0af2ac06be96f6784af5295aab62c76" > < div class = "ttname" > < a href = "namespaceoperations__research.html#aaf9694f57960ede8c406e3bd923bcd72aa0af2ac06be96f6784af5295aab62c76" > operations_research::ProtoWriteFormat::kProtoBinary< / a > < / div > < div class = "ttdeci" > @ kProtoBinary< / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_aaf9694f57960ede8c406e3bd923bcd72adb5cce9ced76fea1f9c1e9f3e5cb1d90" > < div class = "ttname" > < a href = "namespaceoperations__research.html#aaf9694f57960ede8c406e3bd923bcd72adb5cce9ced76fea1f9c1e9f3e5cb1d90" > operations_research::ProtoWriteFormat::kCanonicalJson< / a > < / div > < div class = "ttdeci" > @ kCanonicalJson< / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_aaf9694f57960ede8c406e3bd923bcd72adfcd8e748f506324dff6a9d5e7aea00b" > < div class = "ttname" > < a href = "namespaceoperations__research.html#aaf9694f57960ede8c406e3bd923bcd72adfcd8e748f506324dff6a9d5e7aea00b" > operations_research::ProtoWriteFormat::kProtoText< / a > < / div > < div class = "ttdeci" > @ kProtoText< / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_ac9031f8daeb1d1211d7524835aaac549" > < div class = "ttname" > < a href = "namespaceoperations__research.html#ac9031f8daeb1d1211d7524835aaac549" > operations_research::ReadAllRecordsOrDie< / a > < / div > < div class = "ttdeci" > std::vector< Proto > ReadAllRecordsOrDie(absl::string_view filename)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "file__util_8h_source.html#l00105" > file_util.h:105< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_ac9d6b171922e3bb93b3795f4241c70e4" > < div class = "ttname" > < a href = "namespaceoperations__research.html#ac9d6b171922e3bb93b3795f4241c70e4" > operations_research::ReadFileToProto< / a > < / div > < div class = "ttdeci" > bool ReadFileToProto(absl::string_view filename, google::protobuf::Message *proto)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "file__util_8cc_source.html#l00045" > file_util.cc:45< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_html_ace54bf84f7270aae9477ad57dcf7ce59" > < div class = "ttname" > < a href = "namespaceoperations__research.html#ace54bf84f7270aae9477ad57dcf7ce59" > operations_research::ReadOneRecordOrDie< / a > < / div > < div class = "ttdeci" > Proto ReadOneRecordOrDie(absl::string_view filename)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "file__util_8h_source.html#l00117" > file_util.h:117< / a > < / div > < / div >
< div class = "ttc" id = "arecordio_8h_html" > < div class = "ttname" > < a href = "recordio_8h.html" > recordio.h< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
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