162 lines
5.6 KiB
C
162 lines
5.6 KiB
C
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// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#pragma once
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#include <iosfwd>
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#include <string>
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#include <utility>
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#include "arrow/util/visibility.h"
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namespace arrow {
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class Array;
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class ChunkedArray;
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class RecordBatch;
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class Schema;
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class Status;
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class Table;
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/// \class PrettyPrintDelimiters
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/// \brief Options for controlling which delimiters to use when printing
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/// an Array or ChunkedArray.
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struct ARROW_EXPORT PrettyPrintDelimiters {
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/// Delimiter to use when opening an Array or ChunkedArray (e.g. "[")
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std::string open = "[";
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/// Delimiter to use when closing an Array or ChunkedArray (e.g. "]")
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std::string close = "]";
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/// Delimiter for separating individual elements of an Array (e.g. ","),
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/// or individual chunks of a ChunkedArray
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std::string element = ",";
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/// Create a PrettyPrintDelimiters instance with default values
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static PrettyPrintDelimiters Defaults() { return PrettyPrintDelimiters(); }
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};
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/// \class PrettyPrintOptions
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/// \brief Options for controlling how various Arrow types should be printed.
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struct ARROW_EXPORT PrettyPrintOptions {
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PrettyPrintOptions() = default;
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PrettyPrintOptions(int indent, // NOLINT runtime/explicit
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int window = 10, int indent_size = 2, std::string null_rep = "null",
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bool skip_new_lines = false, bool truncate_metadata = true,
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int container_window = 2, int element_size_limit = 100)
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: indent(indent),
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indent_size(indent_size),
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window(window),
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container_window(container_window),
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null_rep(std::move(null_rep)),
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skip_new_lines(skip_new_lines),
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truncate_metadata(truncate_metadata),
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element_size_limit(element_size_limit) {}
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/// Create a PrettyPrintOptions instance with default values
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static PrettyPrintOptions Defaults() { return PrettyPrintOptions(); }
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/// Number of spaces to shift entire formatted object to the right
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int indent = 0;
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/// Size of internal indents
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int indent_size = 2;
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/// Maximum number of elements to show at the beginning and at the end.
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int window = 10;
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/// Maximum number of elements to show at the beginning and at the end, for elements
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/// that are containers (that is, list in ListArray and chunks in ChunkedArray)
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int container_window = 2;
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/// String to use for representing a null value, defaults to "null"
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std::string null_rep = "null";
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/// Skip new lines between elements, defaults to false
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bool skip_new_lines = false;
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/// Limit display of each KeyValueMetadata key/value pair to a single line at
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/// 80 character width
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bool truncate_metadata = true;
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/// If true, display field metadata when pretty-printing a Schema
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bool show_field_metadata = true;
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/// If true, display schema metadata when pretty-printing a Schema
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bool show_schema_metadata = true;
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/// Limit each element to specified number of characters, defaults to 100
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int element_size_limit = 100;
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/// Delimiters to use when printing an Array
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PrettyPrintDelimiters array_delimiters = PrettyPrintDelimiters::Defaults();
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/// Delimiters to use when printing a ChunkedArray
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PrettyPrintDelimiters chunked_array_delimiters = PrettyPrintDelimiters::Defaults();
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};
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/// \brief Print human-readable representation of RecordBatch
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ARROW_EXPORT
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Status PrettyPrint(const RecordBatch& batch, int indent, std::ostream* sink);
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ARROW_EXPORT
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Status PrettyPrint(const RecordBatch& batch, const PrettyPrintOptions& options,
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std::ostream* sink);
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/// \brief Print human-readable representation of Table
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ARROW_EXPORT
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Status PrettyPrint(const Table& table, const PrettyPrintOptions& options,
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std::ostream* sink);
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/// \brief Print human-readable representation of Array
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ARROW_EXPORT
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Status PrettyPrint(const Array& arr, int indent, std::ostream* sink);
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/// \brief Print human-readable representation of Array
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ARROW_EXPORT
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Status PrettyPrint(const Array& arr, const PrettyPrintOptions& options,
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std::ostream* sink);
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/// \brief Print human-readable representation of Array
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ARROW_EXPORT
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Status PrettyPrint(const Array& arr, const PrettyPrintOptions& options,
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std::string* result);
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/// \brief Print human-readable representation of ChunkedArray
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ARROW_EXPORT
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Status PrettyPrint(const ChunkedArray& chunked_arr, const PrettyPrintOptions& options,
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std::ostream* sink);
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/// \brief Print human-readable representation of ChunkedArray
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ARROW_EXPORT
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Status PrettyPrint(const ChunkedArray& chunked_arr, const PrettyPrintOptions& options,
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std::string* result);
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ARROW_EXPORT
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Status PrettyPrint(const Schema& schema, const PrettyPrintOptions& options,
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std::ostream* sink);
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ARROW_EXPORT
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Status PrettyPrint(const Schema& schema, const PrettyPrintOptions& options,
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std::string* result);
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ARROW_EXPORT
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Status DebugPrint(const Array& arr, int indent);
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} // namespace arrow
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