mirror of
https://github.com/mum4k/termdash.git
synced 2025-05-08 19:29:25 +08:00
97 lines
2.5 KiB
Go
97 lines
2.5 KiB
Go
// Copyright 2019 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package table
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// content_data.go defines a type that represents data within a table cell.
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import (
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"bytes"
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"github.com/mum4k/termdash/cell"
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"github.com/mum4k/termdash/internal/canvas/buffer"
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)
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// DataOption is used to provide options to NewDataWithOpts.
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type DataOption interface {
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// set sets the provided option.
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set(*dataOptions)
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}
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// dataOptions stores the provided data options.
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type dataOptions struct {
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cellOpts []cell.Option
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}
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// dataOption implements DataOption.
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type dataOption func(*dataOptions)
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// set implements Option.set.
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func (do dataOption) set(dOpts *dataOptions) {
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do(dOpts)
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}
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// DataCellOpts sets options on the cells that contain the data.
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func DataCellOpts(cellOpts ...cell.Option) DataOption {
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return dataOption(func(dOpts *dataOptions) {
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dOpts.cellOpts = cellOpts
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})
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}
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// Data is part of (or the full) the data that is displayed inside one Cell.
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type Data struct {
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// cells contain the text and its cell options.
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cells []*buffer.Cell
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}
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// String implements fmt.Stringer.
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func (d *Data) String() string {
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var b bytes.Buffer
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for _, c := range d.cells {
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b.WriteRune(c.Rune)
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}
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return b.String()
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}
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// NewData creates new Data with the provided text and applies the options.
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// The text contain cannot control characters (unicode.IsControl) or space
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// character (unicode.IsSpace) other than:
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// ' ', '\n'
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// Any newline ('\n') characters are interpreted as newlines when displaying
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// the text.
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func NewData(text string, opts ...DataOption) *Data {
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dOpts := &dataOptions{}
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for _, opt := range opts {
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opt.set(dOpts)
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}
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var cells []*buffer.Cell
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for _, r := range text {
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cells = append(cells, buffer.NewCell(r, dOpts.cellOpts...))
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}
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return &Data{
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cells: cells,
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}
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}
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// newCombinedData returns a Data instance that combines cells from all the
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// data instances passed in.
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func newCombinedData(data []*Data) *Data {
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res := &Data{}
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for _, d := range data {
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res.cells = append(res.cells, d.cells...)
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}
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return res
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}
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