mirror of
https://github.com/mum4k/termdash.git
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7c305142db
- support addition of multiple rows at once (to support rowspan). - postpone support of rowspan. - remove support for cell spacing, padding should be enough on a terminal.
85 lines
3.0 KiB
Go
85 lines
3.0 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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// contant_validate.go contains code that validates the user provided Content.
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import (
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"errors"
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"fmt"
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"github.com/mum4k/termdash/internal/numbers"
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"github.com/mum4k/termdash/internal/wrap"
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)
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// validateContent validates the content instance.
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func validateContent(content *Content) error {
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if got, min := int(content.cols), 1; got < min {
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return fmt.Errorf("invalid number of columns %d, must be a value in range %d <= v", got, min)
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}
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if got := len(content.opts.columnWidthsPercent); got > 0 {
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if want := int(content.cols); got != want {
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return fmt.Errorf("invalid number of widths in ColumnWidthsPercent %d, must be equal to the number of columns %d", got, want)
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}
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if sum, want := numbers.SumInts(content.opts.columnWidthsPercent), 100; sum != want {
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return fmt.Errorf("invalid sum of widths in ColumnWidthsPercent %d, must be %d", sum, want)
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}
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}
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if hr := content.header; hr != nil && hr.rowCallback != nil {
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return errors.New("the header row cannot have a callback assigned, header rows cannot be activated")
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}
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for _, row := range content.rows {
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for _, c := range row.cells {
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if got, min := c.colSpan, 1; got < min {
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return fmt.Errorf("invalid CellColSpan %d, must be a value in range %d <= v", got, min)
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}
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if err := validateHierarchical(c.hierarchical); err != nil {
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return err
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}
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if len(c.data.cells) == 0 {
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continue
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}
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if err := wrap.ValidCells(c.data.cells); err != nil {
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return fmt.Errorf("invalid data: %v", err)
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}
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}
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if got, want := row.effectiveColumns(), int(content.cols); got != want {
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return fmt.Errorf("content has %d columns, but row %v has %d, all rows must occupy the same amount of columns", want, row, got)
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}
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}
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return nil
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}
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// validateHierarchical validates the provided hierarchical options including
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// values set on all parents.
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func validateHierarchical(ho *hierarchicalOptions) error {
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for ; ho != nil; ho = ho.parent {
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if got, min := ho.height, 1; got != nil && *got < min {
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return fmt.Errorf("invalid height %d, must be a value in range %d <= v", *got, min)
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}
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if got, min := ho.horizontalPadding, 1; got != nil && *got < min {
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return fmt.Errorf("invalid horizontal padding %d, must be a value in range %d <= v", *got, min)
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}
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if got, min := ho.verticalPadding, 1; got != nil && *got < min {
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return fmt.Errorf("invalid vertical padding %d, must be a value in range %d <= v", *got, min)
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}
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}
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return nil
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}
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