mirror of https://github.com/pulumi/pulumi.git
63 lines
2.4 KiB
Go
63 lines
2.4 KiB
Go
// Copyright 2016-2018, Pulumi Corporation.
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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 display
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import (
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"strings"
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"unicode/utf8"
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"github.com/pulumi/pulumi/sdk/v3/go/common/diag/colors"
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"github.com/pulumi/pulumi/sdk/v3/go/common/util/contract"
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)
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func columnHeader(msg string) string {
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return colors.Underline + colors.BrightBlue + msg + colors.Reset
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}
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func messagePadding(message string, maxLength, extraPadding int) string {
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extraWhitespace := maxLength - utf8.RuneCountInString(message)
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contract.Assertf(extraWhitespace >= 0, "Neg whitespace. %v %s", maxLength, message)
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// Place two spaces between all columns (except after the first column). The first
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// column already has a ": " so it doesn't need the extra space.
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extraWhitespace += extraPadding
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return strings.Repeat(" ", extraWhitespace)
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}
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// Gets the padding necessary to prepend to a column in order to keep it aligned in the terminal.
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func columnPadding(uncolorizedColumns []string, columnIndex int, maxColumnLengths []int) string {
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extraWhitespace := " "
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if columnIndex >= 0 && len(maxColumnLengths) > 0 {
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column := uncolorizedColumns[columnIndex]
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maxLength := maxColumnLengths[columnIndex]
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extraWhitespace = messagePadding(column, maxLength, 2)
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}
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return extraWhitespace
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}
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// Gets the fully padded message to be shown. The message will always include the ID of the
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// status, then some amount of optional padding, then some amount of msgWithColors, then the
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// suffix. Importantly, if there isn't enough room to display all of that on the terminal, then
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// the msg will be truncated to try to make it fit.
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func renderRow(colorizedColumns, uncolorizedColumns []string, maxColumnLengths []int) string {
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var row strings.Builder
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for i := 0; i < len(colorizedColumns); i++ {
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row.WriteString(columnPadding(uncolorizedColumns, i-1, maxColumnLengths))
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row.WriteString(colorizedColumns[i])
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}
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return row.String()
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}
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