// Copyright 2016-2018, Pulumi Corporation. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package display import ( "strings" "github.com/pulumi/pulumi/sdk/v3/go/common/diag/colors" "github.com/pulumi/pulumi/sdk/v3/go/common/util/contract" ) func columnHeader(msg string) string { return colors.Underline + colors.BrightBlue + msg + colors.Reset } func messagePadding(message string, maxWidth, extraPadding int) string { extraWhitespace := maxWidth - colors.MeasureColorizedString(message) contract.Assertf(extraWhitespace >= 0, "Neg whitespace. %v %s", maxWidth, message) // Place two spaces between all columns (except after the first column). The first // column already has a ": " so it doesn't need the extra space. extraWhitespace += extraPadding return strings.Repeat(" ", extraWhitespace) } // Gets the padding necessary to prepend to a column in order to keep it aligned in the terminal. func columnPadding(columns []string, columnIndex int, maxColumnWidths []int) string { extraWhitespace := " " if columnIndex >= 0 && len(maxColumnWidths) > 0 { column := columns[columnIndex] maxWidth := maxColumnWidths[columnIndex] extraWhitespace = messagePadding(column, maxWidth, 2) } return extraWhitespace } // Gets the fully padded message to be shown. The message will always include the ID of the // status, then some amount of optional padding, then some amount of msgWithColors, then the // suffix. Importantly, if there isn't enough room to display all of that on the terminal, then // the msg will be truncated to try to make it fit. func renderRow(columns []string, maxColumnWidths []int) string { var row strings.Builder for i := 0; i < len(columns); i++ { row.WriteString(columnPadding(columns, i-1, maxColumnWidths)) row.WriteString(columns[i]) } return row.String() }