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335 lines
10 KiB
Go
335 lines
10 KiB
Go
package output
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import (
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"log/slog"
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"time"
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"github.com/fatih/color"
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"github.com/samber/lo"
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"github.com/neilotoole/sq/libsq/core/timez"
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)
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// Printing describes color and pretty-printing options.
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type Printing struct {
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// FormatDatetime formats a timestamp e.g. 2020-11-12T13:14:15Z.
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// Defaults to timez.DefaultDatetime.
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FormatDatetime func(time time.Time) string
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// FormatTime formats a time of day, e.g. 13:14:15.
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// Defaults to timez.DefaultTime.
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FormatTime func(time time.Time) string
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// FormatDate formats a date, e.g. 2020-11-12.
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// Defaults to timez.DefaultDate.
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FormatDate func(time time.Time) string
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// Active is the color for an active handle (or group, etc).
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Active *color.Color
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// Bold is the color for bold elements. Frequently Punc will just be color.Bold.
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Bold *color.Color
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// Bool is the color for boolean values.
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Bool *color.Color
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// Bytes is the color for byte / binary values.
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Bytes *color.Color
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// Datetime is the color for time-related values.
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Datetime *color.Color
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// DiffPlus is the color for diff plus "+" elements.
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DiffPlus *color.Color
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// DiffMinus is the color for diff minus "-" elements.
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DiffMinus *color.Color
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// DiffHeader is the color for diff header elements.
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DiffHeader *color.Color
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// DiffSection is the color for diff section elements.
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DiffSection *color.Color
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// DiffNormal is the color for regular diff text.
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DiffNormal *color.Color
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// Disabled is the color for disabled elements.
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Disabled *color.Color
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// Duration is the color for time duration values.
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Duration *color.Color
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// Enabled is the color for enabled elements.
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Enabled *color.Color
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// Error is the color for error elements such as an error message.
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Error *color.Color
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// Faint is the color for faint elements - the opposite of Hilite.
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Faint *color.Color
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// Handle is the color for source handles such as "@sakila"
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Handle *color.Color
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// Header is the color for header elements in a table.
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Header *color.Color
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// Hilite is the color for highlighted elements.
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Hilite *color.Color
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// Key is the color for keys such as a JSON field name.
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Key *color.Color
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// Location is the color for Source.Location values.
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Location *color.Color
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// Null is the color for null.
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Null *color.Color
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// Normal is the default color.
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Normal *color.Color
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// Number is the color for number values, including int, float, decimal etc.
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Number *color.Color
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// Punc is the color for punctuation such as colons, braces, etc.
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Punc *color.Color
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// String is the color for string values.
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String *color.Color
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// Success is the color for success elements.
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Success *color.Color
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// Stack is the color for stack traces.
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Stack *color.Color
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// StackError is the color for errors attached to a stack trace.
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StackError *color.Color
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// StackErrorType is the color for the error types attached to a stack trace.
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StackErrorType *color.Color
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// Warning is the color for warning elements.
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Warning *color.Color
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// Indent is the indent string to use when pretty-printing,
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// typically two spaces.
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Indent string
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// ExcelDatetimeFormat is the format string for datetime values.
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// See excelw.OptDatetimeFormat.
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ExcelDatetimeFormat string
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// ExcelDateFormat is the format string for date values.
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// See excelw.OptDateFormat.
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ExcelDateFormat string
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// ExcelTimeFormat is the format string for time values.
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// See excelw.OptTimeFormat.
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ExcelTimeFormat string
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// FlushThreshold is the size in bytes after which an output writer
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// should flush any internal buffer.
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FlushThreshold int
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// monochrome is controlled by EnableColor.
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monochrome bool
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// ShowHeader indicates that a header (e.g. a header row) should
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// be printed where applicable.
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ShowHeader bool
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// Verbose indicates that verbose output should be printed where
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// applicable.
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Verbose bool
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// Compact indicates that output should not be pretty-printed.
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// Typically this means indentation, new lines, etc., but
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// varies by output format.
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Compact bool
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// Redact indicates that sensitive fields (such as passwords)
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// should be redacted (hidden/masked).
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//
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// TODO: Redact is not being honored by the writers.
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Redact bool
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// FormatDatetimeAsNumber indicates that datetime values should be
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// rendered as naked numbers (instead of as a string) if possible.
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// See cli.OptDatetimeFormatAsNumber.
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FormatDatetimeAsNumber bool
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// FormatTimeAsNumber indicates that time values should be
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// rendered as naked numbers (instead of as a string) if possible.
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// See cli.OptTimeFormatAsNumber.
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FormatTimeAsNumber bool
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// FormatDateAsNumber indicates that date values should be
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// rendered as naked numbers (instead of as a string) if possible.
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// See cli.OptDateFormatAsNumber.
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FormatDateAsNumber bool
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}
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// NewPrinting returns a Printing instance. Color and pretty-print
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// are enabled. The default indent is two spaces.
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func NewPrinting() *Printing {
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pr := &Printing{
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ShowHeader: true,
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Verbose: false,
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Compact: false,
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Redact: true,
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FlushThreshold: 1000,
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FormatDatetime: timez.FormatFunc(timez.DefaultDatetime),
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FormatDatetimeAsNumber: false,
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FormatTime: timez.FormatFunc(timez.DefaultTime),
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FormatTimeAsNumber: false,
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FormatDate: timez.FormatFunc(timez.DefaultDate),
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FormatDateAsNumber: false,
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monochrome: false,
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Indent: " ",
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Active: color.New(color.FgGreen, color.Bold),
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Bold: color.New(color.Bold),
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Bool: color.New(color.FgYellow),
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Bytes: color.New(color.Faint),
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Datetime: color.New(color.FgGreen, color.Faint),
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DiffHeader: color.New(color.Bold),
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DiffMinus: color.New(color.FgRed),
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DiffNormal: color.New(color.Faint),
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DiffPlus: color.New(color.FgGreen),
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DiffSection: color.New(color.FgCyan),
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Disabled: color.New(color.FgYellow, color.Faint),
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Duration: color.New(color.FgGreen, color.Faint),
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Enabled: color.New(color.FgGreen, color.Faint),
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Error: color.New(color.FgRed, color.Bold),
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Faint: color.New(color.Faint),
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Handle: color.New(color.FgBlue),
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Header: color.New(color.FgBlue),
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Hilite: color.New(color.FgHiBlue),
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Key: color.New(color.FgBlue, color.Bold),
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Location: color.New(color.FgGreen),
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Normal: color.New(),
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Null: color.New(color.Faint),
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Number: color.New(color.FgCyan),
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Punc: color.New(color.Bold),
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String: color.New(color.FgGreen),
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Stack: color.New(color.Faint),
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StackError: color.New(color.FgYellow, color.Faint),
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StackErrorType: color.New(color.FgGreen, color.Faint),
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Success: color.New(color.FgGreen, color.Bold),
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Warning: color.New(color.FgYellow),
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}
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pr.EnableColor(true)
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return pr
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}
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// Clone returns a clone of pr.
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func (pr *Printing) Clone() *Printing {
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pr2 := &Printing{
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monochrome: pr.monochrome,
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FlushThreshold: pr.FlushThreshold,
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ShowHeader: pr.ShowHeader,
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Verbose: pr.Verbose,
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Compact: pr.Compact,
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Indent: pr.Indent,
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Redact: pr.Redact,
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FormatDatetime: pr.FormatDatetime,
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FormatDatetimeAsNumber: pr.FormatDatetimeAsNumber,
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FormatTime: pr.FormatTime,
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FormatTimeAsNumber: pr.FormatTimeAsNumber,
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FormatDate: pr.FormatDate,
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FormatDateAsNumber: pr.FormatDateAsNumber,
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}
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pr2.Active = lo.ToPtr(*pr.Active)
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pr2.Bold = lo.ToPtr(*pr.Bold)
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pr2.Bool = lo.ToPtr(*pr.Bool)
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pr2.Bytes = lo.ToPtr(*pr.Bytes)
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pr2.Datetime = lo.ToPtr(*pr.Datetime)
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pr2.DiffPlus = lo.ToPtr(*pr.DiffPlus)
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pr2.DiffMinus = lo.ToPtr(*pr.DiffMinus)
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pr2.DiffHeader = lo.ToPtr(*pr.DiffHeader)
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pr2.DiffSection = lo.ToPtr(*pr.DiffSection)
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pr2.DiffNormal = lo.ToPtr(*pr.DiffNormal)
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pr2.Disabled = lo.ToPtr(*pr.Disabled)
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pr2.Duration = lo.ToPtr(*pr.Duration)
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pr2.Enabled = lo.ToPtr(*pr.Enabled)
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pr2.Error = lo.ToPtr(*pr.Error)
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pr2.Faint = lo.ToPtr(*pr.Faint)
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pr2.Handle = lo.ToPtr(*pr.Handle)
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pr2.Header = lo.ToPtr(*pr.Header)
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pr2.Hilite = lo.ToPtr(*pr.Hilite)
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pr2.Key = lo.ToPtr(*pr.Key)
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pr2.Location = lo.ToPtr(*pr.Location)
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pr2.Null = lo.ToPtr(*pr.Null)
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pr2.Normal = lo.ToPtr(*pr.Normal)
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pr2.Number = lo.ToPtr(*pr.Number)
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pr2.Punc = lo.ToPtr(*pr.Punc)
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pr2.String = lo.ToPtr(*pr.String)
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pr2.Success = lo.ToPtr(*pr.Success)
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pr2.Stack = lo.ToPtr(*pr.Stack)
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pr2.StackError = lo.ToPtr(*pr.StackError)
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pr2.StackErrorType = lo.ToPtr(*pr.StackErrorType)
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pr2.Warning = lo.ToPtr(*pr.Warning)
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return pr2
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}
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// LogValue implements slog.LogValuer.
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func (pr *Printing) LogValue() slog.Value {
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if pr == nil {
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return slog.Value{}
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}
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// REVISIT: Should we output all Printing values here?
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return slog.GroupValue(
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slog.Bool("verbose", pr.Verbose),
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slog.Bool("header", pr.ShowHeader),
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slog.Bool("monochrome", pr.monochrome),
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slog.Bool("compact", pr.Compact),
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slog.Bool("redact", pr.Redact),
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slog.Int("flush-threshold", pr.FlushThreshold),
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slog.String("indent", pr.Indent),
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slog.Bool("format.datetime.number", pr.FormatDatetimeAsNumber),
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slog.Bool("format.date.number", pr.FormatDateAsNumber),
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slog.Bool("format.time.number", pr.FormatTimeAsNumber),
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)
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}
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func (pr *Printing) colors() []*color.Color {
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return []*color.Color{
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pr.Active, pr.Bold, pr.Bold, pr.Bytes, pr.Datetime, pr.Duration,
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pr.DiffHeader, pr.DiffMinus, pr.DiffPlus, pr.DiffNormal, pr.DiffSection,
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pr.Disabled, pr.Enabled,
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pr.Error, pr.Faint, pr.Handle, pr.Header, pr.Hilite,
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pr.Key, pr.Location, pr.Normal, pr.Null, pr.Number, pr.Punc,
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pr.Stack, pr.StackError, pr.StackErrorType,
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pr.String, pr.Success, pr.Warning,
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}
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}
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// IsMonochrome returns true if in monochrome (no color) mode.
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// Default is false (color enabled) for a new instance.
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func (pr *Printing) IsMonochrome() bool {
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return pr.monochrome
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}
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// EnableColor enables or disables all colors.
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func (pr *Printing) EnableColor(enable bool) {
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if enable {
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pr.monochrome = false
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for _, clr := range pr.colors() {
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clr.EnableColor()
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}
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return
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}
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pr.monochrome = true
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for _, clr := range pr.colors() {
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clr.DisableColor()
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}
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}
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