mirror of https://github.com/cheat/cheat.git
83 lines
1.9 KiB
Go
83 lines
1.9 KiB
Go
package main
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import (
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"fmt"
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"os"
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"strings"
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"github.com/cheat/cheat/internal/config"
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"github.com/cheat/cheat/internal/display"
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"github.com/cheat/cheat/internal/sheets"
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)
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// cmdView displays a cheatsheet for viewing.
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func cmdView(opts map[string]interface{}, conf config.Config) {
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cheatsheet := opts["<cheatsheet>"].(string)
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// load the cheatsheets
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cheatsheets, err := sheets.Load(conf.Cheatpaths)
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if err != nil {
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fmt.Fprintf(os.Stderr, "failed to list cheatsheets: %v\n", err)
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os.Exit(1)
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}
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// filter cheatcheats by tag if --tag was provided
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if opts["--tag"] != nil {
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cheatsheets = sheets.Filter(
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cheatsheets,
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strings.Split(opts["--tag"].(string), ","),
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)
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}
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// if --all was passed, display cheatsheets from all cheatpaths
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if opts["--all"].(bool) {
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// iterate over the cheatpaths
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out := ""
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for _, cheatpath := range cheatsheets {
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// if the cheatpath contains the specified cheatsheet, display it
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if sheet, ok := cheatpath[cheatsheet]; ok {
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// identify the matching cheatsheet
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out += fmt.Sprintf("%s %s\n",
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sheet.Title,
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display.Faint(fmt.Sprintf("(%s)", sheet.CheatPath), conf),
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)
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// apply colorization if requested
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if conf.Color(opts) {
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sheet.Colorize(conf)
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}
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// display the cheatsheet
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out += display.Indent(sheet.Text) + "\n"
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}
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}
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// display and exit
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display.Write(strings.TrimSuffix(out, "\n"), conf)
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os.Exit(0)
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}
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// otherwise, consolidate the cheatsheets found on all paths into a single
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// map of `title` => `sheet` (ie, allow more local cheatsheets to override
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// less local cheatsheets)
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consolidated := sheets.Consolidate(cheatsheets)
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// fail early if the requested cheatsheet does not exist
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sheet, ok := consolidated[cheatsheet]
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if !ok {
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fmt.Printf("No cheatsheet found for '%s'.\n", cheatsheet)
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os.Exit(2)
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}
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// apply colorization if requested
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if conf.Color(opts) {
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sheet.Colorize(conf)
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}
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// display the cheatsheet
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display.Write(sheet.Text, conf)
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}
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