mirror of https://github.com/cheat/cheat.git
98 lines
2.4 KiB
Go
98 lines
2.4 KiB
Go
package main
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import (
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"fmt"
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"os"
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"regexp"
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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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// cmdSearch searches for strings in cheatsheets.
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func cmdSearch(opts map[string]interface{}, conf config.Config) {
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phrase := opts["--search"].(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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// iterate over each cheatpath
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out := ""
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for _, pathcheats := range cheatsheets {
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// sort the cheatsheets alphabetically, and search for matches
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for _, sheet := range sheets.Sort(pathcheats) {
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// if <cheatsheet> was provided, constrain the search only to
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// matching cheatsheets
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if opts["<cheatsheet>"] != nil && sheet.Title != opts["<cheatsheet>"] {
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continue
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}
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// assume that we want to perform a case-insensitive search for <phrase>
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pattern := "(?i)" + phrase
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// unless --regex is provided, in which case we pass the regex unaltered
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if opts["--regex"] == true {
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pattern = phrase
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}
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// compile the regex
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reg, err := regexp.Compile(pattern)
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if err != nil {
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fmt.Fprintf(os.Stderr, "failed to compile regexp: %s, %v\n", pattern, err)
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os.Exit(1)
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}
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// `Search` will return text entries that match the search terms.
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// We're using it here to overwrite the prior cheatsheet Text,
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// filtering it to only what is relevant.
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sheet.Text = sheet.Search(reg)
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// if the sheet did not match the search, ignore it and move on
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if sheet.Text == "" {
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continue
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}
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// if colorization was requested, apply it here
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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 body
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out += fmt.Sprintf(
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"%s %s\n%s\n",
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// append the cheatsheet title
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sheet.Title,
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// append the cheatsheet path
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display.Faint(fmt.Sprintf("(%s)", sheet.CheatPath), conf),
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// indent each line of content
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display.Indent(sheet.Text),
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)
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}
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}
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// trim superfluous newlines
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out = strings.TrimSpace(out)
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// display the output
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// NB: resist the temptation to call `display.Write` multiple times in the
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// loop above. That will not play nicely with the paginator.
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display.Write(out, conf)
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}
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