78 lines
1.6 KiB
Go
78 lines
1.6 KiB
Go
// Package templates contains the valyala/quicktemplate based code generation
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// templates used by chromedp-gen.
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package templates
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import (
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"strings"
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"unicode"
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"github.com/knq/chromedp/cmd/chromedp-gen/internal"
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"github.com/knq/snaker"
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)
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const (
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commentWidth = 80
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commentPrefix = `// `
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)
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var toUpper = map[string]bool{
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"DOM": true,
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"X": true,
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"Y": true,
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}
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var keep = map[string]bool{
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"JavaScript": true,
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}
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// formatComment formats a comment.
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func formatComment(s, chop, newstr string) string {
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s = strings.TrimPrefix(s, chop)
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s = strings.TrimSpace(internal.CleanDesc(s))
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l := len(s)
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if newstr != "" && l > 0 {
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if i := strings.IndexFunc(s, unicode.IsSpace); i != -1 {
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firstWord, remaining := s[:i], s[i:]
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if snaker.IsInitialism(firstWord) || toUpper[firstWord] {
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s = strings.ToUpper(firstWord)
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} else if keep[firstWord] {
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s = firstWord
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} else {
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s = strings.ToLower(firstWord[:1]) + firstWord[1:]
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}
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s += remaining
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}
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}
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s = newstr + strings.TrimSuffix(s, ".")
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if l < 1 {
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s += "[no description]"
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}
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s += "."
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return wrap(s, commentWidth-len(commentPrefix), commentPrefix)
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}
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// wrap wraps a line of text to the specified width, and adding the prefix to
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// each wrapped line.
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func wrap(s string, width int, prefix string) string {
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words := strings.Fields(strings.TrimSpace(s))
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if len(words) == 0 {
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return s
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}
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wrapped := prefix + words[0]
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spaceLeft := width - len(wrapped)
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for _, word := range words[1:] {
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if len(word)+1 > spaceLeft {
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wrapped += "\n" + prefix + word
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spaceLeft = width - len(word)
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} else {
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wrapped += " " + word
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spaceLeft -= 1 + len(word)
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}
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}
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return wrapped
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}
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