blob: 1aa1eac1fe86f68c7e1702b98b0613bfa0738c52 [file] [log] [blame]
// Copyright 2013 The Go Authors. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd.
package gosrc
import (
"regexp"
"strconv"
"strings"
)
var defaultTags = map[string]string{"git": "master", "hg": "default"}
func bestTag(tags map[string]string, defaultTag string) (string, string, error) {
if commit, ok := tags["go1"]; ok {
return "go1", commit, nil
}
if commit, ok := tags[defaultTag]; ok {
return defaultTag, commit, nil
}
return "", "", NotFoundError{Message: "Tag or branch not found."}
}
// expand replaces {k} in template with match[k] or subs[atoi(k)] if k is not in match.
func expand(template string, match map[string]string, subs ...string) string {
var p []byte
var i int
for {
i = strings.Index(template, "{")
if i < 0 {
break
}
p = append(p, template[:i]...)
template = template[i+1:]
i = strings.Index(template, "}")
if s, ok := match[template[:i]]; ok {
p = append(p, s...)
} else {
j, _ := strconv.Atoi(template[:i])
p = append(p, subs[j]...)
}
template = template[i+1:]
}
p = append(p, template...)
return string(p)
}
var readmePat = regexp.MustCompile(`(?i)^readme(?:$|\.)`)
// isDocFile returns true if a file with name n should be included in the
// documentation.
func isDocFile(n string) bool {
if strings.HasSuffix(n, ".go") && n[0] != '_' && n[0] != '.' {
return true
}
return readmePat.MatchString(n)
}
var linePat = regexp.MustCompile(`(?m)^//line .*$`)
func OverwriteLineComments(p []byte) {
for _, m := range linePat.FindAllIndex(p, -1) {
for i := m[0] + 2; i < m[1]; i++ {
p[i] = ' '
}
}
}