75 lines
1.9 KiB
Go
75 lines
1.9 KiB
Go
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/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"fmt"
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"regexp"
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)
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var headerRegex = regexp.MustCompile(`^(#+)\s*(.*)$`)
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func fixHeaderLine(mlines mungeLines, newlines mungeLines, linenum int) mungeLines {
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var out mungeLines
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mline := mlines[linenum]
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line := mlines[linenum].data
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matches := headerRegex.FindStringSubmatch(line)
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if matches == nil {
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out = append(out, mline)
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return out
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}
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// There must be a blank line before the # (unless first line in file)
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if linenum != 0 {
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newlen := len(newlines)
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if newlines[newlen-1].data != "" {
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out = append(out, blankMungeLine)
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}
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}
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// There must be a space AFTER the ##'s
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newline := fmt.Sprintf("%s %s", matches[1], matches[2])
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newmline := newMungeLine(newline)
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out = append(out, newmline)
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// The next line needs to be a blank line (unless last line in file)
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if len(mlines) > linenum+1 && mlines[linenum+1].data != "" {
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out = append(out, blankMungeLine)
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}
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return out
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}
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// Header lines need whitespace around them and after the #s.
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func updateHeaderLines(filePath string, mlines mungeLines) (mungeLines, error) {
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var out mungeLines
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for i, mline := range mlines {
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if mline.preformatted {
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out = append(out, mline)
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continue
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}
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if !mline.header {
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out = append(out, mline)
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continue
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}
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newLines := fixHeaderLine(mlines, out, i)
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out = append(out, newLines...)
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}
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return out, nil
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}
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