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util.go
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util.go
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/*
* Copyright 2023 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package proto
import (
"bufio"
"os"
"regexp"
"strconv"
"strings"
"unicode"
)
func RemoveSemicolon(in string) string {
return strings.ReplaceAll(in, Semicolon, Empty)
}
func RemoveDoubleQuotes(in string) string {
return strings.ReplaceAll(in, DoubleQuote, Empty)
}
func ParseOrdinal(in string) int {
i, err := strconv.ParseInt(in, 10, 64)
if err != nil {
Log.Debugf("Failed to parse %s for integer", in)
return 0
}
return int(i)
}
func FormatLine(in string) string {
return strings.TrimSpace(SpaceRemover.ReplaceAllString(in, " "))
}
func Join(joinCharacter string, values ...string) string {
out := ""
count := len(values)
for i := 0; i < count; i++ {
if i < count-1 {
out += values[i] + joinCharacter
} else {
out += values[i]
}
}
return out
}
func NormalizeName(in string) string {
clean := ""
for i, r := range in {
if i > 0 && unicode.IsUpper(r) {
clean += Space
}
clean += string(r)
}
return strings.ReplaceAll(strings.ToLower(clean), Space, "_")
}
func ReadFileToArray(file *os.File) []string {
cleaner := regexp.MustCompile(`\s+|\n`)
lines := make([]string, 0)
scanner := bufio.NewScanner(file)
scanner.Split(bufio.ScanRunes)
line := ""
tokenReached := false
for scanner.Scan() {
rune := scanner.Text()
if !strings.HasPrefix(line, MultiLineCommentInitiator) && (rune == Semicolon || rune == OpenBrace || rune == CloseBrace) {
lines = append(lines, cleaner.ReplaceAllString(line+rune, Space))
tokenReached = true
line = ""
} else if strings.HasPrefix(line, InlineCommentPrefix) && rune == EndL {
// Swap the comment with the tokenized line, accounting for: [{|;|}] //some comment
if tokenReached {
lines = append(lines, cleaner.ReplaceAllString(strings.TrimSpace(line), Space))
// Swap first and last element
pLine := lines[len(lines)-2]
cLine := lines[len(lines)-1]
lines[len(lines)-2] = cLine
lines[len(lines)-1] = pLine
} else {
lines = append(lines, cleaner.ReplaceAllString(strings.TrimSpace(line), Space))
}
line = ""
tokenReached = false
} else if strings.HasPrefix(line, MultiLineCommentInitiator) && strings.HasSuffix(line, MultilineCommentTerminator) {
lines = append(lines, cleaner.ReplaceAllString(strings.TrimSpace(line), Space))
line = ""
} else {
if rune != EndL {
if rune == Space {
if len(line) > 0 {
line += rune
}
} else {
line += rune
}
} else {
// Add a space to account for new lines in multiline comment
if strings.HasPrefix(line, MultiLineCommentInitiator) {
line += CommentNewLine
}
tokenReached = false
}
}
}
if Log.debug {
for i, l := range lines {
Log.Debugf("%d. %s", i, l)
}
}
return lines
}
// RemoveNameQualification formats a parameter into a single name, this is due
// to a limitation in Mermaid that DOES NOT support fully qualified names.
func RemoveNameQualification(in string) string {
if strings.Contains(in, Period) {
return in[strings.LastIndex(in, Period)+1:]
} else {
return in
}
}