62 lines
2.0 KiB
Go
62 lines
2.0 KiB
Go
package editorconfig
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import (
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"regexp"
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"strings"
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)
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var fullFileCheckers = map[string]FullFileChecker{
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"end_of_line": CheckEndOfLineRule,
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}
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type FullFileChecker func(ruleValue string, fileContent string) *FullFileCheckResult
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// @todo - add fixers to each instance of FullFileCheckResult.
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type FullFileCheckResult struct {
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isOk bool
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messageIfNotOk string
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}
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var lfRegexp = regexp.MustCompile(`\n`)
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var crRegexp = regexp.MustCompile(`\r`)
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var crlfRegexp = regexp.MustCompile(`\r\n`)
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func CheckEndOfLineRule(ruleValue string, fileContent string) *FullFileCheckResult {
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// Valid rules values are "lf", "cr", or "crlf". The values are case insensitive.
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ruleValueLowercase := strings.ToLower(ruleValue)
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if ruleValueLowercase != "lf" && ruleValueLowercase != "cr" && ruleValueLowercase != "crlf" {
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return &FullFileCheckResult{isOk: false, messageIfNotOk: "end_of_line value is not valid: " + ruleValue}
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}
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if ruleValueLowercase == "lf" {
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if crlfRegexp.MatchString(fileContent) {
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return &FullFileCheckResult{isOk: false, messageIfNotOk: "should use LF for new lines but contains CRLF"}
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}
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if crRegexp.MatchString(fileContent) {
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return &FullFileCheckResult{isOk: false, messageIfNotOk: "should use LF for new lines but contains CR"}
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}
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}
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if ruleValueLowercase == "cr" {
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if crlfRegexp.MatchString(fileContent) {
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return &FullFileCheckResult{isOk: false, messageIfNotOk: "should use CR for new lines but contains CRLF"}
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}
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if lfRegexp.MatchString(fileContent) {
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return &FullFileCheckResult{isOk: false, messageIfNotOk: "should use CR for new lines but contains LF"}
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}
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}
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if ruleValueLowercase == "crlf" {
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fileContent := crlfRegexp.ReplaceAllString(fileContent, "")
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if lfRegexp.MatchString(fileContent) {
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return &FullFileCheckResult{isOk: false, messageIfNotOk: "should use CRLF for new lines but contains LF"}
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}
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if crRegexp.MatchString(fileContent) {
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return &FullFileCheckResult{isOk: false, messageIfNotOk: "should use CRLF for new lines but contains CR"}
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}
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}
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return &FullFileCheckResult{isOk: true}
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}
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