mirror of
https://github.com/Syngnat/GoNavi.git
synced 2026-08-14 18:44:09 +08:00
88434e77a9
- 复用查询页提供 ES 控制台、模板、AI 辅助及原始与表格结果 - 新增统一解析分类、危险确认、连接保护和受控 REST 执行 - 扩展 driver agent、版本适配、Wails 绑定、多语言与文档 - 修复完整回归中发现的跨平台和前端基线用例问题 Refs #782
661 lines
16 KiB
Go
661 lines
16 KiB
Go
package app
|
||
|
||
import "strings"
|
||
|
||
// splitSQLStatements 按分号拆分 SQL 文本为独立语句。
|
||
// 正确处理单引号/双引号/反引号字符串、行注释（-- / #）、块注释（/* */）、
|
||
// PostgreSQL/Kingbase 的 $$...$$ dollar-quoting，以及 Oracle PL/SQL 匿名块，
|
||
// 避免在这些上下文中错误拆分。
|
||
// 同时支持 SQL 标准的转义单引号（两个连续单引号 ” 表示字面量引号）。
|
||
func splitSQLStatements(sql string) []string {
|
||
return splitSQLStatementsForDialect("", sql)
|
||
}
|
||
|
||
// splitSQLStatementsForDialect keeps the legacy generic splitter available to
|
||
// existing execution paths while allowing security-sensitive callers to apply
|
||
// the actual comment and dollar-quote rules of the target database.
|
||
func splitSQLStatementsForDialect(dbType, sql string) []string {
|
||
text := strings.ReplaceAll(sql, "\r\n", "\n")
|
||
if normalizeSQLClassifierDBType(dbType) == "elasticsearch" {
|
||
if source := strings.TrimSpace(text); source != "" {
|
||
return []string{source}
|
||
}
|
||
return nil
|
||
}
|
||
var statements []string
|
||
|
||
var cur strings.Builder
|
||
inSingle := false
|
||
inDouble := false
|
||
inBacktick := false
|
||
escaped := false
|
||
inLineComment := false
|
||
inBlockComment := false
|
||
var dollarTag string // postgres/kingbase: $$...$$ or $tag$...$tag$
|
||
plsqlDepth := 0
|
||
plsqlDeclareBeginSkips := 0
|
||
plsqlCaseDepth := 0
|
||
skipNextPLSQLCaseEndToken := false
|
||
justClosedPLSQLBlock := false
|
||
|
||
push := func() {
|
||
s := strings.TrimSpace(cur.String())
|
||
if s != "" && hasExecutableSQLStatementContent(dbType, s) {
|
||
statements = append(statements, s)
|
||
}
|
||
cur.Reset()
|
||
}
|
||
|
||
for i := 0; i < len(text); i++ {
|
||
ch := text[i]
|
||
next := byte(0)
|
||
if i+1 < len(text) {
|
||
next = text[i+1]
|
||
}
|
||
|
||
// 行注释
|
||
if inLineComment {
|
||
if ch == '\n' {
|
||
inLineComment = false
|
||
}
|
||
cur.WriteByte(ch)
|
||
continue
|
||
}
|
||
|
||
// 块注释
|
||
if inBlockComment {
|
||
cur.WriteByte(ch)
|
||
if ch == '*' && next == '/' {
|
||
cur.WriteByte('/')
|
||
i++
|
||
inBlockComment = false
|
||
}
|
||
continue
|
||
}
|
||
|
||
// Dollar-quoting
|
||
if dollarTag != "" {
|
||
if strings.HasPrefix(text[i:], dollarTag) {
|
||
cur.WriteString(dollarTag)
|
||
i += len(dollarTag) - 1
|
||
dollarTag = ""
|
||
} else {
|
||
cur.WriteByte(ch)
|
||
}
|
||
continue
|
||
}
|
||
|
||
// 转义字符（反斜杠转义，MySQL 风格）
|
||
if escaped {
|
||
escaped = false
|
||
cur.WriteByte(ch)
|
||
continue
|
||
}
|
||
if (inSingle || inDouble) && ch == '\\' {
|
||
escaped = true
|
||
cur.WriteByte(ch)
|
||
continue
|
||
}
|
||
|
||
// 字符串开闭
|
||
if !inDouble && !inBacktick && ch == '\'' {
|
||
if inSingle && next == '\'' {
|
||
// SQL 标准转义：两个连续单引号 '' 表示字面量引号，保持在引号内
|
||
cur.WriteByte(ch)
|
||
cur.WriteByte(next)
|
||
i++
|
||
continue
|
||
}
|
||
inSingle = !inSingle
|
||
cur.WriteByte(ch)
|
||
continue
|
||
}
|
||
if !inSingle && !inBacktick && ch == '"' {
|
||
inDouble = !inDouble
|
||
cur.WriteByte(ch)
|
||
continue
|
||
}
|
||
if !inSingle && !inDouble && ch == '`' {
|
||
inBacktick = !inBacktick
|
||
cur.WriteByte(ch)
|
||
continue
|
||
}
|
||
|
||
// 在引号/反引号内部不做任何判断
|
||
if inSingle || inDouble || inBacktick {
|
||
cur.WriteByte(ch)
|
||
continue
|
||
}
|
||
|
||
if isSQLIdentifierStart(ch) {
|
||
tokenStart := i
|
||
tokenEnd := i + 1
|
||
for tokenEnd < len(text) && isSQLIdentifierPart(text[tokenEnd]) {
|
||
tokenEnd++
|
||
}
|
||
token := strings.ToLower(text[tokenStart:tokenEnd])
|
||
if token == "case" && plsqlDepth > 0 {
|
||
if skipNextPLSQLCaseEndToken {
|
||
skipNextPLSQLCaseEndToken = false
|
||
} else {
|
||
plsqlCaseDepth++
|
||
justClosedPLSQLBlock = false
|
||
}
|
||
} else if token != "case" {
|
||
skipNextPLSQLCaseEndToken = false
|
||
}
|
||
if token == "begin" && plsqlDeclareBeginSkips > 0 {
|
||
plsqlDeclareBeginSkips--
|
||
justClosedPLSQLBlock = false
|
||
} else if token == "begin" && shouldEnterPLSQLBlock(text, tokenEnd) {
|
||
plsqlDepth++
|
||
justClosedPLSQLBlock = false
|
||
} else if token == "declare" && shouldEnterPLSQLDeclareBlock(text, tokenEnd) {
|
||
plsqlDepth++
|
||
plsqlDeclareBeginSkips++
|
||
justClosedPLSQLBlock = false
|
||
} else if plsqlDepth == 0 && shouldEnterPLSQLCreateRoutineBlock(text, cur.String(), token, tokenEnd) {
|
||
plsqlDepth++
|
||
if !isCreatePackageHeaderPrefix(cur.String()) {
|
||
plsqlDeclareBeginSkips++
|
||
}
|
||
justClosedPLSQLBlock = false
|
||
} else if token == "end" && plsqlDepth > 0 && plsqlCaseDepth > 0 {
|
||
plsqlCaseDepth--
|
||
if nextSQLSignificantToken(text, tokenEnd) == "case" {
|
||
skipNextPLSQLCaseEndToken = true
|
||
}
|
||
justClosedPLSQLBlock = false
|
||
} else if token == "end" && plsqlDepth > 0 && !isPLSQLControlEnd(text, tokenEnd) {
|
||
plsqlDepth--
|
||
if plsqlDeclareBeginSkips > plsqlDepth {
|
||
plsqlDeclareBeginSkips = plsqlDepth
|
||
}
|
||
if plsqlCaseDepth > plsqlDepth {
|
||
plsqlCaseDepth = plsqlDepth
|
||
}
|
||
justClosedPLSQLBlock = plsqlDepth == 0
|
||
}
|
||
cur.WriteString(text[tokenStart:tokenEnd])
|
||
i = tokenEnd - 1
|
||
continue
|
||
}
|
||
|
||
// 行注释开始
|
||
if ch == '-' && next == '-' && isSQLDashLineCommentStart(dbType, text, i) {
|
||
inLineComment = true
|
||
cur.WriteByte(ch)
|
||
continue
|
||
}
|
||
if ch == '#' && supportsSQLHashLineComment(dbType) {
|
||
inLineComment = true
|
||
cur.WriteByte(ch)
|
||
continue
|
||
}
|
||
|
||
if ch == '/' && (justClosedPLSQLBlock || strings.TrimSpace(cur.String()) == "") {
|
||
if lineEnd, ok := standaloneSQLSlashLineEnd(text, i); ok {
|
||
push()
|
||
justClosedPLSQLBlock = false
|
||
i = lineEnd
|
||
continue
|
||
}
|
||
}
|
||
|
||
// 块注释开始
|
||
if ch == '/' && next == '*' {
|
||
inBlockComment = true
|
||
cur.WriteString("/*")
|
||
i++
|
||
continue
|
||
}
|
||
|
||
// Dollar-quoting 开始
|
||
if ch == '$' && supportsSQLDollarQuote(dbType) {
|
||
if tag := parseSQLDollarTagAt(text, i); tag != "" {
|
||
dollarTag = tag
|
||
cur.WriteString(tag)
|
||
i += len(tag) - 1
|
||
continue
|
||
}
|
||
}
|
||
|
||
// 分号分隔（支持全角分号"；"）
|
||
if ch == ';' {
|
||
if plsqlDepth > 0 {
|
||
cur.WriteByte(ch)
|
||
continue
|
||
}
|
||
if justClosedPLSQLBlock {
|
||
cur.WriteByte(ch)
|
||
push()
|
||
justClosedPLSQLBlock = false
|
||
continue
|
||
}
|
||
push()
|
||
continue
|
||
}
|
||
// 全角分号 UTF-8 序列: 0xEF 0xBC 0x9B
|
||
if ch == 0xEF && i+2 < len(text) && text[i+1] == 0xBC && text[i+2] == 0x9B {
|
||
if plsqlDepth > 0 {
|
||
cur.WriteString("；")
|
||
i += 2
|
||
continue
|
||
}
|
||
if justClosedPLSQLBlock {
|
||
cur.WriteString("；")
|
||
push()
|
||
justClosedPLSQLBlock = false
|
||
i += 2
|
||
continue
|
||
}
|
||
push()
|
||
i += 2
|
||
continue
|
||
}
|
||
|
||
cur.WriteByte(ch)
|
||
}
|
||
|
||
push()
|
||
return statements
|
||
}
|
||
|
||
func hasExecutableSQLStatementContent(dbType, statement string) bool {
|
||
for i := 0; i < len(statement); {
|
||
switch statement[i] {
|
||
case ' ', '\t', '\n', '\r', '\f':
|
||
i++
|
||
continue
|
||
case '-':
|
||
if i+1 < len(statement) && statement[i+1] == '-' && isSQLDashLineCommentStart(dbType, statement, i) {
|
||
i = scanSQLLineCommentEnd(statement, i+2)
|
||
continue
|
||
}
|
||
case '#':
|
||
if supportsSQLHashLineComment(dbType) {
|
||
i = scanSQLLineCommentEnd(statement, i+1)
|
||
continue
|
||
}
|
||
case '/':
|
||
if i+1 < len(statement) && statement[i+1] == '*' {
|
||
remaining := statement[i:]
|
||
if supportsSQLExecutableBlockComment(dbType, remaining) {
|
||
return true
|
||
}
|
||
blockEnd := strings.Index(remaining[2:], "*/")
|
||
if blockEnd < 0 {
|
||
return false
|
||
}
|
||
i += blockEnd + 4
|
||
continue
|
||
}
|
||
}
|
||
return true
|
||
}
|
||
return false
|
||
}
|
||
|
||
func supportsSQLExecutableBlockComment(dbType, remaining string) bool {
|
||
isMySQLVersionComment := strings.HasPrefix(remaining, "/*!")
|
||
isMariaDBVersionComment := len(remaining) >= 4 && strings.EqualFold(remaining[:4], "/*m!")
|
||
if !isMySQLVersionComment && !isMariaDBVersionComment {
|
||
return false
|
||
}
|
||
normalized := normalizeExplainLexicalDBType(dbType)
|
||
if normalized == "" {
|
||
return true
|
||
}
|
||
if isMariaDBVersionComment {
|
||
return normalized == "mariadb"
|
||
}
|
||
switch normalized {
|
||
case "mysql", "mariadb", "oceanbase", "diros", "starrocks", "goldendb", "sphinx", "tidb":
|
||
return true
|
||
default:
|
||
return false
|
||
}
|
||
}
|
||
|
||
func isSQLDashLineCommentStart(dbType, text string, index int) bool {
|
||
switch normalizeExplainLexicalDBType(dbType) {
|
||
case "mysql", "mariadb", "oceanbase", "diros", "starrocks", "goldendb", "sphinx", "tidb":
|
||
return isMySQLDashCommentStart(text, index)
|
||
default:
|
||
return true
|
||
}
|
||
}
|
||
|
||
func supportsSQLHashLineComment(dbType string) bool {
|
||
normalized := normalizeExplainLexicalDBType(dbType)
|
||
if normalized == "" {
|
||
return true
|
||
}
|
||
switch normalized {
|
||
case "mysql", "mariadb", "oceanbase", "diros", "starrocks", "goldendb", "sphinx", "tidb", "clickhouse":
|
||
return true
|
||
default:
|
||
return false
|
||
}
|
||
}
|
||
|
||
func supportsSQLDollarQuote(dbType string) bool {
|
||
normalized := normalizeExplainLexicalDBType(dbType)
|
||
if normalized == "" {
|
||
return true
|
||
}
|
||
switch normalized {
|
||
case "postgres", "opengauss", "gaussdb", "kingbase", "highgo", "vastbase":
|
||
return true
|
||
default:
|
||
return false
|
||
}
|
||
}
|
||
|
||
func normalizeExplainLexicalDBType(dbType string) string {
|
||
normalized := strings.ToLower(strings.TrimSpace(dbType))
|
||
switch normalized {
|
||
case "postgresql", "pg", "pq", "pgx":
|
||
return "postgres"
|
||
case "doris":
|
||
return "diros"
|
||
case "open_gauss", "open-gauss":
|
||
return "opengauss"
|
||
case "gauss_db", "gauss-db":
|
||
return "gaussdb"
|
||
case "kingbase8", "kingbasees", "kingbasev8":
|
||
return "kingbase"
|
||
case "greatdb", "gdb":
|
||
return "goldendb"
|
||
default:
|
||
return normalized
|
||
}
|
||
}
|
||
|
||
func isSQLIdentifierStart(ch byte) bool {
|
||
return (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') || ch == '_'
|
||
}
|
||
|
||
func isSQLIdentifierPart(ch byte) bool {
|
||
return isSQLIdentifierStart(ch) || (ch >= '0' && ch <= '9') || ch == '$' || ch == '#'
|
||
}
|
||
|
||
func isSQLHorizontalWhitespace(ch byte) bool {
|
||
return ch == ' ' || ch == '\t' || ch == '\r' || ch == '\f'
|
||
}
|
||
|
||
func standaloneSQLSlashLineEnd(text string, pos int) (int, bool) {
|
||
if pos < 0 || pos >= len(text) || text[pos] != '/' {
|
||
return 0, false
|
||
}
|
||
lineStart := strings.LastIndexByte(text[:pos], '\n') + 1
|
||
for i := lineStart; i < pos; i++ {
|
||
if !isSQLHorizontalWhitespace(text[i]) {
|
||
return 0, false
|
||
}
|
||
}
|
||
lineEnd, standalone, _ := scanSQLStandaloneSlashLineSuffix(text, pos)
|
||
if !standalone {
|
||
return 0, false
|
||
}
|
||
return lineEnd, true
|
||
}
|
||
|
||
func scanSQLStandaloneSlashLineSuffix(text string, pos int) (lineEnd int, standalone bool, complete bool) {
|
||
if pos < 0 || pos >= len(text) || text[pos] != '/' {
|
||
return 0, false, true
|
||
}
|
||
seenOptionalSemicolon := false
|
||
for i := pos + 1; i < len(text); i++ {
|
||
if text[i] == '\n' {
|
||
return i, true, true
|
||
}
|
||
if text[i] == ';' && !seenOptionalSemicolon {
|
||
seenOptionalSemicolon = true
|
||
continue
|
||
}
|
||
if text[i] == '-' {
|
||
if i+1 >= len(text) {
|
||
return len(text), true, false
|
||
}
|
||
if text[i+1] == '-' {
|
||
lineEnd := scanSQLLineCommentEnd(text, i+2)
|
||
if lineEnd >= len(text) {
|
||
return lineEnd, true, false
|
||
}
|
||
return lineEnd, true, true
|
||
}
|
||
}
|
||
if !isSQLHorizontalWhitespace(text[i]) {
|
||
return 0, false, true
|
||
}
|
||
}
|
||
return len(text), true, false
|
||
}
|
||
|
||
func scanSQLLineCommentEnd(text string, pos int) int {
|
||
for i := pos; i < len(text); i++ {
|
||
if text[i] == '\n' {
|
||
return i
|
||
}
|
||
}
|
||
return len(text)
|
||
}
|
||
|
||
func skipSQLWhitespaceAndComments(text string, pos int) int {
|
||
i := pos
|
||
for i < len(text) {
|
||
switch text[i] {
|
||
case ' ', '\t', '\n', '\r', '\f':
|
||
i++
|
||
continue
|
||
case '-':
|
||
if i+1 < len(text) && text[i+1] == '-' {
|
||
i += 2
|
||
for i < len(text) && text[i] != '\n' {
|
||
i++
|
||
}
|
||
continue
|
||
}
|
||
case '/':
|
||
if i+1 < len(text) && text[i+1] == '*' {
|
||
i += 2
|
||
for i+1 < len(text) && !(text[i] == '*' && text[i+1] == '/') {
|
||
i++
|
||
}
|
||
if i+1 < len(text) {
|
||
i += 2
|
||
}
|
||
continue
|
||
}
|
||
}
|
||
break
|
||
}
|
||
return i
|
||
}
|
||
|
||
func nextSQLSignificantToken(text string, pos int) string {
|
||
i := skipSQLWhitespaceAndComments(text, pos)
|
||
if i >= len(text) || !isSQLIdentifierStart(text[i]) {
|
||
return ""
|
||
}
|
||
end := i + 1
|
||
for end < len(text) && isSQLIdentifierPart(text[end]) {
|
||
end++
|
||
}
|
||
return strings.ToLower(text[i:end])
|
||
}
|
||
|
||
func nextSQLSignificantByte(text string, pos int) byte {
|
||
i := skipSQLWhitespaceAndComments(text, pos)
|
||
if i >= len(text) {
|
||
return 0
|
||
}
|
||
return text[i]
|
||
}
|
||
|
||
func shouldEnterPLSQLBlock(text string, tokenEnd int) bool {
|
||
switch nextSQLSignificantByte(text, tokenEnd) {
|
||
case 0, ';':
|
||
return false
|
||
}
|
||
switch nextSQLSignificantToken(text, tokenEnd) {
|
||
case "transaction", "work", "isolation", "read", "write":
|
||
return false
|
||
default:
|
||
return true
|
||
}
|
||
}
|
||
|
||
func isPLSQLBlockStatement(stmt string) bool {
|
||
text := strings.TrimSpace(stmt)
|
||
if text == "" {
|
||
return false
|
||
}
|
||
if strings.HasSuffix(text, "/") {
|
||
text = strings.TrimSpace(strings.TrimSuffix(text, "/"))
|
||
}
|
||
token := nextSQLSignificantToken(text, 0)
|
||
if token == "declare" {
|
||
return shouldEnterPLSQLDeclareBlock(text, len("declare"))
|
||
}
|
||
if token == "begin" {
|
||
return shouldEnterPLSQLBlock(text, len("begin"))
|
||
}
|
||
return isCreateRoutineHeaderPrefix(text)
|
||
}
|
||
|
||
func shouldEnterPLSQLDeclareBlock(text string, tokenEnd int) bool {
|
||
return nextSQLSignificantToken(text, tokenEnd) != ""
|
||
}
|
||
|
||
func isPLSQLControlEnd(text string, tokenEnd int) bool {
|
||
switch nextSQLSignificantToken(text, tokenEnd) {
|
||
case "if", "loop", "case":
|
||
return true
|
||
default:
|
||
return false
|
||
}
|
||
}
|
||
|
||
func isCreateRoutineHeaderPrefix(text string) bool {
|
||
currentToken, currentEnd := nextSQLSignificantTokenSpan(text, 0)
|
||
if currentToken != "create" {
|
||
return false
|
||
}
|
||
|
||
currentToken, currentEnd = nextSQLSignificantTokenSpan(text, currentEnd)
|
||
if currentToken == "or" {
|
||
currentToken, currentEnd = nextSQLSignificantTokenSpan(text, currentEnd)
|
||
if currentToken != "replace" {
|
||
return false
|
||
}
|
||
currentToken, currentEnd = nextSQLSignificantTokenSpan(text, currentEnd)
|
||
}
|
||
|
||
for currentToken == "editionable" || currentToken == "noneditionable" {
|
||
currentToken, currentEnd = nextSQLSignificantTokenSpan(text, currentEnd)
|
||
}
|
||
|
||
if currentToken == "procedure" || currentToken == "function" {
|
||
return true
|
||
}
|
||
if currentToken != "package" {
|
||
return false
|
||
}
|
||
currentToken, _ = nextSQLSignificantTokenSpan(text, currentEnd)
|
||
return currentToken == "" || currentToken == "body" || isSQLIdentifierStart(currentToken[0])
|
||
}
|
||
|
||
func isCreatePackageHeaderPrefix(text string) bool {
|
||
currentToken, currentEnd := nextSQLSignificantTokenSpan(text, 0)
|
||
if currentToken != "create" {
|
||
return false
|
||
}
|
||
|
||
currentToken, currentEnd = nextSQLSignificantTokenSpan(text, currentEnd)
|
||
if currentToken == "or" {
|
||
currentToken, currentEnd = nextSQLSignificantTokenSpan(text, currentEnd)
|
||
if currentToken != "replace" {
|
||
return false
|
||
}
|
||
currentToken, currentEnd = nextSQLSignificantTokenSpan(text, currentEnd)
|
||
}
|
||
|
||
for currentToken == "editionable" || currentToken == "noneditionable" {
|
||
currentToken, currentEnd = nextSQLSignificantTokenSpan(text, currentEnd)
|
||
}
|
||
|
||
return currentToken == "package"
|
||
}
|
||
|
||
func nextSQLSignificantTokenSpan(text string, pos int) (string, int) {
|
||
i := skipSQLWhitespaceAndComments(text, pos)
|
||
if i >= len(text) || !isSQLIdentifierStart(text[i]) {
|
||
return "", i
|
||
}
|
||
end := i + 1
|
||
for end < len(text) && isSQLIdentifierPart(text[end]) {
|
||
end++
|
||
}
|
||
return strings.ToLower(text[i:end]), end
|
||
}
|
||
|
||
func shouldEnterPLSQLCreateRoutineBlock(text string, currentStatementPrefix string, token string, tokenEnd int) bool {
|
||
if token != "is" && token != "as" {
|
||
return false
|
||
}
|
||
nextChar := nextSQLSignificantByte(text, tokenEnd)
|
||
if nextChar == 0 {
|
||
return false
|
||
}
|
||
if token == "as" && (nextChar == '$' || nextChar == '\'' || nextChar == '"') {
|
||
return false
|
||
}
|
||
return isCreateRoutineHeaderPrefix(currentStatementPrefix)
|
||
}
|
||
|
||
// parseSQLDollarTag 解析 PostgreSQL/Kingbase 的 dollar-quoting 标签。
|
||
func parseSQLDollarTag(s string) string {
|
||
if len(s) < 2 || s[0] != '$' {
|
||
return ""
|
||
}
|
||
for i := 1; i < len(s); i++ {
|
||
c := s[i]
|
||
if c == '$' {
|
||
return s[:i+1]
|
||
}
|
||
if !((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '_') {
|
||
return ""
|
||
}
|
||
}
|
||
return ""
|
||
}
|
||
|
||
func parseSQLDollarTagAt(text string, start int) string {
|
||
if start < 0 || start >= len(text) || text[start] != '$' {
|
||
return ""
|
||
}
|
||
if start > 0 && isSQLIdentifierPart(text[start-1]) {
|
||
return ""
|
||
}
|
||
if start+1 >= len(text) {
|
||
return ""
|
||
}
|
||
if text[start+1] == '$' {
|
||
return "$$"
|
||
}
|
||
if !isSQLIdentifierStart(text[start+1]) {
|
||
return ""
|
||
}
|
||
for end := start + 2; end < len(text); end++ {
|
||
if text[end] == '$' {
|
||
return text[start : end+1]
|
||
}
|
||
if !isSQLIdentifierPart(text[end]) || text[end] == '$' || text[end] == '#' {
|
||
return ""
|
||
}
|
||
}
|
||
return ""
|
||
}
|