From 46801bc432b60024868dba06244040dd8806ddb2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=A9r=C3=A9my=20Hutin?= <gerem.hutin@gmail.com>
Date: Wed, 30 Aug 2023 10:21:16 +0200
Subject: [PATCH] \ allows command over multiple lines in ocli files (#142)

---
 CLI/ocli.go   | 16 ++++++++++++----
 CLI/parser.go |  4 ++--
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/CLI/ocli.go b/CLI/ocli.go
index 695877d0d..7c91e6c4f 100644
--- a/CLI/ocli.go
+++ b/CLI/ocli.go
@@ -56,16 +56,24 @@ func parseFile(path string) ([]parsedLine, error) {
 	result := []parsedLine{}
 	var fileErr *fileParseError
 	scanner := bufio.NewScanner(file)
+	line := ""
+	startLineNumber := 1
 	for lineNumber := 1; scanner.Scan(); lineNumber++ {
-		line := scanner.Text()
-		if len(line) > 0 {
+		newLine := strings.TrimRight(scanner.Text(), " ")
+		if len(newLine) >= 1 && newLine[len(newLine)-1] == '\\' {
+			newLine = newLine[:len(newLine)-1]
+			line += newLine + "\n"
+		} else {
+			line += newLine
 			root, err := Parse(line)
 			if err != nil {
-				fileErr = addLineError(fileErr, err, filename, lineNumber, line)
+				fileErr = addLineError(fileErr, err, filename, startLineNumber, line)
 			}
 			if root != nil {
-				result = append(result, parsedLine{line, lineNumber, root})
+				result = append(result, parsedLine{line, startLineNumber, root})
 			}
+			line = ""
+			startLineNumber = lineNumber + 1
 		}
 	}
 	if fileErr != nil {
diff --git a/CLI/parser.go b/CLI/parser.go
index 0c2b6e7ef..4ae7949d4 100644
--- a/CLI/parser.go
+++ b/CLI/parser.go
@@ -166,7 +166,7 @@ func (p *parser) error(message string) {
 
 func (p *parser) skipWhiteSpaces() {
 	defer un(trace(p, ""))
-	for p.cursor < len(p.buf) && (p.peek() == ' ' || p.peek() == '\t') {
+	for p.cursor < len(p.buf) && (p.peek() == ' ' || p.peek() == '\t' || p.peek() == '\n') {
 		p.forward(1)
 	}
 }
@@ -309,7 +309,7 @@ loop:
 		}
 	}
 	if trim {
-		s = strings.Trim(s, " ")
+		s = strings.Trim(s, " \n")
 	}
 	if len(subExpr) == 0 {
 		return &valueNode{s}