From a92edd5f723d56a377905c91bb6321790d0d3a98 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Mon, 27 May 2019 18:19:24 +0200
Subject: Add String and XML helpers

---
 make.sh         |  5 +++++
 modules/str.inc | 26 ++++++++++++++++++++++++++
 modules/xml.inc |  6 ++++++
 3 files changed, 37 insertions(+)
 create mode 100644 modules/str.inc
 create mode 100644 modules/xml.inc

diff --git a/make.sh b/make.sh
index a8a4760..5f32249 100755
--- a/make.sh
+++ b/make.sh
@@ -19,6 +19,11 @@ for file in modules/**/*.inc; do
 	name="${name%.inc}"
 	[[ "$name" =~ ^[a-z0-9_]+$ ]] || continue
 	echo " * Handling $file"
+	if ! bash -n "$file"; then
+		echo "FILE CONTAINS ERRORS; ABORTING"
+		rm -f -- slx-tools
+		exit 1
+	fi
 	for var in $( grep -oP '^[a-z0-9_]+\s*\(\)' "$file" | grep -oE '^[a-z0-9_]+' ); do
 		echo "Found $var"
 		DEFS+="$var() { . \$BASE/$file; $var "'"$@"; }\n'
diff --git a/modules/str.inc b/modules/str.inc
new file mode 100644
index 0000000..6179033
--- /dev/null
+++ b/modules/str.inc
@@ -0,0 +1,26 @@
+#!/bin/ash
+
+str_trim() {
+	if [ $# = 0 ]; then
+		tr '\n' '\r' | sed -r 's/^[[:space:]]+//;s/[[:space:]]+$//' | tr '\r' '\n'
+	else
+		printf "%s" "$*" | tr '\n' '\r' | sed -r 's/^[[:space:]]+//;s/[[:space:]]+$//' | tr '\r' '\n'
+	fi
+}
+
+str_upper() {
+	if [ $# = 0 ]; then
+		tr 'a-z' 'A-Z'
+	else
+		printf "%s" "$*" | tr 'a-z' 'A-Z'
+	fi
+}
+
+str_lower() {
+	if [ $# = 0 ]; then
+		tr 'A-Z' 'a-z'
+	else
+		printf "%s" "$*" | tr 'A-Z' 'a-z'
+	fi
+}
+
diff --git a/modules/xml.inc b/modules/xml.inc
new file mode 100644
index 0000000..4fa4b84
--- /dev/null
+++ b/modules/xml.inc
@@ -0,0 +1,6 @@
+#!/bin/ash
+
+xml_get() {
+	xmlstarlet sel --text --encode utf-8 --template --value-of "$1" "$2"
+}
+
-- 
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