From c133181e5184b77c8e3e5cf4f1ba9a54ade05c00 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Sat, 29 Sep 2012 22:37:25 -0400
Subject: Implement ob_match_arch() and ob_match_plat().

---
(limited to 'lib/metadata.sh')

diff --git a/lib/metadata.sh b/lib/metadata.sh
index 28a984b..687d96a 100644
--- a/lib/metadata.sh
+++ b/lib/metadata.sh
@@ -139,6 +139,95 @@ ob_get_system_plat()
 	return ${?}
 }
 
+ob_match_arch()
+{
+	_ob_local _obma_arch _obma_arch_field _obma_a \
+		_obma_a_pat_norm _obma_a_pat_hyph
+
+	if [ ${#} -eq 2 ]; then
+		_obma_arch="${1}"
+		_obma_arch_field="${2}"
+	else
+		_ob_return 125
+		return ${?}
+	fi
+
+	for _obma_a in ${_obma_arch_field}; do
+
+		# "all" == "all"
+		if [ "${_obma_arch}" = 'all' ]; then
+			if [ "${_obma_a}" = 'all' ]; then
+				_ob_return 0
+				return ${?}
+			else
+				continue
+			fi
+		fi
+
+		# "foo-bar-baz" == "any"
+		if [ "${_obma_a}" = 'any' ]; then
+			_ob_return 0
+			return ${?}
+		fi
+
+		# Compile patterns to match hyphenated architectures.
+		_obma_a_pat_norm="$(echo "${_obma_a}" | \
+			sed 's/^any-/*-/;s/-any-/-*-/g;s/-any$/-*/g')"
+		_obma_a_pat_hyph="$(echo "${_obma_a}" | \
+			sed 's/^any-/*-*-/;s/-any-/-*-*-/g;s/-any$/-*-*/g')"
+
+		# "foo-bar-baz" == "foo-any-any"
+		case "${_obma_arch}" in
+			${_obma_a_pat_hyph})
+				continue
+				;;
+			${_obma_a_pat_norm})
+				_ob_return 0
+				return ${?}
+				;;
+			*)
+				continue
+				;;
+		esac
+
+	done
+
+	# Nothing matched.
+	_ob_return 1
+	return ${?}
+}
+
+ob_match_plat()
+{
+	_ob_local _obmp_plat _obmp_plat_field _obmp_p
+
+	if [ ${#} -eq 2 ]; then
+		_obmp_plat="${1}"
+		_obmp_plat_field="${2}"
+	else
+		_ob_return 125
+		return ${?}
+	fi
+
+	for _obmp_p in ${_obmp_plat_field}; do
+		if [ "${_obmp_plat}" = 'all' ]; then
+			if [ "${_obmp_p}" = 'all' ]; then
+				_ob_return 0
+				return ${?}
+			else
+				continue
+			fi
+		fi
+		if [ "${_obmp_p}" = 'any' ]; then
+			_ob_return 0
+			return ${?}
+		fi
+	done
+
+	_ob_return 1
+	return ${?}
+}
+
 _ob_metadata_do()
 {
 	_ob_local _obmd_func
--
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