From: Felix Fietkau <nbd@openwrt.org>
Date: Sat, 24 Mar 2007 13:43:04 +0000 (+0000)
Subject: rename uci-update.awk to uci.awk and add a few config_* functions
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=7f0dd3fa4549cbc4f74407b5fe93a1604f6219b8;p=openwrt%2Fstaging%2Frobimarko.git

rename uci-update.awk to uci.awk and add a few config_* functions

SVN-Revision: 6666
---

diff --git a/package/base-files/files/etc/functions.sh b/package/base-files/files/etc/functions.sh
index 4d84bb81e0..72e60bb511 100755
--- a/package/base-files/files/etc/functions.sh
+++ b/package/base-files/files/etc/functions.sh
@@ -120,7 +120,11 @@ config_set() {
 	local section="$1"
 	local option="$2"
 	local value="$3"
-	export ${NO_EXPORT:+-n} "CONFIG_${section}_${option}=$value"
+	local old_section="$CONFIG_SECTION"
+
+	CONFIG_SECTION="$section"
+	option "$option" "$value"
+	CONFIG_SECTION="$old_section"
 }
 
 config_foreach() {
diff --git a/package/base-files/files/lib/config/uci-update.awk b/package/base-files/files/lib/config/uci-update.awk
deleted file mode 100644
index efa8758507..0000000000
--- a/package/base-files/files/lib/config/uci-update.awk
+++ /dev/null
@@ -1,160 +0,0 @@
-# Configuration update functions
-#
-# Copyright (C) 2006 by Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
-# Copyright (C) 2006 by Felix Fietkau <nbd@openwrt.org>
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
-
-function read_file(filename,  result) {
-	while ((getline <filename) == 1) {
-		result = result $0 "\n"
-	}
-	gsub(/\n*$/, "", result)
-	return result
-}
-
-function cmd2option(str,  tmp) {
-	if (match(str,"=")!=0) {
-		res = "\toption " substr(str,1,RSTART-1) "\t'" substr(str,RSTART+1) "'"
-	} else {
-		res= ""
-	}
-	return res
-}
-
-function cmd2config(atype,  aname) {
-	return "config \"" atype "\" \"" aname "\""
-}
-
-function update_config(cfg, update,  \
-  lines, line, l, n, i, i2, section, scnt, remove, tmp, aidx, rest) {
-	scnt = 1
-	linecnt=split(cfg "\n", lines, "\n")
-
-	cfg = ""
-	for (n = 1; n < linecnt; n++) {
-		# stupid parser for quoted arguments (e.g. for the type string).
-		# not to be used to gather variable values (backslash escaping doesn't work)
-		line = lines[n]
-		gsub(/^[ \t]*/, "", line)
-		gsub(/#.*$/, "", line)
-		i2 = 1
-		delete l
-		rest = line
-        	while (length(rest)) {
-			if (match(rest, /[ \t\"]+/)) {
-				if (RSTART>1) {
-					l[i2] = substr(rest,1,RSTART-1)
-					i2++
-				}
-				aidx=index(rest,"\"")
-				if (aidx>=RSTART && aidx<=RSTART+RLENGTH) {
-					rest=substr(rest,aidx+1)
-					# find the end of the string
-					match(rest,/\"/)
-					l[i2]=substr(rest,1,RSTART-1)
-					i2++
-				}
-				rest=substr(rest,RSTART+RLENGTH)
-			} else {
-				l[i2] = rest
-				i2++
-				rest = ""
-			}
-		}
-		line = lines[n]
-		
-		# when a command wants to set a config value for the current
-		# section and a blank line is encountered before an option with
-		# the same name, insert it here to maintain some coherency between
-		# manually and automatically created option lines
-		# if an option with the same name appears after this point, simply
-		# ignore it, because it is already set.
-		if ((section != "") && (l[1] != "option")) {
-			if (line ~ /^[ \t]*$/) {
-				if (update ~ "^" section "\\.") {
-					gsub("^" section ".", "", update)
-					cfg = cfg cmd2option(update) "\n"
-					gsub(/=.*$/, "", update)
-					update = "-" section "." update
-				}
-			}
-		}
-
-		if (l[1] == "config") {
-			# look for all unset values
-			if (section != "") {
-				flag=0
-				if (update ~ "^" section "\\.") {
-					flag=1
-					gsub("^" section ".", "", update)
-					cfg = cfg cmd2option(update) "\n"
-					
-					update = "-" section "." update
-				} 
-				if (flag!=0) cfg = cfg "\n"
-			}
-			
-			remove = ""
-			section = l[3]
-			if (!length(section)) {
-				section = "cfg" scnt
-			}	
-			scnt++
-			if (update == "-" section) {
-				remove = "section"
-				update = ""
-			} else if (update ~ "^@" section "=") {
-				update = ""
-			} else if (update ~ "^&" section "=") {
-				gsub("^&" section "=", "", update)
-				line = cmd2config(l[2],update) 
-				update = ""
-			}
-		}
-		if (remove == "option") remove = ""
-		if (l[1] == "option") {
-			if (update ~ "^-" section "\\." l[2] "$") remove = "option"
-			# if a supplied config value already exists, replace the whole line
-			if (match(update, "^" section "." l[2] "=")) {
-				gsub("^" section ".", "", update)
-				line = cmd2option(update)
-				update = ""
-			}
-		}
-		if (remove == "") cfg = cfg line "\n"
-	}
-	
-	# any new options for the last section??
-	if (section != "") {
-		if (update ~ "^" section "\\.") {
-			gsub("^" section ".", "", update)
-			cfg = cfg cmd2option(update) "\n"
-
-			update = "-" section "." update
-		} 
-	}
-
-	if (update ~ "^@") {
-		# new section
-		section = stype = substr(update,2)
-		gsub(/=.*$/,"",section)
-		gsub(/^.*=/,"",stype)
-		cfg = cfg "\nconfig \"" stype "\" \"" section "\"\n"
-	}
-
-	return cfg
-}
diff --git a/package/base-files/files/lib/config/uci.awk b/package/base-files/files/lib/config/uci.awk
new file mode 100644
index 0000000000..e3f9467316
--- /dev/null
+++ b/package/base-files/files/lib/config/uci.awk
@@ -0,0 +1,186 @@
+# Configuration update functions - AWK API
+#
+# Copyright (C) 2006 by Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
+# Copyright (C) 2006 by Felix Fietkau <nbd@openwrt.org>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+# parameters: 1
+function config_load(package, var) {
+	while (("/bin/ash -c '. /etc/functions.sh; unset NO_EXPORT; config_load \""package"\"; env | grep \"^CONFIG_\"'" | getline) == 1) {
+		sub("^CONFIG_", "")
+		if (match($0, "=") == 0) {
+			if (var != "") CONFIG[var] = CONFIG[var] "\n" $0
+			next
+		}
+		var=substr($0, 1, RSTART-1)
+		CONFIG[var] = substr($0, RSTART+1, length($0) - RSTART)
+	}
+}
+
+# parameters: 2
+function config_get(package, option) {
+	return CONFIG[package "_" option]
+}
+
+# parameters: 3
+function config_get_bool(package, option, default, var) {
+	var = config_get(package, option);
+	if ((var == "enabled") || (var == "1") || (var == "on")) return 1
+	if ((var == "disabled") || (var == "0") || (var == "off")) return 1
+	return (var && var != "0" ? 1 : 0)
+}
+
+
+function read_file(filename,  result) {
+	while ((getline <filename) == 1) {
+		result = result $0 "\n"
+	}
+	gsub(/\n*$/, "", result)
+	return result
+}
+
+function uci_cmd2option(str,  tmp) {
+	if (match(str,"=")!=0) {
+		res = "\toption " substr(str,1,RSTART-1) "\t'" substr(str,RSTART+1) "'"
+	} else {
+		res= ""
+	}
+	return res
+}
+
+function uci_cmd2config(atype,  aname) {
+	return "config \"" atype "\" \"" aname "\""
+}
+
+function uci_update_config(cfg, update,  \
+  lines, line, l, n, i, i2, section, scnt, remove, tmp, aidx, rest) {
+	scnt = 1
+	linecnt=split(cfg "\n", lines, "\n")
+
+	cfg = ""
+	for (n = 1; n < linecnt; n++) {
+		# stupid parser for quoted arguments (e.g. for the type string).
+		# not to be used to gather variable values (backslash escaping doesn't work)
+		line = lines[n]
+		gsub(/^[ \t]*/, "", line)
+		gsub(/#.*$/, "", line)
+		i2 = 1
+		delete l
+		rest = line
+        	while (length(rest)) {
+			if (match(rest, /[ \t\"]+/)) {
+				if (RSTART>1) {
+					l[i2] = substr(rest,1,RSTART-1)
+					i2++
+				}
+				aidx=index(rest,"\"")
+				if (aidx>=RSTART && aidx<=RSTART+RLENGTH) {
+					rest=substr(rest,aidx+1)
+					# find the end of the string
+					match(rest,/\"/)
+					l[i2]=substr(rest,1,RSTART-1)
+					i2++
+				}
+				rest=substr(rest,RSTART+RLENGTH)
+			} else {
+				l[i2] = rest
+				i2++
+				rest = ""
+			}
+		}
+		line = lines[n]
+		
+		# when a command wants to set a config value for the current
+		# section and a blank line is encountered before an option with
+		# the same name, insert it here to maintain some coherency between
+		# manually and automatically created option lines
+		# if an option with the same name appears after this point, simply
+		# ignore it, because it is already set.
+		if ((section != "") && (l[1] != "option")) {
+			if (line ~ /^[ \t]*$/) {
+				if (update ~ "^" section "\\.") {
+					gsub("^" section ".", "", update)
+					cfg = cfg uci_cmd2option(update) "\n"
+					gsub(/=.*$/, "", update)
+					update = "-" section "." update
+				}
+			}
+		}
+
+		if (l[1] == "config") {
+			# look for all unset values
+			if (section != "") {
+				flag=0
+				if (update ~ "^" section "\\.") {
+					flag=1
+					gsub("^" section ".", "", update)
+					cfg = cfg uci_cmd2option(update) "\n"
+					
+					update = "-" section "." update
+				} 
+				if (flag!=0) cfg = cfg "\n"
+			}
+			
+			remove = ""
+			section = l[3]
+			if (!length(section)) {
+				section = "cfg" scnt
+			}	
+			scnt++
+			if (update == "-" section) {
+				remove = "section"
+				update = ""
+			} else if (update ~ "^@" section "=") {
+				update = ""
+			} else if (update ~ "^&" section "=") {
+				gsub("^&" section "=", "", update)
+				line = uci_cmd2config(l[2],update) 
+				update = ""
+			}
+		}
+		if (remove == "option") remove = ""
+		if (l[1] == "option") {
+			if (update ~ "^-" section "\\." l[2] "$") remove = "option"
+			# if a supplied config value already exists, replace the whole line
+			if (match(update, "^" section "." l[2] "=")) {
+				gsub("^" section ".", "", update)
+				line = uci_cmd2option(update)
+				update = ""
+			}
+		}
+		if (remove == "") cfg = cfg line "\n"
+	}
+	
+	# any new options for the last section??
+	if (section != "") {
+		if (update ~ "^" section "\\.") {
+			gsub("^" section ".", "", update)
+			cfg = cfg uci_cmd2option(update) "\n"
+
+			update = "-" section "." update
+		} 
+	}
+
+	if (update ~ "^@") {
+		# new section
+		section = stype = substr(update,2)
+		gsub(/=.*$/,"",section)
+		gsub(/^.*=/,"",stype)
+		cfg = cfg "\nconfig \"" stype "\" \"" section "\"\n"
+	}
+
+	return cfg
+}
diff --git a/package/base-files/files/lib/config/uci.sh b/package/base-files/files/lib/config/uci.sh
index e1571cc891..a76300fa0c 100644
--- a/package/base-files/files/lib/config/uci.sh
+++ b/package/base-files/files/lib/config/uci.sh
@@ -39,16 +39,23 @@ uci_apply_defaults() {(
 	uci commit
 )}
 
+uci_call_awk() {
+	local CMD="$*"
+	awk -f $UCI_ROOT/lib/config/uci.awk -f - <<EOF
+BEGIN {
+	$CMD
+}
+EOF
+}
+
 uci_do_update() {
 	local FILENAME="$1"
 	local UPDATE="$2"
-	awk -f $UCI_ROOT/lib/config/uci-update.awk -f - <<EOF
-BEGIN {
-	config = read_file("$FILENAME")
+	uci_call_awk "
+	config = read_file(\"$FILENAME\")
 	$UPDATE
 	print config
-}
-EOF
+"
 }
 
 uci_add_update() {
@@ -71,7 +78,7 @@ uci_set() {
 		uci_load "$PACKAGE"
 		config_get type "$CONFIG" TYPE
 		[ -z "$type" ]
-	) || uci_add_update "$PACKAGE" "CONFIG_SECTION='$CONFIG'${N}option '$OPTION' '$VALUE'"
+	) || uci_add_update "$PACKAGE" "config_set '$CONFIG' '$OPTION' '$VALUE'"
 }
 
 uci_add() {
@@ -114,19 +121,19 @@ uci_commit() {
 		
 		# replace handlers
 		config() {
-			append updatestr "config = update_config(config, \"@$2=$1\")" "$N"
+			append updatestr "config = uci_update_config(config, \"@$2=$1\")" "$N"
 		}
 		option() {
-			append updatestr "config = update_config(config, \"$CONFIG_SECTION.$1=$2\")" "$N"
+			append updatestr "config = uci_update_config(config, \"$CONFIG_SECTION.$1=$2\")" "$N"
 		}
 		config_rename() {
-			append updatestr "config = update_config(config, \"&$1=$2\")" "$N"
+			append updatestr "config = uci_update_config(config, \"&$1=$2\")" "$N"
 		}
 		config_unset() {
-			append updatestr "config = update_config(config, \"-$1.$2\")" "$N"
+			append updatestr "config = uci_update_config(config, \"-$1.$2\")" "$N"
 		}
 		config_clear() {
-			append updatestr "config = update_config(config, \"-$1\")" "$N"
+			append updatestr "config = uci_update_config(config, \"-$1\")" "$N"
 		}
 		
 		. "/tmp/.uci/$PACKAGE_BASE"