luci-base(-libs): move pcdata() and striptags() from util- to xml-class

To complete the previous commit these functions are defined in the resulting
luci-base package but are also used in the new luci-base-libs package. So
move them into the new xml-module of the new package.

Signed-off-by: Sven Roederer <freifunk@it-solutions.geroedel.de>

2 files changed, 49 insertions, 0 deletions

diff --git a/modules/luci-base/luasrc/xml.lua b/modules/luci-base/luasrc/xml.lua
new file mode 100644
index 000000000..30b37210b
--- /dev/null
+++ b/modules/luci-base/luasrc/xml.lua
@@ -0,0 +1,26 @@
+-- Copyright 2008 Steven Barth <steven@midlink.org>
+-- Licensed to the public under the Apache License 2.0.
+
+local tparser = require "luci.template.parser"
+local string = require "string"
+
+local tostring = tostring
+
+module "luci.xml"
+
+--
+-- String and data manipulation routines
+--
+
+function pcdata(value)
+	return value and tparser.pcdata(tostring(value))
+end
+
+function striptags(value)
+	return value and tparser.striptags(tostring(value))
+end
+
+
+-- also register functions above in the central string class for convenience
+string.pcdata      = pcdata
+string.striptags   = striptags
diff --git a/modules/luci-base/luasrc/xml.luadoc b/modules/luci-base/luasrc/xml.luadoc
new file mode 100644
index 000000000..58de53396
--- /dev/null
+++ b/modules/luci-base/luasrc/xml.luadoc
@@ -0,0 +1,23 @@
+---[[
+LuCI utility functions.
+]]
+module "luci.xml"
+
+---[[
+Create valid XML PCDATA from given string.
+
+@class				function
+@name				pcdata
+@param value		String value containing the data to escape
+@return				String value containing the escaped data
+]]
+
+---[[
+Strip HTML tags from given string.
+
+@class				function
+@name				striptags
+@param value		String containing the HTML text
+@return				String with HTML tags stripped of
+]]
+