[Performous-commit] Fredrik Klasson : [+] Oops, missed adding the script doing the work on XML files.

[Fredrik K. <sci...@us...>]

Module: performous
Branch: master
Commit: 3b72a0ac1423298b64b872f53d69f972ae216ea5

Author: Fredrik Klasson <fr...@li...>
Date:   Sun Aug 29 21:44:49 2010 +0200

[+] Oops, missed adding the script doing the work on XML files.

---

 tools/scripts/xml_gettext.sh |  116 ++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 116 insertions(+), 0 deletions(-)

diff --git a/tools/scripts/xml_gettext.sh b/tools/scripts/xml_gettext.sh
new file mode 100755
index 0000000..d7ff320
--- /dev/null
+++ b/tools/scripts/xml_gettext.sh
@@ -0,0 +1,116 @@
+#!/bin/bash
+#
+# This script is intended to be executed from Poedit
+# See instructions in lang/README.
+#
+# As long as the xml files are well-formed XML documents with
+# locale blocks like the following one (from scheme.xml) this
+# script should have no problems extracting the strings.
+#		<locale name="C">
+#			<short>Karaoke mode</short>
+#			<long>Hide pitch wave, notes and scoring.</long>
+#		</locale>
+
+# adds a line to the temporary source file
+append_temp_src(){
+	echo "$*" >> "$TEMP_SRC"
+}
+
+# match <locale name="C">, ignoring allowed whitespace.
+match_locale_start(){
+	echo "$1" | grep -qE '^[[:space:]]*<[[:space:]]*locale[[:space:]]+name="C"[[:space:]]*>[[:space:]]*$'
+	return $?
+}
+
+# match </locale>, ignoring allowed whitespace.
+match_locale_end(){
+	echo "$1" | grep -qE '^[[:space:]]*<[[:space:]]*/[[:space:]]*locale>[[:space:]]*$'
+	return $?
+}
+
+# matches lines with <$1>...</$1>, ignoring allowed whitespace.
+match_simple_tag(){
+	echo "$2" | grep -qE "^[[:space:]]*<[[:space:]]*$1[[:space:]]*>.*</[[:space:]]*$1[[:space:]]*>[[:space:]]*$"
+	return $?
+}
+
+# <abc>def</abc> -> _("def")
+# Note: every " is automatically replaced by \". This is what you want, not
+# invalid C code.
+transform_simple_tag_to_keyworded_string(){
+	echo "$1" | sed -re 's:\":\\\":g' -e 's:^[[:space:]]*<[[:space:]]*([a-z]+)[[:space:]]*>(.*)<[[:space:]]*/[[:space:]]*\1[[:space:]]*>[[:space:]]*$:_("\2"):'
+}
+
+transform_and_add_string(){
+	append_temp_src "$(transform_simple_tag_to_keyworded_string "$1")"
+}
+
+# transform <short/> and <long/> lines to _() lines
+process_locale_block_line(){
+	match_simple_tag "short" "$1" && transform_and_add_string "$1"
+	match_simple_tag "long" "$1" && transform_and_add_string "$1"
+}
+
+process_xml(){
+	IN_BLOCK=0
+	line_no=0
+	cat "$1" | while read line
+	do
+		line_no=$(($line_no + 1))
+
+		# A simple 2-state automata, either we're in a <locale/>-block
+		# or we're not. Limited detection and bail-out on malformed XML
+		if [[ $IN_BLOCK -eq 1 ]] ; then
+			match_locale_end "$line"
+			if [[ $? -eq 0 ]] ; then
+				IN_BLOCK=0
+			else
+				process_locale_block_line "$line"
+			fi
+
+			# <locale...> with out </locale> found:
+			match_locale_start "$line" && (echo "Malformed XML $file:$line_no: Opening locale-tag found while already inside a locale block." >&2 ;exit -1)
+
+		else
+			# </locale> with out <locale> found:
+			match_locale_end "$line" && (echo "Malformed XML $file:$line_no:: Closing locale-tag without prior opening tag." >&2 ;exit -1)
+
+			match_locale_start "$line"
+			if [[ $? -eq 0 ]] ; then
+				IN_BLOCK=1
+			fi
+		fi
+	done 
+}
+
+
+if [[ $# -lt 2 ]] ; then
+	echo "USAGE: $0 <output file> <input encoding> [files...]"
+	exit -1 
+elif [[ $# -eq 2 ]] ; then
+	# no input files nothing to do
+	exit 0
+fi
+
+POEDIT_FILE="$1"
+ENC="$2"
+shift
+shift
+
+# create the temporary file securely.
+TEMP_SRC=$(mktemp xml2gettext.XXXXXXXXXX.c)
+append_temp_src "/* This is a automatically generated temp file, it's safe to remove*/"
+
+# Start the dirty work
+for file in $* ; do
+	process_xml "$file"
+done
+
+# Invoke xgettext, poedit will merge this with the rest of the strings
+xgettext --force-po -L C -o "$POEDIT_FILE" --from-code="$ENC" -k_ "$TEMP_SRC"
+RV=$?
+
+# clean up
+rm "$TEMP_SRC"
+
+exit $RV
\ No newline at end of file