1 #!/bin/bash

     2 

     3 # Relational pipes

     4 # Copyright © 2021 František Kučera (Frantovo.cz, GlobalCode.info)

     5 #

     6 # This program is free software: you can redistribute it and/or modify

     7 # it under the terms of the GNU General Public License as published by

     8 # the Free Software Foundation, version 3 of the License.

     9 #

    10 # This program is distributed in the hope that it will be useful,

    11 # but WITHOUT ANY WARRANTY; without even the implied warranty of

    12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

    13 # GNU General Public License for more details.

    14 #

    15 # You should have received a copy of the GNU General Public License

    16 # along with this program. If not, see <http://www.gnu.org/licenses/>.

    17 

    18 

    19 # This script reads data in an alternative format (INI, MIME, YAML etc.)

    20 # and converts it to XML using a relpipe-in-*table command.

    21 # 

    22 # This script should not be called directly.

    23 # Rather create a symlink like ini2xml for particular formats.

    24 # The input format is determined by the symlink name.

    25 # 

    26 # Optional features:

    27 #  - XML indentation: needs the xmllint command

    28 #  - XML syntax highlighting: needs the pygmentize command

    29 

    30 set -o pipefail

    31 

    32 indentXML() {

    33 	if type "xmllint" &> /dev/null; then

    34 		xmllint --format -

    35 	else

    36 		cat

    37 	fi

    38 }

    39 

    40 colorizeXML() {

    41 	if [ ! -t 1 ]; then

    42 		cat

    43 	elif type "pygmentize" &> /dev/null; then

    44 		pygmentize -l xml

    45 	else

    46 		# echo "Missing optional command „pygmentize“ needed for XML syntax highlighting." 1>&2

    47 		cat

    48 	fi

    49 }

    50 

    51 baseName=$(basename "$0");

    52 

    53 if [[ "$baseName" =~ ^(.+)2xml$ ]]; then

    54 	inputFormat=${BASH_REMATCH[1]};

    55 	relpipeCommand="relpipe-in-${inputFormat}table";

    56 	

    57 	if type "$relpipeCommand" &> /dev/null; then

    58 		"$relpipeCommand" \

    59 			"${@}" \

    60 			--relation "2xml" \

    61 				--records "/" \

    62 				--attribute "xml" string "." --mode raw-xml \

    63 			| relpipe-out-nullbyte | tr -d \\0 | indentXML | colorizeXML

    64 	else

    65 		echo "Unable to find „$relpipeCommand“ command needed for conversion of „$inputFormat“ format to XML.";

    66 	fi

    67 else

    68 	echo "Usage: Do not use this script directly. Create a symling (e.g. ini2xml) to this file.";

    69 fi