peliprint/blueprint/lib/parse_yaml.sh
2023-06-17 13:24:35 +02:00

117 lines
4.6 KiB
Bash

#!/bin/bash
#
# This script may have been modified to work better with Blueprint.
# Source code: https://github.com/mrbaseman/parse_yaml
function parse_yaml {
local prefix=$2
local separator=${3:-_}
local indexfix
# Detect awk flavor
if awk --version 2>&1 | grep -q "GNU Awk" ; then
# GNU Awk detected
indexfix=-1
elif awk -Wv 2>&1 | grep -q "mawk" ; then
# mawk detected
indexfix=0
fi
local s='[[:space:]]*' sm='[ \t]*' w='[a-zA-Z0-9_]*' fs=${fs:-$(echo @|tr @ '\034')} i=${i:- }
cat $1 | \
awk -F$fs "{multi=0;
if(match(\$0,/$sm\|$sm$/)){multi=1; sub(/$sm\|$sm$/,\"\");}
if(match(\$0,/$sm>$sm$/)){multi=2; sub(/$sm>$sm$/,\"\");}
while(multi>0){
str=\$0; gsub(/^$sm/,\"\", str);
indent=index(\$0,str);
indentstr=substr(\$0, 0, indent+$indexfix) \"$i\";
obuf=\$0;
getline;
while(index(\$0,indentstr)){
obuf=obuf substr(\$0, length(indentstr)+1);
if (multi==1){obuf=obuf \"\\\\n\";}
if (multi==2){
if(match(\$0,/^$sm$/))
obuf=obuf \"\\\\n\";
else obuf=obuf \" \";
}
getline;
}
sub(/$sm$/,\"\",obuf);
print obuf;
multi=0;
if(match(\$0,/$sm\|$sm$/)){multi=1; sub(/$sm\|$sm$/,\"\");}
if(match(\$0,/$sm>$sm$/)){multi=2; sub(/$sm>$sm$/,\"\");}
}
print}" | \
sed -e "s|^\($s\)?|\1-|" \
-ne "s|^$s#.*||;s|$s#[^\"']*$||;s|^\([^\"'#]*\)#.*|\1|;t1;t;:1;s|^$s\$||;t2;p;:2;d" | \
sed -ne "s|,$s\]$s\$|]|" \
-e ":1;s|^\($s\)\($w\)$s:$s\(&$w\)\?$s\[$s\(.*\)$s,$s\(.*\)$s\]|\1\2: \3[\4]\n\1$i- \5|;t1" \
-e "s|^\($s\)\($w\)$s:$s\(&$w\)\?$s\[$s\(.*\)$s\]|\1\2: \3\n\1$i- \4|;" \
-e ":2;s|^\($s\)-$s\[$s\(.*\)$s,$s\(.*\)$s\]|\1- [\2]\n\1$i- \3|;t2" \
-e "s|^\($s\)-$s\[$s\(.*\)$s\]|\1-\n\1$i- \2|;p" | \
sed -ne "s|,$s}$s\$|}|" \
-e ":1;s|^\($s\)-$s{$s\(.*\)$s,$s\($w\)$s:$s\(.*\)$s}|\1- {\2}\n\1$i\3: \4|;t1" \
-e "s|^\($s\)-$s{$s\(.*\)$s}|\1-\n\1$i\2|;" \
-e ":2;s|^\($s\)\($w\)$s:$s\(&$w\)\?$s{$s\(.*\)$s,$s\($w\)$s:$s\(.*\)$s}|\1\2: \3 {\4}\n\1$i\5: \6|;t2" \
-e "s|^\($s\)\($w\)$s:$s\(&$w\)\?$s{$s\(.*\)$s}|\1\2: \3\n\1$i\4|;p" | \
sed -e "s|^\($s\)\($w\)$s:$s\(&$w\)\(.*\)|\1\2:\4\n\3|" \
-e "s|^\($s\)-$s\(&$w\)\(.*\)|\1- \3\n\2|" | \
sed -ne "s|^\($s\):|\1|" \
-e "s|^\($s\)\(---\)\($s\)||" \
-e "s|^\($s\)\(\.\.\.\)\($s\)||" \
-e "s|^\($s\)-$s[\"']\(.*\)[\"']$s\$|\1$fs$fs\2|p;t" \
-e "s|^\($s\)\($w\)$s:$s[\"']\(.*\)[\"']$s\$|\1$fs\2$fs\3|p;t" \
-e "s|^\($s\)-$s\(.*\)$s\$|\1$fs$fs\2|" \
-e "s|^\($s\)\($w\)$s:$s[\"']\?\(.*\)$s\$|\1$fs\2$fs\3|" \
-e "s|^\($s\)[\"']\?\([^&][^$fs]\+\)[\"']$s\$|\1$fs$fs$fs\2|" \
-e "s|^\($s\)[\"']\?\([^&][^$fs]\+\)$s\$|\1$fs$fs$fs\2|" \
-e "s|$s\$||p" | \
awk -F$fs "{
gsub(/\t/,\" \",\$1);
if(NF>3){if(value!=\"\"){value = value \" \";}value = value \$4;}
else {
if(match(\$1,/^&/)){anchor[substr(\$1,2)]=full_vn;getline};
indent = length(\$1)/length(\"$i\");
vname[indent] = \$2;
value= \$3;
for (i in vname) {if (i > indent) {delete vname[i]; idx[i]=0}}
if(length(\$2)== 0){ vname[indent]= ++idx[indent] };
vn=\"\"; for (i=0; i<indent; i++) { vn=(vn)(vname[i])(\"$separator\")}
vn=\"$prefix\" vn;
full_vn=vn vname[indent];
if(vn==\"$prefix\")vn=\"$prefix$separator\";
if(vn==\"_\")vn=\"__\";
}
assignment[full_vn]=value;
if(!match(assignment[vn], full_vn))assignment[vn]=assignment[vn] \" \" full_vn;
if(match(value,/^\*/)){
ref=anchor[substr(value,2)];
if(length(ref)==0){
printf(\"%s=\\\"%s\\\"\n\", full_vn, value);
} else {
for(val in assignment){
if((length(ref)>0)&&index(val, ref)==1){
tmpval=assignment[val];
sub(ref,full_vn,val);
if(match(val,\"$separator\$\")){
gsub(ref,full_vn,tmpval);
} else if (length(tmpval) > 0) {
printf(\"%s=\\\"%s\\\"\n\", val, tmpval);
}
assignment[val]=tmpval;
}
}
}
} else if (length(value) > 0) {
printf(\"%s=\\\"%s\\\"\n\", full_vn, value);
}
}END{
for(val in assignment){
if(match(val,\"$separator\$\"))
printf(\"%s=\\\"%s\\\"\n\", val, assignment[val]);
}
}"
}