47 lines
997 B
Awk
47 lines
997 B
Awk
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function translate_var_refs(str, _out, _name) {
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_out = ""
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while (match(str, /%\[[a-zA-Z0-9_]+\]/)) {
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_out = _out substr(str, 1, RSTART-1)
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_name = substr(str, RSTART+2, RLENGTH-3)
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_out = _out sprintf("${DATA_%s-%[%s]}", _name, _name)
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str = substr(str, RSTART + RLENGTH)
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}
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_out = _out str
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return _out
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}
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function escape_shell(str) {
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gsub(/\\/, "\\\\", str)
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gsub(/'/, "\\'", str)
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gsub(/"/, "\\\"", str)
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gsub(/\$/, "\\$", str)
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return str
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}
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BEGIN {
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begin=0
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}
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{
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if (!begin) {
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printf "export FILENAME='%s'\n", FILENAME
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printf ". preproc/lib.sh\n"
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begin=1
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}
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}
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/^%~/ {
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print substr($0, 3)
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}
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/^%[a-zA-Z0-9_]+:/ {
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_split = index($0, ":")
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_name = substr($0, 2, _split-2)
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_value = substr($0, _split+1)
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printf "export DATA_%s='%s'\n", _name, escape_shell(_value)
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}
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!/^%%|^%~|^%[a-zA-Z0-9_]+:/ {
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printf "printf '%%s\\n' \"%s\"\n", translate_var_refs(escape_shell($0))
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}
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