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#!/bin/bash
# usage: ./genhelp.sh
#
# expects halibut to be installed in $PATH:
# http://www.chiark.greenend.org.uk/~sgtatham/halibut
#
# also requires host CC and lz4 library to be available
halibut --text src/puzzles.but
# preprocess the input
# strip leading whitespace
cat puzzles.txt | awk '{$1=$1; print}' > puzzles.txt.tmp
# cut at "Appendix A"
cat puzzles.txt.tmp | awk 'BEGIN { a=1; } /Appendix A/ { a = 0; } a==1' > puzzles.txt
rm puzzles.txt.tmp
# now split into different files
mkdir -p help
cat puzzles.txt | awk '
BEGIN {
file = "none";
}
/#Chapter/ {
if($0 !~ / 1:/ && $0 !~ / 2:/)
{
if(file != "none")
print ";" > file;
file = "help/"tolower($3$4)".c";
if($3 ~ "Rectangles")
file = "help/rect.c";
print "/* auto-generated by genhelp.sh (intermediate file) */" > file;
print "/* DO NOT EDIT! */" > file;
print "const char help_text[] = " > file;
}
}
file != "none" {
/* escape backslashes */
gsub(/\\/,"\\\\");
if($0 ~ /\$/)
print("WARNING: text contains dollar sign: change special character!" $0);
/* replace underscores with dollar signs (not used in any of the puzzles docs) */
if($0 ~ /http/)
gsub(/_/,"$");
begin = "";
last = substr($0, length($0), 1);
/* hack for chapter titles */
if(substr($0, 1, 1) == "#" || length($0) == 0)
term=" \\n";
else
term = " ";
/* custom code markup (halibut modification required) */
if(substr($0, 1, 2) == ">>")
{
gsub(/>> /,"");
term = " \\n";
}
print "\"" begin $0 term "\"" > file;
}
END {
print ";" > file;
}
'
# now compress
for f in help/*.c
do
echo "Compressing: "$f
gcc compress.c $f -llz4 -o compress -O0
./compress > $f.tmp
mv $f.tmp $f
done
# generate quick help from gamedesc.txt
cat src/gamedesc.txt | awk -F ":" '{print "const char quick_help_text[] = \""$5"\";" >> "help/"$1".c" }'
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