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elinks/Unicode/gen-cp

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#!/bin/sh
# $Id: gen-cp,v 1.13 2005/03/05 22:08:22 zas Exp $
echo
echo Generating code page translation tables.
codepages=`cat index.txt`
if [ -n "$codepages" ]; then
(
n=0
echo '/* Automatically generated by gen-cp */'
echo '/* DO NOT EDIT THIS FILE! EDIT Unicode/<whatever> INSTEAD! */'
echo
for i in $codepages; do
echo -n $i' ' 1>&2
echo
echo
echo "/*** $i ***/"
echo
echo 'struct table_entry table_'$i' [] = {'
# TODO: Comments inside of the structure are ugliness in a pure clean
# form, and my aesthetical feeling shivers upon glancing at it. However
# we should handle commentless records. A loop with read inside would
# be ideal, I suppose. --pasky
tail -n +3 $i.cp | sed 's/# *\(.*\) *$/\/* \1 *\/ /' | grep '^0x[89a-zA-Z]' \
| sed 's/[ ][ ]*/ /g' | sed 's/[ ]*$/ },/' | sed 's/ /, /' \
| sed 's/^[ ]*/ {/' | grep '.*,.*,'
echo ' {0, 0}'
echo '};'
echo
echo 'unsigned char *aliases_'$i' [] = {'
head -n 2 $i.cp | tail -n +2 | sed 's/ \+/ /g; s/ $//; s/\", /\",<2C>/g; s/$/,/' | tr "<22>" "\n" \
| sed 's/^/<2F>/g' | tr "<22>" "\t"
echo ' NULL
};'
n=`expr $n + 1`
done
echo
echo 'struct codepage_desc codepages [] = {'
for i in $codepages; do
echo ' {"'`head -n 1 $i.cp`'", aliases_'$i', table_'$i'},'
done
echo ' {NULL, NULL, NULL}'
echo '};'
echo
echo '#define N_CODEPAGES '$n | sed 's/ //g'
) | sed 's/ //g' > ../src/intl/codepage.inc
echo
echo Done.
fi
echo