json-check

#!/bin/bash
# dwg -> json
# json -> dwg2
# teigha dwg2 -> dxf just to confirm written DWG readability
d="${1:-example_2000}"
b="$(basename "$d" .dwg)"
dir="$(dirname "$d")"
r="$(basename "$dir")"
case $dir in
    *test/test-data) ;;
    *test/test-data/*) b="${b}_${r}" ;;
    *td) ;;
    *td/*)             b="${b}_${r}" ;;
    .)                 ;;
    *)                 b="${b}_${r}" ;;
esac
case $r in
    20*)      ;;
    r9)       r=9 ;;
    r1[0234]) r=${r:1} ;;
    *)  case $b in
            *_20*)      r="${b:(-4)}" ;;
            *_r9)       r=9;          ;;
            *_r1[0234]) r="${b:(-2)}" ;;
        esac ;;
esac

# first create a dwg log to compare against
./log -v3 "$d"
mv "$b.log" "$b.log.orig"
rm "./$b.json" "./$b.dwg" 2>/dev/null

./json -v4 "$d"
if [ -f "$b.json" ]; then
    ./dwg -y -v4 "$b.json"
fi

if [ -f "$b.dwg" ]; then
    case $(uname) in
        Darwin)  TeighaFileConverter=/Applications/TeighaFileConverter.app/Contents/MacOS/TeighaFileConverter ;;
        Linux)   TeighaFileConverter=/usr/bin/TeighaFileConverter ;;
        Windows) TeighaFileConverter=TeighaFileConverter ;;
    esac
    if [ -x "$TeighaFileConverter" ]; then
        cp "./$b.dwg" test/
        echo TeighaFileConverter "test" "." "ACAD$r" DXF 0 1 "$b.dwg"
        $TeighaFileConverter "test" "." "ACAD$r" DXF 0 1 "$b.dwg"
        mv "./$b.dxf.err" "$b.json.err"
    else
        rm "$b.json.err" 2>/dev/null
        echo TeighaFileConverter not installed
    fi

    ./log -v3 "$b.dwg"
    log1="$b.log.orig"
    log2="$b.log"
    echo diff -bu "log1" "$log2"
    diff -bu "$log1" "$log2"

    test -f "$b.json.err"  && cat "$b.json.err"

    if [ -f "$log1" ] && [ -f "$log2" ]; then
        grep -E '^Add entity' "$log1" >"$log1.tmp"
        grep -E '^Add entity' "$log2" >"$log2.tmp"
        if diff -bu0 "$log1.tmp" "$log2.tmp" >/dev/null 2>/dev/null; then
            echo entities roundtrip ok
            rm "$log1.tmp" "$log2.tmp" 2>/dev/null
        else
            diff -bu0 "$log1.tmp" "$log2.tmp" | grep -v '^@@'
        fi
        grep -E '^Add object' "$log1" >"$log1.tmp"
        grep -E '^Add object' "$log2" >"$log2.tmp"
        if diff -bu0 "$log1.tmp" "$log2.tmp" >/dev/null 2>/dev/null; then
            echo objects roundtrip ok
            rm "$log1.tmp" "$log2.tmp" 2>/dev/null
        else
            diff -bu0 "$log1.tmp" "$log2.tmp" | grep -v '^@@'
        fi
    fi
fi