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Split Dictionary files and load them only as needed (#2484)
* Add script to fetch dict files and convert to wordlists * Add script for dictionary splitting * Add split .dic.js files * Add a dictionaryLoader class to handle the lazy loading of the dictionary parts * Use NFKD unicode normalization to get consistent splitting and lookup
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| #!/bin/bash | ||
|
|
||
| ###################################################### | ||
| # Script to fetch dictionary files from | ||
| # cgit.freedesktop.org/libreoffice/dictionaries/tree/ | ||
| # and convert them into wordlists | ||
| ###################################################### | ||
|
|
||
| set -e | ||
|
|
||
| usage() { | ||
| cat <<USAGE | ||
| Usage: $0 [options] | ||
| Fetch dictionary files for specified language and convert to a wordlist | ||
| Options: | ||
| -h, --help: | ||
| print this message | ||
| -l, --lang: | ||
| (required) language to generate wordlist for | ||
| options: ar, en, es, fr, hi, pt, ru, sw | ||
| -d, --dry-run: | ||
| print commands instead of executing them | ||
| -v, --verbose: | ||
| print each line of code before it is executed | ||
| Caveats: | ||
| This script assumes: | ||
| * internet access | ||
| * scripts.wordlist defined in package.json | ||
| * hunspell-reader installed with npm | ||
| If you run this script many times in rapid succession, | ||
| your dictionary download may be throttled by the source | ||
| USAGE | ||
| } | ||
|
|
||
| if [[ $# -eq 0 ]] ; then | ||
| usage | ||
| exit 0 | ||
| fi | ||
|
|
||
| DRYRUN=0 | ||
| LANG= | ||
| while [[ $# -gt 0 ]] ; do | ||
| arg="$1" | ||
| shift | ||
|
|
||
| case ${arg} in | ||
| -h|--help) | ||
| usage | ||
| exit 0 | ||
| ;; | ||
| -l|--lang) | ||
| LANG=$1 | ||
| shift | ||
| if [[ "${LANG}" =~ [^a-z] ]]; then | ||
| echo "The -l/--lang argument must be lowercase alphabetic" | ||
| exit 1 | ||
| fi | ||
| ;; | ||
| -d|--dry-run) | ||
| DRYRUN=1 | ||
| ;; | ||
| -v|--verbose) | ||
| set -x | ||
| ;; | ||
| *) | ||
| echo "Unrecognized argument: ${arg}" | ||
| usage | ||
| exit 1 | ||
| ;; | ||
| esac | ||
| done | ||
|
|
||
| SRC=https://cgit.freedesktop.org/libreoffice/dictionaries/plain/ | ||
| case ${LANG} in | ||
| ar) | ||
| # URL=${SRC}ar/ar | ||
| echo "The Arabic LibreOffice dictionary generates a 1.5 GB wordlist." | ||
| echo "Manually download the wordlist from https://sourceforge.net/projects/arabic-wordlist/ instead" | ||
| echo "and save it to src/resources/dictionaries/ar.txt for use with the split_dictionary.py script." | ||
| exit 1 | ||
| ;; | ||
| en) | ||
| URL=${SRC}en/en_US | ||
| ;; | ||
| es) | ||
| URL=${SRC}es/es | ||
| ;; | ||
| fr) | ||
| URL=${SRC}fr_FR/fr | ||
| ;; | ||
| hi) | ||
| URL=${SRC}hi_IN/hi_IN | ||
| ;; | ||
| pt) | ||
| URL=${SRC}pt_BR/pt_BR | ||
| ;; | ||
| ru) | ||
| URL=${SRC}ru_RU/ru_RU | ||
| ;; | ||
| sw) | ||
| URL=${SRC}sw_TZ/sw_TZ | ||
| ;; | ||
| *) | ||
| echo "Unavailable language: ${LANG}" | ||
| echo "Options: ar, en, es, fr, hi, pt, ru, sw" | ||
| exit 1 | ||
| ;; | ||
| esac | ||
|
|
||
| DIR=src/resources/dictionaries/ | ||
|
|
||
| echo "** Fetching .aff file **" | ||
| AFF=${DIR}${LANG}.aff | ||
| cmd="curl -o ${AFF} ${URL}.aff" | ||
| if [[ $DRYRUN -eq 1 ]] ; then | ||
| echo "$cmd" | ||
| else | ||
| $cmd | ||
| fi | ||
|
|
||
| echo "** Fetching .dic file **" | ||
| DIC=${DIR}${LANG}.dic | ||
| cmd="curl -o ${DIC} ${URL}.dic" | ||
| if [[ $DRYRUN -eq 1 ]] ; then | ||
| echo "$cmd" | ||
| else | ||
| $cmd | ||
| fi | ||
|
|
||
| echo "** Converting to .txt wordlist **" | ||
| TXT=${DIR}${LANG}.txt | ||
| cmd="npm run wordlist -- ${DIC} -po ${TXT}" | ||
| if [[ $DRYRUN -eq 1 ]] ; then | ||
| echo "$cmd" | ||
| else | ||
| $cmd | ||
| fi | ||
| echo "** Wordlist saved to ${TXT} **" | ||
|
|
||
| if [[ $DRYRUN -eq 1 ]] ; then | ||
| echo "rm $AFF" | ||
| echo "rm $DIC" | ||
| else | ||
| rm $AFF | ||
| rm $DIC | ||
| fi | ||
| echo "** Deleted .aff and .dic files **" |
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