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Converter written in Java to convert between different Bible program formats

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BibleMultiConverter

Converter written in Java to convert between different Bible program formats

Copyright (c) 2007-2024 Michael Schierl Licensed unter MIT License; for details, see the LICENSE file.

Usage

If you clone from Git or download a source zip, you will need a Java JDK 8 or above (tested up to 11), and Apache Maven 3.5 or above, to build. Just run "mvn package" and you will find a suitable distribution .zip file in the TARGET folder.

If you download a precompiled .zip file, you will need a Java Runtime Environment 8 or above, available from java.com. Just run

java -jar BibleMultiConverter.jar

on the command line for usage information. Each module has its own help, which can be shown by using the "help" module.

Documentation

The documentation is currently a bit lacking. Try the commands, or look at the source, or open an issue if anything is unclear.

Supported Formats

BibleMultiConverter supports four custom formats, which are loss-less (support all features supported by the BibleMultiConverter framework) and are supported both for import and for export:

  • Compact: Designed for creating small text files that compress well
  • Diffable: Designed to make comparing different bibles easier
  • RoundtripTaggedText: Similar to Diffable, but optimized for automated editing using regular expression, at the expense of legibility
  • RoundtripXML: Useful for interchange of modules with converters written in other programming languages (that prefer XML binding to plaintext parsing)

Note that the Diffable format got new features in v0.0.3, v0.0.8 and v0.0.9, which are backwards compatible but not forwards compatible. Use the OldDiffable format to export Bibles in v0.0.9 so that v0.0.8 or older versions are guaranteed to be able to read them.

In addition, there are other formats that can preserve all features supported by the BibleMultiConverter framework, and can therefore used for exchanging or editing modules without loss of data:

  • RoundtripHTML: HTML format that can be read back if desired (originally intended for publishing on free website hosters, but with the advent of free file hosters this feature is pretty much obsolete).
  • RoundtripODT: Export as an editable .odt (OpenOffice/LibreOffice Document Text), which can be edited in LibreOffice (tested with LibreOffice 6.0) and later imported again. Large bibles can take a minute or so to open in LibreOffice 6, which is quite some improvement since LibreOffice 5.x sometimes took more than 15 minutes. Note that all formatting is exported as named Paragraph or Text styles, and other individual formatting will be ignored when importing.

In addition, the following other formats are supported, with varying accuracy:

In combination with third party tools, other export formats are available:

  • In combination with LibreOffice 4.4 to 7.5, it is possible to export bibles for Logos Bible Software (see below for details)
  • In combination with the E-Sword ToolTipTool NT v2.51, it is possible to export bibles for E-Sword versions older than 11 (see below for details)

While the focus of this tool is for bible texts, there is also limited support for (Strong) dictionaries.

The StrongDictionary import filter downloads a public domain Strong dictionary and compiles it for exporting as HTML, MobiPocket, Logos or ZefDic (currently no other exporters support dictionaries).

The StrongConcordance import filter takes a Strong dictionary and a Bible and augments the dictionary with concordance information (i. e. links that link back to all verses that contain this word in that particular Bible).

Three utility exporters are also available: Validate validates the syntax of a bible file, and StrippedDiffable exports a Diffable, but removes certain features (like prologs, footnotes, headlines, etc.) In case you want to rename or remove certain books automatically, have a look at the Diffable importer, which provides options for that. HeatMapHTML can generate heat maps (or verse statistics) which show how often a certain feature (e. g. a footnote, a divine name, or the word "Jesus") appears in the Bible and where exactly.

AugmentGrammar can analyze the use of grammar information (Strongs, morphology, source indices) in one or more bible modules and use this information to augment other modules (e.g. modules that contain Strongs but no morphology). It can also be used to dump grammar information as a CSV file to analyze it elsewhere, or generate source indices in Original Language modules by counting grammar info tags.

The ValidateXML tool can be used to validate an input XML file against a XSD schema. The schema can be given as a file, as an URL or one of the embedded schema names OSIS, ZefaniaXML, HaggaiXML, RoundtripXML, USFX, USX or ZefDic. This is useful as in case of an invalid XML input file, the schema usually provides better error messages than what is provided by the import modules.

The SQLiteDump tool (part of the SQLite edition) can dump SQLite databases in a diffable text format; useful for diagnosing problems with Bible programs that use SQLite based formats or for importing MyBible.Zone bibles.

The ParatextConverter tool can be used to convert between USFM/USFX/USX formats without converting to BibleMultiConverter's internal format first, or to remove tagged OT/NT/Deuterocanonical content from such a file. It can also be used to convert from/to ParatextDump (which is a diffable plain text dump of the internal Paratext structure and useful for comparing different Paratext formats), *ParatextCompact (a more compact representation intended for archival which will remain forward compatible) and ParatextVPL (which is a different diffable format that looks more like VPL, but uses Paratext tags) formats. In combination with the ParatextStripped format, various features of the file can be stripped or it can be made compatible to an older USFM version. And ParatextValidate format can be used to validate inconsistencies of the paratext format, like unclosed/unopened milestones or paragraph markers without text or unexpected extra text.

The MyBibleZoneListDownloader tool (part of SQLite edition) can be used to download the list of available MyBible.Zone modules from the module registry (that is also queried by the Android app) and create a HTML file with download links and (JavaScript) filters. This is needed as the website apparently does not include all modules available in the app.

Planned formats

EPUB export is planned (but not high priority at the moment).

If you want to see any other formats, feel free to open an issue (or a pull request :-D).

Limitations

When comparing the bible formats that are currently used (both free and commercial), they can be divided into two broad categories (or paradigms).

The first category uses books, prologs, chapters, verses and head-lines as primary structural elements. As a consequence, formattings/styles cannot span verse boundaries, and paragraph separators are always inside (or often at the end of) verses.

Zefania XML, Haggai XML, TheWord, PalmBible+, e-Sword, SWORD, most online bible websites, and also the commercial MfChi format follow this category. Therefore, the format internally used by this converter follows this category.

The other category, which covers popular formats like Logos Bible Software or USFM, treats formattings and paragraphs as primary structural elements. Within these formattings, so-called milestone markers are used to denote the beginning and end of chapters and verses. Prologs, appendixes, or headlines are a concept that does not exist (and neither is required) for this paradigm - text that is inside a chapter but before the first verse happens to be a chapter prolog, for example.

Non-bible-specific Export formats like MobiPocket, HTML or ePub can also handle these formats quite well, by skipping all the milestone markers.

OSIS is some kind of hybrid format, as the creator can decide whether formatting or structural elements are represented as nested tags; the other type is then represented as milestones.

As this converter internally uses the first category, conversions between different second-category formats (like from verse-milestoned OSIS to Logos) will always lose more information than needed; if you want to convert this way, perhaps another converter tool is more appropriate for your needs. As soon as either the input or the output format is of first category, this converter probably outperforms other converters easily.

In addition, some Bible formats have very sophisticated formatting features (which are not used by most of the available modules), like several paragraph styles or even list and tables. All these formats get reduced to the bare minimum: paragraph breaks as well as line breaks with and without indentation.

Reporting exporter bugs

In case you are trying to export a module, but the exporter throws an error message you do not understand, I'd prefer if you could share a Diffable version of the module with me. However, I understand that this is not always possible, e.g. due to copyright restrictions. In that case, you can try if the bug can still be reproduced after exporting export the module using the ScrambledDiffable export format; this format is designed to leave the structure of the document intact but scramble all the (Greek and Latin) letters and digits are scrambled beyond repair (or repairable with a password if you prefer).

Try using =23 as argument first, which should replace all letters by 'X', resulting in a well compressible file. In case that one does not reproduce the bug, use without arguments (random numbers). In case you want to share a Bible where others are able to compare if their verses are the same, use '#SHA-1' as argument; that way, the same verse will scramble to the same 'ciphertext', so the resulting files are still diffable although unreadable. In case you have to be able to reverse the scrambling (if the whole file is unchanged), you can use '+Password' for initial scrambling and '-Password' for later decrypting. To verify if two bible were scrambled from the same source (using different parameters), scramble them again in constant mode, and diff the results. Note that since 'encrypting' uses a stream cipher, if you use the same password for more than one file, an attacker with cryptanalysis background that knows only this piece of information can use it for correlation attacks to get the plain text. Therefore, use different passwords for multiple bibles (like, add the bible name to them), or better, use real encryption like AES instead.

Versification handling

Most Bible formats do not care about versifications (they just store book chapter:verse without caring how many verses a certain chapter has), or support only a single versification (usually KJV or KJVA). Exceptions being SWORD and Logos, which encode the versification mapping in the bible itself. Therefore, this converter usually does not care about versifications; in case a format is limited to a versification, verses will be merged until they fit.

However, there is some support for handling "external" versification mappings (stored in .bmcv files). A Versification tool can be used to import and export versification mappings from different formats, and perform some other modifications (like renaming or deleting versifications, or joining or comparing them). A VersificationDetector export filter can be used to determine which versification in a .bmcv file fits a given bible best. And a VersificationMappedDiffable can be used to "change" the versification of an existing Bible text.

When referring to versification mappings in a file, the general syntax is from/to or from/to/number. Use the latter form (number starts with 1) in case there is more than one mapping stored in your file between the same two versifications. If you use the form without number, but there are multiple mappings, the system will automatically try to find the "best" mapping; i. e. the one that maps more verses and/or maps them more precisely (e. g. a mapping that maps Gen 1:1 to Gen 1:1 and Gen 1:2 to Gen 1:2 is more precise than a mapping that maps Gen 1:1-2 to Gen 1:1-2). In case this cannot be determined, an error message is shown.

When merging mappings from multiple files, you can come into a situation where you have two versifications that represent essentially the same bible, but have different names. Trying to join a path between these two versifications will fail (as there is no common mapping). In this case, you can write name1/name2/-1 to dynamically create an identity mapping: all verses that exist in both versifications automatically map to themselves, all other verses are unmapped.

Supported Versification formats:

  • BMCV (own database format): Import and export (versifications and mappings)
  • KJV (hard-coded KJV versification): "Import" only (no mapping)
  • CCEL: Import and export (versifications and mappings)
  • OpenScriptures: Import only (versifications only, no mappings)
  • SWORDVersification: Import versifications and mappings from SWORD
  • AccordanceReferenceList: Import a reference list from Accordance
  • SoftProjectorVersification: Import versification mapping from SoftProjector bible
  • ReportHTML: Export only (HTML report that shows difference of covered verses)

SWORD import

As the SWORD format is quite complex, I'm using a third party library JSword for parsing it. That library adds quite some footprint to the application (almost 20MB) so SWORD import is only available in a special SWORD edition, which is available as a separate download (but in the same source repository).

SWORD is special in the sense that you do not have a file to import, but a module directory and some bibles in there to import (specified by initials). Just separate those by a slash, and use this as the filename.

In case you do not have a SWORD module directory locally, you can use the SWORDDownloader tool to download some bibles from a SWORD http repository into a new module directory.

Paratext formats (USFM/USX)

Not all verse number formats are supported by Paratext, the following conversions can occur when converting from a non Paratext format to a Paratext format (warnings will be shown when these occur):

- 11/13 becomes 11
- 4.6.9 becomes 4
- 2G becomes 2
- 10/12G becomes 10
- 1-4.7 becomes 1-4
- 1.4-7 becomes 1

UBXF Support

UBXF bibles are based on USFM 3 but contain extra alignment milestones that can be used to align the text to another UBXF bible. In general, the \w tags in UBXF bibles only contain lemma and morphology information if the bible is in a source language - other bibles contain alignment information to another Bible instead. BibleMulticonverter can perform the following operations on UBXF files:

  • Add srcloc attributes to \w tags of source bibles, simply by counting them within a verse
  • Create a database file that contains word information from a (source language) bible and maps it to Lemma/Strongs/Morphology
  • Use this database file to augment alignment milestones in a translated bible with those data
  • Create new \w tags for parts between aligment milestones, if your bible does not have them and/or you want them grouped by source word not by translated word.
  • Fill \w tag attributes based on the augmentations in the alignment milestones (to convert to a format that does not support aligment milestones, i.e. most formats)
  • Convert grammar tags (strongs,morphology) from the format used by [unfoldingWord][https://unfoldingword.us/] to normal Strongs/RMAC/WIVU tagging used by other formats

Depending on which UBXF translations you have and what format you ultimately want to convert them to, you will have to find out which of the steps above you want to perform and which ones not.

E-Sword export

BibleMultiConverter has two export filters. One (ESwordV11) targets the new (version 11) module format, which is based on SQLite and HTML, and can be exported without any third party tools and natively supports Strong's numbers and footnotes. The other one is the format for older versions (ESwordHTML), requires third party tools (ToolTipTool), and does not support native footnotes (puts them into a commentary module instead). The rest of this chapter is about the second one.

To export for E-Sword, first use the ESwordHTML export filter, which generates two HTML files (.bblx.html and .cmtx.html) which can then imported into ToolTipTool and converted to an E-Sword Bible. As the HTML import filter of ToolTipTool is a bit buggy and nondeterministic (it tends to insert line breaks in the middle of lines, resulting in conversion errors; sometimes it helps to just import the same file again, sometimes not) there is a special "marker" parameter that can be set to anything that does not occur in the bible text ($EOF$ works fine usually). Then import in ToolTipTool NT (dont mind if extra newlines get added), export in ToolTipTool NT as RTF, and run ESwordRTFPostprocessor over the RTF file to fix it. The fixed RTF file can then be imported in ToolTipTool without issues and converted as desired.

[In case you know an easier way to deal with this issue, please tell me :-). If you want to contribute an E-Sword exporter that directly writes the SQL Database files, it will be very much appreciated.]

Logos Bible Software export

As the dependencies are quite large and non-free, this feature is only available in the "Logos Edition" which is a separate binary download (but included in the same source repository). As this format is quite complex (compared to the others), this export is a multi-step process:

First run the LogosVersificationDetector, which will find a verse map for you that covers (hopefully) all verses of your Bible. Then run LogosHTML to produce a HTML file, which you can open in LibreOffice (HTML Writer format) and save as .docx (Office 2007 XML format). Note that HTML import in LibreOffice 7.6 is totally broken, and in LibreOffice 24.2 it changed in incompatible ways, for now please use LibreOffice 7.5 or older for conversion.

In case your bible contains cross references to books/verses that are not covered by your bible itself, don't forget to pass the -xref option to the versification detector, as Logos will not render datatype links to cross references that do not exist in the verse map (In case you do not get a match that covers both your verses and your xrefs, but there is a match that covers all verses, use that one, as it is better to lose datatype links for your cross references, than to lose some verses).

As LibreOffice has some limitations in exporting of hyperlinks, if your original bible contained Grammar information (Strongs or Morphology tags), you will have to run the resulting DOCX file through LogosNestedHyperlinkPostprocessor or the Grammar information will look broken in Logos.

[In case anybody wants to contribute a Logos exporter that directly writes .docx files, it will be very much appreciated.]

Accordance export

Accordance export also is quite complex, but this time not because of the complexity of the format, but because of some quirks in Accordance and because - due to the limited features - there are several common workarounds available (which are used by people when manually creating modules as well), but which do not apply to every module. Sometimes, it makes even sense to create multiple modules of the same bible with different options and use them at the same time.

Character formats are limited to bold, italic, underlined, small caps, subscript, superscript, and 20 named colors. While it is quite common to format divine names in small caps, and words of Jesus in red (which by the way is the only color that can be switched on and off in the settings), it is unclear how to format e.g. prologs, headlines or footnotes, or whether to include them at all. Another peculiarity: When searching in the module, you can exclude text that is written in square brackets; therefore some people like to put these kinds of content into square brackets; others (who prefer "clean" display) do not.

Therefore, it is possible to configure the appearance of each of the available Bible features individually, and whether they should be exported at all. Features used in the text that are not configured (except the aforementioned divine names and words of Jesus) cause a warning. Each feature can be configured independently how it should appear if it occurs in a chapter prolog. Available appearance options include the mentioned character formats, adding newlines or paragraphs before/after the items, and putting the item in round, square or curly brackets.

As character set, MacRoman or UTF-8 can be used; while MacRoman is supported better by older Accordance versions, UTF-8 supports more characters. Line endings can be CR or LF; again CR for better compatibility, LF for interoperability with other editors.

For all the options, see the help text of the module.

Another point to keep in mind are versification schemas.

When importing a Bible in accordance, there are basically two options for the Versification schema:

  • When choosing "Standard KJV", you are quite free what verse numbers to include. As long as they basically fall inside the bounds of the KJV (about 10 more verses are permitted per book), verse numbers can be omitted and the number of actual verses in a book does not matter (as long as there is at least one). As a disadvantage, viewing this Bible in parallel with other (official) Bibles will likely not match your expectations.

  • The other option is to choose to take the versification scheme of any other Bible you own. In that case, the verse numbers (and order and gaps) have to match the verse numbers of that Bible exactly. If verses at the beginning or in the middle are missing, wrong verse numbers are displayed next to the verses (even when the Bible is shown alone), and if verses at the end are missing or too many, only the parallel view is impacted. But, on the other hand, parallel display with other Bibles will most likely work as you would expect.

To cover these two variants, there are several options in the exporter.

  • By default, reordered verses will be sorted (and the format for the real verse number can be given by the VN= option, VN=BRACKETS+CERULEAN is a good option), but apart from that, verses will stay as they were in the import file. This option is often suitable for "Standard KJV" versification.

  • When specifying verseschema=restrictkjv, verses that lie outside the KJV versification will be joined, again using the VN= option for the real verse numbers.

  • When specifying verseschame=fillone, verses that are missing and lie before an existing verse (starting with verse 1) will be filled with -. This is the poor man's option when using an existing versification scheme, in the hope that this scheme does not have any reorderings or gaps, and will not help for parallel view.

  • When specifying verseschema=fillzero, some Psalms (in particular 3-9, 11-32, 34-42, 44-70, 72-90, 92, 98, 100-103, 108-110, 120-134, 138-145) will be filled starting with verse 0. This helps for versification schemes that follow KJV and put the psalm title into verse 0, but still only a workaround.

  • The best option when using custom versifications is to export a reference list from Accordance (or more if you are unsure which versification to use), import them into BibleMultiConverter and then specify the versification as verseschema=<name>@<dbname>. In that case, the versification schema is followed exactly, omissions are moved to the previous verse (if present) and reorderings are followed at a best effort basis. In addition, missing verses at the end of the book will also be filled with -, and extra books will be merged with the previous book.

  • In some cases, the total verses of a book would follow an existing versification exactly, except that the chapter boundaries are moved. There are two options how this can be handled: either add a # sign to the verseschema= option (like verseschema=#<name>@<dbname>), which means that the export will still follow the verse schema exactly, only that in case a book contains both gaps (empty verses) and merged verses, verse content gets shifted to keep every verse separate (adding real verse numbers to the beginning of the verse text). Another option exploits an implementation detail in Accordance 13: In some cases, it is possible to import for a versification in case the total verse number matches but not the chapter boundaries (e.g if a versification has chapters with 13 and 9 verses, and the bible has 12 and 10 verses, it imports fine). To allow that kind of verse number tweaking, you can give a verseschemashift=<nbr> option, where <nbr> is the number of verses that may be added/removed from a single chapter. In case a chapter has gaps at the end of one chapter and merged verses at the end of another chapter, the verse schema is tweaked accordingly. If you want to see when this happens, add a + to the beginning of the number.

The usual workflow when using custom versifications is as follow

  1. Identify which versification formats you may want to use (or export all if you are unsure and have the time/patience to do so).

  2. Export a versification list from Accordance. To do so, open the corresponding Bible, choose Display->Set Text Pane Display->Show As->References only as well as Display->Set Text Pane Display->Advanced->Use English Book Names. Then, select all verses (Edit->Select All) and save them using File->Save Text Selection->Plain Text....

  3. Import the versifications into BibleMultiConverter. Therefore, a database file with extension .bmcv (BibleMultiConverter Versification) is created. The command to do so is:

    java -jar BibleMultiConverter.jar Versification <file>.bmcv import AccordanceReferenceList <file>.txt <NAME>

    Repeat this for every versification you want to import, into the same database file, but using different names.

  4. Run VersificationDetector to decide which module to use. Use the options -title and -ignoreheadlines for best results.

  5. Do the actual conversion, using the verseschema= option as mentioned above.

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Converter written in Java to convert between different Bible program formats

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java converter parser json xml conversion bible logos obsidian usfm sword crosswire osis mybible theword paratext online-bible zefania accordance quick-bible

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