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36cd83f21b
fs dependency removed from the main hextobin function, only in the filesystem.ts version. Also supports loading a segment of a hex file for isolated tests. Test-bot: skip
64 lines
2.2 KiB
JavaScript
64 lines
2.2 KiB
JavaScript
#!/usr/bin/env node
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/*
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* Keyman is copyright (C) SIL Global. MIT License.
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*
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* hextobin - a tool to convert a structured hex text file format into a binary file.
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* This is the command line wrapper.
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*/
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import { Command } from 'commander';
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import { hextobinFromFile } from './filesystem.js';
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let inputFilename: string = "";
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let outputFilename: string = "";
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const program = new Command();
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program
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.description(
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`Will convert the input file which is a hex dump to the output file. Hex dump can contain
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blank lines, offsets, commands and comments. File writing will start at zero, padding is
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not currently supported.
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Format:
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# This is a comment
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block(name) # each part of file must be defined as a block
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11 22 33 44 55 aa bb # inserts hex bytes
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offset(block) # inserts 4 byte offset of block from BOF
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sizeof(block[,divisor]) # inserts 4 byte size of block, optionally divided by divisor
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diff(block1,block2[,divisor]) # inserts 4 byte offset diff between start of block1 and block2, ÷divisor (default: ÷1)
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index(block1,block2[,divisor]) # inserts 4 byte index diff between block1 and block2,
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# optionally divided by divisor
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# block names are required, but if not referenced can be reused (e.g. block(x))
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# Spaces after commas aren't allowed: 'sizeof(block,3)' not 'sizeof(block, 3)'
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`
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)
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.arguments('<infile>')
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.arguments('<outfile>')
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.action((infile:any, outfile:any) => { inputFilename = infile; outputFilename = outfile; });
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program.parse(process.argv);
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if(!inputFilename || !outputFilename) {
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exitDueToUsageError('Must provide an input and output filename.');
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}
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function exitDueToUsageError(message: string): never {
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console.error(`${program._name}: ${message}`);
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console.error();
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program.outputHelp();
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return process.exit(64); // SysExits.EX_USAGE
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}
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try {
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if(hextobinFromFile(inputFilename, outputFilename, { silent: false })) {
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process.exit(0); // OK
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} else {
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console.error(`${program._name}: Failed.`);
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process.exit(1); // no buffer - some err.
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}
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} catch(err) {
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console.error(err);
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console.error(`${program._name}: Failed.`);
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process.exit(1);
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}
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